1 2001-05-18 Bernd Schmidt <bernds@redhat.com>
4 2001-02-09 Nick Clifton <nickc@redhat.com>
5 * config/arm/arm.md: Change output constraint on post inc
6 load/store multiple patterns to be a read/write constraint.
8 2001-05-18 Mark Mitchell <mark@codesourcery.com>
10 * function.c (expand_function_start): Avoid creating BLKmode
13 2001-05-17 Mark Mitchell <mark@codesourcery.com>
15 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
16 DIE, even if it has no children.
17 (dwarf2out_finish): Always output the line-number table, even if
20 2001-05-18 David Edelsohn <edelsohn@gnu.org>
22 * rs6000.md (movsfcc,movdfcc): Remove NE case.
24 2001-05-17 Bruce Korb <bkorb@gnu.org>
26 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
27 * fixinc/genfixes: emit a warning if AutoGen is out of date
29 2001-05-17 Brendan Conoboy <blc@cygnus.com>
30 Bruce Korb <bkorb@gnu.org>
32 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
33 found in fixinc directory. Facilitates binary distributions.
35 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
37 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
40 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
42 * dwarf2out.c (modified_type_die): Equate qualified type to die.
44 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
46 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
47 (simplify_subreg): Handle complex types represented as CONCAT.
49 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
50 * rtl.h (swap_commutative_operands_p): Declare.
51 * rtlanal.c (swap_commutative_operands_p): New.
52 (operand_preference): New static function.
54 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
55 (gen_binary): Likewise.
56 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
57 * simplify-rtx.c (simplify_gen_binary,
58 simplify_gen_relational): Likewise.
60 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
62 * cse.c (fold_rtx): Use simplify_subreg.
64 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
65 (simplify_gen_subreg): New.
66 (simplify_rtx): Use simplify_subreg.
67 * rtl.h (simplify_gen_subreg): Declare.
69 2001-05-17 Mark Mitchell <mark@codesourcery.com>
71 * doc/install.texi: Update Solaris information.
73 * except.h (protect_cleanup_actions): Remove it.
74 (lang_protect_cleanup_actions): Declare it.
75 * except.c (protect_cleanup_actions): Remove it.
76 (lang_protect_cleanup_actions): New variable.
77 (init_eh): Don't make protect_cleanup_actions a GC root.
78 (expand_eh_region_and_cleanup): Call
79 lang_protect_cleanup_actions.
80 (output_function_exception_table): Remove unused `align'
82 * varasm.c (assemble_external): Abort if we have not yet
83 opened the assembly output file.
85 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
87 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
88 for eh_personality_libfunc.
90 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
92 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
93 when calling simplify_subreg. This is needed to allow replacing
94 of expression of one mode by expression of different mode.
96 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
98 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
100 2001-05-17 Bernd Schmidt <bernds@redhat.com>
102 * expr.c (protect_from_queue): Protect against subsequent calls to
104 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
107 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
109 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
111 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
113 * gccbug.in (CATEGORIES): Add "bootstrap".
115 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
117 * simplify-rtx.c (simplify_subreg): Break out from ...
118 * combine.c (combine_splify_rtx) ... here and ...
119 * recog.c (validate_replace_rtx_1): ... here;
120 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
121 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
122 (subreg_lowpart_p): ... here.
124 2001-05-17 Bernd Schmidt <bernds@redhat.com>
126 * stmt.c (expand_asm_operands): For inout operands, make sure
127 the substitution of '=' for '+' makes it into the rtl.
129 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
130 (reload_as_needed): Call update_eliminable_offsets a bit later.
132 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
134 * gcc.texi (gccbug): Refer to the web pages for detailed information
137 2001-05-16 Zack Weinberg <zackw@stanford.edu>
139 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
141 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
142 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
143 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
144 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
145 * cross-make: Don't set LIBGCC1.
146 * mklibgcc.in: Delete all code for building from libgcc1.c.
147 Always honor LIB1ASMFUNCS if set.
149 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
150 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
151 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
152 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
153 config/i386/uwin.asm, config/m68hc11/larith.asm,
154 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
155 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
156 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
157 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
158 Delete or update references to libgcc1 in commentary.
160 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
161 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
162 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
163 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
164 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
165 config/arm/t-semi, config/arm/t-strongarm-coff,
166 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
167 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
168 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
169 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
170 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
171 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
172 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
173 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
174 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
175 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
176 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
177 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
178 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
179 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
180 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
181 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
182 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
183 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
184 config/mips/t-ultrix, config/mn10200/t-mn10200,
185 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
186 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
187 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
188 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
189 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
190 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
191 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
192 config/sparc/t-sparclite, config/sparc/t-splet,
193 config/sparc/t-sunos41, config/sparc/t-vxsparc,
194 config/sparc/t-vxsparc64, config/v850/t-v850:
195 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
197 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
198 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
199 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
200 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
201 nongcc_SI_type, nongcc_word_type, or perform_*
202 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
204 * config/i386/386bsd.h, config/i386/beos-elf.h,
205 config/i386/linux-aout.h, config/i386/linux-oldld.h,
206 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
207 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
208 Don't include i386/perform.h.
210 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
211 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
212 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
213 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
214 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
215 config/vax/t-openbsd, config/vax/t-vax: Delete.
217 * config.gcc: Remove references to deleted files.
218 (arm-semi-aof): Use arm/t-semi for tmake_file.
220 * gcc.texi, install.texi, invoke.texi, tm.texi:
221 Delete or rewrite text which is no longer relevant now that
222 libgcc1 no longer exists.
224 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
225 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
227 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
228 Bruce Korb <bkorb@gnu.org>
230 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
233 2001-05-16 Zack Weinberg <zackw@stanford.edu>
235 * i386.md: Add two peepholes to clean up code generated by
238 2001-05-16 Richard Henderson <rth@redhat.com>
240 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
241 variants of non-absolute encodings.
243 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
245 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
246 __register_frame_info_table_bases): Export.
248 2001-05-16 Richard Henderson <rth@redhat.com>
250 * except.c (eh_data_format_name): Move to ...
251 * dwarf2asm.c: ... here. Use designated initializers if available.
252 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
253 * dwarf2asm.h: Update declarations.
254 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
255 ASM_PREFERRED_EH_DATA_FORMAT.
256 (output_call_frame_info): Likewise. Use 'L' augmentation for
259 * unwind-dw2-fde.h (struct fde_vector): New.
260 (struct old_object): Rename from struct object.
261 (struct object): New.
262 (__register_frame_info_bases): Declare.
263 (__register_frame_info_table_bases): Declare.
264 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
265 * unwind-dw2-fde.c (objects): Remove.
266 (unseen_objects, seen_objects): New.
267 (__register_frame_info_bases): New.
268 (__register_frame_info): Use it.
269 (__register_frame_info_table_bases): New.
270 (__register_frame_info_table): Use it.
271 (__deregister_frame_info): Rewrite for changed object struct.
272 (base_from_object, get_cie_encoding, get_fde_encoding): New.
273 (fde_unencoded_compare): Rename from fde_compare; uninline.
274 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
275 (start_fde_sort): Adjust for new definition of fde_vector.
276 (fde_insert): Likewise.
277 (end_fde_sort): Likewise. Select comparison function based
278 on properties of the object.
279 (fde_split): Take object and fde_compare_t arguments.
280 (frame_heapsort, fde_merge): Likewise.
281 (classify_object_over_fdes): Rename from count_fdes. Handle
282 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
284 (add_fdes): Handle encoded pointers.
285 (init_object): Rename from frame_init. Update for new struct object.
286 (linear_search_fdes): Rename from search_fdes. Handle encoded
288 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
289 (binary_search_single_encoding_fdes): New.
290 (binary_search_mixed_encoding_fdes): New.
291 (search_object): New.
292 (_Unwind_Find_FDE): Update for new struct object. Fill in
294 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
295 iterating over EH data.
296 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
297 fde_encoding, lsda_encoding.
298 (read_uleb128, read_sleb128): Remove.
299 (read_encoded_pointer): Remove. All callers use read_encoded_value.
300 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
301 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
303 * unwind-pe.h: Add "struct" to _Unwind_Context references.
305 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
307 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
308 * cpphash.c (_cpp_lookup_with_hash): Similarly.
309 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
310 cpp_spell_token, cpp_output_token): Similarly.
311 * cpplib.c (lex_macro_node, do_undef, do_pragma,
312 do_pragma_poison, parse_assertion, do_assert): Similarly.
313 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
314 save_parameter, _cpp_create_definition, check_trad_stringification,
315 cpp_macro_definition): Similarly.
316 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
317 * c-lex.c (cb_undef, c_lex): Similarly.
318 * fix-header.c (recognized_function): Similarly.
319 * cpplib.h (NODE_LEN, NODE_NAME): New.
320 (cpp_hashnode): Rename length len.
322 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
324 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
327 2001-05-16 Andreas Jaeger <aj@suse.de>
329 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
331 * toplev.c: Include dwarf2asm.h for prototype of
332 dw2_output_indirect_constants.
334 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
336 * stmt.c (expand_asm_operands): Be able to offload addressof
337 expression to memory. (PR optimization/185)
339 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
341 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
342 applying distributive law.
344 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
346 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
348 * gthr-dce.h (UNUSED): Attribute unused macro.
349 (__gthread_key_dtor): Make arguments UNUSED.
350 (__gthread_key_delete): Revise for compatibility with DRAFT4
353 2001-05-16 David Edelsohn <edelsohn@gnu.org>
355 * doc/install.texi: Update AIX information.
356 * README.RS6000: Remove obsolete file.
358 2001-05-16 Jakub Jelinek <jakub@redhat.com>
359 Nathan Sidwell <nathan@codesourcery.com>
361 * gcc.c (give_switch): Don't write before start of string.
362 Always append suffix.
364 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
366 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
369 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
371 * README.ALTOS: Remove obsolete file.
373 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
375 * c-lex.h (save_and_forget_protocol_qualifiers,
376 forget_protocol_qualifiers, remember_protocol_qualifiers):
377 Remove deleted functions' prototypes.
379 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
381 * c-parse.in (methodtype): New production.
382 (methoddef, methodproto): Collapse separate '-' and '+'
385 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
387 * c-common.h (RID_FIRST_PQ): New.
388 * c-parse.in (objc_pq_context): New.
389 (objc parser): Set objc_pq_context rather than calling
390 remember_protocol_qualifiers and forget_protocol_qualifiers.
391 Don't call save_and_forget_protocol_qualifiers.
392 (yylexname): Handle objc protocol qualifiers here.
393 * stringpool.c (struct str_header): Replace with sp_hashnode.
394 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
395 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
396 Allocate an IDENTIFIER_NODE for each identifier.
397 (FORALL_STRINGS, set_identifier): Delete.
398 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
399 (ggc_alloc_string): Use an obstack.
400 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
401 * tree.h: Update comments.
402 (set_identifier): Delete.
403 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
404 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
405 remember_protocol_qualifiers): Delete.
407 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
409 * flow.c (life_analysis): After life analysis is complete, do
410 an optional scan over insns looking for REG_LABEL notes that
411 reference a deleted label.
412 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
413 before peeking at LABEL_NUSES.
415 2001-05-15 Richard Henderson <rth@redhat.com>
417 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
418 (_Unwind_GetTextRelBase): New.
420 2001-05-15 Mark Mitchell <mark@codesourcery.com>
422 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
424 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
426 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
427 so that CHOOSE_SECTION gets used.
429 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
430 TARGET_RELOCATABLE like flag_pic for now.
432 2001-05-15 David Edelsohn <edelsohn@gnu.org>
434 * rs6000.md (movdi splitter): Sign extend more efficiently.
435 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
436 to "long long" valid on 32-bit and 64-bit hosts.
437 (logical_operand): Cast trunc_int_for_mode return value.
438 (rs6000_emit_move): Shift macro to encapsulate variable.
439 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
440 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
441 plus_constant requires signed argument.
443 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
445 * gthr-posix.h: Make additional pthread-* functions weak.
447 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
449 * recog.c (apply_change_group): Avoid unneeded validating.
451 2001-05-14 David Edelsohn <edelsohn@gnu.org>
453 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
454 (num_insns_constant): CONST_INT can be 64-bits.
456 2001-05-14 Stan Shebs <shebs@apple.com>
458 * config/darwin.h (LIB_SPEC): Just use -lSystem.
459 (LIBGCC_SPEC): Don't define.
461 2001-05-14 Richard Henderson <rth@redhat.com>
463 * configure.in (gcc_cv_as_eh_frame): New test.
464 * config.in, configure: Rebuild.
465 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
467 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
469 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
470 extended precision divide.
472 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
474 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
477 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
479 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
480 (CPP_CPU??_SIZE_TYPE): New.
481 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
482 (CPP_CPU_SPEC): ... here; support choosing of CPU.
483 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
484 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
486 * i386.c (override_options): Add sorry about not suported modes.
488 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
490 * config/pa/som.h (NM_FLAGS): Remove.
491 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
492 (ASM_OUTPUT_SECTION_NAME): Remove.
493 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
495 2001-05-14 Mark Mitchell <mark@codesourcery.com>
497 * regrename.c (regrename_optimize): Do not rename registers to
500 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
502 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
503 contain MEMs. Remove useless distinction about clobbering
506 2001-05-13 Geoff Keating <geoffk@redhat.com>
508 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
509 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
510 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
511 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
512 (EXCEPTION_SECTION): Define.
514 2001-05-13 Zack Weinberg <zackw@stanford.edu>
516 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
517 binary backward compat only.
518 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
519 in LIB2FUNCS. Pass it to mklibgcc.
520 * mklibgcc.in: Handle LIB2FUNCS_ST.
522 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
524 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
526 * tm.texi (THREAD_MODEL_SPEC): Document it.
527 * gcc.c (main): Use it.
528 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
529 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
531 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
533 * rtl.h (SYMBOL_REF_WEAK): New macro.
534 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
535 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
536 * rtl.texi (SYMBOL_REF_WEAK): Document it.
537 * gcc.texi: Remove wrong description.
539 2001-05-13 Mark Mitchell <mark@codesourcery.com>
541 * Makefile.in (STAMP): New macro.
542 Replace all uses of `touch' with $(STAMP).
543 * fixinc/Makefile.in: Likewise.
545 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
547 * configure.in: ldopen is never in -lexc, so don't test for it.
548 Add test for exc_resume in -lexc for Ada.
549 * configure: Regenerated.
551 2001-05-12 Richard Henderson <rth@redhat.com>
553 * dwarf2asm.c (size_of_encoded_value): New function.
554 * dwarf2asm.h: Declare it.
555 * except.c (output_function_exception_table): Align the TType
556 array only as wide as the encoding.
558 2001-05-12 Zack Weinberg <zackw@stanford.edu>
560 * extend.texi: Document #pragma GCC java_exceptions.
562 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
564 * c-parse.in (bison parser, init_reswords): Remove uses of
566 * c-tree.h (doing_objc_thang): Remove.
568 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
570 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
571 about files not ending in newlines.
573 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
575 * dwarfout.c (dwarfout_init): Add cast.
576 * sched-deps.c (sched_analyze_insn): Remove unused vars.
577 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
579 * method.c (build_mangled_C99_name): Remove unused prototype.
581 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
583 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
585 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
587 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
588 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
590 2001-05-11 Richard Henderson <rth@redhat.com>
592 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
593 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
594 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
595 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
596 (dw2_output_indirect_constants): Prototype.
597 * dwarf2out.c (dwarf2out_begin_prologue): Generate
598 current_function_func_begin_label if we'll need it for EH. Exit
599 early for IA64_UNWIND_INFO.
600 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
601 (eh_data_format_name): Update for indirect references.
602 (output_function_exception_table): Care for IA64_UNWIND_INFO.
603 Handle ASM_PREFERRED_EH_DATA_FORMAT.
604 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
605 define HAVE_eh_return etc.
606 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
607 (final_end_function): Don't call output_function_exception_table.
608 * toplev.c (compile_file): Call dw2_output_indirect_constants.
609 (rest_of_compilation): Invoke output_function_exception_table
610 for ia64 before assemble_end_function.
611 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
612 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
614 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
615 * unwind.h: Declare them.
616 * libgcc-std.ver: Export them.
617 * unwind-pe.h: New file.
619 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
621 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
623 (find_fde_for_dso): Extract DT_PLTGOT.
624 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
625 the segment and gp as well.
626 * config/ia64/frame-ia64.c: Remove file.
627 * config/ia64/frame-ia64.h: Remove file.
628 * config/ia64/unwind-ia64.c: New file.
629 * config/ia64/unwind-ia64.h: New file.
630 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
631 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
632 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
633 (ASM_PREFERRED_EH_DATA_FORMAT): New.
634 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
635 (IA64_UNWIND_INFO): Re-enable.
636 (HANDLER_SECTION): Remove.
637 (EH_RETURN_DATA_REGNO): New.
638 * config/ia64/ia64.md (exception_receiver): Remove.
639 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
640 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
642 2001-05-11 Richard Henderson <rth@redhat.com>
644 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
645 calls and jumps to be bundled together.
646 (ia64_reorg): Emit a break after a noreturn call that ends
648 * config/ia64/ia64.md (break_f): New.
650 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
652 * c-lex.c (lex_charconst): Convert into a simple wrapper
653 around cpp_interpret_charconst, to which most of the code
655 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
656 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
657 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
658 (lex): Use cpp_interpret_charconst.
659 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
660 hex_digit_value): New functions.
661 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
662 * cpplib.h (cpp_interpret_charconst): New prototype.
663 * Makefile.in: Update.
665 2001-05-12 Dean Wakerley <dean@wakerley.com>
667 * doc/install.texi: New file. Converted to texinfo from the HTML
668 documentation in wwwdocs/htdocs/install.
670 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
672 * gcse.c (insert_insn_end_bb): Do not search for assignments to
673 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
675 * toplev.c (compile_file): Move comment for opening output
676 file to just before the code that opens the output file.
678 2001-05-11 Jakub Jelinek <jakub@redhat.com>
680 * regmove.c (regmove_optimize): Suppress the optimization for
681 unchanging destination register. Add comment above function.
683 2001-05-11 Zack Weinberg <zackw@stanford.edu>
685 * Makefile.in: Exterminate all references to assert.h.
686 * cross-make: Likewise.
688 * configure.in: Correct commentary.
689 * configure: Regenerate.
691 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
694 * config/t-freebsd, config/t-linux, config/t-linux-aout,
695 config/t-netbsd, config/t-rtems, config/x-linux,
696 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
697 No need to override INSTALL_ASSERT_H.
699 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
700 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
701 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
703 2001-05-11 Graham Stott <grahams@redhat.com>
705 * combine.c (simplify_comparison): Fix typo.
707 2001-05-11 Mark Mitchell <mark@codesourcery.com>
709 * loop.h (struct movables): Remove `num'.
710 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
711 Adjust call to strength_reduce.
712 (num_unmoved_movables): New function.
713 (move_movables): Don't set movables->num.
714 (strength_reduce): Compute the number of instructions in the loop
715 here, rather than in the caller.
716 (check_dbra_loop): Always clear reversible_mem_store if there
718 (loop_regs_scan): Don't count instructions here.
719 (count_insn_in_loop): New function.
721 2001-05-11 Mark Mitchell <mark@codesourcery.com>
723 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
725 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
727 * c-common.c (finish_label_expr): New function, lifted from
729 * c-common.h (finish_label_expr, lookup_label): New prototypes.
730 * c-parse.in: Move 3 blocks of parser code into new functions.
731 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
732 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
733 (lookup_label): Remove.
735 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
737 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
738 FLOAT_BIT_ORDER_MISMATCH.
740 2001-05-10 David Edelsohn <edelsohn@gnu.org>
742 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
743 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
745 2001-05-10 David Edelsohn <edelsohn@gnu.org>
747 * expr.c (emit_group_load): extract_bit_field requires a REG or
750 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
752 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
753 a computed jump into an unconditional jump.
754 In second hunk of code for collapsing computed and conditional jumps
755 into unconditional jumps, reemit the jump in additional cases.
757 * jump.c (jump_optimize_1): Do not wrap the new jump target
758 inside a LABEL_REF; gen_jump will do that automatically.
760 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
762 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
763 contents for a SYMBOL_REF in case of floating point constants.
765 2001-05-10 DJ Delorie <dj@redhat.com>
767 * c-common.c (combine_strings): Widen strings in a
768 host-endian-independent way.
770 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
772 * c-parse.in: Remove many shift/reduce conflicts. Update
774 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
775 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
776 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
777 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
778 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
779 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
780 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
781 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
782 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
783 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
784 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
785 typespec_reserved_nonattr, typespec_reserved_attr,
786 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
787 structsp_nonattr, components_notype, component_notype_declarator,
788 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
789 firstparm, setspecs_fp): New
790 (typed_declspecs, reserved_declspecs, typed_typespecs,
791 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
792 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
793 declmods_no_prefix_attr, nonempty_type_quals, structsp,
794 type_quals): Remove. Users updated.
795 (initdecls, notype_initdecls, after_type_declarator,
796 parm_declarator, notype_declarator, absdcl1, components, ivars):
797 Don't allow attributes at the start of a declarator; include them
798 in the production containing the declarator instead. Always
799 require type specifiers before trying to redeclare a typedef name.
800 (typename): Allow for attributes but warn that they are ignored.
801 (parmlist, firstparm, setspecs_fp): Include attributes in
802 parmlist; suck them off the parser stack in firstparm using
805 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
807 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
808 to determine if a block has an unconditional jump at its end.
810 * jump.c (jump_optimize_1): When converting a conditional jump
811 to an unconditional jump, build the jump using gen_jump instead
812 of just modify operands in-place.
814 2001-05-09 Zack Weinberg <zackw@stanford.edu>
816 * cppinit.c (cpp_post_options): Shut off macro expansion if
818 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
819 IN_I directives only if the # is in column 1 and the directive
820 name begins in column 2.
821 * cppmain.c (scan_buffer): Insert a space between # and an
822 identifier, when that identifier is a directive name.
824 * tradcpp.c (struct file_buf): Add a pointer to the next entry
825 in the header search path.
826 (enum node_type): Add T_INCLUDE_NEXT.
827 (directive_table): Add entry for include_next.
828 (do_include_next): New function.
829 (process_include): New routine, broken out of do_include.
830 (finclude): Insert 'nhd' argument, to be copied into
831 next_header_dir of the new buffer.
832 (main): Adjust to match.
833 * gsyslimits.h, limity.h: Un-indent #include_next.
835 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
837 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
838 inclusion as a chapter of the GCC manual.
839 * gcc.texi: Include objc.texi.
840 * fdl.texi: Use @unnumberedsec for the addendum.
841 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
843 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
845 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
847 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
849 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
850 handling of two-address insns.
852 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
854 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
855 ../binutils/nm-new instead of ../binutils/nm.
857 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
859 * i386.md (movdi splitter): Fix the splitting condition
860 (float_extenddftf splitter): Fix mode.
862 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
864 * genrecog.c (write_switch): Avoid outputting of switch for
865 types wider than int.
867 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
869 * reload1.c (copy_eh_notes): New function.
870 (emit_input_reload_insns): Call it.
871 (emit_output_reload_insns): Call it.
873 2001-05-07 Zack Weinberg <zackw@stanford.edu>
875 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
877 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
878 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
880 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
882 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
884 * pa.md (interspace_jump): Revise comment.
885 (builtin_longjmp): Block initial setup insns from delay slot of
887 (builtin_setjmp_receiver): New expander to save and restore PIC
890 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
892 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
894 * toplev.c (compile_file): Set up the output file before we call
895 the various initializers for the compiler.
897 * except.c (sjlj_mark_call_sites): Do not search for assignments to
898 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
900 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
901 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
903 2001-05-06 Zack Weinberg <zackw@stanford.edu>
905 * Makefile.in (tradcpp0): Correct typo in dependency list.
907 2001-05-06 Geoff Keating <geoffk@redhat.com>
909 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
910 the link register if we're not going to use it.
912 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
913 (output_function_profiler): Likewise.
915 2001-05-07 Alan Modra <amodra@one.net.au>
917 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
919 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
921 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
922 zero-extend it. Make abs_inc unsigned.
924 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
925 widest mode in narrowing and widening operations.
927 * config/mips/mips.md: Sign extend CONST_INTs.
929 2001-05-06 Andreas Jaeger <aj@suse.de>
931 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
932 (i386 Options): Document -momit-leaf-frame-pointer.
934 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
936 * c-typeck.c (internal_build_compound_expr): Check for
937 array to pointer conversion just once.
939 2001-05-05 Richard Henderson <rth@redhat.com>
941 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
943 2001-05-05 Richard Henderson <rth@redhat.com>
945 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
946 to the parent of the fixup region.
948 2001-05-05 Jakub Jelinek <jakub@redhat.com>
950 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
952 * cpp.texi (__NO_INLINE): Document it.
954 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
956 * cppfiles.c (struct include_file): New member err_no.
957 (find_or_create_entry): Set it.
958 (open_file): Don't set fds to -2. Instead, use err_no to
959 remember previous errors, if any.
961 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
963 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
964 between X and Y by using sequences of xgdx and xgdy.
966 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
968 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
969 of '!' for the 'D' alternative ('!' is too strong).
970 ("*logicalsi3_silshl16"): Likewise.
971 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
972 ("movstrictsi"): Remove spurious '+'.
973 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
974 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
975 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
978 2001-05-04 David Edelsohn <edelsohn@gnu.org>
980 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
982 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
984 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
987 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
989 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
992 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
994 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
995 soft register, use ror instead of rol.
997 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
999 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1000 into account pre/post increment decrement for 68HC12.
1001 Fix other problems in replacement and fix call to reg_mentioned_p.
1003 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1005 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1006 Put the soft registers in bss for 68HC12.
1007 (L_regs_d3_4): New for _.d3 and _.d4.
1008 (L_regs_d5_6): Likewise.
1009 (L_regs_d1_2): Likewise.
1010 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1012 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1014 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1015 to the pre-processor when -fshort-double is specified.
1016 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1018 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1020 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1021 (__mulsi3): Rewrite for 68HC12.
1022 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1023 Mark 'x' constraint with earlyclobber to prevent a
1024 RELOAD_FOR_OTHER_ADDRESS to go in it.
1025 (mulhi3_m68hc12): New pattern.
1026 (mulhi3_m68hc11): Rename of mulhi3.
1027 (mulhi3): New expand for 68HC12 optimisation.
1028 (umulhisi3, mulhisi3): New patterns for 68HC12.
1030 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1032 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1033 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1034 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1036 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1038 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1039 constants cheap after reload.
1040 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1042 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1043 so that gcc prefers a shift by 16.
1044 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1046 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1048 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1050 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * alpha.h: NULL_PTR -> NULL.
1059 * i386.md: Likewise.
1062 * m68hc11.h: Likewise.
1063 * rs6000.h: Likewise.
1066 * sparc.h: Likewise.
1070 * final.c: Likewise.
1072 * recog.c: Likewise.
1074 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1076 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1077 `bool' parameter to `int'.
1079 * hash.c (hash_lookup): Likewise.
1081 * hash.h (hash_lookup): Likewise.
1083 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1085 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1087 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1089 2001-05-03 Geoff Keating <geoffk@redhat.com>
1091 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1092 -malign-loops, -malign-functions.
1093 * i386.c (ix86_align_funcs): Delete.
1094 (ix86_align_loops): Delete.
1095 (ix86_align_jumps): Delete.
1096 (override_options): Mark -malign-* as obsolete. Emulate their
1097 behaviour with the -falign-* options. Default -falign-* from
1098 the processor table.
1099 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1100 patch of Wed May 2 13:09:36 2001.
1101 (LOOP_ALIGN): Delete.
1102 (LOOP_ALIGN_MAX_SKIP): Delete.
1103 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1104 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1106 2001-05-04 Andreas Jaeger <aj@suse.de>
1108 * except.h: Add prototype declaration for
1109 expand_builtin_init_dwarf_reg_sizes.
1111 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1113 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1115 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1117 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1119 ("bitcmpqi2"): New pattern for bit-extract and test.
1120 ("bitcmphi"): New pattern for bitb/bita instructions.
1122 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1124 * gccbug.in: Use a temporary directory when the mktemp command is
1127 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1129 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1131 (INITIALIZE_TRAMPOLINE): Call it.
1132 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1133 (TRAMPOLINE_TEMPLATE): Remove.
1134 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1135 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1138 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1140 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1141 and crtendS.o with PIC.
1143 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1145 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1147 (___subdi3, ___adddi3): Use x instead of y as index register.
1148 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1149 (__memset, __memcpy): Likewise.
1150 (regs): Put the soft registers in bss for 68HC12.
1151 (abort): Use trap to abort for 68hc12.
1152 (__mulhi3, __mulhi32): Use emul for 68hc12.
1153 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1155 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1157 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1158 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1159 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1160 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1161 Set 68HC12 min offset to -65536.
1162 (print_operand): Put parenthesis arround the operand if it refers
1163 to a symbol having the same name as a register.
1164 (m68hc11_z_replacement): When z register is replaced by its
1165 equivalent soft register, force the insn to be re-recognized.
1166 (m68hc11_check_z_replacement): Fix the test when destination is
1167 the index register and z dies in the insn.
1168 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1170 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1172 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1173 costs according to processor variant.
1174 (m68hc11_shift_cost): New function to compute shift costs.
1175 (m68hc11_rtx_costs): Define costs according to processor variant.
1176 (m6811_cost): Costs for 68HC11.
1177 (m6812_cost): Costs for 68HC12.
1178 (COSTS_N_INSNS): Remove.
1180 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1181 (DEFAULT_RTX_COSTS): Remove.
1182 (CONST_COSTS): Define costs according to OUTER_CODE.
1183 (processor_costs): New struct to define costs.
1184 (m68hc11_cost): Pointer to current costs.
1186 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1188 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1189 and use m68hc11_notice_keep_cc when using leax/leay.
1190 (addhi3 split): Reject split if the insn is handled by
1192 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1193 push must be handled in a special way if the source operand uses
1194 sp as index register.
1195 (m68hc11_notice_keep_cc): New function.
1196 (m68hc11_gen_movhi): Use it when an insn changes a register but
1198 (m68hc11_gen_movqi): Fix move for 68HC12.
1199 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1201 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1203 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1204 and don't pass operands[0] to emit_library_call_value.
1206 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1208 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1209 (zero_extendsi split): Simplify and use (zero_extendhi).
1210 (*addhi3): Remove 'w' constraint since stack pointer is handled
1212 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1213 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1214 (*ashrhi3_const): Fix shift by 7.
1215 (*lshrsi3_const16): Fix template.
1216 (call, call_value): Fix constraint and predicate.
1218 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1220 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1221 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1222 (CC_REGNUM): Likewise.
1223 (*unnamed splits): Use above constants instead of hard coded numbers.
1224 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1225 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1226 (*return_16bit, *unnamed peepholes): Likewise.
1228 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1230 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1231 rs6000/rs6000.h twice.
1233 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1235 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1236 (CPP_SPEC): Conditionally define MSDOS and GO32.
1237 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1238 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1240 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1242 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1244 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1246 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1248 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1249 * integrate.c (expand_inline_function): Use xcalloc to allocate
1251 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1254 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1256 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1259 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1261 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1262 linker if -mrelax is given.
1263 (TARGET_SWITCHES): Document -mrelax.
1265 Re-installed 2001-01-09's patch:
1266 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1267 if it's wider than long and the target's long is wider than the
1270 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1272 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1273 directly include rs6000/rs6000.h. Instead do it in tm.h.
1275 2001-05-02 Stan Shebs <shebs@apple.com>
1277 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1278 NSConstantString for NeXT-style runtimes.
1279 (STRING_OBJECT_GLOBAL_NAME): New macro.
1280 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1281 OCTI_STRING_CLASS_DECL.
1282 (constant_string_global_id): New macro.
1283 (string_class_decl): Ditto.
1284 (setup_string_decl): New function.
1285 (build_objc_string_object): Use it to build a NeXT runtime
1286 compatible string initializer.
1288 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1290 * tradcpp.c (do_define): Make sure we don't walk past limit.
1292 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1294 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1295 offsets if not REG_OK_STRICT.
1297 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1298 (INT_REG_OK_FOR_INDEX_P): Likewise.
1299 (INT_REG_OK_FOR_BASE_P): Likewise.
1300 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1301 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1302 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1303 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1304 REG_OK_FOR_BASE_P. Take an additional parameter.
1305 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1306 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1307 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1308 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1309 rs6000_legitimate_address() and use it.
1310 * config/rs6000/rs6000.c: Update all callers.
1311 (rs6000_legitimate_address): New function.
1313 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1315 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1316 special_constant conditional blocks together.
1318 2001-05-02 Dale Johannesen <dalej@apple.com>
1320 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1322 (STRICT_ARGUMENT_NAMING): Define.
1323 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1324 function_arg_partial_nregs, setup_incoming_varargs): Remove
1325 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1328 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1330 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1332 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1335 * expr.c (store_field): Do nothing except elaborate side-effects if
1338 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1340 * c-lex.c: NULL_PTR -> NULL.
1342 * emit-rtl.c: Likewise.
1344 * genpeep.c: Likewise.
1346 * mips-tdump.c: Likewise.
1347 * reload1.c: Likewise.
1348 * rtlanal.c: Likewise.
1350 * stor-layout.c: Likewise.
1351 * toplev.c: Likewise.
1353 2001-05-01 Per Bothner <per@bothner.com>
1355 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1356 call do_pending_stack_adjust before emiting label.
1358 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1360 * extend.texi: Fix typo.
1362 2001-05-01 Stan Shebs <shebs@apple.com>
1364 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1365 of UOBJC_MODULES_decl.
1366 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1367 (generate_descriptor_table): Ditto.
1368 (generate_protocols): Ditto.
1369 (generate_protocol_list): Ditto.
1370 (generate_classref_translation_entry): Ditto.
1372 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1374 * invoke.texi (Optimize Options): Add documentation for `--param
1375 max-delay-slot-insn-search' and `--param
1376 max-delay-slot-live-search' and reorder --param section.
1377 * params.def: Modify initial comment.
1378 * params.h (param_info): Add `help' member.
1379 * toplev.c (lang_independent_params): Include `help' description.
1380 (display_help): Print --param parameters.
1382 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1384 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1385 Remove references to deleted files.
1386 (*-*-openbsd): No need to override xmake_file.
1387 (*-*-sysv4): Treat like *-*-sysv.
1389 * configure.in: Probe for ldopen in various places, and set up
1390 collect2 to be linked with them if found.
1391 Don't dink with Windows registry stuff unless $host_os is a
1392 Win32 os name. Check to see if we need -ladvapi32.
1393 * configure: Regenerate.
1395 * Makefile: Get rid of CLIB and HOST_CLIB.
1396 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1397 * build-make: Get rid of HOST_CLIB.
1399 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1400 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1401 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1402 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1403 config/rs6000/x-rs6000: Delete.
1405 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1408 24 x-host fragments remain, 0 x-cpu, 3 top level.
1410 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1412 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1413 * configure: Regenerate.
1415 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1417 * Makefile.in (install-headers): Remove redundant dependency.
1419 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1421 * c-tree.texi (USING_STMT): Document.
1423 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1426 * c-common.c: Likewise.
1427 * c-decl.c: Likewise.
1428 * combine.c: Likewise.
1429 * rs6000.c: Likewise.
1430 * except.c: Likewise.
1431 * explow.c: Likewise.
1433 * fold-const.c: Likewise.
1434 * function.c: Likewise.
1437 * integrate.c: Likewise.
1439 * objc/objc-act.c: Likewise.
1440 * recog.c: Likewise.
1441 * reg-stack.c: Likewise.
1442 * reload.c: Likewise.
1443 * reload1.c: Likewise.
1444 * simplify-rtx.c: Likewise.
1446 * varasm.c: Likewise.
1448 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1450 * diagnostic.def: New file.
1451 * diagnostic.h (diagnostic_t): New enum.
1452 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1454 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1456 * tsystem.h: Test only POSIX for availability of string.h
1458 * config.gcc (all systems): If USG appeared in xm_defines,
1459 change it to POSIX. If both USG and POSIX appeared, just
1460 delete USG. Remove unnecessary quotes around xm_defines
1462 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1463 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1464 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1465 powerpc-*-linux*): No need to set xm_defines - handled by
1466 global settings for *-*-linux*.
1468 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1470 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1471 Always include gstab.h, not system stab.h. Don't provide
1472 default definitions of N_CATCH or N_OPT. Always use the
1473 gstab.h variant of STAB_CODE_TYPE.
1474 * final.c: Don't include stab.h/gstab.h at all, or provide
1475 defaults for N_SLINE and N_SOL.
1477 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1478 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1480 * sdbout.c: Always include gsyms.h instead of system syms.h.
1482 * configure.in: No need to check for stab.h.
1483 * configure, config.in: Regenerate.
1484 * Makefile.in (final.o): Don't depend on gstab.h.
1486 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1487 Richard Henderson <rth@redhat.com>
1489 * extend.texi: Improve documentation of volatile asms.
1491 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1493 * c-tree.texi: Fix thinko.
1494 * gcc.texi: Likewise.
1496 2001-04-30 Richard Henderson <rth@redhat.com>
1498 * c-common.c (c_promoting_integer_type_p): New function, from the
1499 corpse of old macro. Properly promote too-small enumerations and
1500 booleans. Adjust all callers.
1501 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1502 (c_promoting_integer_type_p): Declare.
1503 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1504 * c-typeck.c: Likewise.
1505 (default_conversion): Remove now redundant boolean check.
1507 2001-04-30 Jan Hubicka <jh@suse.cz>
1508 Richard Henderson <rth@redhat.com>
1510 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1512 (combine_stack_adjustments_for_block): Don't combine stack
1513 allocation followed by deallocations. Handle grow-up stacks.
1515 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1517 * fdl.texi: New file.
1518 * c-tree.texi: Use the GFDL.
1519 * gcc.texi: Likewise.
1521 2001-04-30 Stan Shebs <shebs@apple.com>
1523 * invoke.texi: Add a section documenting Objective-C options.
1525 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1527 * emit-rtl.c (try_split): Copy EH notes to sequence.
1529 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1531 * regmove.c (record_stack_memrefs): Catch all references to the
1534 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1536 * Makefile.in(stmp-fixinc): quote shell assignment values
1538 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1544 * prefix.c: Likewise.
1546 2001-04-28 Stan Shebs <shebs@apple.com>
1548 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1549 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1550 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1551 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1553 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1554 (NEXT_OBJC_RUNTIME): Define.
1556 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1558 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1559 * simplify-rtx.c (simplify_gen_relational): Likewise.
1561 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1563 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1564 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1566 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1567 registers in SSE case; fix handling of the immediates.
1568 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1569 operands to be in regsiters before reload.
1570 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1571 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1572 (abstf,absxf,negtf,negxf splitters): Compute
1573 properly the regnum for x86_64.
1574 (avsdf2_if_rex64): New.
1576 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1578 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1579 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1580 into the constant pool.
1581 * jump.c (jump_optimize_1): Remove barrier successors after all
1582 the LABEL_NUSES counds have been computed.
1583 (delete_barrier_successors): When deleting a tablejump insn, also
1584 delete the jump table it uses.
1585 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1588 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1590 * pa.c (FRP): Remove erroneous white space in macro definition.
1592 2001-04-28 Andreas Jaeger <aj@suse.de>
1594 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1596 * extend.texi: Likewise.
1597 * tm.texi: Likewise.
1599 2001-04-28 Andreas Jaeger <aj@suse.de>
1601 * md.texi: Use XX-bit instead of XXbit or XX bit where
1604 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1606 * gcc.c (process_command): Allow -l lib in addition to -llib
1607 for POSIX compliance. This fixes PR c/2347.
1609 * invoke.texi: Update section on Link Options accordingly.
1611 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1613 * function.c (purge_addressof_1): Remove the duplicate
1614 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1617 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1619 * except.c (expand_eh_region_start): Don't start a new block.
1620 (expand_eh_region_end): Don't end a block.
1621 * stmt.c (expand_end_bindings): Don't end EH blocks.
1622 (expand_decl_cleanup): Starting an EH region won't change the block.
1623 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1624 (is_eh_region): Lose.
1627 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1629 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1631 * collect2.c (main): Add `-L' case to remove duplicate entries.
1632 (is_in_args): New function to check for a duplicate argument.
1633 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1634 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1635 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1636 Define to be nonzero.
1638 2001-04-27 Andreas Jaeger <aj@suse.de>
1639 Richard Henderson <rth@redhat.com>
1641 * md.texi (Machine Constraints): Document additional i386
1642 constraints and fix description of "A".
1644 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1646 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1648 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1650 * except.c (get_exception_filter): word_mode, not Pmode.
1652 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1654 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1655 common to other movsf patterns. Move up so that in future
1656 people who change the other patterns will change it too.
1657 (movsf_lo_sum): Allow even for soft-float; add appropriate
1659 (movsf_high): Likewise.
1660 (movsf_high+1): Allow even for soft-float.
1662 * function.c (expand_function_end): Always clobber the
1663 return registers, even if there is no return label.
1665 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1667 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1669 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1671 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1672 (pushqi2_rex64, pushhi2_rex64): Add.
1674 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1676 * except.c (expand_eh_region_end_cleanup): Force pending stack
1677 adjust before emitting label that branches around cleanup code.
1679 2001-04-26 H.J. Lu (hjl@gnu.org)
1681 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1683 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1685 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1686 (ASM_OUTPUT_SECTION_NAME): Likewise.
1687 (ASM_WEAKEN_LABEL): Likewise.
1688 (UNIQUE_SECTION): Likewise.
1689 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1690 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1691 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1692 (ASM_OUTPUT_SECTION_NAME): Likewise.
1693 (ASM_WEAKEN_LABEL): Likewise.
1694 (UNIQUE_SECTION): Likewise.
1695 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1696 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1697 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1698 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1699 (ASM_FILE_START): Likewise.
1700 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1701 (ASM_DECLARE_OBJECT_NAME): Likewise.
1702 (ASM_FILE_END): Likewise.
1703 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1704 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1705 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1706 (ASM_OUTPUT_CASE_LABEL): Likewise.
1707 (ASM_OUTPUT_SKIP): Likewise.
1708 (ASM_OUTPUT_ASCII): Likewise.
1709 (ASM_OUTPUT_IDENT): Likewise.
1710 (READONLY_DATA_SECTION): Likewise.
1711 (EXTRA_SECTIONS): Likewise.
1712 (EXTRA_SECTION_FUNCTIONS): Likewise.
1713 (SELECT_RTX_SECTION): Likewise.
1714 (SELECT_SECTION): Likewise.
1716 * config/mips/linux.h (INVOKE__main): Undefine.
1717 (CTOR_LIST_BEGIN): Likewise.
1718 (CTOR_LIST_END): Likewise.
1719 (DTOR_LIST_BEGIN): Likewise.
1720 (DTOR_LIST_END): Likewise.
1721 (SET_ASM_OP): Defined it to ".dummy".
1722 (ASM_OUTPUT_DEF): Defined.
1723 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1725 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1727 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1728 assembler supports .p2align.
1730 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1732 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1734 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1736 * integrate.c (expand_inline_function): Check for error_mark_node
1739 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1741 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1744 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1746 * configure.in (configargs.h): Define thread_model.
1747 * configure: Rebuilt.
1748 * gcc.c (main): Print it with -v.
1750 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1752 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1753 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1754 * gcc.1: Regenerate.
1756 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1758 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1759 is_redundant_typedef): Use static inline instead of inline static.
1761 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1763 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1764 this directory is always searched.
1766 2001-04-25 Richard Henderson <rth@redhat.com>
1768 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1769 of registers to restore along non eh_return path.
1771 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1773 * c-format.c (check_format_info_recurse): Handle
1774 PLUS_EXPR for format string.
1776 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1778 * config/ia64/ia64.h (CC1_SPEC): Define.
1779 * config/ia64/linux.h (CC1_SPEC): Define.
1781 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1783 * emit-rtl.c (constant_subword): Also do sign extension in
1784 BITS_PER_WORD == 16 case.
1786 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1788 * loop.c (try_swap_copy_prop): Go back to checking insn.
1790 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1792 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1793 if check_mode is non-zero.
1795 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1797 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1798 out and comparison sequence has been detected, put result into
1799 proper temporary pseudo.
1801 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1803 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1804 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1805 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1806 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1807 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1808 for future reference.
1810 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1812 * except.c (reachable_handlers): Step out one level from a RESX.
1814 * except.c (struct eh_region): Rename 'last' to 'resume'.
1815 (mark_eh_region, duplicate_eh_region_1): Adjust.
1816 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1817 (build_post_landing_pads): Likewise.
1818 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1819 (expand_eh_region_end_must_not_throw): Likewise.
1820 (connect_post_landing_pads): Thread (only) regions with non-deleted
1823 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1824 registers around the cleanup.
1825 (get_exception_filter): New fn.
1826 (finish_eh_generation): Use it.
1828 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1830 * c-semantics.c (add_scope_stmt): Don't call
1831 current_scope_stmt_stack multiple times.
1833 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1834 Nathan Sidwell <nathan@codesourcery.com>
1836 Lazy __FUNCTION__ generation.
1837 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1838 RID_C99_FUNCTION_NAME): New _RIDs.
1839 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1840 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1841 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1843 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1844 (c99_function_name_decl_node, function_name_decl_node,
1845 pretty_function_name_decl_node, saved_function_name_decls):
1847 (struct language_function): Remove x_function_name_declared_p.
1848 (make_fname_decl): Remove a parameter.
1849 (declare_function_names): Remove prototype.
1850 (start_fname_decls, finish_fname_decls): Prototype.
1851 (fname_as_string): Likewise.
1852 (fname_string, fname_decl): Likewise.
1853 * c-common.c (make_fname_decl): Adjust.
1854 (struct fname_var_t): New struct.
1855 (fname_vars): New static array.
1856 (declare_function_name): Remove.
1857 (start_fname_decls, finish_fname_decls): New functions.
1858 (fname_as_string): New function from remnants of
1859 declare_function_name.
1860 (fname_string, fname_decl): New functions.
1862 * c-decl.c (c_function_name_declared_p): Remove.
1863 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1864 don't call declare_function_name. Call start_fname_decls.
1865 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1866 clobber the line number. Call finish_decl.
1867 (start_function): Call start_fname_decls.
1868 (finish_function): Call finish_fname_decls.
1869 Remove c_function_name_declared_p.
1870 (push_c_function_context): Don't push c_function_name_declared_p.
1871 (pop_c_function_context): Don't pop c_function_name_declared_p.
1872 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1873 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1874 (program): Call finish_fname_decls for C.
1875 (primary): Add VAR_FUNC_NAME.
1876 (reswords): Add slots for __FUNCTION__ et al.
1877 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1878 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1879 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1880 * c-semantics.c (prune_unused_decls): Remove.
1881 (finish_stmt_tree): Don't call prune_unused_decls.
1882 (genrtl_decl_stmt): Don't prune unused decls here.
1884 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1886 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1887 constant pool, use the pool's SYMBOL_REF instead.
1889 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1892 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1894 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1895 passing nested NOP_EXPRs to fold.
1897 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1899 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1901 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1903 * loop.c (loop_delete_insns): Add prototype.
1905 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1907 * configure.in: Remove ENABLE_STD_NAMESPACE.
1908 * config.in: Regenerated.
1909 * configure: Regenerated.
1911 2001-04-22 Stan Shebs <shebs@apple.com>
1913 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1915 * config/rs6000/xm-darwin.h: Remove file.
1917 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1919 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1920 (write_c_file_stat): Likewise.
1922 * dbxout.c (dbxout_init): Likewise.
1924 * profile.c (output_func_start_profiler): Likewise.
1926 2001-04-22 Philipp Thomas <pthomas@suse.de>
1928 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1929 require it instead of the CVS version.
1930 * cpperror.c (v_message): Put a blank before the macro
1931 body to not confuse exgettext.
1933 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1935 * flow.c (proagate_one_insn): Remove useless assignment.
1936 * jump.c (delete_insn): Tidy.
1937 * loop.c (try_copy_prop): When deleting an instruction with a
1938 REG_RETVAL note, delete the entire libcall sequence.
1939 (loop_delete_insns): New function.
1940 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1941 we're not substituting into them yet.
1943 2001-04-21 Kazu Hirata <kazu@hxi.com>
1945 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1947 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1949 * config/i960/i960.c (signed_arith_operand): Likewise.
1951 * calls.c (expand_call): Fix a comment typo.
1953 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1955 * configure.in: Probe for times, clock, struct tms, and clock_t.
1956 * configure, config.in: Regenerate.
1957 * timevar.c: Replace ifdef forest in get_time with (relatively)
1958 straightforward series of checks based on autoconf's probes.
1960 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1962 * config/pa/som.h (NM_FLAGS): Define.
1964 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1966 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1968 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1969 * ia64.c (nop_cycles_until): New function.
1970 (prev_cycle, prev_first, last_issued): New static variables.
1971 (ia64_sched_reorder): Additional arg for clock.
1972 On final scheduling pass, emit extra NOPs as needed.
1973 Set prev_first and prev_cycle.
1974 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1975 (ia64_variable_issue): Set last_issued.
1977 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1979 * config/i386/i386.c (ix86_expand_int_movcc,
1980 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1982 2001-04-20 Geoff Keating <geoffk@redhat.com>
1984 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1985 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1986 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1987 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1988 ctrdi_internal6): In the short-branch case, this insn is only 4
1989 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1991 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1993 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1994 "=u" is used together with "st" resp. "st(1)" clobber.
1996 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1998 * gcse.c (gcse_main): Fix comment typo.
1999 (delete_null_pointer_check): Likewise.
2000 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2001 * cse.c (cse_insn): Likewise.
2002 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2005 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2007 * toplev.c: Excise all code for the undocumented -dm option.
2008 (float_signal): Call signal just once, unconditionally.
2010 2001-04-19 Geoff Keating <geoffk@redhat.com>
2012 * fold-const.c (fold): Use first_rtl_op rather than
2013 TREE_CODE_LENGTH when looping over parameters of a tree.
2014 Correct strange grouping in test for evaluated SAVE_EXPR.
2016 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2018 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2019 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2021 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2022 name at 32 total characters.
2023 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2024 functions in named sections -- data items can still go into unique
2025 sections, but they have normal names (ie $LIT$ and $DATA$).
2027 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2030 2001-04-19 DJ Delorie <dj@redhat.com>
2032 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2033 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2034 * config/i386/cygwin.h: Likewise.
2035 * config/i386/mingw32.h: Likewise.
2036 * config/vax/vms.h: Likewise.
2037 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2039 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2040 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2041 * config/i386/xm-cygwin.h: Likewise.
2042 * config/i386/xm-djgpp.h: Likewise.
2043 * config/i386/xm-mingw32.h: Likewise.
2044 * config/vax/xm-vms.h: Likewise.
2046 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2047 instead of OBJECT_SUFFIX.
2048 * collect2.c (find_a_file): Look for files matching the extension
2049 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2050 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2051 TARGET_EXECUTABLE_SUFFIX.
2052 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2053 (make_relative_prefix): Likewise.
2054 (convert_filename): Use TARGET_ suffixes throughout. Remove
2056 (process_command): Likewise.
2057 (do_spec_1): Likewise.
2058 * java/lang.c (init_parse): Likewise.
2060 * gcc.texi : Document four new options matching the pattern
2061 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2062 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2063 documentation for NO_AUTO_EXE_SUFFIX.
2065 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2067 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2068 that language-independent processing should not be done.
2069 * toplev.c (main): Adjust accordingly.
2071 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2072 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2074 * mips.md (reload_outputdi): Require that operand0 be a
2077 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2079 * invoke.texi (-Wshadow): Clarify.
2081 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2083 * loop.c (load_mems): Examine all the instructions in the loop
2084 before concluding that all jumps branch to the first instruction
2087 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2089 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2091 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2093 * cpp.texi (-Wwhite-space): Remove.
2094 (-Wall): -Wall does not imply -Wwhite-space.
2096 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2098 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2099 use it instead of blindly generating a .stabs.
2100 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2102 * xcoffout.c: Don't bother defining default for N_CATCH.
2103 (UNKNOWN_STAB): Use internal_error.
2104 (stab_to_sclass): Remove now-unnecessary aborts.
2105 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2107 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2109 * jump.c (mark_all_labels): Canonicalize the tail recursion
2110 label attached to CALL_PLACEHOLDER insns.
2112 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2114 * output.h (dump_flow_info, free_basic_block_vars,
2115 which_alternative): Delete redundant prototypes.
2117 * rtl.h (bss_section): Likewise.
2119 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2121 * dbxout.c (N_OPT): Define if not available from <stab.h>
2123 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2125 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2126 libraries and native K&R compilers.
2128 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2130 * c-typeck.c (convert_arguments): Don't check for width changes
2133 * invoke.texi (-Wtraditional): Update documentation.
2135 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2137 * toplev.c (output_lang_identify): Delete.
2138 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2139 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2140 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2141 after calling ASM_FILE_END.
2143 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2144 Instead, unconditionally emit an N_OPT stab with string equal
2145 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2147 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2149 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2150 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2151 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2152 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2153 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2154 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2155 config/i370/i370.h, config/i386/beos-elf.h,
2156 config/i386/osf1elf.h, config/i386/osfrose.h,
2157 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2158 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2159 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2160 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2161 config/mips/iris6.h, config/mips/osfrose.h,
2162 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2163 config/sparc/sp64-elf.h:
2164 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2165 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2167 * config/elfos.h, config/freebsd.h, config/linux.h,
2168 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2169 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2170 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2171 of ASM_FILE_START which merely emit a .version directive. Delete
2172 definitions of ASM_FILE_END which merely emit an .ident directive.
2174 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2175 ASM_IDENTIFY_GCC and move part of its logic into
2178 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2179 config/sparc/linux-aout.h: Don't emit .version directive in
2182 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2183 (output_file_start): Correct comment.
2185 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2186 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2188 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2189 * config/rs6000/aix.h: Correct comment.
2191 * config/i386/i386afe.h: Delete.
2192 * config.gcc: Remove references to i386afe.h.
2194 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2195 other macros deleted by this patch were undocumented.
2197 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2199 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2201 * pa.c (secondary_reload_class): SAR<->FP copies require a
2204 * install.texi (mips-mips-bsd): Update list of functions
2205 required to include memmove.
2206 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2207 used functions to include memmove.
2209 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2211 * i386.md (sqrtdf2): SFmode should be DFmode.
2213 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2215 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2216 (find_moveable_store): Likewise.
2218 2001-04-15 Jim Wilson <wilson@redhat.com>
2220 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2222 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2224 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2225 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2227 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2229 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2232 2001-04-14 Alan Modra <amodra@one.net.au>
2234 * pa.c (force_mode): New function.
2235 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2237 2001-04-13 Jim Wilson <wilson@redhat.com>
2239 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2240 (first_instruction): New static variable.
2241 (rtx_needs_barrier): Return 1 for alloc.
2242 (init_insn_group_barriers): Set first_instruction.
2243 (rws_sum): Delete duplicate definition.
2244 (group_barrier_needed_p): Return 0 when first_instruction true.
2245 (safe_group_barrier_needed_p): Save and restore first_instruction
2246 around group_barrier_needed_p call.
2248 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2250 * expr.h (enum libfunc_index): Add LTI_memmove.
2251 (memmove_libfunc): Define macro.
2252 * optabs.c (init_optabs): Initialize memmove_libfunc.
2253 * expr.c (expand_assignment): Use memmove_libfunc instead of
2256 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2258 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2261 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * Makefile.in (reg-stack.o): Depend on reload.h.
2264 (insn-attrtab.o): Depend on flags.h.
2266 * genattrtab (main): Include flags.h in insn-attrtab.c.
2268 * reg-stack.c: Include reload.h.
2270 * sparc.h (flag_pic): Delete redundant declaration.
2272 * output.h (flag_pic): Likewise.
2274 * tree.h (pedantic): Likewise.
2276 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2278 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2280 * jump.c, regmove.c, toplev.c: Include reload.h.
2282 * reload.h (reload_cse_regs): Declare.
2284 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2285 reload_cse_regs, init_reload, mark_home_live, reload,
2286 init_caller_save): Delete redundant prototypes.
2288 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2290 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2292 * regclass.c, ssa.c: Include expr.h.
2294 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2295 gen_move_insn): Delete redundant declarations.
2297 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2299 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2300 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2301 MAKEINFO and MAKEINFOFLAGS too.
2302 (stage4_build): Correctly order -B flags.
2304 2001-04-13 Alan Modra <amodra@one.net.au>
2306 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2307 PIC_OFFSET_TABLE_SAVE_RTX.
2308 (zdepi_cint_p): Describe zdepi insn.
2309 Formatting and white space fixes throughout file.
2311 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2312 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2313 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2314 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2315 (output_64bit_and): Use plain `int's for shift counts.
2316 (output_64bit_ior): Likewise.
2317 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2318 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2321 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2322 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2323 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2324 NEW_HP_ASSEMBLER into one. Kill warnings.
2326 * pa-gas.h: Delete file.
2327 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2328 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2329 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2330 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2332 * config/pa/mill32.S: New file.
2333 * config/pa/mill64.S: New file.
2334 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2335 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2336 * config/pa/t-linux64: New file.
2337 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2338 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2339 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2341 * elfos.h (SELECT_SECTION): Undef before defining.
2342 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2343 (LIB_SPEC): Remove -lmilli.
2344 (DBX_REGISTER_NUMBER): Remove.
2345 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2346 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2347 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2348 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2349 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2350 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2351 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2352 TARGET_GAS): Define.
2353 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2354 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2355 regs if we don't have a prototype.
2356 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2357 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2358 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2359 EH_RETURN_HANDLER_RTX): Define.
2360 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2361 (DWARF_FRAME_REGNUM): Define.
2362 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2363 * pa32-linux.h: New file.
2364 * pa64-linux.h: New file.
2366 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2367 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2368 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2369 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2370 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2371 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2372 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2373 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2374 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2375 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2376 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2377 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2378 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2379 * pa64-hpux.h: New file.
2380 (ASM_FILE_START): Correct typo.
2381 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2382 * config.gcc: Modify for above.
2384 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2386 * jump.c (jump_optimize_1): Don't delete dead stores here.
2387 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2388 prior to running jump optimize before cse2.
2390 2001-04-12 Richard Henderson <rth@redhat.com>
2392 * Makefile.in (regmove.o): Depend on except.h.
2393 * regmove.c: Include it.
2395 2001-04-12 Stan Shebs <shebs@apple.com>
2397 * objc/objc-act.c: Remove all code ifdefed with the never-used
2398 macro OBJC_INT_SELECTORS.
2399 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2400 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2402 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2404 * config/pa/quadlib.c: Add prototypes.
2406 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * bitmap.h (debug_bitmap): Delete redundant prototype.
2410 * rtl.h (get_frame_size): Likewise.
2412 2001-04-12 Jim Wilson <wilson@redhat.com>
2414 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2415 to just emit an fnorm.
2417 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * c-common.h (truthvalue_conversion, type_for_mode,
2420 type_for_size): Delete redundant declarations.
2422 * c-lex.h (is_class_name): Likewise.
2424 * c-tree.h (pedantic, convert, getdecls, gettags,
2425 global_bindings_p, init_decl_processing, insert_block,
2426 maybe_build_cleanup, poplevel, print_lang_decl,
2427 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2428 set_block, incomplete_type_error, build_function_call,
2429 lvalue_or_else, mark_addressable): Likewise.
2431 * expr.h (expand_tree_builtin): Likewise.
2433 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2435 * invoke.texi: Document --param max-gcse-memory.
2437 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * configure.in (errno): Check for declaration.
2440 * configure, config.in: Regenerated.
2442 * system.h (errno): Only declare if not already done.
2444 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2446 * recog.c (general_operand, immediate_operand,
2447 nonmemory_operand): Require CONST_INTs to be sign-extended
2448 values for their modes.
2450 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2452 * expmed.c (store_bit_field): Truncate CONST_INTs.
2453 (expand_mult_highpart, expand_divmod): Likewise.
2454 * expr.c (convert_modes, store_field): Likewise.
2455 * integrate.c (expand_inline_function): Use promote_mode() to
2456 determine whether to convert_modes() an argument as signed
2458 * optabs.c (expand_binop): Get CONST_INT operands
2459 sign-extended for their appropriate modes.
2460 * stmt.c (emit_case_nodes): Convert node values to the
2462 (expand_end_case): Convert minval and range to the appropriate
2464 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2465 the iteration variable.
2466 * varasm.c (immed_double_const): Don't require words to be
2467 narrower than host wide ints to properly sign-extend
2470 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2472 * sh.md (builtin_setjmp_receiver): New expander.
2474 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2476 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2477 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2478 for generating CONST_INT and CONST_DOUBLE.
2480 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2482 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2483 already sign-extended.
2484 (rs6000_emit_prologue): Make register iterator signed.
2485 (rs6000_emit_epilogue): Likewise.
2486 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2488 (movsf split, movdf split): Sign-extend CONST_INTs.
2489 (movdi splits): Likewise.
2491 2001-04-12 Kelley Cook <kelley.cook@home.com>
2493 * config-lang.in (lang_dirs): Add in zlib.
2495 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2497 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2498 operands that make it to RTL.
2500 2001-04-11 Stan Shebs <shebs@apple.com>
2502 Add Darwin (Mac OS X kernel) native support.
2503 * config.gcc (powerpc-*-darwin*): Add native bits.
2504 * config/darwin.c: New file, generic Darwin support functions.
2505 * config/darwin.h: New file, generic Darwin definitions.
2506 * config/darwin-protos.h: New file, generic Darwin prototypes.
2507 * rs6000/darwin.h: New file, Darwin for PowerPC.
2508 * rs6000/t-darwin: New file, Darwin makefile fragment.
2509 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2510 (TARGET_MACHO): Ditto.
2511 (rs6000_abi): Add ABI_DARWIN.
2512 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2513 (RS6000_SAVE_AREA): Ditto.
2514 (FP_ARG_MAX_REG): Ditto.
2515 (RETURN_ADDRESS_OFFSET): Ditto.
2516 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2518 (rs6000_emit_move): Add ABI_DARWIN cases.
2519 (print_operand): Ditto.
2520 (first_reg_to_save): Ditto.
2521 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2522 (debug_stack_info): Ditto.
2523 (rs6000_emit_prologue): Ditto.
2524 (rs6000_emit_epilogue): Ditto.
2525 (output_profiler_hook): Ditto.
2526 (output_function_profiler): Ditto.
2527 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2528 (output_mi_thunk): Add TARGET_MACHO case.
2529 (add_compiler_stub): Ditto.
2530 (output_compiler_stub): Ditto.
2531 (no_previous_def): Ditto.
2532 (output_call): Ditto.
2533 (machopic_output_stub): Ditto.
2534 (rs6000_machopic_legitimize_pic_address): Ditto.
2535 (toc_section): Ditto.
2536 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2537 (macho_high): Ditto.
2540 (load_macho_picbase): Ditto.
2541 (call): Add TARGET_MACHO case to modify function.
2542 (call_value): Ditto.
2543 (call_nonlocal_sysv): Add ABI_DARWIN case.
2544 (call_value_nonlocal_sysv): Ditto.
2545 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2547 (machopic_output_stub): Ditto.
2548 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2550 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2552 * dwarf2out.c (modified_type_die): Don't create new types here.
2553 * tree.h (get_qualified_type): New function.
2554 (build_qualified_type): Adjust comment.
2555 * tree.c (get_qualified_type): New function.
2556 (build_qualified_type): Use it.
2558 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2560 * cpp.texi (-Wtraditional): Update description.
2562 * invoke.texi (-Wtraditional): Likewise.
2564 2001-04-11 Jim Wilson <wilson@redhat.com>
2566 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2567 requires more than 64 bits of alignment.
2569 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2571 * cpplib.c (do_line): Sanity check iff enable checking.
2573 2001-04-11 Richard Henderson <rth@redhat.com>
2575 * Makefile.in (insn-recog.o): Depend on toplev.h.
2576 (insn-emit.o, doloop.o): Likewise.
2577 * genrecog.c, genemit.c: Include toplev.h in generated file.
2578 * doloop.c: Include toplev.h.
2580 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2582 * Makefile.in (gcse.o): Depend on params.h.
2583 * gcse.c: Include params.h.
2584 (gcse_main): Don't do GCSE if doing so will take inordinate
2586 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2587 * params.h (MAX_GCSE_MEMORY): New macro.
2589 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2593 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2595 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2597 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2599 * real.h (ereal_atof, real_value_truncate, target_isnan,
2600 target_isinf, target_negative, assemble_real, debug_real): Delete
2601 redundant prototypes.
2603 * Makefile.in (ifcvt.o): Depend on toplev.h.
2605 * c-semantics.c: Include expr.h.
2607 * ifcvt.c: Include toplev.h.
2609 * expr.h (rtx_equal_p): Delete prototype.
2611 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2612 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2613 eliminate_constant_term, expand_complex_abs, find_single_use,
2614 make_tree, init_expr_once, init_optabs, supports_one_only):
2617 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2618 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2619 expand_assignment, store_expr, emit_line_note_after,
2620 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2622 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2624 * sparc-protos.h: Delete redundant prototypes.
2626 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2628 * reload.c (push_reload): Add condition missed in SUBREG byte
2631 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2633 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2635 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2637 * i386.md (floatsisf_sse): Fix output template
2638 * i386.c (ix86_expand_fp_movcc)
2640 * reg-stack.c (emit_pop_insn): Handle complex modes.
2641 (move_for_stack_reg): Emit proper move mode.
2642 (subst_stack_regs_pat): Handle complex modes.
2644 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2646 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2648 2001-04-10 Richard Henderson <rth@redhat.com>
2650 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2651 (__pure_virtual, __terminate, __terminate_set_func,
2652 __default_terminate, __throw_type_match, __empty,
2653 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2654 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2655 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2656 Remove prototypes of deleted functions.
2658 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * c-typeck.c (convert_arguments): -Wtraditional now activates
2661 -Wconversion warnings, except for changes in signed-ness.
2662 Detect complex<->int & int<->complex conversions as well.
2664 * invoke.texi (-Wtraditional): Document it.
2666 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2668 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2669 * flow.c (set_block_for_new_insns): Remove needless cast and
2670 properly check for unset block number.
2672 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2674 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2675 the subreg was a hard register. Pseudos are left as subregs.
2677 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2679 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2680 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2681 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2682 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2683 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2685 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2687 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2689 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2691 * output.h (set_block_num): Missed it earlier, remove deprecated
2694 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2696 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2697 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2698 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2699 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2700 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2701 (expr_killed_p): Change bb parameter from int to basic_block, pass
2702 basic_blocks instead of ints as parameters.
2703 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2704 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2705 from int to basic_block, pass basic_blocks instead of ints as parms.
2706 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2707 parameter from int to basic_block, pass basic_blocks instead of ints.
2708 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2709 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2710 pass basic_blocks instead of ints.
2711 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2712 basic_blocks instead of ints as parameters.
2713 (pre_delete): Pass basic_blocks instead of ints as parameters.
2714 (hoist_expr_reaches_here_p): Change bb parameter from int to
2715 basic_block, pass basic_blocks instead of ints.
2716 (hoist_code): Pass basic_blocks instead of ints as parameters.
2717 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2718 Change bb parameter from int to basic_block.
2719 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2720 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2721 pass basic_blocks instead of ints.
2722 (insert_store): Pass basic_blocks instead of ints as parameters.
2723 (replace_store_insn, delete_store): Change bb parameter from int to
2724 basic_block, pass basic_blocks instead of ints.
2725 (store_motion): Pass basic_blocks instead of ints as parameters.
2727 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2729 * basic-block.h (set_new_block_for_insns): New Prototype.
2730 (set_block_num): Delete prototype.
2731 * flow.c (set_block_num): Remove obsolete function.
2732 (set_block_for_new_insns): Set BB for single or multiple insns.
2733 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2734 (process_insn_end_bb): Use set_block_for_new_insns or
2735 set_block_for_insn instead of set_block_num.
2736 (pre_insert_copy_insn): Use set_block_for_new_insns.
2737 (update_ld_motion_stores): Use set_block_for_new_insns.
2738 (insert_insn_start_bb): Use set_block_for_new_insns.
2739 (replace_store_insn): Use set_block_for_new_insns.
2741 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2742 Jeff Law <law@redhat.com>
2744 * alias.c (get_addr): Externalize.
2745 (canon_true_dependence): New function. Behaves like true_dependance
2746 except it already assumes a MEM has been canonicalized.
2747 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2748 * gcse.c (struct ls_expr): Add load/store expressions structure.
2749 (modify_mem_list, canon_modify_mem_list): New variable.
2750 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2751 load motion and store motion if requested.
2752 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2753 (free_gcse_mem): Free the modify_mem_list array.
2754 (oprs_unchanged_p): Use load_killed_in_block_p.
2755 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2756 (mems_conflict_for_gcse_p): New function. Don't kill loads
2757 with stores to themselves if its in the load/store expression list.
2758 (load_killed_in_block_p): New function.
2759 (canon_list_insert): New Function.
2760 (record_last_mem_set_info): Keep a list of all instructions which
2761 can modify memory for each basic block.
2762 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2763 (oprs_not_set_p): Use load_killed_in_block_p.
2764 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2765 (expr_killed_p): Use load_killed_in_block_p.
2766 (compute_transp): Do not pessimize memory references.
2767 (pre_edge_insert): Update stores for a load motion expression.
2768 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2769 (ldst_entry): Find or create a ldst_expr structure.
2770 (free_ldst_entry): Free memory for an individual item.
2771 (free_ldst_mems): Free entire load/store expression list.
2772 (print_ldst_list): Print debug info.
2773 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2774 (enumerate_ldsts): Assign integer values to each entry in list.
2775 (first_ls_expr): First expression in the list.
2776 (next_ls_expr): Next expression in the list.
2777 (simple_mem): Check if expression qualifies for ld/st expression list.
2778 (invalidate_any_buried_refs): Remove from expression list if its
2779 used in some other way we dont understand.
2780 (compute_ld_motion_mems): Find all potential enhanced load motion
2782 (trim_ld_motion_mems): Remove any expressions which are invalid.
2783 (update_ld_motion_stores): Copy store values to registers for loads
2784 which have been moved.
2785 (regvec, st_antloc, num_store): New global statics.
2786 (reg_set_info): Marks registers as set.
2787 (store_ops_ok): Verfies registers expressions are valid in a block.
2788 (find_moveable_store): Look for moveable stores in a pattern.
2789 (compute_store_table): Find stores in a function worth moving, maybe.
2790 (load_kills_store): Check dependance of a load and store.
2791 (find_loads): Find any loads in a pattern.
2792 (store_killed_in_insn): Check if a store is killed in an insn.
2793 (store_killed_after): Check is store killed after an insn in a block.
2794 (store_killed_before): Check is store killed before an insn in a block.
2795 (build_store_vectors): Generate the antic and avail vectors.
2796 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2797 (insert_store): Add a store to an edge.
2798 (replace_store_insn): Replace a store with a SET insn.
2799 (delete_store): Delete a store insn.
2800 (free_store_memory): Free memory.
2801 (store_motion): Perform store motion.
2802 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2803 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2804 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2805 (f_options): Add gcse-lm and gcse-sm.
2807 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2809 * i386.c (expand_fp_movcc): Fix condition reversal code.
2811 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2812 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2813 (CLASS_MAX_NREGS): Use it.
2815 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2816 handle properly complex values.
2817 (CLASS_MAX_NREGS): Likewise; update comment.
2819 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2821 * ia64.c (ia64_flag_schedule_insns2): New variable.
2822 (ia64_override_options): Initialize it. Clear
2823 flag_schedule_insns_after_reload.
2824 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2826 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2828 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2829 Do not require source to match destination anymore;
2830 Add abort to the nontrivial cases that should be handled by split.
2831 (fix_trunc?fdi): Add SSE case for x86_64.
2832 (floatdi?f): Likewise.
2833 (floatdi?f_sse): New.
2834 (fix_trunc?fdi_sse): New.
2836 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2838 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2839 (DEBUG_ARANGES_END_LABEL): Ditto.
2840 (dwarfout_init): Generate length and version fields at the start
2841 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2842 after the length field.
2843 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2844 the .debug_aranges info.
2846 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2848 * i386.c (call, call_value): Make sure that resulting call_insn
2849 does have proper second operand.
2851 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2853 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2854 function. Remove include of sys/cygwin.h.
2856 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2858 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2859 (CPP_SPEC): Always search */include/w32api for header files.
2860 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2861 (LINK_SPEC): Add "cyg" to the library search prefixes.
2863 2001-04-08 Philip Blundell <philb@gnu.org>
2865 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2867 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2869 * cpperror.c (print_location): Don't special case <stdin>.
2870 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2871 WARNING, but we don't check if we're in system headers.
2872 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2873 * cpplib.c (do_warning): Warn in system headers.
2875 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2877 * mbchar.c: Include config.h first.
2879 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2881 * config.gcc: Set default for xmake_file at top, not bottom.
2882 Change places that set xmake_file to "none" to set to the
2883 empty string instead, or remove them entirely if there is no
2884 default xmake_file for this cpu_type. Remove references to
2887 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2888 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2889 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2890 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2891 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2892 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2893 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2894 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2895 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2896 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2899 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2900 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2901 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2902 config/mips/x-sysv, config/rs6000/x-aix31:
2903 Just set CLIB to -lld or -lmld, as appropriate.
2905 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2906 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2907 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2908 config/mips/x-iris, config/pa/x-pa:
2909 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2910 OTHER_FIXINCLUDES_DIRS.
2912 * config/i386/x-djgpp: Don't set LN or LN_S.
2913 * config/m88k/x-dolph: Don't define __m88k__.
2914 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2915 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2916 * config/i860/fx2800.h: No need to #undef SVR4.
2918 38 x-host fragments remain, 2 x-cpu.
2920 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2922 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2924 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2926 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2928 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2930 * configure.in: Add check for lstat.
2931 * configure, config.in: Regenerate.
2932 * cppinit.c (append_include_chain): Make empty path ".".
2933 * cpplib.c (do_line): Don't simplify #line paths.
2934 * cppfiles.c (remove_component_p): New function.
2935 (find_or_create_entry): Acknowledge stat () errors during
2936 path simplification.
2937 (handle_missing_header): Don't simplify paths.
2938 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2939 the empty path untouched. Don't leave a trailing '/'.
2941 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2943 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2944 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2946 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2948 * cppfiles.c (open_file): Fail directories silently, but
2949 with an errno of NOENT set.
2950 (read_include_file): Move the common exit code to the sole
2951 caller. Return an int indicating success or failure. Let
2952 open_file handle directories.
2953 (stack_include_file): If read_include_file fails,
2954 push a "null" buffer.
2956 2001-04-05 DJ Delorie <dj@redhat.com>
2958 * function.h (virtuals_instantiated): Declare.
2959 * function.c: (virtuals_instantiated): Make global.
2960 * calls.c (emit_library_call_value_1): Use
2961 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2962 Otherwise, use the stack pointer directly.
2964 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2966 * i386.c (x86_initialize_trampoline): New global function.
2967 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2968 (INITIALIZE_TRAMPOLINE): Move offline.
2969 * i386-protos.h (x86_initialize_trampoline): Declare.
2971 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2973 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2974 (lea_0): Rename to lea_1.
2975 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2976 (lea_general_?): Allow SImodes on TARGET_64BIT
2977 (lea_general_?_zext): New patterns.
2978 (call_1, call_1_rex64): Fix.
2980 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2982 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2984 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2986 * i386.c (function_arg): Return constm1_rtx for last argument.
2987 (ix86_expand_prologue): Update gen_call calls.
2988 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2989 * i386.md (call_pop): Likewise.
2990 (call): Second operand is VOIDmode.
2991 (call_0): Likewise; Support 64bits.
2992 (call_exp): New expander.
2993 (call_1): Get to the sync.
2994 (call_1_exp): New pattern.
2995 (call_value): Support 64bit.
2996 (call_value_exp): New pattern.
2997 (untyped_call): Update gen_call call.
2998 (call_value_pop): Disable for 64bit.
2999 (call_value_0_rex64): New pattern.
3000 (call_value_1_rex64): Likewise.
3002 2001-04-05 Bo Thorsen <bo@suse.de>
3004 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3006 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3008 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3009 satisfies ANY_QI_REG_P.
3011 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3013 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3016 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3019 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3021 * config.gcc: Remove default for xm_file. Clean up local
3022 machine type handling. Remove settings of xm_file to
3023 something that doesn't exist. In the big switch, set xm_file,
3024 don't append to it (the value before the big switch is always
3025 null). Don't force build_xm_file or host_xm_file to have a value.
3026 * configure.in: Remove default for xm_file. Do not special
3027 case $cpu/xm-$cpu.h not existing.
3028 * configure: Regenerate.
3030 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3032 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3033 when folding integer division and modulo operations.
3035 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3037 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3038 instead of DWARF2_ADDR_SIZE for EH addresses.
3039 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3042 2001-04-04 Richard Henderson <rth@redhat.com>
3044 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3045 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3046 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3048 2001-04-04 Richard Henderson <rth@redhat.com>
3050 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3051 * configure: Rebuilt.
3053 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3055 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3056 push insns to delete to it instead of deleting them.
3057 (delete_null_pointer_checks): Delete insns from delete_list after
3058 all delete_null_pointer_checks_1 passes are done.
3060 2001-04-04 Richard Henderson <rth@redhat.com>
3062 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3063 * configure: Rebuilt.
3065 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3067 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3068 * config/romp/xm-romp.h: Delete.
3070 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3072 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3075 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3077 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3078 all labels present in rtx.
3079 (try_split) Call new function for all split insns.
3081 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3083 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3084 sure the change won't be validated.
3086 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3088 * rtl.h (set_noop_p): Declare.
3089 * flow.c (set_noop_p): Move from here ...
3090 * rtlanal.c (set_noop_p): ... to here and enhance.
3091 * cse.c (delete_trivially_dead_insns): Use it.
3092 * gcse.c (hash_scan_set): Likewise.
3093 * jump.c (delete_noop_moves): Likewise.
3094 * recog.c (split_all_insns): Likewise.
3096 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3098 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3099 stack pointer via a LO_SUM. Ditto for setting a temp register
3100 used to save to the stack. Set cfa_temp when setting fp, and
3101 allow matches to cfa_temp in addition to cfa_store when saving
3102 regs. Handle POST_INC and LO_SUM register stores. Document the
3103 changes and errors in rule 12 doco.
3105 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3106 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3107 (load_reg): Move closer to epilogue code.
3108 (DO_FRAME_NOTES): Define to control the following..
3109 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3110 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3112 (hppa_expand_epilogue): Likewise.
3114 2001-04-03 Richard Henderson <rth@redhat.com>
3116 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3117 * configure: Rebuild.
3119 2001-04-03 Richard Henderson <rth@redhat.com>
3121 * rtl.h (LCT_THROW): New.
3122 * calls.c (emit_library_call_value_1): Handle it.
3123 * except.c (connect_post_landing_pads): Use it.
3125 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3127 * gansidecl.h: Delete file.
3128 * configure.in: Change all refs to gansidecl.h to use
3129 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3131 * configure: Regenerate.
3133 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3134 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3135 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3136 Don't include gansidecl.h.
3137 * intl.c, main.c, version.c, fixinc/fixlib.h,
3138 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3141 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3143 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3146 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3148 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3149 config/i386/xm-next.h, config/i386/xm-sco.h,
3150 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3151 config/m88k/xm-m88k.h: Delete.
3153 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3154 * config/romp/xm-romp.h: Don't define bcopy.
3155 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3156 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3158 * config.gcc: Remove references to deleted files.
3160 14 xm-host.h remain, 1 xm-cpu.h.
3162 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3163 David S. Miller <davem@pierdol.cobaltmicro.com>
3164 Andrew MacLeod <amacleod@redhat.com>
3166 Use byte offsets in SUBREGs instead of words.
3168 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3169 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3170 to pass new argument.
3171 (add_stored_regs): Use subreg_regno_offset function.
3172 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3174 (precompute_arguments): Use gen_lowpart_SUBREG.
3175 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3176 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3177 (simplify_set): Rework to use SUBREG_BYTE.
3178 (expand_field_assignment): Use SUBREG_BYTE.
3179 (make_extraction): Use SUBREG_BYTE.
3180 (if_then_else_cond): Use SUBREG_BYTE.
3181 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3182 (gen_lowpart_for_combine): Compute full byte offset.
3183 * cse.c (mention_regs): Use SUBREG_BYTE.
3184 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3185 (canon_hash): Use SUBREG_BYTE.
3186 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3187 (gen_lowpart_if_possible): Formatting.
3188 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3190 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3191 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3192 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3193 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3194 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3195 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3196 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3197 certain invariants about SUBREGs the compiler creates.
3198 (gen_lowpart_SUBREG): New function.
3199 (subreg_hard_regno): New function to get the final register number.
3200 (gen_lowpart_common): Use SUBREG_BYTE.
3201 (gen_imagpart): Spacing nits.
3202 (subreg_realpart_p): Use SUBREG_BYTE.
3203 (gen_highpart): Use SUBREG_BYTE.
3204 (subreg_lowpart_p): Always compute endian corrected goal offset,
3205 even at the byte level, then compare against that.
3206 (constant_subword): New function, pulled out all constant cases
3207 from operand_subword and changed second argument name to offset.
3208 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3209 and call constant_subword to do the work. Return const0_rtx if
3210 looking for a word outside of OP.
3211 (operand_subword_force): Change second arg name to offset.
3212 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3213 (store_split_bit_field): Use SUBREG_BYTE.
3214 (extract_bit_field): Use SUBREG_BYTE.
3215 (extract_split_bit_field): Use SUBREG_BYTE.
3216 (expand_shift): Use SUBREG_BYTE.
3217 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3218 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3219 * flow.c (set_noop_p): Use SUBREG_BYTE.
3220 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3221 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3222 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3224 (optimize_bit_field): Use SUBREG_BYTE.
3225 (purge_addressof_1): Use SUBREG_BYTE.
3226 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3227 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3228 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3229 * gengenrtl.c (special_rtx): Add SUBREG.
3230 * global.c (mark_reg_store): Use SUBREG_BYTE.
3231 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3232 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3233 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3234 final byte offset is congruent to subreg's mode size.
3235 (subst_constants): Use SUBREG_BYTE.
3236 (mark_stores): Use subreg_regno_offset function.
3237 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3238 function and SUBREG_BYTE.
3239 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3240 (reg_is_born): Use subreg_hard_regno.
3241 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3242 endian correction code. Don't combine subregs unless resulting
3243 offset aligns with type. Fix subreg constant extraction for DImode.
3244 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3245 (general_operand): Remove dead mode_altering_drug code.
3246 (indirect_operand): Use SUBREG_BYTE.
3247 (constrain_operands): Use subreg_regno_offset function.
3248 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3249 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3250 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3251 * regs.h (REG_SIZE): Allow target to override.
3252 (REGMODE_NATURAL_SIZE): New macro which target can override.
3253 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3254 on the entire subreg rtx.
3255 (push_reload): Use SUBREG_BYTE in comments and code.
3256 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3257 for hard registers inside subregs.
3258 (operands_match_p): Use subreg_regno_offset.
3259 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3260 containing hard regs.
3261 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3262 corrections when fixing up MEM subregs.
3263 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3264 subreg_regno_offset where appropriate.
3265 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3266 byte endian corrections when fixing up MEM subregs.
3267 (subst_reloads): When combining two subregs, make sure final
3268 offset is congruent to subreg's mode size.
3269 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3270 (refers_to_regno_for_reload_p): Use subreg_regno.
3271 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3272 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3273 correction code for memory subreg fixups.
3274 (forget_old_reload_1): Use subreg_regno_offset.
3275 (choose_reload_regs): Use subreg_regno.
3276 (emit_input_reload_insns): Use SUBREG_BYTE.
3277 (reload_combine_note_store): Use subreg_regno_offset.
3278 (move2add_note_store): Use subreg_regno_offset.
3279 * resource.c (update_live_status, mark_referenced_resources): Use
3280 subreg_regno function.
3281 (mark_set_resources): Use subreg_regno function.
3282 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3283 (subreg_regno_offset, subreg_regno): Define prototypes.
3284 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3285 (gen_lowpart_SUBREG): Add prototype.
3286 * rtl.texi (subreg): Update to reflect new byte offset representation.
3287 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3288 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3289 (reg_overlap_mentioned_p): Use subreg_regno.
3290 (replace_regs); Make sure final offset of combined subreg is
3291 congruent to size of subreg's mode.
3292 (subreg_regno_offset): New function.
3293 (subreg_regno): New function.
3294 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3295 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3296 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3297 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3298 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3299 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3300 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3301 (print_operand): Use SUBREG_BYTE.
3302 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3303 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3304 (arm_reload_out_hi): Use SUBREG_BYTE.
3305 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3306 instead of SUBREG_WORD.
3307 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3308 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3309 SUBREG creation to use byte offset.
3310 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3311 inverted load insns): Fix explicit rtl subregs to use byte
3313 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3314 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3315 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3316 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3317 to use byte offsets.
3318 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3319 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3320 offsets, also make sure it is congruent to SUBREG's mode size.
3321 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3322 unnamed ldob insn): Generate SUBREGs with byte offset.
3323 (zero_extendqihi2): SUBREG's are byte offsets.
3324 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3325 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3326 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3327 zero-extendqisi2): Generate SUBREGs with byte offset.
3328 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3329 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3330 subregs in rtl to use byte offsets.
3331 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3332 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3333 (mips_move_2words): Use subreg_regno_offset.
3334 (mips_secondary_reload_class): Use subreg_regno_offset.
3335 * config/mips/mips.md (DImode plus, minus, move, and logical op
3336 splits): Fixup explicit subregs in rtl to use byte offsets.
3337 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3338 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3339 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3340 rtl to use byte offsets.
3341 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3342 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3343 subregs to use byte offsets.
3344 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3345 Fixup explicit subregs in rtl to use byte offsets.
3346 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3347 and remove byte endian correction code.
3348 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3349 (gen_ashift_hi): Use SUBREG_BYTE.
3350 (regs_used): Use subreg_regno_offset.
3351 (machine_dependent_reorg): Use subreg_regno_offset.
3352 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3353 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3354 (movdf_i4): Subregs are byte offsets now.
3355 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3356 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3357 (REGMODE_NATURAL_SIZE): Override.
3358 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3359 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3361 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3362 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3363 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3364 it is congruent to SUBREG's mode size.
3365 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3367 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3368 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3369 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3370 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3371 * config/v850/v850.c (print_operand, output_move_double): Use
3372 subreg_regno function.
3374 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3376 * configure.in (target_subdir): Use target_alias, not target.
3377 * configure: Rebuilt.
3379 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3381 * config/sh/crti.asm: Fix typos in comments.
3383 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3385 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3386 TARGET_FAST_INDIRECT_CALLS.
3387 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3389 (return_addr_rtx): Short circuit export stub matching when
3390 TARGET_NO_SPACE_REGS.
3391 (output_millicode_call): For out of range calls, make -fPIC
3392 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3393 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3394 * pa.md: Modify length attr calculation of all millicode insns to
3397 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3399 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3400 Require at least 2.11 in the version test. Specifically check
3401 for and reject GAS version 2.10.90.
3402 * configure: regenerate.
3404 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3406 * pa.c (override_options): Remove PIC profiling warning.
3407 (hp_profile_labelno): Delete.
3408 (hp_profile_label_rtx): Delete.
3409 (hp_profile_label_name): Delete.
3410 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3411 (output_function_prologue): Remove profiling code and all tests on
3412 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3413 merge_sp_adjust_with_store can work for PIC and profiling.
3414 (hppa_expand_epilogue): Remove profile_flag test.
3415 (hppa_can_use_return_insn_p): Likewise.
3416 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3417 cater for PROFILE_HOOK.
3418 (hppa_profile_hook): New function.
3419 * pa.h (FUNCTION_PROFILER): Now does nothing.
3420 (PROFILE_HOOK): Define.
3421 (hppa_profile_hook): Declare.
3422 (PROFILE_BEFORE_PROLOGUE): Delete.
3423 (ASM_OUTPUT_REG_PUSH): Delete.
3424 (ASM_OUTPUT_REG_POP): Delete.
3425 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3426 r24. Accept function name operand, and use this and a locally
3427 generated label to calculate pc-rel offset to func start.
3429 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3432 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3435 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3437 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3438 LO_SUM cases to where they belong.
3440 2001-04-02 Richard Henderson <rth@redhat.com>
3442 * except.h (lang_eh_type_covers): Mark extern.
3443 (lang_eh_runtime_type): Likewise.
3445 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3447 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3448 gengenrtl.c: Wrap generated header in multiple-include guard.
3449 Improve error checking.
3451 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3453 * configure.in: Don't check for putenv.
3454 * configure: Regenerate.
3455 * gcc.c (putenv): Don't define.
3456 * vax/xm-vms.h: Handle putenv.
3458 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3460 * ifcvt.c (noce_emit_move_insn): New.
3461 (noce_try_store_flag, noce_try_store_flag_constants,
3462 noce_try_store_flag_inc, noce_try_store_flag_mask,
3463 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3464 noce_try_abs): Use it.
3465 (noce_process_if_block): Likewise.
3466 For STRICT_LOW_PART, take mode from its SUBREG.
3468 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3470 * fold-const.c (fold): Before optimizing unsigned comparison with
3471 0x7fffffffU, make sure arg0 is integral type.
3473 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3475 * c-tree.texi: Document representation of wide strings.
3477 2001-04-01 Richard Henderson <rth@redhat.com>
3479 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3481 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3483 * i386.md: remove obsoleted comments.
3484 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3485 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3486 fix output template.
3488 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3490 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3492 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3494 * loop.c (load_mems): When generating a load from a pseudo, update
3497 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3499 * i386.c (ix86_split_long_move): Use change address to compensate
3500 stack pointer change in push instruction.
3502 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3504 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3505 instead of rtx_equal_p; fix the output template.
3507 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3509 * i386.c (ix86_expand_setcc): Support 64bit.
3510 (ix86_expand_int_movcc): Likewise.
3511 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3514 * i386.md (allocate_stack_worker): Turn to expander.
3515 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3517 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3519 2001-03-29 Richard Henderson <rth@redhat.com>
3521 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3523 2001-03-28 Matthew Hiller <hiller@redhat.com>
3525 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3528 * MAINTAINERS: Added self.
3530 2001-03-28 Richard Henderson <rth@redhat.com>
3532 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3533 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3535 2001-03-28 Jim Wilson <wilson@redhat.com>
3537 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3540 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3542 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3544 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3547 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3549 2001-03-28 DJ Delorie <dj@redhat.com>
3551 * Makefile.in (stage1_build): Revert CFLAGS patch.
3553 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3555 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3556 when multiplier or multiplicand is zero.
3558 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3560 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3562 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3564 (set_src_needs_barrier): Likewise.
3565 (rtx_needs_barrier): For SET case, use these two functions. Rework
3566 PARALLEL case to handle all inputs before all outputs.
3567 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3568 saw a label and no stop bit since then.
3569 (maybe_rotate, process_epilogue): Add prototypes.
3571 2001-03-28 Richard Henderson <rth@redhat.com>
3573 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3574 not TARGET_TOC for special toc restore handling.
3575 * config/rs6000/rs6000.md (eh_return): Likewise.
3577 2001-03-28 Richard Henderson <rth@redhat.com>
3579 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3580 current_function_calls_eh_return.
3581 (output_function_epilogue): Handle eh_return.
3582 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3583 (EH_RETURN_DATA_REGNO): New.
3584 (EH_RETURN_STACKADJ_RTX): New.
3585 (EH_RETURN_HANDLER_RTX): New.
3586 * config/sparc/sparc.md (call/short branch peepholes): Check
3587 can_throw_internal instead of in_same_eh_region.
3589 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3590 for eh_return data registers.
3591 (rs6000_emit_prologue): Save eh_return data registers.
3592 (rs6000_emit_epilogue): Force inline restores if eh_return.
3593 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3594 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3595 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3596 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3597 the target uses one.
3598 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3599 (return_eh_si, return_eh_di): Remove.
3600 (eh_return): New, from corpse of eh_epilogue.
3601 (eh_set_lr_si, eh_set_lr_di): New.
3603 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3604 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3605 True for pic register if current_function_calls_eh_return.
3606 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3607 Handle eh_return requirements.
3608 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3609 (EH_RETURN_STACKADJ_RTX): New.
3610 * config/i386/i386.md (exception_receiver): Remove.
3611 (eh_return, eh_return_1): New.
3612 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3614 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3615 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3616 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3617 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3618 (EH_RETURN_DATA_REGNO): New.
3619 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3620 * config/alpha/alpha.md (eh_epilogue): Remove.
3621 (exception_receiver): Use $26 for ldgp input.
3622 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3624 2001-03-28 Richard Henderson <rth@redhat.com>
3626 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3627 * except.h: Likewise.
3629 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3630 (LIB2ADDEHDEP): New.
3631 (LIB2FUNCS_EH): Remove.
3632 (LIB2ADD): Remove LIB2ADDEH.
3633 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3634 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3635 (crt{begin,end}[S].o): Likewise.
3636 (except.o): Update includes.
3637 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3638 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3640 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3641 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3642 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3643 * builtins.c (expand_builtin): Implement it.
3644 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3645 * c-common.c (c_common_nodes_and_builtins): Declare it.
3646 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3647 * calls.c (libfunc_nothrow): Remove.
3648 (emit_library_call_value_1): Don't call it.
3649 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3650 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3651 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3652 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3653 (current_funcdef_number): Globalize.
3654 (output_call_frame_info): Emit frame data if an lsda is needed.
3655 Generate augmentation for personality routine. Don't play with
3657 (dwarf2out_begin_prologue): Record funcdef_number.
3658 * dwarf2out.h (current_funcdef_number): Declare.
3659 * expr.c (expand_expr): Update for except.h name changes.
3660 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3661 * expr.h (LTI_throw, LTI_rethrow): Remove.
3662 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3663 (LTI_eh_rtime_match): Remove.
3664 (LTI_unwind_resume, LTI_eh_personality): Add.
3665 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3666 * final.c (final): Don't call check_exception_handler_labels,
3667 init_insn_eh_region, or free_insn_eh_region.
3668 (final_scan_insn): Always emit debug labels for
3669 NOTE_INSN_EH_REGION notes.
3670 * flags.h (flag_new_exceptions): Remove.
3671 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3672 (record_active_eh_regions): Remove.
3673 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3674 Use can_throw_internal.
3675 (find_basic_blocks_1): Likewise.
3676 (move_stray_eh_region_notes): Remove.
3677 (find_label_refs): No eh_return_stub_label.
3678 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3679 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3681 (delete_unreachable_blocks): Don't track deleted handlers.
3682 (flow_delete_block): Use maybe_remove_eh_handler.
3683 (delete_eh_regions): Remove.
3684 (merge_blocks): Don't check for eh region match.
3685 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3686 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3687 (init_propagate_block_info): Disable dead frame store optimization
3688 when current_function_calls_eh_return.
3689 (dump_bb): Don't print eh_beg, eh_end.
3690 * function.c (fixup_var_refs): No catch_clauses.
3691 (expand_function_end): Likewise. Call expand_eh_return before
3692 the return register use. Call sjlj_emit_function_exit_after.
3693 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3694 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3695 * ifcvt.c (dead_or_predicable): Remove eh region check.
3696 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3697 Don't check for EH vs parameters.
3698 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3699 (expand_inline_function): Call duplicate_eh_regions.
3700 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3701 (copy_insn_notes): Remap REG_EH_REGION notes.
3702 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3703 * integrate.h (struct inline_remap): Add local_return_label.
3704 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3705 check_exception_handler_labels, nor exception_optimize.
3706 (find_cross_jump): No EH region check.
3707 * optabs.c (init_optabs): Update for changed eh libfuncs.
3708 * rtl.def (RESX): New.
3709 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3710 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3711 checks. Update for except.h name changes.
3712 (expand_cleanups): Likewise.
3713 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3714 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3715 (compile_file): Call init_eh before init_optabs. Don't
3716 output_exception_table here.
3717 (rest_of_compilation): Call convert_from_eh_region_ranges,
3718 convert_to_eh_region_ranges, output_function_exception_table.
3719 Don't emit_eh_context.
3720 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3721 (EXC_PTR_EXPR): New.
3723 * md.texi (eh_epilogue): Remove.
3724 (eh_return): Document.
3725 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3726 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3728 * eh-common.h: Remove file.
3729 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3730 * libgcc2.c (L_eh): Remove.
3732 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3733 * unwind-dw2-fde.h: New file.
3734 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3735 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3736 * libgcc-std.ver: Update for eh symbols.
3738 2001-03-27 Richard Henderson <rth@redhat.com>
3740 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3741 reduce false positives.
3742 (regmove_optimize): Disable if flag_non_call_exceptions.
3744 * stmt.c (expand_return): Remove always true predicate.
3745 (expand_decl_cleanup_no_eh): Remove dead code.
3747 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3748 barrier code. Add a scheduling barrier if a non-call insn
3749 can throw internally.
3751 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3752 Auto-inc addresses trap only if their base register does.
3754 * except.c (can_throw_internal): Rename from can_throw.
3755 * except.h, resource.c: Update references.
3757 * integrate.c (copy_insn_list): Use returnjump_p.
3758 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3760 * function.h (struct function): Move all boolean valued fields
3761 to single bit fields at the end of the struct.
3763 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3765 Rename asynchronous_exceptions to flag_non_call_exceptions.
3767 * gthr-single.h (UNUSED): New. Distinguish between how C
3768 and C++ mark unused function arguments. Use throughout.
3770 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3771 value to target configuration header.
3772 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3773 * config.in, configure: Rebuild.
3774 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3775 configuration and target defines.
3776 (exceptions_via_longjmp): Remove.
3777 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3778 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3780 * except.h (flag_non_call_exceptions): Move ...
3781 * flags.h: ... here.
3783 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3784 exceptions, put the note on the trapping instruction.
3786 * flags.h (flag_new_exceptions): Remove.
3787 * toplev.c: Don't set it.
3788 * final.c: Don't check it.
3789 * except.c: Provide stub definition.
3791 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3792 (calculate_global_regs_live): Kill call-clobbered registers
3793 across exception edges.
3794 * reg-stack.c (convert_regs_1): Kill the entire target stack
3795 across non-call exception edges.
3797 * flow.c (cleanup_cfg): Take no argument.
3798 * output.h, sibcall.c, toplev.c: Update all calls.
3800 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3802 * configure.in: Don't check for bcopy.
3803 * configure, config.in: Regenerate.
3805 * system.h: Don't define or prototype bcopy, instead poison it.
3807 2001-03-27 Richard Henderson <rth@redhat.com>
3809 * function.c (expand_function_start): Set DECL_REGISTER on
3810 a pseudo used for DECL_RESULT.
3812 * rtl.h (LCT_NORETURN): New.
3813 * calls.c (emit_library_call_value_1): Handle it.
3815 2001-03-27 Stan Shebs <shebs@apple.com>
3817 * objc/objc-act.c (objc_init): Use dump_base_name.
3818 (gen_declaration): Clear the buffer arg.
3819 (gen_declaration_1): New function, body of gen_declaration.
3820 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3821 (gen_method_decl): Ditto, plus always clear buffer arg.
3822 (error_with_ivar): Simplify.
3823 (warn_with_method): Ditto.
3824 (build_message_expr): Don't clear buffers.
3825 (dump_interface): Ditto.
3826 (objc_debug): Ditto.
3827 (build_keyword_selector): Clear the buffer by only zeroing
3829 (objc_implementation_context): Declare.
3830 (start_class): Warn about missing @end.
3831 (finish_objc): Ditto.
3833 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3835 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3837 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3839 * Makefile.in (SYSTEM_H): Define.
3840 Depend on $(SYSTEM_H), not system.h.
3842 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3844 2001-03-27 Jim Wilson <wilson@redhat.com>
3846 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3848 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3849 (process_epilogue): New static function.
3850 (process_set): Call process_epilogue instead of emitting .restore
3852 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3854 * flow.c (struct reg_cond_life_info): New fields orig_condition
3856 (init_propagate_block_info): Set new fields.
3857 (mark_regno_cond_dead): Set and use new fields.
3858 (flush_reg_cond_reg_1): Likewise.
3859 (and_reg_cond, case AND): Check for redundant AND conditions.
3860 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3863 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3865 * cppmacro.c (stringify_arg): Null terminate strings.
3867 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3869 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3870 inclusion style. xm-m68hc11.h no longer exists.
3871 * config/m68hc11/xm-m68hc11.h: Delete file.
3872 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3874 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3875 Don't define GCC_VERSION, N_, or PARAMS; don't include
3876 gansidecl.h or stdio.h. Define inhibit_libc here.
3877 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3878 Delete code conditioned on #if GCC_VERSION == 2095.
3880 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3881 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3882 Delete code conditioned on #if GCC_VERSION == 2095.
3884 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3886 * system.h: Include symcat.h.
3887 (STRINGIFY): Don't define.
3889 * configure.in: Adjust comment.
3891 * builtins.c: Use STRINGX, not STRINGIFY.
3892 * gencheck.c: Likewise.
3893 * gengenrtl.c: Likewise.
3894 * protoize.c: Likewise.
3896 * cpplex.c: Don't include symcat.h.
3897 * cpplib.c: Likewise.
3899 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3901 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3903 * c-typeck.c (digest_init): Fold init expression.
3905 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3907 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3909 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3911 * except.c (eh_regs): Save results of build_pointer_type to a temp
3912 as FUNCTION_VALUE macro may evaluate its args multiple times.
3914 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3916 * c-common.h (DECL_NUM_STMTS): New macro.
3917 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3919 (pushdecl): Likewise.
3920 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3921 * integrate.c (expand_inline_function): Don't check
3923 * print-tree.c (print_node): Don't print it.
3924 * toplev.c (rest_of_compilation): Don't try to inline when
3925 flag_no_inline is on.
3926 * tree.h (DECL_FRAME_SIZE): Remove.
3927 (tree_decl): Adjust accordingly.
3929 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * combine.c (try_combine): Use memcpy, not bcopy.
3933 * genattrtab.c (expand_units): Likewise.
3935 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3937 * i386.md (push mem DI peep2): New.
3938 (mov 0, mov -1 peep2): Handle 64bit.
3939 (lea to arithmetics peep2): Handle 64bit leas.
3940 (rsp arithmetics to push/pop peep2s): New.
3942 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3944 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3946 * i386.c (struct machine_function): Add save_varrargs_registers.
3947 (ix86_save_varrargs_registers): New macro.
3948 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3949 (ix86_expand_prologue): Likewise.
3950 (ix86_emit_epilogue_esp_adjustement): Likewise.
3951 (ix86_expand_epilogue): Likewise.
3952 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3953 (pro_epilogue_adjust_stack_1): New insn.
3954 (pro_epilogue_adjust_stack_rex64): Likewise.
3955 * i386.h (MASK_NO_RED_ZONE): New constant.
3956 (TARGET_RED_ZONE): New macro.
3957 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3958 (RED_ZONE_SIZE): New constant.
3959 (RED_ZONE_RESERVE): New constant.
3961 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3963 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3965 2001-03-25 Kazu Hirata <kazu@hxi.com>
3967 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3970 (umodhi3): Likewise.
3973 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3975 * mkconfig.sh (DEFINES): Handle entries with '='.
3977 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3978 Set xm_defines to MACRO=value instead.
3980 * i370/xm-mvs.h: Delete.
3982 * ns32k/xm-pc532-min.h: Likewise.
3984 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3986 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3988 use ix86_expand_binary_operator
3989 (?sh??i_?): Disable for 64bit.
3990 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3991 * i386.c (shiftdi_operand): New predicate.
3993 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3994 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3995 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3996 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3997 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3998 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3999 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4000 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4001 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4002 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4003 (rotldi3, rotrdi3): New expanders.
4005 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4007 * i386.md (movstrsi): Move offline.
4009 (strmovdi_rex64): New.
4010 (strmov?i): Accept 64bit.
4011 (strmov?i_rex64): New.
4012 (strmov?i_rex_1): New.
4013 (strmov?i_1): Disable for 64bit.
4014 (rep_mov?i_rex64): New.
4015 (rep_mov?i): Disable for 64bit.
4016 (clrstrsi): Move offline.
4017 (strset?i_rex64): New.
4018 (strset?i: Accept 64bit.
4019 (rep_stos?i): Disable for 64bit.
4020 (rep_stos?i_rex64): New.
4021 (strset?i_rex_1): New.
4022 (strset?i_1): Disable for 64bit.
4023 (cmpstrsi): Accept 64bit.
4024 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4025 (cmpstrqi_nz_rex_1): New.
4026 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4027 (strlensi): Move offline.
4029 (strlenqi_1): Disable for 64bit; fix constraints.
4030 (strlenqi_rex_1): New.
4031 * i386.c (ix86_adjust_counter): New static function.
4032 (ix86_zero_extend_to_Pmode): Likewise.
4033 (ix86_expand_aligntest): Likweise.
4034 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4035 (ix86_expand_movstr): New global function.
4036 (ix86_expand_clrstr): New global function.
4037 (ix86_expand_strlen): New global function.
4038 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4039 ix86_expand_strlen): Declare.
4040 (ix86_expand_strlensi_unroll_1): Delete.
4042 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4044 * i386.md (cmpdi): Fix operand predicates.
4045 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4046 cmpdi_1_insn_rex64): New patterns.
4047 (adddi3): Turn to expander.
4048 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4049 (addsi3_carry_zext): New pattern.
4050 (adddi_?_rex64): New patterns and splitters.
4051 (addsi_?_zext): New patterns.
4052 (subsi3_carry_zext): New pattern.
4053 (subdi_?_rex64): New patterns and splitters.
4054 (iorsi_?_zext): New patterns.
4055 (iordi_?_rex64): New patterns and splitters.
4056 (iorsi_?_zext): New patterns.
4057 (iorsi_?_zext_imm): New patterns.
4058 (xorsi_?_zext): New patterns.
4059 (xordi_?_rex64): New patterns and splitters.
4060 (xorsi_?_zext): New patterns.
4061 (negdi*): New patterns.
4062 (one_cmpldi*): Likewise.
4063 (one_cmplsi*_zext, negsi*_zext): Likewise.
4064 (testqi_ext_3_rex64): New pattern.
4066 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4068 * i386-protos.h (ix86_split_long_move): Return void.
4069 * i386.c (ix86_split_to_parts): Handle 64bit target.
4070 (ix86_split_long_move): Likewise.
4071 * i386.md (all calls to ix86_split_long_move): Update.
4073 2001-03-23 Richard Henderson <rth@redhat.com>
4075 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4076 to avoid shadowing arguments.
4078 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4080 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4081 to variable names where DECL_NAME is different from
4082 DECL_ASSEMBLER_NAME.
4084 2001-03-23 Jim Wilson <wilson@redhat.com>
4086 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4087 (assemble_alias): Call make_decl_rtl.
4089 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4091 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4093 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4095 * extend.texi: Document the "java_interface" attribute.
4097 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4099 * mkconfig.sh: Use a subshell with redirected stdout,
4100 instead of closing stdout and confusing commands that run
4101 afterward. Throw away output of cmp.
4103 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4105 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4107 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4109 * i386.md (zero_extendsidi2_32): Break out from ...
4110 (zero_extendsidi2): ... here ; turn to expander.
4111 (zero_extendsidi2_rex64): New.
4112 (extendsidi2_32): Break out from ...
4113 (extendsidi2): ... here ; turn to expander.
4114 (extendsidi2_rex64): New.
4115 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4116 (trunc?f?f splitters): Add 64bit versions.
4118 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4120 * i386.md (pushsi, pushsi2_prologue): Disable.
4121 (pushsi2_rex64): New.
4122 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4123 (movqi_ext_1): Disable for 64bit.
4124 (movqi_ext_1_rex64): New.
4125 (pushdi2_rex64): New pattern, peep2s and splitter.
4126 (pushdi2_prologue_rex64): New pattern.
4127 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4129 (movdi splitters): Disable for 64bit.
4130 (movdi_1_rex64): New pattern, peep2s and splitters.
4131 (swapdi): New pattern.
4132 (pushsf): Disable for 64bit.
4133 (pushsf_rex64): New pattern and splitter.
4134 (pushdf_nointeger): Disable for 64bit.
4135 (pushdf_integer): Handle the 64bit case.
4136 (pushtf): Likewise; update splitters.
4138 2001-03-22 Richard Henderson <rth@redhat.com>
4140 * mkconfig.sh: Include insn-flags.h.
4141 * Makefile.in (CONFIG_H): Include insn-flags.h.
4142 (lots of objects): Remove insn-codes.h and insn-flags.h.
4144 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4145 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4146 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4147 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4148 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4149 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4150 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4151 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4152 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4153 v850/v850.c, vax/vax.c:
4154 Don't include insn-flags.h.
4156 * diagnostic.c, expr.h, reload.c, toplev.c:
4157 Don't include insn-codes.h.
4159 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4160 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4161 c4x/c4x.c, i960/i960.c, mips/mips.c:
4162 Don't include insn-codes.h or insn-flags.h.
4164 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4165 or insn-flags.h in the generated code.
4166 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4167 (main): Forward declare struct rtx_def.
4169 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4171 * invoke.texi (-ffast-math): Remove duplicate line about
4174 * gcc.texi: Remove more obsolete documentation of bugs and
4175 installation problems.
4177 2001-03-21 Kazu Hirata <kazu@hxi.com>
4179 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4182 2001-03-20 Jason Merrill <jason@redhat.com>
4184 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4186 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4187 * varasm.c (CHKR_PREFIX): Likewise.
4189 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4191 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4192 is part of a multi-SET insn.
4194 * cse.c (find_comparison_args): Remove previous change.
4195 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4198 * config/i386/i386.md (conditional_trap): Remove warning.
4200 * recog.c (push_operand): Fix error in last change that caused
4201 undefined symbol on many targets.
4203 * sdbout.c: #include ggc.h.
4204 (sdbout_init): Move to end of file.
4205 Call ggc_add_tree_root for anonymous_types.
4206 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4207 (sdbout_one_type): Use DECL_NAME for field name.
4208 * Makefile.in (sdbout.o): Show includes ggc.h.
4210 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4212 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4213 (override_options): Use properlimits for preferred_stack_boundary.
4214 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4216 (ext_register_operand): Accept DImode.
4217 (load_pic_register): Abort on 64bit.
4218 (gen_push): Use Pmode instead of SImode.
4219 (ix86_save_reg): Pic reg is never used on 64bit.
4220 (ix86_expand_prologue): Likewise.
4221 (ix86_emit_save_regs): Use Pmode instead of SImode.
4222 (legitimate_address_p): Check displacement for 64bit.
4223 (print_operand): Avoid outputting of (%rip) on 64bit.
4224 (print_operand_address): Output (%rip) where possible.
4225 (split_di): Abort on 64bit registers.
4226 (ix86_expand_branch): DImode comparison is simple for x86_64.
4227 (memory_address_length): Recognize memory addresses formed using
4229 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4231 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4233 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4235 * recog.c (push_operand): Recognize new format of push instructions.
4237 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4239 * i386.md (pushqi1): New.
4240 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4241 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4242 x86_64_immediate_operand, x86_64_immediate_operand,
4243 x86_64_zext_immediate_operand): Declare.
4244 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4245 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4246 x86_64_immediate_operand, x86_64_immediate_operand,
4247 x86_64_zext_immediate_operand): define.
4248 * i386.h (PREDICATE_CODES): Add new predicates.
4250 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4252 * i386.md (pophi1, popqi1, pushqi1): Remove.
4254 * expr.c (emit_single_push_insn): New function.
4255 (move_by_pieces): Accept NULL as destination for push instructions.
4256 (gen_push_operand): Kill.
4257 (emit_push_insn): Pass NULL when pushing; avoid updating of
4258 stack_pointer_delta.
4259 * expr.h (gen_push_operand): Kill.
4261 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4263 * rtl.texi (COMPARE): Clarify documentation and reference section
4266 2001-03-20 Stan Shebs <shebs@apple.com>
4268 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4269 (get_object_reference): Ditto.
4270 (error_with_ivar): Use error_with_file_and_line.
4271 (warn_with_method): Use warning_with_file_and_line.
4273 2001-03-20 Tom Tromey <tromey@redhat.com>
4275 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4277 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4279 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4280 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4282 2001-03-20 DJ Delorie <dj@redhat.com>
4284 * Makefile.in (install-libgcc): Pass complete list of variables.
4285 (install-multilib): Ditto.
4287 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4289 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4290 drectve_section, switch_to_section.
4292 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4293 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4294 i386_pe_mark_dllimport.
4296 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4298 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4299 functions i386_pe_*.
4301 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4302 i386_pe_* functions with char * arguments.
4304 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4306 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4308 (movsi_ie): Introduce fpul store.
4310 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4312 * Makefile.in (OBJS): Remove hashtab.o.
4314 2001-03-19 Stan Shebs <shebs@apple.com>
4316 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4317 * c-lang.c (maybe_objc_method_name): Ditto.
4318 * c-tree.h (maybe_objc_method_name): Remove decl.
4320 2001-03-19 Tom Tromey <tromey@redhat.com>
4322 * gcc.c (init_gcc_specs): Fix comment.
4324 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4326 Compute DECL_ASSEMBLER_NAME lazily.
4327 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4328 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4329 (SET_DECL_ASSEMBLER_NAME): Likewise.
4330 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4331 (set_decl_assembler_name): Declare.
4332 (lang_set_decl_assembler_name): Likewise.
4333 * tree.c (lang_set_decl_assembler_name): New variab.e
4334 (set_decl_assembler_name): New function.
4335 (init_obstacks): Set lang_set_decl_assembler_name.
4336 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4337 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4338 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4339 where it's not necessary.
4340 (builtin_function): Likewise.
4341 (finish_decl): Likewise.
4342 * dbxout.c (dbxout_type_methods): Likewise.
4343 * ggc-common.c (ggc_mark_trees): Likewise.
4344 * profile.c (output_func_start_profiler): Likewise.
4345 * varasm.c (make_decl_rtl): Likewise.
4347 * cse.c (find_comparison_args): Update documentation. Fix
4348 mishandling of COMPARE operations.
4350 * tree.def (ABS_EXPR): Add documentation.
4351 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4353 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4355 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4357 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4359 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4360 Remove ia32 linux PIC kludge and move it...
4361 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4363 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4365 * i386.md (absdf2 expander): Fix 64bit case.
4367 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4369 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4371 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4373 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4375 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4377 * README.X11: Remove obsolete file.
4379 2001-03-18 Anthony Green <green@redhat.com>
4381 * config/pj/pj.h: Remove some trailing commas.
4382 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4384 2001-03-18 Richard Henderson <rth@redhat.com>
4386 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4387 * calls.c: ... here.
4388 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4389 defaults for them here.
4391 2001-03-17 Anthony Green <green@redhat.com>
4393 * config/pj/lib1funcs.S: Fix broken comment.
4394 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4397 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4399 * gcc.texi: Remove obsolete information relating to build and
4400 installation problems with enquire or the Pyramid C compiler.
4402 2001-03-17 Richard Henderson <rth@redhat.com>
4404 * dwarf2out.c (queue_reg_save): New.
4405 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4406 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4408 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4409 (cfa, cfa_store, cfa_temp): Make static.
4410 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4412 2001-03-17 Richard Henderson <rth@redhat.com>
4414 * integrate.h (struct inline_remap): Add local_return_label.
4415 * integrate.c (expand_inline_function): Initialize it and emit
4416 it after copy_insn_notes.
4417 (copy_insn_list): Don't store local_return_label here.
4418 (copy_insn_notes): New function split out from copy_insn_list.
4420 2001-03-17 Richard Henderson <rth@redhat.com>
4422 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4423 is generating .debug_line.
4424 (dwarf2out_init): Add main_input_filename to the file table first.
4425 * configure.in (as_dwarf2_debug_line): Test with file number 1
4426 instead of file number 0.
4428 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4430 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4431 (gen_rtx_combine): Deleted; all references changed as appropriate.
4432 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4434 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4436 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4438 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4441 2001-03-16 Jim Wilson <wilson@redhat.com>
4443 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4444 then set it to LOC_REG (79) instead of aborting.
4446 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4448 * gccbug.in: Remove high priority.
4450 2001-03-16 Richard Henerson <rth@redhat.com>
4452 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4453 output with a space instead of deleting it.
4454 * configure: Regenerate.
4456 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4458 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4459 handles the gory details of converting an object file into
4460 something that's safe to grep.
4461 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4462 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4463 newlines at either end of the string we're looking for.
4464 Make 'checking ...' message less stilted.
4465 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4466 ARM in-memory layout and its hypothetical converse. Don't
4467 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4468 HOST_WORDS_BIG_ENDIAN.
4470 * configure.in: Adjust for renamed macro. Move
4471 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4472 * configure, config.in: Regenerate.
4474 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4476 * fixinc/Makefile.in: Set SHELL.
4478 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4480 * fixinc/fixincl.c (fix_with_system): Quote file names before
4481 passing them to shell.
4483 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4485 * Makefile.in: Use fix-header$(build_exeext) instead
4488 2001-03-16 Richard Henderson <rth@redhat.com>
4490 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4491 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4492 (size_of_line_prolog): Remove.
4493 (output_line_info): Compute prologue size via label difference.
4494 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4496 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4497 assembler error when redefining file numbers.
4498 * config.in, configure: Rebuild.
4500 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4501 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4502 (dw2_asm_output_delta_uleb128): Likewise.
4503 (dw2_asm_output_delta_sleb128): Similarly.
4504 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4506 2001-03-16 Michael Meissner <meissner@redhat.com>
4508 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4510 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4512 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4514 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4515 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4516 being unsigned in ISO C and signed in traditional.
4517 (expand_prologue): Ditto.
4518 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4520 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4522 (divsi3,divdi3): Ditto.
4523 (modsi3,moddi3): Ditto.
4524 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4525 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4526 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4529 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4531 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4532 SSE based conditional moves on LTGT/UNEQ conditions;
4533 Canonicalize EQ to NE.
4534 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4535 (sse_mov?fcc_ne): New.
4537 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4539 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4541 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4542 register may be dead.
4544 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4546 * Makefile.in (hash.o): Depend on CONFIG_H.
4548 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4550 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4552 2001-03-15 Richard Henderson <rth@redhat.com>
4554 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4555 (ASM_OUTPUT_DWARF_PCREL): New.
4556 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4558 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4560 * cppfiles.c (stack_include_file): Use MAX of sysp.
4562 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4564 * config.gcc (ia64*-*-hpux*): New case.
4565 * config/ia64/hpux.h: New file for HP-UX support.
4566 * config/ia64/t-hpux: New file for HP-UX support.
4568 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4570 * fixinc/inclhack.def (irix_stdio_va_list): New.
4571 * fixinc/fixincl.x: Rebuilt.
4573 2001-03-15 Richard Henderson <rth@redhat.com>
4575 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4576 if provided by the target.
4577 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4578 (dw2_asm_output_addr): New.
4579 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4580 * dwarf2out.c (output_cfi): Use it for program addresses.
4581 (output_call_frame_info, output_die): Likewise.
4582 (output_aranges, output_line_info): Likewise.
4584 2001-03-15 Bruce Korb <bkorb@gnu.org>
4586 * gcc.c(main): make more rigorous
4587 * collect2.c(main): guard against ignoring SIGCHLD
4588 * protoize.c(main): ditto
4589 * gcc/fixinc/fixincl.c(initialize): ditto
4591 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4593 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4594 (sdbout_parms): Likewise.
4596 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4598 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4599 "widen" a destination that is already wider than a word. Also do
4600 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4602 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4604 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4606 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4608 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4610 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4612 * i960.h (i960_maxbitalignment,
4613 i960_last_maxbitalignment): Declare.
4614 * i960.c (i960_maxbitalignment,
4615 i960_last_maxbitalignment): Make global.
4616 (process_pragma): Delete.
4617 (i960_pr_align, i960_pr_noalign): Move from here ...
4618 * i960-c.c: ... to this new file.
4619 * t-960bare (i960-c.o): New rule.
4620 * t-vxworks960 (i960-c.o): Likewise.
4621 * config.gcc (i960-*-*): Define c_target_objs and
4624 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4626 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4627 without adding in rtx code and mode.
4629 * alias.c (init_alias_analysis): Don't use any rtx whose value
4630 varies as a known value.
4631 Delete a superfluous test.
4633 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4635 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4636 scheduling a stop bit.
4637 (ia64_emit_nops): Correctly handle ASMs.
4639 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4641 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4643 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4645 * cpp.texi: Update documentation for -include and -imacros.
4646 * cppfiles.c (struct include_file): Remove "defined" memeber.
4647 (find_or_create_entry): Make a copy of the file name, and
4649 (open_file): Update to ensure we use the simplified filename.
4650 (stack_include_file): Don't set search_from.
4651 (cpp_included): Don't simplify the path name here.
4652 (find_include_file): New prototype. Call search_from to
4653 get the start of the "" include chain. Don't simplify the
4655 (_cpp_execute_include): New prototype. Move diagnostics to
4656 do_include_common. Update.
4657 (_cpp_pop_file_buffer): Don't set defined.
4658 (search_from): New prototype. Use the preprocessor's cwd
4659 for files included from the command line.
4660 (read_name_map): Don't simplify the pathname here.
4661 * cpphash.h (enum include_type): New.
4662 (struct buffer): Delete search from. New search_cached.
4663 (_cpp_execute_include): Update prototype.
4664 * cppinit.c (do_includes): Use _cpp_execute_include.
4665 * cpplib.c (do_include_common): New function.
4666 (do_include, do_include_next, do_import): Use it.
4668 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4670 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4671 contents of the RTL, to determine the name of the object.
4673 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4675 * tree.h (DECL_RTL): Allocate RTL lazily.
4676 (SET_DECL_RTL): New macro.
4677 (DECL_RTL_SET_P): Likewise.
4678 (COPY_DECL_RTL): Likewise.
4679 (DECL_RTL_IF_SET): Likewise.
4680 * varasm.c (make_decl_rtl): Add assertions about the kind of
4681 declaration we are processing.
4682 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4683 (start_decl): Likewise.
4684 (finish_decl): Likewise.
4685 * c-semantics.c (emit_local_var): Likewise.
4686 * calls.c (expand_call): Likewise.
4687 * dbxout.c (dbxout_symbol): Likewise.
4688 * emit-rtl.c (unshare_all_rtl): Likewise.
4689 (unshare_all_decls): Likewise.
4690 (reset_used_decls): Likewise.
4691 * expr.c (store_constructor): Likewise.
4692 (safe_from_p): Likewise.
4693 (expand_expr): Likewise.
4694 * function.c (put_var_into_stack): Likewise.
4695 (instantiate_decls_1): Likewise.
4696 (assign_parms): Likewise.
4697 (expand_function_start): Likewise.
4698 (expand_function_end): Likewise.
4699 * ggc-common.c (gcc_mark_trees): Likewise.
4700 * integrate.c (function_cannot_inline_p): Likewise.
4701 (copy_decl_for_inlining): Likewise.
4702 (expand_inline_function): Likewise.
4703 (integrate_parm_decls): Likewise.
4704 (integrate_decl_tree): Likewise.
4705 * print-tree.c (print_node): Likewise.
4706 * reg-stack.c (stack_result): Likewise.
4707 * stmt.c (label_rtx): Likewise.
4708 (expand_return): Likewise.
4709 (expand_decl): Likewise.
4710 (expand_decl_cleanup): Likewise.
4711 (expand_anon_union_decl): Likewise.
4712 * toplev.c (check_global_declarations): Likewise.
4713 (rest_of_decl_compilation): Likewise.
4714 * tree.c (simple_cst_equal): Likewise.
4715 * objc/objc-act.c (generate_static_references): Likewise.
4717 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4719 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4720 gcc_AC_C_FLOAT_FORMAT): New macros.
4721 * configure.in: Add AC_PROG_CPP after CC tests;
4722 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4723 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4724 * configure, config.in: Regenerate.
4726 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4727 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4728 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4729 config/i370/xm-linux.h, config/i370/xm-oe.h,
4730 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4731 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4732 config/pa/xm-linux.h, config/pa/xm-pa.h,
4733 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4734 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4735 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4736 config/we32k/xm-we32k.h: Delete.
4738 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4739 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4740 config/vax/xm-vms.h: Don't define any of:
4741 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4743 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4745 * config.gcc: Remove references to deleted files.
4746 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4747 FATAL_EXIT_CODE, which is the same between oe and mvs).
4749 2001-03-14 DJ Delorie <dj@redhat.com>
4750 Vladimir Makarov <vmakarov@redhat.com>
4752 * config/i960/i960.c (i960_function_prologue): Compute size of
4753 frame according to number of registers actually saved there.
4755 2001-03-14 Richard Henderson <rth@redhat.com>
4757 * expr.c (emit_move_insn_1): Fix else if around #endif.
4759 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4762 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4765 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4767 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4768 (override_options): Parse cmodel string.
4769 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4770 * i386.h (TARGET_OPTIONS): Add "cmodel".
4771 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4773 (ix86_cmodel_string, ix86_cmodel): Declare.
4775 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4778 * i386.h (GENERAL_REG_P): Add missing REG_P.
4780 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4782 * configure.in: Use $gcc_cv_as instead of $as.
4783 * configure: Regenerated.
4785 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4787 * cppfiles.c (stack_include_file): Only increase the include
4788 count if we actually process the file properly, as opposed
4789 to treating it as length zero. Only call read_include_file
4790 if not DO_NOT_REREAD. Handle the -H include file output
4792 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4793 (cpp_included, find_include_file): Simplify pathnames after
4794 remapping them. If remapping, don't use the remapped file
4795 name's buffer as our scratch buffer.
4796 (cpp_pop_file_buffer): Replace the multiple include macro
4797 only if it isn't yet set.
4798 (read_name_map): Simplify remapped names when reading in.
4799 (remap_filename): Move code to code path that uses it.
4800 (_cpp_simplify_pathname): Return the input pointer.
4801 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4803 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4805 * expr.c (expand_expr): Revove bogus conditional.
4807 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4809 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4811 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4813 * reg-stack.c (stack_result): Unconditionally use
4814 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4816 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4818 * expr.c (emit_move_insn_1): Split push of complex value when
4819 no suitable push instruction exist.
4821 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4822 instead of QI_REG_P.
4824 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4826 * alias.c (handled_component_p, can_address_p): New functions.
4827 (get_alias_set): Use them.
4829 2001-03-13 Jim Wilson <wilson@redhat.com>
4831 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4832 from 80 in try_locals code.
4833 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4835 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4837 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4838 gcc_AC_C_LONG_LONG): New.
4839 * configure.in: Use them. Probe the size of short, int, long,
4840 and long long/__int64 if we have them. Move all the AC_C_*
4841 checks together, except gcc_AC_C_CHAR_BIT which has to go
4842 after AC_CHECK_HEADERS(limits.h).
4843 Take hwint.h out of host_xm_file and build_xm_file.
4845 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4846 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4847 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4848 Move the HOST_WIDEST_INT setup logic here from system.h.
4849 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4851 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4852 is now handled by hwint.h.
4854 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4855 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4856 config/ia64/xm-ia64.h: Don't define any of:
4857 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4858 HOST_BITS_PER_LONGLONG.
4860 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4861 config/h8300/xm-h8300.h, config/mips/iris6.h,
4862 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4863 config/sparc/xm-sp64.h: Delete.
4864 * config.gcc: Remove references to deleted files.
4866 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4867 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4868 * config/i370/xm-linux.h: Clarify floating-point situation in
4871 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4873 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4874 (find_include_file): Decide here which part of the include
4875 chain to start the search. Complain about an empty include
4876 chain in all cases apart from an abolsute file name.
4877 (_cpp_execute_include): Don't choose the search chain here.
4878 Don't call handle_missing_include in the case of an empty
4880 (_cpp_compare_file_date): Don't choose the search chain here.
4881 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4882 here from _cpp_execute_include. Behave like #include if
4883 we're in the main file.
4885 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4887 * system.h (malloc, realloc, calloc, strdup): Only poison these
4888 tokens when IN_GCC is defined.
4890 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4892 * i386.md (abs?f expander): Support SSE case.
4893 (abd?f_if): Add new "USE"; add splitters.
4895 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4897 * cpp.texi (poison): Explain the macro expansion exception.
4899 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4901 * expr.c (store_expr): Add dont_store_target. If temp is already in
4902 target before copying to reg, don't store it into target again.
4904 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4906 * cppinternals.texi: Update for file handling.
4908 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4910 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4911 2001-02-24 which broke building the Java library.
4912 * function.c (identify_blocks): Likewise.
4913 (all_blocks): Likewise.
4914 * integrate.c (integrate_decl_tree): Likewise.
4915 * print-tree.c (print_node): Likewise.
4916 * tree.h (BLOCK_NUMBER): Likewise.
4917 (struct tree_block): Likewise.
4919 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4921 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4922 __WCHAR_TYPE__ definition.
4923 (WCHAR_TYPE_SIZE): #undef before #define.
4925 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4927 * cppfiles.c: Update comments.
4928 (destroy_include_file_node): Rename destroy_node.
4929 (find_or_create_entry): New function.
4930 (open_file, _cpp_fake_include): Use it.
4931 (handle_missing_header): New function, broken out of
4932 _cpp_execute include. Don't segfault if there is no
4933 system or quoted path.
4934 (_cpp_execute_include): Use handle_missing_header.
4936 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4938 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4939 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4941 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4943 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4944 unless anti_dependence says they are.
4945 * alias.c (objects_must_conflict): If neither has a type specified,
4948 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4949 David Billinghurst <David.Billinghurst@riotinto.com>
4951 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4953 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4955 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4956 (*_one_bit): Remove type on the match_operand in attributes.
4958 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4960 * i386.c: Commit forgotten hunk in previous patch.
4961 (regclass_map): Add extended registers.
4962 (dbx_register_map): Add missing frame register.
4964 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4966 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4968 * i386.md (x86_sahf_1): Disable for 64bit.
4969 (popsi*, pophi*): Likewise.
4970 (pushqi, pushhi): Likewise.
4971 (movdi, pushdi): Likewise.
4972 (zero extend DImode splitter): Likewise.
4973 (adddi, minusdi splitter): Likewise.
4974 (umulsidi): Likewise.
4976 (mulsidi): Disable for 64bit
4977 (lshift:DI/ashift:DI): Disable for 64bit.
4978 (loop patterns): Likewise.
4979 (call_pop, call_value_pop expanders and patterns): Likewise.
4980 (prologue_get_pc): Likewise.
4982 (fcmovDI pattern and splitter): Likewise.
4983 (movdfcc_1_rex64): New.
4985 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4987 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4988 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4989 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4990 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4991 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4992 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4993 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4994 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4995 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4996 (REGPARM_MAX): Set to 6 for x86_64.
4997 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4998 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5001 * (patterns that does use upper halves): Update constraints
5002 'q' to 'Q' and 'r' to 'R'.
5003 (cmpqi_ext_1): Disable for 64bit.
5004 (cmpqi_ext_3_insn): Likewise.
5005 (movqi_extzv_1): Likewsie.
5006 (addqi_ext_1): Liekwsie
5007 (testqi_ext_1): Liekwsie
5008 (andqi_ext_1): Liekwsie
5009 (xorqi_ext_1): Liekwsie
5010 (cmpqi_ext_1_rex64): New.
5011 (cmpqi_ext_3_insn_rex64): Likewise.
5012 (movqi_extzv_1_rex64): Likewsie.
5013 (addqi_ext_1_rex64): Liekwsie
5014 (testqi_ext_1_rex64): Liekwsie
5015 (andqi_ext_1_rex64): Liekwsie
5016 (xorqi_ext_1_rex64): Liekwsie
5018 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5020 * configure.in: Move check for unsigned enumerated bitfields
5021 to macro in aclocal.m4. Disable it for now.
5022 * configure, config.in: Regenerate.
5023 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5024 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5025 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5026 kind above its first use.
5028 * config/xm-interix.h, config/alpha/xm-alpha.h,
5029 config/i370/xm-linux.h, config/i386/xm-beos.h,
5030 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5031 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5032 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5033 Don't define ONLY_INT_FIELDS under any circumstances.
5035 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5037 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5038 config/sparc/xm-sysv4.h: Delete - now identical with some
5040 * config.gcc (hppa targets): Replace xm-pahpux.h and
5041 xm-papro.h with implicit xm-pa.h.
5042 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5045 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5047 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5048 before reload_cse_noop_set_p.
5050 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5052 * config.gcc: Where xm-host.h used to include another
5053 xm-host.h, list the nested header directly in xm_file. Remove
5054 references to deleted files. Can now use sparc/xm-sp64.h for
5057 * config/xm-linux.h, config/arm/xm-linux.h,
5058 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5059 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5060 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5061 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5062 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5065 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5066 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5067 bother to wrap #undef in #ifdef.
5068 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5069 Don't include xm-linux.h.
5070 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5072 * configure.in: Wrap regexps using [] in changequote block.
5073 Use expr : not echo | grep. Simplify regexps.
5074 * configure: Regenerate.
5076 56 xm-files remain, 22 xm-arch.
5078 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5080 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5081 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5082 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5083 (copy_object): Fix format specifier vs argument mismatch.
5085 * mips-tdump.c: Make local functions static.
5086 (rindex): Don't #undef.
5087 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5088 (fatal, fancy_abort): Delete.
5089 (read_seek): Avoid signed/unsigned compare.
5091 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5093 * combine.c (try_combine): Fix error in change to try original
5095 (gen_rtx_combine): Do same as gen_rtx for now.
5097 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5099 * configure.in: AC_SUBST xm_defines.
5100 * configure: Regenerate.
5101 * Makefile.in: Set DEFINES=$(xm_defines) when building
5104 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5106 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5107 (cpp_included, find_include_file): Update.
5108 (_cpp_compare_file_date): Make else unconditional.
5110 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5112 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5114 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5116 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5117 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5119 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5121 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5122 if it's a record type.
5124 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5126 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5127 mingw includes slightly.
5129 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5131 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5132 #undef token before poisoning it.
5134 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5136 * alpha.c (check_float_value): Use memcpy, not bcopy.
5138 * m32r.c (m32r_sched_reorder): Likewise.
5140 * vax.c (check_float_value): Likewise.
5142 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5144 * toplev.c (file_name_nondirectory): Remove.
5145 * toplev.h: Similarly.
5146 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5147 of file_name_nondirectory.
5149 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5151 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5152 * mips-tfile.c: Don't #undef rindex; not used.
5154 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5156 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5157 (dbx64_register_map): Declare.
5158 (RETURN_ADDR_RTX): Fix for 64bit.
5159 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5160 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5161 * i386.c (dbx64_register_map): New global array.
5162 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5163 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5166 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5168 * cppfiles.c (search_from): Use lbasename.
5169 * mkdeps.c (deps_add_default_target): Use lbasename.
5171 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5174 xcalloc in lieu of malloc, realloc & calloc.
5176 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5178 * gengenrtl.c (xmalloc): Likewise.
5180 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5181 really_call_* memory allocation routines.
5183 * stmt.c (check_for_full_enumeration_handling): Use
5184 really_call_calloc, not calloc.
5186 * system.h (really_call_malloc, really_call_calloc,
5187 really_call_realloc): Define.
5188 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5190 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5192 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5194 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5196 * configure: Rebuilt.
5197 * configure.in: Only use `lang_requires' for languages athat are
5200 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5202 * invoke.texi: Fix typo.
5203 * gcc.1: Regenerate.
5205 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5207 * configure.in: Prune nonexistent files from build_xm_file,
5208 xm_file, and host_xm_file lists. Warn unless they're
5210 Don't generate *config.h here.
5211 AC_SUBST all variables needed to generate *config.h.
5212 * configure: Regenerate.
5213 * mkconfig.sh: New helper script, from code removed from
5215 * Makefile.in: Zap all MALLOC variables - no longer used
5216 anywhere, and malloc.c doesn't exist.
5217 Substitute in variables needed to generate *config.h.
5218 Stop lying about the dependencies contained in CONFIG_H and
5220 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5221 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5222 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5223 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5224 $(TM_P_H), etc. as appropriate.
5226 * config.gcc: Zap references to deleted files.
5227 * ggc-none.c: Don't include rtl.h or tm_p.h.
5229 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5230 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5231 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5232 config/i386/xm-linux.h, config/i386/xm-linux.h,
5233 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5234 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5235 Don't include i386/xm-i386.h.
5237 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5238 config/i386/xm-i386.h, config/i860/xm-i860.h,
5239 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5240 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5241 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5242 Delete (empty except comments, #includes of other deleted
5243 files, and macros used nowhere).
5245 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5247 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5248 independent on TARGET_FLAGS.
5250 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5252 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5254 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5256 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5258 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5259 LAST_REX_SSE_REG): define.
5260 (enum reg_class): Add 'LEGACY_REGS'
5261 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5262 (SSE_REGNO_P): Recognize extended registers.
5263 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5264 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5265 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5266 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5267 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5268 REG_OK_FOR_STRREG_P): Remove.
5269 (HI_REGISTER_NAMES): Add extended registers.
5270 (ADDITIONAL_REGISTER_NAMES): Likewise.
5271 (QI_REGISTER_NAMES): Add 8bit extended registers.
5272 (DEBUG_REG): Support extended registers.
5273 * i386.c (regclass_map): Add extended registers.
5274 (dbx_register-map): Likewise.
5275 (svr4_dbx_register_map): Likewise.
5276 (print_reg): Support extended registers.
5277 (print_operand): Support 64bit operands.
5279 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5281 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5282 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5283 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5284 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5285 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5286 STACK_BOUNDARY): Set properly for 64bits.
5287 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5288 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5289 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5290 (MOVE_MAX): Set to 16.
5291 (MOVE_MAX_PIECES): 8 for 64bit.
5292 (Pmode): Set to SImode.
5294 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5296 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5298 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5300 * i386.h (mask_64bit): New constant.
5301 (target_64bit): New macro.
5302 (target_options): Add '64'/'32'
5303 (target_default): Define.
5304 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5305 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5306 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5308 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5310 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5312 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5314 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5315 LO_SUM unless for_alias is set.
5317 2001-03-08 Stan Shebs <shebs@apple.com>
5319 * objc/objc-act.c: Fix old typos in comments, add comments for
5321 (hash_init): Fix file name in error message.
5322 (hash_enter): Ditto.
5323 (hash_add_attr): Ditto.
5324 (continue_class): Ditto.
5326 2001-03-08 Bruce Korb <bkorb@gnu.org>
5328 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5329 wait4() can receive the signal.
5331 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5333 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5335 * fixinc/fixincl.x: Regenerate.
5337 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5339 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5341 * fixinc/fixincl.x: Regenerate.
5343 2001-03-08 Richard Henderson <rth@redhat.com>
5345 * configure.in (HAVE_AS_LEB128): New assembler check.
5346 * configure, config.in: Rebuilt.
5348 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5350 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5353 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5355 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5356 references to the MAXPATHLEN macro.
5358 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5359 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5362 * config/i386/xm-gnu.h, config/xm-gnu.h,
5363 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5364 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5365 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5366 and/or unused files.
5368 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5369 doing so in various xm-*.h files.
5371 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5373 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5375 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5377 * configure.in (enable_shared): Support per-package shared-library
5379 * configure: Rebuilt.
5381 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5383 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5384 for crnot. Set operands[5] in splitter.
5386 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5388 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5389 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5390 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5391 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5392 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5393 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5394 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5397 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5398 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5399 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5400 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5401 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5402 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5403 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5404 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5405 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5406 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5407 Delete unused and/or empty files.
5409 * config.gcc: Define USG in xm_defines as appropriate. Define
5410 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5411 macro. Remove deleted xm-* files from $xm_files variable.
5413 2001-03-07 Tom Tromey <tromey@redhat.com>
5415 * configure: Rebuilt.
5416 * configure.in: Allow config-lang.in to set `lang_requires' to list
5417 of other required languages.
5419 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5421 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5423 (output_prologue): Use xmalloc not oballoc.
5424 (output_epilog): Free a29k_first_epilogue_insn when finished.
5425 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5427 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5429 * builtins.c (expand_builtin_mathfn): Check
5430 flag_unsafe_math_optimizations, not flag_fast_math.
5431 (expand_builtin): Likewise
5432 * combine.c (combine_simplify_rtx): Likewise.
5433 (simplify_if_then_else): Likewise.
5434 * cse.c (fold_rtx): Likewise.
5435 * flags.h: Remove flag_fast_math. Add
5436 flag_unsafe_math_optimizations and flag_trapping_math.
5437 * fold-const.c (negate_expr): Check
5438 flag_unsafe_math_optimizations, not flag_fast_math.
5439 (invert_truthvalue): Likewise.
5440 (fold): Likewise. Before associating operands, check that
5441 code == MULT_EXPR, not code != MULT_EXPR.
5442 * ifcvt.c (noce_try_minmax): Check
5443 flag_unsafe_math_optimizations, not flag_fast_math.
5444 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5445 * invoke.texi: Document -funsafe-math-optimizations and
5446 -fno-trapping-math. Change documentation for -ffast-math.
5447 * jump.c (reversed_comparison_code_parts): Likewise.
5448 (rtx_equal_for_thread_p): Likewise.
5449 * optabs.c (emit_conditional_move): Likewise.
5450 * simplify-rtx.c (simplify_binary_operation): Likewise.
5451 (simplify_relational_operation): Likewise.
5452 (simplify_ternary_operation): Likewise.
5453 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5454 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5455 Add trapping-math and unsafe-math-optimizations entries to f_options.
5456 (set_fast_math_flags): New, sets flags for -ffast-math.
5457 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5458 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5459 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5461 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5462 (alpha_emit_conditional_move): Initialize local_fast_math to
5463 flag_unsafe_math_optimizations, not flat_fast_math.
5464 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5465 instead of setting flag_fast_math to 1.
5466 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5468 * config/i386/i386.c (override_options): Likewise
5469 * config/i386/i386.md: Likewise.
5470 * config/m68k/m68k.md: Likewise.
5471 * config/mips/mips.md: Likewise.
5472 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5473 (rs6000_generate_compare): Likewise.
5475 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5477 * Makefile.in: Set RANLIB to @RANLIB@.
5480 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5482 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5483 * fixinc/fixincl.x: Regenerated.
5485 2001-03-07 Richard Henderson <rth@redhat.com>
5487 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5489 2001-03-07 Richard Henderson <rth@redhat.com>
5491 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5492 of block notes and exception handling notes.
5494 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5495 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5496 (compile_file): ... here.
5498 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5500 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5502 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5503 config.h now. Include libiberty.h to handle alloca.
5505 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5507 * c-parse.in (yylexname): New function, split out of _yylex.
5508 (objc_rid_sans_at): New table.
5509 (init_reswords): Initialize it.
5510 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5511 retrieving the next token and checking it for significance as
5512 an ObjC keyword or string constant.
5514 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5515 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5517 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5520 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5522 * config/m68k/m68k.c (const_uint32_operand): Accept any
5523 const_int on a 32-bit host.
5525 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5527 * objc/objc-act.c (init_objc): Set save_lang_status,
5528 restore_lang_status, and mark_lang_status.
5530 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5532 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5534 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5536 * cppinternals.texi: Update.
5538 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5540 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5541 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5542 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5543 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5544 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5545 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5546 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5547 config/i386/xm-i386.h, config/i860/xm-i860.h,
5548 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5549 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5550 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5551 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5552 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5553 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5554 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5555 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5556 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5557 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5558 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5559 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5560 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5561 match the defaults provided in hwint.h.
5563 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5564 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5566 * config.gcc (xm_file): Don't set to files which are deleted.
5568 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5569 guard this file against these macros being undefined.
5571 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5573 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5574 and DECL_DEFER_OUTPUT on the decl we create, before calling
5575 rest_of_decl_compilation.
5577 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5579 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5581 * configure, config.in: Regenerate.
5582 * config.gcc: Remove references to deleted files.
5584 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5585 genrecog.c, rtl.c: Do not use alloca anywhere.
5587 * Makefile.in, build-make, system.h, config/x-interix,
5588 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5589 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5590 config/arc/xm-arc.h, config/arm/xm-arm.h,
5591 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5592 config/h8300/xm-h8300.h, config/i370/x-oe,
5593 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5594 config/i386/x-ncr3000, config/i386/x-sco5,
5595 config/i386/xm-dgux.h, config/i860/x-sysv4,
5596 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5597 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5598 config/m68k/x-hp320g, config/m69k/x-mot3300,
5599 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5600 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5601 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5602 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5603 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5604 config/mips/x-iris, config/mips/x-iris3,
5605 config/mips/x-sni-svr4, config/mips/x-sysv,
5606 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5607 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5608 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5609 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5610 config/pa/xm-papro.h, config/romp/xm-romp.h,
5611 config/rs6000/x-aix31, config/rs6000/x-aix41,
5612 config/rs6000/x-beos, config/rs6000/x-lynx,
5613 config/rs6000/x-mach, config/rs6000/x-rs6000,
5614 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5615 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5616 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5617 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5618 config/vax/xm-vms.h: Eradicate all references to alloca and
5621 * config/xm-alloca.h, config/clipper/x-clix,
5622 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5623 config/i860/x-sysv3, config/m88k/x-sysv3,
5624 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5625 (contained only alloca related hacks).
5627 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5630 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5632 * invoke.texi: Document __FAST_MATH__.
5634 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5636 * crtstuff.c: Restore include of auto-host.h.
5638 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5640 Put main() in a separate file, so that the language
5641 front-end can use a different main().
5644 * toplev.c: (main): Rename as toplev_main.
5645 * toplev.h: Declare toplev_main.
5646 * Makefile.in (OBJS): add toplev.o.
5647 (BACKEND): remove toplev.o, add main.o.
5649 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5651 * cppfiles.c (search_from): Special case the empty string.
5653 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5655 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5656 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5657 strlen or strcpy; we already know the length.
5658 (_cpp_compare_file_date): Similarly.
5659 * cpphash.h (struct cpp_reader): Delete done_initialising.
5660 (CPP_PREV_BUFFER): Delete.
5661 * cppinit.c (cpp_start_read): Don't set done_initialising.
5662 * cpplex.c (parse_string): Guarantee null-termination.
5663 (_cpp_equiv_toklists): Remove.
5664 * cpplib.c (glue_header_name): Null-terminate.
5665 (do_line): Don't leak memory.
5666 * cpplib.h (BT_WEAK): Delete.
5667 * cppmain.c (cb_ident): Strings are now null-terminated.
5669 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5671 * gcc.c (convert_filename): Append executable suffix
5672 if NO_AUTO_EXE_SUFFIX is not defined.
5673 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5674 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5676 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5678 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5679 * c-parse.gperf, c-gperf.h: Delete.
5680 (c-gperf.h was accidently re-added to the CVS repo in the rev
5681 1.16 commit by tromey)
5683 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5685 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5686 macro arguments when looking for the '('.
5687 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5688 2 when really parsing arguments; 1 when looking for '('.
5689 Always restore the lexer position.
5691 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5693 * longlong.h (umul_ppmm): Don't use a multiline string.
5695 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5697 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5698 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5699 t_bool in declaration because pcc can't combine volatile with typedef
5702 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5704 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5705 until when it is really needed.
5706 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5707 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5708 * i386.md (float?i?f splitter): Don't force source operand to memory
5710 (sse_movdfcc): Fix constraint.
5711 (sse_movdfcc splitter): Handle properly the second alternative.
5713 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5715 * cpplex.c (parse_string): Unconditionally pedwarn.
5717 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5720 * cppexp.c (parse_number): Update.
5721 * cpplex.c (parse_string): Pedwarn if multiline string does not
5722 result from a system header's macro.
5723 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5724 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5725 for function-like macros too.
5726 * c-lex.c (lex_number): Update.
5728 2001-03-03 Richard Henderson <rth@redhat.com>
5730 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5732 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5734 * combine.c (try_combine): If split with mode-changed scratch
5735 register didn't work, try the original mode.
5737 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5739 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5740 * config/c4x/c4x.h: Likewise.
5741 * stor-layout.c (compute_record_mode): Likewise.
5742 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5744 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5746 * configure.in: Kill tm.h. Include the files in the $tm_file
5747 list in all three of config.h, hconfig.h, tconfig.h, after the
5748 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5749 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5750 * configure: Regenerate.
5751 * Makefile.in (clean): Don't delete tm.h.
5753 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5754 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5755 those are not defined, set SEC and FEC to 0 and 1.
5756 * gcc.texi: Update to match.
5758 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5759 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5760 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5761 Include tconfig.h, not tm.h.
5763 * config/xm-lynx.h, config/xm-std32.h,
5764 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5765 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5766 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5767 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5768 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5769 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5770 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5771 config/i386/xm-i386.h, config/i860/xm-i860.h,
5772 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5773 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5774 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5775 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5776 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5777 config/pa/xm-linux.h, config/pa/xm-pa.h,
5778 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5779 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5780 config/pj/xm-pj.h, config/romp/xm-romp.h,
5781 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5782 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5783 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5784 config/v850/xm-v850.h, config/vax/xm-vax.h,
5785 config/we32k/xm-we32k.h:
5787 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5789 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5790 config/i370/xm-oe.h: Don't include tm.h. Don't define
5792 * config/vax/xm-vms.h: Don't include tm.h.
5794 * config/xm-lynx.h, config/avr/xm-avr.h,
5795 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5796 Delete; made empty by above changes.
5797 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5798 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5799 Don't include config/xm-lynx.h or tm.h.
5801 * config/xm-gnu.h: Don't include fcntl.h.
5802 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5804 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5806 2001-03-02 Richard Henderson <rth@redhat.com>
5808 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5809 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5811 2001-03-02 Richard Henderson <rth@redhat.com>
5813 * Makefile.in (OBJS): Add dwarf2asm.o.
5814 * dwarf2asm.c, dwarf2asm.h: New files.
5815 * dwarf2out.c (*): Use them.
5816 (size_of_uleb128, size_of_sleb128): Remove.
5817 (output_uleb128, output_sleb128): Remove.
5818 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5819 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5820 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5821 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5822 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5823 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5824 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5825 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5826 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5827 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5828 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5829 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5830 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5831 (dwarf2out_frame_debug): Remove unused variables.
5832 (output_loc_operands): Don't abort on 8 byte constants if
5833 host integers are wide enough.
5834 (output_symbolic_ref): Remove.
5835 (size_of_die): Don't assume 4 byte host integers.
5836 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5838 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5839 something stupid with HOST_WIDE_INT to long truncation.
5840 [CONST_DOUBLE]: Likewise.
5842 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5843 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5844 * config/arm/unknown-elf.h: Likewise.
5845 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5846 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5847 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5848 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5849 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5850 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5851 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5852 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5853 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5854 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5855 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5856 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5858 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5860 * cselib.c (hash_rtx): Cast enums to unsigned int.
5862 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5864 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5865 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5867 * c-format.c (C_STD_VER): Cast to int for comparisons.
5868 (check_function_format): Cast various enums to int for &.
5869 (maybe_read_dollar_number): Likewise.
5870 (check_format_info): Likewise.
5871 (check_format_info_main): Likewise.
5872 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5873 (safe_from_p): Likewise.
5874 * varasm.c (const_hash): Cast enum to int for %.
5875 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5876 pcc enum problems with < and ++ operators.
5877 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5878 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5879 (regclass_init): Change enum class to int to iterate over reg_classes.
5880 * genrecog.c (merge_trees): Cast enums for comparison.
5881 * rtl.h (GET_CODE): Cast to enum rtx_code.
5882 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5883 (GET_MODE): Cast to enum machine_mode.
5884 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5885 (GET_NOTE_INSN_NAME): Cast enum to int.
5886 * tree.h (TREE_CODE): Cast to enum tree_code.
5887 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5888 * timevar.c (timevar_print): Change loop variable id from enum to
5890 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5891 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5892 * toplev.c (compile_file): Cast enum DFI to int.
5893 (decode_d_option): Likewise.
5895 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5897 * cppinit.c (append_include_chain): Mark "after" include file name list
5898 as a system directory.
5899 * cpp.texi: Document new behavior.
5901 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5903 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5905 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5907 * cppfiles.c (struct include_file): Update.
5908 (stack_include_file): Use search_from.
5909 (cpp_included, find_include_file): Update.
5910 (cpp_execute_include): Update. ptr->name may not be
5911 null terminated. Use the new search_from member variable
5913 (_cpp_compare_file_date): Similarly.
5914 (search_from): New function, similiar to actual_directory.
5915 (actual_directory): Delete.
5916 (remap_filename): Update. loc->name may not be null terminated.
5917 (struct file_name_list): Rename search_path. Update.
5918 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5919 search_from and dir.
5920 (struct cpp_reader): Remove actual_dirs.
5921 * cppinit.c (struct cpp_pending): Update for renamed objects.
5922 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5923 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5924 * cpplib.h (struct cpp_options): Similarly.
5926 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5928 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5929 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5930 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5931 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5932 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5933 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5934 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5935 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5936 config/i370/xm-oe.h, config/i386/xm-aix.h,
5937 config/i386/xm-i386.h, config/i386/xm-osf.h,
5938 config/i860/xm-i860.h, config/i960/xm-i960.h,
5939 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5940 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5941 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5942 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5943 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5944 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5945 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5946 config/pj/xm-pj.h, config/romp/xm-romp.h,
5947 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5948 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5949 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5950 config/v850/xm-v850.h, config/vax/xm-vax.h,
5951 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5952 Do not define TRUE or FALSE.
5954 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5955 empty by above change.
5956 * config.gcc: Remove references to these files.
5958 * configure.in: Detect stdbool.h.
5959 * configure, config.in: Regenerate.
5960 * system.h: Include stddef.h here if available.
5961 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5962 Then set up a sensible boolean type at the very end.
5964 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5965 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5967 * hash.h: Delete 'boolean' typedef and related #undefs.
5969 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5970 all uses of 'boolean' with 'bool'.
5972 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5974 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5975 * cppexp.c (lex): Cast enums for comparison.
5976 * cppinit.c (parse_option): Cast enum for comparison.
5977 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5978 (cpp_output_token): Likewise.
5979 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5980 (cpp_avoid_paste): Cast enums for minus and comparison.
5982 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5984 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5985 field to all array elements.
5987 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5989 * cpphash.h (struct cpp_reader): Add print_version field.
5990 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5991 just set print_version and other flags as appropriate.
5992 (cpp_post_options): Print version here if print_version is set.
5994 * toplev.c (exit_after_options): New flag.
5995 (independent_decode_option): Don't exit here; just set
5997 (main): Exit after calling lang_hooks.post_options if
5998 exit_after_options is true.
6000 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6001 (merge_include_chains): Adjust comment to match code.
6003 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6005 * stringpool.c (set_identifier): New function.
6006 * tree.h: Prototype it.
6008 * c-parse.in: Kill D_YES. If compiled for objc, call
6009 save_and_forget_protocol_qualifiers from init_reswords.
6010 * objc/objc-act.c (remember_protocol_qualifiers,
6011 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6012 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6014 (save_and_forget_protocol_qualifiers): New function.
6015 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6017 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6019 * c-semantics.c (prune_unused_decls): Return error_mark_node
6020 instead of (tree) 1 to stop traversing the tree chain.
6022 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6024 Fix a problem introduced by Kenner's Feb 18 change.
6025 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6026 flag_cse_skip_blocks only temporarily, not for ever.
6028 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6030 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6031 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6033 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6034 before determining its register class.
6036 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6038 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6039 from reg 4 if current_function_calls_setjmp.
6040 (gen_nop_type): New function.
6041 (ia64_emit_nops): New function.
6042 (ia64_reorg): Call it.
6043 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6045 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6046 code not to try to optimize adds with anything but a REG destination.
6048 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6049 (INSN_PRIORITY_KNOWN): New accessor macro.
6050 * haifa-sched.c (priority): Use it instead of testing priority against
6053 2001-02-28 DJ Delorie <dj@redhat.com>
6055 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6056 since that doesn't work the way gcc wants on a generic m68k.
6058 2001-02-28 Richard Henderson <rth@redhat.com>
6060 * caller-save.c (save_call_clobbered_regs): Fix typo in
6061 comparison last change.
6063 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6065 * i386.c (pentium4_cost): New.
6066 (m_PENT4): New macro.
6067 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6068 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6069 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6070 x86_memory_mismatch_stall): Add Pentium4
6071 (x86_use_q_reg, x86_use_any_reg): Kill.
6072 (override_options): Add pentium4.
6073 (incdec_operand): Return 0 for pentium4.
6074 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6075 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6076 (TARGET_PENTIUM4): Define.
6077 (enum processor_type): Add PROCESSOR_PENTIUM4.
6078 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6079 * i386.md (attribute "cpu"): Add pentium4.
6080 * invoke.texi (march): Add pentium4.
6082 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6084 * i386.md (sse_mov?fcc*): New patterns and splitters.
6085 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6086 the SSE based conditional moves.
6088 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6090 * i386.md (attribute mode): Add "TI".
6091 (movsf_1): Add pxor support; remove constant propagation splitter.
6092 (movdf_integer): Likewise.
6093 (movdf_nointeger): Likewise.
6094 (movxf constant prop splitter): Handle all modes; update for SSE.
6095 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6096 * i386.c (standard_80387_constant_p): Rewrite.
6097 (standard_sse_constant_p): New.
6098 * i386-protos.h (standard_sse_constant_p): New.
6100 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6102 * i386.md (sse_setccsf, sse_setccdf): New.
6103 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6105 * i386.c (sse_comparison_operator): Accept the supported unordered
6106 comparses; be ready for fast_math.
6107 (print_operand): Support 'D'.
6109 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6111 * jump.c (reversed_comparison_code): Kill.
6113 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6115 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6118 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6120 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6121 add missing '%' in constraints.
6123 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6125 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6126 for HOST_BITS_PER_WIDE_INT == 32 too.
6128 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6130 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6132 (insert_save, insert_restore): New parameter save_mode.
6133 (init_caller_save): Update initialization of reg_save_code
6134 and reg_restore_code.
6135 (save_call_clobbered_regs): Compute save_modes and update calls to
6136 reg_save_code and reg_restore_code.
6137 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6138 of spill; update use of reg_restore_code.
6139 (insert_save): Likewise.
6140 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6141 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6142 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6144 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6146 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6147 noce_try_store_flag_inc, noce_try_store_flag_mask,
6148 noce_try_cmove_arith):
6149 Use reversed_comparison_code instead of reverse_comparison and
6150 can_reverse_comparison_p.
6152 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6154 * jump.c (reversed_comparison_code_parts): Allow reversal of
6155 unordered compares in -ffast-math mode; reverse ordered compares
6156 for FP even w/o -ffast-math.
6158 2001-02-27 Richard Henderson <rth@redhat.com>
6160 * print-rtl.c (print_rtx) [i]: Don't print field five on
6161 NOTEs other than NOTE_INSN_DELETED_LABEL.
6163 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6165 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6166 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6168 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6170 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6171 even if walk_subtrees is 0.
6172 * c-semantics.c (prune_unused_decls): Return a non-null value to
6173 stop traversing the tree chain.
6175 2001-02-27 DJ Delorie <dj@redhat.com>
6177 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6178 register, *then* define it as the new CFA.
6180 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6182 * pa.c (override_options): Promote -fpic to -fPIC.
6183 (legitimize_pic_address): Simplify due to removal of
6184 small PIC as a code generation option.
6185 (secondary_reload_class): Similarly.
6186 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6187 (PRINT_OPERAND_ADDRESS): Similarly.
6188 * pa.md (various patterns): Similarly.
6189 (small pic lo_sum pattern): Remove.
6191 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6194 * md.texi (min, max): Document
6196 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6198 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6199 TARGET_PARTIAL_REG_DEPENDENCY.
6200 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6202 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6204 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6206 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6208 * mips.c (mips_make_temp_file): Fix thinko in last change.
6210 2001-02-26 Jason Eckhardt <jle@redhat.com>
6212 * combine.c (known_cond): Do not reverse the condition when
6213 SMAX/UMAX is being considered and the condition is for equality
6216 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6218 2001-02-26 Philip Blundell <philb@gnu.org>
6220 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6222 * config/arm/linux-elf.h: Remove historical relics related to
6223 above configurations.
6224 * config/arm/linux-oldld.h: Delete.
6225 * config/arm/linux-elf26.h: Delete.
6227 2001-02-26 Jason Merrill <jason@redhat.com>
6229 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6231 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6232 recognize a tentative definition. Lose obsolete code.
6234 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6235 variables unless necessary, either.
6237 2001-02-25 Richard Henderson <rth@redhat.com>
6239 * ifcvt.c (struct noce_if_info): Add test_bb.
6240 (noce_get_alt_condition): New.
6241 (noce_try_minmax, noce_try_abs): New.
6242 (noce_operand_ok): New.
6243 (noce_process_if_block): Use them.
6244 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6246 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6248 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6251 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6253 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6254 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6256 (mips_asm_file_end): Free temp_filename here.
6258 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6260 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6261 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6263 * config/i386/i386.md (movstrsi): Handle FAIL case.
6265 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6267 * cppinit.c (builtin_array): Update.
6268 (init_builtins): Flag builtins to warn if redefined or
6269 undefined. Define __GXX_WEAK as a normal macro.
6270 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6271 * cpplib.h (NODE_WARN): New flag.
6272 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6273 Handle __STDC__ as a builtin only on Solaris.
6274 (warn_of_redefinition): Renamed from check_macro_definition.
6275 Reverse sense of test. Always warn if NODE_WARN.
6276 (_cpp_create_definition): Use warn_of_redefinition. Flag
6277 any macro beginning with "__STDC_" to require a mandatory
6278 warning if redefined or undefined.
6280 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6282 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6283 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6284 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6285 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6286 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6287 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6288 Don't define any of:
6289 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6290 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6291 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6292 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6293 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6295 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6296 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6299 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6300 Delete now-empty file.
6302 * alpha/vms.h: Define NEED_ATEXIT here...
6303 * alpha/xm-vms.h: ...not here.
6305 * i386/cygwin.h: Don't define PARAMS.
6306 * mips/mips.c: Don't prototype mktemp. Don't define
6307 P_tmpdir. Use make_temp_file to create temporary files.
6308 Don't be clever and delete temporary files early.
6309 * config.gcc: Drop references to deleted files. Don't define
6311 * gcc.texi: Don't mention USE_PROTOTYPES.
6313 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6315 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6316 (ix86_set_move_mem_attrs_1): Likewise.
6317 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6318 * config/i386/i386.md (movstrsi): Call it.
6320 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6322 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6323 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6324 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6325 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6327 (i750a-*-*): Error here if hosting on i750a.
6328 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6330 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6331 Remove (empty modulo comments).
6333 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6334 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6335 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6336 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6337 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6338 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6340 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6341 Remove reference to winnt.h in comment.
6342 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6344 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6346 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6347 used to set another biv.
6349 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6351 * tree.h (BLOCK_DEAD): New macro.
6352 (struct tree_block): New flag, dead_flag.
6353 * print-tree.c (print_node, case 'b'): Print missing fields.
6354 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6355 * function.c (identify_blocks): Enable test for misplaced notes.
6356 (all_blocks): Skip BLOCK_DEAD blocks.
6357 * integrate.c (integrate_decl_tree): Likewise.
6359 * errors.c (internal_error, trim_filename): New functions.
6360 (fancy_abort): Call internal_error.
6361 * errors.h (internal_error, trim_filename): New declarations.
6363 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6365 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6367 (EXTRA_CONSTRAINT): Formatting changes.
6369 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6371 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6373 2001-02-23 Per Bothner <per@bothner.com>
6375 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6376 so they can be called from java/jvspec.c.
6377 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6379 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6381 * i386.c (ix86_frame): New structure.
6382 (ix86_compute_frame_size): Kill.
6383 (ix86_compute_frame_layout): New.
6384 (ix86_save_reg): New.
6385 (ix86_can_use_return_insn_p): Use frame layout stuff.
6386 (ix86_expand_prologue): Likewise.
6387 (ix86_expand_epilogue): Likewise.
6388 (ix86_initial_elimination_offset): Likewise.
6389 (ix86_nsaved_regs): Use ix86_save_reg.
6390 (ix86_emit_save_regs): Likewise.
6392 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6394 * flow.c (find_sub_basic_blocks): New function.
6395 (split_block): Be ready for basic block introduced by CODE_LABEL.
6396 (commit_one_edge_insertion): Call find_sub_basic_block.
6398 * flow.c (make_edges): Add edge from entry for blocks starting with
6399 label having ALTERNATE_NAME
6401 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6403 * function.c (epilogue_done): Be ready for first basic block not
6404 containing PROLOGUE_END note.
6405 (reposition_prologue_and_epilogue_notes): Avoid placing
6406 PROLOGUE_END note between BASIC_BLOCK.
6408 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6410 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6412 2001-02-21 DJ Delorie <dj@redhat.com>
6414 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6415 check for current_function_has_nonlocal_goto from 1999-11-12.
6417 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6419 * diagnostic.c (trim_filename): No longer static.
6420 * toplev.h (trim_filename): Declare.
6421 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6422 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6423 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6424 (rtvec_check_failed_bounds): Likewise.
6425 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6427 * convert.c (convert_to_integer): Don't do unsigned unless result or
6428 both inputs are unsigned.
6430 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6433 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6435 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6437 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6439 * Makefile.in (resource.o): Add params.h dependence.
6440 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6441 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6442 * resource.c: Add dependence on params.h.
6443 (current_live_regs): Fix explanatory comment.
6444 (find_basic_block): Add new parameter to permit limiting search
6446 (mark_target_live_regs): Add new argument to find_basic_block call.
6447 (incr_ticks_for_insn): Likewise.
6449 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6451 * diagnostic.c (output_to_stream): Rename to
6452 output_buffer_to_stream. Loses the stream parameter.
6453 (init_output_buffer): Set diagnosic_buffer's stream.
6454 (flush_diagnostic_buffer): Adjust.
6455 (default_print_error_function): Likewise.
6456 (finish_diagnostic): Likewise.
6457 (verbatim): Likewise.
6459 * diagnostic.h (struct output_buffer): Add `stream' field.
6460 (output_buffer_attached_stream): New macro.
6462 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6464 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6465 check if either operand is divisible by C.
6466 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6467 If type is signed, consider negative numbers as well.
6469 2001-02-22 Richard Henderson <rth@redhat.com>
6471 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6472 reach .text instead of gp-relative relocs.
6473 * config/ia64/crtend.asm (.init): Likewise.
6475 2001-02-22 Andreas Jaeger <aj@suse.de>
6477 * extend.texi (C++ Attributes): Fix typo.
6479 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6481 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6482 functions, drop current_function_args_info.words test.
6483 (ia64_compute_frame_size): Mark syscall_linkage functions as
6484 using eight input registers.
6486 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6487 Bruce Korb <bkorb@gnu.org>
6489 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6490 * fixinc/README: Document how to convert sed substitutions
6491 to format style c_fix-es.
6492 * fixinc/fixincl.x: regen
6494 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6496 * gcc.c: Add comment explaining how to add a command-line option.
6497 Add title to specs language comment.
6499 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6501 * gcc.c (cc1_options): Add "-param".
6502 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6503 (option_map): Likewise.
6504 * toplev.c (display_help): Add entry for "--param".
6505 (independent_decode_option): Fix typographical error.
6507 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6508 Bernd Schmidt <bernds@redhat.com>
6509 Jan Hubicka <jh@suse.cz>
6511 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6512 (function_arg): Likewise.
6514 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6516 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6518 2001-02-21 Kazu Hirata <kazu@hxi.com>
6520 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6524 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6526 * flow.c (init_propagate_block_info): Canon address and use single_set
6527 for killing dead memory stores.
6529 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6531 * Makefile.in (reorg.o): Add params.h dependence.
6532 * params.def: Fix typographical error in comment.
6533 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6534 * params.h: Modify introductory comment.
6535 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6536 * reorg.c: Add dependence on params.h.
6537 (redundant_insn): Add parameterized throttle for search.
6538 (fill_simple_delay_slots): Add a comment explaining a variable.
6539 Move conditional out of loop, simplifying code.
6540 (fill_eager_delay_slots): Fix typographical error in comment.
6542 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6544 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6546 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6547 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6549 2001-02-21 Jason Merrill <jason@redhat.com>
6551 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6552 (struct tree_decl): Add uninlinable bitfield.
6553 * c-decl.c (duplicate_decls): Set it.
6554 * integrate.c (function_cannot_inline_p): Check it.
6556 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6557 DW_AT_MIPS_linkage_name to abstract methods.
6558 (dwarf2out_abstract_function): Emit class context before calling
6559 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6560 (gen_subprogram_die): Remove obsolete code.
6561 (gen_member_die): Don't include clones in the member list.
6562 (gen_decl_die): Emit abstract info for clone origin.
6563 * dwarfout.c (output_type): Don't include clones in the member list.
6564 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6565 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6566 DECL_ABSTRACT on a function that already has it set.
6568 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6569 (get_subprogram_die): Pass it in.
6571 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6573 * flow.c (mark_set_1): Make not_dead unsigned long. For
6574 non-pseudos, use it as a bitmask of the hard regs that
6577 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6579 * cppfiles.c: Update comments.
6580 (_cpp_read_file): Don't check for NULL filenames any more.
6581 * cppinit.c (cpp_start_read): Don't do canonicalization of
6582 in_fname and out_fname. Use the passed file name exclusively.
6583 (_cpp_handle_options): Don't treat "-" as a command line option,
6584 but as a normal filename.
6585 (_cpp_post_options): Canonicalize in_fname and out_fname.
6586 * cppmain.c (printer_init): Don't check out_fname for NULL.
6587 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6588 (init_c_lex): Update, and use "" to represent stdin to CPP.
6591 2001-02-20 Will Cohen <wcohen@redhat.com>
6593 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6594 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6595 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6598 2001-02-20 Stan Shebs <shebs@apple.com>
6600 * config/rs6000/rs6000.c (output_cbranch): Output branches
6601 on separate lines instead of using ';' to separate.
6603 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6605 * cppinit.c (set_lang): Move builtin handling to...
6606 (init_builtins): ...here.
6607 (_cpp_create_reader): Move call to set_lang.
6609 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6611 * stmt.c (expand_return): If an attempt is made to return the
6612 error_mar_node, treat the return like a return without a value.
6614 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6616 * sibcall.c (skip_copy_to_return_value): Call
6617 identify_call_return_value here, and return orig_insn if it
6618 returns zero. Hardret and softret arguments now unnecessary.
6619 (call_ends_block_p): Don't call identify_call_return_value here.
6621 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6623 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6624 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6626 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6628 * pa.c (move_operand): Accept code to load the address of a
6629 symbol out of the DLT as a valid move operand.
6630 (print_operand, case 'A'): New to handle generating a DLT
6631 reference for a LO_SUM expression.
6632 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6633 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6635 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6637 * README, cpp.texi, gcc.texi, version.c: Update version number to
6639 * cpp.1, gcov.1, gcc.1: Regenerate.
6641 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6643 * cppfiles.c (stack_include_file): Generate dependencies
6644 here, and manage include_count here too.
6645 (PRINT_THIS_DEP): Delete.
6646 (_cpp_execute_include): Do not generate dependencies here,
6647 apart from the case of a missing header. Do not manage
6649 (_cpp_read_file): Leave dependency generation to
6652 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6654 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6655 target_cpu_default. Remove dead assignment to
6658 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6660 * regclass.c (contains_reg_of_mode): Make global.
6661 (init_reg_sets): Remove contains_reg_of_mode; take into account
6662 CLASS_MAX_NREGS when looking for the proper mode.
6663 (dump_regclass): Dump only classes considered for the pseudo.
6664 (regclass): Use contains_reg_of_mode.
6666 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6668 * gcc.c (do_spec_1): 'n' for printing notices.
6669 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6671 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6673 * reg-stack.c (next_flags_user): Use current_block->end
6674 (swap_rtx_condition): Look for next user if flags don't die;
6675 give up on CALL_INSNs; use current_block->end.
6677 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6679 * sibcall.c (call_ends_block_p): New function.
6680 (optimize_sibling_and_tail_recursive_call): Use it.
6682 2001-02-18 Kazu Hirata <kazu@hxi.com>
6684 * config/h8300/h8300.md: Update copyright.
6685 (andsi3): Do not output an extra newline character.
6687 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6689 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6690 FNDECL may be unused.
6692 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6693 follow jumps after first run.
6694 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6695 it doesn't change any jumps.
6697 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6699 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6700 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6701 (mostlyclean): Corresponding changes.
6702 * rtlanal.c (hard-reg-set.h): Include.
6703 (rtx_unstable_p): Do not treat the argument pointer specially
6704 if it is not a fixed register.
6705 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6707 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6709 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6710 against last real insn in basic block.
6711 Rework to avoid gotos.
6713 * Makefile.in (gcse.o): Now includes ggc.h.
6714 * gcse.c: Include ggc.h.
6715 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6716 (try_replace_reg): Remove warning of uninitialize variable.
6717 (process_insert_insn): Call invalid_insn_p to validate insn.
6718 * recog.c (insn_invalid_p): Now global.
6719 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6720 * recog.h (insn_invalid_p): New declaration.
6722 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6724 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6725 assignments from FP constants since 'Y' output code can't handle it.
6726 (eligible_for_sibcall_delay): Likewise.
6728 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6729 Call fancy_abort directly, passing args.
6730 (print_rtl_and_abort): Now a macro, like fancy_abort.
6732 * final.c (output_operand_lossage): Use internal_error, not error.
6734 2001-02-18 Shane Nay <shane@agendacomputing.com>
6736 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6737 structure shift insns.
6739 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6741 * invoke.texi (-fsquangle): Remove documentation.
6742 (-fname-mangling-version): Likewise.
6744 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6746 * optabs.c (expand_abs): Remove reference to
6747 HAVE_contitional_arithmetic.
6748 * combine.c (simplify_set): Likewise.
6750 2001-02-18 Richard Henderson <rth@redhat.com>
6752 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6755 2001-02-18 Richard Henderson <rth@redhat.com>
6757 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6759 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6761 * reload1.c (reload_cse_simplify_set): Fix typo.
6763 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6765 * diagnostic.c (_fatal_insn): Decrement errorcount.
6767 * invoke.texi (-I): Add note avoiding use for system header files.
6769 * rtl.h (add_clobbers): Remove duplicate declaration.
6770 * recog.h (added_clobbers_hard_reg_p): New declaration.
6771 * genemit.c (struct clobber_pat): New field has_hard_reg.
6772 (gen_insn): Record if added clobbers clobber hard reg.
6773 (gen_split): Avoid unused warning if number of operands is 0.
6774 (output_added_clobbers_hard_reg_p): New function.
6777 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6779 * pa.c (hppa_expand_prologue): Simplify code storing return
6780 pointer. For large (>=8k) frames with a post_store, adjust stack
6781 pointer by 8k-64 first rather than by 64. When testing with
6782 VAL_14_BITS_P, always use the actual value rather than the value
6783 negated. Add blockage to prevent scheduling of spills before
6784 stack frame has been created.
6785 (hppa_expand_epilogue): Simplify code loading return pointer.
6786 Allow a slightly larger range for merge_sp_adjust_with_load case.
6787 When testing with VAL_14_BITS_P, always use the actual value.
6789 * pa.c (pa_adjust_insn_length): Check that block move
6790 pattern is a set before looking at operands.
6792 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6794 * fold-const.c (fold_binary_op_with_conditional_arg): New
6795 function, split out from ...
6797 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6798 conditional arms that throw exceptions.
6800 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6803 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6805 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6806 define HAVE_DECL_* to 1 to mask potential backup declarations.
6807 * configure: Regenerated.
6809 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6811 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6813 2001-02-17 Richard Henderson <rth@redhat.com>
6815 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6816 when replacing a memory load with a register.
6818 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6819 Jan Hubicka <jh@suse.cz>
6821 * recog.c (validate_replace_src_1): New.
6822 (validate_replace_src_data): Likewise.
6823 (validate_replace_src): Use note_uses.
6824 * rtl.h (note_uses): Declare.
6825 * rtlanal.c (note_uses): New.
6827 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6829 * reg-stack.c (stack_def): Make field reg unsigned.
6830 (remove_regno_note): Unsignetize parameter.
6832 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6834 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6835 shladd_operand() call.
6837 2001-02-16 Bruce Korb <bkorb@gnu.org>
6838 Rodney Brown <RodneyBrown@mynd.com>
6840 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6841 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6842 machine restrictions
6843 * fixinc/fixincl.x: regen
6845 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6847 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6849 (hash_scan_insn): Clean up calls to hash_scan_set.
6850 (compute_kill_rd): REGNO now unsigned.
6851 (try_replace_reg): Rework to use simplify_replace_rtx.
6852 (cprop_jump, cprop_cc0_jump): Likewise.
6853 (cprop_insn): Call find_reg_equal_equiv_note.
6854 Reflect changes to cprop_jump and cprop_cc0_jump.
6856 * recog.c (validate_replace_src): Replace in operands of
6857 ZERO_EXTRACT in SET_DEST.
6859 * cse.c (new_label_ref): New variable.
6860 (insert): Set it instead of recorded_label_ref.
6861 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6862 CODE_LABEL for this function, and not already in REG_LABEL note.
6864 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6866 * resource.c (mark_referenced_resources): Fix typo in introductory
6868 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6871 2001-02-16 Jason Merrill <jason@redhat.com>
6873 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6875 (gen_subprogram_die): Don't abort on seeing a second definition if
6876 the previous one was abstract. Don't replace an abstract instance
6877 in the lookup table.
6879 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6880 gen_abstract_function.
6881 * dwarf2out.h: Declare it.
6882 * toplev.c (note_outlining_of_inline_function): New fn.
6883 * toplev.h: Declare it.
6884 * integrate.c (output_inline_function): Call it.
6885 * c-decl.c (duplicate_decls): Call it when redefining an extern
6886 inline. Don't inline the new defn.
6888 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6890 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6892 * .gdbinit: Rename to gdbinit.in.
6893 * gdbinit.in: New file,
6894 * configure.in: Generate .gdbinit from gdbinit.in.
6895 * configure: Regenerated.
6896 * Makefile.in (distclean): Always remove .gdbinit.
6898 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6900 * objc/objc-act.c (start_class): Register implemented_classes with
6903 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6905 * cppfiles.c (_cpp_make_system_header): Generate a file
6908 2001-02-15 Jim Meyering <meyering@lucent.com>
6910 * Makefile.in (install-common): Don't depend on installdirs here.
6911 Instead, make each of the lang.install-common targets (e.g.,
6912 c++.install-common in cp/Make-lang.in) depend on it.
6913 (install-driver): Depend on installdirs.
6915 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6917 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6919 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6922 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6924 * invoke.texi (--param): Document.
6926 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6928 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6930 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6932 * i386.md (extendsfdf2_2): Fix constraints.
6934 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6936 * i386.md (fop_df_3 splitter): Fix operand number.
6938 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6940 * invoke.texi (-mreg-alloc): Nuke.
6941 * i386.c (ix86_reg_alloc_order, regs_allocated,
6942 order_regs_for_local_alloc): Nuke.
6943 (override_options): Kill reg_alloc code.
6944 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6945 (REG_ALLOC_ORDER): SSE goes before I387.
6946 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6947 (ix86_reg_alloc_order): Likewise.
6948 * i386-protos.h (ix86_reg_alloc_order): Kill.
6950 2001-02-14 Richard Henderson <rth@redhat.com>
6952 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6954 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6956 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6958 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6960 * i386-protos.h (ix86_memory_move_cost): Move offline.
6961 * i386.c (ix86_register_move_cost): Compute properly cost of
6962 SSE, MMX and i387 instructions.
6963 (*_cost): Add costs of SSE/MMX moves.
6964 (ix86_memory_move_cost): Move offline from ....; Likewise.
6965 * i386.h (MEMORY_MOVE_COST): .... here;
6966 (struct processor costs): Add new fields to represent costs
6969 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6971 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6972 move_cost together with Matt Kraai's fix.
6974 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6976 * Makefile.in (OBJS): Add params.o.
6978 2001-02-14 Richard Henderson <rth@redhat.com>
6979 DJ Delorie <dj@redhat.com>
6981 * jump.c (jump_optimize_1): When we delete a conditional jump
6982 preceeding a non-conditional jump to effectively the same place,
6983 make sure that the combined jump skips any clobber insns between
6986 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6988 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6990 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6992 * Makefile.in (toplev.o): Depend on params.h.
6993 (intergate.o): Likewise.
6994 (params.o): New target.
6995 * flags.h (inline_max_insns): Remove.
6996 * integrate.c: Include params.h.
6997 Use MAX_INLINE_INSNS instead of inline_max_insns.
6998 * params.c: New file.
6999 * params.h: Likewise.
7000 * params.def: Likewise.
7001 * toplev.c: Include params.h.
7002 (lang_independent_params): New variable.
7003 (decode_f_option): Use the param machinery instead of setting
7005 (independent_decode_option): Handle "--param name=value".
7006 (main): Register language-independent parameters.
7008 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7010 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7012 2001-02-14 Richard Henderson <rth@redhat.com>
7014 * regclass.c (init_reg_sets_1): Revert last two changes.
7016 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7018 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7019 (variable_size): Call put_pending_size.
7020 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7021 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7022 sizes list, put newly created SAVE_EXPR there as well.
7024 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7026 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7027 (errata_find_address_regs): load_group has only 2 entries.
7028 (errata_emit_nops): Likewise. shladd is not problematic.
7029 Clear last_group if nop was emitted.
7030 (fixup_errata): load_group has only 2 entries.
7033 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7035 * c-lex.c (lex_number): Only warn traditionally for U suffix
7036 outside system macros.
7037 * cppexp.c (parse_number): Similarly.
7038 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7039 * cppmacro.c (struct cpp_macro): New member node.
7040 (parse_args): Only warn about missing rest args if not
7042 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7043 (cpp_sys_objmacro_p): New.
7044 (_cpp_create_definition): Store the node with the macro defn.
7045 Remember if the macro is defined in a system header.
7047 2001-02-13 DJ Delorie <dj@redhat.com>
7049 * configure.in (check_languages): determine languages to check
7050 * Makefile.in (check-c++): alias for check-g++
7051 (check-f77): alias for check-g77
7052 (CHECK_TARGETS): depend on configured languages
7054 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7056 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7057 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7058 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7059 (sqrtextendsfdf2): Disable for SSE2.
7061 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7063 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7064 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7065 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7066 (sqrtextendsfdf2): Disable for SSE2.
7068 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7070 * i386.md (movsfcc_1): Support integer cmove instruction.
7071 (movdfcc_1): Likewise; new splitter.
7073 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7075 * i386.c (output_fp_compare): Support SSE.
7076 (prepare_fp_compare_args): SSE comparisons always support memory.
7077 * i386.h (TARGET_CMOVE): SSE imply cmove.
7078 * i386.md (cmp?f2): Enable for SSE too.
7079 (cmpfp_i*): Support SSE.
7081 (cmpfp_i_sse_only): New.
7082 (s*, b* fp expanters): Enable for SSE too.
7083 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7086 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7088 * regclass.c (init_reg_sets_1): Silence warning.
7090 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7092 * i386.md (sqrt?f2): Change to expander.
7093 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7095 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7097 * rtlanal.c (find_reg_equal_equiv_note): New function.
7098 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7099 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7100 * rtl.h: Add declarations for above functions.
7102 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7104 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7106 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7107 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7108 * flow.c (mark_regs_live_at_end): Likewise.
7109 (calculate_global_regs_live): Likewise.
7110 * gcse.c (compute_hash_table): Likewise.
7111 (compute_kill_rd): Likewise.
7112 * resource.c (mark_target_live_regs): Likewise.
7113 * rtl.h (INVALID_REGNUM): New macro.
7115 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7117 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7119 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7121 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7124 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7126 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7128 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7129 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7130 (fop_sf_1_sse, fop_df_1_sse): New patterns
7131 (fop_*): Disable float_extend and float patterns for SSE compilation.
7132 * i386.c (output_387_binary_op): Support SSE.
7134 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7136 * i386.md (dummy_extendsfdf2): Support SSE2
7137 (extendsfdf2): Enable if 80387 or SSE2.
7138 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7139 and no MIX_I387_SSE2
7140 (extendsfdf2_1_sse_only): New pattern.
7141 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7143 (truncdfsf2_1): Support SSE.
7144 (truncdfsf2_2): Support SSE.
7145 (truncdfsf2_2_1_sse): New pattern.
7146 (fixtruncsfsi2): Always use SSE if available.
7147 (fix_truncsfsi_sse): New pattern.
7148 (fix_truncdfsi_sse): New pattern.
7149 (floatsis?f2): Support SSE.
7150 (floatsidf2_i387): New pattern.
7151 (floatsidf2_sse): Likewise.
7153 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7155 * configure.in: Use "have_gnat" variable, not "gnat".
7156 * configure: Regenerated.
7158 * config/sparc/sparc.c (function_value): Treat all non-record
7159 aggregate types like used to treat UNION_TYPE.
7161 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7163 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7164 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7166 (MASK_MIX_SSE_I387): New.
7167 (TARGET_SSE): SSE2 imply SSE.
7168 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7169 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7170 (enum reg_class): Add new classes.
7171 (REG_CLASS_NAMES): Likewise.
7172 (REG_CLASS_CONTENTS): Likewise.
7173 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7174 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7175 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7176 (CLASS_MAX_NREGS): Use new macros.
7177 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7178 * i386.md (pushsf, movsf): Support SSE.
7179 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7180 splitters to use ANY_FP_REGNO_P.
7181 (movdf_nointeger, movdf_integer): Likewise.
7183 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7185 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7186 (try_combine): Use it.
7188 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7190 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7191 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7192 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7193 (REGISTER_MOVE_COST): Likewise.
7194 * i386-protos.h (ix86_secondary_memory_needed,
7195 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7196 * i386.c (ix86_secondary_memory_needed,
7197 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7199 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7201 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7202 (HARD_REGNO_MODE_OK): Move offline to ....
7203 * i386.c (ix86_hard_regno_mode_ok) ... here;
7204 refuse all incorrect modes.
7205 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7207 2001-02-13 Richard Henderson <rth@redhat.com>
7209 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7210 entire operator; replicate that and match_dup the operands.
7211 (cmp_ccx_arith_op_set): Likewise.
7212 (cmp_cc_arith_op_not_set): Likewise.
7213 (cmp_ccx_arith_op_not_set): Likewise.
7215 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7217 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7219 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7221 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7222 (TARGET_NO_BITFIELD_WORD): New macro.
7223 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7224 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7226 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7228 * cselib.c: New file, from simplify-rtx.c.
7229 * simplify-rtx.c: Remove cselib parts.
7230 * Makefile.in: Add cselib.o.
7232 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7234 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7235 (setup_incoming_varargs): Remove warning.
7237 * config/rs6000/rs6000.c (validate_condition_mode): When
7238 flag_fast_math, allow floating-point conditionals to be reversed.
7239 (rs6000_generate_compare): When flag_fast_math, don't generate
7240 cror operations for FP conditionals.
7242 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7244 (ASM_SPEC): Likewise.
7245 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7246 (CC1_SPEC): Likewise.
7247 (LINK_TARGET_SPEC): Likewise.
7248 (CPP_ENDIAN_SPEC): Likewise.
7249 * Makefile.in (check-consistency): New target.
7251 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7253 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7254 "return type defaults" warning for functions with return type
7256 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7257 function declarations by default rather than only when pedantic.
7259 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7261 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7264 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7266 * extend.texi (Deprecated): Deprecate new initializer lists.
7268 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7270 * mkdeps.c (deps_add_default_target): Robustify. Add
7271 basename component only.
7272 * cpp.texi (-M): Describe how default target is generated.
7273 * invoke.texi (-M): Likewise.
7275 2001-02-12 Kazu Hirata <kazu@hxi.com>
7277 * toplev.c (push_float_handler): Remove.
7278 (pop_float_handler): Remove.
7279 * toplev.h: Remove prototypes for the above functions.
7281 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7283 * c-common.c (constant_fits_type_p): New function.
7284 (convert_and_check): Use it.
7286 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7288 * Makefile.in (GXX_ABI_FLAG): Don't define.
7289 * configure.in (--enable-new-gxx-abi): Remove option.
7290 * config.in: Regenerated.
7291 * configure: Likewise.
7293 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7295 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7297 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7298 regular basic block, and arrange for all edges into it to switch
7301 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7303 * Makefile.in (distclean): Do not remove .gdbinit.
7305 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7307 * Makefile.in (gcc.o): Fix typos.
7308 (protize.o): Likewise.
7309 (unprotoize.o): Likewise.
7311 2001-02-11 Richard Henderson <rth@redhat.com>
7313 * tree.c (build1): Check for null operand in last change.
7315 2001-02-11 Richard Henderson <rth@redhat.com>
7317 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7318 (fold): Don't assume a constant isn't foldable.
7319 * tree.c (build): Set TREE_CONSTANT for an expression with no
7320 side-effects and constant operands.
7323 2001-02-10 Richard Henderson <rth@redhat.com>
7325 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7327 2001-02-10 Anthony Green <green@redhat.com>
7329 * cpp.texi (Standard Predefined): Add documentation for
7332 * c-common.c (combine_strings): Improve warning message.
7334 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7336 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7338 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7340 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7342 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7345 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7347 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7350 2001-02-09 Nick Clifton <nickc@redhat.com>
7352 * config/arm/arm.md: Change output contraint on post inc
7353 load/store multiple patterns to be a read/write contraint.
7355 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7357 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7358 .o files when using the -M options.
7360 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7361 David Edelsohn <edelsohn@gnu.org>
7363 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7364 handle DImode constants. Use one TOC entry for SImode and smaller
7365 constants, aligned properly.
7367 2001-02-08 Jason Merrill <jason@redhat.com>
7369 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7370 about the SP adjustment for saving the static chain pointer.
7371 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7372 offset when setting a temporary CFA register.
7374 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7376 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7377 powerpc-*-chorusos* .
7378 * config/rs6000/chorus.h : New file.
7379 * config/i386/chorus.h : New file.
7380 * config/sparc/chorus.h : New file.
7381 * config/sparc/t-chorus-elf : New file.
7383 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7385 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7386 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7387 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7388 (__WCHAR_TYPE__): Correct macro name.
7390 2001-02-08 Richard Henderson <rth@redhat.com>
7392 * config/i386/i386.c (ix86_frame_pointer_required): New.
7393 (ix86_setup_frame_addresses): New.
7394 (struct machine_funciton): Add accesses_prev_frame.
7395 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7396 ix86_frame_pointer_required.
7397 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7398 (SETUP_FRAME_ADDRESSES): New.
7399 * config/i386/i386-protos.h: Update.
7400 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7401 from FRAME_POINTER_REQUIRED.
7402 * config/i386/svr3gas.h: Likewise.
7403 * config/i386/sysv3.h: Likewise.
7404 * config/i386/v3gas.h: Likewise.
7406 2001-02-08 Richard Henderson <rth@redhat.com>
7408 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7409 calculation of the number of integer registers required.
7410 (function_arg_record_value): Likewise.
7412 2001-02-08 Jason Merrill <jason@redhat.com>
7414 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7415 two. Print file and line with "confused" message.
7417 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7419 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7421 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7423 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7425 * final.c (cleanup_subreg_operands): The address of a MEM can
7428 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7431 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7433 * gcc.texi (Incompatibilities): Update documentation of
7434 preprocessing numbers.
7436 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7438 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7440 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7442 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7444 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7445 * gcc.c (struct compiler): Add cpp_spec field.
7446 (input_file_compiler): New variable.
7447 (do_spec_1): Allow a particular compiler to handle `%C'
7449 (main): Store the current compiler in input_file_compiler.
7450 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7452 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7454 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7455 * cppinit.c (cpp_create_reader): Initialize them.
7456 (append_include_chain): cxx_aware arg might be unused.
7457 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7458 keywords and give them their phase 7 meaning. Pedwarn about
7459 this unless '__bool_true_false_are_defined' is defined.
7461 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7463 * lcm.c (optimize_mode_switching): Emit mode_set before the
7464 JUMP_INSN of an abnormal edge.
7466 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7468 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7469 a scheduling barrier at the end.
7471 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7473 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7475 * config/sh/sh.md (reload_outsf): Removed.
7476 (movsf_ie): Introduce constraints for FPUL loads and stores.
7477 (reload_insf): Broaden the output constraint.
7479 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7481 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7482 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7484 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7486 * final.c: Revert my previous changes.
7487 * output.h: Make profile_label_no extern.
7488 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7489 for generating label.
7491 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7493 * config/i386/djgpp.h: Add comments about standard paths.
7494 (MD_EXEC_PREFIX): Undefine before defining.
7495 (MD_STARTFILE_PREFIX): New.
7497 2001-01-30 Bruce Korb <bkorb@gnu.org>
7499 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7500 (load_file): do not rely on load_file_data() to close file pointer
7501 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7502 fixinc/inclhack.def(irix_limits_const): add test_text
7504 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7506 * cppexp.c (parse_defined): Improve diagnostics for invalid
7509 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7511 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7513 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7515 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7516 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7517 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7518 (rs6000_output_symbol_ref): New function.
7519 (output_toc): Use VTABLE_NAME_P.
7521 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7523 * print-tree.c (print_node, case PARM_DECL):
7524 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7526 * stor-layout.c (reference_types_internal): New variable.
7527 (internal_reference_types): New function.
7528 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7529 * tree.h (internal_reference_types): New declaration.
7531 * cse.c (find_best_addr): Fix typo in computing cost.
7533 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7535 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7536 and this is the sum of a pointer and a constant, we know the result
7538 (num_sign_bit_copies, case PLUS): Likewise.
7539 * explow.c (convert_memory_address): Remove opposite SUBREG.
7540 * function.c (instantiate_new_reg): New function (from common code).
7541 (instantiate_virtual_regs_1): Call it.
7542 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7543 if pointers sign- or zero-extend.
7544 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7545 If pointers extend unsigned, use inside of SUBREG.
7546 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7548 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7550 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7551 subdir of gcc_gxx_include_dir.
7552 (gcc_gxx_target_include_dir): Remove.
7554 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7556 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7557 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7558 a high-level description.
7560 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7562 * final.c: Move the declaration of profile_label_no to ...
7563 * output.h: ... here.
7564 * function.c (expand_function_start): Call PROFILE_HOOK.
7565 * config/rs6000/aix.h: Define PROFILE_HOOK.
7566 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7567 * config/rs6000/rs6000.c (output_profile_hook): Define.
7568 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7569 output_profile_hook.
7570 tm.texi : Explain new macro PROFILE_HOOK.
7572 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7574 * extend.texi (Extended Asm): Do not say that semicolon is always
7575 a valid line-breaking character for GNU assemblers. Use
7576 newline-tab as the most commonly supported syntax. Use
7577 newline-tab rather than semicolon in multi-insn examples.
7579 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7581 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7583 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7584 David Edelsohn <edelsohn@gnu.org>
7586 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7587 code for AIX, even without flag_pic.
7589 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7591 * c-typeck.c (common_type): push and pop binding level around
7592 calling common_type on function parameters.
7594 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7596 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7598 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7600 * config/mips/mips.c (override_options): Fix typo in last change.
7601 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7602 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7604 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7606 * invoke.texi (-fdump-class-layout): Document.
7607 (-fdump-translation-unit): Use `=' as filename separator.
7609 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7611 * Makefile.in (s-mlib): Don't build multilibs if
7613 (DRIVER_DEFINES): Adjust accordingly.
7615 (protoize.o): Likewise.
7616 (unprotoize.o): Likewise.
7617 * configure.in: Recognize --enable-multilib.
7619 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7621 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7623 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7624 * configure.in: Remove --enable-libstdcxx_v3 support.
7625 * configure: Regenerated.
7627 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7629 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7630 Call abort instead of fatal.
7631 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7632 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7633 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7634 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7635 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7636 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7638 * diagnostic.h (set_internal_error_function): Renamed.
7639 * toplev.h (internal_error): Renamed from fatal.
7640 (pfatal_with_name): Deleted.
7641 (fatal_io_error): Now has printf-style arguments.
7642 * diagnostic.c (pfatal_with_name): Deleted.
7643 (fatal_io_error): Rework to have args in printf-style.
7644 (set_internal_error_function): Renamed from set_fatal_function.
7645 (internal_error): Renamed from fatal.
7646 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7647 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7648 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7649 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7650 * flow.c (verify_flow_info): Likewise.
7651 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7652 * config/mips/mips.c (save_restore_insns): Likewise.
7654 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7655 * flow.c (verify_flow_info): Likewise.
7656 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7657 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7658 (avr_normalize_condition): Likewise.
7659 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7660 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7661 (limit_reload_class, double_reg_to_memory): Likewise.
7662 (print_operand_address, emit_1600_code_shift): Likewise.
7663 (gen_tst_reg, gen_compare_reg): Likewise.
7664 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7665 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7667 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7669 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7670 * objc/objc-act.c (build_ivar_chain): Likewise.
7671 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7673 * graph.c (clean_graph_dump_file): Likewise.
7674 * profile.c (init_branch_prob): Likewise.
7675 * objc/objc-act.c (objc_init): Likewise.
7677 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7678 * config/avr/avr.c (avr_override_options): Likewise.
7679 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7680 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7681 * config/h8300/h8300.c (h8300_init_once): Likewise.
7682 * config/mips/mips.c (override_options): Likewise.
7683 * config/i386/i386.c (override_options): Likewise, rework.
7684 * config/m68k/m68k.c (override_options): Likewise.
7686 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7688 * config/mips/mips.c (print_operand): Likewise.
7689 * hash.c (hash_allocate): Don't check for failure returns from
7690 obstack functions that can't fail.
7691 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7692 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7693 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7694 (get_object_reference): Likewise.
7696 2001-02-04 Nick Clifton <nickc@redhat.com>
7698 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7699 StrongARM1110, 10TDMI, and 1020T.
7701 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7703 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7705 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7707 * config/sh/sh.md (movdf load split): Pass register number to
7708 FP_OR_XD_REGISTER_P.
7710 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7712 * cppinit.c (BC): New macro.
7713 (builtin_array): Add __GXX_WEAK__.
7714 * cpplib.h (builtin_type): Add BT_WEAK.
7715 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7716 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7717 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7719 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7721 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7723 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7725 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7726 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7728 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7730 * cpphash.h: Rename ALIGN _ALIGN.
7731 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7733 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7735 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7736 compilation environment.
7737 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7738 control over location of cygwin includes and libs.
7740 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7742 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7744 2001-02-02 lars brinkhoff <lars@nocrew.org>
7746 * md.texi (Standard Names): remove reference to spur.md.
7748 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7750 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7751 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7752 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7753 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7754 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7756 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7758 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7759 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7760 number before reload.
7761 (c4x_adjust_cost): Return zero before reload.
7762 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7763 split before reload.
7765 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7767 * c4x.c (c4x_hard_regno_rename_ok): New.
7768 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7769 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7771 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7773 * diagnostic.h: Add missing "extern" in all declarations.
7775 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7777 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7778 as for gcc_gxx_include_dir.
7780 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7782 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7784 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7786 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7787 label before alignment to be used as the braf base address.
7788 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7790 (casesi_jump_2): Require at least TARGET_SH2.
7792 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7793 truncation to 32-bit doubles on -m3e and -m4-single-only.
7795 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7797 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7798 the default when building a shared object.
7799 (init_spec): Use it.
7800 * testsuite/lib/g++.exp: Include the directory where libgcc
7801 is located to the LD_LIBRARY_PATH list.
7802 * invoke.texi (-shared-libgcc): Document the cases in which
7803 GCC defaults to using the shared libgcc.
7805 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7807 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7808 unsigned is wide enough.
7810 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7811 (si_to_float): Likewise.
7812 (float_to_si, float_to_usi): Use BITS_PER_SI.
7814 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7816 * dwarf2out.c: Added explanation of abbreviations.
7817 (def_cfa_1): Added comments listing DWARF2 instructions.
7818 (cfa_temp_reg): Removed in favor of cfa_temp.
7819 (cfa_temp_value): Removed in favor of cfa_temp.
7820 (cfa_temp): New global variable.
7821 (dwarf2out_frame_debug_expr): Added extensive introductory
7822 comments explaining the function's transformations. Revised to
7823 use cfa_temp. Added some rtx checking. Generalize IOR case.
7824 (dwarf2out_frame_debug): Revised to use cfa_temp.
7825 (output_aranges): Cast as "unsigned" to avoid warning.
7826 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7827 explain which instructions must be marked.
7829 2001-02-01 Richard Henderson <rth@redhat.com>
7831 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7834 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7836 * config/sh/crt1.asm (main_k): Modified so that start calls
7837 ___setup_argv_and_call_main.
7839 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7841 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7842 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7843 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7844 * cppmacro.c (builtin_macro): Set builtin flags here.
7845 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7846 (replace_args): Clarify intent.
7847 (cpp_get_token): Macro expansion tokens get the saved flags.
7849 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7852 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7854 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7857 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7859 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7860 returns Pmode pseudo, but we need ptr_mode.
7861 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7862 Remove bogus conversions; use HOST_WIDE_INT for size.
7863 Don't use TARGET if wrong mode.
7865 * config/i386/i386.c (ix86_compute_frame_size): Allow
7866 stack_alignment_needed to be non-default even if size is zero.
7868 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7870 * pa.c (hppa_init_pic_save): New function.
7871 * pa.h (hppa_init_pic_save): Declare.
7872 * pa.md (call, call_value, sibcall, sibcall_value): Use
7873 the above instead of duplicated code.
7875 * pa.c (hppa_encode_label): Correct size of alloca buffer
7876 so we don't overrun it. Correct leading `*' case.
7877 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7878 need to handle `*@'.
7879 (FUNCTION_NAME_P): Likewise.
7881 2001-01-31 Richard Henderson <rth@redhat.com>
7883 * config.gcc (alpha-osf5): Use float-i128.h.
7885 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7886 * config/float-i32.h: Likewise.
7887 * config/float-i64.h: Likewise.
7888 * config/float-sh.h: Likewise.
7889 * config/float-sparc.h: Likewise.
7891 2001-01-31 DJ Delorie <dj@redhat.com>
7893 * expmed.c (extract_bit_field): allow non-integral modes if we
7894 want to extract a whole register from itself.
7896 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7898 * c-typeck.c (set_init_index): If first is equal to last, assume as
7899 if it was not a range at all.
7901 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7903 * config/fp-bit.c: Include tm.h.
7904 (float_to_si): Don't assume SImode is 32-bits wide.
7905 (float_to_usi): Likewise.
7907 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7909 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7911 (typename): Call pending_xref_error after parsing typed_typespecs.
7912 * c-decl.c (lookup_tag): Give error immediately rather than
7913 leaving it pending if the tag of the wrong type is in the same
7915 (xref_tag): Don't pedwarn for forward declarations of enum types
7917 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7920 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7922 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7924 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7926 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7927 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7929 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7931 * cpphash.h (struct cpp_reader): New saved_flags.
7932 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7933 to avoid a paste after a pasted token.
7935 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7937 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7938 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7939 Wtype_MIN instead of LONG_MIN.
7941 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7943 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7945 * fixinc/fixincl.x: Regenerated.
7946 * fixinc/inclhack.def (irix_limits_const): New definition to
7947 convert "const" to "__const" in limits.h.
7949 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7951 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7953 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7955 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7956 when register dies in the insn.
7958 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7960 * diagnostic.c (fatal): Fix word wrap.
7962 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7964 * combine.c (try_combine): Fix SUBREG setting for
7965 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7967 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7969 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7972 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7974 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7976 * toplev.c (decode_W_option): Update warn_larger_than
7977 unconditionally for each processed switch.
7979 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7981 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7983 (hppa_expand_prologue): Delete code to save pic offset table register
7984 in the function prologue.
7985 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7986 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7987 table register at the beginning of the function after the prologue.
7989 2001-01-29 lars brinkhoff <lars@nocrew.org>
7991 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7993 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7994 Jeff Law <law@redhat.com>
7996 * pa.md (return): Revise comment for trivial return.
7997 (return_internal): Non-trivial return pattern for non-PIC code.
7998 (return_internal_pic): Non-trivial return pattern for PIC code.
7999 It uses the PIC register to ensure it is restored after
8001 (epilogue): Generate appropriate return for PIC and non-PIC code.
8003 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8005 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8007 2001-01-29 DJ Delorie <dj@redhat.com>
8009 * combine.c (if_then_else_cond): Pass the correct mode to
8010 operand_subword() for constants.
8012 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8014 * config/i386/cygwin.h: Add w32api to include search. Search different
8015 directories in a cross-build environment.
8017 2001-11-29 Tim Josling <tej@melbpc.org.au>
8019 * tree.h (TYPE_STUB_DECL): Add documentation.
8021 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8023 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8024 (sdbout_field_types): Likwise. Fix use of host_integerp.
8026 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8028 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8031 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8033 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8034 to use flag_gnu_linker.
8036 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8038 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8039 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8041 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8043 * tree.c, tree.h (build_parse_node): Remove; was identical to
8045 * c-lang.c (start_cdtor), objc/objc-act.c
8046 (build_module_descriptor): Use build_nt instead of
8049 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8051 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8052 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8053 not have any upper bits set.
8055 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8057 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8059 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8061 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8063 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8065 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8066 (integer_minus_one_node): Define.
8068 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8070 * Makefile.in (bootstrap2-lean): Fix typo.
8072 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8074 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8075 : Don't set fe_value.
8076 * cpplib.h (AVOID_LPASTE): New flag.
8077 (struct cpp_hashnode): Remove fe_value.
8078 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8079 * cppmacro.c (builtin_macro): Don't set flags here.
8080 (replace_args): Set AVOID_LPASTE flag on first token of an
8081 argument, and the token following it.
8082 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8083 macro expansion, and on the token following it. Do it for
8085 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8087 2001-01-27 Richard Henderson <rth@redhat.com>
8089 * config/alpha/t-ieee: Remove multilibbing.
8090 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8092 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8094 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8096 * Makefile.in: Remove all dependencies on defaults.h.
8097 * builtins.c: Don't include defaults.h.
8098 * c-common.c: Likewise.
8099 * c-decl.c: Likewise.
8100 * c-pragma.c: Likewise.
8101 * c-typeck.c: Likewise.
8102 * combine.c: Likewise.
8104 * frame-ia64.c: Likewise.
8105 * cppexp.c: Likewise.
8106 * crtstuff.c: Likewise.
8107 * dbxout.c: Likewise.
8108 * dwarf2out.c: Likewise.
8109 * dwarfout.c: Likewise.
8110 * emit-rtl.c: Likewise.
8111 * except.c: Likewise.
8113 * final.c: Likewise.
8114 * frame-dwarf2.c: Likewise.
8115 * libgcc2.c: Likewise.
8116 * optabs.c: Likewise.
8117 * profile.c: Likewise.
8118 * sdbout.c: Likewise.
8119 * toplev.c: Likewise.
8120 * tradcif.y: Likewise.
8122 * varasm.c: Likewise.
8124 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8126 * builtins.c (expand_builtin_fputs): Use size_one_node when
8127 transforming into fwrite.
8129 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8131 * extend.texi (Attribute Syntax): New section.
8133 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8135 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8136 they didn't need fixing.
8138 2001-01-27 Janis Johnson <janis@us.ibm.com>
8140 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8142 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8143 to remove macro definitions that are duplicated from elfos.h.
8145 2001-01-27 Richard Henderson <rth@redhat.com>
8147 * config/i386/sco5gas.h: Move ...
8148 * config/usegas.h: ... here.
8149 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8151 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8153 * c-typeck.c (struct constructor_stack): Add range_stack member.
8154 (really_start_incremental_init): Clear it.
8155 (push_init_level): Save constructor_range_stack and clear it if
8156 pushing explicit braces.
8157 (pop_init_level): abort if constructor_range_stack is non-zero at
8158 explicit closing brace. Restore saved constructor_range_stack if
8161 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8163 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8164 into register was forced into memory.
8166 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8168 * Makefile.in: Remove uses of + before $(MAKE).
8170 2001-01-26 Richard Henderson <rth@redhat.com>
8172 * stmt.c (cost_table): Remove.
8173 (COST_TABLE, cost_table_initialized): New.
8174 (estimate_case_costs): Use the later instead of the former.
8175 (balance_case_nodes): Likewise.
8177 2001-01-26 Richard Henderson <rth@redhat.com>
8179 * alias.c (objects_must_conflict_p): Read-only slots may not
8180 conflict despite having the same type.
8182 2001-01-27 Michael Hayes <mhayes@redhat.com>
8184 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8186 (check_ext_dependant_givs): Initialise u_start_val and
8188 (load_mems): Make last_max_reg unsigned.
8189 (try_swap_copy_prop): Use INSN_P and initialise set.
8191 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8193 * README.AVR : Removed.
8195 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8197 * pa-64.h (text_section): Remove declaration.
8199 * pa.md (return_internal): Remove mode on PIC register use.
8201 2001-01-25 lars brinkhoff <lars@nocrew.org>
8203 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8204 ASM_CLOSE_PAREN): fix typos.
8206 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8208 * acconfig.h: Define `const' to the empty string if neither
8209 __STDC__ nor __cplusplus is defined.
8210 * config.in: Regenerated.
8212 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8214 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8215 * collect2.c (main): Delete importf. Add ".obj" file extension.
8216 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8217 (aix_std_libs): Add additional AIX libraries to skip.
8218 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8219 * config/rs6000/aix51.h: New file.
8221 2001-01-25 Michael Hayes <mhayes@redhat.com>
8223 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8224 (loop_insn_emit_before): No longer static.
8225 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8226 (loop_givs_rescan, load_mems): Likewise.
8227 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8228 (maybe_eliminate_biv_1):
8229 (move_movables): Replace emit_call_insn_before with
8230 loop_call_insn_hoist.
8231 * loop.h (loop_insn_emit_before): Add.
8232 * unroll.c (copy_loop_body): Replace emit_insn_before with
8233 loop_insn_emit_before.
8235 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8237 * diagnostic.c (fatal): Request preprocessed source.
8239 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8241 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8242 olddecl has argument types and newdecl has none, use the argument
8245 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8247 * dwarf2out.c (prefix_of): New function. Determine longest common
8248 prefix of the two arguments. The units are whole path components.
8249 (output_file_names): When adding a new directory find the one entry
8250 with the longest common prefix already in the list. Artificially
8251 generate entry if there is none for this prefix.
8252 Fix test to check whether the zeroth directory entry is used.
8254 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8256 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8257 Changed all callers. Take it into account when deciding if a
8258 previously loaded value matches.
8260 2001-01-24 Richard Henderson <rth@redhat.com>
8262 * reload.c (find_reloads_subreg_address): Fail the substitution
8263 if the resulting address is insufficiently aligned.
8265 2001-01-24 DJ Delorie <dj@redhat.com>
8267 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8268 check the original operand's mode also.
8269 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8271 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8273 * c-parse.in (cast_expr): Move compound literals from here ...
8274 (primary): ... to here. Use standard terminology "compound
8275 literal" instead of "constructor expression".
8277 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8279 * gcc.1, cpp.1: Regenerate.
8281 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8283 * calls.c (emit_library_call_value_1): Memory slot for
8284 pass-by-reference argument should have the mode of the argument,
8285 not of the pointer to it.
8287 2001-01-24 Tom Tromey <tromey@redhat.com>
8289 * gcc.texi (G++ and GCC): Mention gcj manual.
8290 (Standards): Link to section of manual mentioning gcj/Java
8293 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8295 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8296 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8297 * tradcpp.c (main): Add -imacros or -include'd dependencies
8299 * cpp.texi (-M, -MM): Document -M -include behaviour.
8301 2001-01-24 Roger Collins <roger@ProProject.com>
8303 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8305 2001-01-24 Will Cohen <wcohen@redhat.com>
8307 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8308 whether registers are 32 bits or 64 bits in size.
8310 2001-01-24 Ben Elliston <bje@redhat.com>
8312 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8314 2001-01-24 Richard Henderson <rth@redhat.com>
8316 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8317 (builtin_longjmp): Use it instead of emit_indirect_jump.
8319 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8321 * bb-reorder.c (make_reorder_chain_1): Handle case where
8322 jump edge goes to the same block as the fallthru edge.
8324 2001-01-23 Jim Wilson <wilson@redhat.com>
8326 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8327 * frame.h (__ia64_personality_v1): Add prototype.
8328 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8329 prototype form. Add void * cast to first argument to personality
8331 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8332 (asctoe113): Likewise.
8333 * config/ia64/frame-ia64.c: Include eh-common.h.
8334 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8336 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8338 (itanium_split_issue): Add prototype.
8339 (gen_nop_type): Ifdef out.
8340 (find_best_packet): Initialize best_packet.
8341 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8343 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8344 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8345 (flushrs): Add explicit stop bit at end.
8346 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8349 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8351 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8353 * libgcc2.c (__terminate_func): Make variable static.
8354 (__terminate_set_func): New function to set __terminate_func.
8355 * libgcc2.h (__terminate_func_ptr): New typedef.
8356 (__terminate_set_func): New function.
8358 2001-01-23 Richard Henderson <rth@redhat.com>
8360 * flow.c (init_propagate_block_info): Don't consider unchanging
8361 memories for dead frame store elimination.
8363 2001-01-23 Richard Henderson <rth@redhat.com>
8365 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8366 * defaults.h: ... here.
8368 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8370 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8372 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8374 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8376 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8378 * rs6000.h (rs6000_return_addr): Move prototype from here...
8379 * rs6000-protos.h (rs6000_return_addr): ...to here.
8380 (rs6000_init_expanders): Delete prototype.
8382 2001-01-23 Nick Clifton <nickc@redhat.com>
8384 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8385 (Spec Files): Document %B and %j and %. and %v3 and %M and
8386 %{S*&T} spec switches.
8388 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8390 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8392 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8393 Neil Booth <neil@daikokuya.demon.co.uk>
8395 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8396 Have -Werror make pedantic warnings errors, like the
8399 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8401 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8403 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8405 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8406 * integrate.c (expand_inline_function): Initialize them.
8407 (subst_constants): If changing COMPARE so that both its arguments
8408 will be VOIDmode and the comparison mode will be lost, note
8409 compare_mode. Use the recorded compare_mode to optimize
8412 2001-01-23 Jason Merrill <jason@redhat.com>
8414 * dwarf2out.c (new_die): Use xcalloc.
8415 (output_die): Abort rather than emit a local reference to offset 0.
8417 2001-01-17 Andrew Haley <aph@redhat.com>
8419 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8420 of a saved register; return NULL instead.
8421 (copy_reg): Take a pointer to a source register rather than a
8423 (next_stack_level): Remember the address in the stack frame of all
8425 Use the saved register pointer array as the source of the CFA.
8426 (throw_helper): Rewrite. Unwind once rather than twice and keep
8427 track of saved registers as we go.
8429 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8431 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8432 * c4x.c (c4x_legitimize_reload_address): Remove.
8433 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8434 reload address for ldp(k) insn.
8436 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8438 * pa.md (return_internal): Add a USE of the PIC register to ensure
8439 it is restored after each call.
8440 (return expander): Corresponding changes.
8442 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8444 * rs6000.h (INIT_EXPANDERS): Delete.
8445 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8446 * rs6000.c (rs6000_override_options): Call *_machine_status from
8448 (rs6000_init_expanders): ...instead of here. Delete.
8449 (rs6000_mark_machine_status): New function.
8450 (rs6000_init_machine_status): Use xcalloc.
8451 (rs6000_return_addr): Generate RTX for the return address.
8452 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8453 (rs6000_stack_info): Use it.
8455 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8457 * gthr-win32.h: Include errno.h to get a declaration for
8458 EINVAL and _mingw.h if the target is mingw32.
8460 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8462 * cpp.texi: Correct typos.
8464 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8466 * explow.c (probe_stack_range): Ensure value passed to
8467 stack_check_libfunc is ptr_mode, not Pmode.
8469 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8471 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8472 case, don't use operand_subword to calculate a SUBREG that is
8475 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8477 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8479 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8480 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8481 valid. If not replace it by equivalent insns.
8483 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8485 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8486 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8487 (c4x_U_constraint, symbolic_address_operand): Likewise.
8488 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8490 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8491 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8492 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8493 anulling slot because of silicon bug.
8494 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8496 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8498 * cppexp.c (parse_charconst): Change `mask' type to agree
8501 2001-01-21 Richard Henderson <rth@redhat.com>
8503 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8504 pic_label_name in a linkonce section.
8506 2001-01-17 Philipp Thomas <pthomas@suse.de>
8508 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8510 * configure: Regenerate.
8512 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8514 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8515 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8517 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8519 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8520 If REVERSE nonzero then condition code in X must be reversed.
8521 (encode_section_info): Optimise if/else.
8522 (avr_function_value): Fix formatting.
8524 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8525 (difficult_branch): Likewise.
8526 (rvbranch): Likewise.
8527 (difficult_rvbranch): Likewise.
8529 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8531 * config/avr/libgcc.S: Fix comment.
8533 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8535 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8537 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8539 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8541 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8543 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8544 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8545 * configure, config.in: Regenerate.
8546 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8547 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8548 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8549 (doprint.o): New rule.
8551 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8553 * c-typeck.c (digest_init): Handle boolean types as scalars.
8555 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * stmt.c (expand_return): Don't return anything if size is zero.
8558 Delete redundant assignment to BYTES.
8559 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8561 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8563 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8564 the same as the default library function names.
8565 * config/avr/avr.md: Document special characters after '%'.
8566 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8567 knowing which of the call-used registers are really clobbered.
8568 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8569 New. Both quotient and remainder from one libgcc.S call.
8570 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8571 clobber as few registers as possible.
8572 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8574 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8576 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8577 context of the top of the stack.
8579 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8581 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8582 (fixup_var_refs_insns): ...here.
8584 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8586 * function.c (fixup_var_refs_insns): Break up into
8587 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8588 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8589 [loop over hash table entries].
8590 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8591 fixup_var_refs_insns_with_hash, to match above changes.
8593 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8595 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8596 (libgcc.a): Likewise.
8597 (stmp-multilib): Likewise.
8598 (STAGE2_FLAGS_TO_PASS): Likewise.
8600 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8602 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8603 temporary if no_new_pseudos.
8605 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8607 * cppinternals.texi: Update.
8609 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8611 * arm.c (arm_init_builtins): Re-enable builtins.
8613 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8615 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8616 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8617 element to be null, and always expect an EXPR_LIST.
8618 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8619 * sched-deps.c (sched_analyze_1): Likewise.
8620 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8622 * regclass.c (max_set_parallel): New variable.
8623 (reg_scan): Take it into account in computation of max_parallel.
8624 (reg_scan_mark_refs, case SET): Compute it.
8626 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8628 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8629 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8631 2001-01-19 Jason Merrill <jason@redhat.com>
8633 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8634 for the abstract instance of an inline function.
8636 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8637 J"orn Rennecke <amylaar@redhat.com>
8639 * reload1.c (move2add_note_store): Treat all registers directly or
8640 indirectly derived from a base register as members of the same set
8642 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8643 of base register into account.
8645 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8647 * alias.c (find_base_value): Recognize TRUNCATE.
8648 (record_set): In PLUS case, invalidate if other summand is also a
8651 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8653 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8654 entry to be EXPR_LIST.
8655 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8656 be an EXPR_LIST (but not null, which other code doesn't allow).
8657 (note_stores): Properly handle PARALLEL in SET.
8658 Recursively call for top-level PARALLEL.
8659 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8660 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8662 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8664 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8666 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8667 not pfile->skipping (== 0).
8669 2001-01-17 Nick Clifton <nickc@redhat.com>
8671 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8674 2001-01-17 Jim Wilson <wilson@redhat.com>
8676 * invoke.texi (IA-64 options): Improve.
8678 2001-01-17 Tom Tromey <tromey@redhat.com>
8680 * invoke.texi (Optimize Options): Use `{}' to around @samp
8683 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8685 * invoke.texi (-fno-guess-branch-probability): New option.
8687 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8689 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8690 case of making new double-word constant.
8691 Revert last change: instead just test i3_subst_into_i2.
8693 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8695 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8696 Use q constraints instead of r.
8698 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8700 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8701 (machine_function): Define.
8702 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8703 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8704 pa_free_machine_status): New functions.
8705 (override_options): Set {init,mark,free}_machine_status to above.
8706 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8707 PIC_OFFSET_TABLE_REGNUM_SAVED.
8708 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8709 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8710 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8711 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8712 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8714 2001-01-15 DJ Delorie <dj@redhat.com>
8716 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8720 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8722 * flow.c (propagate_on_insn): Make trying to delete a prologue
8723 or epilogue insn an ICE, not a warning. Allow doing this if
8724 the current function returns with stack pointer depressed.
8726 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8727 I3 having more than one SET.
8729 2001-01-16 Jim Wilson <wilson@redhat.com>
8731 * invoke.texi: Document IA-64 options.
8733 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8734 (fixup_errata): Delete TARGET_A_STEP use.
8735 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8736 (TARGET_SWITCHES): Delete -ma-step option.
8737 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8738 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8739 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8740 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8741 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8742 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8744 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8745 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8746 cmovsi_internal): Delete ! TARGET_A_STEP check.
8748 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8750 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8751 possibility to report bugs via postal mail. Change a URL and
8752 merge in a nearly duplicate statement...
8753 (Bug Reporting): ...from here.
8754 (Service): Refer to the Bug Reporting section instead of
8756 (Contributing): Remove trivial explanations concerning snapshots.
8758 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8760 * cppmain.c (general_init): Don't use ANSI prototype.
8762 2001-01-16 Tom Tromey <tromey@redhat.com>
8764 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8766 2001-01-16 Richard Henderson <rth@redhat.com>
8768 * config/i386/i386.h: Fix comment typo.
8769 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8770 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8772 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8774 * gcc.c: Revert previous -fsyntax-only-related change; move
8777 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8779 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8780 inmode after checking GET_CODE (op).
8782 2001-01-16 Richard Henderson <rth@redhat.com>
8784 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8785 (MAX_MEM_SET_LIST_LEN): New.
8786 (propagate_one_insn): Update mem_set_list_len.
8787 (invalidate_mems_from_autoinc): Likewise.
8788 (invalidate_mems_from_set): Likewise.
8789 (mark_used_regs): Likewise.
8790 (init_propagate_block_info): Likewise. Stop collecting memories
8791 when we reach MAX_MEM_SET_LIST_LEN.
8792 (mark_set_1): Likewise.
8794 2001-01-16 Richard Henderson <rth@redhat.com>
8796 * unroll.c (precondition_loop_p): Fail if no iteration
8799 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8801 * gcc.c: When -fsyntax-only is given, do not complain about
8804 2001-01-15 Richard Henderson <rth@redhat.com>
8806 * config/i386/i386.c (asm_output_function_prefix): Remove.
8807 (ix86_asm_file_end): New.
8808 (load_pic_register): Generate pic_label_name into a
8809 staticly allocated buffer.
8810 * config/i386/i386-protos.h: Update.
8811 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8812 (ASM_FILE_END): New.
8813 * config/i386/i386afe.h: New file.
8814 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8815 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8816 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8817 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8818 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8819 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8820 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8822 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8824 * Makefile.in (install-man): Remove explicit dependency on
8827 * configure.in, configure: Revert previous patch requiring perl
8830 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8832 * toplev.c (flag_guess_branch_prob): New.
8833 (f_options): Add guess-branch-probability option.
8834 (rest_of_decl_compilation): Only estimate branch probability if
8836 (main): set flag_guess_branch_prob.
8838 * flags.h (flag_guess_branch_prob): New.
8840 2001-01-15 DJ Delorie <dj@redhat.com>
8842 * gcc.texi (Makefile): Add documentation for Makefile targets.
8844 2001-01-15 Philip Blundell <philb@gnu.org>
8846 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8848 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8849 (is_pic): Delete declaration.
8850 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8851 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8852 * config/arm/arm.md (builtin_setjmp_receiver): New.
8854 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8856 * arm.c (use_return_insn): Don't try to determine the function type
8857 until after reload has completed.
8858 (arm_output_epilogue): Don't adjust the sp value recovered from the
8860 (emit_multi_reg_push): Don't record dwarf information for the pc.
8861 * arm.md (eh_epilogue): The function type may have changed, so it
8862 needs to be recalculated.
8863 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8864 unwind tables on arm/netbsd.
8866 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8868 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8869 (negated_cbranchsi4): Likewise.
8871 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8873 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8874 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8875 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8876 pass -mapcs-* options to assembler.
8877 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8878 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8879 (ASM_SPEC): Call subtarget_extra_asm_spec.
8881 2001-01-15 Andreas Jaeger <aj@suse.de>
8883 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8885 (ix86_expand_builtin): Likewise.
8887 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8888 warning about comparison between signed and unsigned.
8890 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8892 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8894 2001-01-14 Ralf Baechle <ralf@gnu.org>
8896 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8897 SUBTARGET_CPP_SPEC apropriatly.
8899 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8901 * varasm.c (make_decl_rtl): Fix typo in last change.
8903 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8905 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8906 linker supports the init_priority C++ attribute.
8907 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8908 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8909 linker does not support init_priority C++ attribute.
8911 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8913 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8915 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8917 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8918 * cp/lex.c (finish_parse): Similarly.
8919 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8920 Return the number of errors encountered.
8921 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8922 * cppmain.c (main): Don't call cpp_destroy.
8924 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8926 * configure.in: Require at least perl 5.6.0 to regenerate
8928 * configure: Regenerate.
8930 2001-01-14 Richard Henderson <rth@redhat.com>
8932 * genrecog.c (DT_veclen_ge): New.
8933 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8934 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8935 (nodes_identical_1): Handle DT_veclen_ge.
8936 (write_cond, debug_decision_2): Likewise.
8938 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8940 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8942 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8944 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8946 * cppmain.c (do_preprocessing): New function; most of the old
8948 (main): Call it to do most of the work.
8949 (cb): Move from global scope to set_callbacks ().
8950 (setup_callbacks): Get the callback pointer.
8951 (general_init, printer_init): Clean up code and comments.
8953 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8955 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8958 2001-01-14 Kazu Hirata <kazu@hxi.com>
8960 * config/h8300/h8300.c (get_shift_alg): Update comments.
8962 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8964 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8965 (alloc_page, ggc_alloc): Add casts to remove warnings.
8967 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8969 * combine.c (simplify_comparison): Don't change `code' when
8970 can't reverse comparison.
8972 2001-01-14 Richard Henderson <rth@redhat.com>
8974 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8975 update all call sites. Return true for all non-label constants.
8977 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8979 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8981 (ix86_expand_branch): Update.
8982 (ix86_expand_setcc): Update to handle multiple test conditions.
8983 (expand_int_movcc): Likewise.
8984 (expand_fp_movcc): Likewise.
8985 * i386-protos.h (ix86_expand_compare): New.
8986 * i386.md (andqi_?_slp, orqi_?_slp): New.
8987 (conditional trap expander): Update call to ix86_expand_compare.
8989 2001-01-14 Richard Henderson <rth@redhat.com>
8991 * config/vax/vax.md: Use nonimmediate_operand instead of
8992 general_operand in destinations.
8994 * config/vax/vax.md (indirect_jump): Use register_operand.
8996 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8997 * config/vax/vax.md (call_pop): Turn into an expander.
8998 (call_value_pop): Likewise.
8999 (call, call_value): New.
9001 2001-01-14 Andreas Jaeger <aj@suse.de>
9003 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9005 (ix86_fp_compare_mode): Add unused attribute.
9006 (ix86_expand_fp_movcc): Remove unused variable.
9007 (ix86_expand_builtin): Make fcode unsigned.
9009 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9010 (expand_expr): Add cast to avoid signed warning.
9011 (store_field): Likewise.
9012 (store_constructor_field): Likewise.
9013 (store_constructor): Likewise.
9014 (store_expr): Likewise.
9015 (clear_storage): Likewise.
9016 (emit_group_store): Likewise.
9017 (emit_group_load): Likewise.
9019 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9021 * c-common.c: Move format checking code to ...
9022 * c-format.c: ... here. New file. Reorder some functions and
9024 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9026 * c-common.h (decl_handle_format_attribute,
9027 decl_handle_format_arg_attribute): Declare.
9028 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9029 (c-common.o): Adjust dependencies.
9030 (c-format.o): New list of dependencies.
9032 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9034 * unroll.c (loop_iterations): If we cannot prove iteration variable
9035 is set once in each iteration, punt.
9037 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9039 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9040 (*strlenhi): Remove clobber (which was buggy) of output address.
9042 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9044 * Makefile.in (generated-manpages): Add gcc.1
9045 ($(srcdir)/gcc.1): New target.
9046 (maintainer-clean): Delete $(srcdir)/gcc.1.
9047 * gcc.texi: Add macros @gccoptlist and @gol.
9048 * invoke.texi: Include option summary in manpage. Mark up option
9049 summary with @gccoptlist and @gol. Use @r in one place where
9051 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9052 * gcc.1: Generate from invoke.texi.
9054 2001-01-13 Richard Henderson <rth@redhat.com>
9056 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9057 (struct page_entry): Add group member.
9058 (struct page_group): New.
9059 (struct globals): Add page_groups member.
9060 (alloc_anon): Only define for using mmap; remove valloc call.
9061 (page_group_index): New.
9062 (set_page_group_in_use): New.
9063 (clear_page_group_in_use): New.
9064 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9065 (free_page, release_pages): Likewise.
9066 * configure.in (with-gc): Default to ggc-page always.
9068 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9070 * reload1.c (replace_pseudos_in_call_usage): Use
9071 reg_equiv_constant and reg_equiv_address, and don't try
9072 regno_reg_rtx first.
9074 2001-01-13 Richard Henderson <rth@redhat.com>
9076 * ggc-page.c (alloc_page): Round up allocation size to one page.
9077 Set e->order on extra pages.
9079 2001-01-13 Richard Henderson <rth@redhat.com>
9081 * genrecog.c (nodes_identical): Expand commentary.
9082 (write_switch): Watch out for identical nodes.
9084 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9086 * cppfiles.c (_cpp_fake_include): New function.
9087 * cpphash.h (_cpp_fake_include): New.
9088 * cpplib.c (do_line): Call _cpp_fake_include when entering
9089 header files in preprocessed input.
9090 * cppmain.c (cb_pragma_implementation): Remove handling.
9091 (setup_callbacks): Don't register pragmas.
9093 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9095 * extend.texi: Udate for CPP.
9097 2001-01-13 Andreas Jaeger <aj@suse.de>
9099 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9101 * regmove.c: Add prototype for replace_in_call_usage.
9103 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9105 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9106 struct cpp_chunk, struct htab, struct toklist,
9107 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9108 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9109 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9110 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9111 (struct macro_args): Delete.
9112 * cpphash.h: See above.
9114 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9116 * cppmain.c (struct printer): Remove no_line_dirs.
9118 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9119 : Use options rather than CPP_OPTION.
9120 (setup_callbacks): Use cb rather than pfile->cb.
9121 (main): No need to check for a buffer. Use cpp_errors.
9122 (printer_init): Don't set no_line_dirs.
9123 (maybe_print_line): Use options not no_line_dirs.
9124 (cb_file_change): Don't call print_line if -P.
9126 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9128 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9130 * c-parse.in (finish_parse): Use cpp_errors.
9131 (__yylex): Use return value of cpp_pop_buffer.
9132 * cp/lex.c (finish_parse): Use cpp_errors.
9133 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9135 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9137 * README.AVR: URLs corrected.
9139 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9141 * c-decl.c (start_function): Don't warn if old prototype is builtin
9142 that's not in C's namespace.
9143 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9144 (_bb): Add prototype for ctime.
9145 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9147 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9149 * i386.c (ix86_fp_comparison_arithmetics_cost,
9150 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9151 ix86_fp_comparison_cost): New functions.
9152 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9153 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9154 two-branch sequences; make static.
9155 (ix86_use_fcomi_compare): Do decision according to the costs.
9156 (split_fp_branch): New.
9157 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9158 * i386-protos.h (ix86_expand_fp_compare): Remove
9159 (ix86_split_fp_branch): Declare.
9161 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9162 and ix86_comparison_operator.
9164 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9167 * i386.c (put_condition_code): Output properly the unordered/ordered
9168 compares in fp case.
9169 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9171 * tm.texi (REVERSE_CONDITION): Document.
9172 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9173 in -ffast-math mode.
9174 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9176 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9178 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9180 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9183 * config/sh/sh.c (mova_p): Fix test for mova_const.
9185 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9187 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9188 cpp_get_options rather than dereferencing pfile and using
9190 * scan-decls.c (scan_decls): Use return value of
9191 cpp_pop_buffer rather than CPP_BUFFER.
9193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9195 * cppinit.c (cpp_handle_option): help_only is now part of the
9196 cpp_options structure.
9197 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9198 cpp_set_callbacks): New functions.
9199 * cpplib.h (cpp_callbacks): Break out as a named structure.
9200 (cpp_options): Move help_only here from cpp_reader.
9201 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9202 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9203 cpp_set_callbacks): New prototypes.
9204 * cppmain.c (main): Update for help_only.
9206 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9208 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9209 Also build and remove and install and uninstall c-tree.info and
9211 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9212 ($(srcdir)/cppinternals.info): New target.
9213 * c-tree.texi: Change file name used when makeinfo used without -o
9214 from ir.info to c-tree.info. Add info directory entry.
9215 * cppinternals.texi: Add info directory entry.
9216 * .cvsignore: Update.
9218 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9220 * c-typeck.c (store_init_value): Don't require constant initializer
9221 elements with -pedantic -std=c99.
9222 (digest_init): Change error about non-constant initializer elements
9224 (constructor_range_end): Remove.
9225 (constructor_incremental, designator_depth,
9226 designator_errorneous): New variables.
9227 (struct constructor_stack): Remove range_end, add incremental.
9228 (struct constructor_range_stack, constructor_range_stack): New.
9229 (struct initializer_stack): Add constructor_range_stack.
9230 (finish_init): Set it.
9231 (start_init): Likewise. require_constant_elements for non-static
9232 trees only if not flag_isoc99.
9233 (really_start_incremental_init): Remove constructor_range_end, add
9234 constructor_incremental.
9235 (pop_init_level): Likewise.
9236 (push_init_level): Likewise. If implicit and the subobject had some
9237 value set already, preinitialize the level with it.
9238 Warn about missing braces only if not pushing due to designators.
9239 (set_designator, push_range_stack): New functions.
9240 (set_init_label): Use them.
9241 (set_init_index): Likewise. Remove constructor_range_end.
9242 Error if designator index is outside of array bounds.
9243 (add_pending_init): Compare values of purpose index trees, not the
9244 trees themselves. Allow overwriting of already initialized element.
9245 Issue a warning if it had side-effects.
9246 (set_nonincremental_init, set_nonincremental_init_from_string): New
9248 (pending_init_member): Rename to...
9249 (find_init_member): ...this function. Call set_nonincremental_init
9250 if necessary. Compare values of purpose index trees, not the trees
9251 themselves. Return the actual value, not just non-zero if something
9253 (output_init_element): Remove checks for duplicates.
9254 If field has zero size, only check the initializer for correctness.
9255 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9256 if constructor_incremental is zero. Change error about initializers
9257 not computable at load time into pedwarn.
9258 (output_pending_init_elements): Compare bit positions, not
9259 FIELD_DECLs to take into account zero-sized fields.
9260 (process_init_element): Use constructor_range_stack to fill all
9261 ranges in the designator lists from current level up.
9262 * extend.texi: Update documentation for labeled elements.
9264 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9266 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9267 to function usage for arguments passed by reference. Optimize
9268 callee-copied arguments.
9269 * regmove.c (replace_in_call_usage): New function.
9270 (fixup_match_1): Call it.
9271 * cse.c (cse_insn): Canonicalize registers in function usage.
9272 * reload1.c (replace_pseudos_in_call_usage): New function.
9275 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9278 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9280 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9283 2001-01-12 DJ Delorie <dj@redhat.com>
9285 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9286 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9289 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9291 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9292 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9293 -std options alongside references to -ansi. Update some
9294 documentation for C99.
9295 * cpp.1: Regenerate.
9297 2001-01-12 Andreas Jaeger <aj@suse.de>
9299 * haifa-sched.c (restore_line_notes): Remove argument block B
9301 * sched-ebb.c (schedule_ebb): Change caller.
9302 * sched-rgn.c (schedule_region): Likewise.
9303 * sched-int.h (restore_line_notes): Adjust prototype.
9305 * loop.h: Remove wrong declaration of doloop_condition_get.
9307 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9309 * extend.texi: Move C++-extension-related node from the C section
9310 into the C++ section.
9312 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9314 * extend.texi: Refer to an array of pointers to functions instead
9315 of one of functions.
9317 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9318 Jan Hubicka <jh@suse.cz>
9320 * combine.c (reversed_comparison): Fix typo in last patch.
9322 (combine_reversed_comparison_code): Make static to follow
9323 prototype declaration.
9325 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9327 * install.texi: Remove misplaced duplicate entry.
9329 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9331 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9333 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9335 * final.c: (leaf_function_p): Fix typo.
9337 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9339 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9340 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9342 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9343 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9344 mmap_anon, and valloc is available.
9345 * ggc-page.c: Restructure ifdef logic to match new autoconf
9346 spec. Don't throw away the test page in init_ggc.
9348 * configure, config.in: Regenerate.
9350 2001-01-12 Michael Hayes <mhayes@redhat.com>
9352 * loop.h (total_biv_increment): Constify iv_class pointer.
9353 (struct induction): Replace `mem_mode' with `mem' rtx.
9354 * unroll.c (total_biv_increment): Constify iv_class pointer.
9355 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9356 (find_mem_givs, combine_givs_p): Likewise.
9357 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9359 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9361 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9363 (__gthread_getspecific): Ditto.
9365 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9367 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9368 put_condition_code): Convert fp comparison codes to integer
9370 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9373 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9374 * i386-protos.h (no_comparison_operator): Kill.
9376 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9378 * combine.c (REVERSIBLE_CC_MODE): Remove.
9379 (reversible_comparison_p): Remove.
9380 (combine_reversed_comparison_code): New.
9381 (reversed_comparison): New.
9382 (combine_simplify_rtx): Use
9383 combine_reversed_comparison_code/reversed_comparison instead
9384 of reversible_comparison_p.
9385 (simplify_if_then_else): Likewise.
9386 (simplify_set): Likewise.
9387 (simplify_logical): Likewise.
9388 (if_then_else_cond): Likewise.
9389 (known_cond): Likewise.
9390 (simplify_comparison): Likewise.
9392 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9394 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9395 sizeof (int) is larger than sizeof(__word__).
9397 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9399 * cppinit.c (do_includes): Fix typo.
9401 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9403 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9404 in S_REGS does not occur because not all sources are possible
9405 when a S_REGS is a destination (sometimes needs a clobber).
9406 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9407 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9408 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9409 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9410 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9411 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9412 (lshrdi_const1, lshrsi3_const16): Likewise.
9413 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9414 (*movhi_68hc12, *movqi_68hc12): Likewise.
9415 (movstrictqi): Make sure reloading in D_REGS as a destination
9418 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9420 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9422 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9424 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9425 -D, -U and -A, and don't initialize the builtins.
9426 (do_includes): Error if -include or -imacros with -fpreprocessed.
9427 * cppmain.c (cb_define, cb_undef): Unconditionally process
9429 * tradcpp.c (main): Fix typo.
9431 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9433 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9434 (read_name_map): Use IS_ABSOLUTE_PATH.
9435 * tradcpp.c (get_filename): Likewise.
9437 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9439 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9440 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9441 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9442 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9443 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9444 (cmphi_z_used): Don't use '@' for the output.
9445 (tstqi_z_used): Likewise.
9446 (cmpqi_z_used): Likewise.
9447 (one_cmplsi2): Likewise.
9449 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9451 * config/sh/sh.c (barrier_align): Recognize branch around far
9452 branch and redundant insn.
9454 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9456 * invoke.texi: Restore documentation of the drivers' switches -MD
9459 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9461 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9463 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9464 check-objc//%): Support parallel testing of multilibs.
9465 (TESTSUITEDIR): Set to testsuite by default, but override for
9467 (check-gcc, check-g++, check-g77, check-objc): Enter
9470 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9472 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9473 * sched-deps.c (deps_may_trap_p): Likewise.
9474 * basic-block.h: Remove a comment.
9475 * flow.c (PROP_POSTRELOAD): Remove.
9476 (update_life_info): Don't add it to prop_flags.
9477 (mark_set_1): Lose the code that was enabled by it.
9479 2001-01-11 Michael Hayes <mhayes@redhat.com>
9481 * flow.c (flow_call_edges_add): New.
9482 * basic_block.h (flow_call_edges_add): New.
9484 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9486 * reload1.c (move2add_note_store): Update reg_set_luid even if
9487 base reg remains the same.
9489 2001-01-10 Nick Clifton <nickc@redhat.com>
9491 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9492 machine_function structure to zero.
9493 Add prototypes for machine_status functions.
9495 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9497 * c-common.h (CTI_VOID_LIST): Remove.
9498 (void_list_node): Likewise.
9499 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9500 (void_list_node): New macro.
9501 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9502 * config/i386/i386.c (ix86_init_builtins): Likewise.
9503 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9505 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9507 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9508 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9510 * tradcpp.c: Include mkdeps.h.
9511 (deps, print_deps_phony_targets, deps_append, output_deps,
9512 init_dependency_output, output_deps): New.
9513 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9514 deps_output): Delete.
9515 (print_deps_missing_files): Rename deps_missing_files.
9516 (inhibit_output): Make global.
9517 (main): Delete inhibit_output, deps_stream, deps_target.
9518 Use mkdeps functionality in the same way as cpplib. Remove
9519 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9520 -M and -MM. Remove old handling of deps via deps_out, and
9521 old reading of environment variables.
9522 (get_filename): Update to use deps_add_dep.
9524 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9526 * output.h (make_function_rtl): Remove prototype.
9527 (make_decl_rtl): Likewise.
9528 * varasm.c (make_function_rtl): Remove.
9529 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9530 than from a third parameter.
9531 * tree.h (make_decl_rtl): Remove last parameter.
9532 * c-decl.c (builtin_function): Remove last argument in call to
9533 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9534 (start_function): Likewise.
9535 * except.c (call_get_eh_context): Likewise.
9536 * expr.c (emit_block_move): Likewise.
9537 (clear_storage): Likewise.
9538 * profile.c (output_func_start_profiler): Likewise.
9539 * toplev.c (rest_of_decl_compilation): Likewise.
9540 * objc/objc-act.c (create_builtin_decl): Likewise.
9541 (synth_module_prologue): Likewise.
9542 (generate_static_reference): Likewise.
9543 (build_selector_reference_decl): Likewise.
9544 (build_class_reference_decl): Likewise.
9545 (build_objc_string_decl): Likewise.
9546 (build_protocol_reference): Likewise.
9548 2001-01-10 Richard Henderson <rth@redhat.com>
9550 * hwint.h: Revert yesterday's change.
9552 2001-01-10 Nick Clifton <nickc@redhat.com>
9554 * function.h (save_machine_status): Delete.
9555 (restore_machine_status): Delete.
9556 Amend comment describing {init|mark|free}_machine_status.
9558 * function.c (save_machine_status): Delete.
9559 (restore_machine_status): Delete.
9560 Amend comment describing {init|mark|free}_machine_status.
9561 (push_function_context_to): Remove invocation of
9562 save_machine_status.
9563 (pop_function_context_from): Remove invocation of
9564 restore_machine_status.
9566 * emit-rtl.c (init_emit_once): Amend comment describing
9567 {init|mark|free}_machine_status.
9569 * tm.texi (Per-Function Data): New node. Describe the
9570 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9573 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9575 * cppinit.c (OPT_g): Remove.
9576 (cpp_handle_option): Update for removed -g3.
9577 (print_help): Update.
9578 * cpplib.h (struct cpp_options): Remove debug_output.
9579 * cppmain.c (setup_callbacks, cb_define): Update.
9580 * gcc.c (cpp_options): Translate -g3 to -dD.
9582 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9584 * config/i960/i960.md: Change modifier to + on the zero_extract
9585 pattern after the (rotate -2 reg) canonicalization pattern.
9587 2001-01-10 Richard Henderson <rth@redhat.com>
9589 * config/alpha/alpha.c (alpha_free_machine_status): New.
9590 (override_options): Install it.
9591 (alpha_mark_machine_status): Verify machine non-null.
9592 * config/i386/i386.c (ix86_free_machine_status): New.
9593 (override_options): Install it.
9594 (ix86_init_machine_status): Use xcalloc.
9595 (ix86_mark_machine_status): Verify machine non-null.
9596 * config/ia64/ia64.c (ia64_free_machine_status): New.
9597 (ia64_override_options): Install it.
9598 (ia64_mark_machine_status): Verify machine non-null.
9600 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9602 * function.c (instantiate_virtual_regs): Instantiate virtual
9603 registers found in CALL_INSN_FUNCTION_USAGE.
9605 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9607 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9608 equivalent to -ansi in disabling -Di386.
9610 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9612 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9614 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9616 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9618 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9620 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9622 * invoke.texi: Document that -fcond-mismatch isn't supported for
9625 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9627 * gcc.texi: Define macro gcctabopt.
9628 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9629 @command, @env and @option in some places where appropriate. Use
9630 @gcctabopt where appropriate. Put URLs and email addresses inside
9633 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9635 * gcc.c (cpp_options): Set MD file name from output
9636 filename, if specified.
9637 (suffix_subst): New static variable.
9638 (do_spec): Clear it.
9639 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9641 (give_switch): Handle suffix_subst.
9643 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9645 * invoke.texi: Fix another typo.
9647 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9649 * invoke.texi: Fix typo.
9651 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9653 * c-lang.c (lang_hooks): Update.
9654 (lang_decode_option): Remove.
9655 (lang_init_options): Rename c_init_options.
9656 * toplev.c (main): Use lang_hooks for lang_init_options
9657 and lang_decode_option.
9658 * toplev.h (lang_hooks): Add 2 new hooks.
9659 * tree.h: Remove lang_init_options and lang_decode_option.
9660 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9661 * cp/decl2.c: Similarly.
9662 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9663 (lang_hooks): Update.
9664 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9666 (lang_init_options): Rename ffe_init_options.
9667 (lang_hooks): Update.
9668 (lang_decode_option): Remove.
9669 * java/lang.c (lang_init_options): Rename java_init_options.
9670 (lang_decode_option): Rename java_decode_option.
9671 (lang_hooks): Update.
9672 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9673 (lang_decode_option): Rename objc_decode_option.
9674 (lang_hooks): Update.
9676 2001-01-09 Nick Clifton <nickc@redhat.com>
9678 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9679 (d30v_return_addr_rtx): Delete.
9680 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9681 cfun->machine structure.
9682 (struct machine_function): Move to d30v.h
9683 (d30v_save_machine_status): Delete.
9684 (d30v_restore_machine_status): Delete.
9685 (d30v_init_machine_status): New Function.
9686 (d30v_mark_machine_status): New Function.
9687 (d30v_free_machine_status): New Function.
9688 (d30v_init_expanders): Use new functions.
9689 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9690 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9691 d30v_return_addr_rtx.
9693 * config/d30v/d30v.h (struct_machine): Move here.
9694 Add eh_epilogue_sp_ofs field.
9696 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9697 field in cfun->machine structure.
9699 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9701 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9702 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9703 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9705 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9707 * objc/lang-options.h: Remove bogus reference to
9710 2001-01-09 Kazu Hirata <kazu@hxi.com>
9712 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9715 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9717 * reload.c (find_reloads_address): Check for eliminable registers
9718 when substituting a constant expression for a pseudo.
9720 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9722 * c-common.c (enum format_type): Add format_type_error.
9723 (decode_format_type): New function.
9724 (decl_attributes): Use it.
9725 (format_kind_info): Adjust comment.
9727 2001-01-09 David O'Brien <obrien@BSDi.com>
9729 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9730 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9732 * config/i386/gnu.h: Don't include required platform specific .h files,
9733 tm.h will do it instead.
9734 * config/i386/i386elf.h: Likewise.
9735 * config/i386/linux.h: Likewise.
9736 * config/i386/moss.h: Likewise.
9737 * config/mips/gnu.h: Likewise.
9739 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9741 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9742 (rs6000-ibm-aix3.[01]*): Likewise.
9743 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9744 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9745 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9746 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9747 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9748 (powerpc-*-eabiaix*): Likewise.
9749 (powerpc-*-eabisim*): Likewise.
9750 (powerpc-*-elf*): Likewise.
9751 (powerpc-*-eabi*): Likewise.
9752 (powerpc-*-rtems*): Likewise.
9753 (powerpc-*-linux*libc1): Likewise.
9754 (powerpc-*-linux*): Likewise.
9755 (powerpc-wrs-vxworks*): Likewise.
9756 (powerpcle-wrs-vxworks*): Likewise.
9757 (powerpcle-*-sysv*): Likewise.
9758 (powerpcle-*-elf*): Likewise.
9759 (powerpcle-*-eabisim*): Likewise.
9760 (powerpcle-*-eabi*): Likewise.
9761 (powerpcle-*-solaris2*): Likewise.
9762 * config/rs6000/aix31.h: Delete includes.
9763 * config/rs6000/aix3newas.h: Likewise.
9764 * config/rs6000/aix41.h: Likewise.
9765 * config/rs6000/aix43.h: Likewise.
9766 * config/rs6000/beos.h: Likewise.
9767 * config/rs6000/rtems.h: Likewise.
9768 * config/rs6000/sysv4.h: Likewise.
9770 2001-01-09 Kazu Hirata <kazu@hxi.com>
9772 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9773 Change an argument mode of machine_mode to shift_mode of
9774 shift_mode. Remove an extra error check.
9775 (emit_a_shift): Adopt to the new calling prototype of
9777 (function_prologue): Fix code for a monitor
9778 function. Support H8/S.
9779 (function_epilogue): Do not output pop for a monitor function.
9781 2001-01-09 Nick Clifton <nickc@redhat.com>
9783 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9784 (setup_incoming_varargs): Use sysv_varargs_p field of the
9785 cfun->machine structure.
9786 (struct machine_function): Move to rs6000.h
9787 (rs6000_save_machine_status): Delete.
9788 (rs6000_restore_machine_status): Delete.
9789 (rs6000_init_machine_status): New Function.
9790 (rs6000_free_machine_status): New Function.
9791 (rs6000_init_expanders): Use new functions.
9793 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9795 (struct machine_function): Move here.
9797 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9798 sysv_varargs_p field of the cfun->machine structure.
9800 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9802 (rs6000_restore_machine_status): Remove prototype.
9804 2001-01-09 Richard Henderson <rth@redhat.com>
9806 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9807 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9808 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9809 (sched_analyze_2, sched_analyze_insn): Likewise.
9810 (sched_analyze, init_deps): Likewise.
9811 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9812 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9813 (compute_block_backward_dependences): Update propagate_deps call.
9815 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9817 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9819 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9821 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9822 (cpp_handle_option): Handle them.
9823 (cpp_post_options): Ensure one of -M or -MM is specified with
9824 any other -M? option.
9825 (init_dependency_output): Suppress output with -MG.
9827 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9830 * invoke.texi: Update.
9832 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9834 * sh.md (reload_outsf): Generate recognizable patterns for
9837 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9839 * c-lang.c (lang_hooks): Update.
9840 (lang_init): Rename c_init.
9841 (lang_finish): Remove.
9842 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9844 * toplev.h (lang_hooks): Add init () and finish ().
9845 * tree.h (lang_init, lang_finish): Remove.
9846 * cp/tree.h (lang_init, lang_finish): Remove.
9847 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9848 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9850 (lang_init, lang_finish): Remove.
9851 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9852 (lang_hooks): Update.
9853 * java/lang.c (lang_init): Rename java_init.
9854 (lang_finish): Remove.
9855 (lang_hooks): Update.
9856 * objc/objc-act.c (lang_init): Rename objc_init.
9857 (lang_finish): Remove.
9858 (lang_hoooks): Update.
9860 20001-01-09 Graham Stott <grahams@redhat.com>
9862 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9863 after `ptr` is initialised.
9865 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9867 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9868 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9869 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9870 stack adjusts, instead of r3.
9872 2001-01-09 Michael Hayes <mhayes@redhat.com>
9874 * flow.c (flow_loop_scan): Break out of ...
9875 (flow_loops_find) ... here.
9876 * basic-block.h (flow_loop_scan): New.
9877 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9878 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9880 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9882 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9884 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9885 realloc()ing macro_buffer.
9887 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9888 if it's wider than long and the target's long is wider than the
9891 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9893 Remove support for using UWIN as a host machine.
9894 * configure.in: Issue an error message.
9895 * configure: Regenerated.
9896 * config.gcc: Remove xm_* UWIN configury.
9897 * config/i386/xm-uwin.h: Remove.
9899 2001-01-08 Nick Clifton <nickc@redhat.com>
9901 * config/v850/v850.c (ra_rtx): Delete.
9902 (v850_save_machine_status): Delete.
9903 (v850_restore_machine_status): Delete.
9904 (v850_init_machine_status): New function.
9905 (v850_mark_machine_status): New function.
9906 (v850_free_machine_status): New function.
9907 (v850_return_addr): Use ra_rtx field in machine structure.
9908 (v850_init_expanders): Use new functions.
9910 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9911 * config/v850/v850.c: Change arguments to v850_output+* functions
9912 to take a const char *, to avoid compile time warning.
9913 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9914 (USER_LABEL_PREFIX): Redefine.
9916 2000-01-08 Jim Wilson <wilson@redhat.com>
9918 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9919 1 to unsigned HOST_WIDE_INT before left shift.
9921 2001-01-08 Nick Clifton <nickc@redhat.com>
9923 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9924 the machine structure has been allocated.
9925 (arm_free_machine_status): New function: Free the machine
9926 specific function structure.
9928 2001-01-08 Richard Henderson <rth@redhat.com>
9930 * jump.c (simplejump_p): Revert last change.
9932 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9934 * cppinit.c (init): Rename init_library.
9935 (cpp_create_reader): Update.
9936 * gcc.c (cpp_options): If -o given, use it as the target of
9939 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9941 * arm.c (arm_arch5e): New variable.
9942 (all_cores): XScale is a 5TE device.
9943 (arm_override_options): Set arm_arch5e.
9944 (arm_init_builtins): __builtin_prefetch is in arch5e.
9945 * arm.h (arm_arch5e): Declare it.
9947 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9949 * arm.md (define_constants): Add defines for UNSPEC and
9950 UNSPEC_VOLATILE insns. Update all users.
9951 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9952 * arm.c (multi_register_push, note_invalid_constants)
9953 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9954 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9955 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9957 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9959 * jump.c (jump_optimize_1): Use reversed_comparison_code
9960 instead of can_reverse_comparison_p.
9961 (jump_back_p): Likewise.
9962 (invert_exp_1): Likewise.
9963 (thread_jumps): Likewise.
9964 * simplify-rtx.c (simplify_unary_operation): Likewise.
9965 (simplify_ternary_operation): Likewise.
9966 * cse.c (find_comparison_args): Convert to use
9967 can_reverse_comparison_p.
9968 (record_jump_equiv): Likewise.
9970 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9972 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9973 (EPILOGUE_USES): Define.
9974 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9975 automatically stack the LR if it isn't live.
9977 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9979 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9982 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9984 * ggc-page.c (max_alignment): New structure.
9985 (MAX_ALIGNMENT): New macro.
9986 (init_ggc): Use it to round up the sizes in the
9987 extra_order_size_table.
9989 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9991 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9994 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9996 * builtins.def (BUILT_IN_FPRINTF): New entry.
9998 * c-common.c (c_expand_builtin_fprintf): New function.
9999 (init_function_format_info): Handle __builtin_fprintf.
10000 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10001 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10003 * c-decl.c (duplicate_decls): Adjust comment.
10005 * extend.texi (fprintf): Document new builtin.
10007 2001-01-07 Richard Henderson <rth@redhat.com>
10009 * jump.c (simplejump_p): Recognize any single_set jump
10010 of the proper form.
10012 2001-01-07 Richard Henderson <rth@redhat.com>
10014 * configure.in (slibdir): Accept an --with-slibdir option.
10015 Use "test" not "[" in configure. Default to $(libdir).
10017 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10019 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10020 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10021 (SHLIB_LINK): Create links for the soname.
10022 * config/mips/t-iris6: Likewise.
10023 * config/sparc/t-slibgcc: Likewise.
10024 * config/sparc/t-slibgcc-sld: Likewise.
10026 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10028 * config/i386/i386.c (constant_call_address_operand): Accept
10029 (const (plus (symbol_ref) (const_int))).
10030 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10031 constant_call_address_operand.
10033 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10035 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10036 and LONG_LONG_TYPE_SIZE > 32.
10038 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10040 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10041 the previous change.
10043 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10045 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10047 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10048 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10049 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10052 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10054 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10056 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10058 * c-lang.c (c_post_options): Call cpp_post_options.
10059 * objc/objc-act.c (objc_post_options): Similarly.
10060 * cppmain.c (main): Similarly.
10061 * fix-header.c (read_scan_file): Similarly.
10062 * cppinit.c (cpp_start_read): Move option consistency checks
10063 to cpp_post_options. Don't call init_dependency_output.
10064 If needed, add default target and main file dependency.
10065 (OPT_MD, OPT_MMD): Remove.
10067 (cpp_handle_option): Update for OPT_* changes.
10068 (cpp_post_options): New.
10069 (init_dependency_output): Command line -MF overrides environment
10070 variables. Don't set default target etc. Suppress output
10071 if dependencies are going to stdout.
10072 (print_help): Update.
10073 * cpplib.h (cpp_post_options): New.
10074 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10076 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10078 * jump.c (comparison_dominates_p): Support unordered compares.
10080 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10082 * simplify-rtx.c (simplify_relational_operation): Always simplify
10083 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10086 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10088 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10089 (nonzero_bits): Likewise.
10090 (simplify_comparison): Likewise.
10091 (num_sign_bit_copies): Likewise; return more sane value depending
10092 on STORE_FLAG_VALUE.
10093 (known_cond): Do not assume EQ to be always true for equivalent
10096 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10098 * cse.c (fold_rtx): Handle unordered comparisons.
10100 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10102 * rtlanal.c (set_of_1): New static function.
10103 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10104 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10105 reg_set_last_last_regno): Remove.
10106 (set_of): New global function.
10107 (set_of_data): New structure.
10108 (reg_set_p, reg_set_last): Revamp for set_of.
10109 * rtl.h (set_of): New.
10111 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10113 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10114 * extend.texi: Document _Exit builtin.
10116 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10118 * (initialize, initialize_builtins,
10119 initialize_dependency_output, initialize_standard_includes):
10120 Rename s/initialize/init. Update.
10121 (init_dependency_output): Move to after
10122 cpp_handle_options, the correct location temporally at least.
10123 (opt_comp): Move next to init (), its caller. Fix prototype.
10124 (init): Make "initialized" local scope.
10125 (cpp_create_reader): Always call init ().
10126 (cpp_start_read): Update.
10127 (output_deps): New function, broken out of cpp_finish.
10128 (cpp_finish): Break out output_deps.
10130 2001-01-07 Richard Henderson <rth@redhat.com>
10132 * collect2.c (COFF specific stuff): Revert 12-06 patch
10133 to prototype system functions.
10135 2001-01-07 Michael Hayes <mhayes@redhat.com>
10137 * hard-reg-set.h: Add multiple include guard.
10138 * basic-block.h (struct loop): Add `sink' field.
10139 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10140 (emit_iv_add_mult): Delete.
10141 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10142 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10143 (unroll_loop): Remove end_insert_before argument.
10144 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10145 (maybe_eliminate_biv_1): Likewise.
10146 (emit_iv_add_mult): Delete.
10147 (gen_add_mult, loop_regs_update): New.
10148 (loop_insn_emit_after, loop_insn_emit_before): New.
10149 (loop_insn_sink, loop_insn_sink_or_swim): New.
10150 (emit_iv_add_mult): Delete.
10151 (scan_loop): Set loop->sink.
10152 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10153 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10154 (maybe_eliminate_biv_1): Likewise.
10155 (maybe_eliminate_biv_1): Add basic block argument.
10156 * unroll.c (unroll_loop): Remove end_insert_before argument.
10157 (find_splittable_regs): Likewise.
10158 (find_splittable_regs): Use loop_insn_sink and its ilk.
10159 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10161 2001-01-07 Michael Hayes <mhayes@redhat.com>
10163 * loop.h (loop_insn_hoist): New prototype.
10164 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10165 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10166 (check_dbra_loop, load_mems): Likewise.
10167 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10168 (find_splittable_givs): Likewise.
10170 2001-01-07 Michael Hayes <mhayes@redhat.com>
10172 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10174 2001-01-07 Richard Henderson <rth@redhat.com>
10176 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10178 2001-01-07 Richard Henderson <rth@redhat.com>
10180 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10181 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10182 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10183 variant that handles a shared libgcc.
10184 (process_command): Always validate -{static,shared}-libgcc.
10185 (do_spec_1): New 'M' case.
10186 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10188 2001-01-07 Richard Henderson <rth@redhat.com>
10190 * Makefile.in (slibdir): New variable.
10191 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10192 (installdirs): Create slibdir.
10193 (install-libgcc, install-multilib): Defer to libgcc.mk.
10194 * configure.in (slibdir): Substitute.
10195 * mklibgcc.in (install): New target.
10197 * config/t-linux (SHLIB_LINK): Create links for the soname.
10198 (SHLIB_INSTALL): New.
10199 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10200 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10201 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10202 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10203 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10205 2001-01-07 Richard Henderson <rth@redhat.com>
10207 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10208 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10209 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10211 2001-01-07 Michael Hayes <mhayes@redhat.com>
10213 * loop.c (count_loop_regs_set): Delete.
10214 (load_mems_and_recount_loop_regs_set): Delete.
10215 (loop_regs_scan): Merge common code from count_loop_regs_set,
10216 scan_loop, and load_mems_and_recount_loop_regs_set.
10217 (scan_loop): Call load_mems directly and loop_regs_scan
10218 again if new registers created.
10220 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10222 * toplev.c (main): Call the front-end specific post_options
10223 hook if one is given.
10224 * toplev.h (struct_lang_hooks, lang_hooks): New.
10225 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10226 for the C front end.
10227 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10228 lang_hooks for the C++ front end.
10229 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10230 lang_hooks for the ObjC front end.
10231 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10232 * java/lang.c (lang_hooks): Hooks for the Java front end.
10234 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10236 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10237 for verbose DWARF[2] debugging.
10238 (cb_define, cb_undef): The new callbacks.
10239 * toplev.h (debug_define, debug_undef): Make const correct.
10240 * toplev.c (debug_define, debug_undef): Similarly. Do not
10241 perform the verbosity tests here anymore.
10243 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10245 * reload.c (subst_reloads): Take INSN argument. When
10246 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10247 * reload.h (subst_reloads): Adjust prototype.
10248 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10249 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10250 present in JUMP_INSNs and copy them to JUMP_LABEL.
10251 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10252 JUMP_INSNs and insns with REG_LABELs that are followed by
10253 JUMP_INSNs with the same REG_LABEL.
10254 * sched-rgn.c (is_cfg_nonregular): Likewise.
10255 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10257 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10259 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10261 2001-01-06 Richard Henderson <rth@redhat.com>
10263 * loop.c (scan_loop): Use xcalloc for the regs array.
10264 (load_mems_and_recount_loop_regs_set): Zero the new memory
10265 received from xrealloc.
10267 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10269 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10271 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10273 * integrate.c (copy_rtx_and_substitute): When copying
10274 an ignored return value, strip REG_FUNCTION_VALUE_P.
10276 2001-01-06 Michael Hayes <mhayes@redhat.com>
10278 * loop.c (debug_biv, debug_giv): New.
10279 (loop_biv_dump): Break out from ...
10280 (record_biv): ... here.
10281 (loop_giv_dump): Break out from ...
10282 (record_giv): ... here.
10283 (loop_bivs_check): Use print_simple_rtl.
10284 * unroll.c (loop_iterations): Use print_simple_rtl.
10286 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10288 * pa.md (return, return_internal): Modify patterns to prevent regrename
10289 mucking with the return pointer.
10291 2001-01-05 Richard Henderson <rth@redhat.com>
10293 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10295 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10297 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10298 version supplied by Matteo Frigo.
10300 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10302 * cpp.texi: Update for -MQ.
10303 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10304 (cpp_cleanup): Always free pfile->deps.
10305 (initialize_dependency_output): Don't create pfile->deps.
10306 (cpp_handle_option): Similarly.
10308 * gcc.c (cpp_options): Handle -MQ.
10309 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10310 * mkdeps.c (base_name): Remove.
10311 (deps_init): Don't allocate vector space until it's needed.
10312 (deps_free): Only free vectors if allocated.
10313 (deps_add_target, deps_add_dep): Update for initial allocation.
10314 (deps_add_default_target): Don't strip to the base_name.
10316 2001-01-05 DJ Delorie <dj@redhat.com>
10318 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10319 (INIT_EXPANDERS): Define.
10321 * config/v850/v850.c (struct machine_function): Define.
10322 (v850_save_machine_status): New function.
10323 (v850_restore_machine_status): New function.
10324 (v850_return_addr): New function.
10325 (v850_init_expanders): New function.
10327 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10328 and v850_init_expanders.
10330 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10332 * cpplib.h (struct cpp_reader): Add help_only field.
10333 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10334 (cpp_handle_option): Set pfile->help_only if we see -h,
10335 --help, -target-help, or --version. Print version string but
10336 do not set help_only if we see -v or -version. Make text
10337 printed by -v match that printed by (-)-version.
10339 * cppmain.c (main): Exit after option parsing if
10340 pfile->help_only is true.
10342 * toplev.c (independent_decode_option): Call print_version,
10343 then exit, if we see --version (but not -version).
10344 (print_version): Split lengthy message into two lines.
10346 2001-01-05 Nick Clifton <nickc@redhat.com>
10348 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10349 temporary string for initialisation before calling ggc_alloc_string.
10351 2001-01-06 Michael Hayes <mhayes@redhat.com>
10353 * rtl.h (print_simple_rtl): New.
10354 * print-rtl.c (print_simple_rtl): New.
10355 (flag_simple): New.
10356 (print_rtx): Disable printing of flags and modes, etc.,
10357 if `flag_simple` nonzero.
10359 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10361 * function.c (fixup_var_refs): Use push_to_full_sequence where
10364 2001-01-05 Michael Meissner <meissner@redhat.com>
10366 * flags.h (flag_reorder_blocks): Add declaration.
10367 (flag_rename_block): Ditto.
10369 2001-01-05 DJ Delorie <dj@redhat.com>
10371 * function.c (reorder_blocks): Make sure the flags are all reset
10372 before using them to mark blocks, else a second invocation will
10373 corrupt the block chain.
10374 (reorder_blocks_0): New, resets the flags.
10376 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10378 * cse.c (find_comparison_args): Stop if the argument is known to
10381 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10383 * config/sh/sh.md (movdf): When splitting load into pair of
10384 registers, don't clobber the register used in the address too
10387 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10389 * varasm.c (mark_constant_pool): Improve initial comments.
10390 (mark_constants): Move marking of constants to mark_constant.
10391 (mark_constant): New function to recursively mark all constants
10392 referred to by a constant.
10394 2001-01-05 Catherine Moore <clm@redhat.com>
10396 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10398 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10400 * cp/lang-options.h: Bring comment in line with reality.
10401 * f/lang-options.h: Likewise.
10402 * java/lang-options.h: Likewise.
10403 * objc/lang-options.h: Likewise.
10404 * ch/lang-options.h: Likewise.
10405 * f/g77.texi: And update the manual.
10407 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10408 Denis Chertykov <denisc@overta.ru>
10410 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10411 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10412 * config/avr/avr.md (all peepholes that request a scratch register):
10413 Call it, FAIL the peephole if not safe (in interrupt functions).
10415 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10417 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10419 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10421 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10423 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10424 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10425 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10426 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10427 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10429 * extend.texi: Document these builtins.
10431 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10433 * c-common.c (lang_get_alias_set): Say we know nothing of
10434 VECTOR_TYPE aliasing.
10436 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10438 2001-01-05 Bruce Korb <bkorb@gnu.org>
10440 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10441 their x* equivalent versions for atexit-less systems
10442 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10443 systems (or any other system any more).
10445 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10447 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10448 output operands. Use arm_hard_register_operand for operand 4.
10449 (stmsi_postinc): Similarly.
10450 (ldmsi): Use arm_hard_register_operand for opernand 2.
10451 (stmsi): Similarly.
10452 * arm.c (arm_hard_register_operand): New function.
10453 * arm-protos.h (arm_hard_register_operand): Prototype it.
10455 * arm.h (HARD_REGNO_RENAME_OK): Define.
10457 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10459 * simplify-rtx.c (cfc_args): add "unordered" field.
10460 (check_fold_consts): Set unordered field.
10461 (simplify_relational_operation): Simplify the unordered
10464 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10467 * emit-rtl.c (try_split): Fix code to mark labels.
10468 * jump.c (mark_jump_label): Make global.
10469 * rtl.h (mark_jump_label): Declare.
10471 * predict.c (estimate_probability): Handle unordred comparisons.
10473 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10475 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10476 * cppinit.c (initialize_dependency_output): Update.
10477 (cpp_finish): Output dummy targets for -MP.
10479 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10480 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10481 * gcc.c (cpp_options): Update to handle -MP.
10482 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10483 to quote only the default target.
10484 (deps_phony_targets): Insert a preceding newline. Rename from
10485 deps_dummy_targets for consistency.
10488 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10490 * calls.c (emit_library_call_value_1): Support
10491 INIT_CUMULATIVE_LIBCALL_ARGS.
10492 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10494 2001-01-04 Richard Henderson <rth@redhat.com>
10496 * c-decl.c (finish_struct): Detect flexible array members
10497 used in an inappropriate context.
10498 * c-typeck.c (really_start_incremental_init): Special case
10499 constructor_max_index for zero length arrays.
10500 (pop_init_level): Allow initialization of flexible array
10501 members. Deprecate initialization of zero length arrays.
10502 Don't issue missing initializer warning for flexible array
10503 members or zero length arrays.
10504 (process_init_element): Don't dereference null DECL_SIZE.
10505 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10506 Don't abort for empty constructors. Use size_binop
10507 (output_constructor): Add commentary regarding zero length
10508 array futures. Abort if we try to initialize an array of
10509 unspecified length with a non-empty constructor in the middle
10512 * extend.texi (Zero Length): Update and clarify documentation
10513 on static initialization.
10515 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10517 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10518 with more than 32767 words of local storage.
10520 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10522 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10523 for 'abs', 'labs', and 'fabs'.
10524 (c4x_expand_builtin): Likewise.
10525 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10527 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10529 * config/sh/sh.md (prget, prset): New insn types.
10530 (return delay slot): Dont' allow prset.
10531 (call, sfunc delay slot): Don't allow prget.
10532 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10533 for prset and prget.
10535 2001-01-05 Michael Hayes <mhayes@redhat.com>
10537 * loop.h (struct loop_reg): New.
10538 (struct loop_regs): Change to use array of `struct loop_reg'.
10539 * loop.c: Replace assortment of varrays with single regs array.
10540 (count_one_set): Delete may_not_move array argument
10541 and use regs array instead. All caller's changed.
10542 (count_loop_regs_set): Delete may_not_move and single_usage
10543 arguments and use regs array instead. All caller's changed.
10544 (find_single_use_in_loop): Replace usage array argument with pointer
10545 to regs structure. All caller's changed.
10546 (loop_optimize): Delete `moved_once' array.
10548 2001-01-05 Michael Hayes <mhayes@redhat.com>
10550 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10551 Use it instead of loop_info->has_call for scanning loop mems.
10552 (check_dbra_loop): Replace loop_info->has_call test with
10553 loop_info->has_nonconst_call.
10555 2000-01-04 Matthew Hiller <hiller@redhat.com>
10557 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10560 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10562 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10563 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10565 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10567 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10568 (flag_short_double, flag_short_wchar): Define.
10569 (c_common_nodes_and_builtins): Create many tree nodes shared
10570 between C and C++ here instead of in cp/decl.c and ...
10571 * c-decl.c (init_decl_processing): ... here.
10572 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10573 (flag_short_double, flag_short_wchar): Don't define.
10574 (record_builtin_type): New function.
10575 (build_void_list_node): New function.
10576 * c-common.h (flag_short_double, flag_short_wchar,
10577 record_builtin_type, build_void_list_node): Declare.
10579 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10581 * integrate.c (expand_inline_function): Don't put a virtual
10582 register into the reg map.
10584 * function.c (fixup_var_refs_1): If force_operand didn't put
10585 the address into the target, move it there.
10587 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10589 Special-case tree_decl/tree_list allocations.
10590 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10591 (OBJECT_SIZE): New macro.
10592 (NUM_EXTRA_ORDER): Likewise.
10593 (extra_order_size_table): New variable.
10594 (NUM_ORDERS): New macro.
10595 (objects_per_page_table): New variable.
10596 (object_size_table): New variable.
10597 (G.pages): Use NUM_ORDERS to bound the array.
10598 (G.page_tails): Likewise.
10599 (DIV_ROUND_UP): Remove.
10600 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10601 (alloc_page): Use OBJECT_SIZE.
10602 (size_lookup): Don't make it const.
10603 (ggc_alloc): Use OBJECT_SIZE.
10604 (ggc_set_mark): Likewise.
10605 (ggc_get_size): Likewise.
10606 (init_ggc): Set up the object_size_table, objects_per_page_table,
10607 and adjust size_lookup.
10608 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10609 (ggc_pop_context): Use NUM_ORDERS.
10610 (clear_marks): Likewise.
10611 (sweep_pages): Likewise.
10612 (poison_pages): Likewise.
10613 (ggc_print_statistics): Use OBJECT_SIZE.
10615 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10617 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10618 Only call array_size_for_constructor if last field and array type
10619 with no upper bound.
10621 2001-01-04 Philip Blundell <philb@gnu.org>
10623 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10624 from bit 31 downwards, if this requires no more insns.
10625 (count_insns_for_constant): New helper function for above.
10627 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10629 * gencodes.c (output_predicate_decls): Remove empty initializer.
10631 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10633 * tree.c (copy_node): Remove documentation about obstacks.
10634 (buidl1): Check that nobody tries to build 2-argument nodes this
10637 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10639 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10642 * gencodes.c (output_predicate_decls): Fill empty initializer
10645 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10647 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10648 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10650 (do_include): Handle missing headers like cpp0.
10651 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10652 paths with first include pathname. Don't strcat to uninitialized
10655 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10657 * regrename.c (regrename_optimize): Don't rename from frame pointer
10658 if frame_pointer_needed.
10659 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10660 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10661 (ia64_reorg): Use it instead of scheduling if ! optimize.
10662 (errata_emit_nops): Properly call asm_noperands.
10663 (ia64_sched_reorder): Finish cycle if we see an asm.
10664 (ia64_variable_issue): Clear scheduling state after asms.
10666 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10668 * cpp.texi: Update for -MT.
10669 * cppinit.c (initialize_dependency_output): Add a default
10670 target if none has been given already.
10671 (no_tgt, OPT_MT): New.
10672 (cpp_handle_option): Handle -MT. Update -M etc.
10673 * cpplib.h (struct cpp_options): Remove deps_target.
10674 * gcc.c (cpp_options): Handle -MT.
10675 * mkdeps.c (struct deps): Move from mkdeps.h.
10676 (deps_calc_target): Rename deps_add_default_target. Add a
10677 default target if none has been specified already.
10678 * mkdeps.h (struct deps): Move to mkdeps.c.
10679 (deps_calc_target): Rename deps_add_default_target.
10681 2000-01-03 Richard Henderson <rth@redhat.com>
10683 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10685 * c-typeck.c (push_init_level): Move checks for flexible array
10686 members and zero length arrays ...
10687 (pop_init_level): ... here. Silently discard empty initializations.
10689 * varasm.c (output_constructor): Update for sizeof change to
10690 zero-length arrays.
10692 * extend.texi (Zero Length): Clarify semantics.
10694 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10696 * configure.in (tm.h): Include isns-codes.h last.
10697 * configure: Rebuilt.
10699 2001-01-03 Richard Henderson <rth@redhat.com>
10701 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10702 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10704 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10706 * tradcpp.c (main): Make sure finclude() is called with a valid
10707 indepth value while handling -include.
10709 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10711 * gencodes.c (output_predicate_decls): New function.
10713 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10714 even if it is not the first time machmode.h is #included.
10715 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10716 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10717 * gcc.texi (Copyright): Added 2001.
10719 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10721 * c-common.c (c_common_lang_init): New function. Warn if format
10722 warning options which only have effects when used with -Wformat
10723 are used without -Wformat.
10724 * c-common.h (c_common_lang_init): Declare.
10725 * c-lang.c (lang_init): Call c_common_lang_init.
10726 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10728 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10730 * configure.in: Check for the mktemp command.
10731 * configure: Regenerate.
10732 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10733 $TEMP. Create temporary files with mktemp, if available at
10734 configure time; otherwise use set -C. Remove temporary files
10737 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10739 * configure.in: Require at least texinfo 4.0. Check for whether
10740 Pod::Man is sufficiently recent to regenerate GCC manpages.
10741 * configure: Regenerate.
10742 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10744 (GENERATED_MANPAGES): Define.
10745 (generated-manpages): New target. Depend on cpp.1 as well as
10747 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10748 configure to generated-manpages or empty) rather than on the
10749 manpages directly. Remove execute permission from installed
10750 gcov.1 as well as cpp.1.
10751 * cpp.1, gcov.1: Regenerate.
10753 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10755 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10756 tree_low_cst. Allow using cmpstrsi in more cases.
10758 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10760 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10763 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10765 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10766 * Makefile.in (HOST_CFLAGS): Mention build-make.
10768 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10770 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10773 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10775 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10778 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10781 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10782 reg_base_value and reg_known_value arrays.
10783 (init_alias_analysis): Add more cases to detect known values.
10784 * sched-deps.c (deps_may_trap_p): New function.
10785 (sched_analyze_2): Use it.
10787 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10789 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10790 don't discard an ASHIFTRT if we're shifting in a wider mode.
10792 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10794 * toplev.c (rest_of_compilation): Don't print basic block information
10795 when CFG isn't up to date.
10797 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10799 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10800 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10801 (UNALIGNED_SHORT_ASM_OP): Define.
10802 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10804 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10806 * fold-const.c (fold_convert): Fix typo.
10808 2001-01-02 Richard Henderson <rth@redhat.com>
10810 * c-common.h (ASM_INPUT_P): New.
10811 * c-parse.in (asm): Set it when needed.
10812 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10813 existance of an operand.
10815 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10817 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10818 (dwarf2out_frame_debug_expr): Likewise.
10819 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10821 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10823 * i386.c (ix86_split_to_parts): Return number of part required;
10825 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10827 (ix86_split_long_move): Use number of part returned
10828 by ix86_split_to_parts
10829 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10831 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10832 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10833 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10834 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10835 (ALIGN_MODE_128): Add TFmode.
10836 (IS_STACK_MODE): Likewise.
10837 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10838 (HARD_REGNO_OK): Support TFmodes.
10839 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10840 * i386.md (scheduler definitions): Use memory operand to determine
10841 fst/fld instructions; use mode attribute to determine real mode of
10843 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10844 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10846 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10848 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10850 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10852 * expr.c (store_constructor_field): Update ALIGN before calling
10855 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10857 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10860 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10862 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10865 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10867 * c-decl.c (start_function): Don't warn on third parameter to main.
10869 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10871 * tsystem.h: Define HAVE_DECL_GETOPT.
10873 2001-01-02 Philip Blundell <pb@futuretv.com>
10875 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10878 2001-01-02 Richard Henderson <rth@redhat.com>
10880 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10882 2001-01-02 Andreas Jaeger <aj@suse.de>
10884 * c-decl.c (c_decode_option): Remove support of
10885 -Wmissing-noreturn.
10887 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10888 (W_options): Add -Wmissing-noreturn here.
10890 * flow.c: Define lang_missing_noreturn_ok_p.
10891 (check_function_return_warnings): Use it.
10893 * c-common.h: Declare lang_missing_noreturn_ok_p.
10895 * c-lang.c (c_missing_noreturn_ok_p): New function.
10896 (lang_init): Set lang_missing_noreturn_ok_p.
10898 * invoke.texi (Warning Options): Document this.
10900 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10902 * extend.texi (C++ Extensions): New node for C++ attributes;
10903 describe init_priority and com_interface.
10904 * invoke.texi: Remove -finit-priority as it now has zero effect.
10905 * install.texi: Fix xref syntax.
10906 * md.texi: Likewise.
10908 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10910 * config.gcc (sparc64-wrs-vxworks*): New case.
10911 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10913 * config/sparc/sparc.c (sparc_override_options): Do support different
10914 pointer and architecture size.
10915 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10916 (POINTERS_EXTEND_UNSIGNED): Define.
10917 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10918 (FUNCTION_MODE): Define to be Pmode.
10919 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10921 * function.c (expand_function_end): Properly handle DECL_RESULT
10922 and copy when ptr_mode != Pmode.
10923 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10925 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10927 * c-common.c (c_common_nodes_and_builtins): Set prototype
10928 parameters for __builtin_fputs, __builtin_fputc and
10929 __builtin_fwrite. Don't declare plain fputc as a builtin.
10931 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10933 * loop.c (add_label_notes): Increment the label usage count when
10934 a note is added to an insn which refers to a CODE_LABEL.
10935 * gcse.c (add_label_notes): Likewise.
10937 2001-01-01 Andreas Jaeger <aj@suse.de>
10939 * loop.c (scan_loop): Use xmalloc to allocate movables.
10941 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10943 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10944 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10945 * reload1.c (REGISTER_MOVE_COST): Likewise.
10946 * regclass.c (REGISTER_MOVE_COST): Likewise.
10947 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10948 dimension. Adjust all users.
10949 (init_reg_sets_1): Iterate on all modes.
10950 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10951 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10952 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10953 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10954 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10955 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10956 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10957 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10958 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10959 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10960 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10961 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10962 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10963 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10964 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10965 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10966 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10967 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10968 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10969 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10970 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10971 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10972 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10973 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10974 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10975 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10976 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10978 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10980 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10981 arg VARIES_P. Call it with extra arg.
10982 (true_dependence): Likewise.
10983 * rtl.h (rtx_addr_can_trap_p): Declare.
10984 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10986 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10987 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10988 pic offset table register if it's zero. All callers changed.
10989 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10991 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10993 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10994 STRING_POOL_ADDRESS_P.
10996 * config/sparc/sparc.c (input_operand): Properly test for short op.
10998 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10999 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11000 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11001 * config/sparc/elf.h: No longer include sol2.h.
11002 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11003 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11005 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11007 2001-01-01 Michael Hayes <mhayes@redhat.com>
11009 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11010 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11011 (record_initial): Likewise.
11012 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11013 (remap_split_bivs): Likewise.
11015 2001-01-01 Michael Hayes <mhayes@redhat.com>
11017 * loop.c (loop_ivs_free): New function.
11018 (strength_reduce): Break out from...
11020 2001-01-01 Michael Hayes <mhayes@redhat.com>
11022 * loop.h (struct iv): New.
11023 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11024 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11025 'reg_biv_class' fields with 'regs' and 'n_regs'.
11026 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11027 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11028 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11030 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11032 * resource.c (mark_referenced_resources): Abort() before
11033 attempting to mark a pseudo register.
11034 (mark_set_resources): Likewise.
11036 2001-01-01 Michael Hayes <mhayes@redhat.com>
11038 * loop.h (REG_IV_CLASS): New accessor macro.
11039 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11040 * unroll.c (REG_IV_CLASS): Likewise.
11042 See ChangeLog.4 for earlier changes.