1 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
3 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
4 copy of ptr_type_node rather than ptr_type_node itself.
6 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
8 * combine.c (recog_for_combine): Allocate uninitialized vector with
10 * recog.c (apply_change_group): Likewise.
12 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
14 * flow.c (verify_local_live_at_start): Back out last change.
15 * combine.c (distribute_notes): When parts of a hard reg are
16 neither set nor referenced in PLACE, search backwards for a
17 place to put a REG_UNUSED note; if none found, ask for flow
20 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
22 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
23 with (clobber (match_scratch...)).
25 2000-11-06 Neil Booth <neilb@earthling.net>
27 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
30 2000-11-06 Neil Booth <neilb@earthling.net>
32 * tradcpp.c (special_symbol): Assign an null string rather
33 than writing to an unallocated buffer.
35 2000-11-06 Neil Booth <neilb@earthling.net>
37 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
40 2000-11-06 Neil Booth <neilb@earthling.net>
42 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
43 tok.val.arg_no as appropriate.
44 * cppexp.c (lex): Similarly.
45 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
46 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
47 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
48 cpp_macro_definition): Similarly.
49 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
51 2000-11-06 Jakub Jelinek <jakub@redhat.com>
53 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
54 operands[1] is constant, calculate the sum and generate movdi.
55 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
56 (subsi3): Use SImode in call to arith_4096_operand.
58 2000-11-06 Jakub Jelinek <jakub@redhat.com>
60 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
61 adjust %o1, not %o0 if the return type is large structure.
63 2000-11-06 Jakub Jelinek <jakub@redhat.com>
65 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
66 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
68 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
70 * expmed.c (expand_divmod): For signed divide by 2, prefer
71 a branch and fewer shifts if branches are very cheap.
73 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
75 * Makefile.in: Remove all targets related to building
76 distributions and diffs, or INSTALL.
77 * INSTALL, install1.texi: Remove.
78 * configure.in: Remove mention of distdir.
79 * configure: Regenerate.
80 * objc/Make-lang.in: Remove mention of distdir.
82 2000-11-04 Neil Booth <neilb@earthling.net>
84 * cpp.texi: Update for _Pragma.
86 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
88 * gcc.texi (Contributing): Update URL for projects web page.
90 2000-11-04 Neil Booth <neilb@earthling.net>
92 * cpplex.c (parse_string): Don't allow multiline strings in
93 #include family directives.
95 2000-11-04 Neil Booth <neilb@earthling.net>
97 * cpplib.c (do_line): Only warn pedantically if not reading
100 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
102 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
105 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
107 * builtins.c (expand_builtin_strlen): Remove unused mode
109 * gcc.c (process_command): Remove unused variable.
110 * fold-const.c: Include expr.h.
111 * recog.c: Include reload.h.
112 * Makefile.in (recog.o, fold-const.o): Update deps.
114 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
116 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
118 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
120 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
122 (STARTFILE_SPEC): Likewise.
123 (LINK_SPEC): Likewise.
125 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
127 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
128 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
129 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
131 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
133 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
134 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
135 perm_calloc, get_identifier, maybe_get_identifier,
136 real_value_from_int_cst, simple_cst_equal), varasm.c
137 (assemble_name, assemble_real, immed_real_const_1,
138 compare_constant_1, decode_rtx_const, output_constant_pool): Use
139 strrchr () instead of rindex (). Use memcmp () instead of bcmp
140 (). Use memcpy () instead of bcopy (). Use memset () instead of
143 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
145 * cppfiles.c (open_file): If already read, then don't reopen.
146 Immediately close an empty file.
148 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
150 * expr.h (fold_builtin): Move declaration...
151 * tree.h (fold_builtin): ... here.
153 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
155 * flow.c (verify_local_live_at_start): Allow hard regs to die.
157 2000-11-02 Neil Booth <neilb@earthling.net>
160 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
161 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
162 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
163 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
164 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
165 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
166 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
167 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
168 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
169 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
170 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
171 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
172 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
173 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
174 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
175 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
176 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
177 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
178 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
179 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
180 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
181 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
182 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
183 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
184 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
185 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
186 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
187 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
188 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
189 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
190 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
191 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
192 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
193 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
194 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
195 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
196 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
197 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
198 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
199 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
200 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
201 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
202 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
203 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
204 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
205 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
206 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
207 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
208 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
209 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
210 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
211 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
212 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
213 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
214 vax/vaxv.h, vax/vms.h, we32k/we32k.h
216 Replace -A() with -A=, the new assertion syntax.
218 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
220 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
222 In REG_DEAD handling: When handling parts of multi-hard-reg hard
223 registers, increment the loop counter by the size of the parts;
224 use recursion to handle individual parts.
226 2000-11-02 Neil Booth <neilb@earthling.net>
228 * configure.in: Make integrated CPP the default.
229 * configure: Regenerate.
231 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
233 * reload.c (find_equiv_reg): Test all hard registers for membership
234 in the requested class.
236 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
238 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
239 process_command, main), gcov.c (open_files, output_data), tlink.c
240 (frob_extension, scan_linker_output), toplev.c
241 (file_name_nondirectory): Use strchr () and strrchr () instead of
242 index () and rindex ().
244 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
246 * c-common.c (get_flag_spec, check_format_info_main,
247 check_format_types): Use strchr () instead of index (). Compare
248 against error_mark_node instead of comparing the TREE_CODE against
251 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
255 * c-lex.c (init_c_lex): Update cpp_start_read call.
256 (cb_ident): Update for new callback prototype.
257 (cb_def_pragma): Update for new cpp_get_token prototype.
258 (c_lex): Similarly. Use cpp_get_line.
260 * c-parse.in (finish_parse): Update for new cpp_finish
263 * cp/lex.c (finish_parse): Similarly.
265 2000-11-01 Geoff Keating <geoffk@cygnus.com>
267 * machmode.def: Add V16QImode.
269 2000-11-01 Richard Henderson <rth@redhat.com>
271 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
272 from rtl_for_decl_location.
273 (add_location_or_const_value_attribute): Likewise.
275 2000-11-01 Neil Booth <neilb@earthling.net>
277 * cpplib.c (run_directive): Use correct line number for output
278 of _Pragma. Remember any in-progress directive.
280 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
282 2000-11-01 Richard Henderson <rth@redhat.com>
284 * stmt.c (expand_start_null_loop): Set continue_label.
286 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
288 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
289 (expand_builtin_constant_p): Move parts of the code into
290 fold_builtin_constant_p.
291 (expand_builtin_strlen): Move parts of the code into fold_builtin.
292 * expr.h (fold_builtin): Declare.
293 * fold-const.c (fold): Handle builtin calls.
295 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
297 2000-11-01 Richard Henderson <rth@redhat.com>
299 * stmt.c (expand_start_null_loop): New.
300 (expand_end_null_loop): New.
301 * c-semantics.c (genrtl_do_stmt): Use them.
302 * tree.h: Declare them.
304 2000-11-01 Richard Henderson <rth@redhat.com>
306 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
308 2000-11-01 Neil Booth <neilb@earthling.net>
310 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
311 * cp/spew.c: Similarly.
312 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
313 * cppmacro.c (stringify_arg): Similarly.
314 * cpplib.h (CPP_BACKSLASH): Delete.
316 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * builtins.c (expand_builtin_strstr): New function.
319 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
321 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
323 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
326 2000-10-31 Richard Henderson <rth@redhat.com>
328 * config/i386/i386.c (fcmov_comparison_operator): Check for
329 CCFPmode or CCFPUmode instead of CCmode.
330 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
331 unordered operations as well.
333 2000-10-31 Richard Henderson <rth@redhat.com>
335 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
336 of integer_zero_node.
338 2000-10-31 Richard Henderson <rth@redhat.com>
340 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
342 2000-10-31 Nick Clifton <nickc@redhat.com>
344 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
345 -fdata-sections to override the section attribute of a DECL.
347 2000-10-31 Chris Demetriou <cgd@sibyte.com>
349 * libgcc2.c (__shtab): Remove __shtab variable.
350 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
351 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
354 2000-10-31 Jim Wilson <wilson@redhat.com>
356 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
357 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
358 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
359 instead of ASM_OUTPUT_INTERNAL_LABEL.
360 (dwarf2out_end_block, dwarf2out_label): Likewise.
361 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
362 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
364 2000-10-31 Richard Henderson <rth@redhat.com>
366 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
367 (size_of_locs): Set it.
368 (output_loc_operands): Use it to compute branch displacement.
369 (int_loc_descriptor): New.
370 (mem_loc_descriptor): Dereference memory in the proper size.
371 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
372 (loc_descriptor_from_tree): New.
373 (rtl_for_decl_location): Break out from ...
374 (add_location_or_const_value_attribute): ... here.
375 (add_bound_info): Use loc_descriptor_from_tree.
377 2000-10-31 Neil Booth <neilb@earthling.net>
379 * cpp.texi: Update for new command line assertion syntax.
380 * cpplib.c (cpp_define): Simplify a bit.
381 (cpp_assert, cpp_unassert): Use handle_assertion.
382 (handle_assertion): New function; accept new command line
384 * testsuite/gcc.dg/cpp/assert3.c: New tests.
386 2000-10-31 Neil Booth <neilb@earthling.net>
388 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
389 undefined. Remove #ifdef check.
390 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
391 Define STDC_0_IN_SYSTEM_HEADERS to 1.
393 2000-10-31 Jan Hubicka <jh@suse.cz>
394 Jakub Jelinek <jakub@redhat.com>
396 * config/i386/i386.h: Clarify CCNOmode description in comment.
397 (EXTRA_CC_MODES): Remove CCRCmode.
398 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
399 (put_condition_code, ix86_match_ccmode): Likewise.
400 (ix86_cc_mode): Likewise. Fix comment.
401 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
402 * config/i386/i386.md: Add unspec 12 description.
403 (adddi3 split): Use unspec 12 instead of CCRCmode.
404 (addsi3_carry_rc): Remove.
405 (addsi3_cc, addqi3_cc): New patterns.
406 (addsi_3): Swap operands, match CCZmode.
407 (addsi_4): Rewritten.
408 (addsi_5): Renamed from addsi_6.
410 (addhi_3): Swap operands, match CCZmode.
411 (addhi_4): Rewritten.
412 (addhi_5): Renamed from addhi_6.
414 (addqi_3): Swap operands, match CCZmode.
415 (addqi_4): Rewritten.
416 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
417 (subsi3_carry_rc): Removed.
418 (iorqi_3): Use =q constraint for clobber.
419 (xorqi_cc_2): Likewise.
420 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
421 (x86_movsicc_0_m1_rc): Removed.
422 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
424 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
426 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
427 and decrement of complex types.
429 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
431 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
432 builtin fputs, ensure we still evaluate the stream in case it
435 2000-10-31 Jakub Jelinek <jakub@redhat.com>
437 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
440 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
442 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
443 (fp_extended_operand, emit_fpscr_use): Likewise.
444 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
445 (fpul_operand): New function.
446 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
447 fp_extended_operand. Add fpul_operand.
448 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
449 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
450 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
451 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
452 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
453 (divdf3_i): Likewise.
454 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
455 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
456 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
457 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
458 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
460 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
462 * config/i386/i386.c (ix86_init_builtins): Correct return type
463 building v4hi_ftype_v4hi_int_int tree node.
464 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
465 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
467 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
469 (mmx__uavgv8qi3): Correct insn mnemonic.
470 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
471 (mmx_punpckhwd): Correct insn mnemonic.
472 (mmx_punpckhdq): Likewise.
473 (mmx_punpcklwd): Likewise.
474 (mmx_punpckldq): Likewise.
475 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
476 Renumber case labels to match the _mm_prefetch constants defined in
479 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
480 if the splitter didn't emit new insns.
481 Make sure we call cleanup_subreg_operands even when splitting the last
482 insn in a basic block.
484 * invoke.texi (Debugging Options): Describe -do.
485 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
486 (dump_file): Likewise.
487 (rest_of_compilation): Split .greg dump into .greg and .postreload.
489 2000-10-30 Neil Booth <neilb@earthling.net>
491 * cppfiles.c (stack_include_file): Check for stacked contexts
493 * cpphash.h (_cpp_do__Pragma): New prototype.
494 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
496 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
497 escaped newlines if !(buffer->from_stage3).
498 (_cpp_lex_token): Warn about missing newlines iff
499 !buffer->from_stage3.
501 * cpplib.c (get__Pragma_string, destringize,
502 _cpp_do__Pragma): New functions.
503 (run_directive): Set output_line for _Pragma to avoid line
504 markers in output. Set from_stage3 and prevent macro expansion
505 for _Pragma and command-line options. Check buffer exhaustion.
506 (cpp_push_buffer): Don't check for stacked macro contexts, as
507 this is perfectly legitimate for _Pragma. Move the check to
508 stack_include_file instead. Set from_stage3 iff buffer is
511 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
512 unsigned. New boolean from_stage3.
513 (struct spec_nodes): Add n__Pragma.
515 * cppmacro.c (enter_macro_context): Flip sense of return value.
516 (_cpp_get_token): Handle _Pragma operator.
518 2000-10-30 Phil Edwards <pme@sources.redhat.com>
520 * gcc.texi: The C++ standard isn't "draft" anymore.
522 2000-10-30 Mark Mitchell <mark@codesourcery.com>
524 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
526 2000-10-29 Neil Booth <neilb@earthling.net>
528 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
530 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
532 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
533 fixinc/inclhack.def: Change comments mentioning C9X to refer to
536 * invoke.texi: Document that -V will only work for very similar
537 versions of driver and compiler.
539 2000-10-29 Neil Booth <neilb@earthling.net>
541 * cppmacro.c (_cpp_create_definition): Optimize the case of
542 a macro defined to itself.
544 2000-10-29 Neil Booth <neilb@earthling.net>
546 * cpplex.c (save_comment): Don't store new lines in C++ comments.
548 2000-10-29 Michael Hayes <mhayes@redhat.com>
550 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
552 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
554 * cpphash.c (cpp_forall_identifiers): Add context variable
555 for callback routine.
556 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
558 (main): Call cpp_forall_identifiers with null context.
559 * cpplib.h (cpp_forall_identifiers): Update prototype.
561 * cppmain.c: Make `parse_in' and `print' static.
563 2000-10-28 Alan Modra <alan@linuxcare.com.au>
565 * c-decl.c (finish_function): Clear c_function_name_declared_p.
567 2000-10-28 Richard Henderson <rth@redhat.com>
569 * regrename.c (scan_rtx_address): Frob action, not class,
570 when trying to disable optimization.
572 2000-10-28 Mark Mitchell <mark@codesourcery.com>
574 * c-semantics.c (make_rtl_for_local_static): Don't clobber
577 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
579 * configure.in: Determine and substitute gcc_version_full.
580 * configure: Regenerate.
581 * gccbug.in: Use it to give full version. Don't allow
584 2000-10-28 Richard Henderson <rth@redhat.com>
586 * recog.c (split_all_insns): Run cleanup_subreg_operands
589 * regrename.c (regrename_optimize): Verify that all registers of
590 a multiple register mode are available.
591 (scan_rtx_address): Accept the mode of the address; all callers
594 * cpplib.c (run_directive): Fix prototype.
596 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
598 * reload.c (find_reloads): Distinguish "wins" so that we know whether
599 a given operand won because of a matching constraint or not; then use
600 that information to compute goal_alternative_matched properly.
601 * reload1.c (choose_reload_regs): Never set reload_override_in for an
604 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
605 accurate value for MULT.
606 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
607 2% or > 98% before using static branch prediction bits.
609 2000-10-28 Neil Booth <neilb@earthling.net>
613 * cpplib.c (struct answer): New.
614 (struct if_stack): Use cpp_lexer_pos rather than line and col.
615 Rename cmacro mi_cmacro.
616 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
617 IN_I): New directive and flags.
618 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
619 parse_answer, parse_assertion, find_answer): New functions.
620 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
621 (lex_macro_node): New function to replace parse_ifdef and
624 (_cpp_handle_directive): New function, combines _cpp_check_directive
625 and _cpp_check_linemarker.
627 (do_define, do_undef, parse_include, do_include, do_import,
628 do_include_next, read_line_number, do_line, do_ident, do_pragma,
629 do_pragma_once, do_pragma_poison, do_pragma_dependency):
630 Update for new token getting interface.
632 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
633 : Update for new multiple-include optimisation technique.
634 (do_elif): Don't forget to invalidate controlling macros.
636 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
637 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
638 Functions to handle assertions with the new token interface.
639 (do_assert, do_unassert): Use them.
641 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
644 (_cpp_init_stacks): Register directive names. Don't register special
647 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
648 new position recording regime.
649 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
650 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
651 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
652 (cpp_type2name): Move to cpplex.c.
654 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
655 (parse_defined): Update to handle new multiple include optimisation
656 method. Remove poisoned identifier warning.
657 (parse_assertion, TYPE_NAME): Delete.
658 (lex): Update for multiple include optimisation, removal of
659 CPP_DEFINED, to use _cpp_test_assertion for assertions and
661 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
662 (op_as_text): New function, to wrap cpp_token_as_text.
664 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
665 Update for MI optimisation.
666 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
667 segfault on diagnostic.
668 (_cpp_compare_file_date): Take a token rather than 3 args.
669 (cpp_read_file): Work correctly for zero-length files.
671 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
672 _cpp_init_hashtable and _cpp_cleanup_hashtable.
673 (cpp_lookup): Place identifiers at front of identifier pool
674 for _cpp_lookup_with_hash.
675 (_cpp_lookup_with_hash): Require identifiers to be at the front of
676 the identifier pool. Commit the memory if not already in the
679 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
680 Initialise various members of cpp_reader, memory pools, and the
682 (cpp_printer_init): Delete.
683 (cpp_cleanup): Update.
684 (struct builtin, builtin_array, initialize_builtins): Update for new
685 hashnode definition and builtin handling.
686 (cpp_start_read, cpp_finish): Don't take or initialise a
689 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
690 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
691 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
692 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
693 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
694 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
695 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
696 struct toklist, struct cpp_context, struct specnodes,
697 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
698 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
699 enum builtin_type, cpp_can_paste): New.
700 (struct cpp_token): Delete line and col members.
701 (struct cpp_buffer): New member output_lineno.
702 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
703 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
704 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
705 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
706 base_context, context, directive, mi_state, mi_if_not_defined,
707 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
708 mlstring_pos, macro_buffer, macro_buffer_len.
709 Delete members mls_line, mls_column, token_list, potential_control_macro,
710 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
711 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
712 save_parameter_spellings, need_newline, .
713 Change type of date, time and spec_nodes members.
714 Change prototypes for include and ident callbacks.
715 (struct cpp_hashnode): Change type of name. Remove union members
716 expansion and code. Add members macro, operator and builtin.
718 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
719 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
720 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
721 cpp_stop_lookahead): New prototypes.
722 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
724 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
727 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
728 ufputs): Move to cpplib.h.
729 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
730 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
731 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
732 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
733 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
734 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
735 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
736 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
737 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
738 _cpp_parse_assertion, _cpp_find_answer): Delete.
739 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
740 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
741 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
742 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
743 _cpp_handle_directive, DSC): New.
744 (struct include_file): New member defined.
746 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
747 _cpp_compare_file_date): Update.
748 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
749 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
750 _cpp_cleanup_hashtable.
752 * Makefile.in: Remove cppoutput.c.
754 * cppoutput.c: Delete
756 * fixheader.c (read_scan_file): Update for new cpp_get_token
758 (recognized_function): New argument LINE.
760 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
761 new cpp_get_token prototype.
763 * scan.h (recognized_function): Update prototype.
765 * po/POTFILES.in: Remove cppoutput.c.
767 2000-10-27 Mark Mitchell <mark@codesourcery.com>
769 * c-typeck.c (check_init_type_bitfields): Remove.
770 (constructor_incremental): Likewise.
771 (struct constructor_stack): Remove incremental bit.
772 (struct initializer_stack): Likewise.
773 (start_init): Don't play with constructor_incremental.
774 (finish_init): Likewise.
775 (really_start_incremental_init): Likewise.
776 (push_init_level): Likewise.
777 (pop_init_level): Likewise.
778 (output_init_level): Likewise.
779 (output_pending_init_elements): Likewise.
781 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
783 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
784 Improve error messages. Correct parsing of
785 #pragma pack(pop [,id]). Do not check the user-supplied
786 alignment if we're popping.
788 * gcc.dg/pack-test-1.c: New test case.
789 * gcc.dg/pack-test-2.c: New test case.
790 * gcc.dg/pack-test-1.h: New file.
792 2000-10-27 Neil Booth <neilb@earthling.net>
796 2000-10-27 Kelley Cook <kelley.cook@home.com>
798 * invoke.texi: Document -mintel-syntax
800 2000-10-27 Richard Henderson <rth@redhat.com>
802 * invoke.texi: Document -frename-registers. Add it to -O3.
803 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
804 (enum dump_file_index, dump_file): Update order.
805 (main): Set flag_rename_registers at -O3.
807 2000-10-27 Richard Henderson <rth@redhat.com>
809 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
810 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
811 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
812 * config/alpha/alpha.md (call_osf_1): Use it.
813 (call_value_osf_1): Likewise.
815 * config/ia64/ia64.c: Revert 10-23 patch.
816 (ia64_hard_regno_rename_ok): New.
817 * config/ia64/ia64-protos.h: Declare it.
818 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
820 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
821 Richard Henderson <rth@redhat.com>
823 * regrename.c: Rewrite to handle multi-register modes and
824 cond_exec instructions.
825 * Makefile.in (regrename.o): Update dependancies.
826 * recog.h (struct operand_alternative): Add is_address.
827 * recog.c (preprocess_constraints) [case 'p']: Set it.
829 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
831 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
832 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
833 top level. Kill oldstyle_subdirs. Do not include
834 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
835 $outputs. Do not run configure.lang from config.status.
836 Rearrange warning-flag logic to correspond to what the
837 makefile wants. Put special vax stage1 options in
838 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
839 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
840 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
841 switch is given, nothing otherwise.
842 * configure.lang: Delete.
844 * Makefile.in: Expunge all traces of extra_c_objs,
845 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
846 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
847 warning options via a three level scheme so that -pedantic and
848 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
849 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
850 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
851 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
852 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
853 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
854 generation rules. Wrap all rules that change the current
855 directory in parentheses; pmake doesn't spawn a new shell for
856 each command. Expunge all references to $(P). When one
857 command depends on another and they're run all at once, use &&
858 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
859 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
862 * objc/Make-lang.in: Wrap all rules that change the current
863 directory in parentheses. Expunge all references to $(P).
864 When one command depends on another and they're run all at
865 once, use && to separate them, not ;. Add OUTPUT_OPTION to
866 all object-file generation rules. Delete obsolete variables.
867 * objc/Makefile.in: Delete.
869 2000-10-27 Jakub Jelinek <jakub@redhat.com>
871 * calls.c (expand_call): If sibcall_failure is set during pass 1,
872 clear tail_call_insns as well.
874 2000-10-27 Nick Clifton <nickc@redhat.com>
876 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
879 2000-10-26 Richard Henderson <rth@redhat.com>
881 * calls.c (expand_call): Supress sibcall if we have a
882 BLKmode return in registers.
884 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
886 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
889 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
891 * tree.c (make_node, case 't'): Set alignment to that of
893 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
895 2000-10-25 Mark Mitchell <mark@codesourcery.com>
897 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
898 * configure.in (enable-libstdcxx-v3): Arrange to have
899 HAVE_LIBSTDCXX_V3 substituted into the output files.
901 2000-10-25 Richard Henderson <rth@redhat.com>
903 * recog.c (constrain_operands): Initialize which_alternative
904 before no alternatives early exit.
906 * cse.c (find_comparison_args): Check that we can reverse a
907 comparison if needed before accepting the substitution.
909 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
911 * simplify-rtx.c (simplify_relational_operation): Sign extend
912 low words before sign extending to high words.
914 2000-10-25 Nick Clifton <nickc@redhat.com>
916 * config/mcore/mcore.c: Include config.h before system.h.
918 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
920 * config/mcore/mcore.md (return): Force function epilogue to
921 always be generated to work around epilogue suppression bug in
924 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
926 * c-decl.c (grokdeclarator): Move warning for qualified void
927 return types with -pedantic to when the function type is
928 constructed. At -W, warn in general for qualified function return
929 types, except for volatile void.
930 * invoke.texi: Document this new warning at -W.
932 2000-10-25 Neil Booth <neilb@earthling.net>
934 * cpp.texi: Update with implementation-defined behavior and
937 2000-10-25 Jakub Jelinek <jakub@redhat.com>
939 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
940 incomplete type force it into alias set 0.
942 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
944 * alias.c: Include basic-block.h.
945 (loop_p): New function.
946 (mark_constant_function): Use it.
947 * Makefile.in (alias.o): Update dependencies.
949 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
951 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
954 2000-10-24 Jim Wilson <wilson@cygnus.com>
956 * expmed.c (store_bit_field): Move integer pun code down after
957 code that calls emit_move_insn for entire register move.
958 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
959 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
961 2000-10-24 Richard Henderson <rth@cygnus.com>
963 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
964 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
966 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
968 * gcse.c (cprop_insn): do not propagate constants into jump_insn
969 for machines with CC0 more than once.
971 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
973 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
974 pseudos just like memory.
976 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
978 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
979 when deleting libcall sequence collapsed to a single instruction.
981 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
983 * expr.c (do_store_flag): Don't crash if either side of a
984 comparison is error_mark_node.
986 2000-10-24 Jakub Jelinek <jakub@redhat.com>
988 * sibcall.c (purge_mem_unchanging_flag): New function.
989 (optimize_sibling_and_tail_recursive_calls): Call it.
991 2000-10-24 Philipp Thomas <pthomas@suse.de>
993 * Makefile.in (check-po): New target for doing checks in the po
994 subdir if all languages configured.
995 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
996 configure if NLS is enabled.
997 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
998 otherwise leave empty.
999 * configure: Regenerate.
1001 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1003 * i386.c (print_operand): Handle new 'A' formatting code.
1004 387 opcodes need suffixes even with -mintel-syntax.
1005 Check for explicit size override (codes 'b', 'w' and 'k').
1006 (print_operand_address): Check if register prefix is needed when
1007 emitting `ds' segment override.
1008 * i386.h: Add comment about new 'A' formatting code.
1009 * i386.md (jump and call patterns): Emit absolute references using %A.
1011 2000-10-23 Richard Henderson <rth@cygnus.com>
1013 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1014 output registers as fixed.
1015 (ia64_function_epilogue): Undo output fixation.
1017 2000-10-23 Richard Henderson <rth@cygnus.com>
1019 * config/alpha/alpha.md: Add names for all unnamed insns; use
1020 define_insn_and_split in some obvious places.
1022 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1023 (zero_extendqisi2, zero_extendqidi2): Likewise.
1024 (zero_extendhisi2, zero_extendhidi2): Likewise.
1025 (abs splitters): Fix match_scratch operand number.
1026 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1028 2000-10-23 Jim Wilson <wilson@cygnus.com>
1030 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1032 * ia64.md (cmpsi_adjusted): Use %r3.
1033 (cmpdi_adjusted): Likewise.
1035 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1037 * config/i386/att.h (ASM_FILE_START): Define.
1039 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1041 * config/i386/linux.h (ASM_FILE_START): Define.
1043 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1045 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1046 since this (only) drags in a crt0.o reference that the .ld files
1049 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1051 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1052 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1053 reloads just like an RELOAD_FOR_OUTPUT would.
1055 * local-alloc.c (update_equiv_regs): Add an abort(). When
1056 deleting or moving insns, update reg_equiv[regno].init_insns.
1058 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1060 * c-tree.texi: Improve documentation for IF_STMTs and related
1061 conditional statements.
1063 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1065 * expr.c (do_preexpand_calls): Remove.
1066 (same_from_p): Don't use CALL_EXPR_RTL.
1067 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1068 (preexpand_calls): Remove.
1069 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1070 (unsave_expr_1): Likewise.
1071 * tree.def (CALL_EXPR): Give it only two slots.
1072 * tree.h (CALL_EXPR_RTL): Remove.
1074 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1076 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1077 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1080 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1082 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1083 adjust stack when unadjusted_alignment ends up as zero.
1085 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1087 * fixinc/genfixes: Remove EGCS reference.
1088 * install.texi: Remove EGCS reference.
1089 * INSTALL: Regenerate.
1091 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1093 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1095 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1097 * diagnostic.c: Remove EGCS reference in comment.
1099 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1101 * loop.c (strength_reduce): Fix error in last change.
1103 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1105 * Makefile.in (SHLIB_NM_FLAGS): New.
1106 (libgcc.mk): Pass it.
1107 * mklibgcc.in (libgcc.map): Use it.
1109 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1110 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1112 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1114 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1116 * sparc.c (load_pic_register): Delete unused varaible.
1118 * libgcc2.c (__addvsi3): Delete unused variable.
1120 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1121 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1122 __negvdi2): Prototype.
1124 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1126 * toplev.c (display_target_options): Make static to match
1127 prototype. Delete empty declaration.
1129 2000-10-20 Tom Tromey <tromey@cygnus.com>
1131 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1132 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1134 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1136 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1138 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1139 a constant before comparing it; use tree_low_cst.
1140 * tree.c (save_expr): Set TREE_READONLY.
1141 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1142 (build, build1): Set TREE_READONLY if all operands are.
1143 (build_index_type): If upper bound is a negative number, lower
1144 bound is zero and sizetype is unsigned, use upper bound of one and
1147 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1149 * gcc.c (process_command, main): Use "because" instead of
1150 "since" in error messages.
1152 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1154 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1155 Don't use mode of field for record unless sizes are the same.
1156 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1157 previously added for Ada; also change to using host_integerp
1160 * loop.c (strength_reduce): Show when new register made for
1161 giv is known to be a pointer and its aligment if so and known.
1162 (loop_dump_aux): Show VERBOSE parameter unused.
1164 * gcse.c (set_hash_table_size): Now unsigned.
1165 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1166 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1167 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1168 (sdbout_end_epilogue): Remove variable NAME.
1169 * system.h (getopt): Add default definition.
1170 * config/alpha/alpha.c (print_operand): Don't continue processing
1171 after issuing error.
1172 (summarize_insn): Avoid use of UL in constant.
1174 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1176 * fold-const.c (force_fit_type): Unsigned values can overflow
1177 if they are sizetype.
1178 (int_const_binop): Don't use cache if overflows.
1180 2000-10-20 Richard Henderson <rth@cygnus.com>
1182 * function.c (locate_and_pad_parm): Zero alignment_pad.
1184 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1185 perform substitutions, and apply_change_group to see if it worked.
1187 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1189 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1191 * combine.c (struct undo): Change int to unsigned int.
1192 (do_SUBST_INT): Args are unsigned int.
1193 (make_extraction, force_to_mode): Use proper type when forming mask.
1194 (make_field_assignment): Likewise.
1196 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1198 * c-common.c (check_format_info_recurse): Extract string constant
1199 initializers from non-volatile constant arrays and check them as
1201 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1202 for DECL_MODE (decl) != BLKmode.
1203 (decl_constant_value_for_broken_optimization): New function which
1204 includes these checks.
1205 (default_conversion, convert_for_assignment, digest_init): Use
1206 decl_constant_value_for_broken_optimization instead of
1207 decl_constant_value.
1209 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1211 * tree.h (DECL_ALIGN_UNIT): New macro.
1213 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1215 * config/avr/avr-protos.h (avr_output_bld): New.
1216 (out_shift_with_cnt): Add t_len argument.
1217 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1218 (output_movqi, output_movhi, output_movsisf): Optimize loading
1219 any constant with exactly one bit set to NO_LD_REGS.
1220 (out_shift_with_cnt): Optimize output code for size or speed,
1221 depending on optimize_size. Handle small shift counts as well
1222 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1223 with or without a scratch register, with help of __tmp_reg__
1224 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1225 length of TEMPLATE in words, return total insn length in *LEN.
1226 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1227 out_shift_with_cnt to work with the above change.
1228 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1229 lshrsi3_out): Likewise. Optimize more known shift count cases.
1230 Remove cases already well optimized in out_shift_with_cnt.
1231 (avr_output_bld): New function.
1232 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1233 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1234 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1235 Add reload_completed to insn condition - only for peepholes.
1236 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1237 in a register or memory.
1238 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1239 Do not require a scratch register.
1240 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1241 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1242 Optimize shifts by known count using a scratch register, but only
1243 if one is still available after register allocation.
1245 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1247 * t-vax: New file. Don't build modules from libgcc1.c.
1249 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1251 * alias.c: (mark_constant_function): Don't check pure functions.
1252 Initialize and end alias analysis.
1253 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1254 Don't make a special exception for recursion. Handle
1255 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1256 unless it's volatile.
1258 * local-alloc.c (equivalence): New structure.
1259 (reg_equiv): Define.
1260 (contains_replace_regs): Remove array and use
1262 (memref_referenced_p): Likewise.
1263 (no_equiv): Likewise.
1264 (update_equiv_regs): Likewise.
1266 (equiv_init_varies_p,
1267 equiv_init_movable_p): New functions.
1268 (update_equiv_regs): Use them. Use rtx_varies_p
1269 instead of function_invariant_p. Process insns
1270 from end to beginning. Allow a REG_EQUIV insn
1271 within the same loop as a use to be moved, also
1272 allow it to be moved out of a loop. Update
1273 REG_DEAD notes when substituting into an insn.
1275 2000-10-19 Jim Wilson <wilson@cygnus.com>
1277 * c-decl.c (start_decl): Check for error_mark_node type before using
1279 (finish_decl): Likewise. Don't give an error if decl type is
1280 already error_mark_node.
1282 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1283 New local update_blocks. Use update_blocks to remove duplicates
1284 when computing update blocks. Check for bblst_table overflow.
1285 (schedule_block): Add explanatory comment. Reduce bblst_size by
1287 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1290 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1292 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1294 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1296 * expmed.c: Minor corrections in comments.
1297 * invoke.texi: Added desciption for the new option -ftrapv.
1299 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1301 * libgcc2.c: Added the missing #endif.
1303 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1305 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1307 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1309 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1310 Use smulv_optab for -ftrapv.
1311 (expand_mult_highpart): Use unsigned multiply.
1312 (expand_divmod): Special-case division by -1.
1313 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1314 For complex divide, use abs with unsigned result.
1315 * expr.c (force_operand): Use unsigned multiply.
1316 (expand_expr): Use overflow-trapping optabs for signed types if
1318 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1319 if the type is signed and the original call wasn't EXPAND_SUM or
1321 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1322 (negv_optab, absv_optab): Declare.
1323 * flags.h (flag_trapv): Declare.
1324 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1325 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1326 (gen_insn): Interpret '$P' as requiring an integer mode,
1327 including partial integer modes.
1328 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1329 (product_cheap_p): Use unsigned expand_mult.
1330 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1331 (negv_optab, absv_optab): Define.
1332 (expand_binop): Use overflow-trapping optabs for signed types if
1334 Handle negv_optab libe neg_optab.
1335 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1336 Use overflow-trapping optabs for signed result if flag_trapv.
1337 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1339 Don't open-code complex absolute-value operation for flag_trapv.
1340 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1341 sdivv_optab, negv_optab and absv_optab.
1342 * toplev.c (flag_trapv): Define.
1343 (lang_independent_options f_options): Include flag_trapv.
1344 * tree.h (TYPE_TRAP_SIGNED): Define.
1345 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1346 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1348 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1349 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1351 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1352 David V. Henkel-Wallace <gumby@cygnus.com>
1354 * config/i386/t-netware: Bring in from the Red Hat tree.
1355 * config/i386/netware.h: Likewise.
1356 * config/netware.h: Likewise.
1357 * config/rs6000/netware.h: Delete.
1358 * configure.in: Add i[34567]86-*-netware.
1359 * configure: Hand-edit to match configure.in change.
1361 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1363 * c-common.h (flag_no_builtin): Declare.
1364 (flag_no_nonansi_builtin): Likewise.
1365 (c_common_nodes_and_builtins): Change prototype.
1366 * c-common.c (flag_no_builtin): New variable.
1367 (flag_no_nonansi_builtin): Likewise.
1368 (c_common_nodes_and_builtins): Remove parameters. Adjust
1370 * c-decl.c (flag_no_builtin): Remove.
1371 (flag_no_nonansi_builtin): Likewise.
1372 (init_decl_processing): Adjust call to
1373 c_common_nodes_and_builtins.
1375 2000-10-18 Marc Espie <espie@openbsd.org>
1377 * tm.texi (LIBGCC_SPEC): Synch with reality.
1379 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * c-common.c (check_format_types): Check for writing through a
1382 NULL pointer argument.
1384 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1386 * tm.texi (Exception Region Output): Document
1387 DWARF_CIE_DATA_ALIGNMENT.
1388 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1390 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1391 DWARF_CIE_DATA_ALIGNMENT.
1393 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1395 * basic-block.h (struct loop): Delete fields pre_header_root
1396 and pre_header_trace and replace with pre_header_edges
1397 and num_pre_header_edges.
1398 * flow.c (flow_loop_dump): Dump pre_header_edges.
1399 (flow_loops_free): Free pre_header_edges.
1400 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1402 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1404 * contrib.texi: Update references to steering committee members
1405 and Jeff Law's entry.
1407 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1409 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1410 (maybe_read_dollar_number, check_format_info_main): Use them for
1411 pedantic warning messages.
1413 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1415 * c-common.c (check_format_info_main): Minor cleanup: move
1416 variables into inner scopes; initialize declarations where
1417 appropriate; don't hardcode "scanf" name on warning for zero
1420 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1422 * c-common.c (back_end_hook): New variable.
1423 * c-common.h (back_end_hook): Declare it.
1424 * c-lang.c (finish_file): Use it.
1426 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1429 2000-10-18 Jan Hubicka <jh@suse.cz>
1431 * i386.c (ix86_comparison_operator, put_condition_code,
1432 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1433 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1434 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1435 * i386.md (adddi and negdi splitter): Use CCRCmode.
1436 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1437 (subsi3_carry): add '*'
1438 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1439 (cmp to add peep2): Use CCRCmode; swap operands.
1441 2000-10-18 Kazu Hirata <kazu@hxi.com>
1443 * h8300.c: Fix a comment typo.
1444 (round_frame_size): New.
1445 (compute_saved_regs): Likewise.
1448 (push_order): Remove.
1449 (pop_order): Likewise.
1450 (function_prologue): Rearrange code for readability.
1451 (function_epilogue): Likewise.
1453 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1454 expander that is used when not optimizing. Output a tab after
1455 each assembly insns.
1457 * reorg.c: Fix formatting.
1459 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1461 * reload1.c (move2add_note_store): Check for simple
1462 auto-inc in destination.
1464 2000-10-17 Michael Chastain <chastain@redhat.com>
1466 * config/i386/i386-aout.h: define INT_ASM_OP.
1468 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1470 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1472 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1474 * i370.md: Fix spelling typo.
1476 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1478 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1479 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1481 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1482 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1485 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1486 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1488 * rs6000/aix.h: ...to here.
1489 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1491 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1493 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1495 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1496 sure linker can relax even the delay slot mov %g1,%o7, fix output
1499 2000-10-17 Kazu Hirata <kazu@hxi.com>
1501 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1502 expander that is used when not optimizing. Output a tab after
1503 each assembly insns.
1505 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1507 * gcc.c: New options --target-help.
1508 (process_command): Added code to parse this new option.
1509 * toplev.c (display_target_options): New function to support the
1511 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1512 (cpp_handle_option): Support this new option.
1513 * invoke.texi: Added notes about --target-help option.
1515 2000-10-17 Graham Stott <grahams@redhat.com>
1517 * config/i386/i386.md (testqi_1): Add missing operand prefix
1519 * config/i386/i386-protos.h: Add missing prototype.
1521 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1523 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1524 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1525 using -mintel-syntax.
1527 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1529 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1530 (format_types): Use it for printf.
1531 (maybe_read_dollar_number): Add parameter for the kind of format
1532 involved. Warn for multiple use for arguments if this is
1533 inappropriate for the kind of format involved.
1534 (check_format_info_main): Update calls to maybe_read_dollar_number.
1536 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1538 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1539 * fixincl.x: Rebuilt.
1541 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1543 * genrecog.c (write_switch): Return the first condition that needs a
1546 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1548 * c-tree.h (warn_sequence_point): Move declaration to...
1549 * c-common.h (warn_sequence_point): ... here.
1550 * c-decl.c (warn_sequence_point): Move definition to...
1551 * c-common.c (warn_sequence_point): ... here.
1552 (struct reverse_tree): New.
1553 (reverse_list, reverse_max_depth): New static variables.
1554 (build_reverse_tree, common_ancestor, modify_ok
1555 verify_sequence_points): New functions.
1556 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1557 * c-typeck.c (check_modify_expr): Delete.
1558 (build_modify_expr): Don't call it.
1560 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1562 * c-common.h (warn_missing_format_attribute): New variable.
1563 * c-decl.c (warn_missing_format_attribute): New variable.
1564 (c_decode_option): Decode -Wmissing-format-attribute and
1565 -Wno-missing-format-attribute.
1566 * c-common.c (check_function_format): If
1567 -Wmissing-format-attribute, give a warning where a vprintf or
1568 vscanf function is called by a function without its own printf or
1570 * toplev.c (documented_lang_options): Add
1571 -Wmissing-format-attribute.
1572 * invoke.texi: Document -Wmissing-format-attribute.
1574 2000-10-17 Marc Espie <espie@openbsd.org>
1576 * invoke.texi (-shared): Insist on requiring code generation flags
1577 to be used along with -shared, and document the subtle failure that
1578 may occur otherwise.
1580 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1582 * pa.md (return_internal): Move `use' after `return'.
1584 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1586 * machmode.def: Correct comment.
1588 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1590 * print-rtl.c (print_rtx_head): Constify.
1591 * rtl.h (print_rtx_head): Similarly.
1593 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1594 Constify char * return value.
1596 (output_64bit_and, output_64bit_ior): Constify char * return value.
1597 (pa_can_combine_p): Make static.
1598 (function_arg): Decorate unused `named' argument. Fix comment typo.
1599 (function_arg_partial_nregs): Decorate unused `named' argument.
1601 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1603 * c-common.c (format_check_results): New structure.
1604 (finish_dollar_format_checking): Adjust to take a
1605 format_check_results * parameter.
1606 (check_format_info, check_format_info_recurse,
1607 check_format_info_main): Split check_format_info into three
1608 functions, the main checking going in check_format_info_main.
1609 Recurse when any reduction of the format string argument towards a
1610 string literal is done; go down both branches of a conditional
1611 expression. Don't warn for extra format arguments or empty format
1612 strings if they only occur in some branches of a conditional
1615 2000-10-16 Kazu Hirata <kazu@hxi.com>
1617 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1619 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1621 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1623 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1625 * i386.md (*movsi_or): Switch operand order for intel syntax.
1627 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1631 * gcc.texi (Contributing): Update.
1633 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1635 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1636 appropriate assembler dialect.
1638 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1640 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1642 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1644 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1645 constants 1 and 2 to NO_LD_REGS.
1647 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1651 * objc/Make-lang.in (objc-parse.c): Likewise.
1653 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1655 * arm.c: Include obstack.h
1656 (minipool_obstack, minipool_startobj): Define.
1657 (arm_add_gc_roots): Initialize them.
1658 (create_fix_barrier): Use our new obstack.
1659 (push_minipool_barrier, push_minipool_fix): Likewise.
1660 (arm_reorg): Release obstack memory.
1662 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1664 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1665 (prologue, exception_receiver, builtin_setjmp_receiver): New
1667 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1668 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1669 (load_pic_register): New prototype.
1670 * config/sparc/sparc.c (pic_setup_code): Remove.
1671 (finalize_pic): Rename to...
1672 (load_pic_register): ...this function.
1673 Don't look for nonlocal_goto_receivers and emit pic setup code
1674 directly. Don't check current_function_uses_pic_offset_table.
1676 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1678 * tree.h (struct obstack): Declare.
1680 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1683 * Makefile.in (ggc-callbacks.o): Remove target.
1684 (flow.o): Depend on GGC_H.
1685 * alias.c (init_alias_analysis):
1686 Remove ggc_p conditionals.
1687 (end_alias_analysis): Likewise.
1688 * basic-block.h (init_flow): New function.
1689 (allocate_reg_life_data): Declare.
1690 * bb-reorder.c (function_obstack): Replace with ...
1691 (flow_obstack): ... new variable.
1692 (fixup_reorder_chain): Use it.
1693 * c-decl.c (ggc_p): Remove.
1694 (caller-save.c): Don't call oballoc/obfree.
1696 undobuf): Remove storage.
1697 (try_combine): Don't call oballoc.
1698 (undo_all): Don't call obfree.
1699 * cse.c (insert): Use xmalloc, not
1701 (cse_main): Adjust accordingly.
1702 * dwarf2out.c (save_rtx): Remove
1704 (dwarf2out_init): Remove ggc_p conditionals.
1705 * emit-rtl.c (rtl_obstack): Remove.
1706 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1707 (make_insn_raw): Likewise.
1708 (emit_insn_before): Likewise.
1709 (emit_insn_after): Likewise.
1710 (emit_insn): Likewise.
1711 (gen_sequence): Likewise.
1712 (copy_insn_1): Remove handling of `b' RTL components.
1713 (init_emit_once): Remove ggc_p conditionals.
1714 * except.c (create_rethrow_ref): Don't fool with obstacks.
1715 (add_partial_entry): Likewise.
1716 (call_get_eh_context): Likewise.
1717 (begin_protect_partials): Likewise.
1718 (protect_with_terminate): Likewise.
1720 (plus_constant_wide): Likewise.
1721 * expr.c (init_expr_once):
1723 (emit_block_move): Likewise.
1724 (clear_storage): Likewise.
1725 (expand_expr): Likewise.
1726 * flow.c (function_obstack): Remove.
1727 (flow_obstack): New variable.
1728 (flow_firstobj): Likewise.
1729 (create_base_block): Use the flow_obstack.
1730 (split_block): Likewise.
1731 (split_edge): Likewise.
1732 (calculate_global_regs_live): Likewise.
1733 (allocate_bb_life_data): Make it static. Likewiwse.
1734 (init_flow): New function.
1735 (size_int_type_wide): Remove ggc_p conditionals.
1737 (push_function_context_to): Don't call save_tree_status.
1738 (pop_function_context_from): Or restore_tree_status.
1739 (assign_stack_local_1): Don't call push_obstacks.
1740 (find_fixup_replacement): Use xmalloc.
1741 (fixup_var_refs_insns): Free the storage.
1742 (insns_for_mem_walk): Don't mess with obstacks.
1743 (instantiate_decls): Likewise.
1744 (trampoline_address): Likewise.
1745 (expand_function_end): Likewise.
1746 * function.h (sturct function):
1747 Remove obstack-related variables.
1748 (save_tree_status): Don't declare.
1749 (restore_tree_status): Likewise.
1750 * gcse.c (compute_can_copy):
1751 Don't call oballoc/obfree.
1752 * genattrtab.c (operate_exp): Remove
1754 (simplify_cond): Likewise.
1755 (simplify_test_exp): Don't mess with obstacks.
1756 (optimize_attrs): Likewise.
1757 * gengenrtl.c (gendef): Don't include
1759 * ggc-callbacks.c (ggc_p): Remove.
1760 * ggc-none.c (ggc_p): Remove.
1761 * ggc.h (ggc_p): Don't declare.
1762 * integrate.c (save_for_inline): Don't mess with obstacks.
1763 (integrate_decl_tree): Likewise.
1764 (output_inline_function): Likewise.
1766 (init_EXPR_INSN_LIST_cache): Likewise.
1767 * loop.c (temp_obstack):
1769 (rtl_obstack): Likewise.
1770 (init_loop): Don't mess with obstacks.
1771 (reg_address_cost): Free BIVs and GIVs.
1772 (check_insns_for_bivs): Use xmalloc, not oballoc.
1773 (find_mem_givs): Likewise.
1774 (record_biv): Likewise.
1775 (general_induction_var): Likewise.
1776 (product_cheap_p): Likewse.
1777 * optabs.c (init_one_libfunc): Remove
1779 * print-tree.c (debug_tree): Don't use
1781 (print_node): Likewise.
1782 * profile.c (output_func_start_profiler):
1783 Remove call to temporary_allocation.
1785 (eliminate_regs_in_insn): Don't mess with obstacks.
1787 (mark_target_live_regs): Use xmalloc.
1788 (free_resource_info): Free the memory.
1789 * rtl.c (rtl_obstack):
1791 (rtvec_alloc): Don't mess with obstacks.
1792 (rtx_alloc): Likewise.
1794 (copy_rtx): Don't handle `b' cases.
1795 (read_rtx): Use a local rtl_obstack.
1796 * rtl.h (oballoc): Remove.
1798 (pop_obstacks): Likewise.
1799 (push_obstacks): Likewise.
1800 (allocate_bb_life_data): Likewise.
1801 (allocate_reg_life_data): Likewise.
1802 (rtx_free): Likewise.
1803 * sdbout.c (sdbout_queue_anonymous_type):
1804 Use tree_cons, not saveable_tree_cons.
1806 (cselib_init): Don't mess with obstacks.
1808 (mark_block_nesting): Mark the label_chain.
1809 (epxand_label): Use ggc_alloc, not oballoc.
1810 (clear_last_expr): Don't mess with obstacks.
1811 (expand_decl_cleanup): Likewise.
1812 (expand_dcc_cleanup): Likewise.
1813 (expand_dhc_cleanup): Likewise.
1814 (expand_anon_union_decl): Likewise.
1815 (add_case_node): Use xmalloc, not oballoc.
1816 (free_case_nodes): New function.
1817 (expand_end_case): Call it.
1818 * stor-layout.c (layout_type): Don't
1820 (layout_type): Likewise.
1821 * toplev.c (wrapup_global_declarations):
1823 (compile_file): Remove ggc_p conditionals.
1824 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1825 (decode_f_option): Remove ggc_p conditionals.
1827 (function_maybepermanent_obstack): Remove.
1828 (maybepermanent_obstack): Likewise.
1829 (function_obstack): Likewise.
1830 (tmeporary_obstack): Likewise.
1831 (momentary_obstack): Likewise.
1832 (temp_decl_obstack): Likewise.
1833 (saveable_obstack): Likewise.
1834 (rtl_obstack): Likewise.
1835 (current_obstack): Likewise.
1836 (expression_obstack): Likewise.
1837 (struct obstack_stack): Likewise.
1838 (obstack_stack): Likewise.
1839 (obstack_stack_obstack): Likewise.
1840 (maybepermanent_firstobj): Likewise.
1841 (temporary_firstobj): Likewise.
1842 (momentary_firstobj): Likewise.
1843 (temp_decl_firstobj): Likewise.
1844 (momentary_function_firstobj): Likewise.
1845 (all_types_permanent): Likewise.
1846 (struct momentary_level): Likewise.
1847 (momentary_stack): Likewise.
1848 (init_obstacks): Remove initialization of removed obstacks.
1849 (save_tree_status): Remove.
1850 (restore_tree_status): Likewise.
1851 (temporary_allocation): Liekwise.
1852 (end_temporary_allocation): Liekwise.
1853 (resume_temporary_allocation): Likewise.
1854 (saveable_allocation): Likewise.
1855 (push_obstacks): Likewise.
1856 (push_obstacks_nochange): Likewise.
1857 (pop_obstacks): Likewise.
1858 (allocation_temporary_p): Likewise.
1859 (permanent_allocation): Likewise.
1860 (preserve_data): Likewise.
1861 (preserve_initializer): Likewise.
1862 (rtl_in_current_obstack): Likewise.
1863 (rtl_in_saveable_obstack): Likewise.
1864 (oballoc): Likewise.
1866 (savealloc): Likewise.
1867 (expralloc): Likewise.
1868 (print_obstack_name): Likewise.
1869 (debug_obstack): Likewise.
1870 (object_permanent_p): Likewise.
1871 (push_momentary): Likewise.
1872 (perserve_momentary): Likewise.
1873 (clear_momentary): Likewise.
1874 (pop_momentary): Likewise.
1875 (pop_momentary_nofree): Likewise.
1876 (suspend_momentary): Likewise.
1877 (resume_momentary): Likewise.
1878 (make_node): Don't set TREE_PERMANENT.
1879 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1880 Don't set TREE_PERMANENT.
1881 (get_identifier): Remove ggc_p conditionals.
1882 (build_string): Likewise.
1883 (make_tree_vec): Likewise.
1884 (build_decl_list): Remove.
1885 (build_expr_list): Likewise.
1886 (tree_cons): Remove ggc_p conditionals.
1887 (decl_tree_cons): Remove.
1888 (expr_tree_cons): Likewise.
1889 (perm_tree_cons): Likewise.
1890 (temp_tree_cons): Likewise.
1891 (saveable_tree_cons): Likewise.
1892 (build1): Remove ggc_p conditionals.
1893 (build_parse_node): Likewise.
1894 (build_type_attribute_variant): Don't mess with obstacks.
1895 (build_type_copy): Likewise.
1896 (type_hash_canon): Likewise.
1897 (build_pointer_type): Likewise.
1898 (build_reference_type): Likewise.
1899 (build_index_type): Likewise.
1900 (build_range_type): Likewise.
1901 (dump_tree_statistics): Don't print obstack information.
1903 (struct tree_common): Remove permanent_flag.
1904 (TREE_PERMANENT): Remove.
1905 (TREE_SET_PERMANENT): Likewise.
1906 (TYPE_OBSTACK): Likewise.
1907 (struct tree_type): Remove obstack.
1909 (savealloc): Likewise.
1910 (build_decl_list): Likewise.
1911 (build_expr_list): Likewise.
1912 (perm_tree_cons): Likewise.
1913 (temp_tree_cons): Likewise.
1914 (saveable_tree_cons): Likewise.
1915 (decl_tree_cons): Likewise.
1916 (expr_tree_cons): Likewise.
1917 (suspend_momentary): Likewise.
1918 (allocation_temporary_p): Likewise.
1919 (resume_momentary): Likewise.
1920 (push_obstacks_nochange): Likewise.
1921 (permanent_allocation): Likewise.
1922 (push_momentary): Likewise.
1923 (clear_momentary): Likewise.
1924 (pop_momentary): Likewise.
1925 (end_temporary_allocation): Likewise.
1926 (pop_obstacks): Likewise.
1927 (push_obstacks): Likewise.
1928 (pop_momentary_nofree): LIkewise.
1929 (preserve_momentary): Likewise.
1930 (saveable_allocation): Likewise.
1931 (temporary_allocation): Likewise.
1932 (resume_temporary_allocation): Likewise.
1933 (perserve_initializer): Likewise.
1934 (debug_obstack): Likewise.
1935 (rtl_in_current_obstack): Likewise.
1936 (rtl_in_saveable_obstack): Likewise.
1938 * varasm.c (current_obstack): Remove.
1939 (saveable_obstack): Remove.
1940 (rtl_obstack): Remove.
1941 (immed_double_const): Don't mess with obstacks.
1942 (immed_real_cons): Likewise.
1943 (output_constant_def): Likewise.
1944 (init_varasm_status): Use xcalloc.
1945 (mark_pool_constant): Mark the pool constant itself.
1946 (free_varasm_status): Free memory.
1947 (decode_rtx_const): Call bzero directly, rather than expanding it
1949 (record_rtx_const): Don't mess with obstacks.
1950 (force_const_mem): Likewise.
1951 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1953 (aof_pic_entry): Likewise.
1954 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1955 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1956 * config/pa/pa.c (saveable_obstack): Remove.
1957 (rtl_obstack): Likewise.
1958 (current_obstack): Likewise.
1959 (output_call): Don't mess with obstacks.
1960 (hppa_encode_label): Remove ggc_p conditionals.
1961 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1962 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1963 (rs6000_encode_section_info): Likewise.
1964 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1966 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1968 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1969 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1970 (addsi3_carry): Canonicalize.
1971 (addqi_5): Remove '*'.
1972 (sbb pattern): Canonicalize.
1974 * i386.md (cmp to inc/add peep2): New.
1976 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1978 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1981 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1983 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1984 * README.TRAD, TESTS.FLUNK: Remove.
1986 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1988 * c-common.c (decl_attributes): Don't allow strftime formats with
1989 first_arg_num nonzero.
1990 (check_format_info): Set wanted_type and wanted_type_name to zero
1991 before they are possibly assigned and used.
1993 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1995 * c-common.c (scanf_flag_specs): Add flags ' and I.
1996 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1997 or the ^ and # flags together.
1998 (scan_char_table): Handle the ' and I flags.
1999 (format_types): Add ' and I flags for scanf.
2001 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2003 * c-common.c (print_char_table): Use the unpromoted type for
2004 lengths "h" and "hh" with conversions dioxXu.
2005 (check_format_types): Apply the default argument promotions where
2006 the wanted type is not a pointer target.
2008 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2009 Joseph S. Myers <jsm28@cam.ac.uk>
2011 * c-typeck.c (check_modify_expr): New function.
2012 (build_modify_expr): Call it if warn_sequence_point.
2013 * c-decl.c (warn_sequence_point): New variable.
2014 (c_decode_option): Handle -Wsequence-point and
2015 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2016 * c-tree.h (warn_sequence_point): Declare.
2017 * invoke.texi (-Wsequence-point): Document.
2018 * toplev.c (documented_lang_options): Add -Wsequence-point and
2019 -Wno-sequence-point.
2020 Original work by Michael Meeks, 16 Jun 1998.
2022 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2024 * tree.c (get_narrower): Don't look at precision of field if
2027 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2029 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2030 declaration for data with "progmem" attribute.
2032 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2034 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2035 Correct insn length if shift count is a memory operand.
2036 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2037 (*iorhi3_clobber): Change lo8 to hi8.
2038 (zero_extendhisi2): Change %B0 to %A1.
2039 (ashlhi3, ashrhi3): Correct insn length.
2040 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2041 from "clobber" to "set_n" in some alternatives.
2043 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2045 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2046 remove its insn_chain structure as well.
2048 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2050 * dbxout.c (dbxout_source_line): Remove extra tab.
2052 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2054 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2056 2000-10-09 Richard Henderson <rth@cygnus.com>
2058 * Makefile.in (LANG_LIB2FUNCS): Remove.
2059 (LIB2FUNCS): Remove _pure.
2060 (LIB2ADD): Remove LANG_LIB2FUNCS.
2061 (stage_a): Don't set LANG_LIB2FUNCS.
2062 * libgcc2.c (__terminate): Mark noreturn.
2063 (__pure_virtual): Remove.
2064 * mklibgcc.in: Remove LIB2ADD .txt processing.
2066 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2068 * arm.md (push_multi): Revert unintended change.
2070 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2072 * arm.c: Miscellaneous white space and comment clean-ups. No
2076 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2078 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2079 STRING_CST by calling combine_strings.
2081 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2083 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2084 (thumb_output_move_mem_multiple): Support new insn format.
2085 * arm.md (movmem12b): Use SSA compatible format.
2086 (movmem8b): Likewise.
2088 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2090 * arm.md (predicable): New attribute, default to "no".
2091 (all patterns): Mark as predicable if appropriate.
2092 (conditional execution splits): Split using predication format.
2093 (define_cond_exec): Define.
2094 * arm.c (arm_print_operand): handle insn predicate.
2096 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2098 * README.NS32K: Remove file.
2100 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2102 * README-bugs: Remove file.
2104 2000-10-08 Philipp Thomas <pthomas@suse.de>
2105 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2107 * configure: Rebuilt.
2109 2000-10-08 Philipp Thomas <pthomas@suse.de>
2110 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2111 disable catalog building if no suitable program was found.
2112 Move warning message from here
2113 (AM_GNU_GETTEXT): To here.
2114 * configure: Rebuilt.
2116 2000-10-08 Philipp Thomas <pthomas@suse.de>
2117 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2118 different cache variables.
2119 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2120 uses different cache variables.
2121 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2122 * configure: Regenerated.
2124 2000-10-08 Richard Henderson <rth@cygnus.com>
2126 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2127 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2128 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2131 * config/t-linux (SHLIB_EXT): New.
2132 (SHLIB_LINK): Use the entire build command, with substitutions.
2133 (SHLIB_LIBS): Remove.
2134 * config/alpha/t-osf4: Likewise.
2135 * config/mips/t-iris6: Likewise.
2136 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2137 * config/sparc/t-slibgcc-sld: ...here.
2138 * config/sparc/t-slibgcc: New file.
2140 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2142 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2143 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2145 (intmax_type_node, uintmax_type_node): Define.
2146 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2147 attributes create a type wider than intmax_t.
2148 (T_IM, T_UIM): Define properly.
2149 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2151 (init_decl_processing): Initialize intmax_type_node and
2153 * c-lex.c (lex_number): When pedantic and warning for integer
2154 constants that are too large, in C99 mode warn for those that have
2155 a type wider than long long.
2157 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2159 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2160 FMT_FLAG_FANCY_PERCENT_OK): Define.
2161 (format_char_info): Add flag "4" to comment.
2162 (format_flag_spec, format_flag_pair): New structures.
2163 (format_kind_info): Add additional fields to control format
2165 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2166 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2168 (time_char_table): Use "4" flag to handle %Ey.
2169 (format_types): Add entries for new fields.
2170 (get_flag_spec): New function.
2171 (check_format_info): Increase size of flag_chars[] to 256.
2172 Control format checking using the new fields of a format_kind_info
2173 and the new tables; remove all conditionals on printf_format_type,
2174 scanf_format_type or strftime_format_type. Handle all details of
2175 bad combinations of flags (including width, precision and strftime
2176 modifiers) through data rather than ad hoc code. Handle all
2177 details of standard versions in which flags appeared through
2178 data. Use the "4" flag.
2180 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2182 * config/h8300/h8300.md: Remove the memory alternative and correct
2183 the insn lengths in the templates for sign extention and zero
2186 2000-10-07 Richard Henderson <rth@cygnus.com>
2188 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2189 * flow.c (make_edges): Revert last change.
2191 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2193 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2195 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2197 * config/alpha/elf.h: Standardize the formatting.
2199 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2201 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2204 2000-10-06 Richard Henderson <rth@cygnus.com>
2206 * function.c (diddle_return_value): Examine
2207 current_function_return_rtx instead of the DECL_RESULT.
2208 (expand_function_end): Handle reloading DECL_RESULT from memory
2209 into a hard register. Query promote_mode for sign of mismatched
2212 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2214 * haifa-sched.c (schedule_insns): Fix typo in freeing
2215 forward_dependency_cache.
2217 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2219 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2220 `TARGET_SH2' as a condition.
2222 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2224 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2225 forward_dependency_cache): New variables.
2226 (add_dependence, remove_dependence): Use anti_dependency_cache and
2227 output_dependency_cache.
2228 (compute_block_forward_dependences): Use forward_dependency_cache.
2229 (schedule_insns): Allocate and free memory for anti/output/forward
2230 dependencies caches.
2232 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2234 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2235 `! TARGET_SH1'. Reindent.
2237 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2239 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2240 Move functions from here ...
2242 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2244 (c_expand_builtin): New function.
2245 (init_function_format_info): Don't set `check_function_format_ptr'.
2246 (c_common_nodes_and_builtins): Set built_in_class type for
2247 printf/__builtin_printf to BUILT_IN_FRONTEND.
2248 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2250 * c-common.h (build_function_call): Declare.
2252 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2253 to `lang_expand_expr' rather than `expand_builtin'.
2255 * tree.c (check_function_format_ptr): Delete.
2257 * tree.h (check_function_format_ptr): Likewise.
2259 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2261 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2262 DW_OP_bregx when cfa->reg > 31.
2264 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2267 2000-10-05 Richard Henderson <rth@cygnus.com>
2269 * c-decl.c (warn_missing_noreturn): Remove.
2270 (c_expand_body): Don't set or check can_reach_end.
2271 * c-tree.h (warn_missing_noreturn): Move ...
2272 * flags.h: ... here.
2273 (can_reach_end): Remove.
2274 * flow.c (check_function_return_warnings): New.
2275 (make_edges): No edge to exit for noreturn sibcalls.
2276 * function.c (expand_function_end): Save the return value
2277 clobber instruction.
2278 (mark_function_status): Mark it.
2279 * function.h (struct function): Add x_clobber_return_insn.
2280 * jump.c (can_reach_end): Remove.
2281 (calculate_can_reach_end): Remove.
2282 (jump_optimize_1): Don't call it.
2283 * output.h (check_function_return_warnings): Declare.
2284 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2285 (rest_of_compilation): Call check_function_return_warnings.
2287 2000-10-05 Richard Henderson <rth@cygnus.com>
2289 * Makefile.in (NM_FOR_TARGET): New.
2290 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2291 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2292 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2293 shared library build on that and EXTRA_MULTILIB_PARTS.
2294 * mkmap-flat.awk: New file.
2295 * mkmap-symver.awk: New file.
2296 * libgcc-std.ver: New file.
2297 * config/libgcc-glibc.ver: New file.
2298 * config/ia64/libgcc-ia64.ver: New file.
2299 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2300 (SHLIB_LINK): Add --version-script.
2301 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2302 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2303 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2304 (SHLIB_LINK): Add -M.
2306 2000-10-05 Richard Henderson <rth@cygnus.com>
2308 * Makefile.in (LIB2FUNCS): Add _clz.
2309 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2310 (__clz_tab): Put in its own unit, non-static.
2311 * libgcc2.h: Always include longlong.h.
2313 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2314 a zero instead of -1.
2315 (count_trailing_zeros): Likewise.
2317 2000-10-05 Richard Henderson <rth@cygnus.com>
2319 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2320 when second op1 is const0_rtx. Validate op0 as a register.
2321 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2322 in the first argument of the compare.
2323 (setcc_swapped_internal): Likewise.
2324 (setne_internal): Likewise.
2326 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2328 * tree.c (tree_size): New function split out of copy_node.
2329 (make_node): Remove obstack handling. Use tree_size.
2330 (copy_node): Use tree_size.
2331 * tree.h: Prototype tree_size.
2333 2000-10-05 Richard Henderson <rth@cygnus.com>
2335 * diagnostic.c (output_format): Add missing break.
2337 2000-10-05 Jim Wilson <wilson@cygnus.com>
2339 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2340 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2341 sequence insn to INSN, and delete last sequence insn.
2343 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2345 * gcc.c (main): Include generated configargs.h header
2346 and use arguments in '-v' output.
2348 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2350 * gcc.c: Move data on prefixes forward in file and reorganize.
2351 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2352 Always define, but make null if no value.
2353 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2354 and "md_startfile_prefix_1".
2355 (main): Check whether md_exec_prefix and the others are the
2356 null string rather than whether the macro is defined.
2358 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2360 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2361 from PSImode to SImode.
2363 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2365 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2366 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2367 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2370 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2373 negation in proper type.a
2375 2000-10-04 Richard Henderson <rth@cygnus.com>
2377 * configure.in (enable-shared): New.
2378 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2379 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2380 * mklibgcc.in: Use them to link shared a libgcc.
2381 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2382 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2383 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2384 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2386 * configure.in (alpha-osf*): Use t-osf and x-osf.
2387 * config/alpha/t-osf: New file.
2388 * config/alpha/t-osf4: New file.
2389 * config/alpha/x-osf: New file.
2390 * config/alpha/x-alpha: Remove file.
2392 2000-10-04 Will Cohen <wcohen@redhat.com>
2394 * c-typeck.c (process_init_element): Added warning for zero-length
2397 * extend.texi (Zero Length): State that static initializers for
2398 zero-length arrays are not allowed.
2400 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2402 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2405 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2407 * config/float-c4x.h: New.
2408 * configure.in (c4x-*): Set float_format to c4x.
2409 * configure: Regenerate.
2411 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2413 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2414 compilation for solaris versions 2.7 and greater.
2416 2000-10-02 Marc Espie <espie@openbsd.org>
2418 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2419 instead of redefining from scratch.
2421 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2423 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2425 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2427 * config/ns32k/genix.h: Remove.
2428 * config/ns32k/x-genix: Likewise.
2429 * config/ns32k/xm-genix.h: Likewise.
2430 * config/fx80: Remove all filee in directory.
2431 * config/pyr: Likewise.
2432 * config/tahoe: Likewise.
2433 * config/gmicro: Likewise.
2434 * config/spur: Likewise.
2435 * configure.in: Remove configury bits for above targets.
2436 * configure: Regenerated.
2438 * configure.in: Don't configure chill by default.
2439 * configure: Regenerated.
2441 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2442 (lang_mark_false_label_stack): Remove.
2443 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2444 <top level> string in GC area.
2445 (mark_splay_tree_node): New function.
2446 (mark_splay_tree): Likewise.
2447 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2449 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2450 * ggc-common.c (lang_mark_false_label_stack): Change type.
2451 * ggc.h (ggc_alloc_string): Add comment.
2452 (ggc_strdup): New function.
2454 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2456 * config/avr/avr.h (BRANCH_COST): Define as 0.
2458 * config/pdp11/pdp11.c: #include "tree.h" added.
2460 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2462 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2463 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2464 with known shift count.
2465 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2466 New alternative for shift count 2 with no scratch register.
2467 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2468 "set_n" for shift counts 1 and 2.
2470 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2472 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2473 the mask value from the individual SET operations.
2474 (return_internal_si): Move the USE after the RETURN.
2475 (return_internal_di): Likewise.
2476 (return_and_restore_fpregs_si): Likewise.
2477 (return_and_restore_fpregs_di): Likewise.
2478 (return_eh_si): Likewise.
2479 (return_eh_di): Likewise.
2480 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2482 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2483 Don't generate a PARALLEL around a single operation movsi_to_cr.
2484 Generate the RETURN first in any PARALLELs.
2486 * rtlanal.c (single_set_1): Use fatal_insn to display the
2487 invalid insn. Check for more cases when a USE or CLOBBER occurs
2489 * Makefile.in: Update dependencies for rtlanal.o.
2491 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2493 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2495 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2497 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2498 Consistently use @email for formatting email addresses.
2500 2000-09-29 Richard Henderson <rth@cygnus.com>
2502 * cse.c (notreg_cost): New argument outer.
2503 (COST): Pass in SET to notreg_cost
2505 (fold_rtx): Use COST_IN. Prefer constants when costs
2508 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2510 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2511 * fixinc/fixincl.x: Regenerate.
2513 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2515 * loop.c (check_final_value): A GIV is not replaceable if used
2518 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2520 * version.c: Bump to gcc-2.97.
2522 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2524 * final.c (final_scan_insn): Remove extra extract_insn call;
2525 Use caching for constrain_operands.
2526 (cleanup_subreg_operands): Use caching for extract_insn.
2527 * recog.c (constrain_operands_cached): New.
2528 * recog.h (constrain_operands_cached): Declare.
2529 * i386.c (ix86_attr_length_immediate_default,
2530 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2533 * recog.c (asm_noperands): Tweak.
2534 (extract_insn): Do not call asm_noperads for non-asm instructions.
2536 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2538 * recog.c (recog_memoized): Rename to recog_memoized_1.
2539 * recog.h (recog_memoized): Rename to recog_memoized_1.
2540 (recog_memoized): New macro.
2541 * rtl.h (single_set): Rename to single_set_1
2542 (single_set): New macro.
2543 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2546 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2547 Do not use match_dup of input operands at outputs.
2548 Use register_operand for memory expression.
2549 (rep_movsi): Put use last, canonicalize.
2550 Use register_operand for memory expression.
2551 (rep_movqi): Put use last.
2552 Use register_operand for memory expression.
2553 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2554 of input operands at outputs. Use register_operand for memory
2556 (rep_stossi): Put use last; canonicalize; fix match_dup in
2557 the address expression
2558 (rep_stosqi): Likewise.
2559 (memcmp expander): Update calls.
2560 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2563 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2565 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2567 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2569 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2570 Contains the old contents of config/i386/freebsd.h
2571 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2572 Contains the old contents of config/i386/freebsd-elf.h
2573 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2574 config/i386/freebsd.h.
2575 * configure.in: Adjust for above changes.
2576 * po/POTFILES.in: Likewise.
2577 * po/en_GB.po: Likewise.
2578 * po/gcc.pot: Likewise.
2579 * configure: Rebuilt.
2581 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2583 * doloop.c (doloop_modify): Prevent delete_insn() from
2584 deleting too much. Prefer loop->top over loop->start as
2585 target for the new JUMP insn.
2586 (doloop_valid_p): Ignore loop with exit_count != 0.
2588 2000-09-28 Philipp Thomas <pthomas@suse.de>
2590 * invoke.texi (i386 Options): Add athlon to table of possible
2593 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2595 * diagnostic.h (output_clear_message_text): New function.
2596 (output_message_text): New macro.
2598 * diagnostic.c (clear_text_info): Rename to
2599 output_clear_message_text.
2600 (output_clear): Adjust.
2601 (output_finish): Rename to output_finalize_message. Tweek.
2602 (output_to_stream): Adjust.
2604 2000-09-28 Neil Booth <neilb@earthling.net>
2606 * cpperror.c (_cpp_begin_message): Do the test for suppression
2607 of warnings and pedantic warnings before the "is a warning an
2609 * cppinit.c (cpp_handle_option): Remove surplus \n.
2610 * cpplex.c (ON_REST_ARG): Delete.
2611 (skip_block_comment): Initialise prevc.
2612 (parse_args): Improve error messages.
2613 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2615 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2616 * cppmain.c (main): Set callbacks for #ident and #pragma
2617 only if no_output option is false.
2618 (do_pragma_implementation): Only call the #pragma handler
2619 if it is set in the cpp_reader structure.
2621 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2623 * integrate.c (copy_insn_list): if an ignored return value
2624 is being clobbered, skip cloning that into the inline copy.
2626 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2628 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2629 use @uref for formatting URLs.
2631 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2633 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2636 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2638 * gcc.c (cpp_options): Add spec for -ftabstop=.
2639 (invoke_as): New spec that handles invoking as.
2640 Update specs to handle -save-temps and -traditional.
2641 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2643 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2644 invoke_as, and handle -save-temps and -traditional (if
2647 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2649 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2651 (function_arg_slotno): Accept TImode/CTImode.
2652 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2655 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2657 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2660 2000-09-25 Jim Wilson <wilson@cygnus.com>
2662 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2663 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2664 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2665 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2667 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2669 * cpplex.c (parse_args): Don't set VOID_REST flag.
2670 (CONTEXT_VARARGS): New flag.
2671 (maybe_paste_with_next): Set context earlier in loop. Use
2672 it. Do varargs test with CONTEXT_VARARGS flag.
2673 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2674 pushing an argument context for a varargs argument.
2675 * cpplib.h (VOID_REST): Delete.
2676 * gcc.dg/cpp/vararg1.c: Add test case.
2678 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2680 * flags.h: Declare warning flag warn_system_headers.
2681 * toplev.c: Define it.
2682 (W_options): Add option -Wsystem-headers.
2683 * diagnostic.c (count_error): Test warn_system_headers.
2684 * invoke.texi: Add description for -Wsystem-headers.
2685 * cpplib.h (cpp_options): New member warn_system_headers.
2686 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2687 CPP_IN_SYSTEM_HEADER.
2688 * cpplib.c (do_import, do_pragma_once): Likewise.
2689 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2690 and CPP_IN_SYSTEM_HEADER.
2691 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2692 (print_help): Describe -Wsystem_headers.
2693 * cpplex.c (lex_line): Reorganize condition so that warnings
2694 about C++ comments in system headers can be enabled. Remove
2695 label do_line_comment.
2697 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2699 * cpplex.c (save_comment): Only store the initial '/'
2701 (lex_token): Combine handling of the two comment types.
2702 Pass everything but the initial '/' to save_comment.
2704 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2706 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2707 _cpp_can_paste): New library-internal prototypes.
2708 * cpplex.c (dump_param_spelling, output_line_command,
2709 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2710 cpp_printf, cpp_output_list): Move to cppoutput.c.
2711 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2712 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2714 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2715 dump_param_spelling, output_line_command, cpp_scan_buffer,
2716 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2718 * Makefile.in: Add cppoutput.c.
2719 * po/POTFILES.in: Add cppoutput.c.
2721 2000-09-25 Richard Henderson <rth@cygnus.com>
2723 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2724 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2725 split until after reload.
2726 (rotlsi3, rotldi3): New.
2728 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2730 * diagnostic.c (output_last_position): Define.
2731 (set_real_maximum_length): Tweek.
2732 * diagnostic.h (output_last_position): Declare.
2734 2000-09-25 Kazu Hirata <kazu@hxi.com>
2736 * config/i386/i386.c: Fix formatting.
2738 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2740 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2741 UNITS_PER_WORD is small.
2743 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2745 * c-common.c (format_char_info): Add flags2; update comments.
2746 (print_char_table, scan_char_table, time_char_table): Split some
2747 flags out into flags2.
2748 (check_format_info): Use flags2 for those flags, for identifying
2749 the initial character of a scanf scanset, and for identifying
2750 printf formats where the '0' flag is ignored with precision.
2752 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2754 Changes below marked "here" add TABs on either or both sides,
2755 covering start of line, up to any operand for all noted .*ASM.*_OP
2756 definitions. All callers changed.
2757 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2758 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2759 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2760 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2761 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2762 Fix typos in description for LONG_LONG_TYPE_SIZE and
2763 FINI_SECTION_ASM_OP.
2764 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2765 why these defaults don't have leading spacing.
2766 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2767 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2768 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2769 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2770 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2771 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2772 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2773 * varasm.c (ASM_STABS_OP): Here.
2774 * xcoffout.h (ASM_STABS_OP): Here.
2775 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2776 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2777 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2778 STRING_ASM_OP): Here.
2779 * config/freebsd.h (IDENT_ASM_OP): Here.
2780 * config/linux-aout.h (SET_ASM_OP): Here.
2781 * config/linux.h (SET_ASM_OP): Here.
2782 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2784 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2785 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2786 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2787 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2789 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2790 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2791 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2792 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2793 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2794 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2795 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2796 * config/a29k/udi.h (INT_ASM_OP): Here.
2797 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2798 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2800 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2801 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2802 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2803 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2804 ASM_STABD_OP): Here.
2805 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2806 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2807 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2808 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2809 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2810 SIZE_ASM_OP, STRING_ASM_OP): Here.
2811 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2812 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2813 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2814 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2815 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2816 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2818 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2819 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2820 * config/arm/coff.h (INT_ASM_OP): Here.
2821 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2822 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2823 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2824 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2825 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2826 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2827 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2828 STRING_ASM_OP): Here. Update documentation copy in comments.
2829 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2830 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2831 DATA_SECTION_ASM_OP): Here.
2832 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2834 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2835 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2836 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2837 BSS_SECTION_ASM_OP): Here.
2838 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2839 BSS_SECTION_ASM_OP): Here.
2840 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2842 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2843 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2844 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2845 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2846 BSS_SECTION_ASM_OP): Here.
2847 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2848 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2849 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2850 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2851 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2853 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2854 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2856 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2857 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2858 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2859 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2861 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2862 * config/i386/netbsd.h (INT_ASM_OP): Here.
2863 * config/i386/openbsd.h (INT_ASM_OP): Here.
2864 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2865 IDENT_ASM_OP): Here.
2866 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2867 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2868 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2869 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2870 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2871 SHARED_BSS_SECTION_ASM_OP): Here.
2872 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2873 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2874 DATA_SECTION_ASM_OP): Here.
2875 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2876 CONST_SECTION_ASM_OP): Here.
2877 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2878 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2879 BSS_SECTION_ASM_OP): Here.
2880 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2881 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2882 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2883 BSS_ASM_OP): Here, but use trailing spaces.
2884 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2885 DATA_SECTION_ASM_OP): Here.
2886 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2888 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2889 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2890 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2891 TDESC_SECTION_ASM_OP): Here.
2892 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2893 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2894 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2896 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2897 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2898 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2899 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2900 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2901 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2902 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2903 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2904 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2905 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2906 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2907 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2909 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2910 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2911 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2912 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2913 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2914 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2915 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2916 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2917 GLOBAL_ASM_OP): Here.
2918 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2919 BSS_SECTION_ASM_OP): Here.
2920 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2921 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2922 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2923 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2925 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2926 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2927 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2928 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2929 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2930 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2931 but use trailing spaces.
2932 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2933 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2934 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2936 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2937 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2938 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2939 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2940 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2941 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2942 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2943 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2944 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2945 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2946 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2947 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2949 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2950 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2951 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2952 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2953 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2954 DTORS_SECTION_ASM_OP): Here.
2955 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2956 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2957 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2958 BSS_SECTION_ASM_OP): Here.
2959 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2960 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2961 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2962 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2963 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2964 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2965 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2966 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2968 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2970 * config/mips/osfrose.h (SET_ASM_OP): Here.
2971 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2972 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2973 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2974 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2976 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2977 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2978 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2979 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2980 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2981 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2983 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2985 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2986 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2987 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2989 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2990 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2991 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2992 * config/sparc/linux64.h (COMMON_ASM_OP,
2993 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2994 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2995 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2996 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2997 * config/sparc/pbd.h (ASM_INT_OP): Here.
2998 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2999 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3000 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3001 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3002 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3003 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3004 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3005 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3006 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3007 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3008 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3009 EH_FRAME_SECTION_ASM_OP): Here.
3010 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3011 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3013 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3015 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3016 TCOMMON_ASM_OP): Here.
3017 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3019 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3022 2000-09-25 Richard Henderson <rth@cygnus.com>
3024 * expmed.c (store_bit_field): Adjust last change to not consider
3025 any word-sized field naturally aligned.
3027 2000-09-24 Richard Henderson <rth@cygnus.com>
3029 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3030 TFmode unordered compares properly. Revalidate integer compare
3032 (alpha_emit_setcc): New.
3033 (alpha_emit_conditional_move): Revalidate integer compare operands.
3034 * config/alpha/alpha-protos.h: Update.
3035 * config/alpha/alpha.md (cmpdi): Allow general operands.
3036 (sne): Use alpha_emit_setcc.
3037 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3038 (sunordered, sordered): New.
3040 2000-09-24 Richard Henderson <rth@cygnus.com>
3042 * config/ia64/ia64-protos.h: Update.
3043 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3044 (ia64_expand_call): New.
3045 (ia64_expand_prologue): Emit an alloc if we need extra input
3047 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3048 instruction if true.
3049 (struct reg_flags): Add is_sibcall.
3050 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3051 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3052 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3053 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3054 * config/ia64/ia64.md (call): Use ia64_expand_call.
3055 (call_value): Likewise.
3056 (sibcall, sibcall_value): New.
3057 (call patterns): Remove extra expanders; tidy.
3058 (sibcall_epilogue): New.
3059 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3061 2000-09-24 Richard Henderson <rth@cygnus.com>
3063 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3065 * sibcall.c (skip_pic_restore): New.
3066 (identify_call_return_value): Use it.
3068 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3070 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3071 functions. Generalize to handle both C and C++.
3072 * Makefile.in (c-tree.info): New target.
3073 (info): Add c-tree.info.
3075 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3077 * expr.c (store_field): If BITSIZE is negative, use size of type.
3078 (expand_expr, case COMPONENT_EXPR): Likewise.
3080 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3082 * cpplex.c: Update TODO comment.
3083 * cpplib.c (do_error, do_warning): Merge common code of
3084 do_error and do_warning into do_diagnostic. Use it.
3085 (do_diagnostic): New function.
3086 * cpplib.h: Fix comment typo.
3088 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3090 * c-common.c (check_format_info): Warn for a wide character string
3091 used as a non-wide format argument.
3093 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3095 * builtins.def (BUILT_IN_LLABS): Add.
3096 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3097 * c-common.c (c_common_nodes_builtins): Create builtin functions
3098 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3099 outside of C99 mode.
3100 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3102 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3104 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3105 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3106 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3107 _cpp_free_toklist): No need to worry about extra dummy token
3108 at the start of token lists any more.
3109 (trigraph_ok): Only warn outside comments.
3110 (skip_block_comment): Set and clear lexing_comment.
3111 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3112 Set and clear lexing_comment.
3113 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3114 (check_long_token): Delete.
3115 (lex_percent, lex_dot): New subroutines of lex_token to
3116 handle lexing of '.' and '%' without lookback.
3117 (lex_token): Use lex_dot and lex_percent.
3118 (lex_line): Don't check for LIST_OFFSET.
3119 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3120 * cpplib.c (_cpp_parse_assertion): Similarly.
3121 (cpp_push_buffer): Initialize extra_char.
3122 * cpplib.h (LIST_OFFSET): Delete.
3123 (struct cpp_buffer): New member extra_char.
3124 (struct lexer_state): New members lexing_comment and seen_dot.
3126 2000-09-23 Jason Merrill <jason@redhat.com>
3128 * config/rs6000/x-aix41 (CLIB): Define here.
3129 * config/rs6000/t-aix43: Not here.
3130 * config/rs6000/t-aix41: Or here. Remove.
3131 * configure.in: Don't use it.
3133 2000-09-22 Jason Merrill <jason@redhat.com>
3135 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3136 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3137 * config.in: Regenerate.
3139 * configure.in: Fix checks for assembler features when using a
3140 one-tree assembler that has not yet been built.
3141 Fix --disable-threads.
3143 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3145 * stmt.c (expand_asm_operands): Allow # in constraints.
3147 2000-09-22 Jason Merrill <jason@redhat.com>
3149 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3151 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3152 function-local names.
3154 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3155 Mark Mitchell <mark@codesourcery.com>
3157 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3158 * flags.h (warn_disabled_optimization): Add it here.
3159 * gcse.c (gcse_main): Add warning when disabled.
3160 * invoke.texi: Document -Wdisabled-optimization.
3162 2000-09-21 Jason Merrill <jason@redhat.com>
3164 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3166 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3167 (gen_variable_die): Call it for non-definitions.
3169 * dwarf2out.c (die_struct): Add die_mark field.
3170 (mark_dies, unmark_dies): New fns.
3171 (clear_die_sizes): Remove.
3172 (print_die): Check die_symbol rather than die_offset.
3173 (build_abbrev_table, output_pubnames, output_aranges): Check
3174 die_mark rather than die_offset.
3175 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3178 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3180 * cppfiles.c (lookup_include_file): Rename to open_file.
3181 Always create a splay tree value, even on syscall failures.
3182 Negative entries indicated by fd == -2.
3183 Re-open files closed in the meantime.
3184 (_cpp_fake_include): Create a negative splay tree entry.
3185 (find_include_file, cpp_read_file): Update for function name
3187 * gcc.gd/cpp/mi4.c: Testcase.
3189 2000-09-21 Nick Clifton <nickc@redhat.com>
3191 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3192 ARM and THUMB modes.
3194 * config/mcore/mcore.c: Fix compile time warnings.
3195 * config/mcore/mcore-protos.h: Fix compile time warnings.
3197 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3199 * configure.in: Correct test of gcc_cv_glibc.
3200 * configure: Rebuilt.
3201 * config.in: Rebuilt.
3203 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3205 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3206 (expand_builtin): Handle BUILT_IN_FWRITE.
3208 * builtins.def (BUILT_IN_FWRITE): New entry.
3210 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3212 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3214 * gcc.c (modify_target): New variable and struct.
3215 (process_command): Handle MODIFY_TARGET_NAME.
3216 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3217 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3219 * c-decl.c (finish_decl): Add else's to avoid referencing
3220 TYPE_DOMAIN of an ERROR_MARK.
3222 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3224 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3227 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3229 * config/avr/avr.md (neghi2): Add alternative for input and output
3230 operands in different registers, as in negsi2.
3231 (*negsi2): Remove '*' from the name. Use "movw" if available.
3233 2000-09-19 Jim Wilson <wilson@cygnus.com>
3235 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3236 HAVE_GAS_HIDDEN macro.
3238 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3240 * cpplex.c (lex_line): Drop the EOF token for unknown
3241 directives in assembler.
3243 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3245 * configure.in: Allow enable_threads_flag value of "aix". Define
3246 thread_file as "aix" for AIX 4.3 and above.
3247 * configure: Regenerated.
3249 * gthr-aix.h: New file.
3251 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3252 Remove 403 processor multilib match. Fix rios2 processor multilib
3255 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3256 to return to appropriate csect.
3258 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3260 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3262 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3263 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3266 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3269 * c-common.c (init_function_format_info): Handle __builtin_printf.
3270 Set `check_function_format_ptr'.
3271 (c_common_nodes_and_builtins): Set `puts_ftype' and
3272 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3273 __builtin_printf and printf.
3275 * tree.c, tree.h (check_function_format_ptr): Declare.
3277 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3279 * cppfiles.c (read_include_file): Take no special action for
3282 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3284 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3285 rather than that of branch.
3286 (shorten_branches): Don't increment insn_current_address twice.
3288 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3289 * loop.h (struct induction): Delete members derived, ix and last_use.
3290 (struct loop_ivs): Delete members first_increment_giv and
3292 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3293 recombine_givs): Delete functions.
3294 (find_and_verify_loops): Don't initialize cont_dominator.
3295 (strength_reduce): Lose code to try to find bivs that can be
3296 expressed as givs of another biv, and to convert biv increments
3298 Lose loop_scan_start variable, always use loop->scan_start.
3299 Don't call recombine_givs. Don't handle derived givs.
3300 (record_giv): Don't initialize derived and last_use fields.
3301 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3303 * unroll.c (derived_regs): Delete static variable.
3304 (unroll_loop): Don't initialize it.
3305 (copy_loop_body): Lose code to handle derived givs.
3306 (find_splittable_givs): Don't check for givs made from biv
3308 Don't set derived_regs.
3310 Fix misapplied earlier patch:
3311 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3313 (floatsisf2): Generate floatsisf_ie by default.
3314 (floatsisf_i4): Conditional on TARGET_SH4.
3316 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3317 predicate for the expanders.
3319 2000-09-19 Richard Henderson <rth@cygnus.com>
3321 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3322 in addition to pentium and pentiumpro symbols.
3323 (CPP_CPU_DEFAULT_SPEC): Likewise.
3325 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3328 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3329 if the tree has side effects.
3330 (warn_if_unused_value): Do not warn about void constructs.
3332 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3334 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3335 calling invert_jump.
3337 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3339 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3342 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3344 * Makefile.in (c-common.o): Depend on diagnostic.h.
3346 * c-common.c: Include diagnostic.h.
3348 (status_warning): New function.
3349 (check_format_info, maybe_read_dollar_number, check_format_types,
3350 finish_dollar_format_checking, check_function_format): Accept a
3351 `status' parameter. All callers changed.
3353 * c-common.h (check_function_format): Accept a `status' parameter.
3355 * c-typeck.c: Update call to `check_function_format'.
3357 2000-09-18 Richard Henderson <rth@cygnus.com>
3359 * c-decl.c (c_expand_body): Call mark_varargs before
3360 expand_function_start.
3362 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3364 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3365 * config/rs6000/eabi-ci.asm: Likewise.
3367 2000-09-18 Richard Henderson <rth@cygnus.com>
3369 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3372 2000-09-18 Jim Wilson <wilson@cygnus.com>
3374 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3375 before passing it to fold_rtx_mult_add.
3377 * unroll.c (final_giv_value): Pass increment through
3378 extend_value_for_giv before passing it to emit_iv_add_mult.
3380 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3381 paradoxical subreg, then directly substitute the replacement and
3384 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3386 * cpp.texi: Update documentation, including some clarifications,
3387 the treatment of various newline combinations, and space between
3388 backslash and newline.
3390 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3392 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3393 Replace ASM_OUTPUT_LABELREF with assemble_name.
3395 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3397 * sh.c (addsubcosts): CONST is not cheap.
3398 (find_barrier): For Sh1, take alignment after jumps into account.
3400 2000-09-15 Andrew Haley <aph@redhat.com>
3402 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3403 remove all SETs of SUBREGs of hard registers.
3404 * function.c (purge_hard_subreg_sets): New function.
3405 (purge_single_hard_subreg_set): New function.
3406 * rtl.h: (purge_hard_subreg_sets): New function.
3408 2000-09-18 Richard Henderson <rth@cygnus.com>
3410 * config/ia64/ia64-protos.h: Update.
3411 * config/ia64/ia64.c (signed_inequality_operator): New.
3412 (ia64_expand_compare): New.
3413 (ia64_register_move_cost): Handle PR_REGS moves.
3414 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3415 (struct reg_write_state): Add written_by_and/or.
3416 (struct reg_flags): Add is_and/or.
3417 (rws_update): Set them.
3418 (rws_access_regno): Test them to allow parallel comparisons.
3419 (rtx_needs_barrier): Recognize parallel comparisons.
3420 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3421 Call recog_memoized; ignore pred_rel_mutex.
3422 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3423 (ia64_reorg): Do it here instead.
3424 * config/ia64/ia64.h: s/CCmode/BImode/g
3425 (MODES_TIEABLE_P): Don't tie BImode.
3426 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3427 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3428 (RTX_COSTS): Make multiply 4 insns.
3429 (MEMORY_MOVE_COST): New.
3430 (PREDICATE_CODES): Update.
3431 * config/ia64/ia64.md: s/CCmode/BImode/g
3432 (movcci, movbi): New.
3433 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3434 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3435 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3436 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3437 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3438 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3439 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3440 (mulsi, muldi): Use xmpy not xma.
3442 (movcc, movcc_internal): Remove.
3443 (branch expanders): Use ia64_expand_compare.
3444 (setcc expanders): Likewise.
3445 (cmov insns): Use move_operand and ia64_move_ok.
3446 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3447 scheduler from moving it past a use.
3448 * config/ia64/build.hacks: Remove.
3450 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3452 * cpphash.h (HASHSTEP): Take character rather than pointer
3454 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3456 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3458 * cpplex.c (auto_expand_name_space, trigraph_replace,
3459 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3460 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3461 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3462 KNOWN_DIRECTIVE): Delete.
3464 (handle_newline, check_long_token, skip_escaped_newlines,
3465 unterminated): New functions.
3466 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3468 (parse_identifier): Was parse_name, new implementation.
3469 (skip_line_comment, skip_block_comment, skip_whitespace,
3470 parse_number, parse_string, trigraph_ok, save_comment,
3471 adjust_column, _cpp_get_line): New implementations.
3473 (lex_token): New function. Lexes a token at a time, looking
3474 forwards. Contains most of the guts of the old lex_line.
3475 (lex_line): New implementation, using lex_token to obtain
3477 (cpp_scan_buffer): Use the token's line, not the list's line.
3479 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3480 New implementations.
3481 (do_assert): Don't bother setting the answer's list's line.
3482 (cpp_push_buffer): Initialise new pfile and read_ahead members
3483 of struct cpp_buffer.
3485 * cpplib.h (cppchar_t): New typedef.
3486 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3488 (struct lexer_state): New structure that determines the state
3489 and behaviour of the lexer.
3490 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3491 (struct cpp_reader): New member "state". Rename
3492 multiline_string_line and multiline_string_column. Delete
3493 col_adjust, in_lex_line members.
3494 (CPP_BUF_COLUMN): Update.
3496 2000-09-18 Richard Henderson <rth@cygnus.com>
3498 * combine.c (simplify_comparison): Shift a NOT out of a single
3501 * combine.c (if_then_else_cond): Canonicalize BImode true to
3503 * explow.c (trunc_int_for_mode): Likewise.
3505 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3506 the NOT for De Morgan's rule.
3507 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3508 of a comparison to the reverse comparison.
3510 * combine.c (try_combine): Allow split to create a single insn.
3512 * machmode.def: Add BImode. Add a column for bitsize.
3513 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3514 (GET_MODE_BITSIZE): Use it.
3515 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3516 (mode_bitsize): New.
3517 (mode_mask_array): Use bitsize.
3518 * combine.c (combine_simplify_rtx): Require inner and outer
3519 modes to match on nonzero_bits optimizations.
3521 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3523 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3524 its entry in spill_reg_store.
3525 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3526 * sh.c (reg_no_subreg_operand): New function.
3527 * sh-protos.h (reg_no_subreg_operand): Declare it.
3528 * sh.h (PREDICATE_CODES): Add it.
3529 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3530 input operand that needs to be in fpul.
3531 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3532 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3533 might add new insns.
3535 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3537 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3539 (sh_expand_epilogue): Take the PIC register into account when
3540 computing the frame size.
3542 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3543 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3544 LABEL_REFs with a PIC-safe unspec.
3546 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3548 * c-common.c (check_format_info): Properly save the argument
3549 number and parameter for $ operand number formats in case width
3550 and precision arguments are also used. Allow printf width and
3551 precision arguments to have operand numbers even if none was
3552 specified for the main format, since this is OK for %*.*m. Only
3553 object to missing $ operand number if the format used requires an
3556 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3558 * c-common.c (format_char_info): Add 'W' flag to comment.
3559 (print_char_table, scan_char_table): Use it.
3560 (check_format_info): Use the 'W' flag to determine whether a
3561 format argument is written into.
3563 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3565 * c-common.c (check_format_types): Reorganise and clean up,
3566 checking earlier for ERROR_MARKs and making cur_type into its
3567 TYPE_MAIN_VARIANT where convenient.
3569 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3571 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3573 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3575 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3577 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3578 * i386.c (struct builtin_description): New.
3579 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3580 (mmx_reg_operand): Declare MODE arg as unused.
3581 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3582 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3583 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3584 ix86_init_builtins, ix86_expand_builtin): New functions.
3585 * i386.h (ix86_builtins): New enumeration.
3586 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3587 * i386.md (attr length_immediate): 0 for mmx/sse types.
3588 (attr prefix_0f): 1 for mmx/sse types.
3589 (setcc_2): Remove "*" so we get gen_setcc_2.
3590 (emms): Account for changed register numbering. Set "memory" attr
3592 (sfence): Set "memory" attr to unknown.
3594 2000-09-18 Andreas Jaeger <aj@suse.de>
3596 * configure.in: Define _GNU_SOURCE only when using the GNU C
3598 * configure: Regenerated.
3599 * config.in: Regenerated.
3601 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3603 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3604 * flow.c (flow_dump_loop): Likewise.
3605 (flow_loops_dump): Likewise.
3607 * c-typeck.c (c_start_case): Fix typo.
3609 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3611 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3612 to int for plain complex which defaults to complex double. Do
3613 warn about defaulting to complex double if pedantic. Warn about
3614 complex integer types if pedantic. Warn about complex types if
3615 pedantic and not in C99 mode.
3616 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3617 for complex conjugation.
3619 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3621 * contrib.texi: Update my entry.
3623 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3625 * config/avr/avr.md (mcu_enhanced): New attribute.
3626 (mcu_mega): Likewise.
3627 (extendhisi2): Use mcu_enhanced.
3628 (zero_extendhisi2): Likewise.
3629 (call_insn): Use mcu_enhanced and mcu_mega.
3630 (call_value_insn): Likewise.
3631 (*sbrx_branch): Use mcu_mega.
3632 (*sbrx_and_branchsi): Likewise.
3633 (*sbrx_and_branchhi): Likewise.
3634 (*tablejump_lib): Likewise.
3636 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3638 * alias.c (true_dependence): Allow non-unchanging read to conflict
3639 with unchanging write.
3641 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3642 (store_constructor): Pass alias_set to it.
3644 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3645 TYPE_MAIN_VARIANT of ERROR_MARK.
3646 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3648 * simplify-rtx.c (simplify_unary_operation): Add cases
3649 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3651 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3653 * expr.h (emit_library_call, emit_library_call_value): Delete
3655 * rtl.h (enum libcall_type): New.
3656 (emit_library_call, emit_library_call_value): Change fn_type arg to
3657 be of type enum libcall_type.
3658 * calls.c: Likewise for the function definitions. Several callers
3659 throughout changed to use the new enumeration appropriately.
3660 (emit_library_call_value_1): Likewise. Put back code to make libcall
3661 blocks of equal form, but only use it for the two new higher
3664 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3666 Convert the C front-end to use function-at-a-time mode.
3667 * c-common.h: Include splay-tree.h.
3668 (C_DECLARED_LABEL_FLAG): New macro.
3669 (struct language_function): Add x_scope_stmt_stack and
3670 x_function_name_declared_p.
3671 (RECHAIN_STMTS): Move definition.
3672 (lang_statment_code_p): Likewise.
3673 (lang_expand_stmt): Likewise.
3674 (lang_expand_decl_stmt): New variable.
3675 (lang_expand_function_end): Likewise.
3676 (current_scope_stmt_stack): New function.
3677 (add_decl_stmt): Likewise.
3678 (add_scope_stmt): Likewise.
3679 (mark_stmt_tree): Likewise.
3680 (struct c_lang_decl): New structure.
3681 (DECL_SAVED_TREE): Define.
3682 (c_mark_lang_decl): New function.
3683 (c_expand_start_cond): Change prototype.
3684 (c_finish_then): New function.
3685 (c_finish_else): Likewise.
3686 (current_function_name_declared): Remove.
3687 (set_current_function_name_declared): Likewise.
3688 (mark_c_language_function): Declare.
3689 (case_compare): Likewise.
3690 (c_add_case_label): Likewise.
3691 (c_expand_expr): Likewise.
3692 (c_safe_from_p): Likewise.
3693 * c-common.c (lang_expand_function_end): New variable.
3694 (struct if_elt): Add if_stmt.
3695 (c_expand_start_cond): Add the if-statement to the statement-tree,
3696 rather than generating RTL.
3697 (c_finish_then): New function.
3698 (c_expand_start_else): Don't generate RTL.
3699 (c_finish_else): New function.
3700 (c_expand_expr_stmt): Don't generate RTL.
3701 (statement_code_p): Add SCOPE_STMT.
3702 (case_compare): New function.
3703 (c_add_case_label): Likewise.
3704 (mark_stmt_tree): Likewise.
3705 (c_mark_lang_decl): Likewise.
3706 (mark_c_language_function): Likewise.
3707 (c_expand_expr): Likewise.
3708 (c_safe_from_p): Likewise.
3709 * c-decl.c (c_stmt_tree): New variable
3710 (c_scope_stmt_stack): Likewise.
3711 (c_function_name_declared_p): Likewise.
3712 (lang_expand_expr_stmt): Remove.
3713 (poplevel): Don't call output_inline_function for nested
3715 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3717 (redeclaration_error_message): Change means of computing whether
3718 or not a function is nested.
3719 (lookup_label): Don't call label_rtx.
3720 (init_decl_processing): Add more GC roots.
3721 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3722 calling rest_of_decl_compilation.
3723 (finish_decl): Don't call expand_decl.
3724 (store_parm_decls): Begin the statement-tree, but don't generate
3726 (finish_function): Tie off the statement-tree. Call c_expand_body
3728 (c_expand_body): New function.
3729 (push_c_function_context): Save more information.
3730 (pop_c_function_contxt): Likewise.
3731 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3732 (lang_mark_tree): Mark it.
3733 (current_stmt_tree): Adjust.
3734 (current_scope_stmt_stack): New function.
3736 (set_current_name_declared): Likewise.
3737 (c_begin_compound_stmt): Define.
3738 (c_expand_decl_stmt): Likewise.
3739 * c-lang.c: Include rtl.h and expr.h.
3740 (lang_init): Set more language-specific hooks.
3741 * c-lex.c: Include expr.h.
3742 * c-parse.in: Changes throughout to add statements to the
3743 statement-tree, rather than generating RTL after every statement.
3744 * c-semantics.c (lang_expand_decl_stmt): Define.
3745 (add_decl_stmt): New function.
3746 (add_scope_stmt): Likewise.
3747 (finish_stmt_tree): Tweak.
3748 (genrtl_expr_stmt): Likewise.
3749 (genrtl_decl_stmt): Handle local labels, and call
3750 lang_expand_decl_stmt if required.
3751 (genrtl_for_stmt): Fix line-number handling.
3752 (genrtl_case_label): Handle cleanups.
3753 (genrtl_asm_stmt): Don't call combine_strings.
3754 (genrtl_compound_stmt): Simplify.
3755 (expand_stmt): Handle SCOPE_STMTs.
3756 * c-tree.h (struct lang_decl): New structure.
3757 (C_DECLARED_LABEL_FLAG): Remove.
3758 (c_begin_compound_stmt): Declare.
3759 (c_expand_decl_stmt): Likewise.
3760 (c_expand_start_case): Rename to c_start_case.
3761 (c_finish_case): New function.
3762 * c-typeck.c (start_init): Tweak setting of
3763 constructor_incremental.
3764 (c_expand_asm_operands): Tweak error-handling. Add to the
3766 (c_expand_return): Add to the statement-tree.
3767 (c_expand_start_case): Rename to ...
3768 (c_start_case): ... this.
3769 (struct c_switch): New type.
3770 (switch_stack): New variable.
3771 (do_case): Simplify.
3772 (c_finish_case): New function.
3773 * dependence.c: Include expr.h.
3774 (enum dependence_type): Change spelling of enumerals.
3775 (check_node_dependence): Adjust.
3776 * expr.h (lang_safe_from_p): Declare.
3777 (safe_from_p): Likewise.
3778 * expr.c (lang_safe_from_p): New variable.
3779 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3780 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3781 * toplev.c (rest_of_decl_compilation): Robustify.
3782 * tree.c (contains_placeholder_p): Likewise.
3783 * Makefile.in: Update dependencies.
3784 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3785 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3786 (objc_expand_function_end): New function.
3787 (finish_method_def): Use it.
3788 (init_objc): Initialize more language-specific hooks.
3789 * objc/Make-lang.in: Update dependencies.
3791 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3793 * configure.in: Define macros that affect features before
3794 testing for features. Don't define _XOPEN_SOURCE.
3795 * configure: Regenerated.
3796 * config.in: Regenerated.
3798 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3800 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3801 (rtx_unstable_p): Restructure code. Volatile asms
3804 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3806 * function.h (no_debugging_symbols): New field.
3807 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3808 Initialize no_debugging_symbols.
3809 (output_inline_function): Save and restore write_symbols and set from
3810 no_debugging_symbols.
3811 * toplev.c (rest_of_compilation): Call save_for_inline.
3812 * tree.h: Update comment.
3814 * stor-layout.c (place_field): Don't do anything if field or
3815 its type are ERROR_MARK.
3817 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3819 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3820 (read_include_file): Ensure inc->mmaped is initialized.
3822 2000-09-16 Richard Henderson <rth@cygnus.com>
3824 * cppiles.c (purge_cache): Use PTR not caddr_t.
3826 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3828 * gcc.c: In description for %{<S}, say the option removed is -S.
3829 * invoke.texi (Spec Files): Ditto.
3831 2000-09-16 Andreas Jaeger <aj@suse.de>
3833 * configure.in: Always define _GNU_SOURCE to make interfaces
3834 visible that were hidden by only defining _GNU_SOURCE.
3835 * configure: Regenerated.
3837 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3839 * cpplex.c (push_macro_context): Set an argument's level after
3840 calling parse_args. We could loop infinitely otherwise.
3842 2000-09-15 Tom Tromey <tromey@cygnus.com>
3844 * configure, config.in: Rebuilt.
3845 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3847 2000-09-15 Greg McGary <greg@mcgary.org>
3849 * cppmacro.c (check_trad_stringification): Check token
3850 text pointers against limit before dereferencing.
3852 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3854 * c-common.c (format_wanted_type): New structure.
3855 (check_format_types): New function.
3856 (check_format_info): Pass all checking of types of format
3857 arguments, including width and precision arguments, to this new
3860 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3862 * BUGS: Remove file.
3864 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3866 * config/alpha/alpha.c (override_options): ev6 cache latencies
3867 from Richard Henderson. Don't allow -mmemory-latency=L0.
3869 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3870 (TARGET_OPTIONS): Add tune=.
3871 (alpha_tune_string): Declare.
3872 * config/alpha/alpha.c (override_options): Add cpu_table.
3873 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3874 and then alpha_tune_string to set alpha_cpu only.
3875 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3876 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3877 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3878 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3880 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3882 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3884 (ix86_comparison_operator, ix86_cc_mode): Declare
3885 * i386.h (CCGC, CCGCO): New modes.
3886 (SELECT_CC_MODE): Move offline to ....
3887 * i386.c (ix86_cc_mode): .... here; use new modes.
3888 (ix86_comparison_operator): New.
3889 (fcmov_comparison_operator): Ensure proper mode.
3890 (put_condition_mode): More sanity checking.
3891 (ix86_match_ccmode): Handle new modes.
3892 (ix86_expand_fp_compare): GEU requires CCmode.
3893 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3895 * i386.md (cmp?i_ccz_1): Remove
3896 (cmp?i_ccno_1): Use ix86_match_ccmode.
3897 (cmp?i_minus_1): New.
3898 (cmpsi_1): New expander.
3899 (cmpqi_ext_1): Use match_ccmode
3900 (cmpqi_ext_3): New expander.
3901 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3902 (cmpqi_ext_4): Use match_ccmode.
3903 (add?i_?): Use match_ccmode.
3905 (test?i_ccz_1): Remove
3907 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3908 (testqi_ext_0): Use ix86_match_ccmode.
3909 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3910 (xorqi_cc_ext_1): New expander.
3911 (shift patterns): Use CCGOCmode for all shifts except for sar.
3912 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3913 (setcc_3, jcc_3, miv?icc_c): Remove.
3915 2000-09-15 Will Cohen <wcohen@redhat.com>
3917 * dwarf2out.c (add_const_value_attribute): Changed array into a
3918 xmalloced object, so it exists after function exit.
3919 (free_AT): Added case for dw_val_class_float to free allocated
3922 2000-09-15 Kazu Hirata <kazu@hxi.com>
3924 * config/i386/i386.md: Fix a comment typo.
3925 * gcc.c: Fix formatting.
3927 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3929 * optabs.c (emit_libcall_block): If target is a user variable,
3930 copy to a temporary first.
3931 * expr.c (convert_move): When generating a libcall, make a libcall
3933 * calls.c (emit_library_call_value_1): Don't create a libcall
3934 sequence here; our caller will in most cases do it.
3936 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3938 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3939 * sh.md (reload_outsf): Generate recognizable patterns for
3941 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3942 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3943 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3944 truncdfsf2_i4): Change not to use explicit references to fpul.
3945 (floatsisf2_ie): Remove USE of fpscr.
3946 (floatsisf2): Change default expansion to match this.
3947 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3950 2000-09-15 Richard Henderson <rth@cygnus.com>
3952 * expmed.c (store_bit_field): Consider naturally aligned
3953 memory for direct reference.
3955 2000-09-15 Richard Henderson <rth@cygnus.com>
3957 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3958 AND addresses into alias set 0.
3959 (alpha_expand_unaligned_store): Likewise.
3960 (alpha_expand_unaligned_load_words): Likewise.
3961 (alpha_expand_unaligned_store_words): Likewise.
3963 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3965 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3966 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3968 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3969 rsize of UNITS_PER_WORD.
3971 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3973 * cpplex.c (ON_REST_ARG): Correct the test.
3974 (maybe_paste_with_next): Duplicate a token that fail pasting,
3975 and clear its PASTE_LEFT flag, so that nested pasting attempts
3978 2000-09-14 Richard Henderson <rth@cygnus.com>
3980 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3981 * cse.c (rtx_cost): Likewise.
3982 * optabls.c (expand_binop): Likewise.
3983 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3984 * regclass.c (copy_cost): Likewise.
3985 * reload1.c (reload_cse_move2add): Likewise.
3987 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3989 * c-parse.in (reswords): Add _Complex.
3991 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3993 * gcc.1: Delete documentation for -undef preprocessor option.
3995 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3997 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3998 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3999 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4000 Remove undefine before config/elfos.h.
4001 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4003 2000-09-14 Kazu Hirata <kazu@hxi.com>
4005 * invoke.texi (H8/300 Options): Add -ms2600.
4006 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4007 is used without -ms.
4008 * config/h8300.h (TARGET_MAC): New.
4009 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4010 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4011 machine other than H8/S2600.
4012 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4015 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4017 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4018 pseudos that refer to the original pseudos, not only to their
4019 equivalent memory locations.
4021 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4023 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4024 when making new MEM.
4026 * Makefile.in (LN): Remove duplicate definition.
4028 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4030 From Joern Rennecke:
4031 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4032 on an insn and function_invariant_p returns nonzero for the source,
4033 add a REG_EQUAL note.
4035 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4037 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4038 conflict with frame_pointer_rtx.
4040 2000-09-13 Kazu Hirata <kazu@hxi.com>
4042 * loop.c: Fix formatting.
4045 2000-09-13 Richard Henderson <rth@cygnus.com>
4047 * config/ia64/ia64.md (divsf3): New.
4048 (divsf3_internal_lat, divsf3_internal_thr): New.
4049 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4050 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4051 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4052 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4053 (nmadddf4_alts, nmadddf4_trunc): New.
4054 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4055 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4056 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4057 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4058 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4059 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4060 (nmaddtf4_truncdf_alts): New.
4061 (recip_approx): Don't predicate.
4063 2000-09-13 Richard Henderson <rth@cygnus.com>
4065 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4067 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4069 * flags.h (flag_dump_rtl_in_asm): Declare.
4070 * toplev.c (flag_dump_rtl_in_asm): Define.
4071 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4072 if -dP is specified.
4073 * rtl.h (print_rtx_head): Declare.
4074 * print-rtl.c (print_rtx_head): Define.
4075 (print_rtx): Print the string pointed to by print_rtx_head
4076 at beginning of each dump line.
4077 (print_rtl): Likewise.
4078 (print_rtl_single): Likewise.
4079 * final.c (final_scan_insn): Dump the insn in the assembly
4081 * gcc.1: Document -dP option.
4082 * invoke.texi (Debugging Options): Likewise.
4084 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4086 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4087 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4088 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4090 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4092 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4093 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4094 (*clrstrqi): Likewise.
4095 (xorhi3,xorsi3,absqi2): Likewise.
4096 (one_cmplhi2,one_cmplsi2): Likewise.
4097 (addsi3): Two stupid constraint alternatives removed.
4098 (extendhisi2): Use `movw' for enhanced avr cores.
4099 (zero_extendhisi2): Likewise.
4101 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4103 * alias.c (find_base_term): Use frame_pointer_rtx
4104 when handling an ADDRESSOF.
4106 * cse.c (canon_hash): Handle USE of BLKmode memory.
4107 (cse_insn): Outgoing arguments for a libcall don't
4108 affect any recorded expressions.
4110 2000-09-12 Tom Tromey <tromey@cygnus.com>
4112 * configure, config.in: Rebuilt.
4113 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4115 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4117 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4118 * expr.c (expand_expr): Don't optimize constant array references
4119 initialized with wide string constants.
4121 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4123 * loop.c (note_set_pseudo_multiple_uses): Correct.
4125 2000-09-12 Jim Wilson <wilson@cygnus.com>
4127 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4128 else block, and X has side-effects, then fail.
4130 2000-09-12 Greg McGary <greg@mcgary.org>
4132 * config/mips/mips-protos.h
4133 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4134 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4135 (PREDICATE_CODES): Add "trap_cmp_op".
4136 * config/mips/mips.c
4137 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4138 * config/mips/mips.md (trap, conditional_trap): New patterns.
4140 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4142 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4145 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4147 * builtins.c (built_in_decls): New array.
4148 (expand_builtin_fputs): New function.
4149 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4151 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4153 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4155 * tree.h (built_in_decls): New array.
4157 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4159 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4161 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4163 2000-09-12 Kazu Hirata <kazu@hxi.com>
4165 * haifa-sched.c: Fix formatting.
4167 * genattrtab.c: Fix formatting.
4169 * unroll.c: Fix formatting.
4171 2000-09-12 Bruce Korb <bkorb@gnu.org>
4173 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4174 remove obsolete code
4175 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4176 * fixinc/fixincl.tpl: make non-exported arrays static scope
4177 * fixinc/fixincl.x: regenerate
4178 * fixinc/fixlib.h: Use PARAMS, not _P_
4179 * fixinc/fixtests.c: make a type for the test proc & use it
4180 * fixinc/server.h: Use PARAMS, not _P_
4182 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * c-typeck.c (process_init_element): Avoid union init warnings on
4185 floating point zero. Don't crash on unions containing structs.
4187 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4189 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4190 general_movsrc_operand, and remove CONST_INT from
4191 general_movdst_operand.
4193 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4195 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4196 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4197 regs with a higher cost.
4198 (preferrable): Deal with cases where either cost or regcost is
4200 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4202 (COSTS_N_INSNS): Move definition...
4204 (MAX_COST): New macro.
4205 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4208 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4210 * c-common.h (genrtl_clear_out_block): Remove.
4211 * c-semantics.c (genrtl_clear_out_block): Remove.
4212 (genrtl_while_stmt): Don't call it.
4213 (genrtl_for_stmt): Likewise.
4215 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4217 * cppfiles.c: Move all default-#defines to top of file.
4218 (open_include_file): Replace by lookup_include_file.
4219 (read_with_read, read_file): Merged into read_include_file.
4220 (stack_include_file, purge_cache): New functions.
4221 (close_cached_fd): Delete.
4222 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4223 Cache the in-memory buffer, not the file descriptor.
4225 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4227 (xcnew): New utility macro.
4228 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4229 * cpplib.h (struct cpp_buffer): Remove mapped field.
4231 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4233 * cpplex.c (parse_string): Accept backslash space newline as a
4235 (lex_line): Likewise.
4236 (_cpp_get_token): Remove hard limit on macro nesting.
4238 2000-09-12 Philipp Thomas <pthomas@suse.de>
4240 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4241 * configure: Rebuilt.
4243 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4245 * flow.c (split_block): Fix update of registers live at
4248 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4250 * i386.md (add?i_3, add?i_5): New.
4251 (add?i_4): Rename from add?i_3; Fix compare pattern.
4252 (sub?i_3, xor?i_3, ior?i_3): New.
4254 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4255 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4256 instead of extract_insn and extract_constrain_insn_cache instead of
4257 extract_insn and constrain_operands.
4258 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4260 (extract_insn): Clear which_alternative.
4261 (constrain_operands): Set which_alternative to -1 when failed.
4262 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4265 2000-09-11 Matthew Hiller <hiller@redhat.com>
4267 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4268 on operand 0 to '+'.
4269 (movstricthi): Likewise.
4271 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4273 * loop.h (LOOP_IVS): New macro.
4274 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4275 (struct loop_ivs): New.
4276 (struct loop_info): Add ivs field.
4277 (reg_iv_type, reg_iv_info): Delete prototype.
4278 (reg_biv_class, loop_iv_list): Likewise.
4279 * loop.c (record_biv, find_life_end): Pass loop argument.
4280 (reg_iv_type): Remove global array and use
4281 field in loop_regs structure within loop_ivs structure.
4282 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4283 (first_increment_giv, last_increment_giv): Use entry in
4285 (record_initial): Pass ivs pointer.
4286 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4288 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4290 * loop.h (LOOP_REGS): New macro.
4291 (struct loop_regs): New.
4292 (struct loop_info): Add regs field.
4293 * loop.c (set_in_loop): Remove global array and store
4294 in loop_regs structure as part of loop_info structure.
4295 (n_times_set, may_not_optimize): Likewise.
4296 (reg_single_usage, moved_once): Likewise.
4297 (count_one_set): Add regs argument.
4298 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4299 (set_pseudo_multiple_uses): Pass regs pointer.
4301 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4303 * unroll.c (iteration_info): Subsume into loop_iterations.
4304 * loop.h (loop_info): New field iv.
4306 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4308 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4309 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4310 (flow_loops_update): New prototype.
4311 (flow_loops_find): Add flags to prototype.
4312 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4313 * flow.c (flow_loop_pre_header_scan): New.
4314 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4315 (flow_loop_free): Free pre-header root and trace and exit dominators.
4316 (flow_loops_find): New argument flags.
4317 (flow_loops_update): New function.
4318 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4320 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4322 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4323 * flow.c (split_block, update_bb_for_insn): New functions.
4325 2000-09-11 Richard Henderson <rth@cygnus.com>
4327 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4329 2000-09-11 Richard Henderson <rth@cygnus.com>
4331 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4332 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4333 (ia64_override_options): Prevent optimizing division for both
4334 latency and throughput.
4335 (rtx_needs_barrier): Handle frcpa.
4336 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4337 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4338 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4339 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4340 -minline-divide-max-throughput.
4341 (PREDICATE_CODES): Update.
4342 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4343 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4344 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4345 (extendsftf2): Likewise.
4346 (extenddftf2): Likewise.
4347 (fix_trunctfdi2_alts): New.
4348 (fixuns_trunctfdi2_alts): New.
4349 (madd*4): Rename from madd*3.
4350 (divsi3, modsi3, udivsi3, umodsi3): New.
4351 (divsi3_internal): New.
4352 (divdi3, moddi3, udivdi3, umoddi3): New.
4353 (divdi3_internal_lat, divdi3_internal_thr): New.
4354 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4355 (recip_approx): New.
4357 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4359 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4360 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4362 * integrate.c (copy_rtx_and_substitute): Don't share
4363 LEAF_REG_REMAPpable registers with the inlined function. Don't
4364 share the function value with calling sequences.
4366 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4368 * c-decl.c (do_case): Fix a typo.
4370 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4371 to a if the comparison is floating mode and not -ffast-math.
4372 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4374 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4376 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4377 gen_ic_invalidate_line.
4379 2000-09-11 Philip Blundell <pb@futuretv.com>
4381 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4383 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4385 * install.texi (LANGUAGES): Update to include new languages.
4388 2000-09-11 DJ Delorie <dj@redhat.com>
4390 * gcc.c (main): Don't warn about unused -B prefixes
4391 (unused_prefix_warnings): remove
4393 2000-09-11 Kazu Hirata <kazu@hxi.com>
4395 * final.c: Fix formatting.
4397 * integrate.c: Fix formatting.
4399 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4401 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4403 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4405 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4407 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4409 * gcc.1: Document 68hc11 specific options.
4411 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4413 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4414 (TARGET_LONG_DOUBLE_128): Define.
4415 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4416 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4417 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4418 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4419 of __LONG_DOUBLE_128__.
4420 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4422 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4423 (CPP_SYSV_DEFAULT_SPEC): Define.
4424 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4425 (INIT_TARGET_OPTABS): Define.
4427 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4428 (RS6000_UITRUNC): Likewise.
4429 (INIT_TARGET_OPTABS): New macro.
4430 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4431 (trunc_defined): Delete.
4432 (output_prolog): Don't output .extern definitions for fp->int
4433 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4434 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4435 (trunc_defined): Delete.
4436 (RS6000_ITRUNC): Moved to aix.h.
4437 (RS6000_UITRUNC): Likewise.
4438 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4439 only emit a libcall.
4440 (fixuns_truncdfsi2): Delete.
4441 (trunc_call): Delete.
4442 (trunc_call_rtl): Delete.
4444 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4446 * varasm.c (make_decl_rtl): Restore leading star on
4447 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4449 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4451 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4452 won't give a spurious error for '#pragma pack()'. Simplify
4453 control flow for readability. 'reset' action is not necessary.
4455 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4457 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4458 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4459 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4460 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4462 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4463 profile.c, sdbout.c, tradcif.y, tree.c:
4464 Include defaults.h if not already included.
4465 Don't define the above macros.
4467 * Makefile.in: Update dependencies.
4469 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4471 * c-common.h (add_stmt): Change prototype.
4472 (RECHAIN_STMTS): New macro.
4473 (CASE_LABEL_DECL): Likewise.
4474 (genrtl_case_label): Change prototype.
4475 (c_expand_start_case): Remove prototype.
4476 (build_case_label): Change prototype.
4477 (decl_constant_value): Declare.
4478 * c-common.c (check_case_value): Handle C++'s extensions to C
4480 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4482 * c-parse.in (stmt): Adjust handling of return statements and case
4484 * c-semantics.c (add_stmt): Return the new statement.
4485 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4486 returned expression. Directly generate RTL, rather than calling
4488 (genrtl_switch_stmt): Don't call c_expand_start_case.
4489 (build_case_label): Take the LABEL_DECL as input, too.
4490 (genrtl_case_label): Just call add_case_node.
4491 (expand_stmt): Adjust calls to genrtl_return_stmt and
4493 * c-tree.h (c_expand_start_case): Declare.
4494 * c-typeck.c (decl_constant_value): Give it external linkage.
4495 (c_expand_return): Don't call expand_return or expand_null_return;
4496 use genrtl_return_stmt instead.
4497 * stmt.c (struct nesting): Remove num_ranges field.
4498 (add_case_node): Give it external linkage.
4499 (expand_start_case): Don't set num_ranges.
4500 (expand_start_case_dummy): Don't clear it.
4501 (pushcase): Rely on add_case_node to handle `default' labels.
4502 (add_case_node): Handle `default' labels.
4503 * tree.c (tree_int_cst_compare): New function.
4504 * tree.h (tree_int_cst_compare): Declare.
4505 (add_case_node): Likewise.
4507 2000-09-10 Richard Henderson <rth@cygnus.com>
4509 * c-parse.in: Revert last change.
4510 (init_reswords): Do not enter disabled keywords into the ridpointers
4511 table, modulo objc weirdness.
4512 (_yylex): Return the canonical spelling for a keyword.
4514 2000-09-10 Philip Blundell <philb@gnu.org>
4516 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4517 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4519 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4521 * alias.c (find_base_term): Handle ADDRESSOF.
4522 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4524 2000-09-10 Denis Chertykov <denisc@overta.ru>
4526 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4527 outputting templates with many lines.
4529 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4531 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4532 to decide whether 64-bit support must be generated.
4534 2000-09-10 Richard Henderson <rth@cygnus.com>
4536 * c-parse.in (asm patterns): Fix volatile check.
4538 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4540 * cppmacro.c (check_trad_stringification): New function.
4541 (save_expansion): If -Wtraditional, warn about stringification of
4544 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4546 * loop.h (struct loop_mem_info): Move from loop.c
4547 (struct loop_info): Add fields store_mems, mems, mems_idx,
4548 mems_allocated, unknown_address_altered,
4549 unknown_constant_address_altered, num_mem_sets, and
4550 first_loop_store_insn.
4552 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4553 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4554 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4555 (num_mem_sets): Likewise.
4556 (replace_loop_mems, replace_loop_regs): New.
4557 (struct loop_replace_args): New.
4558 (load_mems): Use replace_loop_mems.
4559 (try_copy_prop): Use replace_loop_regs.
4560 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4562 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4564 * configure.in: Recognize m6811-elf and m6812-elf.
4565 * configure: Regenerate.
4567 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4569 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4572 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4574 * loop.c (struct movables): New.
4575 (num_movables): Move into struct movables.
4576 (the_movables): Change type to struct movables.
4577 (ignore_some_movables): Change struct movable arg to struct movables.
4578 (force_movables, combine_movables, regs_match_p): Likewise.
4579 (rtx_equal_for_loop_p, move_movables): Likewise.
4580 (scan_loop): Change movables to be of type struct movables.
4581 Replace last_movable with field in movables structure.
4583 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4585 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4586 (init_pragma): Avoid warning if pfile happens to be unused.
4587 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4588 define init_pragma to nothing. Always prototype
4589 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4591 * c-lex.c (process_directive): Always call dispatch_pragma.
4592 Initialize entering_c_header to 0.
4594 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4596 * config/m68hc11/m68hc11.md: New file, machine description for
4598 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4599 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4600 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4601 * config/m68hc11/m68hc11-protos.h: New file.
4602 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4603 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4604 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4605 * config/m68hc11/larith.asm: New file, libgcc routines.
4607 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4609 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4610 (FPBIT_FUNCS): Add _usi_to_sf.
4611 * config/fp-bit.c (usi_to_float): New function.
4612 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4613 (usi_to_float): Add appropriate #define.
4615 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4617 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4619 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4620 * i386.md (attr "type"): Add sse and mmx types.
4621 (attr "memory"): Handle them without a crash.
4622 (movsi_1, movdi_2): Allow MMX regs.
4623 (movdi splits): Don't split moves involving MMX regs.
4624 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4625 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4626 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4627 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4628 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4629 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4630 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4631 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4632 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4633 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4634 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4635 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4636 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4637 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4638 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4639 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4640 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4641 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4642 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4643 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4644 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4645 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4646 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4647 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4648 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4649 mmx_clrdi): New patterns.
4651 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4653 * arm.c: Don't include tm.h directly.
4655 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4657 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4658 testing; simplify subregs of constants and nested subregs.
4660 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4662 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4664 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4666 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4668 * rtl.texi (description of USE): Add note about possible pitfalls
4670 From Richard Henderson:
4671 * reload1.c (choose_reload_regs): Compute need_mode properly.
4673 2000-09-07 Richard Henderson <rth@cygnus.com>
4675 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4676 (__modsi3, __umodsi3): Likewise.
4677 (__udivsi3): Likewise. Normalize the TFmode values.
4679 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4681 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4683 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4686 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4688 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4689 (cmpeqdi_t): Add output pattern.
4690 (cmpeqdi_t+1): Don't split when not optimizing.
4691 Restore proper splitting operation.
4693 2000-09-07 Richard Henderson <rth@cygnus.com>
4695 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4696 do not call dispatch_pragma.
4698 2000-09-07 Jim Wilson <wilson@cygnus.com>
4700 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4701 to CLASS_CANNOT_CHANGE_MODE.
4702 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4703 mode classes are different.
4705 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4707 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4708 left out of commit which removed cppulp.c.
4710 2000-09-07 Richard Henderson <rth@cygnus.com>
4712 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4713 after switch for CASE_DROPS_THROUGH.
4715 2000-09-07 Richard Henderson <rth@cygnus.com>
4717 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4718 Properly extend the biv initial value for the giv.
4719 (record_biv): Zero ext_dependant.
4720 (record_giv): New argument ext_val. Update all callers.
4721 (general_induction_var): Likewise.
4722 (consec_sets_giv): Likewise.
4723 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4724 a sign-extend, zero-extend, or truncate.
4725 (combine_givs_p): Make sure modes are compatible.
4726 (check_ext_dependant_givs): New.
4727 (extend_value_for_giv): New.
4728 * loop.h (struct induction): Add ext_dependant.
4729 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4730 (find_splittable_givs): Likewise.
4731 (final_giv_value): Likewise.
4733 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4735 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4736 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4737 definitions from cpplib.h.
4738 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4740 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4741 documentation for REGISTER_TARGET_PRAGMAS.
4743 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4744 default-pragma callback to implement -Wunknown-pragmas if
4746 * c-parse.in: Move all includes to top of file.
4747 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4749 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4751 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4753 * arm.h, arm-protos.h, arm.c,
4754 c4x.h, c4x-protos.h, c4x.c,
4755 h8300.h, h8300-protos.h, h8300.c,
4756 i370.h, i370-protos.h, i370.c,
4757 i960.h, i960-protos.h, i960.c,
4758 sh.h, sh-protos.h, sh.c,
4759 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4760 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4762 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4763 multiple include guard.
4764 * i370.md (untyped_call): Use GEN_CALL.
4765 (umodsi3): Remove unused variable.
4766 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4767 * v850.c (output_move_single, output_move_double): Constify
4769 (print_operand): Constify a char *.
4770 * v850.h (struct small_memory_info): Constify name member.
4772 2000-09-07 Kazu Hirata <kazu@hxi.com>
4774 * config/h8300.h: Fix comment typos.
4775 * config/h8300/h8300.md: Likewise.
4776 * config/h8300/lib1funcs.asm: Likewise.
4778 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4780 * Makefile.in: Remove references to cppulp.{c,o}.
4781 * cppinit.c (initialize_builtins, cpp_start_read,
4782 cpp_handle_option): Update to use cpp_options structure.
4785 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4787 * c-common.c (time_char_table): Allow %#b and %#h.
4789 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4791 * reorg.c (find_end_label): If the basic block reorder pass moves the
4792 return insn to some other place try to locate it again and put our
4793 end_of_function_label there.
4794 * reorg.c (relax_delay_slots): Check if find_end_label created a
4795 new label that invalidates the current optimazation.
4797 2000-09-07 Catherine Moore <clm@redhat.com>
4799 * unroll.c (unroll_loop): Check for unconditional jumps
4800 to loop continuation. Delete if n_iterations is 1.
4801 (ujump_to_loop_cont): New routine.
4803 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4805 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4807 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4808 to handle multiword modes correctly. All callers and the declaration
4811 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4813 * c-common.h (prep_stmt): Declare.
4814 (lang_expand_stmt): Likewise.
4815 * c-decl.c (lang_expand_stmt): Remove.
4816 * c-semantics.c (lang_expand_stmt): Define.
4817 (prep_stmt): New function.
4818 (expand_stmt): Handle common statement types here.
4820 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4822 * configure.in (sh-*-linux*): Added.
4823 * configure: Rebuilt.
4824 * config/sh/t-linux: New file.
4825 * config/sh/sh.h (USERMODE_BIT): Define.
4826 (TARGET_USERMODE): Likewise.
4827 (TARGET_SWITCHES): New switches for the bits above.
4828 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4829 * config/sh/linux.h: New file.
4830 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4831 underscore on linux.
4832 (L_sdivsi3, L_udivsi3): Define for linux.
4833 (L_ic_invalidate): Define.
4834 * invoke.texi (SH Options): Document -musermode.
4836 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4838 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4839 CSE unless generating PIC.
4841 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4844 2000-09-06 H.J. Lu (hjl@gnu.org)
4846 * Makefile.in (clean_s1): Depend on stage_b.
4847 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4848 stage2. They are used for "make compare".
4850 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4852 Move statement-tree facilities from C++ to C front-end.
4853 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4854 (void_zero_node): New macro.
4855 (struct stmt_tree_s): New type.
4856 (stmt_tree): New typedef.
4857 (struct language_function): New type.
4858 (last_tree): New macro.
4859 (last_expr_type): Likewise.
4860 (walk_tree_fn): New typedef.
4861 (current_stmt_tree): New function.
4862 (begin_stmt_tree): Likewise.
4863 (add_stmt): Likewise.
4864 (finish_stmt_tree): Likewise.
4865 (statement_code_p): Likewise.
4866 (lang_statement_code_p): New variable.
4867 (walk_stmt_tree): New function.
4868 (STMT_IS_FULL_EXPR_P): New macro.
4869 * c-common.c (lang_statement_code_p): New variable.
4870 (c_common_nodes_and_builtins): Initialize void_zero_node.
4871 (statement_code_p): New function.
4872 (walk_stmt_tree): Likewise.
4873 * c-decl.c (language_function): Rename to ...
4874 (c_language_function): ... this. Include language_function.
4875 (push_c_function_context): Adjust accordingly.
4876 (pop_c_function_context): Likewise.
4877 (mark_c_function_context): Likewise.
4878 (current_stmt_tree): Define.
4879 * c-semantics.c (begin_stmt_tree): New function.
4880 (add_stmt): Likewise.
4881 (prune_unused_decls): Likewise.
4882 (finish_stmt_tree): Likewise.
4884 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4886 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4888 2000-09-06 Kazu Hirata <kazu@hxi.com>
4890 * calls.c: Fix formatting.
4892 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4894 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4896 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4898 Integrated preprocessor.
4900 * Makefile.in: Remove all references to c-parse.gperf,
4901 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4902 generating c-parse.c. Update dependencies.
4903 * c-parse.gperf, c-gperf.h: Delete.
4905 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4906 yy_lim, or yy_get_token. Don't define get_directive_line if
4908 * c-common.h: Add multiple include guard. Define RID values
4909 for every keyword in C, C++, and Objective C. Put all the
4911 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4912 * c-decl.c (c_decode_option): Handle -lang-objc here.
4913 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4914 (grokdeclarator): Adjust for new RID scheme.
4915 (extract_interface_info): New stub.
4916 * c-lang.c: Don't declare yy_cur or parse_options.
4917 (lang_init_options): Call cpp_init. Don't call
4919 (lang_init): Don't call check_newline if USE_CPPLIB.
4921 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4922 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4923 rendered unnecessary by new architecture. Move routines not
4924 shared with C++ to c-parse.in. Maintain a local idea of the
4925 line number. Handle C++ as well as C.
4926 [USE_CPPLIB]: Declare and register callbacks for #ident and
4927 for entering/leaving files.
4928 (init_c_lex, c_lex): Are now the entry points to this file.
4929 (check_newline): Break out directive handling to
4931 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4933 (readescape, parse_float): Overhaul.
4934 (lex_number, lex_string, lex_charconst): Break out of c_lex
4936 (get_fileinfo, update_header_times, dump_one_header,
4937 dump_time_statistics): New and/or moved here from C++.
4938 Support per-file data needed by C++ and per-header timing
4939 statistics (C++ only, at the moment).
4940 * c-lex.h: Update prototypes. Add multiple include guard.
4941 * c-tree.h (struct lang_identifier): Add rid_code field.
4942 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4944 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4945 reinit_parse_for_function and/or position_after_white_space.
4946 (save_filename, save_lineno): Look ahead before saving.
4947 (label -> identifier ':'): Save file and line before shifting ':'.
4948 (reservedwords): No need to call get_identifier.
4949 (init_parse, finish_parse, yyerror, yylex, yyprint,
4950 make_pointer_declarator): Are now here for C/ObjC.
4951 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4953 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4954 #pragma registry. Provide dummy implementation of that
4955 interface if !USE_CPPLIB.
4956 * c-pragma.h: Update to match.
4958 * flags.h: Add multiple include guard.
4959 (flag_detailed_statistics): Moved here from C++.
4960 * toplev.c: Define flag_detailed_statistics.
4962 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4964 * timevar.def (TV_CPP, TV_LEX): New.
4965 * timevar.h: Add multiple include guard.
4967 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4969 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4970 Initialize cpplib properly. Force lineno to 0 after first
4971 call to check_newline. Don't handle -lang-objc here.
4972 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4974 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4976 * rs6000.md: Correct function unit definitions for cr_logical and
4978 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4979 and use portable method for >=0 and floating point >=. Remove
4980 associated matchers.
4982 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4984 * extend.texi: Mark named return value extension as deprecated.
4986 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4988 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4991 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4993 * toplev.c (display_help): Fix thinko in documentation.
4995 * diagnostic.h (output_buffer::indent_skip): New fields.
4996 (output_indentation): New macro.
4998 * diagnostic.c (output_indent): New function.
4999 (output_set_prefix, clear_diagnostic_info): Use.
5000 (output_emit_prefix): Predict future indentation.
5002 2000-09-06 DJ Delorie <dj@redhat.com>
5004 * Makefile.in (stage_*): add more dependencies to ensure parallel
5005 builds build correctly
5007 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5009 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5010 not bootstrap-lean_f.
5012 2000-09-06 Andreas Schwab <schwab@suse.de>
5014 * mklibgcc.in: Emit rule for libgcc-stage-start.
5015 * Makefile.in (stage1-start, stage2-start, stage3-start,
5016 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5018 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5020 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5021 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5022 (combine_regs): Likewise.
5024 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5025 * cse.c: Include "basic-block.h".
5026 (struct table_elt): New field REGCOST.
5027 (CHEAP_REG): Delete macro.
5028 (COST): Return 0 for REGs.
5029 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5030 (notreg_cost): Return 0 for appropriate SUBREGs.
5031 (COSTS_N_INSNS): Return N * 2.
5032 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5034 (CHEAPER): Use new function preferrable.
5035 (insert): Initialize REGCOST member.
5036 (find_best_addr): Use approx_reg_cost for estimation of register
5038 (cse_insn): Likewise.
5039 * loop.c (iv_add_mult_cost): New function.
5040 (add_cost, shift_cost, mult_cost): Delete variables.
5041 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5042 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5043 Make code that detects autoinc opportunities slightly less optimistic.
5044 (simplify_giv_expr): If expression contains other reg that is also a
5045 giv, only increment benefit if this is the only use of that reg.
5046 (consec_sets_giv): Take that change into account.
5047 (combine_givs): Slightly more verbose output.
5049 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5050 not the cost of an equivalent shift.
5051 * sh-protos.h (addsubcosts): Declare.
5052 * sh.c (addsubcosts): New function.
5053 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5054 (RTX_COSTS): Tweak. Use addsubcosts.
5055 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5057 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5059 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5060 (branch_comparison_operator): Call validate_condition_mode to
5061 abort rather than returning 0.
5062 (branch_positive_comparison_operator): New function.
5063 (scc_comparison_operator): Call validate_condition_mode to abort
5064 rather than returning 0.
5065 (ccr_bit): Call validate_condition_mode. Update for
5067 (print_operand): Delete %C modifier. Update %E case
5068 to use EQ bit not SO bit.
5069 (rs6000_reverse_condition): New function.
5070 (rs6000_generate_compare): New function.
5071 (rs6000_emit_sCOND): New function.
5072 (rs6000_emit_cbranch): New function.
5073 (output_cbranch): The length of a long branch insn is
5074 now only 8 bytes. Add validate_condition_mode. Use
5075 rs6000_reverse_condition. Remove cror generation.
5077 * config/rs6000/rs6000.h: Update comments.
5078 (PREDICATE_CODES): Add new predicate. Update codes used
5079 by branch_comparison_operator and scc_comparison_operator.
5080 * config/rs6000/rs6000-protos.h: Add prototypes for
5081 new external functions.
5082 * config/rs6000/rs6000.md: Add new scheduling parameters
5083 for cr_logical instructions. Change length of branch
5085 (bCOND patterns): Call rs6000_emit_cbranch.
5086 (sCOND patterns): Call rs6000_emit_sCOND.
5087 (branch patterns): Change lengths to 4.
5088 (cr logical patterns): New.
5090 2000-09-06 Richard Henderson <rth@cygnus.com>
5092 * config/i386/i386.md (call_pop): Fix test for setting
5093 current_function_uses_pic_offset_table.
5094 (call, call_value_pop, call_value): Likewise.
5096 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5098 * timevar.c (timevar_add): Delete.
5099 (timevar_get): Also count time since the selected timer was
5100 last updated. Do not examine the timevar stack if the
5101 selected timer is standalone.
5103 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5105 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5107 2000-09-05 Jason Merrill <jason@redhat.com>
5109 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5110 for 'extern' arrays.
5112 2000-09-05 Richard Henderson <rth@cygnus.com>
5114 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5115 Eliminate final copy from non-trapping case.
5116 (__divdf3, __divsf3): Likewise.
5118 2000-09-05 Richard Henderson <rth@cygnus.com>
5120 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5121 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5123 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5125 * Makefile.in: Restructure bootstrap stages to allow clean
5126 restart after failure.
5128 2000-09-05 Richard Henderson <rth@cygnus.com>
5130 * config/ia64.md (movsi and movdi patterns): Allow moves from
5131 8-bit constants to AR registers.
5133 2000-09-05 Richard Henderson <rth@cygnus.com>
5135 * config/ia64/ia64.md (mulhi3): New.
5137 2000-09-05 Richard Henderson <rth@cygnus.com>
5139 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5140 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5141 Optimization Guide, minimum latency alternative.
5142 (__moddi3, __udivdi3, __umoddi3): Likewise.
5143 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5145 2000-09-05 Bruce Korb <bkorb@gnu.org>
5147 * fixinc/fixincl.c (load_file): always read header files
5148 with sizes that are a multiple of the page size.
5149 & use libiberty's getpagesize for determining that.
5151 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5153 * gcse.c (hash_string_1): Add prototype.
5154 * cse.c (canon_hash_string): Likewise.
5156 2000-09-04 Craig Newell <CraigN@ieee.org>
5158 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5160 2000-09-04 Andreas Schwab <schwab@suse.de>
5162 * Makefile.in (STAGESTUFF): Remove libgcc.
5163 (stage1-start, stage2-start, stage3-start): Copy the contents of
5164 the libgcc directory explicitly.
5165 (mostlyclean): Clean libgcc.
5167 2000-09-04 Andrew Haley <aph@redhat.com>
5169 * dwarf2out.c: (stack_adjust_offset): New prototype.
5171 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5173 * combine.c (make_extraction): Fix rtx_cost comparison to
5176 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5178 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5179 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5180 Add '*' to insn pattern name.
5182 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5184 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5185 use posn - 1 to index into tokens array.
5186 (maybe_paste_with_next): Adjust caller.
5188 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5190 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5192 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5193 (REGNO_REG_CLASS): Use symbolic register
5196 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5198 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5199 recognized, don't try to conditionally execute it.
5201 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5203 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5204 (call_value_insn): Right length claculation.
5205 (call_insn): Likewise.
5207 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5209 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5210 gas_output_limited_string, gas_output_ascii, output_movqi,
5211 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5212 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5213 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5214 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5215 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5216 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5217 Add "const" as needed to remove warnings.
5219 * config/avr/avr.c (avr_override_options, avr_init_once,
5220 function_prologue, function_epilogue, frame_pointer_required_p,
5221 class_likely_spilled_p, order_regs_for_local_alloc,
5222 avr_address_cost, avr_ret_register): Use K&R style arguments.
5223 (initial_elimination_offset, gas_output_limited_string):
5224 Remove ATTRIBUTE_UNUSED from the used arguments.
5225 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5226 Use local variables src, dest, base to access operands[].
5227 Rename reg_dest to reg_src if that's what it is.
5228 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5229 constants to LD_REGS if reg_was_0.
5230 (output_reload_insisf): Change arg 3 to insn length and set it.
5231 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5232 access to 16-bit I/O register pairs.
5233 (avr_address_cost): Lower cost for the above case.
5234 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5235 may be clobbered, also for LD_REGS.
5236 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5239 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5241 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5242 macro to test_hard_reg_class function.
5243 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5244 for loading immediate constants to LD_REGS.
5245 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5248 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5250 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5251 * config/avr/libgcc.S: Lost part of the previous patch.
5253 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5255 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5256 object before calling pthread_mutex_init.
5258 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5260 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5261 config/sh/crtn.asm: New files.
5262 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5263 (crt1.o, crti.o, crtn.o): New targets.
5264 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5266 * configure: Rebuilt.
5267 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5268 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5269 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5270 Undefine for config/elfos.h to redefine.
5271 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5273 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5275 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5276 legitimize_pic_address, output_pic_addr_const): Declare.
5277 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5278 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5279 (TARGET_SWITCHES): New switch -mprefergot.
5280 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5281 (PIC_OFFSET_TABLE_REGNUM): Define.
5282 (GOT_SYMBOL_TABLE): Likewise.
5283 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5284 (ENCODE_SECTION_INFO): Define.
5285 (FINALIZE_PIC): New macros.
5286 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5287 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5288 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5289 (prepare_move_operands): Call emit_pic_move or
5290 emit_pic_const_move if appropriate.
5291 (output_far_jump): For PIC, use braf and output long offset.
5292 (machine_dependent_reorg):
5293 (sh_expand_prologue): Save and initialize the PIC register.
5294 (sh_expand_epilogue): Restore it.
5295 (initial_elimination_offset): Account for it.
5296 (nonpic_symbol_mentioned_p): New function.
5297 (legitimize_pic_address): Likewise.
5298 (output_pic_addr_const): Likewise.
5299 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5300 (call, call_value): Use them.
5301 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5302 symPLT_label2reg): New expands.
5303 * invoke.texi (SH Options): Document -mprefergot.
5305 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5307 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5308 * gcse.c (hash_string_1): New function.
5309 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5310 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5311 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5312 (canon_hash_string): New function.
5313 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5314 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5315 (fold_rtx): Use ASM_OPERANDS accessor macros.
5316 * emit-rtl.c (copy_insn_1): Likewise.
5317 * integrate.c (copy_rtx_and_substitute): Likewise.
5318 * stmt.c (expand_asm_operands): Likewise. Give an
5319 ASM_OPERANDS rtx the mode of the output reg being set from it.
5321 2000-09-01 Fred Fish <fnf@be.com>
5323 * fix-header.c (write_rbrac): Add putc and getc to list of
5324 functions to protect against prior definition as a macro.
5326 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5328 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5329 (c_size_type_node): Define.
5330 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5331 * c-common.c (enum format_lengths, enum format_std_version,
5332 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5333 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5334 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5335 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5336 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5337 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5338 format_types): Define.
5339 (format_char_info, print_char_table, scan_char_table,
5340 time_char_table): Rearrange for new organization of information
5341 about format length modifiers and standard versions.
5342 (T_ST): Redefine to use c_size_type_node.
5343 (check_format_info): Obtain information about length modifiers and
5344 standard versions from tables. Adjust warning message wordings.
5345 Use the name from the user's program for `ll' and `hh' length
5346 modifiers in warning messages. Use more informative names for
5347 wanted types where available (for wchar_t, wint_t, size_t, signed
5348 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5350 2000-09-01 Jim Wilson <wilson@cygnus.com>
5352 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5353 * combine.c (distribute_notes): Handle REG_NORETURN.
5354 * rtl.c (reg_note_name): Add REG_NORETURN.
5355 * rtl.h (enum reg_note): Likewise.
5357 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5359 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5360 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5361 (emit_predicate_relation_info): Handle conditional calls with
5363 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5364 instead of ia64_file_start.
5365 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5366 * config/ia64/ia64.md (safe_across_calls_all,
5367 save_across_calls_normal): New patterns.
5369 * loop.c (check_final_value): Check for biv use before checking for
5370 giv use. Check for both biv and giv uses. Always set last_giv_use
5371 if there is a giv use.
5373 2000-09-01 Richard Henderson <rth@cygnus.com>
5375 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5376 (madddi3): Likewise.
5379 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5381 * expr.c (clear_storage): Don't use emit_move_insn unless
5382 either BLKmode or proper size.
5383 (store_constructor): Don't call clear_storage if REG of wrong size.
5385 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5386 of function if returns wiht stack pointer depressed.
5388 2000-09-01 Andrew Haley <aph@redhat.com>
5390 * dwarf2out.c (stack_adjust_offset): New function.
5391 (dwarf2out_stack_adjust): Break out stack adjust logic into
5392 new stack_adjust_offset function. Look inside parallels and
5393 sequences for stack adjustments.
5395 2000-08-31 Jeff Law <law@cygnus.com>
5397 * arm.md: Use no_new_pseudos to determine when it is safe
5398 to create new pseudo registers.
5400 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5401 when we can safely allocate new registers.
5403 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5405 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5406 so that CONCATs are not generated for ASMs.
5407 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5408 not generating_concat_p.
5409 * function.c (pop_function_context_from): Reset
5410 generating_concat_p.
5411 (prepare_function_start): Likewise.
5412 * rtl.c (generating_concat_p): Define.
5413 * rtl.h (generating_concat_p): Declare.
5414 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5416 2000-08-22 Philipp Thomas <pthomas@suse.de>
5417 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5419 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5422 2000-08-30 Greg McGary <greg@mcgary.org>
5424 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5425 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5426 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5428 2000-08-30 Greg McGary <greg@mcgary.org>
5430 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5431 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5432 (TREE_INT_CST): New macro.
5433 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5434 Use new macro TREE_INT_CST.
5436 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5438 * contrib.texi: Add self.
5440 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5442 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5443 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5446 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5448 * fixinc/gnu-regex.c: Don't define `const'.
5450 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5452 * expr.c (store_constructor): Allow variable bounds of array type.
5453 (expand_expr): Don't blow up if type is ERROR_MARK.
5454 * varasm.c (output_constructor): Don't access lower bound of array
5455 type unless need it if index is supplied (so it can be a variable
5456 if no index is supplied).
5457 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5458 Other minor cleanups.
5460 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5462 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5463 for compilations in stage 1 and subsequent stages, respectively.
5464 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5465 * configure: Rebuilt.
5466 * x-vax, x-vax-gcc: Deleted.
5468 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5470 * c-common.c (declare_function_name): Use func_id_node,
5471 function_id_node, and pretty_function_id_node. Do not make
5472 __func__ visible at file scope.
5473 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5474 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5475 (function_id_node, pretty_function_id_node, func_id_node): New
5477 * c-decl.c (init_decl_processing): Initialize function_id_node,
5478 pretty_function_id_node, and func_id_node.
5479 (c_make_fname_decl): Correct comment.
5481 * tree.h (struct tree_identifier): Constify pointer member.
5483 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5484 * c-pragma.h (struct weak_syms): Constify name and value members.
5485 (add_weak): Constify arguments.
5487 * calls.c (special_function_p): Constify a char *.
5488 (expand_call): Remove variable which is initialized and then
5490 * dependence.c (struct def_use, struct induction, struct subscript):
5491 Constify 'variable' member.
5492 (get_low_bound, have_induction_variable): Constify char * argument.
5493 (find_induction_variable): Add braces to avoid dangling else.
5494 (classify_dependence): Constify char * arrays.
5495 * profile.c (output_func_start_profiler): Constify a char *.
5496 * stor-layout.c (finalize_record_size): Constify a char *.
5497 * tree.c (is_attribute_p): Constify a char *.
5498 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5500 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5501 for comprehensibility. Do not call get_identifier if we did
5502 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5503 create temporary string constants, not ggc_alloc_string. No
5504 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5505 char * to hold IDENTIFIER_POINTERs.
5507 2000-08-29 Richard Henderson <rth@cygnus.com>
5509 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5512 2000-08-29 Richard Henderson <rth@cygnus.com>
5514 * reload.c (push_secondary_reload): Allow class == reload_class
5515 if we're using a reload_in/out pattern.
5517 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5518 the half that does not conflict with the reload register.
5519 (reload_outti): Likewise.
5521 2000-08-29 Kazu Hirata <kazu@hxi.com>
5523 * reload.c: Fix formatting.
5525 * stmt.c: Fix formatting.
5527 * gcc.c: Fix formatting.
5529 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5531 * flags.h (time_report, mem_report): New global flags.
5532 * toplev.c: Define time_report and mem_report.
5533 (f_options): Add -ftime-report and -fmem-report.
5534 (compile_file): Turn on time_report if quiet_flag is off.
5535 Call ggc_print_statistics at very end if mem_report is on.
5536 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5538 * ggc-common.c (ggc_print_statistics): Rename to
5539 ggc_print_common_statistics; all callers changed. Scale
5540 quantities above 10K to kilobytes and above 10M to megabytes.
5541 * ggc-page.c (ggc_page_print_statistics): Rename to
5542 ggc_print_statistics. Report memory consumed by internal data
5543 structures for each allocation bucket. Scale quantities above
5544 10K to kilobytes and above 10M to megabytes.
5545 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5546 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5547 Define tally_leaves always.
5548 (ggc_print_statistics): New function.
5549 * ggc.h: Adjust for renamed functions.
5551 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5553 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5554 output_movsisf instead of which_alternative.
5556 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5558 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5560 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5561 (avr_progmem_p): New prototype.
5562 (output_movsisf): Prototype declaration changed.
5563 (output_movqi): New prototype.
5564 (output_movhi): New prototype.
5565 (call_insn_operand): Likewise.
5566 (final_prescan_insn): Likewise.
5567 (avr_simplify_comparision_p): Likewise.
5568 (avr_normalize_condition): Likewise.
5569 (compare_eq_p): Likewise.
5570 (out_shift_with_cnt): Likewise.
5571 (const_int_pow2_p): Likewise.
5572 (output_reload_inhi): Prototype declaration changed.
5574 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5575 (ldi_reg_rtx): New. rtx for r31.
5576 (avr_init_stack): Initialize as "__stack".
5577 (function_prologue): Use it.
5578 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5579 (avr_mcu_name): Initialize as "avr2".
5580 (avr_enhanced_p, avr_mega_p): New variables.
5581 (mcu_types, avr_override_options): Handle all known MCU types.
5582 Also handle avr1 (only preprocess, assemble and link).
5583 (print_operand): Using of `%K' in output template removed.
5584 (out_movqi_r_mr): Optimized.
5585 (out_movhi_r_mr): Likewise.
5586 (output_movqi): New function.
5587 (output_movhi): Likewise.
5588 (out_movsi_r_mr): Optimized.
5589 (output_movsisf): Compute insn length for `adjust_insn_length'
5590 (out_movqi_mr_r): Optimized.
5591 (out_movhi_mr_r): Optimized.
5592 (adjust_insn_length): Use output_movsisf, output_movqi,
5593 output_movhi for insn length adjusting.
5594 (reg_unused_after): Use dead_or_set_p.
5595 (preferred_reload_class): Now havn't any restriction.
5596 (reg_was_0): New function.
5597 (io_address_p): Likewise.
5598 (const_int_pow2_p): Likewise.
5599 (output_reload_inhi): Likewise.
5600 (output_reload_insisf): Likewise.
5602 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5603 (LIB_SPEC): Use -lc for all supported devices.
5604 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5605 (AVR_MEGA): Define as avr_mega_p.
5606 (AVR_ENHANCED): New, define as avr_enhanced_p.
5607 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5608 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5609 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5610 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5611 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5612 (ASM_SPEC): Pass -mmcu=... to the assembler.
5613 Change all -DAVR_* to -D__AVR_*__.
5614 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5615 Rename library functions to start with two underscores.
5616 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5618 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5619 (SUPPORTS_WEAK): Likewise.
5620 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5621 register for loading constants to r0-r14.
5623 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5625 (*mov_r_sp): Removed. Handled by output_movhi.
5626 (*mov_sp_r): Likewise.
5627 (*mov_sp_r_no_interrupts): Likewise
5628 (*mov_sp_r_tiny): Likewise.
5629 (*movqi): Use output_movqi.
5630 (*reload_inqi): New.
5631 (*movhi): Use output_movhi.
5632 (*reload_inhi): New.
5633 (*negsi2): Optimized.
5634 (*negsf2): Likewise.
5635 Added peepholes (define_peephole2) for loading constants to r0-r14
5636 and for using `cpse' command.
5638 * config/avr/libgcc.S: Rename library functions to start with two
5640 Add support for enhanced core.
5641 (_moqhi3): Fix typo, now _modqi3.
5642 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5643 (__prologue_saves__): Remove test for stack adjust by 0.
5644 (__tablejump__): New.
5646 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5647 Add multilib support.
5649 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5651 * loop.c (prescan_loop): Don't check unknown_address_altered
5652 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5653 to loop_store_mems as necessary.
5654 (loop_invariant_p): Don't check unknown_address_altered
5655 or unknown_constant_address_altered.
5657 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5659 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5661 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5663 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5664 print just the filename.
5665 * cpplex.c (_cpp_run_directive): Add additional argument, the
5666 name to give the synthetic buffer. This defaults to
5667 translated "<command line>".
5668 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5670 (_cpp_define_builtin): New function.
5671 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5672 * cpphash.h: Update prototypes.
5674 * tradcpp.c (main): Process -D and -U simultaneously, in the
5675 order they appeared on the command line.
5677 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5679 * c-decl.c (define_label): Call warning_with_file_and_line and
5680 error_with_file_and_line instead of plain warning or error.
5682 * c-parse.in (label): Use save_filename/save_lineno to ensure
5683 correct values for calls to define_label.
5685 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5687 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5689 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5691 * tree.h (get_file_function_name): Remove two duplicate
5694 2000-08-28 Kazu Hirata <kazu@hxi.com>
5696 * tree.c: Fix formatting.
5698 * xcoffout.c: Fix formatting.
5700 2000-08-28 Jason Merrill <jason@redhat.com>
5702 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5704 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5706 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5707 break_out_includes if it won't do anything.
5709 2000-08-28 Richard Henderson <rth@cygnus.com>
5711 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5712 (find_reloads): Likewise.
5713 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5714 (reload_inhi): Likewise.
5716 2000-08-28 Richard Henderson <rth@cygnus.com>
5718 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5719 (call_insn_operand): Don't expect a surrounding mem.
5720 (constant_call_address_operand): Likewise.
5721 * config/i386/i386.h (PREDICATE_CODES): Update.
5722 * config/i386/i386.md (call patterns): Move the match_operand
5723 for the call destination inside the mem.
5725 2000-08-28 Richard Henderson <rth@cygnus.com>
5727 * local-alloc.c (requires_inout): Don't use reserved range for
5728 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5729 * recog.c (asm_operand_ok): Likewise.
5730 (preprocess_constraints, constrain_operands): Likewise.
5731 * regclass.c (record_reg_classes): Likewise.
5732 * reload.c (find_reloads): Likewise.
5733 * reload1.c (maybe_fix_stack_asms): Likewise.
5734 (reload_cse_simplify_operands): Likewise.
5735 * stmt.c (expand_asm_operands): Likewise.
5737 * md.texi: Update constraints documentation.
5738 * tm.texi (EXTRA_CONSTRAINT): Update.
5740 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5742 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5743 (print_die): If we don't know the offset of the
5744 target die, try the symbol. Add a trailing newline.
5745 (reverse_all_dies): New fn.
5746 (dwarf2out_finish): Call it.
5747 (break_out_includes): Reorganize for clarity.
5748 (add_sibling_attributes): Don't call reverse_die_lists.
5749 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5751 * flags.h: Add flag_eliminate_dwarf2_dups.
5752 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5754 2000-08-28 Jason Merrill <jason@redhat.com>
5756 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5757 * dwarf2out.c: #include "md5.h".
5758 (DIE_LABEL_PREFIX): New macro.
5759 (dw_val_struct): Add 'external' flag to val_die_ref.
5760 (add_AT_die_ref, AT_ref): Adjust.
5761 (AT_ref_external, set_AT_ref_external): New fns.
5762 (build_abbrev_table): Call set_AT_ref_external.
5763 (value_format): Call AT_ref_external.
5764 (die_struct): Add die_symbol field.
5765 (new_die): Clear it.
5766 (dwarf_tag_name): Handle BINCL/EINCL.
5767 (dwarf2out_start_source_file): Add BINCL DIE.
5768 (dwarf2out_end_source_file): Add EINCL DIE.
5769 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5770 (loc_checksum, attr_checksum, die_checksum): New fns.
5771 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5772 (compute_section_prefix, assign_symbol_names): New fns.
5773 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5774 (output_die): Call output_die_symbol and AT_ref_external.
5775 (output_comdat_comp_unit): New fn, split out from...
5776 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5778 (output_pubnames, output_aranges): Abort if we see entries from
5780 * toplev.h: Declare file_name_nondirectory.
5781 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5782 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5783 (debug_start_source_file): Call dwarf2out_start_source_file
5784 regardless of debug verbosity.
5785 (debug_end_source_file): Similarly.
5786 * tree.h: Declare clean_symbol_name.
5787 * tree.c (clean_symbol_name): Split out from...
5788 (get_file_function_name_long): ...here.
5790 * dwarf2out.c (new_loc_descr): Use calloc.
5791 (splice_child_die): Remove the die from the right parent.
5792 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5794 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5796 * toplev.c (decode_g_option): Don't give warning for unknown -g
5797 option; return 0 instead.
5798 (main): If -g option is not recognized by front end or
5799 language-independent code, give warning.
5801 2000-08-28 Greg McGary <greg@mcgary.org>
5803 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5804 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5805 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5807 2000-08-27 Greg McGary <greg@mcgary.org>
5809 * cpplex.c (parse_string): Don't look for backslash
5810 before first char in `namebuf'.
5811 * loop.c (strength_reduce): Skip NOTEs.
5813 2000-08-27 Jason Merrill <jason@redhat.com>
5815 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5816 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5817 TREE_ASM_WRITTEN, either.
5818 (finish_decl): Adjust.
5820 2000-08-28 Philipp Thomas <pthomas@suse.de>
5822 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5823 they have been incorporated into the gettext CVS. Change the text to
5824 reflect the current status of NLS. Add instructions for accessing
5825 the gettext CVS and add the patch from Martin v. Loewis.
5827 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5829 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5830 by using gen_lowpart_common.
5831 (movdi_internal64+6): Likewise.
5833 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5835 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5838 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5839 numbers to the ranges used by GDB.
5841 2000-08-25 Richard Henderson <rth@cygnus.com>
5843 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5844 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5845 (ia64_expand_prologue): Likewise.
5846 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5847 argument for stdargs.
5849 2000-08-25 Jason Merrill <jason@redhat.com>
5851 * integrate.c (expand_inline_function): Pull out the original decl.
5853 2000-08-25 Jim Wilson <wilson@cygnus.com>
5855 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5857 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5859 2000-08-25 Greg McGary <greg@mcgary.org>
5861 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5862 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5864 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5866 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5868 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5870 * i386.c (ix86_find_base_term): New.
5871 * i386-protos.h (ix86_find_base_term): Prototype.
5872 * i386.h (FIND_BASE_TERM): Define.
5873 * alias.c (find_base_term): Use it.
5874 * tm.texi (FIND_BASE_TERM): Document it.
5876 * alias.c (true_dependence, write_dependence_p): Unchanging
5877 memory can't conflict with non-unchanging memory.
5879 * alias.c (memrefs_conflict_p): A BLKmode reference
5880 to a symbol (or CONST_INT address) always conflicts
5881 with a reference to another symbol.
5883 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5885 * c-common.c (time_char_table): Don't allow width and flags with
5888 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5890 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5891 way as LT and LTU when the second operand has 0 in low word.
5893 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5895 * basic-block.h (struct loop): Rename `exits' field to
5896 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5898 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5899 (flow_loop_entry_edges_find): Add.
5900 (flow_edge_list_print): Rename from flow_exits_print.
5901 (flow_loops_find): Call flow_loop_entry_edges_find.
5902 (flow_loop_dump): Dump entry_edges list.
5903 (flow_loops_free): Free entry_edges.
5905 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5907 * loop.c (loop_dump_aux, debug_loop): New functions.
5908 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5910 * flow.c (flow_loops_dump): Add callback parameter.
5911 (flow_loop_dump): Add callback parameter and call it. Move
5912 loop note debugging code to loop_dump_aux.
5914 * basic-block.h (flow_loop_dump): Add callback parameter
5915 (flow_loops_dump): Likewise.
5917 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5918 to call to flow_loops_dump.
5920 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5922 * loop.c (count_loop_regs_set): Replace start and end arguments
5923 with loop argument. All callers udated.
5925 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5927 * loop.c (constant_high_bytes): Delete.
5929 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5931 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5932 and NOTE_INSN_LOOP_VTOP to...
5933 (find_and_verify_loops) ...here.
5935 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5937 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5938 (fini_dummy, init_dummy): Use it.
5940 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5942 * cpplex.c (is_macro_disabled): Caller has already checked
5943 that we're not a preprocessed file.
5945 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5947 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5948 (c-iterate.o): Remove target.
5949 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5950 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5951 (finish_decl): Don't handle iterators.
5952 (grokdeclarator): Likewise.
5953 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5954 * gcc/c-gperf.h: Regenerated.
5955 * gcc/c-iterate.c: Removed.
5956 * gcc/c-lex.c (init_lex): Don't handle iterators.
5957 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5958 (compstmt_primary_start): Remove push_iterator_stack call.
5959 (stmt): Don't allow iterator statements. Replace iterator_expand
5960 with expand_expr_stmt.
5961 (all_iter_stmt): Remove.
5962 (all_iter_stmt_simple): Likewise.
5963 (all_iter_stmt_with_decl): Likewise.
5964 * gcc/c-tree.h (ITERATOR_P): Remove.
5965 (ITERATOR_BOUND_P): Likewise.
5966 (init_iterators): Remove declaration.
5967 (iterator_expand): Likewise.
5968 (iterator_for_loop_start): Likewise.
5969 (iterator_for_loop_end): Likewise.
5970 (iterator_for_loop_record): Likewise.
5971 (push_iterator_stack): Likewise.
5972 (pop_iterator_stack): Likewise.
5973 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5974 (readonly_warning): Likewise.
5975 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5977 2000-08-24 Jim Wilson <wilson@cygnus.com>
5979 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5980 Copy type in a TYPE_DECL, just like pushdecl does.
5982 2000-08-24 Richard Henderson <rth@cygnus.com>
5984 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5986 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5988 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5989 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5990 the extras on the free list.
5991 (release_pages): Clean up.
5992 (ggc_set_mark): Don't adjust G.allocated here...
5993 (sweep_pages): ... do it here.
5995 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5997 * cppfiles.c (read_include_file): Rearrange initializations.
5999 2000-08-24 Richard Henderson <rth@cygnus.com>
6001 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6003 * config/ia64/ia64-protos.h: Update.
6004 * config/ia64/ia64.c (gr_register_operand): New.
6005 (fr_register_operand, grfr_register_operand): New.
6006 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6007 (grfr_reg_or_8bit_operand): New.
6008 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6009 use gr_register_operand.
6010 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6011 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6012 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6013 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6014 (fr_reg_or_fp01_operand): Likewise.
6015 (not_postinc_memory_operand): New.
6016 (ia64_split_timode): Remove unused variables.
6017 (rtx_needs_barrier): Check arguments to cmpxchg.
6018 (builtin_description): Remove.
6019 (bdesc_2argsi, bdesc_2argdi): Remove.
6020 (ia64_init_builtins): Declare all builtins directly.
6021 (ia64_expand_fetch_and_op): Rewrite to be called from
6022 ia64_expand_builtin directly. Use expand_binop and co.
6023 (ia64_expand_op_and_fetch): Likewise.
6024 (ia64_expand_compare_and_swap): Likewise.
6025 (ia64_expand_binop_builtin): Remove.
6026 (ia64_expand_lock_test_and_set): New.
6027 (ia64_expand_lock_release): New.
6028 (ia64_expand_builtin): Use them.
6029 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6030 (EXTRA_CONSTRAINT): Use it.
6031 (PREDICATE_CODES): Update.
6032 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6033 (mf): Indicate that we set memory as well as use it.
6034 (fetchadd_acq_si): Show memory being modified as well.
6035 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6036 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6037 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6038 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6039 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6040 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6041 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6042 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6043 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6044 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6045 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6046 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6047 return type. Pretty print definitions.
6049 2000-08-24 Jim Wilson <wilson@cygnus.com>
6051 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6052 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6054 2000-08-24 Jason Merrill <jason@redhat.com>
6056 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6057 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6058 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6059 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6061 2000-08-24 Greg McGary <greg@mcgary.org>
6063 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6064 and extendtab within their proper array boundaries.
6065 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6066 for the entire array.
6068 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6069 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6070 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6071 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6072 * config/i386/dgux.c (output_options): Likewise.
6073 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6074 * config/m88k/m88k.c (output_options): Likewise.
6075 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6076 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6077 layout_mcore_frame, handle_structs_in_regs): Likewise.
6078 * config/mips/mips.c (output_block_move): Likewise.
6079 * config/rs6000/rs6000.c (rs6000_override_options,
6080 rs6000_file_start): Likewise.
6081 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6082 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6083 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6084 * builtins.c (expand_builtin_setjmp): Likewise.
6085 * expr.c (safe_from_p): Likewise.
6086 * flow.c (life_analysis): Likewise.
6087 * fold-const.c (size_int_type_wide): Likewise.
6088 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6089 * genattrtab.c (make_length_attrs): Likewise.
6090 * genopinit.c (gen_insn): Likewise.
6091 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6092 * global.c (global_alloc): Likewise.
6093 * local-alloc.c (find_free_reg): Likewise.
6094 * mips-tdump.c (print_symbol): Likewise.
6095 * mips-tfile.c (parse_def, parse_input): Likewise.
6096 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6097 * stmt.c (expand_nl_goto_receiver): Likewise.
6098 * stor-layout.c (set_sizetype): Likewise.
6099 * varasm.c (decode_reg_name): Likewise.
6100 * toplev.c (decode_f_option, decode_W_option,
6101 set_target_switch, print_switch_values): Likewise.
6102 (NUM_ELEM): Remove macro.
6103 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6105 2000-08-24 Greg McGary <greg@mcgary.org>
6107 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6108 (MAIN_NAME_P, main_identifier_node): New macros.
6109 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6110 * c-decl.c (start_decl, grokdeclarator, start_function,
6111 store_parm_decls, finish_function): Use MAIN_NAME_P.
6112 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6113 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6114 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6115 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6117 2000-08-24 Greg McGary <greg@mcgary.org>
6119 * cppfiles.c (actual_directory): Don't write beyond `dir'
6120 when it contains "".
6121 * real.c (asctoeg): Stay within bounds of etens[][].
6123 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6125 * dependence.c (dependence_string, direction_string,
6126 dump_one_node, dump_node_dependence): Hide unused identifiers.
6127 (get_low_bound, normalize_coefficients): Match definition to
6129 (get_one_coefficient): Initialize variables `value0_is_idx' and
6131 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6132 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6133 (direction_merge): Avoid automatic aggregate initialization.
6134 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6135 Initialize variables `dest_idx' and `src_idx'.
6136 (end_dependence_analysis): Avoid C89 style function definition.
6138 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6140 * c-common.c (time_char_table): Don't allow width with %F.
6141 (check_format_info): Don't allow "Z" length with scanf.
6143 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6145 * diagnostic.c (finish_diagnostic): Define.
6146 (output_do_printf): Use wrap_text instead of output_add_string.
6147 (default_print_error_function): Avoid embedded '\n'.
6149 * diagnostic.h (flush_diagnostic_buffer): Declare.
6151 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6153 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6155 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6157 * Makefile.in (GCC_PASSES): Add specs.
6159 2000-08-23 Jim Wilson <wilson@cygnus.com>
6161 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6162 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6163 EHANDLER nor UHANDLER bit is set.
6164 (__get_except_table): Likewise.
6166 2000-08-23 Nick Clifton <nickc@redhat.com>
6168 * config/arm/lib1funcs.asm: Replace upper case condition codes
6169 with lower case versions.
6171 * config/arm/arm.h (STRUCT_VALUE): Define.
6172 (STRUCT_VALUE_REGNUM): Delete.
6174 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6176 * cpphash.h (IN_I): New flag for directive table.
6177 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6179 (_cpp_check_directive): If -fpreprocessed, execute directives
6180 marked with IN_I. Issue no warnings in this case.
6181 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6183 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6185 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6187 (check_format_info): Support printf 'I' flag; warn about it with
6190 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6192 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6193 barrier can't be ignored by the alias analysis code.
6195 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6197 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6198 works inside fixincl.
6200 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6202 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6203 simplify_relational_operation() unless both operands are of
6205 * cse.c (fold_rtx): Likewise.
6207 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6209 * rtlanal.c (rtx_unstable_p): The pic register is stable
6210 (within one function) and the actual rtx should be used
6211 when checking the registers.
6212 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6214 * alias.c (true_dependence, write_dependence_p): Fix
6215 bug in previous patch.
6217 * i386.c (ix86_GOT_alias_set): New.
6218 (legitimize_pic_address): Use it.
6220 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6221 only stable if its address is stable.
6222 (rtx_varies_p): An unchanging MEM can't vary if
6223 its address doesn't vary.
6225 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6227 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6229 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6231 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6232 * x-vax-gcc: New file for bootstrapping with gcc.
6233 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6234 * configure.in: Use x-vax-gcc with gcc.
6235 * configure: Rebuilt.
6237 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6239 * toplev.c (rest_of_compilation): Rebuild label notes after
6240 post-reload splitting pass if new labels have been created.
6242 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6244 * diagnostic.h (output_buffer_state): New macro.
6245 * diagnostic.c (diagnostic_for_decl, sorry,
6246 default_print_error_function, output_do_verbatim,
6247 report_diagnostic, report_problematic_module): Use it.
6249 (output_format): Use wrap_text instead of maybe_wrap_text.
6251 2000-08-22 Nick Clifton <nickc@redhat.com>
6253 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6254 Common code for ARM divide and modulus functions.
6255 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6257 (FUNC_END): New macro: Common code at the end of the division and
6259 (THUMB_FUNCTION_START): New macro: Common code at the start of
6261 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6263 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6265 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6267 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6268 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6271 2000-08-22 Nick Clifton <nickc@redhat.com>
6273 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6274 restorative additions, test for bottom bits of IP being set,
6275 rather than relying upon the RORs not matching.
6278 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6280 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6281 text_section() as appropriate instead of emitting text csect
6283 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6284 (UNIQUE_SECTION): Define macro.
6285 (ASM_OUTPUT_SECTION_NAME): Define macro.
6286 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6287 on AIX if debugging and -fdata-sections always.
6289 2000-08-22 Steven King <sxking@uswest.net>
6291 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6293 (LDBL_MAX): Same here.
6295 2000-08-22 Richard Henderson <rth@cygnus.com>
6297 * flow.c (tidy_fallthru_edge): Update b->end properly.
6299 2000-08-22 Stan Cox <scox@redhat.com>
6301 * Makefile.in (OBJS): Add dependence.o.
6302 * dependence.c: New file.
6304 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6306 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6308 (check_sibcall_argument_overlap): Likewise.
6310 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6312 * invoke.texi (SH Options): Document -m4-nofpu,
6313 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6314 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6316 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6318 * c-common.c (check_format_info): Give the 'some locales' warning
6319 for strftime %Ey rather than the unconditional 'only last 2 digits
6322 2000-08-22 Richard Henderson <rth@cygnus.com>
6324 * alias.c (init_alias_analysis): Do not register
6325 struct_value_incoming_rtx or static_chain_rtx as pointing
6328 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6330 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6332 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6334 * diagnostic.h (report_problematic_module): Declare.
6335 * diagnostic.c (report_problematic_module): New function.
6336 (report_error_function): Tweak.
6338 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6340 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6341 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6343 2000-08-21 Richard Henderson <rth@cygnus.com>
6345 * flow.c (calculate_global_regs_live): Mark frame pointer live
6346 everywhere before reload.
6348 2000-08-21 Jim Wilson <wilson@cygnus.com>
6350 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6351 INTEL_EXTENDED_IEEE_FORMAT.
6352 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6353 clear last two bytes of output FP value.
6355 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6357 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6359 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6361 * unroll.c (loop_find_equiv_value): If ret is modified between
6362 insn and loop_start, ret might not be equivalent to reg.
6364 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6366 * c-common.c (init_dollar_format_checking,
6367 maybe_read_dollar_number, finish_dollar_format_checking): New
6369 (dollar_arguments_used, dollar_arguments_count,
6370 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6372 (check_format_info): Support $ formats for scanf and printf width
6373 and precision. Always increment format_chars to advance past the
6374 '*' of precision, not just when the format parameters are
6377 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6379 * mips.c (block_move_loop, expand_block_move,
6380 function_arg_partial_nregs, save_restore_insns, function_prologue,
6381 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6383 (function_arg_advance, function_arg): Match argument to format
6386 2000-08-21 Nix <nix@esperi.demon.co.uk>
6388 * gcc.c (do_spec_1): Implement %j spec flag.
6389 Remove dead comment.
6391 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6392 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6393 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6394 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6396 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6397 writable) instead of hardcoded value.
6399 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6401 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6404 * gcc.c (cc1_options): Do not process -o or run the assembler if
6406 * objc/lang-spec.h: Likewise.
6408 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6410 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6411 "external" fixes through `cat', to avoid truncating the input
6412 file by redirection.
6414 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6416 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6418 (lea_general_2, lea_general_3): Likewise.
6420 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6422 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6423 warnings to user code.
6425 * c-lex.c (readescape, yylex): Likewise.
6427 * c-typeck.c (store_init_value, process_init_element): Likewise
6428 (c_expand_start_case): Format.
6430 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6432 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6434 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6435 and linker_endian_spec to endian_spec.
6436 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6437 (LINK_SPEC): Remove %{EB} and %{EL}.
6438 (ASM_SPEC): Likewise. Use %(endian_spec).
6440 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6442 * c-tree.h (flag_hosted): Move declaration from here...
6443 * c-common.h (flag_hosted): ... to here.
6444 (flag_noniso_default_format_attributes): New declaration.
6445 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6446 (c_decode_option): Set it appropriately for options choosing
6447 language standard variant.
6448 * c-common.c (init_function_format_info): Only provide default
6449 format attributes if flag_hosted. Only provide the gettext
6450 formats if flag_noniso_default_format_attributes. Update
6452 (check_format_info): Disable treatment of %a as a scanf flag in
6455 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6457 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6459 (check_format_info): Set 'wide' for scanf format widths. Warn for
6460 a zero scanf width. Make the check for writing into a constant
6461 object at the first level of indirection; at later levels, warn if
6462 any type qualifiers are encountered.
6464 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6466 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6468 (push_reload): Use reload_inner_reg_of_subreg.
6469 (combine_reloads): Do not combine reloads if the input reload
6470 is a SUBREG in which the inner part will need reloading.
6472 * global.c (global_alloc): Avoid passing dumpfile argument to
6474 * toplev.c (rest_of_compilation): Likewise.
6475 * reload.h (reload): Remove dumpfile argument. Callers changed.
6476 (debug_reload, debug_reload_to_stream): Move prototypes here.
6477 * rtl.h (reload): Remove dumpfile argument.
6478 * reload.c (debug_reload): Remove prototype.
6479 (debug_reload_to_stream): Likewise.
6480 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6483 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6485 * diagnostic.c (context_as_prefix): Export.
6486 (need_error_newline): Remove.
6487 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6488 (error_module_changed, record_last_error_module,
6489 error_function_changed, record_last_error_function): New functions.
6490 (initialize_diagnostics): Default intialize
6491 lang_diagnostic_starter, lang_diagnostic_finalizer.
6492 (init_output_buffer): Tweak.
6493 (file_name_as_prefix): New function.
6494 (announce_function, default_print_error_function,
6495 report_error_function, set_diagnostic_context): Tweak.
6497 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6499 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6500 condition expression.
6502 2000-08-20 Richard Henderson <rth@cygnus.com>
6504 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6506 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6508 * cppinit.c (cpp_init): Set global flag when called.
6509 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6511 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6513 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6514 before `process_directive' so that newlines won't be missed
6516 (cpp_printf): Increment `print->lineno' when newline is emitted.
6518 * cppmain.c (cb_ident): Likewise.
6519 (cb_define): Likewise.
6520 (cb_undef): Likewise.
6521 (cb_include): Likewise.
6522 (cb_def_pragma): Likewise.
6523 (dump_macros_helper): Likewise.
6525 2000-08-20 Richard Henderson <rth@cygnus.com>
6527 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6528 assigned before a loop.
6530 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6531 (ashrsi3, lshrsi3): Likewise.
6533 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6535 * c-lang.c: #include diagnostic.h
6536 (c_tree_printer): New function.
6537 (lang_init): Initialize lang_printer.
6539 * Makefile.in (c-lang.o): Depends on diagnostic.h
6541 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6543 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6545 * diagnostic.c (default_diagnostic_starter,
6546 default_diagnostic_finalizer): New functions.
6547 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6548 (pedwarn, pedwarn_with_file_and_line, error,
6549 error_with_file_and_line, fatal, warning,
6550 warning_with_file_and_line): Adjust call to report_diagnostic.
6551 (report_diagnostic): Rework.
6552 (set_diagnostic_context): New function.
6554 * diagnostic.h (struct diagnostic_context): New data structure.
6555 (diagnostic_message, diagnostic_argument_list,
6556 diagnostic_file_location, diagnostic_line_location,
6557 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6558 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6559 (set_diagnostic_context): Declare.
6560 (report_diagnostic): Change prototype.
6562 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6564 * fix-header.c (main): Initialize cpplib.
6566 2000-08-19 Michael Meissner <meissner@redhat.com>
6568 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6569 instructions in it before checking for indirect jumps.
6571 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6572 in a indirect jump as a potential for conditional execution.
6574 * d30v.h (d30v_init_expanders): Don't declare here.
6575 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6578 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6580 * cpp.texi: Add @section for assertions.
6582 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6584 * loop.c (scan_loop): Use CONST_CALL_P instead of
6585 checking for REG_LIBCALL / REG_RETVAL.
6587 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6589 * reload1.c (reload_as_needed): Accept dumpfile argument,
6590 pass it to emit_reload_insns.
6591 (emit_reload_insns): Add new dumpfile argument. If non-null
6592 then dump the reloads for each insn into the dumpfile.
6593 (reload): Pass dumpfile to reload_as_needed.
6595 * invoke.texi: Clean up linux-gnu vs linux comments.
6597 2000-08-19 Richard Henderson <rth@cygnus.com>
6599 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6600 (ia64_depz_field_mask): New.
6601 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6602 (PREDICATE_CODES): Update.
6603 * config/ia64/ia64.md: Update commentary.
6604 (depz_internal): New.
6605 (ashlsi3): Implement directly.
6606 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6607 (ashldi3): Use shladd.
6608 * config/ia64/ia64-protos.h: Update.
6610 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6612 * toplev.c (independent_decode_option): Always process -g.
6613 Remove third argument, now unused. Adjust caller to match.
6615 2000-08-18 Richard Henderson <rth@cygnus.com>
6617 * combine.c (make_compound_operation): Break after creating
6620 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6622 * cpplib.c (cpp_register_pragma_space): Just return if the
6623 namespace is already registered.
6625 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6627 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6628 constant amount. Do not generate ROTL instruction.
6630 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6632 * config/sh/elf.h: Do not include sh/sh.h.
6633 * config/sh/rtems.h: Likewise.
6634 * config/sh/rtemself.h: Do not include sh/elf.h.
6635 * configure.in: Get them included with `tm_file's.
6636 * configure: Rebuilt.
6638 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6639 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6641 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6643 * stor-layout.c (compute_record_type): Don't use mode of single
6644 field as mode of record if not integer mode of same type.
6646 * regmove.c (perhaps_ends_bb_p): New function.
6647 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6648 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6649 (fixup_match_1): Likewise.
6650 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6651 avoid signed/unsigned warnings.
6653 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6656 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6658 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6659 (_cpp_trigraph_map): Declaration moved from cpplex.c
6661 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6662 instead of 256. Use consistent test for designated initializers.
6663 (cpp_init): Initialize trigraph_map.
6664 (initialize_standard_includes, parse_option): Use memcmp
6667 * cpplex.c (init_trigraph_map): Remove.
6668 (trigraph_ok, trigraph_replace, lex_line): Refer to
6671 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6672 (do_unassert): Remove unused "next" local.
6674 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6676 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6678 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6681 2000-08-17 Richard Henderson <rth@cygnus.com>
6683 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6684 the first insn in a sequence.
6686 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6688 * alias.c (true_dependence, write_dependence_p): A read
6689 involving a label_ref or the constant pool doesn't create
6692 * rtl.h (unchanging): Improve documentation.
6694 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6696 * cse.c (insert_regs): Remove unused `regno'.
6698 2000-08-17 Neil Booth <NeilB@earthling.net>
6700 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6701 remove_dup_dirs. If qtail == brack, remove brack not
6703 (remove_dup_dir, remove_dup_dirs): New functions.
6705 2000-08-17 Neil Booth <NeilB@earthling.net>
6707 * cppinit.c (cpp_cleanup): Free include dir chains.
6708 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6709 (do_unassert): Free the assert with _cpp_free_definition.
6710 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6711 assertions. Make the node a T_VOID node.
6713 2000-08-17 Neil Booth <NeilB@earthling.net>
6715 * cppinit.c (path_include, append_include_chain):
6716 Remove 2nd parameter (struct cpp_pending *).
6717 (path_include, initialize_standard_includes, cpp_handle_option):
6718 Update callers appropriately.
6719 (cpp_handle_option): Use pend.
6721 2000-08-17 Neil Booth <NeilB@earthling.net>
6723 * cppinit.c (sort_options): Remove, put functionality in
6726 (initialize_builtins): Free memory.
6727 (cpp_start_read): Move init_IStable to cpp_init.
6729 * cpplib.h (cpp_init): New prototype.
6730 * cppmain.c (main): Call cpp_init.
6732 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6734 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6735 (rtx_unstable_p, rtx_varies_p): Process vectors.
6737 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6739 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6740 references to GLOBAL symbols. Use LOCAL where appropriate.
6742 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6744 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6745 use t-aix41 when host == target.
6747 2000-08-16 Richard Henderson <rth@cygnus.com>
6749 * reload.c (push_secondary_reload): Revert last change.
6750 If we use a reload_in/out pattern, make the when the same
6751 as the primary reload.
6752 (find_reloads): Likewise.
6754 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6756 * configure.in (libstdcxx-v3): Fix test.
6757 * configure: Regenerate.
6759 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6761 * calls.c (calls_function_1, expand_call): Only test
6762 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6763 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6765 2000-08-16 Richard Henderson <rth@cygnus.com>
6767 * combine.c (simplify_shift_const): Revert previous two
6768 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6769 before the main loop.
6771 2000-08-15 Richard Henderson <rth@cygnus.com>
6773 * combine.c (simplify_shift_const): Bound shift count when
6776 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6778 * calls.c (ECF_SP_DEPRESSED): New macro.
6779 (calls_function_1): Treat calling sp-depressed function as alloca.
6780 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6781 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6782 If sp-depressed, ensure block saves and restores SP.
6783 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6785 * function.c (keep_stack_depressed): New function.
6786 (thread_prologue_and_epilogue_insns): Call it.
6787 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6788 to print DECL_OFFSET_ALIGN.
6789 Print no-force-blk and transparent-union flags properly.
6790 * stmt.c (expand_goto_internal): Don't restore stack if last block
6791 and function returns with sp depressed.
6792 (fixup_gotos): Likewise.
6793 (save_stack_pointer): New function, from code in expand_decl.
6794 (expand_decl): Call new function.
6795 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6796 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6797 (save_stack_pointer): New declaration.
6799 * diagnostic.c (fatal_function): New variable.
6800 (set_fatal_function): New function.
6802 * diagnostic.h (set_fatal_function): New declaration.
6804 2000-08-15 William Cohen <wcohen@redhat.com>
6806 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6807 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6808 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6810 2000-08-15 Richard Henderson <rth@cygnus.com>
6812 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6814 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6816 * arm.c (arm_function_ok_for_sibcall): New function.
6817 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6818 * arm.md (call expanders): Don't check here for calls that can't
6821 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6823 * arm.md (splits generating cond_exec): Disable.
6825 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6827 * arm/linux-elf.h (text_section): Delete declaration.
6829 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6831 ARM support for unordered FP operations.
6832 * arm-protos.h (arm_comparison_operator): Declare.
6833 * arm.c (arm_comparison_operator): New function.
6834 (arm_select_cc_mode): Add unordered comparison codes.
6835 (get_arm_condition_code): Likewise.
6836 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6837 be done in one insn.
6838 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6839 * arm.md (all uses of comparison_operator): Replace with
6840 arm_comparison_operator.
6841 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6843 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6846 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6848 * gthr-posix.h: Conditionally include <sched.h>; include
6849 <config.h> from libobjc/.
6851 2000-08-14 Richard Henderson <rth@cygnus.com>
6853 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6856 2000-08-14 Richard Henderson <rth@cygnus.com>
6858 * configure.in (ia64-*): Set float_format for i386 long double.
6860 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6861 as we would for i386 XFmode.
6862 (PUT_REAL): Likewise.
6863 (endian, ereal_atof, real_value_truncate): Likewise.
6864 (ereal_isneg, toe64, etens, make_nan): Likewise.
6865 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6867 * config/ia64/ia64-protos.h: Update.
6868 * config/ia64/ia64.c (general_tfmode_operand): New.
6869 (destination_tfmode_operand): New.
6870 (tfreg_or_fp01_operand): New.
6871 (ia64_split_timode): New.
6872 (spill_tfmode_operand): New.
6873 (ia64_expand_prologue): Use TFmode not XFmode.
6874 (ia64_expand_epilogue): Likewise.
6875 (ia64_function_arg): Likewise.
6876 (ia64_function_arg_advance): Likewise.
6877 (ia64_return_in_memory): Likewise.
6878 (ia64_function_value): Likewise.
6879 (ia64_print_operand): Likewise.
6880 (ia64_register_move_cost): Set GR<->FR to 5.
6881 (ia64_secondary_reload_class): Get GR for TImode memory op.
6882 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6883 (ROUND_TYPE_ALIGN): Remove.
6884 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6885 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6886 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6887 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6888 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6889 (CLASS_MAX_NREGS): Likewise.
6890 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6891 (PREDICATE_CODES): Update.
6892 * config/ia64/ia64.md (movti): New.
6893 (movti_internal): Use a clobber for memory alternatives.
6894 (reload_inti, reload_outti): New.
6895 (movsfcc_astep): Predicate properly.
6896 (movdfcc_astep): Likewise.
6899 (extendsftf2, extenddftf2): New.
6900 (trunctfsf2, trunctfdf2): New.
6901 (floatditf2, fix_trunctfdi2): New.
6902 (floatunsditf2, fixuns_trunctfdi2): New.
6903 (addtf3, subtf3, multf3, abstf2): New.
6904 (negtf2, nabstf2, mintf3, maxtf3): New.
6905 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6907 (fr_spill): Use TFmode, not XFmode.
6908 (fr_restore): Likewise.
6909 * config/ia64/lib1funcs.asm (__divtf3): New.
6910 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6912 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6914 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6916 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6917 `U' integer constant suffix.
6919 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6922 * sparc/sol2.h (__enable_execute_stack): Prototype.
6924 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6926 * collect2.c: Remove use of AIX import file.
6928 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6930 * rs6000.c (print_operand, case 'E'): Add else.
6932 2000-08-14 Richard Henderson <rth@cygnus.com>
6934 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6935 (movdi_symbolic): New.
6937 2000-08-14 Jim Wilson <wilson@cygnus.com>
6939 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6940 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6941 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6944 2000-08-14 Richard Henderson <rth@cygnus.com>
6946 * expr.c (emit_group_load): Don't force constants into registers.
6947 Special case source already in the correct mode.
6949 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6951 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6952 * fixinc/inclhack.def: Likewise.
6953 * fixinc/mkfixinc.sh: Likewise.
6954 * configure: Regenerate.
6955 * fixinc/fixincl.x: Regenerate.
6956 * install.texi: Document equivalence of linux and linux-gnu.
6958 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6960 * cse.c (insert_regs): Also in REG case: When finding an invalid
6961 value, and we make a new quantity, make sure that it won't be
6962 mistaken by for a valid one by mention_regs.
6964 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6966 * h8300.md: Remove obsolete peepholes.
6968 2000-08-13 Kazu Hirata <kazu@hxi.com>
6970 * invoke.texi (H8/300 Options): Fix typos.
6971 * config/h8300.c: Fix formatting.
6972 * config/h8300.h: Fix comment typos.
6973 (OVERRIDE_OPTIONS): Fix formatting.
6975 * function.c: Fix formatting.
6977 * cse.c: Fix formatting.
6979 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6981 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6982 (attempt_auto_inc): Suppress parentheses warning.
6983 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6984 * loop.c (load_mems): Remove `u' suffix in two places.
6985 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6987 * config/rs6000/rs6000.h: Likewise.
6988 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6989 __eabi dummy routine.
6990 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6993 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6994 not put stuff in .sdata unnecessarily.
6995 (rs6000_unique_section): New function.
6996 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6997 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6999 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7000 arrays in C99. Don't try to look at DECL_REGISTER of a
7001 COMPONENT_REF. Don't complain twice about the same error.
7003 * fixinc/inclhack.def (aix_pthread): New fix.
7004 (aix_sysmachine): New fix.
7005 * fixinc/fixincl.x: Regenerate.
7007 * expr.c (expand_expr): Call convert_modes when turning a large
7008 multiply into a small one.
7010 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7012 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7013 the tree structure an exponent rather than an explicit alignment
7014 so it doesn't overflow.
7015 (SET_DECL_OFFSET_ALIGN): New macro.
7016 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7017 rather than DECL_OFFSET_ALIGN.
7018 (place_field): Likewise.
7019 * expmed.c (store_bit_field): Abort on align==0 to avoid
7020 antisocial machine behaviour.
7022 2000-08-12 Richard Henderson <rth@cygnus.com>
7024 * sibcall.c (uses_addressof): Accept both addressof and
7025 current_function_internal_arg_pointer inside a mem.
7026 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7027 if current_function_uses_addressof.
7028 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7031 2000-08-11 Richard Henderson <rth@cygnus.com>
7033 * config/ia64/ia64.md (addsi3): Remove expander.
7034 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7035 (*addsi3_shladd): New.
7037 2000-08-11 Richard Henderson <rth@cygnus.com>
7039 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7040 (do_restore): Likewise.
7041 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7042 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7043 (rtx_needs_barrier): Track actual bit manipulation for
7044 ar.unat moves, gr_spill, and gr_restore.
7045 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7046 (process_set): Don't handle varargs spills.
7047 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7048 .mem.offset here instead of in process_set.
7049 (gr_restore): Likewise.
7051 2000-08-11 Richard Henderson <rth@cygnus.com>
7053 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7055 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7057 * gcc.texi (The Configuration File): Document
7058 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7059 UPDATE_PATH_HOST_CANONICALIZATION.
7061 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7063 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7064 unprototyped function pointer casts on integer constants.
7066 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7068 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7070 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7072 * extend.texi (Volatiles): Fix typos.
7074 2000-08-11 Kazu Hirata <kazu@hxi.com>
7076 * flow.c: Fix formatting.
7078 2000-08-11 Richard Henderson <rth@cygnus.com>
7080 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7081 pattern, always allocate a tertiary scratch register.
7083 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7084 (reload_inhi): Likewise.
7086 2000-08-11 Richard Henderson <rth@cygnus.com>
7088 * function.c (put_reg_into_stack): Allow type to be NULL.
7089 (schedule_fixup_var_refs): Likewise.
7090 (gen_mem_addressof): Allow decl to be NULL.
7091 (put_addressof_into_stack): Likewise.
7093 * flow.c (merge_blocks_nomove): Be more careful about
7094 locating the beginning of block A.
7096 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7098 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7103 * config.in: Reverted the check for <sched.h>.
7105 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7107 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7108 macros define the name of CTOR and DTOR sections.
7109 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7110 DTOR_LIST_END): Change to use attributes to specify
7112 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7113 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7114 DTOR_LIST_END): Same as in mips/elf.h.
7116 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7118 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7119 disabling just crt0.o.
7121 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7123 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7124 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7125 (EXTRA_SPECS): Add them.
7126 * arm/lib1funcs.asm: Support builds for interworking.
7127 Use macros to eliminate duplicated pieces of code.
7129 2000-08-10 Kazu Hirata <kazu@hxi.com>
7131 * h8300.c (expand_a_rotate): New.
7132 (emit_a_rotate): Likewise.
7133 (h8300_adjust_insn_length): Add support for the rotate insns.
7134 * h8300.md (rotlqi3): New.
7135 (*rotlqi3_1): Likewise.
7136 (rotlhi3): Likewise.
7137 (*rotlhi3_1): Likewise.
7138 (rotlhi3): Likewise.
7139 (*rotlhi3_1): Likewise.
7140 * h8300-proto.h: Add prototypes for expand_a_rotate and
7143 * h8300.c: Fix comment typos.
7144 (dosize): Declare the variable amount as unsigned.
7145 (get_shift_alg): Fix a comparison between signed and unsigned.
7146 (emit_a_shift): Likewise.
7147 (h8300_adjust_insn_length): Simplify the code.
7149 * c-decl.c: Fix formatting.
7151 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7153 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7154 warning about non-traditional numeric constant suffixes.
7156 * cppexp.c (parse_number): Likewise.
7158 * invoke.texi: (-Wtraditional): Document new behavior.
7160 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7162 * gthr-posix.h: Include auto-host.h. Conditionally include
7164 * configure.in: Check for the <sched.h> header file.
7165 * config.in: Added define for HAVE_SCHED_H.
7167 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7169 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7170 initialization of unions.
7172 * invoke.texi (-Wtraditional): Document new behavior.
7174 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7176 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7177 instead of extra_c_flags.
7178 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7179 * configure: Regenerate.
7180 * config.in: Regenerate.
7182 * cpperror.c (cpp_type2name): New function.
7183 * cpplex.c (lex_line): If we issued an error for an invalid
7184 preprocessing directive, discard that logical line.
7185 * cpplib.c (do_line): Call a hook function if the current file
7186 is renamed by #line.
7187 (do_ident): Pass the contents of the string, not the entire
7188 token, to the callback function.
7189 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7190 (cb.rename_file): New hook function.
7191 (cb.ident): Adjust prototype.
7192 (cpp_type2name): Prototype.
7193 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7195 * cppmain.c (cb_ident): Update for changed interface.
7196 (cb_rename_file): New function.
7197 (main): Set rename callback.
7199 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7201 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7202 multi-word registers.
7204 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7206 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7207 or ISO C89 instead of ANSI C.
7208 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7209 build_enumerator, do_case): Likewise.
7210 * c-lex.c (parse_float, yylex): Likewise.
7211 * c-parse.in: Likewise.
7212 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7213 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7214 build_c_cast, convert_for_assignment, set_init_index,
7215 set_init_label, c_expand_start_case): Likewise.
7216 * toplev.c (documented_lang_options, display_help): Likewise.
7218 2000-08-08 Kazu Hirata <kazu@hxi.com>
7220 * h8300.c: Fix formatting.
7221 * h8300.h: Likewise.
7222 * h8300.md: Likewise.
7223 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7225 * reload1.c: Fix formatting.
7227 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7229 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7230 Use GEN_CALL_VALUE define.
7231 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7232 * clipper/clipper.md (untyped_call): Likewise.
7233 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7234 * fx80/fx80.md (untyped_call): Likewise.
7235 * mips/mips.md (untyped_call): Likewise.
7236 * ns32k/ns32k.md (untyped_call): Likewise.
7237 * pa/pa.md (untyped_call): Likewise.
7238 * romp/romp.md (untyped_call): Likewise.
7239 * sparc/sparc.md (untyped_call): Likewise.
7241 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7243 * config/i860/i860.c (singlemove_string): Do not generate assembler
7244 pseudo instructions that must be expanded (that is, with signed
7245 constants larger than 16 bits).
7247 2000-08-08 Richard Henderson <rth@cygnus.com>
7249 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7250 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7251 (init_propagate_block_info): Don't kill memory stores at -O0.
7252 (mark_set_1, mark_used_regs): Likewise.
7254 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7256 * rs6000.c (optimization_options): Decorate 'level' as
7258 (mask64_operand): Remove sign-extend thinko.
7259 (rldic_operand): New function.
7260 (load_multiple_operation): regno's are unsigned ints.
7261 (store_multiple_operation): Likewise.
7262 (lmw_operation): Likewise.
7263 (stmw_operation): Likewise.
7264 (includes_lshift_p): shift_mask is unsigned int.
7265 (includes_lshift64_p): New function.
7266 (addrs_ok_for_quad_peep): unsigned int reg1.
7267 (print_operand): Consistently add "else" after
7268 output_operand_lossage().
7269 (print_operand, case 'b'): Fold in case 'W'.
7270 (print_operand, case 'W'): Print rldic MB value.
7271 (output_epilogue): Update Objective-C language string.
7272 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7273 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7274 * rs6000.md (ashldi3): Add rldic instruction.
7275 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7276 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7279 2000-08-08 Richard Henderson <rth@cygnus.com>
7281 * config/ia64/ia64-protos.h: Remove duplicates. Update
7282 for massive code rearrangements.
7283 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7284 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7285 (ia64_local_regs, ia64_need_regstk): Remove.
7286 (ar_ccv_reg_operand): New.
7287 (ia64_gp_save_reg): New.
7288 (struct ia64_frame_info): Combine most of the size elements;
7289 add new gr save elements.
7290 (find_gr_spill): New.
7291 (next_scratch_gr_reg): New.
7292 (mark_reg_gr_used_mask): New.
7293 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7294 to GR backing store regs when possible.
7295 (ia64_initial_elimination_offset): New.
7296 (ia64_rap_fp_offset): Remove.
7297 (save_restore_insns): Remove.
7298 (setup_spill_pointers): New.
7299 (finish_spill_pointers): New.
7300 (spill_restore_mem): New.
7301 (do_spill, do_restore): New.
7302 (ia64_expand_prologue): Rewrite to use them.
7303 (ia64_expand_epilogue): Likewise.
7304 (ia64_direct_return): Update for current_frame_info changes.
7305 (ia64_function_prologue): Simplify .prologue emission. Emit
7307 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7308 (ia64_dbx_register_number): New.
7309 (ia64_initialize_trampoline): New.
7310 (ia64_secondary_reload_class): Request GR_REGS for integer
7311 arithmetic destined for FR_REGS.
7312 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7313 (ia64_mark_machine_status): Mark ia64_gp_save.
7314 (rws_access_regno): Rename from rws_access_reg; don't treat
7315 predicates specially.
7316 (rws_access_reg): New. Update all callers.
7317 (rtx_needs_barrier): Remove dead unspecs.
7318 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7319 (ia64_encode_section_info): Silence signed/unsigned warnings.
7320 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7321 (tmp_reg, tmp_saved): Remove.
7322 (process_set): Rewrite to expect complicated bits via
7323 REG_FRAME_RELATED_EXPR.
7324 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7325 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7326 (ia64_expand_op_and_fetch): Likewise.
7327 (ia64_expand_compare_and_swap): Likewise.
7328 (ia64_expand_builtin): Likewise.
7329 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7330 (FIRST_PSEUDO_REGISTER): Update.
7331 (AR_M_REGNO_P): Update.
7332 (FIXED_REGS): Don't mark three local registers as used.
7333 (EXTRA_CC_MODES): New.
7334 (SELECT_CC_MODE): New.
7335 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7336 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7337 (FRAME_GROWS_DOWNWARD): Unset.
7338 (STARTING_FRAME_OFFSET): Zero.
7339 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7340 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7341 (HARD_FRAME_POINTER_REGNUM): New.
7342 (CAN_DEBUG_WITHOUT_FP): Define.
7343 (TRAMPOLINE_TEMPLATE): Remove.
7344 (TRAMPOLINE_SIZE): Lower to 32.
7345 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7346 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7347 (PREDICATE_CODES): Update.
7348 (struct machine_function): Add ia64_gp_save.
7349 * config/ia64/ia64.md: Purge unused unspecs.
7350 (movsi patterns): Allow moves to/from AR_M_REGS.
7351 (movdi patterns): Allow moves to/from p0.
7352 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7353 (gr_spill, gr_restore): Indicate ar.unat read/written.
7354 (nonlocal_goto): Don't pass old frame_pointer.
7355 (nonlocal_goto_receiver): Remove.
7356 (exception_receiver): New.
7357 (builtin_setjmp_setup): New.
7358 (builtin_setjmp_receiver): New.
7359 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7360 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7361 (__ia64_restore_stack_nonlocal): Likewise.
7362 (__ia64_trampoline): New.
7363 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7365 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7367 2000-08-08 Richard Henderson <rth@cygnus.com>
7369 * frame.h (ia64_frame_state): Add my_psp.
7370 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7371 (__throw): Pass it in. Don't clobber r7.
7372 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7373 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7374 and nothing to do with sp.
7375 (normalize_reg_loc): Use frame->my_psp.
7376 (frame_translate): Handle frame-pointer-less functions. Set
7377 spill_base correctly, in absence of being told.
7378 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7379 (__ia64_backtrace_helper): New sp argument. Use
7380 builtin_return_address instead of label addresses.
7381 (print_record) [mem_stack_v]: No size member.
7383 2000-08-08 Richard Henderson <rth@cygnus.com>
7385 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7387 2000-08-08 Richard Henderson <rth@cygnus.com>
7389 * tm.texi (LOCAL_REGNO): Document.
7390 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7391 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7392 * reload1.c (reload): Likewise when considering nonlocal labels.
7394 * config/ia64/ia64.h (LOCAL_REGNO): New.
7395 * config/sparc/sparc.h (LOCAL_REGNO): New.
7397 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7399 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7401 2000-08-07 Nick Clifton <nickc@redhat.com>
7403 * config/mips/mips.c: Fix compile time warning messages.
7404 * config/mips/mips-protos.h: Add prototype for equality_op.
7406 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7408 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7410 * mn10300.md: Use nonimmediate_operand instead of general_operand
7413 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7415 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7417 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7418 * sh.c (expand_block_move): Break long lines.
7419 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7420 * sh.md (mulsi3): Likewise.
7421 (movdi): Adjust spacing.
7423 2000-08-07 Richard Henderson <rth@cygnus.com>
7425 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7426 * expr.c (emit_group_store): Don't set it.
7428 2000-08-07 Kazu Hirata <kazu@hxi.com>
7430 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7431 duplicate entries for 'w' and 'z'.
7433 * flow.c: Fix a comment typo.
7435 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7437 * c-parse.in: Changed the language string for Objective-C to "GNU
7440 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7442 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7443 to improve the Posix thread support for Objective-C.
7445 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7447 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7448 CTI_UNSIGNED_PTRDIFF_TYPE.
7449 (signed_size_type_node): Define.
7450 (unsigned_ptrdiff_type_node): Define.
7451 * c-decl.c (init_decl_processing): Create the
7452 signed_size_type_node and unsigned_ptrdiff_type_node types.
7453 * c-common.c (T_SC): Define.
7456 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7457 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7459 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7460 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7461 flags for %c, %s and %[.
7462 (check_format_info): Only allow leniency for signedness of targets
7463 of character pointers (when pedantic) for formats flagged with
7464 "c", so for strings but not for %hh formats. When pedantic, don't
7465 allow character pointers to substitute for void pointers if a
7466 second level of indirection is present.
7468 2000-08-06 Kazu Hirata <kazu@hxi.com>
7470 * invoke.texi (Options for Debugging Your Program or GCC): Update
7471 the names of dump files.
7473 * h8300.c (dosize): Rearrange code for conciseness.
7474 (split_adds_subs): Likewise.
7476 * loop.c: Fix formatting.
7478 * dwarf2out.c: Fix formatting.
7480 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7482 * expr.c: Fix formatting.
7484 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7486 * rs6000.c (rs6000_maybe_dead): Prototype.
7488 2000-08-06 Richard Henderson <rth@cygnus.com>
7490 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7491 HAVE_nonlocal_goto as well.
7492 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7493 * config/pj/pj.md (nonlocal_goto): Likewise.
7495 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7497 * loop.c (try_swap_copy_prop): New function.
7498 (load_mems): Rename copies to load_copies and add new regset
7499 store_copies. Check for sets of shadow registers and mark
7500 in store_copies. Call try_swap_copy_prop for registers
7501 marked in store_copies.
7503 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7505 * objc/objc-act.c: New command line option -fconstant-string-class
7506 to allow specifying a user defined constant string class,
7507 different from NXConstantString.
7509 * toplev.c: Moved the Objective-C specific options to
7510 objc/lang-options.h.
7512 * objc/lang-options.h: Moved the Objective-C specific options from
7513 toplev.c. Added -fconstant-string-class.
7515 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7517 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7518 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7519 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7520 avoid extra alignment imposed on arrays.
7521 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7522 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7524 * mips.h: Clean up comments and spacing near MASKs.
7525 (TARGET_UNIX_ASM): Delete.
7526 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7527 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7530 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7532 * c-common.c (print_char_table): Add entries for the X/Open '
7533 format flag (print decimals with locale's thousands grouping
7534 character). Make %C expect wint_t.
7535 (check_format_info): If pedantic, warn when the %n$ operand
7536 number form is used. Allow for the ' flag; warn about it if
7539 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7541 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7542 type is a float mode, cfun->decl's return type is not, and
7543 TARGET_FLOAT_RETURNS_IN_80387.
7545 2000-08-04 Andreas Schwab <schwab@suse.de>
7547 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7548 token list, which are always `#' and `pragma'.
7550 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7552 * tree.c (tree_expr_nonnegative_p): Move to...
7553 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7554 (rtl_expr_nonnegative_p): New.
7555 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7557 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7558 CONST_DOUBLE_CHAIN: Move to...
7559 * rtl.h: ...here. Use XCINT/XCEXP.
7561 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7562 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7563 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7566 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7568 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7570 * config/c4x/c4x.md (return_indirect_internal): New.
7571 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7573 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7575 * c-common.c (time_char_table): Mark up formats added in C99 and
7576 make other corrections. %D and %g were added in C99. %Og is an
7577 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7578 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7579 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7580 %h was added in C99. %C was added in C99. %OY and %OC are
7581 extensions. Add the C99 format %F.
7582 (check_format_info): If pedantic and not in C99 mode, warn for C99
7585 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7587 * function.c (schedule_fixup_var_refs): New function, broken out
7588 of put_reg_into_stack.
7589 (put_reg_into_stack): Use it.
7590 (put_var_into_stack): In CONCAT case, fixup up references for
7591 components only after fixing up references to the whole concat.
7593 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7595 * alias.c (mark_constant_function): Use INSN_P.
7596 (init_alias_analysis): Likewise.
7597 * combine.c (combine_instructions): Use INSN_P.
7598 (can_combine_p): Likewise.
7599 (try_combine): Likewise.
7600 (distribute_notes): Likewise.
7601 (distribute_links): Likewise.
7602 * cse.c (cse_around_loop): Use INSN_P.
7603 (invalidate_skipped_block): Likewise.
7604 (cse_set_around_loop): Likewise.
7605 (cse_end_of_basic_block): Likewise.
7606 (delete_trivially_dead_insns): Likewise.
7607 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7608 (unshare_all_rtl_1): Likewise.
7609 (next_cc0_user): Likewise.
7610 (try_split make_insn_raw): Likewise.
7611 (remove_unnecessary_notes): Likewise.
7612 * final.c (shorten_branches): Use INSN_P.
7613 (leaf_renumber_regs): Likewise.
7614 (leaf_renumber_regs_insn): Likewise.
7615 * flow.c (find_label_refs): Use INSN_P.
7616 (verify_wide_reg): Likewise.
7617 (notice_stack_pointer_modification): Likewise.
7618 (count_or_remove_death_notes): Likewise.
7619 (verify_flow_info): Likewise.
7620 (clear_log_links): Likewise.
7621 * function.c (fixup_var_refs_insns): Use INSN_P.
7622 (compute_insns_for_mem): Likewise.
7623 * gcse.c (alloc_gcse_mem): Use INSN_P.
7624 (compute_sets): Likewise.
7625 (compute_hash_table): Likewise.
7626 (classic_gcse): Likewise.
7628 (insert_insn_end_bb): Likewise.
7629 (delete_null_pointer_checks_1): Likewise.
7630 * global.c (expand_preferences): Use INSN_P.
7631 (build_insn_chain): Likewise.
7632 * graph.c (node_data): Use INSN_P.
7633 * haifa-sched.c (priority): Use INSN_P.
7634 (rm_line_notes): Likewise.
7635 (rm_other_notes): Likewise.
7636 (find_insn_reg_weight): Likewise.
7637 (init_target_units): Likewise.
7638 (schedule_block): Likewise.
7639 (compute_block_forward_dependences): Likewise.
7640 (debug_dependencies): Likewise.
7641 (set_priorities): Likewise.
7642 * integrate.c (function_cannot_inline_p): Use INSN_P.
7643 (save_parm_insns): Likewise.
7644 (copy_insn_list): Likewise.
7645 * jump.c (mark_all_labels): Use INSN_P.
7646 (never_reached_warning): Likewise.
7647 * lcm.c (optimize_mode_switching): Use INSN_P.
7648 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7649 (memref_used_between_p): Likewise.
7650 (update_equiv_regs): Likewise.
7651 (block_alloc): Likewise.
7652 (no_conflict_p): Likewise.
7653 * loop.c (scan_loop): Use INSN_P.
7654 (find_and_verify_loops): Likewise.
7655 (count_loop_regs_set): Likewise.
7656 (loop_reg_used_before_p): Likewise.
7657 (strength_reduce): Likewise.
7658 (recombine_givs): Likewise.
7659 (check_dbra_loop): Likewise.
7660 (load_mems): Likewise.
7661 (try_copy_prop): Likewise.
7662 * print-rtl.c (print_rtx): Use INSN_P.
7663 * recog.c (find_single_use): Use INSN_P.
7664 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7665 (next_flags_user): Likewise.
7666 (swap_rtx_condition): Likewise.
7667 * regmove.c (mark_flags_life_zones): Use INSN_P.
7668 (optimize_reg_copy_1): Likewise.
7669 (optimize_reg_copy_2): Likewise.
7670 (optimize_reg_copy_3): Likewise.
7671 (reg_is_remote_constant_p): Likewise.
7672 (fixup_match_2): Likewise.
7673 (regmove_optimize): Likewise.
7674 (fixup_match_1): Likewise.
7675 * regrename.c (build_def_use): Use INSN_P.
7676 (replace_reg_in_block): Likewise.
7677 (consider_use): Likewise.
7678 * reload.c (find_equiv_reg): Use INSN_P.
7679 * reload1.c (reload): Use INSN_P.
7680 (maybe_fix_stack_asms): Likewise.
7681 (calculate_needs_all_insns): Likewise.
7682 (reload_as_needed): Likewise.
7683 (emit_output_reload_insns): Likewise.
7684 (delete_address_reloads_1): Likewise.
7685 (reload_cse_regs_1): Likewise.
7686 (reload_combine): Likewise.
7687 (reload_cse_move2add): Likewise.
7688 * reorg.c (redundant_insn): Use INSN_P.
7689 (dbr_schedule): Likewise.
7690 * resource.c (find_dead_or_set_registers): Use INSN_P.
7691 (mark_target_live_regs): Likewise.
7692 * rtlanal.c (reg_used_between_p): Use INSN_P.
7693 (reg_referenced_between_p): Likewise.
7694 (reg_set_between_p): Likewise.
7695 (reg_set_p): Likewise.
7696 (single_set): Likewise.
7697 (multiple_sets): Likewise.
7698 (find_last_value): Likewise.
7699 (reg_set_last): Likewise.
7700 (find_reg_note): Likewise.
7701 (find_regno_note): Likewise.
7702 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7703 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7704 * ssa.c (find_evaluations): Use INSN_P.
7705 (rename_block): Likewise.
7706 (rename_equivalent_regs): Likewise.
7707 * unroll.c (loop_find_equiv_value): Use INSN_P.
7708 (set_dominates_use): Likewise.
7709 * varasm.c (mark_constant_pool): Use INSN_P.
7710 (mark_constants): Likewise.
7711 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7712 (alphaev4_next_group): Likewise.
7713 (alphaev5_next_group): Likewise.
7714 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7715 (c4x_rptb_rpts_p): Likewise.
7716 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7717 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7718 (rs6000_adjust_priority): Likewise.
7719 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7720 (machine_dependent_reorg): Likewise.
7721 (split_branches): Likewise.
7722 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7724 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7726 * combine.c (recog_for_combine): Remove the old notes
7727 prior to attempting to recognize the new pattern.
7728 (distribute_notes): Ignore REG_NONNEG notes.
7730 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7732 * varasm.c (output_constructor): Add .align 0 for packed vars.
7734 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7736 * configure.in: Use default thread_file even when enable_threads is
7737 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7738 * configure: Rebuilt.
7740 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7742 2000-08-04 Donn Terry (donnte@microsoft.com)
7744 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7746 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7748 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7749 Delete code that conditionally modifies 'version'.
7750 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7751 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7752 * gcc.c (main): Use it.
7753 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7754 * prefix.c (update_path): Use it.
7755 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7756 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7757 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7759 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7760 (SUBTARGET_SWITCHES): Adjust.
7761 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7763 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7765 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7767 * c-common.h (flag_isoc94): Declare.
7768 * c-decl.c (flag_isoc94): Define.
7769 (c_decode_option): Set flag_isoc94 as appropriate.
7770 * c-common.c (T_PD, T_IM, T_UIM): Define.
7771 (format_char_info): Add tlen and jlen.
7772 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7774 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7776 (time_char_table): Add NULL entries for %t and %j.
7777 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7778 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7779 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7780 precision. Allow precision argument to be unsigned int. If
7781 pedantic, warn for %p passed an argument not a pointer to possibly
7782 qualified void or a possibly qualified character type, and for
7783 pointer targets of the wrong sign, except for character pointers.
7785 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7787 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7788 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7789 (wint_type_node): Define.
7790 * c-decl.c (WINT_TYPE): Define.
7791 (init_decl_processing): Create the wint_type_node type.
7792 * c-common.c (T_WI): Define.
7793 (print_char_table): Use T_WI for %lc format.
7795 2000-08-04 Bruce Korb <bkorb@gnu.org>
7797 * fixinc/: Verified that the MSDOS patch does not break
7798 the UNIX functionality and applied the next three patches
7801 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7803 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7804 output file with the temporary one by appending ".X" to generate
7805 the temporary fuile's name. If the output file already has an
7806 extension, replace it with ".X".
7808 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7809 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7810 reallocate the command buffer while copying the command-line
7811 argument. Redirect the output directly to the temporary file,
7812 instead of going through another temporary file.
7813 (process): Close the temporary file before unlinking it.
7814 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7815 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7816 (run_compiles): Pass p_fixd argument to machine_matches, as it
7819 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7820 environment, assume there are no symlinks in the include
7821 directory. When cleaning up the DONE files, look for them
7822 case-insensitively. Don't try to remove symlinks if they aren't
7825 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7826 all callers changed. Declare pz "const char *", to avoid compiler
7829 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7830 Change prototype of make_raw_shell_str.
7832 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7834 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7835 (initialize) [__MSDOS__]: Use tempnam.
7836 (initialize): Don't use SIGPIPE if it is not defined.
7838 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7841 2000-07-25 Bruce Korb <bkorb@gnu.org>
7843 * fixinc/fix*.[ch]: substantially reworked to make it possible
7844 to run this program without using fork(2) or pipe(2) (i.e. in
7847 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7849 * cppdefault.h (WINT_TYPE): Define.
7850 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7851 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7852 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7854 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7856 * (mips_legitimate_address_p): Don't allow register+offset
7857 if the offset is large and negative, and we are compiling
7858 for 64 bit registers.
7860 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7862 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7863 insn_code_number + 1.
7865 2000-08-04 Kazu Hirata <kazu@hxi.com>
7867 * h8300.c (function_prologue): Rearrange code for conciseness.
7868 (function_epilogue): Likewise.
7869 * h8300.h (OK_FOR_U): Fix formatting.
7871 * cse.c: Fix a comment typo. Fix formatting.
7873 2000-08-03 Richard Henderson <rth@cygnus.com>
7875 * config/i386/i386.md (return_indirect_internal): New.
7876 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7878 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7880 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7882 (lex_line): Glue @ onto the beginning of identifiers and
7883 string constants, in Objective-C mode.
7884 (output_token, spell_token): Handle CPP_OSTRING.
7885 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7886 beginning of a NAME or a STRING, in objc mode.
7888 * cpplib.c (get_define_node): Do not permit identifiers that
7889 begin with @ to be #defined.
7890 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7891 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7893 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7894 * c-tree.h (build_objc_string): Delete prototype.
7895 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7896 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7898 * c-parse.in, objc/objc-act.c: Update commentary.
7900 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7902 * extend.texi: Fix typo in last change.
7904 * extend.texi: Add commentary on statement-expressions and their
7905 interactions with C++.
7907 2000-08-03 Nick Clifton <nickc@cygnus.com>
7909 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7910 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7912 2000-08-03 Anthony Green <green@cygnus.com>
7914 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7915 (add_bound_info): Check for java language.
7916 (is_java): New function.
7917 * dwarfout.c (output_compile_unit_die): Ditto.
7918 * dwarf.h (dwarf_source_language): Add java source language type.
7919 * dwarf2.h (dwarf_source_language): Ditto.
7921 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7923 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7926 * i386.c (ix86_expand_branch): Mode of comparison in
7927 IF_THEN_ELSE is VOIDmode.
7929 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7931 * gengenrtl.c, rtl.c: Avoid #elif.
7933 2000-08-03 Michael Poole <poole@troilus.org>
7935 * tm.texi (Register Classes): Clarify order of sub-initializers
7936 in REG_CLASS_CONTENTS.
7938 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7940 From SAITOH Masanobu:
7941 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7943 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7945 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7946 is not supported by tradcpp and isn't actually needed for cygwin.
7948 2000-08-03 Kazu Hirata <kazu@hxi.com>
7950 * h8300.c: Fix a comment typo.
7951 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7953 * jump.c: Fix formatting.
7955 * toplev.c: Fix formatting.
7957 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7959 * flow.c (find_auto_inc): Verify that we've got a REG before
7960 peeking at its regno. Fail, don't abort if we can't find
7961 the increment of the desired register.
7963 * pa.md (shadd height reduction patterns/splitters): Remove.
7965 2000-08-02 Jim Wilson <wilson@cygnus.com>
7967 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7968 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7970 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7972 * dce.c: Remove all uses of assert.
7973 * dwarf2out.c: Likewise.
7974 * dwarfout.c: Likewise.
7977 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7979 * gcc.h (lang_specific_driver): Constify second argument.
7980 * gcc.c (translate_options, process_command, main): Likewise.
7981 Constify variables to match. Cast second argument to
7984 * cppspec.c, gccspec.c: Adjust type of second argument to
7985 lang_specific_driver, and update code as necessary.
7987 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7989 * loop.c (scan_loop): Ensure update_end label does not
7990 go away until reg_scan_update is run.
7992 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7994 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7995 * c-tree.h: ... not here.
7996 * errors.h: Prototype fancy_abort.
7998 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7999 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8000 * regrename.c (regrename_optimize): Make control flow explicit.
8001 (replace_reg_in_block): Initialize reg_use to 0.
8003 * i386.c (legitimate_address_p): Rename error label to
8004 report_error to avoid namespace clash.
8006 2000-08-02 Kazu Hirata <kazu@hxi.com>
8008 * fold-const.c: Fix formatting.
8010 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8012 * i386.c (legitimate_address_p): Accept other bases than
8013 pic_offset_table_rtx for GOTOFF constructs.
8015 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8017 * i386.md (shift to lea splitter): Use const_int_operand.
8019 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8021 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8022 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8025 * cppmain.c (cb_define, cb_undef): Don't generate any output
8026 if not done_initializing.
8027 * cpplex.c (maybe_paste_with_next): When the token after a ##
8028 is an omitted rest argument, only delete the token before it
8029 if that token is a comma. Do not warn about bogus token
8030 pastes for , ## rest_arg.
8033 * cpp.1: Regenerate.
8035 2000-08-02 Fred Fish <fnf@be.com>
8037 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8038 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8041 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8042 Be directories to search path.
8044 Remove support for __declspec(dllimport) and __declspec(dllexport).
8045 This is leftover cruft from the earlier BeOS gcc port when BeOS
8046 used Microsoft's PE object file format.
8047 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8048 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8049 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8050 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8051 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8052 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8053 (REDO_SECTION_INFO_P): Remove.
8054 (ASM_EXPORT_DECL): Remove.
8055 (ASM_DECLARE_FUNCTION_NAME): Remove.
8056 (ASM_DECLARE_OBJECT_NAME): Remove.
8057 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8058 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8059 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8060 (STRIP_NAME_ENCODING): Remove.
8062 Remove support for obsolete version of BeOS that is no longer
8064 * configure.in (i*86-*-beospe*): Remove.
8065 * config/i386/beos-pe.h: Remove.
8067 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8068 Mark Mitchell <mark@codesourcery.com>
8070 * Makefile.in (OBJS): Added dce.o.
8071 (ssa.o): Updated target to include ssa.h.
8073 (toplev.o): Likewise.
8074 (dce.o): Created target.
8075 * basic-block.h: Added comments.
8076 (INVALID_BLOCK): Added definition.
8077 (connect_infinite_loops_to_exit): Added declaration.
8078 Moved SSA declarations to ssa.h.
8079 * flow.c: Added inclusion of ssa.h.
8080 (struct depth_first_search_dsS, depth_first_search_ds):
8082 (compute_immediate_postdominators): Added definition.
8083 (connect_infinite_loops_to_exit): Likewise.
8084 (flow_dfs_compute_reverse_init): Likewise.
8085 (flow_dfs_compute_reverse_add_bb): Likewise.
8086 (flow_dfs_compute_reverse_execute): Likewise.
8087 (flow_dfs_compute_reverse_finish): Likewise.
8088 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8089 (LABEL_P): Added definition.
8092 (BARRIER_P): Likewise.
8093 (JUMP_TABLE_DATA_P): Likewise.
8094 (INSN_DEAD_CODE_P): Likewise.
8095 * ssa.c: Replaced inclusions with ssa.h inclusion.
8096 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8097 (rename_registers): Removed unnecessary variables.
8098 * ssa.h: Created by moving declarations from ssa.c and
8100 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8101 * toplev.c: Added ssa.h inclusion.
8102 (dump_file_index): Added DFI_dce.
8103 (dump_file): Added "dce" entry.
8105 (f_options): Added dce entry.
8106 * invoke.texi: Document -fdce. Emphasize experimental status of
8110 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8112 * cpperror.c (v_message): Split into _cpp_begin_message and
8113 v_message macro. All callers updated.
8114 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8117 * cppfiles.c (cpp_syshdr_flags): New function.
8118 (read_include_file): Don't call cpp_output_tokens. Call
8120 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8121 (cpp_reader_init): Don't initialize token_buffer. Call
8122 _cpp_init_internal_pragmas.
8123 (cpp_cleanup): Don't clear token_buffer.
8124 (cpp_start_read): Don't worry about output from -D processing.
8125 Don't call cpp_output_tokens.
8126 (cpp_finish): Don't dump macros here. Don't call
8128 * cppmacro.c (_cpp_dump_definition): Rename
8129 cpp_dump_definition. Write directly to a FILE *.
8130 (dump_funlike_macro): Delete.
8131 (dump_macro_args): New.
8133 * cpplex.c (TOKEN_LEN): Convert to inline function.
8134 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8135 cpp_scan_line, _cpp_dump_list): Delete.
8136 (cpp_printf, cpp_output_list): New.
8137 (output_line_command): Don't worry about entering or leaving files.
8138 (cpp_scan_buffer): Just output each token as we hit it.
8139 (process_directive): Don't call cpp_output_tokens.
8140 (_cpp_glue_header_name): Don't use token_buffer.
8141 (output_token, dump_param_spelling): Write directly to a FILE *.
8143 * cpplib.c (pass_thru_directive, dump_macro_name,
8144 pragma_dispatch, do_pragma_gcc): Delete.
8145 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8146 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8148 (do_error, do_warning, pragma_dependency): Call
8149 _cpp_begin_message, then cpp_output_list.
8150 (cpp_register_pragma, cpp_register_pragma_space,
8151 _cpp_init_internal_pragmas): New.
8152 (do_pragma): Walk the pragmas table here.
8153 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8154 do_pragma_dependency): Return void.
8155 (do_pragma_implementation): Moved to cppmain.c.
8157 * cpplib.h: Update prototypes.
8158 (struct cpp_reader): Remove printer, token_buffer,
8159 token_buffer_size, and limit. Add struct cb, and pragmas.
8160 (struct cpp_printer): Remove last_id and written.
8161 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8162 CPP_ADJUST_WRITTEN): Delete.
8163 * cpphash.h: Update prototypes.
8164 (ufputs): New wrapper.
8166 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8167 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8168 (main): Set up callbacks. Register #pragma implementation.
8169 Dump macros from here.
8171 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8173 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8174 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8175 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8176 insns if they have a REG_MAYBE_DEAD note attached.
8177 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8178 (rs6000_emit_load_toc_table): TOC loads may go dead.
8180 2000-08-01 Jim Wilson <wilson@cygnus.com>
8182 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8183 type exists before using it. Use number of words as alignment
8185 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8186 ia64_va_arg): Propagate ia64_function_args changes here.
8188 2000-08-01 Richard Henderson <rth@cygnus.com>
8190 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8191 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8193 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8195 From Joern Rennecke:
8196 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8197 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8198 unless TARGET_SH3E is set.
8199 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8201 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8202 (ashlsi3_std): New pattern.
8203 (ashlsi3 expander): Use it for TARGET_SH3.
8204 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8206 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8208 * loop.c (canonicalize_condition): Use destination, not source to
8209 determine SET's mode.
8211 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8213 * flow.c (clear_log_links): Fix typo.
8215 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8217 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8218 on targets which need more than one insn for a compare/cbranch
8221 2000-07-31 Jim Wilson <wilson@cygnus.com>
8223 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8224 when computing offset.
8226 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8228 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8230 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8232 * flow.c (clear_log_links): Nuke global_live_at_start and
8233 global_live_at_end data, since if the log_links stuff is invalid
8234 so is global_live_at_*.
8236 2000-07-31 Richard Henderson <rth@cygnus.com>
8238 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8240 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8242 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8243 (_cpp_get_token): Don't macro expand a just pasted token if it
8244 was pasted at no_expand_level.
8246 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8248 * cppmacro.c (find_param, count_params, save_expansion):
8249 Permit 'defined' as a macro parameter name.
8251 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8253 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8254 xcpp to cpp throughout.
8255 (native): Remove unnecessary dependency on cpp.
8257 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8258 tradcpp to tradcpp0.
8259 (.i spec): Add missing output-file spec to cc1 command line.
8260 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8262 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8264 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8265 (implicit_decl_warning): New function.
8266 (implicitly_declare): Use it.
8267 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8268 to complain about implicit decls of builtins.
8270 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8271 based on pedantic && flag_isoc99, if not already set.
8272 * c-tree.h: Declare mesg_implicit_function_declaration.
8273 Prototype implicit_decl_warning.
8275 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8277 * Makefile.in (ssa.o): Updated header files in dependences.
8278 * basic-block.h: Added compute_immediate_postdominators declaration.
8279 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8281 * flow.c (compute_immediate_dominators): Updated comment.
8282 (compute_immediate_postdominators): Added definition.
8283 * rtl.h (HARD_REGISTER_P): Added definition.
8284 * ssa.c: Include additional header files.
8285 (assert): Added definition.
8286 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8287 include select hard registers.
8288 (ssa_rename_to_insert): Likewise.
8289 (ssa_rename_from_initialize): Likewise.
8290 (ssa_rename_from_lookup): Likewise.
8291 (original_register): Likewise.
8292 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8293 include select hard reigsters.
8294 (ssa_rename_from_traverse): Likewise.
8295 (ssa_rename_from_free): Likewise.
8296 (ssa_rename_from_print): Likewise.
8297 (ssa_rename_from_print_1): Likewise.
8298 (ssa_rename_from_hash_function): Likewise.
8299 (ssa_rename_from_equal): Likewise.
8300 (ssa_rename_from_delete): Likewise.
8301 (simplify_to_immediate_dominators): Removed in favor of
8302 flow.c:compute_immediate_dominators.
8303 (find_evaluations_1): Modified to work with hard registers.
8304 (insert_phi_node): Likewise.
8305 (insert_phi_nodes): Likewise.
8306 (struct rename_set_data): Updated prev_reg comment.
8307 (create_delayed_rename): Modified to work with hard registers.
8308 (RENAME_NO_RTX): Updated comment.
8309 (apply_delayed_renames): Modified to work with hard registers.
8310 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8311 (rename_block): Updated to use revised ssa_rename_to interface.
8312 (rename_registers): Updated to use revised ssa_rename_to and
8313 ssa_rename_from interface.
8314 (convert_to_ssa): Revised to use compute_immediate_dominators and
8315 deal with hard registers.
8316 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8317 registers. Added check for illegal unification of hard register.
8318 (make_equivalent_phi_alternatives_equivalent): Modified to work
8319 with hard registers.
8320 (compute_conservative_reg_partition): Likewise.
8321 (coalesce_if_unconflicting): Modified to work with hard registers
8322 and check for conflicting hard registers.
8323 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8325 (rename_equivalent_regs_in_insn): Modified to work with hard
8327 (record_canonical_element_1): Added definition.
8328 (check_hard_regs_in_partition): Added definition.
8329 (convert_from_ssa): Added data structure deallocation and check
8330 for illegal hard register unification.
8331 (conflict_hard_regs_p): Added definition.
8332 * toplev.c (rest_of_compilation): Added comment.
8334 2000-07-31 Anthony Green <green@redhat.com>
8336 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8338 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8340 * builtins.c (expand_builtin_apply): Don't defer pop during
8343 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8345 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8346 preferred_unit_stack_boundary when it is > 1.
8348 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8350 * c-common.c (init_function_format_info): Add C99 format functions
8353 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8354 void' or 'register void' as being the special case of 'void' alone
8355 in a parameter list.
8357 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8358 discarding qualifiers into a plain warning.
8360 2000-07-31 Kazu Hirata <kazu@hxi.com>
8362 * combine.c: Fix formatting.
8364 * h8300.md: Fix formatting.
8366 * local-alloc.c: Fix formatting.
8368 * h8300.c (get_shift_alg): Remove the variable alg.
8369 (emit_a_shift): Rearrange code to improve readability.
8371 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8373 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8374 HImode on all architectures and a combination of HImode and SImode
8375 on H8/300H and H8/S.
8377 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8379 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8381 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8384 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8386 * recog.c (extract_insn): Set operand_mode according to
8387 operand if match_operand is VOIDmode.
8389 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8391 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8393 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8395 * c-parse.in (extdefs): Call ggc_collect between external
8398 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8399 Richard Henderson <rth@cygnus.com>
8401 * Makefile.in (OBJS): Add doloop.o.
8402 * doloop.c: New file.
8404 * final.c (insn_current_reference_address): Return 0 before final.
8405 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8406 * jump.c (any_uncondjump_p): Likewise.
8407 * loop.c (indirect_jump_in_function): Make static.
8408 (strength_reduce): Call doloop_optimize.
8409 (insert_bct, instrument_loop_bct): Remove.
8410 * loop.h (doloop_optimize): Prototype.
8411 * recog.c (split_all_insns): Split all INSN_P.
8412 * toplev.c (flag_branch_on_count_reg): Default on.
8414 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8415 flag_branch_on_count_reg.
8416 * config/i386/i386.c (override_options): Likewise.
8417 * config/rs6000/rs6000.c (optimization_options): Likewise.
8419 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8421 (dbra_ge): Remove, as well as all it's splitters.
8423 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8426 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8427 (ia64_register_move_cost): Declare.
8428 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8429 (struct ia64_frame_info): Add ar_size.
8430 (ia64_compute_frame_size): Set it.
8431 (save_restore_insns): Save and restore ar.lc.
8432 (ia64_register_move_cost): New, moved from header file. Handle
8433 application registers.
8434 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8435 (emit_insn_group_barriers): Special case doloop_end_internal.
8436 (ia64_epilogue_uses): Mark ar.lc live at end.
8437 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8438 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8439 (FIRST_PSEUDO_REGISTER): Make room.
8440 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8441 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8442 (REG_ALLOC_ORDER): Update.
8443 (HARD_REGNO_MODE_OK): Update.
8444 (REGISTER_NAMES): Update.
8445 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8446 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8447 (REGNO_REG_CLASS): Update.
8448 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8449 (REGISTER_MOVE_COST): Move out of line.
8450 (PREDICATE_CODES): Update.
8451 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8452 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8453 (shladd_elim splitter): Allow constants in the predicate.
8454 (doloop_end, doloop_end_internal): New.
8456 2000-07-30 Richard Henderson <rth@cygnus.com>
8458 * genattrtab.c (struct insn_def): Add lineno member.
8459 (struct insn_ent): Likewise.
8460 (struct attr_desc): Likewise.
8461 (struct delay_desc): Likewise.
8462 (struct function_unit_op): Likewise.
8463 (struct function_unit): Likewise.
8464 (check_attr_value): Use message_with_line.
8465 (check_defs): Likewise.
8466 (expand_units): Likewise.
8467 (check_attr_test): Take a lineno argument.
8468 (gen_attr): Likewise.
8469 (gen_insn): Likewise.
8470 (gen_delay): Likewise.
8471 (gen_unit): Likewise.
8472 (main): Give it to them.
8473 (convert_set_attr_alternative): Take an insn_def argument
8474 instead of num_alt and insn_index.
8475 (convert_set_attr): Likewise.
8476 (write_test_expr): Protect INSN_ADDRESSES load
8477 with INSN_ADDRESSES_SET_P.
8479 2000-07-30 Richard Henderson <rth@cygnus.com>
8481 * flow.c (init_propagate_block_info): Use pc_set.
8483 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8485 * i386.md (*lea_general_[123]) New insns and splits.
8486 (addsi3 to lea splitter): Handle other modes too.
8487 (shlsi3 to lea splitter): Likewise.
8488 (addhi_1_lea, shlhi_1_lea): New patterns.
8489 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8491 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8493 * recog.c (general_operand, nonimmediate_operand): Accept
8494 any mode for VOIDmode CONSTANT_P operands.
8496 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8498 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8499 instead of replace_rtx.
8500 * recog.c (validate_replace_rtx_subexp): New function.
8501 * recog.h (validate_replace_rtx_subexp): Declare.
8503 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8505 * combine.c (simplify_set, make_extraction, make_compound_operation
8506 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8507 as force_to_mode argument.
8509 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8511 * combine.c (if_then_else_cond): Be sure that mode fits in
8514 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8516 * combine.c (record_promoted_value): Allow bitsize of mode
8517 to be equivalent to HOST_BITS_PER_WISE_INT.
8519 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8521 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8522 Do not call gen_mode_alignment when mode is BLKmode.
8524 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8526 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8528 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8530 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8531 VOIDmode implies both operands to be VOIDmode.
8532 (simplify_ternary_operation): Compute properly the mode of comparison.
8533 * combine.c (combine_simplify_rtx): Likewise.
8535 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8537 * basic-block.h (struct loops): New field rc_order.
8538 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8539 (flow_loops_free): Free rc_order.
8540 (flow_depth_first_order_compute): New parameter rc_order.
8541 (flow_loops_find): Allocate rc_order and swap usage with
8544 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8545 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8547 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8548 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8549 (nodb_call, return_from_epilogue): Likewise.
8550 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8551 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8552 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8553 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8554 (c4x_valid_type_attribute_p): Likewise.
8555 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8556 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8558 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8560 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8561 and loadhi_big_constant if applicable.
8562 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8563 and add new splitter.s
8565 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8567 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8569 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8571 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8573 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8575 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8577 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8579 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8581 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8583 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8584 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8585 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8586 (get_prev_bb_note): Likewise.
8587 (remove_scope_notes): Likewise.
8588 * flow.c (commit_one_edge_insertion): Likewise.
8589 (merge_blocks_nomove): Likewise.
8590 (verify_flow_info): Likewise.
8591 * gcse.c (insert_insn_end_bb): Likewise.
8592 * reg-stack.c (emit_swap_insn): Likewise.
8593 * ssa.c (first_insn_after_basic_block_note): New function.
8594 (insert_phi_node): Use it.
8595 (rename_block): Likewise.
8596 (eliminate_phi): Likewise.
8597 (make_regs_equivalent_over_bad_edges): Likewise.
8598 (make_equivalent_phi_alternatives_equivalent): Likewise.
8599 (for_each_successor_phi): Likewise.
8600 (convert_from_ssa): Modify phi-node deletion algorithm.
8602 2000-07-29 Andreas Jaeger <aj@suse.de>
8604 * configure.in (mips*-*-linux*): Use mips*el to check for little
8605 endian MIPS, add tmake_file.
8607 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8608 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8609 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8611 2000-07-28 Richard Henderson <rth@cygnus.com>
8613 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8614 Sign extend mode size before negating.
8616 2000-07-28 Richard Henderson <rth@cygnus.com>
8618 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8620 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8622 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8623 (cse_insn): Likewise.
8624 (addr_affects_sp_p): Likewise.
8625 * expr.c (move_by_pieces): Likewise.
8626 (clear_by_pieces): Likewise.
8627 * gcse.c (oprs_unchanged_p): Likewise.
8628 * haifa-sched.c (sched_analyze_2): Likewise.
8629 * recog.c (offsettable_address_p): Likewise.
8630 * regclass.c (record_address_regs): Likewise.
8631 * reload.c (find_reusable_reload): Likewise.
8632 (push_reload): Likewise.
8633 (operands_match_p): Likewise.
8634 (decompose): Likewise.
8635 (find_reloads_address_1): Likewise.
8636 (find_inc_amount): Likewise.
8637 * reload1.c (elimination_effects): Likewise.
8638 * resource.c (mark_set_resources): Likewise.
8639 * flow.c (attempt_auto_inc): New function; mostly broken out
8641 (find_auto_inc): Split into two functions and enhanced to
8642 generate POST_MODIFY.
8643 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8644 * rtl.h (count_all_occurrences): Declare.
8645 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8647 * rtlanal.c (count_all_occurrences): New function.
8648 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8649 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8651 * config/ia64/ia64-protos.h (destination_operand): Declare.
8652 * config/ia64/ia64.c (destination_operand): New function.
8653 (ia64_print_operand): Handle POST_MODIFY.
8654 (rtx_needs_barrier): Likewise.
8655 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8656 (HAVE_POST_MODIFY_REG): Define to 1.
8657 (MAX_REGS_PER_ADDRESS): Change to 2.
8658 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8659 (LEGITIMATE_ADDRESS_REG): New helper macro.
8660 (LEGITIMATE_ADDRESS_DISP): Likewise.
8661 (PREDICATE_CODES): Add entry for destination_operand.
8662 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8663 predicate for operand 0.
8665 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8667 * dwarf2out.c: Indent #error directive.
8669 * gbl-ctors.h: Fix typo in comment.
8670 (__do_global_ctors): Prototype.
8672 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8674 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8675 (print_operand): Initialize variable `t'.
8677 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8679 * config/arm/arm.md ("call_value"): removed constraints.
8680 Constraints are ignored in expanders.
8681 (*call_value_reg): split =rf into various constraints.
8682 (*call_value_mem): same
8683 (*call_value_symbol): same
8684 (*sibcall_value_insn): same
8686 2000-07-28 Philipp Thomas <pthomas@suse.de>
8688 * install.texi (--enable-nls): Change the description of the NLS
8689 related configure options to match the current state.
8690 (--with-included-gettext): Likewise.
8691 (--enable-maintainer-mode): New description added.
8692 * extend.texi (-fstrict-prototype): Add missing '.'.
8694 2000-07-27 Jim Wilson <wilson@cygnus.com>
8696 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8697 DECL_INITIAL (decl) == NULL_TREE.
8699 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8701 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8702 on insn-attr.h with it.
8703 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8704 * insn-addr.h: New header.
8705 (insn_addresses_): Renamed from insn_addresses.
8706 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8707 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8708 INSN_ADDRESSES_NEW): New macros.
8709 * genattrtab.c (write_test_expr): Use new macros.
8710 * final.c (insn_addresses, init_insn_lengths): Likewise.
8711 (align_fuzz, shorten_branches): Likewise.
8712 (final): Likewise. Do not reject new insns if their addresses
8713 have been added to INSN_ADDRESSES.
8714 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8715 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8716 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8717 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8718 * config/sh/sh.c: Likewise.
8719 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8721 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8723 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8725 * gcc.c (struct prefix_list): Add member priority.
8726 (enum path_prefix_priority): Declare.
8727 (add_prefix): Replace ``first'' with ``priority''. Append new
8728 entry but keep list in priority order.
8729 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8730 PREFIX_PRIORITY_LAST to add_prefix.
8731 (process_command): Move include kludge - foo/stageN - to before
8734 2000-07-27 Jason Merrill <jason@redhat.com>
8736 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8737 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8739 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8741 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8742 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8744 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8746 * c-decl.c (finish_function): Don't treat 'main' specially unless
8747 flag_hosted. In C99 mode, return 0 from 'main' unless
8748 DEFAULT_MAIN_RETURN is otherwise defined.
8750 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8751 parameters defaulting to int in an old-style function definition.
8753 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8755 * c-parse.in (string): For -Wtraditional, warn about string
8756 concatenation only once per line.
8758 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8760 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8761 for HI-UX/WE2 systems.
8763 2000-07-24 Bruce Korb <bkorb@gnu.org>
8765 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8766 defining the __xxx_TYPE__ macros.
8767 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8768 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8769 * fixincl/inclhack.def(type_map): now obsolete
8771 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8773 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8775 2000-07-26 Dave Pitts <dpitts@cozx.com>
8777 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8779 (mvs_hash_alias): New function.
8780 (mvs_add_alias): Change argument spacing.
8781 (mvs_need_alias): Change aliasing criteria. Added documentation.
8782 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8783 CSECT name collisions.
8784 (mvs_check_alias): Likewise.
8785 (handle_pragma): Change documentation.
8786 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8787 mode from SImode to DImode.
8788 (iorhi3): Changed LTORG size for insn.
8790 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8792 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8793 mem if the address is a mode_dependent_address_p.
8795 2000-07-26 Kazu Hirata <kazu@hxi.com>
8797 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8798 suitable for 8-bit absolute.
8799 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8800 (OK_FOR_U): Add a case for the 8-bit constant address on the
8803 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8805 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8806 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8807 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8808 lack of implemented alignment.
8810 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8812 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8813 cross-compiling between 64-bit and 32-bit machines.
8815 2000-07-27 Richard Henderson <rth@cygnus.com>
8817 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8818 (movhicc_astep, movhi_internal_astep): New.
8819 (movsicc_astep, movsi_internal_astep): New.
8820 (movdicc_astep, movdi_internal_astep): New.
8821 (movsfcc_astep, movsf_internal_astep): New.
8822 (movdfcc_astep, movdf_internal_astep): New.
8823 (movxfcc_astep, movxf_internal_astep): New.
8824 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8825 Unify the cmov[ds]i splitters.
8827 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8829 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8831 2000-07-26 Nick Clifton <nickc@cygnus.com>
8833 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8834 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8836 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8837 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8839 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8841 * c-decl.c (finish_enum): Convert enumerations that fit in an
8843 (build_enumerator): In pedantic mode, cast to `int' those that
8846 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8848 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8850 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8852 * sh.md (cmpgtdi_t): Must be split.
8853 (cmpgtdi_t+1): New splitter.
8855 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8857 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8858 warnings for indented directives even if we are skipping.
8860 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8862 * invoke.texi (strict-prototypes): Remove.
8863 * extend.texi (Deprecated Features): Add strict-prototypes.
8864 (Backwards Compatibility): New node.
8866 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8868 * config/i386/i386.md (andsi_1+1): Allow HImode.
8869 (andsi_1+2): Require q_regs_operand.
8871 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8873 * config/i386/i386.md (call_pop): Check operands[0],
8874 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8876 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8877 (call_value): Likewise.
8879 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8881 * toplev.c (pipe_closed): Delete.
8882 (crash_signal): New. Generate ICE for a fatal signal.
8883 (float_signal): Call crash_signal outside a float-handler
8885 (main): Install crash_signal as handler for core-dumping signals.
8887 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8889 * rs6000.c (print_operand, case 'T'): New case.
8891 * rs6000.md (call_indirect_aix32): Convert to expander of
8892 scheduled instructions.
8893 (call_indirect_aix64): Likewise.
8894 (call_value_indirect_aix{32,64}): Likewise.
8895 (call, call_value): Invoke expanders for AIX. Fall through to
8897 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8898 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8899 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8900 only "g" constraint.
8901 (call_nonlocal_aix64): Likewise.
8902 (call_value_nonlocal_aix{32,64}): Likewise.
8903 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8905 (call_value_nonlocal_sysv): New pattern.
8906 (indirect_jump{si,di}): Use new 'T' modifier.
8907 (tablejump{si,di} matchers): Likewise.
8908 (return_internal_{si,di}): Likewise.
8909 (return_eh_{si,di}): Likewise.
8911 2000-07-24 Richard Henderson <rth@cygnus.com>
8913 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8914 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8915 * config/ia64/ia64.md (movdi_internal): Use it.
8917 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8919 * cppexp.c: Warn about unary + if -Wtraditional.
8920 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8922 2000-07-24 Michael Meissner <meissner@redhat.com>
8924 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8927 2000-07-24 Nick Clifton <nickc@cygnus.com>
8929 * config/arm/arm.c (emit_multi_reg_push): Generate a
8930 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8931 dwarf2out_debug_frame_expr.
8933 2000-07-24 Jason Merrill <jason@redhat.com>
8935 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8936 UNALIGNED_INT_ASM_OP.
8937 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8938 a location expression.
8939 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8940 assume indirect access if we're saving the CFA address exactly.
8942 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8944 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8946 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8949 2000-07-24 Michael Meissner <meissner@redhat.com>
8951 * invoke.texi (D30V Options): Add d30v options.
8953 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8955 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8956 needed by our gcse pass anymore.
8957 (free_pre_mem): Corresponding changes.
8958 (compute_pre_data): Do not call compute_transpout anymore.
8960 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8961 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8964 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8965 (compute_pre_data): Do it here instead.
8967 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8969 (pre_delete): Corresponding changes.
8971 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8973 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8974 to figure out whether or not a variable has already been emitted.
8976 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8978 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8979 instead of gen_call.
8981 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8983 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8985 2000-07-23 Kazu Hirata <kazu@hxi.com>
8987 * h8300.c: Fix formatting.
8989 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8991 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8992 for `long' switch expression into a plain warning.
8994 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8995 (yylex): Don't pedwarn for "inline" in C99 mode.
8997 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8999 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9000 ggc_alloc): Likewise.
9001 * bb-reorder.c (dump_scope_forest_1): Likewise.
9003 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9005 * reload.c (find_reloads_toplev): Add new parameter
9007 (find_reloads): Add new parameter to find_reloads_toplev calls.
9009 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9011 * collect2.c (main): Typo fixed.
9012 * diagnostic.c: Typo fixed.
9013 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9014 * eh-common.h: Typo fixed.
9015 * emit-rtl.c (start_sequence): Typo fixed.
9016 * flow.c (find_label_refs): Typo fixed.
9017 (calculate_global_regs_live): Typo fixed.
9018 (mark_regno_cond_dead): Typo fixed.
9019 (create_edge_list): Typos fixed.
9020 (verify_edge_list): Typo fixed.
9021 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9022 * loop.c (strength_reduce): Typo in function name fixed.
9023 * rtl.h: Added comments. Typo in function name fixed.
9024 * rtlanal.c: Typo in function name fixed.
9025 (insn_dependant_p): Rename to ...
9026 (insn_dependent_p): ... this.
9027 (computed_jumo_p): Typo fixed.
9029 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9031 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9033 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9035 * rs6000.h (SIZE_TYPE): Define.
9037 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9039 * ssa.c (rename_insn_1): Don't rename registers that are
9042 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9044 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9046 (fatal_function, set_fatal_function): Removed.
9047 (fatal): Don't prepare for or call the fatal_function.
9048 (diagnostic_lock, error_recursion): New.
9049 (diagnostic_for_decl, report_diagnostic): Guard against
9050 re-entering the error reporting routines.
9051 (fancy_abort): Assume function is not NULL.
9053 * errors.c (fancy_abort): New. Assume function is not NULL.
9054 * tradcpp.c (fancy_abort): Assume function is not NULL.
9056 * system.h: Provide default definition of __FUNCTION__.
9057 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9058 Always use __FUNCTION__ in definition of abort.
9060 * varray.h: Likewise.
9061 * toplev.h: Likewise. Don't prototype set_fatal_function.
9063 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9065 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9067 * glimits.h: Don't do #if defined for ARCH_PPC.
9069 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9070 constants of size no larger than a pointer should go in the TOC.
9071 Add 'MODE' parameter.
9072 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9073 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9074 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9075 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9076 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9077 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9078 (rs6000_legitimize_address): Likewise.
9079 (rs6000_emit_move): Likewise.
9080 (rs6000_select_rtx_section): Likewise.
9081 (output_toc): Deal properly with outputting small constants like
9082 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9083 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9084 MODE parameter. Put small constants in the TOC.
9086 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9088 (rs6000_emit_move): When reload calls us with an illegitimate
9089 address, exit early. Move the change_address calls to one place
9090 at the end of the routine. Merge the SImode and DImode expanders.
9091 When called by reload to put an integer into a FP register, force
9094 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9096 (rs6000_hash_constant): Hash mode too.
9097 (toc_hash_function): Allow for key_mode.
9098 (toc_hash_eq): Structures are different if key_mode differs.
9099 (output_toc): Add 'mode' parameter. Save key_mode.
9100 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9101 Pass 'mode' parameter.
9102 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9104 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9105 for vtable references.
9107 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9108 choice, don't put integer values in FP regs.
9110 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9112 * flow.c (verify_flow_info): Revamp code to verify that the
9113 head and end of each basic block are in the insn chain.
9115 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9117 * gcse.c (record_one_set): Prepend instead of append onto
9118 reg_set_table, making it O(n) instead O(n^2).
9119 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9120 Use a queue instead of a stack as worklist.
9122 2000-07-20 Kazu Hirata <kazu@hxi.com>
9124 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9125 * h8300.h (OK_FOR_T): New.
9126 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9127 * h8300.md: Use inc/dec.[wl] for increment/decrement
9128 by 1 and 2 in HI and SI modes.
9130 2000-07-20 Jim Wilson <wilson@cygnus.com>
9132 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9133 larger than 14 bits.
9135 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9137 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9138 (count_params): Don't set GNU_REST_ARGS on anything.
9139 (save_expansion): Set PASTE_LEFT only on tokens for which
9140 CAN_PASTE_AFTER is true, or which are named operators.
9142 * cpplex.c (parse_args): Distinguish between a rest argument
9143 given one empty argument, and a rest argument given zero arguments.
9144 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9145 deletion of previous token based on that.
9146 (get_raw_token): Flatten some control structure.
9148 * cpplib.h (CPP_LAST_EQ): Correct.
9149 (VOID_REST): New token flag.
9150 (GNU_REST_ARGS): Delete.
9152 * tradcpp.c (main): Don't munge -D options.
9153 (make_definition): Bring -D handling in line with cpplib.
9154 (do_define): Strip all leading whitespace from macro definitions.
9156 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9158 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9160 2000-07-20 Bruce Korb <bkorb@gnu.org>
9162 * fixincl/check.tpl: strip the platform specific types before testing
9163 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9164 * fixincl/fixincl.tpl: use platform specific types
9165 * fixincl/fixlib.h: include the platform specific types
9166 * fixincl/inclhack.def(gnu_types): don't supply the types
9167 * fixincl/fixincl.x: regen
9169 2000-07-19 Jim Wilson <wilson@cygnus.com>
9171 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9174 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9176 * tradcpp.c (rescan): Do not recognize directives when the #
9179 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9181 Implement C++ named operators.
9183 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9184 of operators allowed in #if and having an _EQ variant. Add
9185 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9186 (cpp_token flags): Add NAMED_OP.
9187 (enum node_type): Add T_OPERATOR.
9188 (struct cpp_hashnode): Add code slot to value union.
9189 * cpphash.h (spec_nodes): Remove n_defined.
9191 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9192 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9193 (is_macro_disabled): Tweak error messages.
9195 * cpplib.c (get_define_node): Disallow all named operators as
9196 macro names. Tweak error messages.
9197 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9199 * cppinit.c (builtin_array): Add entries for the named operators.
9200 * cppexp.c (lex): Check for CPP_DEFINED token.
9201 (priority table): Add entries for CPP_MIN and CPP_MAX.
9202 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9204 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9206 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9207 larger than the array of cuids.
9208 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9211 2000-07-19 Bruce Korb <bkorb@gnu.org>
9213 * fixinc/fixincl.c: Convert to using a table of environment variables
9214 and activate the auto-edit marker on the fixed output files.
9215 * fixinc/fixlib.h: Define the environment table
9216 * fixinc/fixincl.sh: export the ${INPUT} dir
9217 * fixinc/check.tpl: likewise
9219 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9221 * gcc.c (.h spec): Fix typo.
9223 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9225 * Makefile.in: Fix tradcif.c path.
9227 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9229 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9232 * cpphash.h (TOKEN_NAME): New macro.
9233 (_cpp_spell_operator): Deleted.
9234 (token_spellings): Now _cpp_token_spellings.
9236 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9237 * cpplex.c: Use OP and TK macros when expanding the
9238 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9239 store the stringification of the enumeration name (CPP_CHAR,
9240 etc.) in the name slot of token_spellings.
9241 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9242 token_spellings directly.
9243 * cpplib.c: Use TOKEN_SPELL.
9245 * cpplex.c (_cpp_push_token): If the token being pushed back
9246 is the previous token in this context, just subtract one from
9248 * cppmacro.c (save_expansion): Clear aux field when storing a
9251 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9253 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9254 buffer, provided it is not NULL.
9256 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9258 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9259 case of invalid volatile re-declaration.
9261 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9263 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9264 (expand_call): Adjust caller.
9266 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9268 * diagnostic.h (report_diagnostic): Change prototype.
9270 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9271 diagnostic_for_decl): Change prototype.
9272 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9273 error, warning, error_with_file_and_line,
9274 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9275 Adjust call to report_diagnostic, diagnostic_for_decl.
9276 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9277 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9279 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9280 varaible argument list.
9282 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9284 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9285 moved to cppmacro.c.
9286 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9287 dump_hash_helper): Delete.
9288 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9289 cpp_forall_identifiers): New. Implement specialized version of
9290 Vlad's expandable hash table.
9291 (cpp_lookup): Use new functions.
9292 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9294 * cppmacro.c: New file.
9295 * cppinit.c (dump_macros_helper): New.
9296 (cpp_finish): Iterate over the identifier table directly.
9297 * cpplex.c (parse_name): Calculate the hash of the identifier
9298 while we scan it. Use _cpp_lookup_with_hash when we can.
9300 * cpphash.h: Update prototypes.
9301 (xcnewvec, HASHSTEP): New helper macros.
9302 * cpplib.h: Update prototypes.
9303 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9304 (cppmacro.o): New rule.
9305 (cpphash.o): Update deps.
9307 * cppmain.c: Do not set pfile->printer if no_output is on.
9309 2000-07-15 Neil Booth <neilb@earthling.net>
9311 * cpplib.c: Change all directive-handler functions to return
9313 * cpphash.h: Update typedefs.
9315 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9317 * configure: Regenerate.
9319 * extend.texi (Extended Asm): Mention that a memory clobber
9320 does not count as a side-effect.
9322 * unroll.c (copy_loop_body): Fix one instance of using host
9323 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9326 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9328 2000-07-17 Richard Henderson <rth@cygnus.com>
9330 * config/ia64/ia64.md (movdi): Split out load address code.
9331 New post-reload splitter for symbolic operands.
9332 (movdi_internal): Abort if we didn't split symbolic operands
9333 when we should have.
9334 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9335 (ia64_reorg): Split insns when not optimizing.
9336 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9338 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9340 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9341 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9343 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9345 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9347 2000-07-17 Jason Merrill <jason@redhat.com>
9349 * Makefile.in (clean): Remove libgcc directory.
9351 * configure.in (-Wno-long-long check): Use higher-level macros.
9353 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9355 * simplify-rtx.c (simplify_binary_operation): Recognize
9356 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9357 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9358 a CONST_INT, it will always be zero.
9360 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9362 * loop.c (check_dbra_loop) : Return if more than one condition is
9363 present to control the loop.
9365 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9367 * mips.c (mips_expand_prologue): Don't calculate the last argument
9368 register unless we need it. When we are calculating this, make
9369 sure FUNCTION_ARG is giving us a REG.
9371 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9373 * flow.c (libcall_dead_p): Use single_set to verify the insn
9374 has only one set and get for analysis.
9375 (propagate_one_insn): Don't pass the PATTERN of the insn.
9377 2000-07-17 Mark Klein <mklein@dis.com>
9379 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9381 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9383 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9384 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9385 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9386 of second argument of getgroups.
9387 * configure, config.in: Rebuilt.
9389 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9391 * simplify-rtx.c (simplify_relational_operation): Two signed
9392 values with equal high words are less/greater than each other if
9393 their low words are less/greater when considered as unsigned.
9395 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9397 * configure.in (vax-*-openbsd): Change to new style configuration,
9398 add collect2/float_format information.
9399 * configure: Rebuilt.
9400 * config/vax/openbsd1.h: New.
9401 * config/vax/openbsd.h: New.
9402 * config/vax/t-openbsd: New.
9404 2000-07-17 Chip Salzenberg <chip@valinux.com>
9406 * c-common.c (shorten_compare): Quiet warnings about unsigned
9407 comparisons with zero when they occur in a system header.
9409 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9411 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9412 update to describe current practice.
9414 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9416 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9417 references to C9X. Change references to -fstd and -flang-isoc9x
9420 * c-common.c (scan_char_table): Allow "z" length modifiers on
9422 (check_format_info): Use TYPE_DOMAIN on the type matched against
9423 for "z" formats, to retrieve the language size_t rather than the
9426 * c-common.c (check_format_info): Do not make a pedantic objection
9427 to the 'L' length modifier if used with a floating point type
9430 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9431 constants in C99 mode.
9433 2000-07-17 Kazu Hirata <kazu@hxi.com>
9435 * h8300.md: Fix the format of mac.
9436 (movsi_h8300hs): Output a tab after stmac instead of a space.
9438 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9439 profitable adds/subs sequences.
9441 * fold-const.c: Fix comment typos.
9443 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9445 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9447 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9449 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9451 2000-07-16 Neil Booth <NeilB@earthling.net>
9453 * cpplex.c: Update comments.
9454 * README.Portability: Small update.
9456 2000-07-16 Neil Booth <NeilB@earthling.net>
9458 * README.Portability: Small update.
9460 2000-07-15 Richard Henderson <rth@cygnus.com>
9462 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9463 * config/ia64/ia64.c (ia64_move_ok): New function.
9464 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9465 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9467 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9469 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9470 immediately following a paste operator.
9471 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9472 (cpp_reader_init): Call it, if HOST_EBCDIC.
9473 (cpp_handle_options): Do not sort option list here.
9474 (handle_option): Rename to cpp_handle_option and export.
9475 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9476 _cpp_get_token directly.
9477 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9478 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9479 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9482 2000-07-15 Richard Henderson <rth@cygnus.com>
9484 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9485 cast around an expression. Tidy other unsigned tests.
9487 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9489 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9490 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9491 (v_message_with_decl): Rename to ...
9492 (format_with_decl): ... this. Tweak
9493 (diagnostic_for_decl): New function.
9494 (fatal_io_error): Use verbatim in lieu of notice.
9495 (announce_function): Use verbatim.
9496 (default_print_error_function): Likewise.
9497 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9500 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9502 * mips.c (function_arg_pass_by_reference): Don't do automatic
9503 aggregate initialization.
9504 (machine_dependent_reorg): Initialize variable `mode'.
9506 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9507 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9508 conflicts with sys/param.h macro of the same name.
9509 (reload_outdi): Likewise.
9511 2000-07-15 Michael Meissner <meissner@redhat.com>
9513 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9514 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9515 create a new node instead.
9517 2000-07-15 Neil Booth <NeilB@earthling.net>
9519 * README.Portability: Correct example about calling a function
9520 through a pointer to function. Format wide paragraphs.
9522 2000-07-15 Michael Meissner <meissner@redhat.com>
9524 * README.Portability: Update integer suffixes and function
9527 2000-07-15 Neil Booth <NeilB@earthling.net>
9529 * README.Portability: Small update.
9531 2000-07-15 Neil Booth <NeilB@earthling.net>
9533 * README.Portability: New file.
9535 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9537 * INSTALL: Give special instructions for building GCC on Irix 6.
9538 * config/mips/x-iris6 (CC): Don't set it.
9541 2000-07-14 Jason Merrill <jason@redhat.com>
9543 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9544 register in the stack and later in another register, use the new
9547 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9549 * config/mips/mips.md: (absdi2): Handle sign_extend for
9552 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9554 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9556 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9558 * .cvsignore: Correct typo.
9560 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9562 * .cvsignore: Add generated YACC files.
9563 * objc/.cvsignore: New file.
9565 2000-07-14 Neil Booth <NeilB@earthling.net>
9567 * cpplex.c (adjust_column): New funcion.
9568 (skip_whitespace): Use it.
9569 (skip_block_comment): Use it, and warn about /*/* with
9572 2000-07-14 Neil Booth <NeilB@earthling.net>
9574 * cpphash.c (struct macro_info): Add new members.
9575 (_cpp_free_definition): Delete the macro directly.
9576 (count_params): Return void, with first token of
9577 expansion in struct macro_info on success.
9578 (parse_define): Return int. Hoist syntax checking from
9579 save_macro_expansion. Leave call to save_expansion to
9580 _cpp_create_definition.
9581 (alloc_macro): Needs just 2 arguments.
9582 (free_macro): Delete.
9583 (save_expansion): Don't perform syntax check.
9584 (_cpp_create_definition): Call save_expansion.
9586 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9588 * genrecog.c (write_header): Split long string.
9590 * cpphash.c (macro_info): Don't use the `signed' keyword.
9592 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9594 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9596 * calls.c (stored_args_map): New variable.
9597 (check_sibcall_argument_overlap_1): New.
9598 (check_sibcall_argument_overlap): New.
9599 (expand_call): Initialize stored_args_map.
9600 Call check_sibcall_argument_overlap.
9602 2000-07-13 Bruce Korb <bkorb@gnu.org>
9604 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9605 (emit_gnu_type): utility procedure for gnu_type_fix
9606 (gnu_type_fix): implement various pre-processor guards around
9607 standard types so these types can be defined over and over
9608 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9609 types alluded to above will have GNU-compliant base types
9610 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9611 * fixinc/inclhack.def: add test_text entries and utilize the new
9612 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9613 * fixinc/fixincl.x: regenerate
9615 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9617 * diagnostic.c (vline_wrapper_message_with_location,
9618 v_message_with_file_and_line, v_error_with_file_and_file,
9619 v_error_for_asm, v_warning_for_asm, vfatal,
9620 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9621 vsorry, verror, vwarning, vpedwarn): Remove.
9622 (diagnostic_for_asm): New function.
9623 (pedwarn, error, warning, pedwarn_with_file_and_line,
9624 error_with_file_and_line, warning_with_file_and_line, sorry,
9625 error_for_asm, warning_for_asm, fatal): Reimplement.
9626 (finish_diagnostic): Clear diagnostic info as well.
9628 2000-07-13 Neil Booth <NeilB@earthling.net>
9630 * c-common.h (flag_digraphs): New.
9631 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9632 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9635 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9637 * gcc.c (do_spec_1): Add new %B operator.
9638 (set_input): Prepare for %B.
9640 (link_command_spec): Move up with the other tm.h-
9641 overrideable specs. Factor out the portion conditional on
9642 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9643 (struct compiler): Just have a single spec string. All users
9645 (default_compilers): Remove unnecessary braces.
9646 (static_specs): Update.
9648 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9650 (C and assembly specs): Use the new named specs, as appropriate.
9652 * objc/lang-specs.h: Use the new named specs.
9653 Remove unnecessary braces.
9655 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9657 * gcc.c (execute): If a subprocess gets a fatal signal, report
9658 strsignal() of the signal number, and ask for a bug report.
9659 Do not do this for SIGPIPE if there's already been an error.
9661 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9664 * tradcif.c: Remove.
9666 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9668 * final.c (profile_function): Do not emit profile counters in
9669 the data section, if NO_PROFILE_COUNTERS is defined.
9670 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9673 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9674 (FUNCTION_PROFILER): Just emit a call to mcount.
9676 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9678 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9680 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9681 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9682 traditional, lang_chill, or lang_fortran.
9684 * cppfiles.c: #undef strcmp to suppress warning about macros
9685 used without arguments.
9686 (_cpp_execute_include): Use f, not fname, in "No include path"
9688 (_cpp_pop_file_buffer): New function.
9689 * cpplib.c: Don't include <sys/mman.h>.
9690 (cpp_push_buffer): Set line_base and lineno in new buffer.
9691 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9693 * cpplex.c: Move all prototypes and structure declarations to the
9694 top of the file. Properly parenthesise some macro arguments.
9695 (cpp_scan_line): New function.
9696 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9697 don't need to walk up the stack counting.
9699 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9701 * c-common.c (combine_strings): Emit a pedantic warning when a
9702 string length is greater than the minimum ANSI C is required
9705 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9707 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9708 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9710 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9712 * c-decl.c (define_label): Warn about identifier conflicts with
9713 labels in traditional C.
9715 * c-parse.in (unop +): Warn about the unary plus operator for
9718 * c-typeck.c (store_init_value): Warn about automatic aggregate
9719 initialization for traditional C.
9721 * invoke.texi (-Wtraditional): Document new warnings.
9723 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9725 * Makefile.in (c-errors.o): Fix thinko in dependency.
9727 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9729 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9730 -traditional, -ftraditional, or -traditional-cpp was given.
9731 Do not pass -traditional to the preprocessor.
9732 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9733 preprocessor does it automatically.
9734 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9736 * ch/lang-specs.h: Always use tradcpp. Do not pass
9737 -traditional, -trigraphs, or -pedantic to the preprocessor.
9738 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9741 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9743 * cppexp.c (LOGICAL): Delete macro.
9744 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9747 * cpphash.c (HASHSIZE): Increase to 4096.
9748 (struct hashdummy): Add hash field.
9749 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9750 the string values using memcmp.
9751 (cpp_lookup): Set dummy.hash.
9753 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9755 * configure.in (m88k-openbsd): Express configuration using new fragment
9757 * configure: Rebuilt.
9758 * m88k/aout-dbx.h: New.
9759 * m88k/openbsd.h: New.
9760 * m88k/xm-openbsd.h: New.
9762 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9764 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9766 2000-07-12 Richard Henderson <rth@cygnus.com>
9768 * reload.c (push_secondary_reload): Make sure to add the new
9769 reload at the end, after acquiring secondary memory.
9771 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9773 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9775 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9776 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9778 * c-parse.in (stmt): Delete unused variables.
9780 * convert.c (convert_to_vector): Likewise.
9782 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9784 * tree.c (finish_vector_type): Prototype.
9786 2000-07-12 Bruce Korb <bkorb@gnu.org>
9788 * fixinc/fixfixes.c: use xmalloc
9789 * fixinc/fixincl.c(initialize): set program name for xmalloc
9790 * fixinc/fixlib.c(must_malloc): obsolete
9791 (is_cxx_header): no longer used - disabled
9792 (skip_quote): inserted and disabled for future use
9793 * fixinc/fixlib.h: reflects above
9794 * fixinc/fixtests.c: removed dinkleberries
9796 2000-07-12 Neil Booth <NeilB@earthling.net>
9798 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9799 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9801 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9802 struct toklist_dummy): New.
9803 (cpp_free_definition): Free macros with free_macro.
9804 (count_params): Don't save paramter spellings. Save macro
9805 information in a struct macro_info.
9806 (parse_define): Don't allocate a token list.
9807 (save_expansion): Allocate the macro's token list, and
9808 save parameter spellings if necessary. Use TOKEN_SPELL.
9809 (cpp_create_definition): Make list const.
9811 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9813 * c-typeck.c (pedwarn_c99): Move to
9814 * c-errors.c: ... Here.
9815 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9816 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9817 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9818 (c-errors.o): List dependency.
9820 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9822 * c-parse.c: Remove.
9823 * c-parse.h: Likewise.
9824 * c-parse.y: Likewise.
9825 * objc/objc-parse.c: Likewise.
9826 * objc/objc-pasre.y: Likewise.
9828 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9830 * gcc.texi: Fix minor typos
9831 * extend.texi: Fix minor typos
9833 2000-07-11 Marc Espie <espie@openbsd.org>
9835 * collect2.c (main): Recognize .lo as object files.
9837 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9839 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9842 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9843 with MAP_ANONYMOUS and MAP_ANON.
9844 * configure, config.in: Rebuilt.
9846 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9848 * diagnostic.c (save_output_state): Remove.
9849 (restore_output_state): Likewise.
9850 (clear_text_info): New function.
9851 (clear_diagnostic_info): Likewise.
9852 (output_text_length, is_starting_newline, output_prefix,
9853 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9854 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9855 (set_real_maximum_length, output_set_maximum_length,
9856 output_set_prefix, output_get_prefix, output_set_maximum_length,
9857 output_destroy_prefix, init_output_buffer,
9858 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9859 output_add_newline, output_add_character, output_add_space,
9860 output_append_r, output_append, wrap_text, output_format,
9861 output_do_printf, output_printf, output_do_verbatim,
9862 output_verbatim, verbatim): Use them.
9863 (output_clear): Split into cleat_text_info and
9864 clear_diagnostic_info.
9865 (struct output_state): Move to...
9867 * diagnostic.h: ...Here
9868 (struct output_buffer): Adjust.
9870 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9872 * cpplex.c (parse_name): No longer inline (premature optimization).
9873 (do_pop_context): Fold into pop_context.
9874 (pop_context): Returns int.
9875 (lex_next): Hoist test for end of directive into pop_context.
9876 (push_macro_context): Returns int; takes just reader and token.
9877 Hoist test for excessive nesting to caller.
9878 (push_arg_context): Returns void; takes just reader and token.
9879 Do not call stringify_arg or get_raw_token.
9880 (get_raw_token): Convert tail recursion through push_arg_context
9881 to a loop at this level. Call stringify_arg here if appropriate.
9882 (maybe_paste_with_next): Convert tail recursion to a while loop.
9883 Hoist test of paste_level to caller.
9885 (stringify_arg): Push arg context at beginning.
9886 (cpp_get_token): Split out core into _cpp_get_token. Call
9887 process_directive here. Throw away CPP_PLACEMARKER tokens.
9888 (_cpp_get_token): Convert tail recursion through
9889 push_macro_context to a loop at this level.
9890 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9891 _cpp_get_raw_token): Use _cpp_get_token.
9892 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9893 not call pop_context.
9894 (_cpp_run_directive): Call lex_next directly.
9896 * cpphash.h: Prototype _cpp_get_token.
9897 * cppexp.c (lex): Use it.
9898 * cpphash.c (parse_define): Use it.
9899 * cpplib.c (get_define_node, do_undef, parse_include,
9900 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9901 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9902 parse_ifdef, validate_else): Use it.
9903 (cpp_push_buffer): Tweak error message; abort if anyone tries
9904 to push a buffer while macro expansions are stacked.
9906 2000-07-11 Donn Terry <donnte@microsoft.com>
9908 * cpplex.c (free_macro_args, save_token): Cast arg of free
9909 and/or xrealloc to PTR.
9910 (_cpp_init_input_buffer): Clear all fields of the base context.
9912 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9914 * gensupport.c (process_rtx): Make rtl checking stop
9915 complaining about the define_insn while it is being
9916 converted from a define_insn_and_split.
9918 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9920 * config/mips/mips.c (simple_memory_operand): Access the
9921 INTVAL of the address, not it's containing MEM.
9923 2000-07-11 Bruce Korb <bkorb@gnu.org>
9925 * fixinc/fixtests.c(double_slash): obsolete
9926 (else_endif_label): likewise
9927 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9928 (libc1_ifdefd_memx): correct initial comment
9929 and omit the #if/#endif pair from the memxxx declarations
9930 * fixinc/fixincl.x: regen
9932 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9934 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9936 2000-07-11 Neil Booth <NeilB@earthling.net>
9940 2000-07-11 Neil Booth <NeilB@earthling.net>
9942 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9943 (handle_option): Set digraphs according to standard.
9944 Merge OPT_lang_c89 handler with OPT_std_c89.
9946 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9947 accordance with the digraphs flag.
9949 * cpplib.h: (struct cpp_options): New option digraphs.
9951 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9952 Bruce Korb <bkorb@gnu.org>
9954 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9955 * fixinc/fixincl.x: Regenerate.
9956 * fixinc/tests/base/testing.h: Add testcase.
9958 2000-07-10 Richard Henderson <rth@cygnus.com>
9960 * config/ia64/ia64.c (got_symbolic_operand): New.
9961 (symbolic_operand, move_operand): Revert 0701 change.
9962 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9963 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9964 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9965 split the offset into a 14-bit low part instead of a 13-bit low part.
9966 (load_fptr): Mark the mem as unchanging.
9967 (load_symptr): Use got_symbolic_operand.
9969 2000-07-10 Nick Clifton <nickc@cygnus.com>
9971 * libgcc2.c (next_stack_level): Cast result of computation to
9972 (void **) so that the assignment does not generate a warning.
9974 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9976 * flags.h : Add new variable flag_single_precision_constant.
9977 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9978 (flag_single_precision_constant): New.
9979 * c-lex.c (yylex): Convert floating point constant to single
9981 * invoke.texi : Add documentation for this new option.
9983 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9985 * diagnostic.c (output_octal): Second parameter is unsigned.
9986 (output_long_octal): Likewise.
9987 (output_hexadecimal): Likewise.
9988 (output_long_hexadecimal): Likewise.
9989 (output_format): Adjust arguments extraction. Tweak.
9990 (output_verbatim, verbatim): End variable argument list.
9991 (report_diagnostic): Improve documentation.
9993 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9995 * c-common.h (build_stmt): Declare.
9996 (build_continue_stmt): Likewise.
9997 (build_break_stmt): Likewise.
9998 (build_return_stmt): Likewise.
10000 * c-decl.c (do_case): Rewrite to do what previously done in
10003 * c-semantics.c (build_stmt): Define.
10004 (build_return_stmt): Likewise.
10005 (build_break_stmt): Likewise.
10006 (build_continue_stmt): Likewise.
10007 (build_case_label): Likewise.
10009 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10010 (CONTINUE): Likewise.
10011 (RETURN): Likewise.
10013 (DEFAULT): Likewise.
10015 * c-parse.y: Regenerate.
10016 * c-pasre.c: Likewise.
10018 2000-07-09 Jason Merrill <jason@redhat.com>
10020 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10022 * tree.h (STRIP_NOPS): Check for error_mark_node.
10023 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10024 (dwarf2out_*): Remove duplicate declarations.
10026 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10027 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10029 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10031 * diagnostic.c (wrap_text): New function.
10032 (maybe_wrap_text): Likewise.
10033 (output_add_string): Use it.
10034 (output_format): Likewise.
10035 (count_error): Use verbatim instead of notice.
10036 (report_error_function): Likewise. Don't use plain fprintf.
10037 (finish_diagnostic): New function.
10038 (output_do_verbatim): Tweak. Commonalize functionalities in
10039 output_verbatim and verbatim.
10040 (output_verbatim): Adjust.
10041 (verbatim): Likewise.
10042 (report_diagnostic): Define.
10044 * diagnostic.h (report_diagnostic): Prototype.
10046 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10048 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10050 2000-07-09 Neil Booth <NeilB@earthling.net>
10052 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10053 IShspace, ISspace: Update.
10055 * cppinit.c: ISTABLE: Update.
10058 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10059 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10060 (skip_block_comment, skip_line_comment, parse_string,
10061 lex_line): Use is_vspace rather than IS_NEWLINE.
10062 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10063 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10065 (lex_next): Unconditionally stop if within a directive.
10066 Treat directives within macro invocations as directives
10067 (after parse_args emits error), not as the argument.
10069 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10071 * diagnostic.c (diagnostic_args): New macro.
10072 (diagnostic_msg): Likewise.
10073 (output_formatted_integer): Likewise.
10074 (output_state): New data type.
10075 (digit_buffer): Make global.
10076 (output_add_integer): Rename to output_decimal. Squeeze
10078 (output_long_decimal, output_unsigned_decimal,
10079 output_long_unsigned_decimal, output_octal, output_long_octal,
10080 output_hexadecimal, output_long_hexadecimal): New functions.
10081 (output_append_r): New function.
10082 (output_append): Tweak.
10083 (output_flush_on): Rename to output_to_stream.
10084 (output_format): Change prototype. Improve documentation. Handle
10085 more format specifiers.
10086 (build_location_prefix): Rename to context_as_prefix.
10087 (output_notice): Rename to output_do_printf.
10088 (output_printf): Tweak.
10089 (line_wrapper_printf): Likewise.
10090 (vline_wrapper_message_with_location): Adjust call to renamed
10092 (v_message_with_decl): Likewise.
10093 (default_print_error_function): Likewise.
10094 (save_output_state): New function.
10095 (restore_output_state): Likewise.
10096 (output_do_verbatim): Likewise.
10097 (output_verbatim): Define.
10098 (verbatim): Likewise.
10100 * diagnostic.h (printer_fn): Change return type from void to int.
10101 Improve documentation.
10102 (output_add_integer): Rename to output_decimal.
10103 (output_flush_on, output_format): Don't export.
10104 (output_verbatim, verbatim): Declare.
10106 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10108 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10109 Check whether c divides op1 exactly if operation is not
10112 2000-07-08 Richard Henderson <rth@cygnus.com>
10114 * final.c (final): Do not abort when reg-stack introduces
10117 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10119 * cpplib.h (struct cpp_name): Now struct cpp_string.
10120 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10121 CPP_HEADER_NAME): Change to type S.
10122 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10123 field, a cpp_hashnode *. All references to val.name updated
10124 to use val.str or val.node as appropriate.
10125 (struct cpp_reader): Add spec_nodes field.
10126 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10128 * cpphash.h (struct spec_nodes): New.
10129 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10130 val.str. All references to 'spelling > SPELL_NONE' updated to
10133 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10134 pfile->buffer->inc are not NULL before dereferencing them.
10136 * cpplex.c (parse_name): Take a pointer to the current token,
10137 plus current position and limit as args; return the new
10138 position; don't copy the text of a name into the string
10139 buffer, instead call cpp_lookup and store the node pointer.
10140 If extending a token, copy out the text of the old into a
10141 scratch buffer, append the new, look that up and store the new
10142 node pointer. Inline.
10143 (maybe_paste_with_next): If the result of paste is a NAME,
10144 then look up the pasted text and store its node pointer.
10145 (lex_line): Adjust for new parse_name interface.
10146 Check for L"str", L'str' using spec_nodes->n_L.
10147 (spell_token): SPELL_IDENT tokens have their spelling in
10148 val.node->name. Handle SPELL_STRING tokens that don't have
10150 (_cpp_expand_name_space,
10151 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10152 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10153 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10154 return 1=equal 0=not, not a tristate.
10156 * cpphash.c (var_args_str): Delete.
10157 (find_param): Compare node fields directly.
10158 (is__va_args__): Use CPP_PEDANTIC. Just compare
10159 token->val.node with spec_nodes->n__VA_ARGS__.
10160 (dump_funlike_macro): Don't use var_args_str.
10162 * cpplib.c (_cpp_check_directive): Just walk through
10163 spec_nodes->dirs comparing pointers.
10164 (get_define_node, do_pragma_poison, detect_if_not_defined,
10165 parse_ifdef): The identifier has already been looked up.
10166 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10168 (do_if): Only call detect_if_not_defined at beginning of file.
10169 (_cpp_parse_assertion): Only copy string pointers for
10170 SPELL_STRING tokens.
10171 (pragma_dispatch): Take a node pointer and examine its name
10173 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10175 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10177 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10178 reverse order from the corresponding _cpp_init_* routines.
10180 * cppexp.c (parse_number, parse_charconst, parse_defined,
10181 lex): Check val.node->type instead of calling cpp_defined.
10182 Use spec_nodes entries where appropriate.
10184 * fix-header.c, scan-decls.c: Update for interface changes.
10186 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10188 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10189 emitting aux_truncdfsf2.
10191 2000-07-03 Donn Terry (donnte@microsoft.com)
10193 * cppinit.c (print_help): split overlong line into ISO C89
10196 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10198 * cppexp.c: Update all code for new lexer interface.
10199 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10200 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10201 * cpplex.c (token_names): Trim leading CPP_ from names; make
10202 the strings unsigned.
10203 (_cpp_spell_operator): New.
10204 (is_macro_disabled): Disable all macros if rescanning
10206 (_cpp_get_directive_token): Remove.
10208 * cppinit.c: Don't set no_macro_expand.
10209 * cpplib.c (read_line_number, do_line): Check only for EOF,
10211 * cpphash.h: Update prototypes.
10212 * cpplib.h (CPP_VSPACE): Remove.
10213 (struct cpp_reader): Remove no_macro_expand.
10215 2000-07-08 Neil Booth <NeilB@earthling.net>
10217 * cpphash.c (is__va_args__): New function.
10218 (count_params): Fix line reported in error messages. Use
10219 is__va_args__. Don't return ')' on error. Flag GNU style
10220 rest args macro definitions.
10221 (parse_define): Check macro name is not __VA_ARGS__.
10222 (save_expansion): Check identifier in non-varargs-macro is
10223 not __VA_ARGS__. Don't flag GNU_VARARGS.
10224 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10225 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10226 than per-token GNU_VARARGS.
10227 * cpplib.h (GNU_VARARGS): Remove.
10228 (GNU_REST_ARGS): New.
10230 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10232 * i386.md (call_pop, call, call_value_pop): Do not set
10233 current_function_uses_pic_offset_table for calls to static
10234 functions or indirect calls.
10236 2000-07-07 Jim Wilson <wilson@cygnus.com>
10238 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10239 is_predicate_reg, then take max write_count of register pair.
10241 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10243 * tradcpp.c (main): Rename label `include' to `add_include' to
10244 avoid conflicts with variable `include' in traditional C.
10246 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10248 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10250 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10252 * sibcall.c (uses_addressof): Add INMEM argument, check for
10253 current_function_internal_arg_pointer outside of MEM rtxs in addition
10255 (sequence_uses_addressof): Update caller.
10257 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10259 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10262 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10264 * system.h (UNION_INIT_ZERO): New macro for initializing union
10265 members in structs.
10267 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10269 2000-07-07 Neil Booth <NeilB@earthling.net>
10271 * cpp.texi: Update.
10273 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10275 * final.c (final): Detect out of bounds array access to
10276 the insn_lengths array.
10278 2000-07-07 Kazu Hirata <kazu@hxi.com>
10280 * fold-const.c (fold): Fix a comment typo.
10282 2000-07-07 Neil Booth <NeilB@earthling.net>
10284 * cpp.texi: Update to new lexer.
10286 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10288 * tradcpp.c: New file.
10289 * tradcif.y: New file.
10290 * tradcif.c: New generated file.
10292 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10293 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10294 dependencies of C. Install tradcpp from install-common, in
10297 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10299 * cppinit.c: Include cppdefault.h. Refer to
10300 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10301 to GCC_INCLUDE_DIR and its length.
10302 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10303 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10304 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10306 (include_defaults_array): Move to cppdefault.c.
10308 * cppdefault.h: New file.
10309 * cppdefault.c: New file.
10311 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10312 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10313 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10316 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10318 * reload.c (push_reload): When seeing if can reuse a register,
10319 check extra registers against widest of INMODE and OUTMODE.
10321 2000-07-06 Neil Booth <NeilB@earthling.net>
10323 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10324 based on full length of predicate.
10326 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10328 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10329 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10331 2000-07-05 Kazu Hirata <kazu@hxi.com>
10333 * h8300-proto.h: Fix formatting.
10334 * h8300.c: Likewise.
10335 * h8300.h: Likewise.
10337 2000-07-05 Jim Wilson <wilson@cygnus.com>
10339 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10342 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10344 * invoke.texi: Fix minor typos
10345 * md.texi: Fix minor typos
10347 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10349 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10351 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10353 * cpplex.c: Don't include sys/mman.h.
10354 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10356 * cpplib.c: Include sys/mman.h and obstack.h.
10357 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10359 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10360 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10361 bother freeing if stack entries (they will be freed with their buffer).
10362 (do_endif): Free if stack entries from the buffer obstack.
10363 (push_conditional): Allocate if stack entries from the buffer obstack.
10365 (find_answer): Rename to _cpp_find_answer.
10366 (do_assert, do_unassert): Update.
10368 * cpphash.h: Update prototypes.
10369 (xobnew): New convenience macro.
10370 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10372 (struct cpp_hashnode): Remove disabled field.
10374 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10375 (report_missing_guard): Moved to cppfiles.c.
10376 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10378 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10379 cpp_cleanup_includes. Don't destroy hashtab or
10380 all_include_files here.
10381 (cpp_finish): Use _cpp_report_missing_guards.
10383 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10384 (_cpp_init_include_table): Rename _cpp_init_includes.
10385 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10387 * cppexp.c (parse_assertion): Update for new name of
10390 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10392 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10394 * cpplib.c (do_ident): s/VSPACE/EOF/
10396 2000-07-05 Neil Booth <NeilB@earthling.net>
10398 * cpplex.c: Fix trigraph replacement within strings.
10400 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10402 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10404 * xcoffout.c (assign_type_number): Constify.
10405 (xcoffout_source_file): Add static prototype. Don't needlessly
10406 cast away const-ness.
10408 2000-07-04 Jason Merrill <jason@redhat.com>
10410 * frame.h (frame_state): Move base_offset to end.
10412 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10414 * calls.c (emit_library_call_value_1): Revert previous change.
10416 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10418 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10419 (recognized_extern, recognized_function, read_scan_file):
10420 Update for new scheme.
10421 (check_protection): It's still a multiple include guard even
10422 if it doesn't always trigger.
10423 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10425 * scan.h: Declare struct cpp_token. Update prototypes.
10427 2000-07-03 Neil Booth <neilb@earthling.net>
10428 Zack Weinberg <zack@wolery.cumb.org>
10430 Complete overhaul of the lexer and macro expander.
10432 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10433 arg, arglist, argdata, reflist, collect_objlike_expansion,
10434 collect_funlike_expansion, collect_params,
10435 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10436 unsafe_chars, macarg, compare_defs, special_symbol,
10437 scan_arguments, stringify, funlike_macroexpand,
10438 _cpp_quote_string, monthnames): Delete.
10439 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10440 _cpp_create_definition, _cpp_dump_definition,
10441 dump_hash_helper): Adjust.
10442 (find_param, count_params, parse_define, var_args_str,
10443 check_macro_redefinition, save_expansion): New.
10445 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10446 parse_string, output_line_command, trigraph_replace,
10447 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10448 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10449 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10450 _cpp_skip_rest_of_line): Modify.
10452 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10453 find_position, null_warning, bump_column, expand_name_space,
10454 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10455 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10456 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10457 _cpp_prescan): Delete.
10459 (dump_param_spelling, process_directive, lex_next,
10460 is_macro_disabled, stringify_arg, expand_context_stack,
10461 output_token, make_string_token, alloc_number_token,
10462 special_symbol, duplicate_token, maybe_paste_with_next,
10463 can_paste, prevent_macro_expansion, restore_macro_expansion,
10464 get_temp_token, release_temp_tokens, quote_string,
10465 token_names, token_spellings, _cpp_expand_name_space,
10466 _cpp_glue_header_name, _cpp_reserve_name_space,
10467 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10468 placemarker_token, eof_token, cpp_context, macro_args,
10469 get_raw_token, parse_arg, parse_args, save_token,
10470 push_arg_context, push_macro_context, pop_context,
10471 do_pop_context, free_macro_args, _cpp_get_line,
10472 _cpp_run_directive): New.
10474 * cpplib.c (validate_else, parse_include, push_conditional,
10475 pass_thru_directive, read_line_number, parse_ifdef,
10476 detect_if_not_defined, _cpp_check_directive, do_define,
10477 do_undef, do_include, do_import, do_include_next, do_error,
10478 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10479 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10480 do_pragma_poison, do_pragma_system_header,
10481 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10482 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10483 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10484 cpp_defined): Update for new scheme.
10485 (strtoul_for_line, get_define_node, dump_macro_name,
10486 _cpp_check_linemarker, _cpp_parse_assertion): New.
10487 (_cpp_handle_directive, do_pragma_default): Delete.
10489 * cpphash.h (struct predicate): Now struct answer.
10490 (enum spell_type, struct token_spelling, struct directive,
10491 directive_handler): New.
10492 Update prototypes. Remove unused macros.
10493 * cpplib.h: Update prototypes. Remove unused macros,
10494 structure definitions, and fields.
10496 * cpperror.c (print_containing_files, v_message): Adjust.
10497 * cppexp.c (parse_assertion, lex, parse_escape,
10498 _cpp_parse_expr): Adjust.
10499 * cppfiles.c (open_include_file, _cpp_execute_include,
10500 _cpp_compare_file_date, cpp_read_file, read_include_file):
10502 * cppinit.c (dump_special_to_buffer): Delete.
10503 (append_include_chain, merge_include_chains, cpp_reader_init,
10504 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10505 cpp_finish, handle_option, print_help): Adjust.
10506 * cppmain.c (main): Adjust.
10508 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10510 * cppspec.c (lang_specific_driver): Use double quotes in error
10513 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10515 * calls.c (emit_library_call_value_1): Use valreg instead
10516 of hard_libcall_value.
10518 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10520 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10521 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10522 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10530 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10531 mode instead of wider_mode is being used.
10533 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10535 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10536 of 'r'. Use q_regs_operand.
10537 (andsi_1+2): Use q_regs_operand.
10539 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10541 * builtins.c (get_memory_rtx): Always put into alias set 0.
10543 2000-07-03 Nick Clifton <nickc@cygnus.com>
10545 * config/arm/arm.md: Fix post increment and pre increment
10546 peepholes so that they do not generate UNPREDICATBLE opcodes.
10547 (ie ones where the increment clobbers the source/destination).
10549 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10551 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10552 change too big for -mtiny-stack" a warning, if larger than 63.
10553 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10554 always safe to use on possible future devices.
10555 (function_prologue): Write SPH before SPL, for consistency.
10556 If interrupt_func_p true, we know we have enabled interrupts.
10557 (avr_num_arg_regs): New function. Round up to even number of
10558 bytes if no -mpack-args or if calling a libgcc function.
10559 (function_arg, function_arg_advance): Use it.
10560 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10561 Output "movw" if available.
10562 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10563 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10564 (asm_output_section_name): Add blanks for consistent output.
10565 (encode_section_info): Set TREE_READONLY for progmem data to
10566 avoid gas warnings about changed section attributes.
10567 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10568 even numbered registers on devices with "movw".
10569 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10570 (TARGET_SWITCHES): Mark help strings for translation.
10571 Add new -mpack-args and -menhanced switches.
10572 (TARGET_OPTIONS): Mark help strings for translation.
10573 (progmem_section): Add section attributes.
10574 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10575 Output "movw" if available.
10576 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10578 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10579 call convention (arguments aligned on even registers).
10580 (_cleanup, _exit): Make weak symbols libc can override.
10582 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10584 * fp-bit.h: New file.
10586 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10587 Comment #endif statements.
10588 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10590 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10592 * gcse.c (compute_pre_data): Compute ae_kill using other local
10593 properties instead of calling compute_ae_kill.
10595 * alias.c (init_alias_analysis): Do not call
10596 prologue_epilogue_contains until after reload has completed.
10598 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10600 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10601 (genrtl_finish_compound_stmt): Likewise.
10602 (genrtl_compound_stmt): Change to return void.
10604 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10605 move code from here to ...
10606 (genrtl_compound_stmt): ... here.
10607 (genrtl_finish_compound_stmt): Remove.
10608 (expand_stmt): Add comment.
10610 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10612 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10615 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10617 * cpplib.h (struct cpp_reader): New field include_depth.
10618 (struct cpp_printer): Rename last_bsd to last_id.
10619 * cppfiles.c (read_include_file): Bump include_depth.
10620 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10621 (output_line_command): Output correct #line if a header
10622 is including itself and is not protected against multiple inclusion.
10623 Use include_depth instead of buffer_stack_depth, last_id instead of
10625 * cppinit.c (cpp_start_read): Initialize last_id instead of
10628 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10630 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10631 (c-semantics.o): New target.
10633 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10634 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10635 (genrtl_clear_out_block): Likewise.
10636 (genrtl_goto_stmt): Likewise.
10637 (genrtl_expr_stmt): Likewise.
10638 (genrtl_decl_stmt): Likewise.
10639 (genrtl_if_stmt): Likewise.
10640 (genrtl_while_stmt): Likewise.
10641 (genrtl_do_stmt): Likewise.
10642 (genrtl_return_stmt): Likewise.
10643 (genrtl_for_stmt): Likewise.
10644 (genrtl_break_stmt): Likewise.
10645 (genrtl_continue_stmt): Likewise.
10646 (genrtl_scope_stmt): Likewise.
10647 (genrtl_switch_stmt): Likewise.
10648 (genrtl_case_label): Likewise.
10649 (genrtl_begin_compound_stmt): Likewise.
10650 (gerntl_finish_compound_stmt): Likewise.
10651 (genrtl_compound_stmt): Likewise.
10652 (genrtl_asm_stmt): Likewise.
10653 (genrtl_decl_cleanup): Likewise.
10654 (DECL_ANON_UNION_ELEMS): Likewise.
10655 (emit_local_var): Likewise.
10656 (make_rtl_for_local_static): Likewise.
10657 (expand_cond): Likewise.
10658 (expand_stmt): Likewise.
10659 (c_expand_return): Likewise.
10660 (c_expand_start_case): Likewise.
10661 (do_case): Likewise.
10662 (COMPOUND_STMT_NO_SCOPE): Likewise.
10663 (c_expand_asm_operands): Likewise.
10664 (NEW_FOR_SCOPE_P): New macro.
10665 (expand_expr_stmt_fn): New type.
10667 (set_current_function_name_declared): Likewise.
10668 (current_function_name_declared): Likewise.
10669 (lang_expand_stmt): Likewise.
10670 (stmts_are_full_exprs_p): Likewise.
10671 (anon_aggr_type_p): Likewise.
10672 (lang_expand_expr_stmt): Likewise.
10673 (build_case_label): Likewise.
10675 * c-decl.c (lang_expand_expr_stmt): Initialize.
10676 (stmts_are_full_exprs_p): Define.
10677 (current_function_name_declared): Likewise.
10678 (do_case): Likewise.
10679 (lang_expand_stmt): Likewise.
10680 (set_current_function_name_declared): Likewise.
10681 (anon_aggr_type_p): Likewise.
10683 * c-semantics.c: New file.
10684 (expand_cond): Moved from cp/semantics.c.
10685 (genrtl_do_pushlevel): Likewise.
10686 (genrtl_clear_out_block): Likewise.
10687 (genrtl_goto_stmt): Likewise.
10688 (genrtl_expr_stmt): Likewise.
10689 (genrtl_decl_stmt): Likewise.
10690 (genrtl_if_stmt): Likewise.
10691 (genrtl_while_stmt): Likewise.
10692 (genrtl_do_stmt): Likewise.
10693 (genrtl_return_stmt): Likewise.
10694 (genrtl_for_stmt): Likewise.
10695 (genrtl_break_stmt): Likewise.
10696 (genrtl_continue_stmt): Likewise.
10697 (genrtl_scope_stmt): Likewise.
10698 (genrtl_switch_stmt): Likewise.
10699 (genrtl_case_label): Likewise.
10700 (genrtl_begin_compound_stmt): Likewise.
10701 (genrtl_finish_compound_stmt): Likewise.
10702 (genrtl_compound_stmt): Likewise.
10703 (genrtl_asm_stmt): Likewise.
10704 (genrtl_decl_cleanup): Likewise.
10705 (make_rtl_for_local_static): Moved from cp/decl.c.
10706 (emit_local_var): Likewise.
10707 (expand_stmt): Define.
10709 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10710 (c_expand_return): Likewise.
10711 (c_expand_start_case): Likewise.
10713 2000-07-01 Richard Henderson <rth@cygnus.com>
10715 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10716 with the low 13 bits set.
10717 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10718 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10719 of the low 13 bits into a CONST plus an adddi3.
10720 (load_symptr): Set RTX_UNCHANGING_P.
10722 See ChangeLog.3 for earlier changes.