1 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
3 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
4 with (clobber (match_scratch...)).
6 2000-11-06 Neil Booth <neilb@earthling.net>
8 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
11 2000-11-06 Neil Booth <neilb@earthling.net>
13 * tradcpp.c (special_symbol): Assign an null string rather
14 than writing to an unallocated buffer.
16 2000-11-06 Neil Booth <neilb@earthling.net>
18 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
21 2000-11-06 Neil Booth <neilb@earthling.net>
23 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
24 tok.val.arg_no as appropriate.
25 * cppexp.c (lex): Similarly.
26 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
27 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
28 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
29 cpp_macro_definition): Similarly.
30 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
32 2000-11-06 Jakub Jelinek <jakub@redhat.com>
34 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
35 operands[1] is constant, calculate the sum and generate movdi.
36 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
37 (subsi3): Use SImode in call to arith_4096_operand.
39 2000-11-06 Jakub Jelinek <jakub@redhat.com>
41 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
42 adjust %o1, not %o0 if the return type is large structure.
44 2000-11-06 Jakub Jelinek <jakub@redhat.com>
46 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
47 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
49 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
51 * expmed.c (expand_divmod): For signed divide by 2, prefer
52 a branch and fewer shifts if branches are very cheap.
54 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
56 * Makefile.in: Remove all targets related to building
57 distributions and diffs, or INSTALL.
58 * INSTALL, install1.texi: Remove.
59 * configure.in: Remove mention of distdir.
60 * configure: Regenerate.
61 * objc/Make-lang.in: Remove mention of distdir.
63 2000-11-04 Neil Booth <neilb@earthling.net>
65 * cpp.texi: Update for _Pragma.
67 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
69 * gcc.texi (Contributing): Update URL for projects web page.
71 2000-11-04 Neil Booth <neilb@earthling.net>
73 * cpplex.c (parse_string): Don't allow multiline strings in
74 #include family directives.
76 2000-11-04 Neil Booth <neilb@earthling.net>
78 * cpplib.c (do_line): Only warn pedantically if not reading
81 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
83 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
86 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
88 * builtins.c (expand_builtin_strlen): Remove unused mode
90 * gcc.c (process_command): Remove unused variable.
91 * fold-const.c: Include expr.h.
92 * recog.c: Include reload.h.
93 * Makefile.in (recog.o, fold-const.o): Update deps.
95 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
97 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
99 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
101 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
103 (STARTFILE_SPEC): Likewise.
104 (LINK_SPEC): Likewise.
106 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
108 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
109 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
110 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
112 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
114 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
115 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
116 perm_calloc, get_identifier, maybe_get_identifier,
117 real_value_from_int_cst, simple_cst_equal), varasm.c
118 (assemble_name, assemble_real, immed_real_const_1,
119 compare_constant_1, decode_rtx_const, output_constant_pool): Use
120 strrchr () instead of rindex (). Use memcmp () instead of bcmp
121 (). Use memcpy () instead of bcopy (). Use memset () instead of
124 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
126 * cppfiles.c (open_file): If already read, then don't reopen.
127 Immediately close an empty file.
129 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
131 * expr.h (fold_builtin): Move declaration...
132 * tree.h (fold_builtin): ... here.
134 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
136 * flow.c (verify_local_live_at_start): Allow hard regs to die.
138 2000-11-02 Neil Booth <neilb@earthling.net>
141 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
142 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
143 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
144 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
145 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
146 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
147 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
148 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
149 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
150 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
151 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
152 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
153 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
154 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
155 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
156 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
157 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
158 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
159 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
160 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
161 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
162 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
163 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
164 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
165 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
166 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
167 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
168 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
169 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
170 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
171 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
172 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
173 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
174 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
175 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
176 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
177 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
178 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
179 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
180 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
181 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
182 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
183 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
184 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
185 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
186 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
187 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
188 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
189 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
190 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
191 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
192 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
193 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
194 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
195 vax/vaxv.h, vax/vms.h, we32k/we32k.h
197 Replace -A() with -A=, the new assertion syntax.
199 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
201 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
203 In REG_DEAD handling: When handling parts of multi-hard-reg hard
204 registers, increment the loop counter by the size of the parts;
205 use recursion to handle individual parts.
207 2000-11-02 Neil Booth <neilb@earthling.net>
209 * configure.in: Make integrated CPP the default.
210 * configure: Regenerate.
212 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
214 * reload.c (find_equiv_reg): Test all hard registers for membership
215 in the requested class.
217 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
219 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
220 process_command, main), gcov.c (open_files, output_data), tlink.c
221 (frob_extension, scan_linker_output), toplev.c
222 (file_name_nondirectory): Use strchr () and strrchr () instead of
223 index () and rindex ().
225 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
227 * c-common.c (get_flag_spec, check_format_info_main,
228 check_format_types): Use strchr () instead of index (). Compare
229 against error_mark_node instead of comparing the TREE_CODE against
232 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
236 * c-lex.c (init_c_lex): Update cpp_start_read call.
237 (cb_ident): Update for new callback prototype.
238 (cb_def_pragma): Update for new cpp_get_token prototype.
239 (c_lex): Similarly. Use cpp_get_line.
241 * c-parse.in (finish_parse): Update for new cpp_finish
244 * cp/lex.c (finish_parse): Similarly.
246 2000-11-01 Geoff Keating <geoffk@cygnus.com>
248 * machmode.def: Add V16QImode.
250 2000-11-01 Richard Henderson <rth@redhat.com>
252 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
253 from rtl_for_decl_location.
254 (add_location_or_const_value_attribute): Likewise.
256 2000-11-01 Neil Booth <neilb@earthling.net>
258 * cpplib.c (run_directive): Use correct line number for output
259 of _Pragma. Remember any in-progress directive.
261 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
263 2000-11-01 Richard Henderson <rth@redhat.com>
265 * stmt.c (expand_start_null_loop): Set continue_label.
267 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
269 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
270 (expand_builtin_constant_p): Move parts of the code into
271 fold_builtin_constant_p.
272 (expand_builtin_strlen): Move parts of the code into fold_builtin.
273 * expr.h (fold_builtin): Declare.
274 * fold-const.c (fold): Handle builtin calls.
276 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
278 2000-11-01 Richard Henderson <rth@redhat.com>
280 * stmt.c (expand_start_null_loop): New.
281 (expand_end_null_loop): New.
282 * c-semantics.c (genrtl_do_stmt): Use them.
283 * tree.h: Declare them.
285 2000-11-01 Richard Henderson <rth@redhat.com>
287 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
289 2000-11-01 Neil Booth <neilb@earthling.net>
291 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
292 * cp/spew.c: Similarly.
293 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
294 * cppmacro.c (stringify_arg): Similarly.
295 * cpplib.h (CPP_BACKSLASH): Delete.
297 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * builtins.c (expand_builtin_strstr): New function.
300 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
302 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
304 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
307 2000-10-31 Richard Henderson <rth@redhat.com>
309 * config/i386/i386.c (fcmov_comparison_operator): Check for
310 CCFPmode or CCFPUmode instead of CCmode.
311 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
312 unordered operations as well.
314 2000-10-31 Richard Henderson <rth@redhat.com>
316 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
317 of integer_zero_node.
319 2000-10-31 Richard Henderson <rth@redhat.com>
321 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
323 2000-10-31 Nick Clifton <nickc@redhat.com>
325 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
326 -fdata-sections to override the section attribute of a DECL.
328 2000-10-31 Chris Demetriou <cgd@sibyte.com>
330 * libgcc2.c (__shtab): Remove __shtab variable.
331 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
332 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
335 2000-10-31 Jim Wilson <wilson@redhat.com>
337 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
338 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
339 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
340 instead of ASM_OUTPUT_INTERNAL_LABEL.
341 (dwarf2out_end_block, dwarf2out_label): Likewise.
342 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
343 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
345 2000-10-31 Richard Henderson <rth@redhat.com>
347 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
348 (size_of_locs): Set it.
349 (output_loc_operands): Use it to compute branch displacement.
350 (int_loc_descriptor): New.
351 (mem_loc_descriptor): Dereference memory in the proper size.
352 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
353 (loc_descriptor_from_tree): New.
354 (rtl_for_decl_location): Break out from ...
355 (add_location_or_const_value_attribute): ... here.
356 (add_bound_info): Use loc_descriptor_from_tree.
358 2000-10-31 Neil Booth <neilb@earthling.net>
360 * cpp.texi: Update for new command line assertion syntax.
361 * cpplib.c (cpp_define): Simplify a bit.
362 (cpp_assert, cpp_unassert): Use handle_assertion.
363 (handle_assertion): New function; accept new command line
365 * testsuite/gcc.dg/cpp/assert3.c: New tests.
367 2000-10-31 Neil Booth <neilb@earthling.net>
369 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
370 undefined. Remove #ifdef check.
371 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
372 Define STDC_0_IN_SYSTEM_HEADERS to 1.
374 2000-10-31 Jan Hubicka <jh@suse.cz>
375 Jakub Jelinek <jakub@redhat.com>
377 * config/i386/i386.h: Clarify CCNOmode description in comment.
378 (EXTRA_CC_MODES): Remove CCRCmode.
379 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
380 (put_condition_code, ix86_match_ccmode): Likewise.
381 (ix86_cc_mode): Likewise. Fix comment.
382 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
383 * config/i386/i386.md: Add unspec 12 description.
384 (adddi3 split): Use unspec 12 instead of CCRCmode.
385 (addsi3_carry_rc): Remove.
386 (addsi3_cc, addqi3_cc): New patterns.
387 (addsi_3): Swap operands, match CCZmode.
388 (addsi_4): Rewritten.
389 (addsi_5): Renamed from addsi_6.
391 (addhi_3): Swap operands, match CCZmode.
392 (addhi_4): Rewritten.
393 (addhi_5): Renamed from addhi_6.
395 (addqi_3): Swap operands, match CCZmode.
396 (addqi_4): Rewritten.
397 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
398 (subsi3_carry_rc): Removed.
399 (iorqi_3): Use =q constraint for clobber.
400 (xorqi_cc_2): Likewise.
401 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
402 (x86_movsicc_0_m1_rc): Removed.
403 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
405 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
407 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
408 and decrement of complex types.
410 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
413 builtin fputs, ensure we still evaluate the stream in case it
416 2000-10-31 Jakub Jelinek <jakub@redhat.com>
418 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
421 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
423 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
424 (fp_extended_operand, emit_fpscr_use): Likewise.
425 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
426 (fpul_operand): New function.
427 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
428 fp_extended_operand. Add fpul_operand.
429 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
430 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
431 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
432 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
433 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
434 (divdf3_i): Likewise.
435 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
436 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
437 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
438 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
439 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
441 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
443 * config/i386/i386.c (ix86_init_builtins): Correct return type
444 building v4hi_ftype_v4hi_int_int tree node.
445 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
446 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
448 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
450 (mmx__uavgv8qi3): Correct insn mnemonic.
451 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
452 (mmx_punpckhwd): Correct insn mnemonic.
453 (mmx_punpckhdq): Likewise.
454 (mmx_punpcklwd): Likewise.
455 (mmx_punpckldq): Likewise.
456 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
457 Renumber case labels to match the _mm_prefetch constants defined in
460 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
461 if the splitter didn't emit new insns.
462 Make sure we call cleanup_subreg_operands even when splitting the last
463 insn in a basic block.
465 * invoke.texi (Debugging Options): Describe -do.
466 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
467 (dump_file): Likewise.
468 (rest_of_compilation): Split .greg dump into .greg and .postreload.
470 2000-10-30 Neil Booth <neilb@earthling.net>
472 * cppfiles.c (stack_include_file): Check for stacked contexts
474 * cpphash.h (_cpp_do__Pragma): New prototype.
475 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
477 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
478 escaped newlines if !(buffer->from_stage3).
479 (_cpp_lex_token): Warn about missing newlines iff
480 !buffer->from_stage3.
482 * cpplib.c (get__Pragma_string, destringize,
483 _cpp_do__Pragma): New functions.
484 (run_directive): Set output_line for _Pragma to avoid line
485 markers in output. Set from_stage3 and prevent macro expansion
486 for _Pragma and command-line options. Check buffer exhaustion.
487 (cpp_push_buffer): Don't check for stacked macro contexts, as
488 this is perfectly legitimate for _Pragma. Move the check to
489 stack_include_file instead. Set from_stage3 iff buffer is
492 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
493 unsigned. New boolean from_stage3.
494 (struct spec_nodes): Add n__Pragma.
496 * cppmacro.c (enter_macro_context): Flip sense of return value.
497 (_cpp_get_token): Handle _Pragma operator.
499 2000-10-30 Phil Edwards <pme@sources.redhat.com>
501 * gcc.texi: The C++ standard isn't "draft" anymore.
503 2000-10-30 Mark Mitchell <mark@codesourcery.com>
505 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
507 2000-10-29 Neil Booth <neilb@earthling.net>
509 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
511 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
513 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
514 fixinc/inclhack.def: Change comments mentioning C9X to refer to
517 * invoke.texi: Document that -V will only work for very similar
518 versions of driver and compiler.
520 2000-10-29 Neil Booth <neilb@earthling.net>
522 * cppmacro.c (_cpp_create_definition): Optimize the case of
523 a macro defined to itself.
525 2000-10-29 Neil Booth <neilb@earthling.net>
527 * cpplex.c (save_comment): Don't store new lines in C++ comments.
529 2000-10-29 Michael Hayes <mhayes@redhat.com>
531 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
533 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
535 * cpphash.c (cpp_forall_identifiers): Add context variable
536 for callback routine.
537 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
539 (main): Call cpp_forall_identifiers with null context.
540 * cpplib.h (cpp_forall_identifiers): Update prototype.
542 * cppmain.c: Make `parse_in' and `print' static.
544 2000-10-28 Alan Modra <alan@linuxcare.com.au>
546 * c-decl.c (finish_function): Clear c_function_name_declared_p.
548 2000-10-28 Richard Henderson <rth@redhat.com>
550 * regrename.c (scan_rtx_address): Frob action, not class,
551 when trying to disable optimization.
553 2000-10-28 Mark Mitchell <mark@codesourcery.com>
555 * c-semantics.c (make_rtl_for_local_static): Don't clobber
558 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
560 * configure.in: Determine and substitute gcc_version_full.
561 * configure: Regenerate.
562 * gccbug.in: Use it to give full version. Don't allow
565 2000-10-28 Richard Henderson <rth@redhat.com>
567 * recog.c (split_all_insns): Run cleanup_subreg_operands
570 * regrename.c (regrename_optimize): Verify that all registers of
571 a multiple register mode are available.
572 (scan_rtx_address): Accept the mode of the address; all callers
575 * cpplib.c (run_directive): Fix prototype.
577 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
579 * reload.c (find_reloads): Distinguish "wins" so that we know whether
580 a given operand won because of a matching constraint or not; then use
581 that information to compute goal_alternative_matched properly.
582 * reload1.c (choose_reload_regs): Never set reload_override_in for an
585 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
586 accurate value for MULT.
587 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
588 2% or > 98% before using static branch prediction bits.
590 2000-10-28 Neil Booth <neilb@earthling.net>
594 * cpplib.c (struct answer): New.
595 (struct if_stack): Use cpp_lexer_pos rather than line and col.
596 Rename cmacro mi_cmacro.
597 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
598 IN_I): New directive and flags.
599 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
600 parse_answer, parse_assertion, find_answer): New functions.
601 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
602 (lex_macro_node): New function to replace parse_ifdef and
605 (_cpp_handle_directive): New function, combines _cpp_check_directive
606 and _cpp_check_linemarker.
608 (do_define, do_undef, parse_include, do_include, do_import,
609 do_include_next, read_line_number, do_line, do_ident, do_pragma,
610 do_pragma_once, do_pragma_poison, do_pragma_dependency):
611 Update for new token getting interface.
613 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
614 : Update for new multiple-include optimisation technique.
615 (do_elif): Don't forget to invalidate controlling macros.
617 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
618 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
619 Functions to handle assertions with the new token interface.
620 (do_assert, do_unassert): Use them.
622 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
625 (_cpp_init_stacks): Register directive names. Don't register special
628 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
629 new position recording regime.
630 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
631 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
632 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
633 (cpp_type2name): Move to cpplex.c.
635 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
636 (parse_defined): Update to handle new multiple include optimisation
637 method. Remove poisoned identifier warning.
638 (parse_assertion, TYPE_NAME): Delete.
639 (lex): Update for multiple include optimisation, removal of
640 CPP_DEFINED, to use _cpp_test_assertion for assertions and
642 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
643 (op_as_text): New function, to wrap cpp_token_as_text.
645 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
646 Update for MI optimisation.
647 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
648 segfault on diagnostic.
649 (_cpp_compare_file_date): Take a token rather than 3 args.
650 (cpp_read_file): Work correctly for zero-length files.
652 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
653 _cpp_init_hashtable and _cpp_cleanup_hashtable.
654 (cpp_lookup): Place identifiers at front of identifier pool
655 for _cpp_lookup_with_hash.
656 (_cpp_lookup_with_hash): Require identifiers to be at the front of
657 the identifier pool. Commit the memory if not already in the
660 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
661 Initialise various members of cpp_reader, memory pools, and the
663 (cpp_printer_init): Delete.
664 (cpp_cleanup): Update.
665 (struct builtin, builtin_array, initialize_builtins): Update for new
666 hashnode definition and builtin handling.
667 (cpp_start_read, cpp_finish): Don't take or initialise a
670 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
671 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
672 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
673 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
674 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
675 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
676 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
677 struct toklist, struct cpp_context, struct specnodes,
678 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
679 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
680 enum builtin_type, cpp_can_paste): New.
681 (struct cpp_token): Delete line and col members.
682 (struct cpp_buffer): New member output_lineno.
683 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
684 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
685 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
686 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
687 base_context, context, directive, mi_state, mi_if_not_defined,
688 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
689 mlstring_pos, macro_buffer, macro_buffer_len.
690 Delete members mls_line, mls_column, token_list, potential_control_macro,
691 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
692 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
693 save_parameter_spellings, need_newline, .
694 Change type of date, time and spec_nodes members.
695 Change prototypes for include and ident callbacks.
696 (struct cpp_hashnode): Change type of name. Remove union members
697 expansion and code. Add members macro, operator and builtin.
699 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
700 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
701 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
702 cpp_stop_lookahead): New prototypes.
703 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
705 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
708 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
709 ufputs): Move to cpplib.h.
710 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
711 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
712 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
713 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
714 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
715 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
716 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
717 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
718 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
719 _cpp_parse_assertion, _cpp_find_answer): Delete.
720 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
721 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
722 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
723 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
724 _cpp_handle_directive, DSC): New.
725 (struct include_file): New member defined.
727 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
728 _cpp_compare_file_date): Update.
729 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
730 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
731 _cpp_cleanup_hashtable.
733 * Makefile.in: Remove cppoutput.c.
735 * cppoutput.c: Delete
737 * fixheader.c (read_scan_file): Update for new cpp_get_token
739 (recognized_function): New argument LINE.
741 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
742 new cpp_get_token prototype.
744 * scan.h (recognized_function): Update prototype.
746 * po/POTFILES.in: Remove cppoutput.c.
748 2000-10-27 Mark Mitchell <mark@codesourcery.com>
750 * c-typeck.c (check_init_type_bitfields): Remove.
751 (constructor_incremental): Likewise.
752 (struct constructor_stack): Remove incremental bit.
753 (struct initializer_stack): Likewise.
754 (start_init): Don't play with constructor_incremental.
755 (finish_init): Likewise.
756 (really_start_incremental_init): Likewise.
757 (push_init_level): Likewise.
758 (pop_init_level): Likewise.
759 (output_init_level): Likewise.
760 (output_pending_init_elements): Likewise.
762 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
764 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
765 Improve error messages. Correct parsing of
766 #pragma pack(pop [,id]). Do not check the user-supplied
767 alignment if we're popping.
769 * gcc.dg/pack-test-1.c: New test case.
770 * gcc.dg/pack-test-2.c: New test case.
771 * gcc.dg/pack-test-1.h: New file.
773 2000-10-27 Neil Booth <neilb@earthling.net>
777 2000-10-27 Kelley Cook <kelley.cook@home.com>
779 * invoke.texi: Document -mintel-syntax
781 2000-10-27 Richard Henderson <rth@redhat.com>
783 * invoke.texi: Document -frename-registers. Add it to -O3.
784 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
785 (enum dump_file_index, dump_file): Update order.
786 (main): Set flag_rename_registers at -O3.
788 2000-10-27 Richard Henderson <rth@redhat.com>
790 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
791 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
792 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
793 * config/alpha/alpha.md (call_osf_1): Use it.
794 (call_value_osf_1): Likewise.
796 * config/ia64/ia64.c: Revert 10-23 patch.
797 (ia64_hard_regno_rename_ok): New.
798 * config/ia64/ia64-protos.h: Declare it.
799 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
801 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
802 Richard Henderson <rth@redhat.com>
804 * regrename.c: Rewrite to handle multi-register modes and
805 cond_exec instructions.
806 * Makefile.in (regrename.o): Update dependancies.
807 * recog.h (struct operand_alternative): Add is_address.
808 * recog.c (preprocess_constraints) [case 'p']: Set it.
810 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
812 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
813 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
814 top level. Kill oldstyle_subdirs. Do not include
815 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
816 $outputs. Do not run configure.lang from config.status.
817 Rearrange warning-flag logic to correspond to what the
818 makefile wants. Put special vax stage1 options in
819 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
820 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
821 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
822 switch is given, nothing otherwise.
823 * configure.lang: Delete.
825 * Makefile.in: Expunge all traces of extra_c_objs,
826 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
827 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
828 warning options via a three level scheme so that -pedantic and
829 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
830 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
831 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
832 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
833 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
834 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
835 generation rules. Wrap all rules that change the current
836 directory in parentheses; pmake doesn't spawn a new shell for
837 each command. Expunge all references to $(P). When one
838 command depends on another and they're run all at once, use &&
839 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
840 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
843 * objc/Make-lang.in: Wrap all rules that change the current
844 directory in parentheses. Expunge all references to $(P).
845 When one command depends on another and they're run all at
846 once, use && to separate them, not ;. Add OUTPUT_OPTION to
847 all object-file generation rules. Delete obsolete variables.
848 * objc/Makefile.in: Delete.
850 2000-10-27 Jakub Jelinek <jakub@redhat.com>
852 * calls.c (expand_call): If sibcall_failure is set during pass 1,
853 clear tail_call_insns as well.
855 2000-10-27 Nick Clifton <nickc@redhat.com>
857 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
860 2000-10-26 Richard Henderson <rth@redhat.com>
862 * calls.c (expand_call): Supress sibcall if we have a
863 BLKmode return in registers.
865 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
867 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
870 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
872 * tree.c (make_node, case 't'): Set alignment to that of
874 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
876 2000-10-25 Mark Mitchell <mark@codesourcery.com>
878 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
879 * configure.in (enable-libstdcxx-v3): Arrange to have
880 HAVE_LIBSTDCXX_V3 substituted into the output files.
882 2000-10-25 Richard Henderson <rth@redhat.com>
884 * recog.c (constrain_operands): Initialize which_alternative
885 before no alternatives early exit.
887 * cse.c (find_comparison_args): Check that we can reverse a
888 comparison if needed before accepting the substitution.
890 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
892 * simplify-rtx.c (simplify_relational_operation): Sign extend
893 low words before sign extending to high words.
895 2000-10-25 Nick Clifton <nickc@redhat.com>
897 * config/mcore/mcore.c: Include config.h before system.h.
899 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
901 * config/mcore/mcore.md (return): Force function epilogue to
902 always be generated to work around epilogue suppression bug in
905 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
907 * c-decl.c (grokdeclarator): Move warning for qualified void
908 return types with -pedantic to when the function type is
909 constructed. At -W, warn in general for qualified function return
910 types, except for volatile void.
911 * invoke.texi: Document this new warning at -W.
913 2000-10-25 Neil Booth <neilb@earthling.net>
915 * cpp.texi: Update with implementation-defined behavior and
918 2000-10-25 Jakub Jelinek <jakub@redhat.com>
920 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
921 incomplete type force it into alias set 0.
923 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
925 * alias.c: Include basic-block.h.
926 (loop_p): New function.
927 (mark_constant_function): Use it.
928 * Makefile.in (alias.o): Update dependencies.
930 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
932 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
935 2000-10-24 Jim Wilson <wilson@cygnus.com>
937 * expmed.c (store_bit_field): Move integer pun code down after
938 code that calls emit_move_insn for entire register move.
939 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
940 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
942 2000-10-24 Richard Henderson <rth@cygnus.com>
944 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
945 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
947 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
949 * gcse.c (cprop_insn): do not propagate constants into jump_insn
950 for machines with CC0 more than once.
952 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
954 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
955 pseudos just like memory.
957 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
959 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
960 when deleting libcall sequence collapsed to a single instruction.
962 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
964 * expr.c (do_store_flag): Don't crash if either side of a
965 comparison is error_mark_node.
967 2000-10-24 Jakub Jelinek <jakub@redhat.com>
969 * sibcall.c (purge_mem_unchanging_flag): New function.
970 (optimize_sibling_and_tail_recursive_calls): Call it.
972 2000-10-24 Philipp Thomas <pthomas@suse.de>
974 * Makefile.in (check-po): New target for doing checks in the po
975 subdir if all languages configured.
976 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
977 configure if NLS is enabled.
978 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
979 otherwise leave empty.
980 * configure: Regenerate.
982 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
984 * i386.c (print_operand): Handle new 'A' formatting code.
985 387 opcodes need suffixes even with -mintel-syntax.
986 Check for explicit size override (codes 'b', 'w' and 'k').
987 (print_operand_address): Check if register prefix is needed when
988 emitting `ds' segment override.
989 * i386.h: Add comment about new 'A' formatting code.
990 * i386.md (jump and call patterns): Emit absolute references using %A.
992 2000-10-23 Richard Henderson <rth@cygnus.com>
994 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
995 output registers as fixed.
996 (ia64_function_epilogue): Undo output fixation.
998 2000-10-23 Richard Henderson <rth@cygnus.com>
1000 * config/alpha/alpha.md: Add names for all unnamed insns; use
1001 define_insn_and_split in some obvious places.
1003 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1004 (zero_extendqisi2, zero_extendqidi2): Likewise.
1005 (zero_extendhisi2, zero_extendhidi2): Likewise.
1006 (abs splitters): Fix match_scratch operand number.
1007 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1009 2000-10-23 Jim Wilson <wilson@cygnus.com>
1011 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1013 * ia64.md (cmpsi_adjusted): Use %r3.
1014 (cmpdi_adjusted): Likewise.
1016 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1018 * config/i386/att.h (ASM_FILE_START): Define.
1020 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1022 * config/i386/linux.h (ASM_FILE_START): Define.
1024 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1026 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1027 since this (only) drags in a crt0.o reference that the .ld files
1030 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1032 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1033 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1034 reloads just like an RELOAD_FOR_OUTPUT would.
1036 * local-alloc.c (update_equiv_regs): Add an abort(). When
1037 deleting or moving insns, update reg_equiv[regno].init_insns.
1039 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1041 * c-tree.texi: Improve documentation for IF_STMTs and related
1042 conditional statements.
1044 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1046 * expr.c (do_preexpand_calls): Remove.
1047 (same_from_p): Don't use CALL_EXPR_RTL.
1048 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1049 (preexpand_calls): Remove.
1050 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1051 (unsave_expr_1): Likewise.
1052 * tree.def (CALL_EXPR): Give it only two slots.
1053 * tree.h (CALL_EXPR_RTL): Remove.
1055 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1057 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1058 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1061 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1063 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1064 adjust stack when unadjusted_alignment ends up as zero.
1066 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1068 * fixinc/genfixes: Remove EGCS reference.
1069 * install.texi: Remove EGCS reference.
1070 * INSTALL: Regenerate.
1072 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1074 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1076 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1078 * diagnostic.c: Remove EGCS reference in comment.
1080 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * loop.c (strength_reduce): Fix error in last change.
1084 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1086 * Makefile.in (SHLIB_NM_FLAGS): New.
1087 (libgcc.mk): Pass it.
1088 * mklibgcc.in (libgcc.map): Use it.
1090 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1091 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1093 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1097 * sparc.c (load_pic_register): Delete unused varaible.
1099 * libgcc2.c (__addvsi3): Delete unused variable.
1101 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1102 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1103 __negvdi2): Prototype.
1105 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1107 * toplev.c (display_target_options): Make static to match
1108 prototype. Delete empty declaration.
1110 2000-10-20 Tom Tromey <tromey@cygnus.com>
1112 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1113 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1115 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1119 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1120 a constant before comparing it; use tree_low_cst.
1121 * tree.c (save_expr): Set TREE_READONLY.
1122 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1123 (build, build1): Set TREE_READONLY if all operands are.
1124 (build_index_type): If upper bound is a negative number, lower
1125 bound is zero and sizetype is unsigned, use upper bound of one and
1128 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1130 * gcc.c (process_command, main): Use "because" instead of
1131 "since" in error messages.
1133 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1135 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1136 Don't use mode of field for record unless sizes are the same.
1137 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1138 previously added for Ada; also change to using host_integerp
1141 * loop.c (strength_reduce): Show when new register made for
1142 giv is known to be a pointer and its aligment if so and known.
1143 (loop_dump_aux): Show VERBOSE parameter unused.
1145 * gcse.c (set_hash_table_size): Now unsigned.
1146 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1147 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1148 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1149 (sdbout_end_epilogue): Remove variable NAME.
1150 * system.h (getopt): Add default definition.
1151 * config/alpha/alpha.c (print_operand): Don't continue processing
1152 after issuing error.
1153 (summarize_insn): Avoid use of UL in constant.
1155 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1157 * fold-const.c (force_fit_type): Unsigned values can overflow
1158 if they are sizetype.
1159 (int_const_binop): Don't use cache if overflows.
1161 2000-10-20 Richard Henderson <rth@cygnus.com>
1163 * function.c (locate_and_pad_parm): Zero alignment_pad.
1165 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1166 perform substitutions, and apply_change_group to see if it worked.
1168 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1172 * combine.c (struct undo): Change int to unsigned int.
1173 (do_SUBST_INT): Args are unsigned int.
1174 (make_extraction, force_to_mode): Use proper type when forming mask.
1175 (make_field_assignment): Likewise.
1177 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1179 * c-common.c (check_format_info_recurse): Extract string constant
1180 initializers from non-volatile constant arrays and check them as
1182 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1183 for DECL_MODE (decl) != BLKmode.
1184 (decl_constant_value_for_broken_optimization): New function which
1185 includes these checks.
1186 (default_conversion, convert_for_assignment, digest_init): Use
1187 decl_constant_value_for_broken_optimization instead of
1188 decl_constant_value.
1190 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1192 * tree.h (DECL_ALIGN_UNIT): New macro.
1194 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1196 * config/avr/avr-protos.h (avr_output_bld): New.
1197 (out_shift_with_cnt): Add t_len argument.
1198 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1199 (output_movqi, output_movhi, output_movsisf): Optimize loading
1200 any constant with exactly one bit set to NO_LD_REGS.
1201 (out_shift_with_cnt): Optimize output code for size or speed,
1202 depending on optimize_size. Handle small shift counts as well
1203 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1204 with or without a scratch register, with help of __tmp_reg__
1205 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1206 length of TEMPLATE in words, return total insn length in *LEN.
1207 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1208 out_shift_with_cnt to work with the above change.
1209 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1210 lshrsi3_out): Likewise. Optimize more known shift count cases.
1211 Remove cases already well optimized in out_shift_with_cnt.
1212 (avr_output_bld): New function.
1213 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1214 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1215 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1216 Add reload_completed to insn condition - only for peepholes.
1217 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1218 in a register or memory.
1219 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1220 Do not require a scratch register.
1221 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1222 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1223 Optimize shifts by known count using a scratch register, but only
1224 if one is still available after register allocation.
1226 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1228 * t-vax: New file. Don't build modules from libgcc1.c.
1230 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1232 * alias.c: (mark_constant_function): Don't check pure functions.
1233 Initialize and end alias analysis.
1234 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1235 Don't make a special exception for recursion. Handle
1236 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1237 unless it's volatile.
1239 * local-alloc.c (equivalence): New structure.
1240 (reg_equiv): Define.
1241 (contains_replace_regs): Remove array and use
1243 (memref_referenced_p): Likewise.
1244 (no_equiv): Likewise.
1245 (update_equiv_regs): Likewise.
1247 (equiv_init_varies_p,
1248 equiv_init_movable_p): New functions.
1249 (update_equiv_regs): Use them. Use rtx_varies_p
1250 instead of function_invariant_p. Process insns
1251 from end to beginning. Allow a REG_EQUIV insn
1252 within the same loop as a use to be moved, also
1253 allow it to be moved out of a loop. Update
1254 REG_DEAD notes when substituting into an insn.
1256 2000-10-19 Jim Wilson <wilson@cygnus.com>
1258 * c-decl.c (start_decl): Check for error_mark_node type before using
1260 (finish_decl): Likewise. Don't give an error if decl type is
1261 already error_mark_node.
1263 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1264 New local update_blocks. Use update_blocks to remove duplicates
1265 when computing update blocks. Check for bblst_table overflow.
1266 (schedule_block): Add explanatory comment. Reduce bblst_size by
1268 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1271 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1273 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1275 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1277 * expmed.c: Minor corrections in comments.
1278 * invoke.texi: Added desciption for the new option -ftrapv.
1280 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1282 * libgcc2.c: Added the missing #endif.
1284 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1286 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1288 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1290 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1291 Use smulv_optab for -ftrapv.
1292 (expand_mult_highpart): Use unsigned multiply.
1293 (expand_divmod): Special-case division by -1.
1294 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1295 For complex divide, use abs with unsigned result.
1296 * expr.c (force_operand): Use unsigned multiply.
1297 (expand_expr): Use overflow-trapping optabs for signed types if
1299 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1300 if the type is signed and the original call wasn't EXPAND_SUM or
1302 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1303 (negv_optab, absv_optab): Declare.
1304 * flags.h (flag_trapv): Declare.
1305 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1306 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1307 (gen_insn): Interpret '$P' as requiring an integer mode,
1308 including partial integer modes.
1309 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1310 (product_cheap_p): Use unsigned expand_mult.
1311 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1312 (negv_optab, absv_optab): Define.
1313 (expand_binop): Use overflow-trapping optabs for signed types if
1315 Handle negv_optab libe neg_optab.
1316 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1317 Use overflow-trapping optabs for signed result if flag_trapv.
1318 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1320 Don't open-code complex absolute-value operation for flag_trapv.
1321 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1322 sdivv_optab, negv_optab and absv_optab.
1323 * toplev.c (flag_trapv): Define.
1324 (lang_independent_options f_options): Include flag_trapv.
1325 * tree.h (TYPE_TRAP_SIGNED): Define.
1326 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1327 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1329 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1330 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1332 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1333 David V. Henkel-Wallace <gumby@cygnus.com>
1335 * config/i386/t-netware: Bring in from the Red Hat tree.
1336 * config/i386/netware.h: Likewise.
1337 * config/netware.h: Likewise.
1338 * config/rs6000/netware.h: Delete.
1339 * configure.in: Add i[34567]86-*-netware.
1340 * configure: Hand-edit to match configure.in change.
1342 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1344 * c-common.h (flag_no_builtin): Declare.
1345 (flag_no_nonansi_builtin): Likewise.
1346 (c_common_nodes_and_builtins): Change prototype.
1347 * c-common.c (flag_no_builtin): New variable.
1348 (flag_no_nonansi_builtin): Likewise.
1349 (c_common_nodes_and_builtins): Remove parameters. Adjust
1351 * c-decl.c (flag_no_builtin): Remove.
1352 (flag_no_nonansi_builtin): Likewise.
1353 (init_decl_processing): Adjust call to
1354 c_common_nodes_and_builtins.
1356 2000-10-18 Marc Espie <espie@openbsd.org>
1358 * tm.texi (LIBGCC_SPEC): Synch with reality.
1360 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1362 * c-common.c (check_format_types): Check for writing through a
1363 NULL pointer argument.
1365 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1367 * tm.texi (Exception Region Output): Document
1368 DWARF_CIE_DATA_ALIGNMENT.
1369 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1371 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1372 DWARF_CIE_DATA_ALIGNMENT.
1374 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1376 * basic-block.h (struct loop): Delete fields pre_header_root
1377 and pre_header_trace and replace with pre_header_edges
1378 and num_pre_header_edges.
1379 * flow.c (flow_loop_dump): Dump pre_header_edges.
1380 (flow_loops_free): Free pre_header_edges.
1381 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1383 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1385 * contrib.texi: Update references to steering committee members
1386 and Jeff Law's entry.
1388 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1390 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1391 (maybe_read_dollar_number, check_format_info_main): Use them for
1392 pedantic warning messages.
1394 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1396 * c-common.c (check_format_info_main): Minor cleanup: move
1397 variables into inner scopes; initialize declarations where
1398 appropriate; don't hardcode "scanf" name on warning for zero
1401 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1403 * c-common.c (back_end_hook): New variable.
1404 * c-common.h (back_end_hook): Declare it.
1405 * c-lang.c (finish_file): Use it.
1407 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1410 2000-10-18 Jan Hubicka <jh@suse.cz>
1412 * i386.c (ix86_comparison_operator, put_condition_code,
1413 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1414 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1415 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1416 * i386.md (adddi and negdi splitter): Use CCRCmode.
1417 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1418 (subsi3_carry): add '*'
1419 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1420 (cmp to add peep2): Use CCRCmode; swap operands.
1422 2000-10-18 Kazu Hirata <kazu@hxi.com>
1424 * h8300.c: Fix a comment typo.
1425 (round_frame_size): New.
1426 (compute_saved_regs): Likewise.
1429 (push_order): Remove.
1430 (pop_order): Likewise.
1431 (function_prologue): Rearrange code for readability.
1432 (function_epilogue): Likewise.
1434 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1435 expander that is used when not optimizing. Output a tab after
1436 each assembly insns.
1438 * reorg.c: Fix formatting.
1440 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1442 * reload1.c (move2add_note_store): Check for simple
1443 auto-inc in destination.
1445 2000-10-17 Michael Chastain <chastain@redhat.com>
1447 * config/i386/i386-aout.h: define INT_ASM_OP.
1449 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1451 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1453 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1455 * i370.md: Fix spelling typo.
1457 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1459 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1460 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1462 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1463 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1466 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1467 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1469 * rs6000/aix.h: ...to here.
1470 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1472 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1474 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1476 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1477 sure linker can relax even the delay slot mov %g1,%o7, fix output
1480 2000-10-17 Kazu Hirata <kazu@hxi.com>
1482 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1483 expander that is used when not optimizing. Output a tab after
1484 each assembly insns.
1486 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1488 * gcc.c: New options --target-help.
1489 (process_command): Added code to parse this new option.
1490 * toplev.c (display_target_options): New function to support the
1492 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1493 (cpp_handle_option): Support this new option.
1494 * invoke.texi: Added notes about --target-help option.
1496 2000-10-17 Graham Stott <grahams@redhat.com>
1498 * config/i386/i386.md (testqi_1): Add missing operand prefix
1500 * config/i386/i386-protos.h: Add missing prototype.
1502 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1504 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1505 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1506 using -mintel-syntax.
1508 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1510 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1511 (format_types): Use it for printf.
1512 (maybe_read_dollar_number): Add parameter for the kind of format
1513 involved. Warn for multiple use for arguments if this is
1514 inappropriate for the kind of format involved.
1515 (check_format_info_main): Update calls to maybe_read_dollar_number.
1517 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1519 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1520 * fixincl.x: Rebuilt.
1522 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1524 * genrecog.c (write_switch): Return the first condition that needs a
1527 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1529 * c-tree.h (warn_sequence_point): Move declaration to...
1530 * c-common.h (warn_sequence_point): ... here.
1531 * c-decl.c (warn_sequence_point): Move definition to...
1532 * c-common.c (warn_sequence_point): ... here.
1533 (struct reverse_tree): New.
1534 (reverse_list, reverse_max_depth): New static variables.
1535 (build_reverse_tree, common_ancestor, modify_ok
1536 verify_sequence_points): New functions.
1537 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1538 * c-typeck.c (check_modify_expr): Delete.
1539 (build_modify_expr): Don't call it.
1541 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1543 * c-common.h (warn_missing_format_attribute): New variable.
1544 * c-decl.c (warn_missing_format_attribute): New variable.
1545 (c_decode_option): Decode -Wmissing-format-attribute and
1546 -Wno-missing-format-attribute.
1547 * c-common.c (check_function_format): If
1548 -Wmissing-format-attribute, give a warning where a vprintf or
1549 vscanf function is called by a function without its own printf or
1551 * toplev.c (documented_lang_options): Add
1552 -Wmissing-format-attribute.
1553 * invoke.texi: Document -Wmissing-format-attribute.
1555 2000-10-17 Marc Espie <espie@openbsd.org>
1557 * invoke.texi (-shared): Insist on requiring code generation flags
1558 to be used along with -shared, and document the subtle failure that
1559 may occur otherwise.
1561 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1563 * pa.md (return_internal): Move `use' after `return'.
1565 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1567 * machmode.def: Correct comment.
1569 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1571 * print-rtl.c (print_rtx_head): Constify.
1572 * rtl.h (print_rtx_head): Similarly.
1574 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1575 Constify char * return value.
1577 (output_64bit_and, output_64bit_ior): Constify char * return value.
1578 (pa_can_combine_p): Make static.
1579 (function_arg): Decorate unused `named' argument. Fix comment typo.
1580 (function_arg_partial_nregs): Decorate unused `named' argument.
1582 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1584 * c-common.c (format_check_results): New structure.
1585 (finish_dollar_format_checking): Adjust to take a
1586 format_check_results * parameter.
1587 (check_format_info, check_format_info_recurse,
1588 check_format_info_main): Split check_format_info into three
1589 functions, the main checking going in check_format_info_main.
1590 Recurse when any reduction of the format string argument towards a
1591 string literal is done; go down both branches of a conditional
1592 expression. Don't warn for extra format arguments or empty format
1593 strings if they only occur in some branches of a conditional
1596 2000-10-16 Kazu Hirata <kazu@hxi.com>
1598 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1600 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1602 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1604 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1606 * i386.md (*movsi_or): Switch operand order for intel syntax.
1608 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1612 * gcc.texi (Contributing): Update.
1614 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1616 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1617 appropriate assembler dialect.
1619 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1621 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1623 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1625 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1626 constants 1 and 2 to NO_LD_REGS.
1628 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1630 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1632 * objc/Make-lang.in (objc-parse.c): Likewise.
1634 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1636 * arm.c: Include obstack.h
1637 (minipool_obstack, minipool_startobj): Define.
1638 (arm_add_gc_roots): Initialize them.
1639 (create_fix_barrier): Use our new obstack.
1640 (push_minipool_barrier, push_minipool_fix): Likewise.
1641 (arm_reorg): Release obstack memory.
1643 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1645 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1646 (prologue, exception_receiver, builtin_setjmp_receiver): New
1648 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1649 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1650 (load_pic_register): New prototype.
1651 * config/sparc/sparc.c (pic_setup_code): Remove.
1652 (finalize_pic): Rename to...
1653 (load_pic_register): ...this function.
1654 Don't look for nonlocal_goto_receivers and emit pic setup code
1655 directly. Don't check current_function_uses_pic_offset_table.
1657 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1659 * tree.h (struct obstack): Declare.
1661 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1664 * Makefile.in (ggc-callbacks.o): Remove target.
1665 (flow.o): Depend on GGC_H.
1666 * alias.c (init_alias_analysis):
1667 Remove ggc_p conditionals.
1668 (end_alias_analysis): Likewise.
1669 * basic-block.h (init_flow): New function.
1670 (allocate_reg_life_data): Declare.
1671 * bb-reorder.c (function_obstack): Replace with ...
1672 (flow_obstack): ... new variable.
1673 (fixup_reorder_chain): Use it.
1674 * c-decl.c (ggc_p): Remove.
1675 (caller-save.c): Don't call oballoc/obfree.
1677 undobuf): Remove storage.
1678 (try_combine): Don't call oballoc.
1679 (undo_all): Don't call obfree.
1680 * cse.c (insert): Use xmalloc, not
1682 (cse_main): Adjust accordingly.
1683 * dwarf2out.c (save_rtx): Remove
1685 (dwarf2out_init): Remove ggc_p conditionals.
1686 * emit-rtl.c (rtl_obstack): Remove.
1687 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1688 (make_insn_raw): Likewise.
1689 (emit_insn_before): Likewise.
1690 (emit_insn_after): Likewise.
1691 (emit_insn): Likewise.
1692 (gen_sequence): Likewise.
1693 (copy_insn_1): Remove handling of `b' RTL components.
1694 (init_emit_once): Remove ggc_p conditionals.
1695 * except.c (create_rethrow_ref): Don't fool with obstacks.
1696 (add_partial_entry): Likewise.
1697 (call_get_eh_context): Likewise.
1698 (begin_protect_partials): Likewise.
1699 (protect_with_terminate): Likewise.
1701 (plus_constant_wide): Likewise.
1702 * expr.c (init_expr_once):
1704 (emit_block_move): Likewise.
1705 (clear_storage): Likewise.
1706 (expand_expr): Likewise.
1707 * flow.c (function_obstack): Remove.
1708 (flow_obstack): New variable.
1709 (flow_firstobj): Likewise.
1710 (create_base_block): Use the flow_obstack.
1711 (split_block): Likewise.
1712 (split_edge): Likewise.
1713 (calculate_global_regs_live): Likewise.
1714 (allocate_bb_life_data): Make it static. Likewiwse.
1715 (init_flow): New function.
1716 (size_int_type_wide): Remove ggc_p conditionals.
1718 (push_function_context_to): Don't call save_tree_status.
1719 (pop_function_context_from): Or restore_tree_status.
1720 (assign_stack_local_1): Don't call push_obstacks.
1721 (find_fixup_replacement): Use xmalloc.
1722 (fixup_var_refs_insns): Free the storage.
1723 (insns_for_mem_walk): Don't mess with obstacks.
1724 (instantiate_decls): Likewise.
1725 (trampoline_address): Likewise.
1726 (expand_function_end): Likewise.
1727 * function.h (sturct function):
1728 Remove obstack-related variables.
1729 (save_tree_status): Don't declare.
1730 (restore_tree_status): Likewise.
1731 * gcse.c (compute_can_copy):
1732 Don't call oballoc/obfree.
1733 * genattrtab.c (operate_exp): Remove
1735 (simplify_cond): Likewise.
1736 (simplify_test_exp): Don't mess with obstacks.
1737 (optimize_attrs): Likewise.
1738 * gengenrtl.c (gendef): Don't include
1740 * ggc-callbacks.c (ggc_p): Remove.
1741 * ggc-none.c (ggc_p): Remove.
1742 * ggc.h (ggc_p): Don't declare.
1743 * integrate.c (save_for_inline): Don't mess with obstacks.
1744 (integrate_decl_tree): Likewise.
1745 (output_inline_function): Likewise.
1747 (init_EXPR_INSN_LIST_cache): Likewise.
1748 * loop.c (temp_obstack):
1750 (rtl_obstack): Likewise.
1751 (init_loop): Don't mess with obstacks.
1752 (reg_address_cost): Free BIVs and GIVs.
1753 (check_insns_for_bivs): Use xmalloc, not oballoc.
1754 (find_mem_givs): Likewise.
1755 (record_biv): Likewise.
1756 (general_induction_var): Likewise.
1757 (product_cheap_p): Likewse.
1758 * optabs.c (init_one_libfunc): Remove
1760 * print-tree.c (debug_tree): Don't use
1762 (print_node): Likewise.
1763 * profile.c (output_func_start_profiler):
1764 Remove call to temporary_allocation.
1766 (eliminate_regs_in_insn): Don't mess with obstacks.
1768 (mark_target_live_regs): Use xmalloc.
1769 (free_resource_info): Free the memory.
1770 * rtl.c (rtl_obstack):
1772 (rtvec_alloc): Don't mess with obstacks.
1773 (rtx_alloc): Likewise.
1775 (copy_rtx): Don't handle `b' cases.
1776 (read_rtx): Use a local rtl_obstack.
1777 * rtl.h (oballoc): Remove.
1779 (pop_obstacks): Likewise.
1780 (push_obstacks): Likewise.
1781 (allocate_bb_life_data): Likewise.
1782 (allocate_reg_life_data): Likewise.
1783 (rtx_free): Likewise.
1784 * sdbout.c (sdbout_queue_anonymous_type):
1785 Use tree_cons, not saveable_tree_cons.
1787 (cselib_init): Don't mess with obstacks.
1789 (mark_block_nesting): Mark the label_chain.
1790 (epxand_label): Use ggc_alloc, not oballoc.
1791 (clear_last_expr): Don't mess with obstacks.
1792 (expand_decl_cleanup): Likewise.
1793 (expand_dcc_cleanup): Likewise.
1794 (expand_dhc_cleanup): Likewise.
1795 (expand_anon_union_decl): Likewise.
1796 (add_case_node): Use xmalloc, not oballoc.
1797 (free_case_nodes): New function.
1798 (expand_end_case): Call it.
1799 * stor-layout.c (layout_type): Don't
1801 (layout_type): Likewise.
1802 * toplev.c (wrapup_global_declarations):
1804 (compile_file): Remove ggc_p conditionals.
1805 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1806 (decode_f_option): Remove ggc_p conditionals.
1808 (function_maybepermanent_obstack): Remove.
1809 (maybepermanent_obstack): Likewise.
1810 (function_obstack): Likewise.
1811 (tmeporary_obstack): Likewise.
1812 (momentary_obstack): Likewise.
1813 (temp_decl_obstack): Likewise.
1814 (saveable_obstack): Likewise.
1815 (rtl_obstack): Likewise.
1816 (current_obstack): Likewise.
1817 (expression_obstack): Likewise.
1818 (struct obstack_stack): Likewise.
1819 (obstack_stack): Likewise.
1820 (obstack_stack_obstack): Likewise.
1821 (maybepermanent_firstobj): Likewise.
1822 (temporary_firstobj): Likewise.
1823 (momentary_firstobj): Likewise.
1824 (temp_decl_firstobj): Likewise.
1825 (momentary_function_firstobj): Likewise.
1826 (all_types_permanent): Likewise.
1827 (struct momentary_level): Likewise.
1828 (momentary_stack): Likewise.
1829 (init_obstacks): Remove initialization of removed obstacks.
1830 (save_tree_status): Remove.
1831 (restore_tree_status): Likewise.
1832 (temporary_allocation): Liekwise.
1833 (end_temporary_allocation): Liekwise.
1834 (resume_temporary_allocation): Likewise.
1835 (saveable_allocation): Likewise.
1836 (push_obstacks): Likewise.
1837 (push_obstacks_nochange): Likewise.
1838 (pop_obstacks): Likewise.
1839 (allocation_temporary_p): Likewise.
1840 (permanent_allocation): Likewise.
1841 (preserve_data): Likewise.
1842 (preserve_initializer): Likewise.
1843 (rtl_in_current_obstack): Likewise.
1844 (rtl_in_saveable_obstack): Likewise.
1845 (oballoc): Likewise.
1847 (savealloc): Likewise.
1848 (expralloc): Likewise.
1849 (print_obstack_name): Likewise.
1850 (debug_obstack): Likewise.
1851 (object_permanent_p): Likewise.
1852 (push_momentary): Likewise.
1853 (perserve_momentary): Likewise.
1854 (clear_momentary): Likewise.
1855 (pop_momentary): Likewise.
1856 (pop_momentary_nofree): Likewise.
1857 (suspend_momentary): Likewise.
1858 (resume_momentary): Likewise.
1859 (make_node): Don't set TREE_PERMANENT.
1860 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1861 Don't set TREE_PERMANENT.
1862 (get_identifier): Remove ggc_p conditionals.
1863 (build_string): Likewise.
1864 (make_tree_vec): Likewise.
1865 (build_decl_list): Remove.
1866 (build_expr_list): Likewise.
1867 (tree_cons): Remove ggc_p conditionals.
1868 (decl_tree_cons): Remove.
1869 (expr_tree_cons): Likewise.
1870 (perm_tree_cons): Likewise.
1871 (temp_tree_cons): Likewise.
1872 (saveable_tree_cons): Likewise.
1873 (build1): Remove ggc_p conditionals.
1874 (build_parse_node): Likewise.
1875 (build_type_attribute_variant): Don't mess with obstacks.
1876 (build_type_copy): Likewise.
1877 (type_hash_canon): Likewise.
1878 (build_pointer_type): Likewise.
1879 (build_reference_type): Likewise.
1880 (build_index_type): Likewise.
1881 (build_range_type): Likewise.
1882 (dump_tree_statistics): Don't print obstack information.
1884 (struct tree_common): Remove permanent_flag.
1885 (TREE_PERMANENT): Remove.
1886 (TREE_SET_PERMANENT): Likewise.
1887 (TYPE_OBSTACK): Likewise.
1888 (struct tree_type): Remove obstack.
1890 (savealloc): Likewise.
1891 (build_decl_list): Likewise.
1892 (build_expr_list): Likewise.
1893 (perm_tree_cons): Likewise.
1894 (temp_tree_cons): Likewise.
1895 (saveable_tree_cons): Likewise.
1896 (decl_tree_cons): Likewise.
1897 (expr_tree_cons): Likewise.
1898 (suspend_momentary): Likewise.
1899 (allocation_temporary_p): Likewise.
1900 (resume_momentary): Likewise.
1901 (push_obstacks_nochange): Likewise.
1902 (permanent_allocation): Likewise.
1903 (push_momentary): Likewise.
1904 (clear_momentary): Likewise.
1905 (pop_momentary): Likewise.
1906 (end_temporary_allocation): Likewise.
1907 (pop_obstacks): Likewise.
1908 (push_obstacks): Likewise.
1909 (pop_momentary_nofree): LIkewise.
1910 (preserve_momentary): Likewise.
1911 (saveable_allocation): Likewise.
1912 (temporary_allocation): Likewise.
1913 (resume_temporary_allocation): Likewise.
1914 (perserve_initializer): Likewise.
1915 (debug_obstack): Likewise.
1916 (rtl_in_current_obstack): Likewise.
1917 (rtl_in_saveable_obstack): Likewise.
1919 * varasm.c (current_obstack): Remove.
1920 (saveable_obstack): Remove.
1921 (rtl_obstack): Remove.
1922 (immed_double_const): Don't mess with obstacks.
1923 (immed_real_cons): Likewise.
1924 (output_constant_def): Likewise.
1925 (init_varasm_status): Use xcalloc.
1926 (mark_pool_constant): Mark the pool constant itself.
1927 (free_varasm_status): Free memory.
1928 (decode_rtx_const): Call bzero directly, rather than expanding it
1930 (record_rtx_const): Don't mess with obstacks.
1931 (force_const_mem): Likewise.
1932 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1934 (aof_pic_entry): Likewise.
1935 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1936 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1937 * config/pa/pa.c (saveable_obstack): Remove.
1938 (rtl_obstack): Likewise.
1939 (current_obstack): Likewise.
1940 (output_call): Don't mess with obstacks.
1941 (hppa_encode_label): Remove ggc_p conditionals.
1942 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1943 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1944 (rs6000_encode_section_info): Likewise.
1945 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1947 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1949 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1950 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1951 (addsi3_carry): Canonicalize.
1952 (addqi_5): Remove '*'.
1953 (sbb pattern): Canonicalize.
1955 * i386.md (cmp to inc/add peep2): New.
1957 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1959 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1962 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1964 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1965 * README.TRAD, TESTS.FLUNK: Remove.
1967 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1969 * c-common.c (decl_attributes): Don't allow strftime formats with
1970 first_arg_num nonzero.
1971 (check_format_info): Set wanted_type and wanted_type_name to zero
1972 before they are possibly assigned and used.
1974 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1976 * c-common.c (scanf_flag_specs): Add flags ' and I.
1977 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1978 or the ^ and # flags together.
1979 (scan_char_table): Handle the ' and I flags.
1980 (format_types): Add ' and I flags for scanf.
1982 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1984 * c-common.c (print_char_table): Use the unpromoted type for
1985 lengths "h" and "hh" with conversions dioxXu.
1986 (check_format_types): Apply the default argument promotions where
1987 the wanted type is not a pointer target.
1989 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1990 Joseph S. Myers <jsm28@cam.ac.uk>
1992 * c-typeck.c (check_modify_expr): New function.
1993 (build_modify_expr): Call it if warn_sequence_point.
1994 * c-decl.c (warn_sequence_point): New variable.
1995 (c_decode_option): Handle -Wsequence-point and
1996 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1997 * c-tree.h (warn_sequence_point): Declare.
1998 * invoke.texi (-Wsequence-point): Document.
1999 * toplev.c (documented_lang_options): Add -Wsequence-point and
2000 -Wno-sequence-point.
2001 Original work by Michael Meeks, 16 Jun 1998.
2003 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2005 * tree.c (get_narrower): Don't look at precision of field if
2008 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2010 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2011 declaration for data with "progmem" attribute.
2013 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2015 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2016 Correct insn length if shift count is a memory operand.
2017 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2018 (*iorhi3_clobber): Change lo8 to hi8.
2019 (zero_extendhisi2): Change %B0 to %A1.
2020 (ashlhi3, ashrhi3): Correct insn length.
2021 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2022 from "clobber" to "set_n" in some alternatives.
2024 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2026 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2027 remove its insn_chain structure as well.
2029 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2031 * dbxout.c (dbxout_source_line): Remove extra tab.
2033 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2035 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2037 2000-10-09 Richard Henderson <rth@cygnus.com>
2039 * Makefile.in (LANG_LIB2FUNCS): Remove.
2040 (LIB2FUNCS): Remove _pure.
2041 (LIB2ADD): Remove LANG_LIB2FUNCS.
2042 (stage_a): Don't set LANG_LIB2FUNCS.
2043 * libgcc2.c (__terminate): Mark noreturn.
2044 (__pure_virtual): Remove.
2045 * mklibgcc.in: Remove LIB2ADD .txt processing.
2047 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2049 * arm.md (push_multi): Revert unintended change.
2051 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2053 * arm.c: Miscellaneous white space and comment clean-ups. No
2057 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2059 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2060 STRING_CST by calling combine_strings.
2062 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2064 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2065 (thumb_output_move_mem_multiple): Support new insn format.
2066 * arm.md (movmem12b): Use SSA compatible format.
2067 (movmem8b): Likewise.
2069 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2071 * arm.md (predicable): New attribute, default to "no".
2072 (all patterns): Mark as predicable if appropriate.
2073 (conditional execution splits): Split using predication format.
2074 (define_cond_exec): Define.
2075 * arm.c (arm_print_operand): handle insn predicate.
2077 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2079 * README.NS32K: Remove file.
2081 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2083 * README-bugs: Remove file.
2085 2000-10-08 Philipp Thomas <pthomas@suse.de>
2086 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2088 * configure: Rebuilt.
2090 2000-10-08 Philipp Thomas <pthomas@suse.de>
2091 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2092 disable catalog building if no suitable program was found.
2093 Move warning message from here
2094 (AM_GNU_GETTEXT): To here.
2095 * configure: Rebuilt.
2097 2000-10-08 Philipp Thomas <pthomas@suse.de>
2098 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2099 different cache variables.
2100 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2101 uses different cache variables.
2102 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2103 * configure: Regenerated.
2105 2000-10-08 Richard Henderson <rth@cygnus.com>
2107 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2108 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2109 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2112 * config/t-linux (SHLIB_EXT): New.
2113 (SHLIB_LINK): Use the entire build command, with substitutions.
2114 (SHLIB_LIBS): Remove.
2115 * config/alpha/t-osf4: Likewise.
2116 * config/mips/t-iris6: Likewise.
2117 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2118 * config/sparc/t-slibgcc-sld: ...here.
2119 * config/sparc/t-slibgcc: New file.
2121 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2123 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2124 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2126 (intmax_type_node, uintmax_type_node): Define.
2127 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2128 attributes create a type wider than intmax_t.
2129 (T_IM, T_UIM): Define properly.
2130 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2132 (init_decl_processing): Initialize intmax_type_node and
2134 * c-lex.c (lex_number): When pedantic and warning for integer
2135 constants that are too large, in C99 mode warn for those that have
2136 a type wider than long long.
2138 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2140 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2141 FMT_FLAG_FANCY_PERCENT_OK): Define.
2142 (format_char_info): Add flag "4" to comment.
2143 (format_flag_spec, format_flag_pair): New structures.
2144 (format_kind_info): Add additional fields to control format
2146 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2147 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2149 (time_char_table): Use "4" flag to handle %Ey.
2150 (format_types): Add entries for new fields.
2151 (get_flag_spec): New function.
2152 (check_format_info): Increase size of flag_chars[] to 256.
2153 Control format checking using the new fields of a format_kind_info
2154 and the new tables; remove all conditionals on printf_format_type,
2155 scanf_format_type or strftime_format_type. Handle all details of
2156 bad combinations of flags (including width, precision and strftime
2157 modifiers) through data rather than ad hoc code. Handle all
2158 details of standard versions in which flags appeared through
2159 data. Use the "4" flag.
2161 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2163 * config/h8300/h8300.md: Remove the memory alternative and correct
2164 the insn lengths in the templates for sign extention and zero
2167 2000-10-07 Richard Henderson <rth@cygnus.com>
2169 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2170 * flow.c (make_edges): Revert last change.
2172 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2174 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2176 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2178 * config/alpha/elf.h: Standardize the formatting.
2180 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2182 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2185 2000-10-06 Richard Henderson <rth@cygnus.com>
2187 * function.c (diddle_return_value): Examine
2188 current_function_return_rtx instead of the DECL_RESULT.
2189 (expand_function_end): Handle reloading DECL_RESULT from memory
2190 into a hard register. Query promote_mode for sign of mismatched
2193 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2195 * haifa-sched.c (schedule_insns): Fix typo in freeing
2196 forward_dependency_cache.
2198 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2200 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2201 `TARGET_SH2' as a condition.
2203 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2205 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2206 forward_dependency_cache): New variables.
2207 (add_dependence, remove_dependence): Use anti_dependency_cache and
2208 output_dependency_cache.
2209 (compute_block_forward_dependences): Use forward_dependency_cache.
2210 (schedule_insns): Allocate and free memory for anti/output/forward
2211 dependencies caches.
2213 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2215 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2216 `! TARGET_SH1'. Reindent.
2218 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2220 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2221 Move functions from here ...
2223 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2225 (c_expand_builtin): New function.
2226 (init_function_format_info): Don't set `check_function_format_ptr'.
2227 (c_common_nodes_and_builtins): Set built_in_class type for
2228 printf/__builtin_printf to BUILT_IN_FRONTEND.
2229 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2231 * c-common.h (build_function_call): Declare.
2233 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2234 to `lang_expand_expr' rather than `expand_builtin'.
2236 * tree.c (check_function_format_ptr): Delete.
2238 * tree.h (check_function_format_ptr): Likewise.
2240 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2242 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2243 DW_OP_bregx when cfa->reg > 31.
2245 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2248 2000-10-05 Richard Henderson <rth@cygnus.com>
2250 * c-decl.c (warn_missing_noreturn): Remove.
2251 (c_expand_body): Don't set or check can_reach_end.
2252 * c-tree.h (warn_missing_noreturn): Move ...
2253 * flags.h: ... here.
2254 (can_reach_end): Remove.
2255 * flow.c (check_function_return_warnings): New.
2256 (make_edges): No edge to exit for noreturn sibcalls.
2257 * function.c (expand_function_end): Save the return value
2258 clobber instruction.
2259 (mark_function_status): Mark it.
2260 * function.h (struct function): Add x_clobber_return_insn.
2261 * jump.c (can_reach_end): Remove.
2262 (calculate_can_reach_end): Remove.
2263 (jump_optimize_1): Don't call it.
2264 * output.h (check_function_return_warnings): Declare.
2265 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2266 (rest_of_compilation): Call check_function_return_warnings.
2268 2000-10-05 Richard Henderson <rth@cygnus.com>
2270 * Makefile.in (NM_FOR_TARGET): New.
2271 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2272 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2273 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2274 shared library build on that and EXTRA_MULTILIB_PARTS.
2275 * mkmap-flat.awk: New file.
2276 * mkmap-symver.awk: New file.
2277 * libgcc-std.ver: New file.
2278 * config/libgcc-glibc.ver: New file.
2279 * config/ia64/libgcc-ia64.ver: New file.
2280 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2281 (SHLIB_LINK): Add --version-script.
2282 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2283 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2284 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2285 (SHLIB_LINK): Add -M.
2287 2000-10-05 Richard Henderson <rth@cygnus.com>
2289 * Makefile.in (LIB2FUNCS): Add _clz.
2290 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2291 (__clz_tab): Put in its own unit, non-static.
2292 * libgcc2.h: Always include longlong.h.
2294 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2295 a zero instead of -1.
2296 (count_trailing_zeros): Likewise.
2298 2000-10-05 Richard Henderson <rth@cygnus.com>
2300 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2301 when second op1 is const0_rtx. Validate op0 as a register.
2302 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2303 in the first argument of the compare.
2304 (setcc_swapped_internal): Likewise.
2305 (setne_internal): Likewise.
2307 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2309 * tree.c (tree_size): New function split out of copy_node.
2310 (make_node): Remove obstack handling. Use tree_size.
2311 (copy_node): Use tree_size.
2312 * tree.h: Prototype tree_size.
2314 2000-10-05 Richard Henderson <rth@cygnus.com>
2316 * diagnostic.c (output_format): Add missing break.
2318 2000-10-05 Jim Wilson <wilson@cygnus.com>
2320 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2321 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2322 sequence insn to INSN, and delete last sequence insn.
2324 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2326 * gcc.c (main): Include generated configargs.h header
2327 and use arguments in '-v' output.
2329 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2331 * gcc.c: Move data on prefixes forward in file and reorganize.
2332 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2333 Always define, but make null if no value.
2334 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2335 and "md_startfile_prefix_1".
2336 (main): Check whether md_exec_prefix and the others are the
2337 null string rather than whether the macro is defined.
2339 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2341 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2342 from PSImode to SImode.
2344 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2346 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2347 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2348 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2351 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2353 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2354 negation in proper type.a
2356 2000-10-04 Richard Henderson <rth@cygnus.com>
2358 * configure.in (enable-shared): New.
2359 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2360 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2361 * mklibgcc.in: Use them to link shared a libgcc.
2362 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2363 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2364 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2365 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2367 * configure.in (alpha-osf*): Use t-osf and x-osf.
2368 * config/alpha/t-osf: New file.
2369 * config/alpha/t-osf4: New file.
2370 * config/alpha/x-osf: New file.
2371 * config/alpha/x-alpha: Remove file.
2373 2000-10-04 Will Cohen <wcohen@redhat.com>
2375 * c-typeck.c (process_init_element): Added warning for zero-length
2378 * extend.texi (Zero Length): State that static initializers for
2379 zero-length arrays are not allowed.
2381 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2383 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2386 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2388 * config/float-c4x.h: New.
2389 * configure.in (c4x-*): Set float_format to c4x.
2390 * configure: Regenerate.
2392 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2394 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2395 compilation for solaris versions 2.7 and greater.
2397 2000-10-02 Marc Espie <espie@openbsd.org>
2399 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2400 instead of redefining from scratch.
2402 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2404 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2406 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2408 * config/ns32k/genix.h: Remove.
2409 * config/ns32k/x-genix: Likewise.
2410 * config/ns32k/xm-genix.h: Likewise.
2411 * config/fx80: Remove all filee in directory.
2412 * config/pyr: Likewise.
2413 * config/tahoe: Likewise.
2414 * config/gmicro: Likewise.
2415 * config/spur: Likewise.
2416 * configure.in: Remove configury bits for above targets.
2417 * configure: Regenerated.
2419 * configure.in: Don't configure chill by default.
2420 * configure: Regenerated.
2422 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2423 (lang_mark_false_label_stack): Remove.
2424 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2425 <top level> string in GC area.
2426 (mark_splay_tree_node): New function.
2427 (mark_splay_tree): Likewise.
2428 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2430 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2431 * ggc-common.c (lang_mark_false_label_stack): Change type.
2432 * ggc.h (ggc_alloc_string): Add comment.
2433 (ggc_strdup): New function.
2435 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2437 * config/avr/avr.h (BRANCH_COST): Define as 0.
2439 * config/pdp11/pdp11.c: #include "tree.h" added.
2441 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2443 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2444 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2445 with known shift count.
2446 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2447 New alternative for shift count 2 with no scratch register.
2448 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2449 "set_n" for shift counts 1 and 2.
2451 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2453 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2454 the mask value from the individual SET operations.
2455 (return_internal_si): Move the USE after the RETURN.
2456 (return_internal_di): Likewise.
2457 (return_and_restore_fpregs_si): Likewise.
2458 (return_and_restore_fpregs_di): Likewise.
2459 (return_eh_si): Likewise.
2460 (return_eh_di): Likewise.
2461 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2463 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2464 Don't generate a PARALLEL around a single operation movsi_to_cr.
2465 Generate the RETURN first in any PARALLELs.
2467 * rtlanal.c (single_set_1): Use fatal_insn to display the
2468 invalid insn. Check for more cases when a USE or CLOBBER occurs
2470 * Makefile.in: Update dependencies for rtlanal.o.
2472 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2474 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2476 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2478 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2479 Consistently use @email for formatting email addresses.
2481 2000-09-29 Richard Henderson <rth@cygnus.com>
2483 * cse.c (notreg_cost): New argument outer.
2484 (COST): Pass in SET to notreg_cost
2486 (fold_rtx): Use COST_IN. Prefer constants when costs
2489 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2491 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2492 * fixinc/fixincl.x: Regenerate.
2494 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2496 * loop.c (check_final_value): A GIV is not replaceable if used
2499 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2501 * version.c: Bump to gcc-2.97.
2503 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2505 * final.c (final_scan_insn): Remove extra extract_insn call;
2506 Use caching for constrain_operands.
2507 (cleanup_subreg_operands): Use caching for extract_insn.
2508 * recog.c (constrain_operands_cached): New.
2509 * recog.h (constrain_operands_cached): Declare.
2510 * i386.c (ix86_attr_length_immediate_default,
2511 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2514 * recog.c (asm_noperands): Tweak.
2515 (extract_insn): Do not call asm_noperads for non-asm instructions.
2517 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2519 * recog.c (recog_memoized): Rename to recog_memoized_1.
2520 * recog.h (recog_memoized): Rename to recog_memoized_1.
2521 (recog_memoized): New macro.
2522 * rtl.h (single_set): Rename to single_set_1
2523 (single_set): New macro.
2524 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2527 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2528 Do not use match_dup of input operands at outputs.
2529 Use register_operand for memory expression.
2530 (rep_movsi): Put use last, canonicalize.
2531 Use register_operand for memory expression.
2532 (rep_movqi): Put use last.
2533 Use register_operand for memory expression.
2534 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2535 of input operands at outputs. Use register_operand for memory
2537 (rep_stossi): Put use last; canonicalize; fix match_dup in
2538 the address expression
2539 (rep_stosqi): Likewise.
2540 (memcmp expander): Update calls.
2541 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2544 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2546 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2548 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2550 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2551 Contains the old contents of config/i386/freebsd.h
2552 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2553 Contains the old contents of config/i386/freebsd-elf.h
2554 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2555 config/i386/freebsd.h.
2556 * configure.in: Adjust for above changes.
2557 * po/POTFILES.in: Likewise.
2558 * po/en_GB.po: Likewise.
2559 * po/gcc.pot: Likewise.
2560 * configure: Rebuilt.
2562 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2564 * doloop.c (doloop_modify): Prevent delete_insn() from
2565 deleting too much. Prefer loop->top over loop->start as
2566 target for the new JUMP insn.
2567 (doloop_valid_p): Ignore loop with exit_count != 0.
2569 2000-09-28 Philipp Thomas <pthomas@suse.de>
2571 * invoke.texi (i386 Options): Add athlon to table of possible
2574 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2576 * diagnostic.h (output_clear_message_text): New function.
2577 (output_message_text): New macro.
2579 * diagnostic.c (clear_text_info): Rename to
2580 output_clear_message_text.
2581 (output_clear): Adjust.
2582 (output_finish): Rename to output_finalize_message. Tweek.
2583 (output_to_stream): Adjust.
2585 2000-09-28 Neil Booth <neilb@earthling.net>
2587 * cpperror.c (_cpp_begin_message): Do the test for suppression
2588 of warnings and pedantic warnings before the "is a warning an
2590 * cppinit.c (cpp_handle_option): Remove surplus \n.
2591 * cpplex.c (ON_REST_ARG): Delete.
2592 (skip_block_comment): Initialise prevc.
2593 (parse_args): Improve error messages.
2594 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2596 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2597 * cppmain.c (main): Set callbacks for #ident and #pragma
2598 only if no_output option is false.
2599 (do_pragma_implementation): Only call the #pragma handler
2600 if it is set in the cpp_reader structure.
2602 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2604 * integrate.c (copy_insn_list): if an ignored return value
2605 is being clobbered, skip cloning that into the inline copy.
2607 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2610 use @uref for formatting URLs.
2612 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2614 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2617 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2619 * gcc.c (cpp_options): Add spec for -ftabstop=.
2620 (invoke_as): New spec that handles invoking as.
2621 Update specs to handle -save-temps and -traditional.
2622 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2624 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2625 invoke_as, and handle -save-temps and -traditional (if
2628 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2630 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2632 (function_arg_slotno): Accept TImode/CTImode.
2633 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2636 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2638 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2641 2000-09-25 Jim Wilson <wilson@cygnus.com>
2643 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2644 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2645 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2646 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2648 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2650 * cpplex.c (parse_args): Don't set VOID_REST flag.
2651 (CONTEXT_VARARGS): New flag.
2652 (maybe_paste_with_next): Set context earlier in loop. Use
2653 it. Do varargs test with CONTEXT_VARARGS flag.
2654 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2655 pushing an argument context for a varargs argument.
2656 * cpplib.h (VOID_REST): Delete.
2657 * gcc.dg/cpp/vararg1.c: Add test case.
2659 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2661 * flags.h: Declare warning flag warn_system_headers.
2662 * toplev.c: Define it.
2663 (W_options): Add option -Wsystem-headers.
2664 * diagnostic.c (count_error): Test warn_system_headers.
2665 * invoke.texi: Add description for -Wsystem-headers.
2666 * cpplib.h (cpp_options): New member warn_system_headers.
2667 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2668 CPP_IN_SYSTEM_HEADER.
2669 * cpplib.c (do_import, do_pragma_once): Likewise.
2670 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2671 and CPP_IN_SYSTEM_HEADER.
2672 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2673 (print_help): Describe -Wsystem_headers.
2674 * cpplex.c (lex_line): Reorganize condition so that warnings
2675 about C++ comments in system headers can be enabled. Remove
2676 label do_line_comment.
2678 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2680 * cpplex.c (save_comment): Only store the initial '/'
2682 (lex_token): Combine handling of the two comment types.
2683 Pass everything but the initial '/' to save_comment.
2685 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2687 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2688 _cpp_can_paste): New library-internal prototypes.
2689 * cpplex.c (dump_param_spelling, output_line_command,
2690 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2691 cpp_printf, cpp_output_list): Move to cppoutput.c.
2692 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2693 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2695 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2696 dump_param_spelling, output_line_command, cpp_scan_buffer,
2697 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2699 * Makefile.in: Add cppoutput.c.
2700 * po/POTFILES.in: Add cppoutput.c.
2702 2000-09-25 Richard Henderson <rth@cygnus.com>
2704 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2705 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2706 split until after reload.
2707 (rotlsi3, rotldi3): New.
2709 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2711 * diagnostic.c (output_last_position): Define.
2712 (set_real_maximum_length): Tweek.
2713 * diagnostic.h (output_last_position): Declare.
2715 2000-09-25 Kazu Hirata <kazu@hxi.com>
2717 * config/i386/i386.c: Fix formatting.
2719 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2721 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2722 UNITS_PER_WORD is small.
2724 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2726 * c-common.c (format_char_info): Add flags2; update comments.
2727 (print_char_table, scan_char_table, time_char_table): Split some
2728 flags out into flags2.
2729 (check_format_info): Use flags2 for those flags, for identifying
2730 the initial character of a scanf scanset, and for identifying
2731 printf formats where the '0' flag is ignored with precision.
2733 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2735 Changes below marked "here" add TABs on either or both sides,
2736 covering start of line, up to any operand for all noted .*ASM.*_OP
2737 definitions. All callers changed.
2738 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2739 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2740 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2741 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2742 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2743 Fix typos in description for LONG_LONG_TYPE_SIZE and
2744 FINI_SECTION_ASM_OP.
2745 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2746 why these defaults don't have leading spacing.
2747 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2748 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2749 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2750 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2751 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2752 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2753 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2754 * varasm.c (ASM_STABS_OP): Here.
2755 * xcoffout.h (ASM_STABS_OP): Here.
2756 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2757 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2758 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2759 STRING_ASM_OP): Here.
2760 * config/freebsd.h (IDENT_ASM_OP): Here.
2761 * config/linux-aout.h (SET_ASM_OP): Here.
2762 * config/linux.h (SET_ASM_OP): Here.
2763 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2765 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2766 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2767 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2768 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2770 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2771 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2772 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2773 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2774 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2775 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2776 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2777 * config/a29k/udi.h (INT_ASM_OP): Here.
2778 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2779 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2781 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2782 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2783 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2784 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2785 ASM_STABD_OP): Here.
2786 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2787 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2788 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2789 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2790 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2791 SIZE_ASM_OP, STRING_ASM_OP): Here.
2792 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2793 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2794 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2795 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2796 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2797 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2799 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2800 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2801 * config/arm/coff.h (INT_ASM_OP): Here.
2802 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2803 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2804 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2805 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2806 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2807 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2808 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2809 STRING_ASM_OP): Here. Update documentation copy in comments.
2810 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2811 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2812 DATA_SECTION_ASM_OP): Here.
2813 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2815 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2816 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2817 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2818 BSS_SECTION_ASM_OP): Here.
2819 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2820 BSS_SECTION_ASM_OP): Here.
2821 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2823 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2824 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2825 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2826 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2827 BSS_SECTION_ASM_OP): Here.
2828 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2829 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2830 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2831 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2832 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2834 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2835 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2837 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2838 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2839 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2840 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2842 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2843 * config/i386/netbsd.h (INT_ASM_OP): Here.
2844 * config/i386/openbsd.h (INT_ASM_OP): Here.
2845 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2846 IDENT_ASM_OP): Here.
2847 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2848 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2849 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2850 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2851 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2852 SHARED_BSS_SECTION_ASM_OP): Here.
2853 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2854 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2855 DATA_SECTION_ASM_OP): Here.
2856 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2857 CONST_SECTION_ASM_OP): Here.
2858 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2859 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2860 BSS_SECTION_ASM_OP): Here.
2861 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2862 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2863 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2864 BSS_ASM_OP): Here, but use trailing spaces.
2865 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2866 DATA_SECTION_ASM_OP): Here.
2867 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2869 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2870 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2871 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2872 TDESC_SECTION_ASM_OP): Here.
2873 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2874 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2875 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2877 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2878 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2879 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2880 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2881 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2882 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2883 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2884 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2885 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2886 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2887 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2888 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2890 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2891 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2892 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2893 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2894 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2895 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2896 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2897 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2898 GLOBAL_ASM_OP): Here.
2899 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2900 BSS_SECTION_ASM_OP): Here.
2901 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2902 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2903 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2904 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2906 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2907 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2908 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2909 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2910 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2911 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2912 but use trailing spaces.
2913 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2914 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2915 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2917 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2918 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2919 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2920 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2921 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2922 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2923 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2924 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2925 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2926 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2927 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2928 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2930 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2931 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2932 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2933 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2934 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2935 DTORS_SECTION_ASM_OP): Here.
2936 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2937 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2938 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2939 BSS_SECTION_ASM_OP): Here.
2940 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2941 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2942 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2943 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2944 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2945 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2946 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2947 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2949 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2951 * config/mips/osfrose.h (SET_ASM_OP): Here.
2952 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2953 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2954 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2955 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2957 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2958 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2959 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2960 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2961 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2962 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2964 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2966 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2967 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2968 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2970 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2971 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2972 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2973 * config/sparc/linux64.h (COMMON_ASM_OP,
2974 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2975 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2976 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2977 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2978 * config/sparc/pbd.h (ASM_INT_OP): Here.
2979 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2980 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2981 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2982 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2983 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2984 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2985 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2986 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2987 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2988 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2989 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2990 EH_FRAME_SECTION_ASM_OP): Here.
2991 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2992 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2994 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2996 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2997 TCOMMON_ASM_OP): Here.
2998 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3000 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3003 2000-09-25 Richard Henderson <rth@cygnus.com>
3005 * expmed.c (store_bit_field): Adjust last change to not consider
3006 any word-sized field naturally aligned.
3008 2000-09-24 Richard Henderson <rth@cygnus.com>
3010 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3011 TFmode unordered compares properly. Revalidate integer compare
3013 (alpha_emit_setcc): New.
3014 (alpha_emit_conditional_move): Revalidate integer compare operands.
3015 * config/alpha/alpha-protos.h: Update.
3016 * config/alpha/alpha.md (cmpdi): Allow general operands.
3017 (sne): Use alpha_emit_setcc.
3018 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3019 (sunordered, sordered): New.
3021 2000-09-24 Richard Henderson <rth@cygnus.com>
3023 * config/ia64/ia64-protos.h: Update.
3024 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3025 (ia64_expand_call): New.
3026 (ia64_expand_prologue): Emit an alloc if we need extra input
3028 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3029 instruction if true.
3030 (struct reg_flags): Add is_sibcall.
3031 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3032 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3033 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3034 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3035 * config/ia64/ia64.md (call): Use ia64_expand_call.
3036 (call_value): Likewise.
3037 (sibcall, sibcall_value): New.
3038 (call patterns): Remove extra expanders; tidy.
3039 (sibcall_epilogue): New.
3040 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3042 2000-09-24 Richard Henderson <rth@cygnus.com>
3044 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3046 * sibcall.c (skip_pic_restore): New.
3047 (identify_call_return_value): Use it.
3049 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3051 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3052 functions. Generalize to handle both C and C++.
3053 * Makefile.in (c-tree.info): New target.
3054 (info): Add c-tree.info.
3056 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3058 * expr.c (store_field): If BITSIZE is negative, use size of type.
3059 (expand_expr, case COMPONENT_EXPR): Likewise.
3061 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3063 * cpplex.c: Update TODO comment.
3064 * cpplib.c (do_error, do_warning): Merge common code of
3065 do_error and do_warning into do_diagnostic. Use it.
3066 (do_diagnostic): New function.
3067 * cpplib.h: Fix comment typo.
3069 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3071 * c-common.c (check_format_info): Warn for a wide character string
3072 used as a non-wide format argument.
3074 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3076 * builtins.def (BUILT_IN_LLABS): Add.
3077 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3078 * c-common.c (c_common_nodes_builtins): Create builtin functions
3079 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3080 outside of C99 mode.
3081 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3083 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3085 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3086 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3087 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3088 _cpp_free_toklist): No need to worry about extra dummy token
3089 at the start of token lists any more.
3090 (trigraph_ok): Only warn outside comments.
3091 (skip_block_comment): Set and clear lexing_comment.
3092 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3093 Set and clear lexing_comment.
3094 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3095 (check_long_token): Delete.
3096 (lex_percent, lex_dot): New subroutines of lex_token to
3097 handle lexing of '.' and '%' without lookback.
3098 (lex_token): Use lex_dot and lex_percent.
3099 (lex_line): Don't check for LIST_OFFSET.
3100 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3101 * cpplib.c (_cpp_parse_assertion): Similarly.
3102 (cpp_push_buffer): Initialize extra_char.
3103 * cpplib.h (LIST_OFFSET): Delete.
3104 (struct cpp_buffer): New member extra_char.
3105 (struct lexer_state): New members lexing_comment and seen_dot.
3107 2000-09-23 Jason Merrill <jason@redhat.com>
3109 * config/rs6000/x-aix41 (CLIB): Define here.
3110 * config/rs6000/t-aix43: Not here.
3111 * config/rs6000/t-aix41: Or here. Remove.
3112 * configure.in: Don't use it.
3114 2000-09-22 Jason Merrill <jason@redhat.com>
3116 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3117 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3118 * config.in: Regenerate.
3120 * configure.in: Fix checks for assembler features when using a
3121 one-tree assembler that has not yet been built.
3122 Fix --disable-threads.
3124 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3126 * stmt.c (expand_asm_operands): Allow # in constraints.
3128 2000-09-22 Jason Merrill <jason@redhat.com>
3130 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3132 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3133 function-local names.
3135 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3136 Mark Mitchell <mark@codesourcery.com>
3138 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3139 * flags.h (warn_disabled_optimization): Add it here.
3140 * gcse.c (gcse_main): Add warning when disabled.
3141 * invoke.texi: Document -Wdisabled-optimization.
3143 2000-09-21 Jason Merrill <jason@redhat.com>
3145 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3147 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3148 (gen_variable_die): Call it for non-definitions.
3150 * dwarf2out.c (die_struct): Add die_mark field.
3151 (mark_dies, unmark_dies): New fns.
3152 (clear_die_sizes): Remove.
3153 (print_die): Check die_symbol rather than die_offset.
3154 (build_abbrev_table, output_pubnames, output_aranges): Check
3155 die_mark rather than die_offset.
3156 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3159 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3161 * cppfiles.c (lookup_include_file): Rename to open_file.
3162 Always create a splay tree value, even on syscall failures.
3163 Negative entries indicated by fd == -2.
3164 Re-open files closed in the meantime.
3165 (_cpp_fake_include): Create a negative splay tree entry.
3166 (find_include_file, cpp_read_file): Update for function name
3168 * gcc.gd/cpp/mi4.c: Testcase.
3170 2000-09-21 Nick Clifton <nickc@redhat.com>
3172 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3173 ARM and THUMB modes.
3175 * config/mcore/mcore.c: Fix compile time warnings.
3176 * config/mcore/mcore-protos.h: Fix compile time warnings.
3178 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3180 * configure.in: Correct test of gcc_cv_glibc.
3181 * configure: Rebuilt.
3182 * config.in: Rebuilt.
3184 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3186 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3187 (expand_builtin): Handle BUILT_IN_FWRITE.
3189 * builtins.def (BUILT_IN_FWRITE): New entry.
3191 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3193 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3195 * gcc.c (modify_target): New variable and struct.
3196 (process_command): Handle MODIFY_TARGET_NAME.
3197 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3198 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3200 * c-decl.c (finish_decl): Add else's to avoid referencing
3201 TYPE_DOMAIN of an ERROR_MARK.
3203 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3205 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3208 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3210 * config/avr/avr.md (neghi2): Add alternative for input and output
3211 operands in different registers, as in negsi2.
3212 (*negsi2): Remove '*' from the name. Use "movw" if available.
3214 2000-09-19 Jim Wilson <wilson@cygnus.com>
3216 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3217 HAVE_GAS_HIDDEN macro.
3219 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3221 * cpplex.c (lex_line): Drop the EOF token for unknown
3222 directives in assembler.
3224 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3226 * configure.in: Allow enable_threads_flag value of "aix". Define
3227 thread_file as "aix" for AIX 4.3 and above.
3228 * configure: Regenerated.
3230 * gthr-aix.h: New file.
3232 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3233 Remove 403 processor multilib match. Fix rios2 processor multilib
3236 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3237 to return to appropriate csect.
3239 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3241 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3243 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3244 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3247 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3250 * c-common.c (init_function_format_info): Handle __builtin_printf.
3251 Set `check_function_format_ptr'.
3252 (c_common_nodes_and_builtins): Set `puts_ftype' and
3253 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3254 __builtin_printf and printf.
3256 * tree.c, tree.h (check_function_format_ptr): Declare.
3258 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3260 * cppfiles.c (read_include_file): Take no special action for
3263 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3265 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3266 rather than that of branch.
3267 (shorten_branches): Don't increment insn_current_address twice.
3269 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3270 * loop.h (struct induction): Delete members derived, ix and last_use.
3271 (struct loop_ivs): Delete members first_increment_giv and
3273 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3274 recombine_givs): Delete functions.
3275 (find_and_verify_loops): Don't initialize cont_dominator.
3276 (strength_reduce): Lose code to try to find bivs that can be
3277 expressed as givs of another biv, and to convert biv increments
3279 Lose loop_scan_start variable, always use loop->scan_start.
3280 Don't call recombine_givs. Don't handle derived givs.
3281 (record_giv): Don't initialize derived and last_use fields.
3282 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3284 * unroll.c (derived_regs): Delete static variable.
3285 (unroll_loop): Don't initialize it.
3286 (copy_loop_body): Lose code to handle derived givs.
3287 (find_splittable_givs): Don't check for givs made from biv
3289 Don't set derived_regs.
3291 Fix misapplied earlier patch:
3292 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3294 (floatsisf2): Generate floatsisf_ie by default.
3295 (floatsisf_i4): Conditional on TARGET_SH4.
3297 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3298 predicate for the expanders.
3300 2000-09-19 Richard Henderson <rth@cygnus.com>
3302 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3303 in addition to pentium and pentiumpro symbols.
3304 (CPP_CPU_DEFAULT_SPEC): Likewise.
3306 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3309 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3310 if the tree has side effects.
3311 (warn_if_unused_value): Do not warn about void constructs.
3313 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3315 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3316 calling invert_jump.
3318 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3320 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3323 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3325 * Makefile.in (c-common.o): Depend on diagnostic.h.
3327 * c-common.c: Include diagnostic.h.
3329 (status_warning): New function.
3330 (check_format_info, maybe_read_dollar_number, check_format_types,
3331 finish_dollar_format_checking, check_function_format): Accept a
3332 `status' parameter. All callers changed.
3334 * c-common.h (check_function_format): Accept a `status' parameter.
3336 * c-typeck.c: Update call to `check_function_format'.
3338 2000-09-18 Richard Henderson <rth@cygnus.com>
3340 * c-decl.c (c_expand_body): Call mark_varargs before
3341 expand_function_start.
3343 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3345 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3346 * config/rs6000/eabi-ci.asm: Likewise.
3348 2000-09-18 Richard Henderson <rth@cygnus.com>
3350 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3353 2000-09-18 Jim Wilson <wilson@cygnus.com>
3355 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3356 before passing it to fold_rtx_mult_add.
3358 * unroll.c (final_giv_value): Pass increment through
3359 extend_value_for_giv before passing it to emit_iv_add_mult.
3361 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3362 paradoxical subreg, then directly substitute the replacement and
3365 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3367 * cpp.texi: Update documentation, including some clarifications,
3368 the treatment of various newline combinations, and space between
3369 backslash and newline.
3371 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3373 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3374 Replace ASM_OUTPUT_LABELREF with assemble_name.
3376 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3378 * sh.c (addsubcosts): CONST is not cheap.
3379 (find_barrier): For Sh1, take alignment after jumps into account.
3381 2000-09-15 Andrew Haley <aph@redhat.com>
3383 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3384 remove all SETs of SUBREGs of hard registers.
3385 * function.c (purge_hard_subreg_sets): New function.
3386 (purge_single_hard_subreg_set): New function.
3387 * rtl.h: (purge_hard_subreg_sets): New function.
3389 2000-09-18 Richard Henderson <rth@cygnus.com>
3391 * config/ia64/ia64-protos.h: Update.
3392 * config/ia64/ia64.c (signed_inequality_operator): New.
3393 (ia64_expand_compare): New.
3394 (ia64_register_move_cost): Handle PR_REGS moves.
3395 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3396 (struct reg_write_state): Add written_by_and/or.
3397 (struct reg_flags): Add is_and/or.
3398 (rws_update): Set them.
3399 (rws_access_regno): Test them to allow parallel comparisons.
3400 (rtx_needs_barrier): Recognize parallel comparisons.
3401 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3402 Call recog_memoized; ignore pred_rel_mutex.
3403 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3404 (ia64_reorg): Do it here instead.
3405 * config/ia64/ia64.h: s/CCmode/BImode/g
3406 (MODES_TIEABLE_P): Don't tie BImode.
3407 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3408 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3409 (RTX_COSTS): Make multiply 4 insns.
3410 (MEMORY_MOVE_COST): New.
3411 (PREDICATE_CODES): Update.
3412 * config/ia64/ia64.md: s/CCmode/BImode/g
3413 (movcci, movbi): New.
3414 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3415 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3416 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3417 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3418 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3419 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3420 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3421 (mulsi, muldi): Use xmpy not xma.
3423 (movcc, movcc_internal): Remove.
3424 (branch expanders): Use ia64_expand_compare.
3425 (setcc expanders): Likewise.
3426 (cmov insns): Use move_operand and ia64_move_ok.
3427 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3428 scheduler from moving it past a use.
3429 * config/ia64/build.hacks: Remove.
3431 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3433 * cpphash.h (HASHSTEP): Take character rather than pointer
3435 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3437 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3439 * cpplex.c (auto_expand_name_space, trigraph_replace,
3440 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3441 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3442 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3443 KNOWN_DIRECTIVE): Delete.
3445 (handle_newline, check_long_token, skip_escaped_newlines,
3446 unterminated): New functions.
3447 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3449 (parse_identifier): Was parse_name, new implementation.
3450 (skip_line_comment, skip_block_comment, skip_whitespace,
3451 parse_number, parse_string, trigraph_ok, save_comment,
3452 adjust_column, _cpp_get_line): New implementations.
3454 (lex_token): New function. Lexes a token at a time, looking
3455 forwards. Contains most of the guts of the old lex_line.
3456 (lex_line): New implementation, using lex_token to obtain
3458 (cpp_scan_buffer): Use the token's line, not the list's line.
3460 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3461 New implementations.
3462 (do_assert): Don't bother setting the answer's list's line.
3463 (cpp_push_buffer): Initialise new pfile and read_ahead members
3464 of struct cpp_buffer.
3466 * cpplib.h (cppchar_t): New typedef.
3467 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3469 (struct lexer_state): New structure that determines the state
3470 and behaviour of the lexer.
3471 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3472 (struct cpp_reader): New member "state". Rename
3473 multiline_string_line and multiline_string_column. Delete
3474 col_adjust, in_lex_line members.
3475 (CPP_BUF_COLUMN): Update.
3477 2000-09-18 Richard Henderson <rth@cygnus.com>
3479 * combine.c (simplify_comparison): Shift a NOT out of a single
3482 * combine.c (if_then_else_cond): Canonicalize BImode true to
3484 * explow.c (trunc_int_for_mode): Likewise.
3486 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3487 the NOT for De Morgan's rule.
3488 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3489 of a comparison to the reverse comparison.
3491 * combine.c (try_combine): Allow split to create a single insn.
3493 * machmode.def: Add BImode. Add a column for bitsize.
3494 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3495 (GET_MODE_BITSIZE): Use it.
3496 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3497 (mode_bitsize): New.
3498 (mode_mask_array): Use bitsize.
3499 * combine.c (combine_simplify_rtx): Require inner and outer
3500 modes to match on nonzero_bits optimizations.
3502 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3504 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3505 its entry in spill_reg_store.
3506 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3507 * sh.c (reg_no_subreg_operand): New function.
3508 * sh-protos.h (reg_no_subreg_operand): Declare it.
3509 * sh.h (PREDICATE_CODES): Add it.
3510 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3511 input operand that needs to be in fpul.
3512 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3513 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3514 might add new insns.
3516 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3518 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3520 (sh_expand_epilogue): Take the PIC register into account when
3521 computing the frame size.
3523 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3524 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3525 LABEL_REFs with a PIC-safe unspec.
3527 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3529 * c-common.c (check_format_info): Properly save the argument
3530 number and parameter for $ operand number formats in case width
3531 and precision arguments are also used. Allow printf width and
3532 precision arguments to have operand numbers even if none was
3533 specified for the main format, since this is OK for %*.*m. Only
3534 object to missing $ operand number if the format used requires an
3537 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3539 * c-common.c (format_char_info): Add 'W' flag to comment.
3540 (print_char_table, scan_char_table): Use it.
3541 (check_format_info): Use the 'W' flag to determine whether a
3542 format argument is written into.
3544 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3546 * c-common.c (check_format_types): Reorganise and clean up,
3547 checking earlier for ERROR_MARKs and making cur_type into its
3548 TYPE_MAIN_VARIANT where convenient.
3550 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3552 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3554 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3556 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3558 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3559 * i386.c (struct builtin_description): New.
3560 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3561 (mmx_reg_operand): Declare MODE arg as unused.
3562 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3563 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3564 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3565 ix86_init_builtins, ix86_expand_builtin): New functions.
3566 * i386.h (ix86_builtins): New enumeration.
3567 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3568 * i386.md (attr length_immediate): 0 for mmx/sse types.
3569 (attr prefix_0f): 1 for mmx/sse types.
3570 (setcc_2): Remove "*" so we get gen_setcc_2.
3571 (emms): Account for changed register numbering. Set "memory" attr
3573 (sfence): Set "memory" attr to unknown.
3575 2000-09-18 Andreas Jaeger <aj@suse.de>
3577 * configure.in: Define _GNU_SOURCE only when using the GNU C
3579 * configure: Regenerated.
3580 * config.in: Regenerated.
3582 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3584 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3585 * flow.c (flow_dump_loop): Likewise.
3586 (flow_loops_dump): Likewise.
3588 * c-typeck.c (c_start_case): Fix typo.
3590 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3592 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3593 to int for plain complex which defaults to complex double. Do
3594 warn about defaulting to complex double if pedantic. Warn about
3595 complex integer types if pedantic. Warn about complex types if
3596 pedantic and not in C99 mode.
3597 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3598 for complex conjugation.
3600 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3602 * contrib.texi: Update my entry.
3604 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3606 * config/avr/avr.md (mcu_enhanced): New attribute.
3607 (mcu_mega): Likewise.
3608 (extendhisi2): Use mcu_enhanced.
3609 (zero_extendhisi2): Likewise.
3610 (call_insn): Use mcu_enhanced and mcu_mega.
3611 (call_value_insn): Likewise.
3612 (*sbrx_branch): Use mcu_mega.
3613 (*sbrx_and_branchsi): Likewise.
3614 (*sbrx_and_branchhi): Likewise.
3615 (*tablejump_lib): Likewise.
3617 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3619 * alias.c (true_dependence): Allow non-unchanging read to conflict
3620 with unchanging write.
3622 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3623 (store_constructor): Pass alias_set to it.
3625 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3626 TYPE_MAIN_VARIANT of ERROR_MARK.
3627 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3629 * simplify-rtx.c (simplify_unary_operation): Add cases
3630 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3632 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3634 * expr.h (emit_library_call, emit_library_call_value): Delete
3636 * rtl.h (enum libcall_type): New.
3637 (emit_library_call, emit_library_call_value): Change fn_type arg to
3638 be of type enum libcall_type.
3639 * calls.c: Likewise for the function definitions. Several callers
3640 throughout changed to use the new enumeration appropriately.
3641 (emit_library_call_value_1): Likewise. Put back code to make libcall
3642 blocks of equal form, but only use it for the two new higher
3645 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3647 Convert the C front-end to use function-at-a-time mode.
3648 * c-common.h: Include splay-tree.h.
3649 (C_DECLARED_LABEL_FLAG): New macro.
3650 (struct language_function): Add x_scope_stmt_stack and
3651 x_function_name_declared_p.
3652 (RECHAIN_STMTS): Move definition.
3653 (lang_statment_code_p): Likewise.
3654 (lang_expand_stmt): Likewise.
3655 (lang_expand_decl_stmt): New variable.
3656 (lang_expand_function_end): Likewise.
3657 (current_scope_stmt_stack): New function.
3658 (add_decl_stmt): Likewise.
3659 (add_scope_stmt): Likewise.
3660 (mark_stmt_tree): Likewise.
3661 (struct c_lang_decl): New structure.
3662 (DECL_SAVED_TREE): Define.
3663 (c_mark_lang_decl): New function.
3664 (c_expand_start_cond): Change prototype.
3665 (c_finish_then): New function.
3666 (c_finish_else): Likewise.
3667 (current_function_name_declared): Remove.
3668 (set_current_function_name_declared): Likewise.
3669 (mark_c_language_function): Declare.
3670 (case_compare): Likewise.
3671 (c_add_case_label): Likewise.
3672 (c_expand_expr): Likewise.
3673 (c_safe_from_p): Likewise.
3674 * c-common.c (lang_expand_function_end): New variable.
3675 (struct if_elt): Add if_stmt.
3676 (c_expand_start_cond): Add the if-statement to the statement-tree,
3677 rather than generating RTL.
3678 (c_finish_then): New function.
3679 (c_expand_start_else): Don't generate RTL.
3680 (c_finish_else): New function.
3681 (c_expand_expr_stmt): Don't generate RTL.
3682 (statement_code_p): Add SCOPE_STMT.
3683 (case_compare): New function.
3684 (c_add_case_label): Likewise.
3685 (mark_stmt_tree): Likewise.
3686 (c_mark_lang_decl): Likewise.
3687 (mark_c_language_function): Likewise.
3688 (c_expand_expr): Likewise.
3689 (c_safe_from_p): Likewise.
3690 * c-decl.c (c_stmt_tree): New variable
3691 (c_scope_stmt_stack): Likewise.
3692 (c_function_name_declared_p): Likewise.
3693 (lang_expand_expr_stmt): Remove.
3694 (poplevel): Don't call output_inline_function for nested
3696 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3698 (redeclaration_error_message): Change means of computing whether
3699 or not a function is nested.
3700 (lookup_label): Don't call label_rtx.
3701 (init_decl_processing): Add more GC roots.
3702 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3703 calling rest_of_decl_compilation.
3704 (finish_decl): Don't call expand_decl.
3705 (store_parm_decls): Begin the statement-tree, but don't generate
3707 (finish_function): Tie off the statement-tree. Call c_expand_body
3709 (c_expand_body): New function.
3710 (push_c_function_context): Save more information.
3711 (pop_c_function_contxt): Likewise.
3712 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3713 (lang_mark_tree): Mark it.
3714 (current_stmt_tree): Adjust.
3715 (current_scope_stmt_stack): New function.
3717 (set_current_name_declared): Likewise.
3718 (c_begin_compound_stmt): Define.
3719 (c_expand_decl_stmt): Likewise.
3720 * c-lang.c: Include rtl.h and expr.h.
3721 (lang_init): Set more language-specific hooks.
3722 * c-lex.c: Include expr.h.
3723 * c-parse.in: Changes throughout to add statements to the
3724 statement-tree, rather than generating RTL after every statement.
3725 * c-semantics.c (lang_expand_decl_stmt): Define.
3726 (add_decl_stmt): New function.
3727 (add_scope_stmt): Likewise.
3728 (finish_stmt_tree): Tweak.
3729 (genrtl_expr_stmt): Likewise.
3730 (genrtl_decl_stmt): Handle local labels, and call
3731 lang_expand_decl_stmt if required.
3732 (genrtl_for_stmt): Fix line-number handling.
3733 (genrtl_case_label): Handle cleanups.
3734 (genrtl_asm_stmt): Don't call combine_strings.
3735 (genrtl_compound_stmt): Simplify.
3736 (expand_stmt): Handle SCOPE_STMTs.
3737 * c-tree.h (struct lang_decl): New structure.
3738 (C_DECLARED_LABEL_FLAG): Remove.
3739 (c_begin_compound_stmt): Declare.
3740 (c_expand_decl_stmt): Likewise.
3741 (c_expand_start_case): Rename to c_start_case.
3742 (c_finish_case): New function.
3743 * c-typeck.c (start_init): Tweak setting of
3744 constructor_incremental.
3745 (c_expand_asm_operands): Tweak error-handling. Add to the
3747 (c_expand_return): Add to the statement-tree.
3748 (c_expand_start_case): Rename to ...
3749 (c_start_case): ... this.
3750 (struct c_switch): New type.
3751 (switch_stack): New variable.
3752 (do_case): Simplify.
3753 (c_finish_case): New function.
3754 * dependence.c: Include expr.h.
3755 (enum dependence_type): Change spelling of enumerals.
3756 (check_node_dependence): Adjust.
3757 * expr.h (lang_safe_from_p): Declare.
3758 (safe_from_p): Likewise.
3759 * expr.c (lang_safe_from_p): New variable.
3760 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3761 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3762 * toplev.c (rest_of_decl_compilation): Robustify.
3763 * tree.c (contains_placeholder_p): Likewise.
3764 * Makefile.in: Update dependencies.
3765 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3766 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3767 (objc_expand_function_end): New function.
3768 (finish_method_def): Use it.
3769 (init_objc): Initialize more language-specific hooks.
3770 * objc/Make-lang.in: Update dependencies.
3772 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3774 * configure.in: Define macros that affect features before
3775 testing for features. Don't define _XOPEN_SOURCE.
3776 * configure: Regenerated.
3777 * config.in: Regenerated.
3779 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3781 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3782 (rtx_unstable_p): Restructure code. Volatile asms
3785 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3787 * function.h (no_debugging_symbols): New field.
3788 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3789 Initialize no_debugging_symbols.
3790 (output_inline_function): Save and restore write_symbols and set from
3791 no_debugging_symbols.
3792 * toplev.c (rest_of_compilation): Call save_for_inline.
3793 * tree.h: Update comment.
3795 * stor-layout.c (place_field): Don't do anything if field or
3796 its type are ERROR_MARK.
3798 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3800 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3801 (read_include_file): Ensure inc->mmaped is initialized.
3803 2000-09-16 Richard Henderson <rth@cygnus.com>
3805 * cppiles.c (purge_cache): Use PTR not caddr_t.
3807 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3809 * gcc.c: In description for %{<S}, say the option removed is -S.
3810 * invoke.texi (Spec Files): Ditto.
3812 2000-09-16 Andreas Jaeger <aj@suse.de>
3814 * configure.in: Always define _GNU_SOURCE to make interfaces
3815 visible that were hidden by only defining _GNU_SOURCE.
3816 * configure: Regenerated.
3818 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3820 * cpplex.c (push_macro_context): Set an argument's level after
3821 calling parse_args. We could loop infinitely otherwise.
3823 2000-09-15 Tom Tromey <tromey@cygnus.com>
3825 * configure, config.in: Rebuilt.
3826 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3828 2000-09-15 Greg McGary <greg@mcgary.org>
3830 * cppmacro.c (check_trad_stringification): Check token
3831 text pointers against limit before dereferencing.
3833 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3835 * c-common.c (format_wanted_type): New structure.
3836 (check_format_types): New function.
3837 (check_format_info): Pass all checking of types of format
3838 arguments, including width and precision arguments, to this new
3841 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3843 * BUGS: Remove file.
3845 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3847 * config/alpha/alpha.c (override_options): ev6 cache latencies
3848 from Richard Henderson. Don't allow -mmemory-latency=L0.
3850 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3851 (TARGET_OPTIONS): Add tune=.
3852 (alpha_tune_string): Declare.
3853 * config/alpha/alpha.c (override_options): Add cpu_table.
3854 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3855 and then alpha_tune_string to set alpha_cpu only.
3856 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3857 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3858 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3859 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3861 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3863 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3865 (ix86_comparison_operator, ix86_cc_mode): Declare
3866 * i386.h (CCGC, CCGCO): New modes.
3867 (SELECT_CC_MODE): Move offline to ....
3868 * i386.c (ix86_cc_mode): .... here; use new modes.
3869 (ix86_comparison_operator): New.
3870 (fcmov_comparison_operator): Ensure proper mode.
3871 (put_condition_mode): More sanity checking.
3872 (ix86_match_ccmode): Handle new modes.
3873 (ix86_expand_fp_compare): GEU requires CCmode.
3874 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3876 * i386.md (cmp?i_ccz_1): Remove
3877 (cmp?i_ccno_1): Use ix86_match_ccmode.
3878 (cmp?i_minus_1): New.
3879 (cmpsi_1): New expander.
3880 (cmpqi_ext_1): Use match_ccmode
3881 (cmpqi_ext_3): New expander.
3882 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3883 (cmpqi_ext_4): Use match_ccmode.
3884 (add?i_?): Use match_ccmode.
3886 (test?i_ccz_1): Remove
3888 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3889 (testqi_ext_0): Use ix86_match_ccmode.
3890 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3891 (xorqi_cc_ext_1): New expander.
3892 (shift patterns): Use CCGOCmode for all shifts except for sar.
3893 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3894 (setcc_3, jcc_3, miv?icc_c): Remove.
3896 2000-09-15 Will Cohen <wcohen@redhat.com>
3898 * dwarf2out.c (add_const_value_attribute): Changed array into a
3899 xmalloced object, so it exists after function exit.
3900 (free_AT): Added case for dw_val_class_float to free allocated
3903 2000-09-15 Kazu Hirata <kazu@hxi.com>
3905 * config/i386/i386.md: Fix a comment typo.
3906 * gcc.c: Fix formatting.
3908 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3910 * optabs.c (emit_libcall_block): If target is a user variable,
3911 copy to a temporary first.
3912 * expr.c (convert_move): When generating a libcall, make a libcall
3914 * calls.c (emit_library_call_value_1): Don't create a libcall
3915 sequence here; our caller will in most cases do it.
3917 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3919 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3920 * sh.md (reload_outsf): Generate recognizable patterns for
3922 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3923 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3924 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3925 truncdfsf2_i4): Change not to use explicit references to fpul.
3926 (floatsisf2_ie): Remove USE of fpscr.
3927 (floatsisf2): Change default expansion to match this.
3928 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3931 2000-09-15 Richard Henderson <rth@cygnus.com>
3933 * expmed.c (store_bit_field): Consider naturally aligned
3934 memory for direct reference.
3936 2000-09-15 Richard Henderson <rth@cygnus.com>
3938 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3939 AND addresses into alias set 0.
3940 (alpha_expand_unaligned_store): Likewise.
3941 (alpha_expand_unaligned_load_words): Likewise.
3942 (alpha_expand_unaligned_store_words): Likewise.
3944 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3946 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3947 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3949 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3950 rsize of UNITS_PER_WORD.
3952 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3954 * cpplex.c (ON_REST_ARG): Correct the test.
3955 (maybe_paste_with_next): Duplicate a token that fail pasting,
3956 and clear its PASTE_LEFT flag, so that nested pasting attempts
3959 2000-09-14 Richard Henderson <rth@cygnus.com>
3961 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3962 * cse.c (rtx_cost): Likewise.
3963 * optabls.c (expand_binop): Likewise.
3964 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3965 * regclass.c (copy_cost): Likewise.
3966 * reload1.c (reload_cse_move2add): Likewise.
3968 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3970 * c-parse.in (reswords): Add _Complex.
3972 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3974 * gcc.1: Delete documentation for -undef preprocessor option.
3976 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3978 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3979 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3980 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3981 Remove undefine before config/elfos.h.
3982 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3984 2000-09-14 Kazu Hirata <kazu@hxi.com>
3986 * invoke.texi (H8/300 Options): Add -ms2600.
3987 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3988 is used without -ms.
3989 * config/h8300.h (TARGET_MAC): New.
3990 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3991 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3992 machine other than H8/S2600.
3993 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3996 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3998 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3999 pseudos that refer to the original pseudos, not only to their
4000 equivalent memory locations.
4002 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4004 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4005 when making new MEM.
4007 * Makefile.in (LN): Remove duplicate definition.
4009 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4011 From Joern Rennecke:
4012 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4013 on an insn and function_invariant_p returns nonzero for the source,
4014 add a REG_EQUAL note.
4016 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4018 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4019 conflict with frame_pointer_rtx.
4021 2000-09-13 Kazu Hirata <kazu@hxi.com>
4023 * loop.c: Fix formatting.
4026 2000-09-13 Richard Henderson <rth@cygnus.com>
4028 * config/ia64/ia64.md (divsf3): New.
4029 (divsf3_internal_lat, divsf3_internal_thr): New.
4030 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4031 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4032 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4033 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4034 (nmadddf4_alts, nmadddf4_trunc): New.
4035 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4036 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4037 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4038 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4039 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4040 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4041 (nmaddtf4_truncdf_alts): New.
4042 (recip_approx): Don't predicate.
4044 2000-09-13 Richard Henderson <rth@cygnus.com>
4046 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4048 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4050 * flags.h (flag_dump_rtl_in_asm): Declare.
4051 * toplev.c (flag_dump_rtl_in_asm): Define.
4052 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4053 if -dP is specified.
4054 * rtl.h (print_rtx_head): Declare.
4055 * print-rtl.c (print_rtx_head): Define.
4056 (print_rtx): Print the string pointed to by print_rtx_head
4057 at beginning of each dump line.
4058 (print_rtl): Likewise.
4059 (print_rtl_single): Likewise.
4060 * final.c (final_scan_insn): Dump the insn in the assembly
4062 * gcc.1: Document -dP option.
4063 * invoke.texi (Debugging Options): Likewise.
4065 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4067 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4068 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4069 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4071 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4073 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4074 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4075 (*clrstrqi): Likewise.
4076 (xorhi3,xorsi3,absqi2): Likewise.
4077 (one_cmplhi2,one_cmplsi2): Likewise.
4078 (addsi3): Two stupid constraint alternatives removed.
4079 (extendhisi2): Use `movw' for enhanced avr cores.
4080 (zero_extendhisi2): Likewise.
4082 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4084 * alias.c (find_base_term): Use frame_pointer_rtx
4085 when handling an ADDRESSOF.
4087 * cse.c (canon_hash): Handle USE of BLKmode memory.
4088 (cse_insn): Outgoing arguments for a libcall don't
4089 affect any recorded expressions.
4091 2000-09-12 Tom Tromey <tromey@cygnus.com>
4093 * configure, config.in: Rebuilt.
4094 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4096 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4098 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4099 * expr.c (expand_expr): Don't optimize constant array references
4100 initialized with wide string constants.
4102 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4104 * loop.c (note_set_pseudo_multiple_uses): Correct.
4106 2000-09-12 Jim Wilson <wilson@cygnus.com>
4108 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4109 else block, and X has side-effects, then fail.
4111 2000-09-12 Greg McGary <greg@mcgary.org>
4113 * config/mips/mips-protos.h
4114 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4115 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4116 (PREDICATE_CODES): Add "trap_cmp_op".
4117 * config/mips/mips.c
4118 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4119 * config/mips/mips.md (trap, conditional_trap): New patterns.
4121 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4123 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4126 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * builtins.c (built_in_decls): New array.
4129 (expand_builtin_fputs): New function.
4130 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4132 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4134 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4136 * tree.h (built_in_decls): New array.
4138 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4140 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4142 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4144 2000-09-12 Kazu Hirata <kazu@hxi.com>
4146 * haifa-sched.c: Fix formatting.
4148 * genattrtab.c: Fix formatting.
4150 * unroll.c: Fix formatting.
4152 2000-09-12 Bruce Korb <bkorb@gnu.org>
4154 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4155 remove obsolete code
4156 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4157 * fixinc/fixincl.tpl: make non-exported arrays static scope
4158 * fixinc/fixincl.x: regenerate
4159 * fixinc/fixlib.h: Use PARAMS, not _P_
4160 * fixinc/fixtests.c: make a type for the test proc & use it
4161 * fixinc/server.h: Use PARAMS, not _P_
4163 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4165 * c-typeck.c (process_init_element): Avoid union init warnings on
4166 floating point zero. Don't crash on unions containing structs.
4168 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4170 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4171 general_movsrc_operand, and remove CONST_INT from
4172 general_movdst_operand.
4174 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4176 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4177 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4178 regs with a higher cost.
4179 (preferrable): Deal with cases where either cost or regcost is
4181 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4183 (COSTS_N_INSNS): Move definition...
4185 (MAX_COST): New macro.
4186 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4189 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4191 * c-common.h (genrtl_clear_out_block): Remove.
4192 * c-semantics.c (genrtl_clear_out_block): Remove.
4193 (genrtl_while_stmt): Don't call it.
4194 (genrtl_for_stmt): Likewise.
4196 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4198 * cppfiles.c: Move all default-#defines to top of file.
4199 (open_include_file): Replace by lookup_include_file.
4200 (read_with_read, read_file): Merged into read_include_file.
4201 (stack_include_file, purge_cache): New functions.
4202 (close_cached_fd): Delete.
4203 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4204 Cache the in-memory buffer, not the file descriptor.
4206 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4208 (xcnew): New utility macro.
4209 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4210 * cpplib.h (struct cpp_buffer): Remove mapped field.
4212 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4214 * cpplex.c (parse_string): Accept backslash space newline as a
4216 (lex_line): Likewise.
4217 (_cpp_get_token): Remove hard limit on macro nesting.
4219 2000-09-12 Philipp Thomas <pthomas@suse.de>
4221 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4222 * configure: Rebuilt.
4224 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4226 * flow.c (split_block): Fix update of registers live at
4229 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4231 * i386.md (add?i_3, add?i_5): New.
4232 (add?i_4): Rename from add?i_3; Fix compare pattern.
4233 (sub?i_3, xor?i_3, ior?i_3): New.
4235 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4236 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4237 instead of extract_insn and extract_constrain_insn_cache instead of
4238 extract_insn and constrain_operands.
4239 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4241 (extract_insn): Clear which_alternative.
4242 (constrain_operands): Set which_alternative to -1 when failed.
4243 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4246 2000-09-11 Matthew Hiller <hiller@redhat.com>
4248 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4249 on operand 0 to '+'.
4250 (movstricthi): Likewise.
4252 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4254 * loop.h (LOOP_IVS): New macro.
4255 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4256 (struct loop_ivs): New.
4257 (struct loop_info): Add ivs field.
4258 (reg_iv_type, reg_iv_info): Delete prototype.
4259 (reg_biv_class, loop_iv_list): Likewise.
4260 * loop.c (record_biv, find_life_end): Pass loop argument.
4261 (reg_iv_type): Remove global array and use
4262 field in loop_regs structure within loop_ivs structure.
4263 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4264 (first_increment_giv, last_increment_giv): Use entry in
4266 (record_initial): Pass ivs pointer.
4267 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4269 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4271 * loop.h (LOOP_REGS): New macro.
4272 (struct loop_regs): New.
4273 (struct loop_info): Add regs field.
4274 * loop.c (set_in_loop): Remove global array and store
4275 in loop_regs structure as part of loop_info structure.
4276 (n_times_set, may_not_optimize): Likewise.
4277 (reg_single_usage, moved_once): Likewise.
4278 (count_one_set): Add regs argument.
4279 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4280 (set_pseudo_multiple_uses): Pass regs pointer.
4282 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4284 * unroll.c (iteration_info): Subsume into loop_iterations.
4285 * loop.h (loop_info): New field iv.
4287 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4289 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4290 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4291 (flow_loops_update): New prototype.
4292 (flow_loops_find): Add flags to prototype.
4293 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4294 * flow.c (flow_loop_pre_header_scan): New.
4295 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4296 (flow_loop_free): Free pre-header root and trace and exit dominators.
4297 (flow_loops_find): New argument flags.
4298 (flow_loops_update): New function.
4299 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4301 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4303 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4304 * flow.c (split_block, update_bb_for_insn): New functions.
4306 2000-09-11 Richard Henderson <rth@cygnus.com>
4308 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4310 2000-09-11 Richard Henderson <rth@cygnus.com>
4312 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4313 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4314 (ia64_override_options): Prevent optimizing division for both
4315 latency and throughput.
4316 (rtx_needs_barrier): Handle frcpa.
4317 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4318 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4319 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4320 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4321 -minline-divide-max-throughput.
4322 (PREDICATE_CODES): Update.
4323 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4324 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4325 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4326 (extendsftf2): Likewise.
4327 (extenddftf2): Likewise.
4328 (fix_trunctfdi2_alts): New.
4329 (fixuns_trunctfdi2_alts): New.
4330 (madd*4): Rename from madd*3.
4331 (divsi3, modsi3, udivsi3, umodsi3): New.
4332 (divsi3_internal): New.
4333 (divdi3, moddi3, udivdi3, umoddi3): New.
4334 (divdi3_internal_lat, divdi3_internal_thr): New.
4335 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4336 (recip_approx): New.
4338 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4340 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4341 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4343 * integrate.c (copy_rtx_and_substitute): Don't share
4344 LEAF_REG_REMAPpable registers with the inlined function. Don't
4345 share the function value with calling sequences.
4347 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4349 * c-decl.c (do_case): Fix a typo.
4351 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4352 to a if the comparison is floating mode and not -ffast-math.
4353 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4355 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4357 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4358 gen_ic_invalidate_line.
4360 2000-09-11 Philip Blundell <pb@futuretv.com>
4362 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4364 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4366 * install.texi (LANGUAGES): Update to include new languages.
4369 2000-09-11 DJ Delorie <dj@redhat.com>
4371 * gcc.c (main): Don't warn about unused -B prefixes
4372 (unused_prefix_warnings): remove
4374 2000-09-11 Kazu Hirata <kazu@hxi.com>
4376 * final.c: Fix formatting.
4378 * integrate.c: Fix formatting.
4380 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4382 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4384 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4386 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4388 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4390 * gcc.1: Document 68hc11 specific options.
4392 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4394 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4395 (TARGET_LONG_DOUBLE_128): Define.
4396 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4397 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4398 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4399 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4400 of __LONG_DOUBLE_128__.
4401 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4403 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4404 (CPP_SYSV_DEFAULT_SPEC): Define.
4405 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4406 (INIT_TARGET_OPTABS): Define.
4408 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4409 (RS6000_UITRUNC): Likewise.
4410 (INIT_TARGET_OPTABS): New macro.
4411 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4412 (trunc_defined): Delete.
4413 (output_prolog): Don't output .extern definitions for fp->int
4414 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4415 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4416 (trunc_defined): Delete.
4417 (RS6000_ITRUNC): Moved to aix.h.
4418 (RS6000_UITRUNC): Likewise.
4419 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4420 only emit a libcall.
4421 (fixuns_truncdfsi2): Delete.
4422 (trunc_call): Delete.
4423 (trunc_call_rtl): Delete.
4425 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4427 * varasm.c (make_decl_rtl): Restore leading star on
4428 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4430 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4432 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4433 won't give a spurious error for '#pragma pack()'. Simplify
4434 control flow for readability. 'reset' action is not necessary.
4436 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4438 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4439 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4440 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4441 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4443 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4444 profile.c, sdbout.c, tradcif.y, tree.c:
4445 Include defaults.h if not already included.
4446 Don't define the above macros.
4448 * Makefile.in: Update dependencies.
4450 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4452 * c-common.h (add_stmt): Change prototype.
4453 (RECHAIN_STMTS): New macro.
4454 (CASE_LABEL_DECL): Likewise.
4455 (genrtl_case_label): Change prototype.
4456 (c_expand_start_case): Remove prototype.
4457 (build_case_label): Change prototype.
4458 (decl_constant_value): Declare.
4459 * c-common.c (check_case_value): Handle C++'s extensions to C
4461 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4463 * c-parse.in (stmt): Adjust handling of return statements and case
4465 * c-semantics.c (add_stmt): Return the new statement.
4466 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4467 returned expression. Directly generate RTL, rather than calling
4469 (genrtl_switch_stmt): Don't call c_expand_start_case.
4470 (build_case_label): Take the LABEL_DECL as input, too.
4471 (genrtl_case_label): Just call add_case_node.
4472 (expand_stmt): Adjust calls to genrtl_return_stmt and
4474 * c-tree.h (c_expand_start_case): Declare.
4475 * c-typeck.c (decl_constant_value): Give it external linkage.
4476 (c_expand_return): Don't call expand_return or expand_null_return;
4477 use genrtl_return_stmt instead.
4478 * stmt.c (struct nesting): Remove num_ranges field.
4479 (add_case_node): Give it external linkage.
4480 (expand_start_case): Don't set num_ranges.
4481 (expand_start_case_dummy): Don't clear it.
4482 (pushcase): Rely on add_case_node to handle `default' labels.
4483 (add_case_node): Handle `default' labels.
4484 * tree.c (tree_int_cst_compare): New function.
4485 * tree.h (tree_int_cst_compare): Declare.
4486 (add_case_node): Likewise.
4488 2000-09-10 Richard Henderson <rth@cygnus.com>
4490 * c-parse.in: Revert last change.
4491 (init_reswords): Do not enter disabled keywords into the ridpointers
4492 table, modulo objc weirdness.
4493 (_yylex): Return the canonical spelling for a keyword.
4495 2000-09-10 Philip Blundell <philb@gnu.org>
4497 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4498 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4500 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4502 * alias.c (find_base_term): Handle ADDRESSOF.
4503 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4505 2000-09-10 Denis Chertykov <denisc@overta.ru>
4507 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4508 outputting templates with many lines.
4510 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4512 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4513 to decide whether 64-bit support must be generated.
4515 2000-09-10 Richard Henderson <rth@cygnus.com>
4517 * c-parse.in (asm patterns): Fix volatile check.
4519 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4521 * cppmacro.c (check_trad_stringification): New function.
4522 (save_expansion): If -Wtraditional, warn about stringification of
4525 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4527 * loop.h (struct loop_mem_info): Move from loop.c
4528 (struct loop_info): Add fields store_mems, mems, mems_idx,
4529 mems_allocated, unknown_address_altered,
4530 unknown_constant_address_altered, num_mem_sets, and
4531 first_loop_store_insn.
4533 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4534 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4535 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4536 (num_mem_sets): Likewise.
4537 (replace_loop_mems, replace_loop_regs): New.
4538 (struct loop_replace_args): New.
4539 (load_mems): Use replace_loop_mems.
4540 (try_copy_prop): Use replace_loop_regs.
4541 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4543 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4545 * configure.in: Recognize m6811-elf and m6812-elf.
4546 * configure: Regenerate.
4548 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4550 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4553 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4555 * loop.c (struct movables): New.
4556 (num_movables): Move into struct movables.
4557 (the_movables): Change type to struct movables.
4558 (ignore_some_movables): Change struct movable arg to struct movables.
4559 (force_movables, combine_movables, regs_match_p): Likewise.
4560 (rtx_equal_for_loop_p, move_movables): Likewise.
4561 (scan_loop): Change movables to be of type struct movables.
4562 Replace last_movable with field in movables structure.
4564 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4566 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4567 (init_pragma): Avoid warning if pfile happens to be unused.
4568 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4569 define init_pragma to nothing. Always prototype
4570 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4572 * c-lex.c (process_directive): Always call dispatch_pragma.
4573 Initialize entering_c_header to 0.
4575 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4577 * config/m68hc11/m68hc11.md: New file, machine description for
4579 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4580 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4581 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4582 * config/m68hc11/m68hc11-protos.h: New file.
4583 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4584 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4585 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4586 * config/m68hc11/larith.asm: New file, libgcc routines.
4588 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4590 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4591 (FPBIT_FUNCS): Add _usi_to_sf.
4592 * config/fp-bit.c (usi_to_float): New function.
4593 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4594 (usi_to_float): Add appropriate #define.
4596 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4598 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4600 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4601 * i386.md (attr "type"): Add sse and mmx types.
4602 (attr "memory"): Handle them without a crash.
4603 (movsi_1, movdi_2): Allow MMX regs.
4604 (movdi splits): Don't split moves involving MMX regs.
4605 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4606 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4607 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4608 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4609 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4610 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4611 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4612 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4613 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4614 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4615 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4616 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4617 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4618 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4619 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4620 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4621 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4622 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4623 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4624 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4625 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4626 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4627 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4628 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4629 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4630 mmx_clrdi): New patterns.
4632 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4634 * arm.c: Don't include tm.h directly.
4636 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4638 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4639 testing; simplify subregs of constants and nested subregs.
4641 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4643 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4645 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4647 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4649 * rtl.texi (description of USE): Add note about possible pitfalls
4651 From Richard Henderson:
4652 * reload1.c (choose_reload_regs): Compute need_mode properly.
4654 2000-09-07 Richard Henderson <rth@cygnus.com>
4656 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4657 (__modsi3, __umodsi3): Likewise.
4658 (__udivsi3): Likewise. Normalize the TFmode values.
4660 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4662 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4664 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4667 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4669 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4670 (cmpeqdi_t): Add output pattern.
4671 (cmpeqdi_t+1): Don't split when not optimizing.
4672 Restore proper splitting operation.
4674 2000-09-07 Richard Henderson <rth@cygnus.com>
4676 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4677 do not call dispatch_pragma.
4679 2000-09-07 Jim Wilson <wilson@cygnus.com>
4681 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4682 to CLASS_CANNOT_CHANGE_MODE.
4683 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4684 mode classes are different.
4686 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4688 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4689 left out of commit which removed cppulp.c.
4691 2000-09-07 Richard Henderson <rth@cygnus.com>
4693 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4694 after switch for CASE_DROPS_THROUGH.
4696 2000-09-07 Richard Henderson <rth@cygnus.com>
4698 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4699 Properly extend the biv initial value for the giv.
4700 (record_biv): Zero ext_dependant.
4701 (record_giv): New argument ext_val. Update all callers.
4702 (general_induction_var): Likewise.
4703 (consec_sets_giv): Likewise.
4704 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4705 a sign-extend, zero-extend, or truncate.
4706 (combine_givs_p): Make sure modes are compatible.
4707 (check_ext_dependant_givs): New.
4708 (extend_value_for_giv): New.
4709 * loop.h (struct induction): Add ext_dependant.
4710 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4711 (find_splittable_givs): Likewise.
4712 (final_giv_value): Likewise.
4714 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4716 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4717 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4718 definitions from cpplib.h.
4719 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4721 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4722 documentation for REGISTER_TARGET_PRAGMAS.
4724 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4725 default-pragma callback to implement -Wunknown-pragmas if
4727 * c-parse.in: Move all includes to top of file.
4728 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4730 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4732 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4734 * arm.h, arm-protos.h, arm.c,
4735 c4x.h, c4x-protos.h, c4x.c,
4736 h8300.h, h8300-protos.h, h8300.c,
4737 i370.h, i370-protos.h, i370.c,
4738 i960.h, i960-protos.h, i960.c,
4739 sh.h, sh-protos.h, sh.c,
4740 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4741 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4743 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4744 multiple include guard.
4745 * i370.md (untyped_call): Use GEN_CALL.
4746 (umodsi3): Remove unused variable.
4747 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4748 * v850.c (output_move_single, output_move_double): Constify
4750 (print_operand): Constify a char *.
4751 * v850.h (struct small_memory_info): Constify name member.
4753 2000-09-07 Kazu Hirata <kazu@hxi.com>
4755 * config/h8300.h: Fix comment typos.
4756 * config/h8300/h8300.md: Likewise.
4757 * config/h8300/lib1funcs.asm: Likewise.
4759 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4761 * Makefile.in: Remove references to cppulp.{c,o}.
4762 * cppinit.c (initialize_builtins, cpp_start_read,
4763 cpp_handle_option): Update to use cpp_options structure.
4766 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4768 * c-common.c (time_char_table): Allow %#b and %#h.
4770 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4772 * reorg.c (find_end_label): If the basic block reorder pass moves the
4773 return insn to some other place try to locate it again and put our
4774 end_of_function_label there.
4775 * reorg.c (relax_delay_slots): Check if find_end_label created a
4776 new label that invalidates the current optimazation.
4778 2000-09-07 Catherine Moore <clm@redhat.com>
4780 * unroll.c (unroll_loop): Check for unconditional jumps
4781 to loop continuation. Delete if n_iterations is 1.
4782 (ujump_to_loop_cont): New routine.
4784 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4786 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4788 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4789 to handle multiword modes correctly. All callers and the declaration
4792 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4794 * c-common.h (prep_stmt): Declare.
4795 (lang_expand_stmt): Likewise.
4796 * c-decl.c (lang_expand_stmt): Remove.
4797 * c-semantics.c (lang_expand_stmt): Define.
4798 (prep_stmt): New function.
4799 (expand_stmt): Handle common statement types here.
4801 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4803 * configure.in (sh-*-linux*): Added.
4804 * configure: Rebuilt.
4805 * config/sh/t-linux: New file.
4806 * config/sh/sh.h (USERMODE_BIT): Define.
4807 (TARGET_USERMODE): Likewise.
4808 (TARGET_SWITCHES): New switches for the bits above.
4809 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4810 * config/sh/linux.h: New file.
4811 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4812 underscore on linux.
4813 (L_sdivsi3, L_udivsi3): Define for linux.
4814 (L_ic_invalidate): Define.
4815 * invoke.texi (SH Options): Document -musermode.
4817 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4819 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4820 CSE unless generating PIC.
4822 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4825 2000-09-06 H.J. Lu (hjl@gnu.org)
4827 * Makefile.in (clean_s1): Depend on stage_b.
4828 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4829 stage2. They are used for "make compare".
4831 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4833 Move statement-tree facilities from C++ to C front-end.
4834 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4835 (void_zero_node): New macro.
4836 (struct stmt_tree_s): New type.
4837 (stmt_tree): New typedef.
4838 (struct language_function): New type.
4839 (last_tree): New macro.
4840 (last_expr_type): Likewise.
4841 (walk_tree_fn): New typedef.
4842 (current_stmt_tree): New function.
4843 (begin_stmt_tree): Likewise.
4844 (add_stmt): Likewise.
4845 (finish_stmt_tree): Likewise.
4846 (statement_code_p): Likewise.
4847 (lang_statement_code_p): New variable.
4848 (walk_stmt_tree): New function.
4849 (STMT_IS_FULL_EXPR_P): New macro.
4850 * c-common.c (lang_statement_code_p): New variable.
4851 (c_common_nodes_and_builtins): Initialize void_zero_node.
4852 (statement_code_p): New function.
4853 (walk_stmt_tree): Likewise.
4854 * c-decl.c (language_function): Rename to ...
4855 (c_language_function): ... this. Include language_function.
4856 (push_c_function_context): Adjust accordingly.
4857 (pop_c_function_context): Likewise.
4858 (mark_c_function_context): Likewise.
4859 (current_stmt_tree): Define.
4860 * c-semantics.c (begin_stmt_tree): New function.
4861 (add_stmt): Likewise.
4862 (prune_unused_decls): Likewise.
4863 (finish_stmt_tree): Likewise.
4865 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4867 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4869 2000-09-06 Kazu Hirata <kazu@hxi.com>
4871 * calls.c: Fix formatting.
4873 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4875 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4877 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4879 Integrated preprocessor.
4881 * Makefile.in: Remove all references to c-parse.gperf,
4882 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4883 generating c-parse.c. Update dependencies.
4884 * c-parse.gperf, c-gperf.h: Delete.
4886 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4887 yy_lim, or yy_get_token. Don't define get_directive_line if
4889 * c-common.h: Add multiple include guard. Define RID values
4890 for every keyword in C, C++, and Objective C. Put all the
4892 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4893 * c-decl.c (c_decode_option): Handle -lang-objc here.
4894 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4895 (grokdeclarator): Adjust for new RID scheme.
4896 (extract_interface_info): New stub.
4897 * c-lang.c: Don't declare yy_cur or parse_options.
4898 (lang_init_options): Call cpp_init. Don't call
4900 (lang_init): Don't call check_newline if USE_CPPLIB.
4902 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4903 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4904 rendered unnecessary by new architecture. Move routines not
4905 shared with C++ to c-parse.in. Maintain a local idea of the
4906 line number. Handle C++ as well as C.
4907 [USE_CPPLIB]: Declare and register callbacks for #ident and
4908 for entering/leaving files.
4909 (init_c_lex, c_lex): Are now the entry points to this file.
4910 (check_newline): Break out directive handling to
4912 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4914 (readescape, parse_float): Overhaul.
4915 (lex_number, lex_string, lex_charconst): Break out of c_lex
4917 (get_fileinfo, update_header_times, dump_one_header,
4918 dump_time_statistics): New and/or moved here from C++.
4919 Support per-file data needed by C++ and per-header timing
4920 statistics (C++ only, at the moment).
4921 * c-lex.h: Update prototypes. Add multiple include guard.
4922 * c-tree.h (struct lang_identifier): Add rid_code field.
4923 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4925 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4926 reinit_parse_for_function and/or position_after_white_space.
4927 (save_filename, save_lineno): Look ahead before saving.
4928 (label -> identifier ':'): Save file and line before shifting ':'.
4929 (reservedwords): No need to call get_identifier.
4930 (init_parse, finish_parse, yyerror, yylex, yyprint,
4931 make_pointer_declarator): Are now here for C/ObjC.
4932 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4934 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4935 #pragma registry. Provide dummy implementation of that
4936 interface if !USE_CPPLIB.
4937 * c-pragma.h: Update to match.
4939 * flags.h: Add multiple include guard.
4940 (flag_detailed_statistics): Moved here from C++.
4941 * toplev.c: Define flag_detailed_statistics.
4943 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4945 * timevar.def (TV_CPP, TV_LEX): New.
4946 * timevar.h: Add multiple include guard.
4948 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4950 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4951 Initialize cpplib properly. Force lineno to 0 after first
4952 call to check_newline. Don't handle -lang-objc here.
4953 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4955 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4957 * rs6000.md: Correct function unit definitions for cr_logical and
4959 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4960 and use portable method for >=0 and floating point >=. Remove
4961 associated matchers.
4963 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4965 * extend.texi: Mark named return value extension as deprecated.
4967 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4969 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4972 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4974 * toplev.c (display_help): Fix thinko in documentation.
4976 * diagnostic.h (output_buffer::indent_skip): New fields.
4977 (output_indentation): New macro.
4979 * diagnostic.c (output_indent): New function.
4980 (output_set_prefix, clear_diagnostic_info): Use.
4981 (output_emit_prefix): Predict future indentation.
4983 2000-09-06 DJ Delorie <dj@redhat.com>
4985 * Makefile.in (stage_*): add more dependencies to ensure parallel
4986 builds build correctly
4988 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4990 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4991 not bootstrap-lean_f.
4993 2000-09-06 Andreas Schwab <schwab@suse.de>
4995 * mklibgcc.in: Emit rule for libgcc-stage-start.
4996 * Makefile.in (stage1-start, stage2-start, stage3-start,
4997 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4999 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5001 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5002 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5003 (combine_regs): Likewise.
5005 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5006 * cse.c: Include "basic-block.h".
5007 (struct table_elt): New field REGCOST.
5008 (CHEAP_REG): Delete macro.
5009 (COST): Return 0 for REGs.
5010 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5011 (notreg_cost): Return 0 for appropriate SUBREGs.
5012 (COSTS_N_INSNS): Return N * 2.
5013 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5015 (CHEAPER): Use new function preferrable.
5016 (insert): Initialize REGCOST member.
5017 (find_best_addr): Use approx_reg_cost for estimation of register
5019 (cse_insn): Likewise.
5020 * loop.c (iv_add_mult_cost): New function.
5021 (add_cost, shift_cost, mult_cost): Delete variables.
5022 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5023 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5024 Make code that detects autoinc opportunities slightly less optimistic.
5025 (simplify_giv_expr): If expression contains other reg that is also a
5026 giv, only increment benefit if this is the only use of that reg.
5027 (consec_sets_giv): Take that change into account.
5028 (combine_givs): Slightly more verbose output.
5030 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5031 not the cost of an equivalent shift.
5032 * sh-protos.h (addsubcosts): Declare.
5033 * sh.c (addsubcosts): New function.
5034 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5035 (RTX_COSTS): Tweak. Use addsubcosts.
5036 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5038 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5040 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5041 (branch_comparison_operator): Call validate_condition_mode to
5042 abort rather than returning 0.
5043 (branch_positive_comparison_operator): New function.
5044 (scc_comparison_operator): Call validate_condition_mode to abort
5045 rather than returning 0.
5046 (ccr_bit): Call validate_condition_mode. Update for
5048 (print_operand): Delete %C modifier. Update %E case
5049 to use EQ bit not SO bit.
5050 (rs6000_reverse_condition): New function.
5051 (rs6000_generate_compare): New function.
5052 (rs6000_emit_sCOND): New function.
5053 (rs6000_emit_cbranch): New function.
5054 (output_cbranch): The length of a long branch insn is
5055 now only 8 bytes. Add validate_condition_mode. Use
5056 rs6000_reverse_condition. Remove cror generation.
5058 * config/rs6000/rs6000.h: Update comments.
5059 (PREDICATE_CODES): Add new predicate. Update codes used
5060 by branch_comparison_operator and scc_comparison_operator.
5061 * config/rs6000/rs6000-protos.h: Add prototypes for
5062 new external functions.
5063 * config/rs6000/rs6000.md: Add new scheduling parameters
5064 for cr_logical instructions. Change length of branch
5066 (bCOND patterns): Call rs6000_emit_cbranch.
5067 (sCOND patterns): Call rs6000_emit_sCOND.
5068 (branch patterns): Change lengths to 4.
5069 (cr logical patterns): New.
5071 2000-09-06 Richard Henderson <rth@cygnus.com>
5073 * config/i386/i386.md (call_pop): Fix test for setting
5074 current_function_uses_pic_offset_table.
5075 (call, call_value_pop, call_value): Likewise.
5077 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5079 * timevar.c (timevar_add): Delete.
5080 (timevar_get): Also count time since the selected timer was
5081 last updated. Do not examine the timevar stack if the
5082 selected timer is standalone.
5084 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5086 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5088 2000-09-05 Jason Merrill <jason@redhat.com>
5090 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5091 for 'extern' arrays.
5093 2000-09-05 Richard Henderson <rth@cygnus.com>
5095 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5096 Eliminate final copy from non-trapping case.
5097 (__divdf3, __divsf3): Likewise.
5099 2000-09-05 Richard Henderson <rth@cygnus.com>
5101 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5102 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5104 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5106 * Makefile.in: Restructure bootstrap stages to allow clean
5107 restart after failure.
5109 2000-09-05 Richard Henderson <rth@cygnus.com>
5111 * config/ia64.md (movsi and movdi patterns): Allow moves from
5112 8-bit constants to AR registers.
5114 2000-09-05 Richard Henderson <rth@cygnus.com>
5116 * config/ia64/ia64.md (mulhi3): New.
5118 2000-09-05 Richard Henderson <rth@cygnus.com>
5120 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5121 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5122 Optimization Guide, minimum latency alternative.
5123 (__moddi3, __udivdi3, __umoddi3): Likewise.
5124 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5126 2000-09-05 Bruce Korb <bkorb@gnu.org>
5128 * fixinc/fixincl.c (load_file): always read header files
5129 with sizes that are a multiple of the page size.
5130 & use libiberty's getpagesize for determining that.
5132 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5134 * gcse.c (hash_string_1): Add prototype.
5135 * cse.c (canon_hash_string): Likewise.
5137 2000-09-04 Craig Newell <CraigN@ieee.org>
5139 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5141 2000-09-04 Andreas Schwab <schwab@suse.de>
5143 * Makefile.in (STAGESTUFF): Remove libgcc.
5144 (stage1-start, stage2-start, stage3-start): Copy the contents of
5145 the libgcc directory explicitly.
5146 (mostlyclean): Clean libgcc.
5148 2000-09-04 Andrew Haley <aph@redhat.com>
5150 * dwarf2out.c: (stack_adjust_offset): New prototype.
5152 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5154 * combine.c (make_extraction): Fix rtx_cost comparison to
5157 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5159 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5160 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5161 Add '*' to insn pattern name.
5163 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5165 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5166 use posn - 1 to index into tokens array.
5167 (maybe_paste_with_next): Adjust caller.
5169 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5171 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5173 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5174 (REGNO_REG_CLASS): Use symbolic register
5177 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5179 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5180 recognized, don't try to conditionally execute it.
5182 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5184 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5185 (call_value_insn): Right length claculation.
5186 (call_insn): Likewise.
5188 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5190 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5191 gas_output_limited_string, gas_output_ascii, output_movqi,
5192 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5193 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5194 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5195 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5196 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5197 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5198 Add "const" as needed to remove warnings.
5200 * config/avr/avr.c (avr_override_options, avr_init_once,
5201 function_prologue, function_epilogue, frame_pointer_required_p,
5202 class_likely_spilled_p, order_regs_for_local_alloc,
5203 avr_address_cost, avr_ret_register): Use K&R style arguments.
5204 (initial_elimination_offset, gas_output_limited_string):
5205 Remove ATTRIBUTE_UNUSED from the used arguments.
5206 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5207 Use local variables src, dest, base to access operands[].
5208 Rename reg_dest to reg_src if that's what it is.
5209 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5210 constants to LD_REGS if reg_was_0.
5211 (output_reload_insisf): Change arg 3 to insn length and set it.
5212 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5213 access to 16-bit I/O register pairs.
5214 (avr_address_cost): Lower cost for the above case.
5215 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5216 may be clobbered, also for LD_REGS.
5217 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5220 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5222 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5223 macro to test_hard_reg_class function.
5224 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5225 for loading immediate constants to LD_REGS.
5226 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5229 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5231 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5232 * config/avr/libgcc.S: Lost part of the previous patch.
5234 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5236 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5237 object before calling pthread_mutex_init.
5239 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5241 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5242 config/sh/crtn.asm: New files.
5243 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5244 (crt1.o, crti.o, crtn.o): New targets.
5245 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5247 * configure: Rebuilt.
5248 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5249 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5250 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5251 Undefine for config/elfos.h to redefine.
5252 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5254 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5256 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5257 legitimize_pic_address, output_pic_addr_const): Declare.
5258 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5259 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5260 (TARGET_SWITCHES): New switch -mprefergot.
5261 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5262 (PIC_OFFSET_TABLE_REGNUM): Define.
5263 (GOT_SYMBOL_TABLE): Likewise.
5264 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5265 (ENCODE_SECTION_INFO): Define.
5266 (FINALIZE_PIC): New macros.
5267 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5268 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5269 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5270 (prepare_move_operands): Call emit_pic_move or
5271 emit_pic_const_move if appropriate.
5272 (output_far_jump): For PIC, use braf and output long offset.
5273 (machine_dependent_reorg):
5274 (sh_expand_prologue): Save and initialize the PIC register.
5275 (sh_expand_epilogue): Restore it.
5276 (initial_elimination_offset): Account for it.
5277 (nonpic_symbol_mentioned_p): New function.
5278 (legitimize_pic_address): Likewise.
5279 (output_pic_addr_const): Likewise.
5280 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5281 (call, call_value): Use them.
5282 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5283 symPLT_label2reg): New expands.
5284 * invoke.texi (SH Options): Document -mprefergot.
5286 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5288 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5289 * gcse.c (hash_string_1): New function.
5290 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5291 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5292 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5293 (canon_hash_string): New function.
5294 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5295 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5296 (fold_rtx): Use ASM_OPERANDS accessor macros.
5297 * emit-rtl.c (copy_insn_1): Likewise.
5298 * integrate.c (copy_rtx_and_substitute): Likewise.
5299 * stmt.c (expand_asm_operands): Likewise. Give an
5300 ASM_OPERANDS rtx the mode of the output reg being set from it.
5302 2000-09-01 Fred Fish <fnf@be.com>
5304 * fix-header.c (write_rbrac): Add putc and getc to list of
5305 functions to protect against prior definition as a macro.
5307 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5309 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5310 (c_size_type_node): Define.
5311 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5312 * c-common.c (enum format_lengths, enum format_std_version,
5313 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5314 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5315 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5316 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5317 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5318 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5319 format_types): Define.
5320 (format_char_info, print_char_table, scan_char_table,
5321 time_char_table): Rearrange for new organization of information
5322 about format length modifiers and standard versions.
5323 (T_ST): Redefine to use c_size_type_node.
5324 (check_format_info): Obtain information about length modifiers and
5325 standard versions from tables. Adjust warning message wordings.
5326 Use the name from the user's program for `ll' and `hh' length
5327 modifiers in warning messages. Use more informative names for
5328 wanted types where available (for wchar_t, wint_t, size_t, signed
5329 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5331 2000-09-01 Jim Wilson <wilson@cygnus.com>
5333 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5334 * combine.c (distribute_notes): Handle REG_NORETURN.
5335 * rtl.c (reg_note_name): Add REG_NORETURN.
5336 * rtl.h (enum reg_note): Likewise.
5338 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5340 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5341 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5342 (emit_predicate_relation_info): Handle conditional calls with
5344 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5345 instead of ia64_file_start.
5346 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5347 * config/ia64/ia64.md (safe_across_calls_all,
5348 save_across_calls_normal): New patterns.
5350 * loop.c (check_final_value): Check for biv use before checking for
5351 giv use. Check for both biv and giv uses. Always set last_giv_use
5352 if there is a giv use.
5354 2000-09-01 Richard Henderson <rth@cygnus.com>
5356 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5357 (madddi3): Likewise.
5360 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5362 * expr.c (clear_storage): Don't use emit_move_insn unless
5363 either BLKmode or proper size.
5364 (store_constructor): Don't call clear_storage if REG of wrong size.
5366 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5367 of function if returns wiht stack pointer depressed.
5369 2000-09-01 Andrew Haley <aph@redhat.com>
5371 * dwarf2out.c (stack_adjust_offset): New function.
5372 (dwarf2out_stack_adjust): Break out stack adjust logic into
5373 new stack_adjust_offset function. Look inside parallels and
5374 sequences for stack adjustments.
5376 2000-08-31 Jeff Law <law@cygnus.com>
5378 * arm.md: Use no_new_pseudos to determine when it is safe
5379 to create new pseudo registers.
5381 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5382 when we can safely allocate new registers.
5384 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5386 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5387 so that CONCATs are not generated for ASMs.
5388 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5389 not generating_concat_p.
5390 * function.c (pop_function_context_from): Reset
5391 generating_concat_p.
5392 (prepare_function_start): Likewise.
5393 * rtl.c (generating_concat_p): Define.
5394 * rtl.h (generating_concat_p): Declare.
5395 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5397 2000-08-22 Philipp Thomas <pthomas@suse.de>
5398 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5400 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5403 2000-08-30 Greg McGary <greg@mcgary.org>
5405 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5406 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5407 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5409 2000-08-30 Greg McGary <greg@mcgary.org>
5411 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5412 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5413 (TREE_INT_CST): New macro.
5414 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5415 Use new macro TREE_INT_CST.
5417 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5419 * contrib.texi: Add self.
5421 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5423 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5424 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5427 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5429 * fixinc/gnu-regex.c: Don't define `const'.
5431 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5433 * expr.c (store_constructor): Allow variable bounds of array type.
5434 (expand_expr): Don't blow up if type is ERROR_MARK.
5435 * varasm.c (output_constructor): Don't access lower bound of array
5436 type unless need it if index is supplied (so it can be a variable
5437 if no index is supplied).
5438 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5439 Other minor cleanups.
5441 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5443 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5444 for compilations in stage 1 and subsequent stages, respectively.
5445 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5446 * configure: Rebuilt.
5447 * x-vax, x-vax-gcc: Deleted.
5449 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5451 * c-common.c (declare_function_name): Use func_id_node,
5452 function_id_node, and pretty_function_id_node. Do not make
5453 __func__ visible at file scope.
5454 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5455 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5456 (function_id_node, pretty_function_id_node, func_id_node): New
5458 * c-decl.c (init_decl_processing): Initialize function_id_node,
5459 pretty_function_id_node, and func_id_node.
5460 (c_make_fname_decl): Correct comment.
5462 * tree.h (struct tree_identifier): Constify pointer member.
5464 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5465 * c-pragma.h (struct weak_syms): Constify name and value members.
5466 (add_weak): Constify arguments.
5468 * calls.c (special_function_p): Constify a char *.
5469 (expand_call): Remove variable which is initialized and then
5471 * dependence.c (struct def_use, struct induction, struct subscript):
5472 Constify 'variable' member.
5473 (get_low_bound, have_induction_variable): Constify char * argument.
5474 (find_induction_variable): Add braces to avoid dangling else.
5475 (classify_dependence): Constify char * arrays.
5476 * profile.c (output_func_start_profiler): Constify a char *.
5477 * stor-layout.c (finalize_record_size): Constify a char *.
5478 * tree.c (is_attribute_p): Constify a char *.
5479 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5481 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5482 for comprehensibility. Do not call get_identifier if we did
5483 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5484 create temporary string constants, not ggc_alloc_string. No
5485 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5486 char * to hold IDENTIFIER_POINTERs.
5488 2000-08-29 Richard Henderson <rth@cygnus.com>
5490 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5493 2000-08-29 Richard Henderson <rth@cygnus.com>
5495 * reload.c (push_secondary_reload): Allow class == reload_class
5496 if we're using a reload_in/out pattern.
5498 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5499 the half that does not conflict with the reload register.
5500 (reload_outti): Likewise.
5502 2000-08-29 Kazu Hirata <kazu@hxi.com>
5504 * reload.c: Fix formatting.
5506 * stmt.c: Fix formatting.
5508 * gcc.c: Fix formatting.
5510 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5512 * flags.h (time_report, mem_report): New global flags.
5513 * toplev.c: Define time_report and mem_report.
5514 (f_options): Add -ftime-report and -fmem-report.
5515 (compile_file): Turn on time_report if quiet_flag is off.
5516 Call ggc_print_statistics at very end if mem_report is on.
5517 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5519 * ggc-common.c (ggc_print_statistics): Rename to
5520 ggc_print_common_statistics; all callers changed. Scale
5521 quantities above 10K to kilobytes and above 10M to megabytes.
5522 * ggc-page.c (ggc_page_print_statistics): Rename to
5523 ggc_print_statistics. Report memory consumed by internal data
5524 structures for each allocation bucket. Scale quantities above
5525 10K to kilobytes and above 10M to megabytes.
5526 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5527 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5528 Define tally_leaves always.
5529 (ggc_print_statistics): New function.
5530 * ggc.h: Adjust for renamed functions.
5532 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5534 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5535 output_movsisf instead of which_alternative.
5537 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5539 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5541 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5542 (avr_progmem_p): New prototype.
5543 (output_movsisf): Prototype declaration changed.
5544 (output_movqi): New prototype.
5545 (output_movhi): New prototype.
5546 (call_insn_operand): Likewise.
5547 (final_prescan_insn): Likewise.
5548 (avr_simplify_comparision_p): Likewise.
5549 (avr_normalize_condition): Likewise.
5550 (compare_eq_p): Likewise.
5551 (out_shift_with_cnt): Likewise.
5552 (const_int_pow2_p): Likewise.
5553 (output_reload_inhi): Prototype declaration changed.
5555 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5556 (ldi_reg_rtx): New. rtx for r31.
5557 (avr_init_stack): Initialize as "__stack".
5558 (function_prologue): Use it.
5559 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5560 (avr_mcu_name): Initialize as "avr2".
5561 (avr_enhanced_p, avr_mega_p): New variables.
5562 (mcu_types, avr_override_options): Handle all known MCU types.
5563 Also handle avr1 (only preprocess, assemble and link).
5564 (print_operand): Using of `%K' in output template removed.
5565 (out_movqi_r_mr): Optimized.
5566 (out_movhi_r_mr): Likewise.
5567 (output_movqi): New function.
5568 (output_movhi): Likewise.
5569 (out_movsi_r_mr): Optimized.
5570 (output_movsisf): Compute insn length for `adjust_insn_length'
5571 (out_movqi_mr_r): Optimized.
5572 (out_movhi_mr_r): Optimized.
5573 (adjust_insn_length): Use output_movsisf, output_movqi,
5574 output_movhi for insn length adjusting.
5575 (reg_unused_after): Use dead_or_set_p.
5576 (preferred_reload_class): Now havn't any restriction.
5577 (reg_was_0): New function.
5578 (io_address_p): Likewise.
5579 (const_int_pow2_p): Likewise.
5580 (output_reload_inhi): Likewise.
5581 (output_reload_insisf): Likewise.
5583 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5584 (LIB_SPEC): Use -lc for all supported devices.
5585 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5586 (AVR_MEGA): Define as avr_mega_p.
5587 (AVR_ENHANCED): New, define as avr_enhanced_p.
5588 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5589 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5590 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5591 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5592 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5593 (ASM_SPEC): Pass -mmcu=... to the assembler.
5594 Change all -DAVR_* to -D__AVR_*__.
5595 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5596 Rename library functions to start with two underscores.
5597 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5599 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5600 (SUPPORTS_WEAK): Likewise.
5601 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5602 register for loading constants to r0-r14.
5604 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5606 (*mov_r_sp): Removed. Handled by output_movhi.
5607 (*mov_sp_r): Likewise.
5608 (*mov_sp_r_no_interrupts): Likewise
5609 (*mov_sp_r_tiny): Likewise.
5610 (*movqi): Use output_movqi.
5611 (*reload_inqi): New.
5612 (*movhi): Use output_movhi.
5613 (*reload_inhi): New.
5614 (*negsi2): Optimized.
5615 (*negsf2): Likewise.
5616 Added peepholes (define_peephole2) for loading constants to r0-r14
5617 and for using `cpse' command.
5619 * config/avr/libgcc.S: Rename library functions to start with two
5621 Add support for enhanced core.
5622 (_moqhi3): Fix typo, now _modqi3.
5623 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5624 (__prologue_saves__): Remove test for stack adjust by 0.
5625 (__tablejump__): New.
5627 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5628 Add multilib support.
5630 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5632 * loop.c (prescan_loop): Don't check unknown_address_altered
5633 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5634 to loop_store_mems as necessary.
5635 (loop_invariant_p): Don't check unknown_address_altered
5636 or unknown_constant_address_altered.
5638 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5640 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5642 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5644 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5645 print just the filename.
5646 * cpplex.c (_cpp_run_directive): Add additional argument, the
5647 name to give the synthetic buffer. This defaults to
5648 translated "<command line>".
5649 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5651 (_cpp_define_builtin): New function.
5652 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5653 * cpphash.h: Update prototypes.
5655 * tradcpp.c (main): Process -D and -U simultaneously, in the
5656 order they appeared on the command line.
5658 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5660 * c-decl.c (define_label): Call warning_with_file_and_line and
5661 error_with_file_and_line instead of plain warning or error.
5663 * c-parse.in (label): Use save_filename/save_lineno to ensure
5664 correct values for calls to define_label.
5666 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5668 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5670 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5672 * tree.h (get_file_function_name): Remove two duplicate
5675 2000-08-28 Kazu Hirata <kazu@hxi.com>
5677 * tree.c: Fix formatting.
5679 * xcoffout.c: Fix formatting.
5681 2000-08-28 Jason Merrill <jason@redhat.com>
5683 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5685 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5687 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5688 break_out_includes if it won't do anything.
5690 2000-08-28 Richard Henderson <rth@cygnus.com>
5692 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5693 (find_reloads): Likewise.
5694 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5695 (reload_inhi): Likewise.
5697 2000-08-28 Richard Henderson <rth@cygnus.com>
5699 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5700 (call_insn_operand): Don't expect a surrounding mem.
5701 (constant_call_address_operand): Likewise.
5702 * config/i386/i386.h (PREDICATE_CODES): Update.
5703 * config/i386/i386.md (call patterns): Move the match_operand
5704 for the call destination inside the mem.
5706 2000-08-28 Richard Henderson <rth@cygnus.com>
5708 * local-alloc.c (requires_inout): Don't use reserved range for
5709 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5710 * recog.c (asm_operand_ok): Likewise.
5711 (preprocess_constraints, constrain_operands): Likewise.
5712 * regclass.c (record_reg_classes): Likewise.
5713 * reload.c (find_reloads): Likewise.
5714 * reload1.c (maybe_fix_stack_asms): Likewise.
5715 (reload_cse_simplify_operands): Likewise.
5716 * stmt.c (expand_asm_operands): Likewise.
5718 * md.texi: Update constraints documentation.
5719 * tm.texi (EXTRA_CONSTRAINT): Update.
5721 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5723 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5724 (print_die): If we don't know the offset of the
5725 target die, try the symbol. Add a trailing newline.
5726 (reverse_all_dies): New fn.
5727 (dwarf2out_finish): Call it.
5728 (break_out_includes): Reorganize for clarity.
5729 (add_sibling_attributes): Don't call reverse_die_lists.
5730 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5732 * flags.h: Add flag_eliminate_dwarf2_dups.
5733 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5735 2000-08-28 Jason Merrill <jason@redhat.com>
5737 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5738 * dwarf2out.c: #include "md5.h".
5739 (DIE_LABEL_PREFIX): New macro.
5740 (dw_val_struct): Add 'external' flag to val_die_ref.
5741 (add_AT_die_ref, AT_ref): Adjust.
5742 (AT_ref_external, set_AT_ref_external): New fns.
5743 (build_abbrev_table): Call set_AT_ref_external.
5744 (value_format): Call AT_ref_external.
5745 (die_struct): Add die_symbol field.
5746 (new_die): Clear it.
5747 (dwarf_tag_name): Handle BINCL/EINCL.
5748 (dwarf2out_start_source_file): Add BINCL DIE.
5749 (dwarf2out_end_source_file): Add EINCL DIE.
5750 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5751 (loc_checksum, attr_checksum, die_checksum): New fns.
5752 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5753 (compute_section_prefix, assign_symbol_names): New fns.
5754 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5755 (output_die): Call output_die_symbol and AT_ref_external.
5756 (output_comdat_comp_unit): New fn, split out from...
5757 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5759 (output_pubnames, output_aranges): Abort if we see entries from
5761 * toplev.h: Declare file_name_nondirectory.
5762 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5763 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5764 (debug_start_source_file): Call dwarf2out_start_source_file
5765 regardless of debug verbosity.
5766 (debug_end_source_file): Similarly.
5767 * tree.h: Declare clean_symbol_name.
5768 * tree.c (clean_symbol_name): Split out from...
5769 (get_file_function_name_long): ...here.
5771 * dwarf2out.c (new_loc_descr): Use calloc.
5772 (splice_child_die): Remove the die from the right parent.
5773 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5775 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5777 * toplev.c (decode_g_option): Don't give warning for unknown -g
5778 option; return 0 instead.
5779 (main): If -g option is not recognized by front end or
5780 language-independent code, give warning.
5782 2000-08-28 Greg McGary <greg@mcgary.org>
5784 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5785 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5786 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5788 2000-08-27 Greg McGary <greg@mcgary.org>
5790 * cpplex.c (parse_string): Don't look for backslash
5791 before first char in `namebuf'.
5792 * loop.c (strength_reduce): Skip NOTEs.
5794 2000-08-27 Jason Merrill <jason@redhat.com>
5796 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5797 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5798 TREE_ASM_WRITTEN, either.
5799 (finish_decl): Adjust.
5801 2000-08-28 Philipp Thomas <pthomas@suse.de>
5803 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5804 they have been incorporated into the gettext CVS. Change the text to
5805 reflect the current status of NLS. Add instructions for accessing
5806 the gettext CVS and add the patch from Martin v. Loewis.
5808 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5810 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5811 by using gen_lowpart_common.
5812 (movdi_internal64+6): Likewise.
5814 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5816 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5819 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5820 numbers to the ranges used by GDB.
5822 2000-08-25 Richard Henderson <rth@cygnus.com>
5824 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5825 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5826 (ia64_expand_prologue): Likewise.
5827 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5828 argument for stdargs.
5830 2000-08-25 Jason Merrill <jason@redhat.com>
5832 * integrate.c (expand_inline_function): Pull out the original decl.
5834 2000-08-25 Jim Wilson <wilson@cygnus.com>
5836 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5838 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5840 2000-08-25 Greg McGary <greg@mcgary.org>
5842 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5843 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5845 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5847 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5849 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5851 * i386.c (ix86_find_base_term): New.
5852 * i386-protos.h (ix86_find_base_term): Prototype.
5853 * i386.h (FIND_BASE_TERM): Define.
5854 * alias.c (find_base_term): Use it.
5855 * tm.texi (FIND_BASE_TERM): Document it.
5857 * alias.c (true_dependence, write_dependence_p): Unchanging
5858 memory can't conflict with non-unchanging memory.
5860 * alias.c (memrefs_conflict_p): A BLKmode reference
5861 to a symbol (or CONST_INT address) always conflicts
5862 with a reference to another symbol.
5864 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5866 * c-common.c (time_char_table): Don't allow width and flags with
5869 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5871 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5872 way as LT and LTU when the second operand has 0 in low word.
5874 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5876 * basic-block.h (struct loop): Rename `exits' field to
5877 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5879 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5880 (flow_loop_entry_edges_find): Add.
5881 (flow_edge_list_print): Rename from flow_exits_print.
5882 (flow_loops_find): Call flow_loop_entry_edges_find.
5883 (flow_loop_dump): Dump entry_edges list.
5884 (flow_loops_free): Free entry_edges.
5886 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5888 * loop.c (loop_dump_aux, debug_loop): New functions.
5889 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5891 * flow.c (flow_loops_dump): Add callback parameter.
5892 (flow_loop_dump): Add callback parameter and call it. Move
5893 loop note debugging code to loop_dump_aux.
5895 * basic-block.h (flow_loop_dump): Add callback parameter
5896 (flow_loops_dump): Likewise.
5898 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5899 to call to flow_loops_dump.
5901 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5903 * loop.c (count_loop_regs_set): Replace start and end arguments
5904 with loop argument. All callers udated.
5906 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5908 * loop.c (constant_high_bytes): Delete.
5910 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5912 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5913 and NOTE_INSN_LOOP_VTOP to...
5914 (find_and_verify_loops) ...here.
5916 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5918 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5919 (fini_dummy, init_dummy): Use it.
5921 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5923 * cpplex.c (is_macro_disabled): Caller has already checked
5924 that we're not a preprocessed file.
5926 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5928 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5929 (c-iterate.o): Remove target.
5930 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5931 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5932 (finish_decl): Don't handle iterators.
5933 (grokdeclarator): Likewise.
5934 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5935 * gcc/c-gperf.h: Regenerated.
5936 * gcc/c-iterate.c: Removed.
5937 * gcc/c-lex.c (init_lex): Don't handle iterators.
5938 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5939 (compstmt_primary_start): Remove push_iterator_stack call.
5940 (stmt): Don't allow iterator statements. Replace iterator_expand
5941 with expand_expr_stmt.
5942 (all_iter_stmt): Remove.
5943 (all_iter_stmt_simple): Likewise.
5944 (all_iter_stmt_with_decl): Likewise.
5945 * gcc/c-tree.h (ITERATOR_P): Remove.
5946 (ITERATOR_BOUND_P): Likewise.
5947 (init_iterators): Remove declaration.
5948 (iterator_expand): Likewise.
5949 (iterator_for_loop_start): Likewise.
5950 (iterator_for_loop_end): Likewise.
5951 (iterator_for_loop_record): Likewise.
5952 (push_iterator_stack): Likewise.
5953 (pop_iterator_stack): Likewise.
5954 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5955 (readonly_warning): Likewise.
5956 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5958 2000-08-24 Jim Wilson <wilson@cygnus.com>
5960 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5961 Copy type in a TYPE_DECL, just like pushdecl does.
5963 2000-08-24 Richard Henderson <rth@cygnus.com>
5965 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5967 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5969 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5970 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5971 the extras on the free list.
5972 (release_pages): Clean up.
5973 (ggc_set_mark): Don't adjust G.allocated here...
5974 (sweep_pages): ... do it here.
5976 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5978 * cppfiles.c (read_include_file): Rearrange initializations.
5980 2000-08-24 Richard Henderson <rth@cygnus.com>
5982 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5984 * config/ia64/ia64-protos.h: Update.
5985 * config/ia64/ia64.c (gr_register_operand): New.
5986 (fr_register_operand, grfr_register_operand): New.
5987 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5988 (grfr_reg_or_8bit_operand): New.
5989 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5990 use gr_register_operand.
5991 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5992 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5993 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5994 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5995 (fr_reg_or_fp01_operand): Likewise.
5996 (not_postinc_memory_operand): New.
5997 (ia64_split_timode): Remove unused variables.
5998 (rtx_needs_barrier): Check arguments to cmpxchg.
5999 (builtin_description): Remove.
6000 (bdesc_2argsi, bdesc_2argdi): Remove.
6001 (ia64_init_builtins): Declare all builtins directly.
6002 (ia64_expand_fetch_and_op): Rewrite to be called from
6003 ia64_expand_builtin directly. Use expand_binop and co.
6004 (ia64_expand_op_and_fetch): Likewise.
6005 (ia64_expand_compare_and_swap): Likewise.
6006 (ia64_expand_binop_builtin): Remove.
6007 (ia64_expand_lock_test_and_set): New.
6008 (ia64_expand_lock_release): New.
6009 (ia64_expand_builtin): Use them.
6010 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6011 (EXTRA_CONSTRAINT): Use it.
6012 (PREDICATE_CODES): Update.
6013 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6014 (mf): Indicate that we set memory as well as use it.
6015 (fetchadd_acq_si): Show memory being modified as well.
6016 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6017 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6018 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6019 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6020 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6021 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6022 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6023 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6024 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6025 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6026 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6027 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6028 return type. Pretty print definitions.
6030 2000-08-24 Jim Wilson <wilson@cygnus.com>
6032 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6033 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6035 2000-08-24 Jason Merrill <jason@redhat.com>
6037 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6038 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6039 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6040 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6042 2000-08-24 Greg McGary <greg@mcgary.org>
6044 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6045 and extendtab within their proper array boundaries.
6046 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6047 for the entire array.
6049 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6050 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6051 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6052 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6053 * config/i386/dgux.c (output_options): Likewise.
6054 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6055 * config/m88k/m88k.c (output_options): Likewise.
6056 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6057 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6058 layout_mcore_frame, handle_structs_in_regs): Likewise.
6059 * config/mips/mips.c (output_block_move): Likewise.
6060 * config/rs6000/rs6000.c (rs6000_override_options,
6061 rs6000_file_start): Likewise.
6062 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6063 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6064 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6065 * builtins.c (expand_builtin_setjmp): Likewise.
6066 * expr.c (safe_from_p): Likewise.
6067 * flow.c (life_analysis): Likewise.
6068 * fold-const.c (size_int_type_wide): Likewise.
6069 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6070 * genattrtab.c (make_length_attrs): Likewise.
6071 * genopinit.c (gen_insn): Likewise.
6072 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6073 * global.c (global_alloc): Likewise.
6074 * local-alloc.c (find_free_reg): Likewise.
6075 * mips-tdump.c (print_symbol): Likewise.
6076 * mips-tfile.c (parse_def, parse_input): Likewise.
6077 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6078 * stmt.c (expand_nl_goto_receiver): Likewise.
6079 * stor-layout.c (set_sizetype): Likewise.
6080 * varasm.c (decode_reg_name): Likewise.
6081 * toplev.c (decode_f_option, decode_W_option,
6082 set_target_switch, print_switch_values): Likewise.
6083 (NUM_ELEM): Remove macro.
6084 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6086 2000-08-24 Greg McGary <greg@mcgary.org>
6088 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6089 (MAIN_NAME_P, main_identifier_node): New macros.
6090 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6091 * c-decl.c (start_decl, grokdeclarator, start_function,
6092 store_parm_decls, finish_function): Use MAIN_NAME_P.
6093 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6094 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6095 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6096 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6098 2000-08-24 Greg McGary <greg@mcgary.org>
6100 * cppfiles.c (actual_directory): Don't write beyond `dir'
6101 when it contains "".
6102 * real.c (asctoeg): Stay within bounds of etens[][].
6104 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6106 * dependence.c (dependence_string, direction_string,
6107 dump_one_node, dump_node_dependence): Hide unused identifiers.
6108 (get_low_bound, normalize_coefficients): Match definition to
6110 (get_one_coefficient): Initialize variables `value0_is_idx' and
6112 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6113 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6114 (direction_merge): Avoid automatic aggregate initialization.
6115 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6116 Initialize variables `dest_idx' and `src_idx'.
6117 (end_dependence_analysis): Avoid C89 style function definition.
6119 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6121 * c-common.c (time_char_table): Don't allow width with %F.
6122 (check_format_info): Don't allow "Z" length with scanf.
6124 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6126 * diagnostic.c (finish_diagnostic): Define.
6127 (output_do_printf): Use wrap_text instead of output_add_string.
6128 (default_print_error_function): Avoid embedded '\n'.
6130 * diagnostic.h (flush_diagnostic_buffer): Declare.
6132 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6134 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6136 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6138 * Makefile.in (GCC_PASSES): Add specs.
6140 2000-08-23 Jim Wilson <wilson@cygnus.com>
6142 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6143 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6144 EHANDLER nor UHANDLER bit is set.
6145 (__get_except_table): Likewise.
6147 2000-08-23 Nick Clifton <nickc@redhat.com>
6149 * config/arm/lib1funcs.asm: Replace upper case condition codes
6150 with lower case versions.
6152 * config/arm/arm.h (STRUCT_VALUE): Define.
6153 (STRUCT_VALUE_REGNUM): Delete.
6155 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6157 * cpphash.h (IN_I): New flag for directive table.
6158 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6160 (_cpp_check_directive): If -fpreprocessed, execute directives
6161 marked with IN_I. Issue no warnings in this case.
6162 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6164 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6166 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6168 (check_format_info): Support printf 'I' flag; warn about it with
6171 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6173 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6174 barrier can't be ignored by the alias analysis code.
6176 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6178 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6179 works inside fixincl.
6181 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6183 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6184 simplify_relational_operation() unless both operands are of
6186 * cse.c (fold_rtx): Likewise.
6188 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6190 * rtlanal.c (rtx_unstable_p): The pic register is stable
6191 (within one function) and the actual rtx should be used
6192 when checking the registers.
6193 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6195 * alias.c (true_dependence, write_dependence_p): Fix
6196 bug in previous patch.
6198 * i386.c (ix86_GOT_alias_set): New.
6199 (legitimize_pic_address): Use it.
6201 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6202 only stable if its address is stable.
6203 (rtx_varies_p): An unchanging MEM can't vary if
6204 its address doesn't vary.
6206 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6208 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6210 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6212 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6213 * x-vax-gcc: New file for bootstrapping with gcc.
6214 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6215 * configure.in: Use x-vax-gcc with gcc.
6216 * configure: Rebuilt.
6218 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6220 * toplev.c (rest_of_compilation): Rebuild label notes after
6221 post-reload splitting pass if new labels have been created.
6223 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6225 * diagnostic.h (output_buffer_state): New macro.
6226 * diagnostic.c (diagnostic_for_decl, sorry,
6227 default_print_error_function, output_do_verbatim,
6228 report_diagnostic, report_problematic_module): Use it.
6230 (output_format): Use wrap_text instead of maybe_wrap_text.
6232 2000-08-22 Nick Clifton <nickc@redhat.com>
6234 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6235 Common code for ARM divide and modulus functions.
6236 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6238 (FUNC_END): New macro: Common code at the end of the division and
6240 (THUMB_FUNCTION_START): New macro: Common code at the start of
6242 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6244 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6246 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6248 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6249 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6252 2000-08-22 Nick Clifton <nickc@redhat.com>
6254 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6255 restorative additions, test for bottom bits of IP being set,
6256 rather than relying upon the RORs not matching.
6259 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6261 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6262 text_section() as appropriate instead of emitting text csect
6264 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6265 (UNIQUE_SECTION): Define macro.
6266 (ASM_OUTPUT_SECTION_NAME): Define macro.
6267 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6268 on AIX if debugging and -fdata-sections always.
6270 2000-08-22 Steven King <sxking@uswest.net>
6272 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6274 (LDBL_MAX): Same here.
6276 2000-08-22 Richard Henderson <rth@cygnus.com>
6278 * flow.c (tidy_fallthru_edge): Update b->end properly.
6280 2000-08-22 Stan Cox <scox@redhat.com>
6282 * Makefile.in (OBJS): Add dependence.o.
6283 * dependence.c: New file.
6285 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6287 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6289 (check_sibcall_argument_overlap): Likewise.
6291 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6293 * invoke.texi (SH Options): Document -m4-nofpu,
6294 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6295 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6297 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6299 * c-common.c (check_format_info): Give the 'some locales' warning
6300 for strftime %Ey rather than the unconditional 'only last 2 digits
6303 2000-08-22 Richard Henderson <rth@cygnus.com>
6305 * alias.c (init_alias_analysis): Do not register
6306 struct_value_incoming_rtx or static_chain_rtx as pointing
6309 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6311 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6313 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6315 * diagnostic.h (report_problematic_module): Declare.
6316 * diagnostic.c (report_problematic_module): New function.
6317 (report_error_function): Tweak.
6319 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6321 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6322 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6324 2000-08-21 Richard Henderson <rth@cygnus.com>
6326 * flow.c (calculate_global_regs_live): Mark frame pointer live
6327 everywhere before reload.
6329 2000-08-21 Jim Wilson <wilson@cygnus.com>
6331 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6332 INTEL_EXTENDED_IEEE_FORMAT.
6333 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6334 clear last two bytes of output FP value.
6336 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6338 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6340 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6342 * unroll.c (loop_find_equiv_value): If ret is modified between
6343 insn and loop_start, ret might not be equivalent to reg.
6345 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6347 * c-common.c (init_dollar_format_checking,
6348 maybe_read_dollar_number, finish_dollar_format_checking): New
6350 (dollar_arguments_used, dollar_arguments_count,
6351 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6353 (check_format_info): Support $ formats for scanf and printf width
6354 and precision. Always increment format_chars to advance past the
6355 '*' of precision, not just when the format parameters are
6358 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6360 * mips.c (block_move_loop, expand_block_move,
6361 function_arg_partial_nregs, save_restore_insns, function_prologue,
6362 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6364 (function_arg_advance, function_arg): Match argument to format
6367 2000-08-21 Nix <nix@esperi.demon.co.uk>
6369 * gcc.c (do_spec_1): Implement %j spec flag.
6370 Remove dead comment.
6372 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6373 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6374 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6375 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6377 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6378 writable) instead of hardcoded value.
6380 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6382 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6385 * gcc.c (cc1_options): Do not process -o or run the assembler if
6387 * objc/lang-spec.h: Likewise.
6389 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6391 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6392 "external" fixes through `cat', to avoid truncating the input
6393 file by redirection.
6395 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6397 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6399 (lea_general_2, lea_general_3): Likewise.
6401 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6403 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6404 warnings to user code.
6406 * c-lex.c (readescape, yylex): Likewise.
6408 * c-typeck.c (store_init_value, process_init_element): Likewise
6409 (c_expand_start_case): Format.
6411 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6413 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6415 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6416 and linker_endian_spec to endian_spec.
6417 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6418 (LINK_SPEC): Remove %{EB} and %{EL}.
6419 (ASM_SPEC): Likewise. Use %(endian_spec).
6421 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6423 * c-tree.h (flag_hosted): Move declaration from here...
6424 * c-common.h (flag_hosted): ... to here.
6425 (flag_noniso_default_format_attributes): New declaration.
6426 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6427 (c_decode_option): Set it appropriately for options choosing
6428 language standard variant.
6429 * c-common.c (init_function_format_info): Only provide default
6430 format attributes if flag_hosted. Only provide the gettext
6431 formats if flag_noniso_default_format_attributes. Update
6433 (check_format_info): Disable treatment of %a as a scanf flag in
6436 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6438 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6440 (check_format_info): Set 'wide' for scanf format widths. Warn for
6441 a zero scanf width. Make the check for writing into a constant
6442 object at the first level of indirection; at later levels, warn if
6443 any type qualifiers are encountered.
6445 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6447 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6449 (push_reload): Use reload_inner_reg_of_subreg.
6450 (combine_reloads): Do not combine reloads if the input reload
6451 is a SUBREG in which the inner part will need reloading.
6453 * global.c (global_alloc): Avoid passing dumpfile argument to
6455 * toplev.c (rest_of_compilation): Likewise.
6456 * reload.h (reload): Remove dumpfile argument. Callers changed.
6457 (debug_reload, debug_reload_to_stream): Move prototypes here.
6458 * rtl.h (reload): Remove dumpfile argument.
6459 * reload.c (debug_reload): Remove prototype.
6460 (debug_reload_to_stream): Likewise.
6461 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6464 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6466 * diagnostic.c (context_as_prefix): Export.
6467 (need_error_newline): Remove.
6468 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6469 (error_module_changed, record_last_error_module,
6470 error_function_changed, record_last_error_function): New functions.
6471 (initialize_diagnostics): Default intialize
6472 lang_diagnostic_starter, lang_diagnostic_finalizer.
6473 (init_output_buffer): Tweak.
6474 (file_name_as_prefix): New function.
6475 (announce_function, default_print_error_function,
6476 report_error_function, set_diagnostic_context): Tweak.
6478 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6480 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6481 condition expression.
6483 2000-08-20 Richard Henderson <rth@cygnus.com>
6485 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6487 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6489 * cppinit.c (cpp_init): Set global flag when called.
6490 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6492 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6494 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6495 before `process_directive' so that newlines won't be missed
6497 (cpp_printf): Increment `print->lineno' when newline is emitted.
6499 * cppmain.c (cb_ident): Likewise.
6500 (cb_define): Likewise.
6501 (cb_undef): Likewise.
6502 (cb_include): Likewise.
6503 (cb_def_pragma): Likewise.
6504 (dump_macros_helper): Likewise.
6506 2000-08-20 Richard Henderson <rth@cygnus.com>
6508 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6509 assigned before a loop.
6511 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6512 (ashrsi3, lshrsi3): Likewise.
6514 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6516 * c-lang.c: #include diagnostic.h
6517 (c_tree_printer): New function.
6518 (lang_init): Initialize lang_printer.
6520 * Makefile.in (c-lang.o): Depends on diagnostic.h
6522 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6524 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6526 * diagnostic.c (default_diagnostic_starter,
6527 default_diagnostic_finalizer): New functions.
6528 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6529 (pedwarn, pedwarn_with_file_and_line, error,
6530 error_with_file_and_line, fatal, warning,
6531 warning_with_file_and_line): Adjust call to report_diagnostic.
6532 (report_diagnostic): Rework.
6533 (set_diagnostic_context): New function.
6535 * diagnostic.h (struct diagnostic_context): New data structure.
6536 (diagnostic_message, diagnostic_argument_list,
6537 diagnostic_file_location, diagnostic_line_location,
6538 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6539 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6540 (set_diagnostic_context): Declare.
6541 (report_diagnostic): Change prototype.
6543 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6545 * fix-header.c (main): Initialize cpplib.
6547 2000-08-19 Michael Meissner <meissner@redhat.com>
6549 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6550 instructions in it before checking for indirect jumps.
6552 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6553 in a indirect jump as a potential for conditional execution.
6555 * d30v.h (d30v_init_expanders): Don't declare here.
6556 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6559 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6561 * cpp.texi: Add @section for assertions.
6563 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6565 * loop.c (scan_loop): Use CONST_CALL_P instead of
6566 checking for REG_LIBCALL / REG_RETVAL.
6568 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6570 * reload1.c (reload_as_needed): Accept dumpfile argument,
6571 pass it to emit_reload_insns.
6572 (emit_reload_insns): Add new dumpfile argument. If non-null
6573 then dump the reloads for each insn into the dumpfile.
6574 (reload): Pass dumpfile to reload_as_needed.
6576 * invoke.texi: Clean up linux-gnu vs linux comments.
6578 2000-08-19 Richard Henderson <rth@cygnus.com>
6580 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6581 (ia64_depz_field_mask): New.
6582 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6583 (PREDICATE_CODES): Update.
6584 * config/ia64/ia64.md: Update commentary.
6585 (depz_internal): New.
6586 (ashlsi3): Implement directly.
6587 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6588 (ashldi3): Use shladd.
6589 * config/ia64/ia64-protos.h: Update.
6591 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6593 * toplev.c (independent_decode_option): Always process -g.
6594 Remove third argument, now unused. Adjust caller to match.
6596 2000-08-18 Richard Henderson <rth@cygnus.com>
6598 * combine.c (make_compound_operation): Break after creating
6601 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6603 * cpplib.c (cpp_register_pragma_space): Just return if the
6604 namespace is already registered.
6606 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6608 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6609 constant amount. Do not generate ROTL instruction.
6611 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6613 * config/sh/elf.h: Do not include sh/sh.h.
6614 * config/sh/rtems.h: Likewise.
6615 * config/sh/rtemself.h: Do not include sh/elf.h.
6616 * configure.in: Get them included with `tm_file's.
6617 * configure: Rebuilt.
6619 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6620 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6622 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6624 * stor-layout.c (compute_record_type): Don't use mode of single
6625 field as mode of record if not integer mode of same type.
6627 * regmove.c (perhaps_ends_bb_p): New function.
6628 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6629 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6630 (fixup_match_1): Likewise.
6631 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6632 avoid signed/unsigned warnings.
6634 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6637 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6639 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6640 (_cpp_trigraph_map): Declaration moved from cpplex.c
6642 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6643 instead of 256. Use consistent test for designated initializers.
6644 (cpp_init): Initialize trigraph_map.
6645 (initialize_standard_includes, parse_option): Use memcmp
6648 * cpplex.c (init_trigraph_map): Remove.
6649 (trigraph_ok, trigraph_replace, lex_line): Refer to
6652 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6653 (do_unassert): Remove unused "next" local.
6655 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6657 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6659 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6662 2000-08-17 Richard Henderson <rth@cygnus.com>
6664 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6665 the first insn in a sequence.
6667 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6669 * alias.c (true_dependence, write_dependence_p): A read
6670 involving a label_ref or the constant pool doesn't create
6673 * rtl.h (unchanging): Improve documentation.
6675 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6677 * cse.c (insert_regs): Remove unused `regno'.
6679 2000-08-17 Neil Booth <NeilB@earthling.net>
6681 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6682 remove_dup_dirs. If qtail == brack, remove brack not
6684 (remove_dup_dir, remove_dup_dirs): New functions.
6686 2000-08-17 Neil Booth <NeilB@earthling.net>
6688 * cppinit.c (cpp_cleanup): Free include dir chains.
6689 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6690 (do_unassert): Free the assert with _cpp_free_definition.
6691 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6692 assertions. Make the node a T_VOID node.
6694 2000-08-17 Neil Booth <NeilB@earthling.net>
6696 * cppinit.c (path_include, append_include_chain):
6697 Remove 2nd parameter (struct cpp_pending *).
6698 (path_include, initialize_standard_includes, cpp_handle_option):
6699 Update callers appropriately.
6700 (cpp_handle_option): Use pend.
6702 2000-08-17 Neil Booth <NeilB@earthling.net>
6704 * cppinit.c (sort_options): Remove, put functionality in
6707 (initialize_builtins): Free memory.
6708 (cpp_start_read): Move init_IStable to cpp_init.
6710 * cpplib.h (cpp_init): New prototype.
6711 * cppmain.c (main): Call cpp_init.
6713 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6715 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6716 (rtx_unstable_p, rtx_varies_p): Process vectors.
6718 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6720 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6721 references to GLOBAL symbols. Use LOCAL where appropriate.
6723 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6725 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6726 use t-aix41 when host == target.
6728 2000-08-16 Richard Henderson <rth@cygnus.com>
6730 * reload.c (push_secondary_reload): Revert last change.
6731 If we use a reload_in/out pattern, make the when the same
6732 as the primary reload.
6733 (find_reloads): Likewise.
6735 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6737 * configure.in (libstdcxx-v3): Fix test.
6738 * configure: Regenerate.
6740 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6742 * calls.c (calls_function_1, expand_call): Only test
6743 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6744 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6746 2000-08-16 Richard Henderson <rth@cygnus.com>
6748 * combine.c (simplify_shift_const): Revert previous two
6749 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6750 before the main loop.
6752 2000-08-15 Richard Henderson <rth@cygnus.com>
6754 * combine.c (simplify_shift_const): Bound shift count when
6757 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6759 * calls.c (ECF_SP_DEPRESSED): New macro.
6760 (calls_function_1): Treat calling sp-depressed function as alloca.
6761 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6762 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6763 If sp-depressed, ensure block saves and restores SP.
6764 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6766 * function.c (keep_stack_depressed): New function.
6767 (thread_prologue_and_epilogue_insns): Call it.
6768 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6769 to print DECL_OFFSET_ALIGN.
6770 Print no-force-blk and transparent-union flags properly.
6771 * stmt.c (expand_goto_internal): Don't restore stack if last block
6772 and function returns with sp depressed.
6773 (fixup_gotos): Likewise.
6774 (save_stack_pointer): New function, from code in expand_decl.
6775 (expand_decl): Call new function.
6776 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6777 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6778 (save_stack_pointer): New declaration.
6780 * diagnostic.c (fatal_function): New variable.
6781 (set_fatal_function): New function.
6783 * diagnostic.h (set_fatal_function): New declaration.
6785 2000-08-15 William Cohen <wcohen@redhat.com>
6787 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6788 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6789 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6791 2000-08-15 Richard Henderson <rth@cygnus.com>
6793 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6795 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6797 * arm.c (arm_function_ok_for_sibcall): New function.
6798 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6799 * arm.md (call expanders): Don't check here for calls that can't
6802 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6804 * arm.md (splits generating cond_exec): Disable.
6806 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6808 * arm/linux-elf.h (text_section): Delete declaration.
6810 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6812 ARM support for unordered FP operations.
6813 * arm-protos.h (arm_comparison_operator): Declare.
6814 * arm.c (arm_comparison_operator): New function.
6815 (arm_select_cc_mode): Add unordered comparison codes.
6816 (get_arm_condition_code): Likewise.
6817 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6818 be done in one insn.
6819 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6820 * arm.md (all uses of comparison_operator): Replace with
6821 arm_comparison_operator.
6822 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6824 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6827 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6829 * gthr-posix.h: Conditionally include <sched.h>; include
6830 <config.h> from libobjc/.
6832 2000-08-14 Richard Henderson <rth@cygnus.com>
6834 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6837 2000-08-14 Richard Henderson <rth@cygnus.com>
6839 * configure.in (ia64-*): Set float_format for i386 long double.
6841 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6842 as we would for i386 XFmode.
6843 (PUT_REAL): Likewise.
6844 (endian, ereal_atof, real_value_truncate): Likewise.
6845 (ereal_isneg, toe64, etens, make_nan): Likewise.
6846 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6848 * config/ia64/ia64-protos.h: Update.
6849 * config/ia64/ia64.c (general_tfmode_operand): New.
6850 (destination_tfmode_operand): New.
6851 (tfreg_or_fp01_operand): New.
6852 (ia64_split_timode): New.
6853 (spill_tfmode_operand): New.
6854 (ia64_expand_prologue): Use TFmode not XFmode.
6855 (ia64_expand_epilogue): Likewise.
6856 (ia64_function_arg): Likewise.
6857 (ia64_function_arg_advance): Likewise.
6858 (ia64_return_in_memory): Likewise.
6859 (ia64_function_value): Likewise.
6860 (ia64_print_operand): Likewise.
6861 (ia64_register_move_cost): Set GR<->FR to 5.
6862 (ia64_secondary_reload_class): Get GR for TImode memory op.
6863 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6864 (ROUND_TYPE_ALIGN): Remove.
6865 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6866 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6867 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6868 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6869 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6870 (CLASS_MAX_NREGS): Likewise.
6871 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6872 (PREDICATE_CODES): Update.
6873 * config/ia64/ia64.md (movti): New.
6874 (movti_internal): Use a clobber for memory alternatives.
6875 (reload_inti, reload_outti): New.
6876 (movsfcc_astep): Predicate properly.
6877 (movdfcc_astep): Likewise.
6880 (extendsftf2, extenddftf2): New.
6881 (trunctfsf2, trunctfdf2): New.
6882 (floatditf2, fix_trunctfdi2): New.
6883 (floatunsditf2, fixuns_trunctfdi2): New.
6884 (addtf3, subtf3, multf3, abstf2): New.
6885 (negtf2, nabstf2, mintf3, maxtf3): New.
6886 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6888 (fr_spill): Use TFmode, not XFmode.
6889 (fr_restore): Likewise.
6890 * config/ia64/lib1funcs.asm (__divtf3): New.
6891 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6893 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6895 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6897 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6898 `U' integer constant suffix.
6900 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6903 * sparc/sol2.h (__enable_execute_stack): Prototype.
6905 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6907 * collect2.c: Remove use of AIX import file.
6909 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6911 * rs6000.c (print_operand, case 'E'): Add else.
6913 2000-08-14 Richard Henderson <rth@cygnus.com>
6915 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6916 (movdi_symbolic): New.
6918 2000-08-14 Jim Wilson <wilson@cygnus.com>
6920 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6921 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6922 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6925 2000-08-14 Richard Henderson <rth@cygnus.com>
6927 * expr.c (emit_group_load): Don't force constants into registers.
6928 Special case source already in the correct mode.
6930 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6932 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6933 * fixinc/inclhack.def: Likewise.
6934 * fixinc/mkfixinc.sh: Likewise.
6935 * configure: Regenerate.
6936 * fixinc/fixincl.x: Regenerate.
6937 * install.texi: Document equivalence of linux and linux-gnu.
6939 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6941 * cse.c (insert_regs): Also in REG case: When finding an invalid
6942 value, and we make a new quantity, make sure that it won't be
6943 mistaken by for a valid one by mention_regs.
6945 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6947 * h8300.md: Remove obsolete peepholes.
6949 2000-08-13 Kazu Hirata <kazu@hxi.com>
6951 * invoke.texi (H8/300 Options): Fix typos.
6952 * config/h8300.c: Fix formatting.
6953 * config/h8300.h: Fix comment typos.
6954 (OVERRIDE_OPTIONS): Fix formatting.
6956 * function.c: Fix formatting.
6958 * cse.c: Fix formatting.
6960 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6962 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6963 (attempt_auto_inc): Suppress parentheses warning.
6964 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6965 * loop.c (load_mems): Remove `u' suffix in two places.
6966 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6968 * config/rs6000/rs6000.h: Likewise.
6969 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6970 __eabi dummy routine.
6971 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6974 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6975 not put stuff in .sdata unnecessarily.
6976 (rs6000_unique_section): New function.
6977 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6978 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6980 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6981 arrays in C99. Don't try to look at DECL_REGISTER of a
6982 COMPONENT_REF. Don't complain twice about the same error.
6984 * fixinc/inclhack.def (aix_pthread): New fix.
6985 (aix_sysmachine): New fix.
6986 * fixinc/fixincl.x: Regenerate.
6988 * expr.c (expand_expr): Call convert_modes when turning a large
6989 multiply into a small one.
6991 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6993 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6994 the tree structure an exponent rather than an explicit alignment
6995 so it doesn't overflow.
6996 (SET_DECL_OFFSET_ALIGN): New macro.
6997 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6998 rather than DECL_OFFSET_ALIGN.
6999 (place_field): Likewise.
7000 * expmed.c (store_bit_field): Abort on align==0 to avoid
7001 antisocial machine behaviour.
7003 2000-08-12 Richard Henderson <rth@cygnus.com>
7005 * sibcall.c (uses_addressof): Accept both addressof and
7006 current_function_internal_arg_pointer inside a mem.
7007 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7008 if current_function_uses_addressof.
7009 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7012 2000-08-11 Richard Henderson <rth@cygnus.com>
7014 * config/ia64/ia64.md (addsi3): Remove expander.
7015 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7016 (*addsi3_shladd): New.
7018 2000-08-11 Richard Henderson <rth@cygnus.com>
7020 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7021 (do_restore): Likewise.
7022 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7023 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7024 (rtx_needs_barrier): Track actual bit manipulation for
7025 ar.unat moves, gr_spill, and gr_restore.
7026 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7027 (process_set): Don't handle varargs spills.
7028 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7029 .mem.offset here instead of in process_set.
7030 (gr_restore): Likewise.
7032 2000-08-11 Richard Henderson <rth@cygnus.com>
7034 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7036 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7038 * gcc.texi (The Configuration File): Document
7039 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7040 UPDATE_PATH_HOST_CANONICALIZATION.
7042 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7044 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7045 unprototyped function pointer casts on integer constants.
7047 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7049 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7051 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7053 * extend.texi (Volatiles): Fix typos.
7055 2000-08-11 Kazu Hirata <kazu@hxi.com>
7057 * flow.c: Fix formatting.
7059 2000-08-11 Richard Henderson <rth@cygnus.com>
7061 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7062 pattern, always allocate a tertiary scratch register.
7064 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7065 (reload_inhi): Likewise.
7067 2000-08-11 Richard Henderson <rth@cygnus.com>
7069 * function.c (put_reg_into_stack): Allow type to be NULL.
7070 (schedule_fixup_var_refs): Likewise.
7071 (gen_mem_addressof): Allow decl to be NULL.
7072 (put_addressof_into_stack): Likewise.
7074 * flow.c (merge_blocks_nomove): Be more careful about
7075 locating the beginning of block A.
7077 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7079 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7084 * config.in: Reverted the check for <sched.h>.
7086 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7088 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7089 macros define the name of CTOR and DTOR sections.
7090 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7091 DTOR_LIST_END): Change to use attributes to specify
7093 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7094 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7095 DTOR_LIST_END): Same as in mips/elf.h.
7097 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7099 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7100 disabling just crt0.o.
7102 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7104 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7105 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7106 (EXTRA_SPECS): Add them.
7107 * arm/lib1funcs.asm: Support builds for interworking.
7108 Use macros to eliminate duplicated pieces of code.
7110 2000-08-10 Kazu Hirata <kazu@hxi.com>
7112 * h8300.c (expand_a_rotate): New.
7113 (emit_a_rotate): Likewise.
7114 (h8300_adjust_insn_length): Add support for the rotate insns.
7115 * h8300.md (rotlqi3): New.
7116 (*rotlqi3_1): Likewise.
7117 (rotlhi3): Likewise.
7118 (*rotlhi3_1): Likewise.
7119 (rotlhi3): Likewise.
7120 (*rotlhi3_1): Likewise.
7121 * h8300-proto.h: Add prototypes for expand_a_rotate and
7124 * h8300.c: Fix comment typos.
7125 (dosize): Declare the variable amount as unsigned.
7126 (get_shift_alg): Fix a comparison between signed and unsigned.
7127 (emit_a_shift): Likewise.
7128 (h8300_adjust_insn_length): Simplify the code.
7130 * c-decl.c: Fix formatting.
7132 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7134 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7135 warning about non-traditional numeric constant suffixes.
7137 * cppexp.c (parse_number): Likewise.
7139 * invoke.texi: (-Wtraditional): Document new behavior.
7141 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7143 * gthr-posix.h: Include auto-host.h. Conditionally include
7145 * configure.in: Check for the <sched.h> header file.
7146 * config.in: Added define for HAVE_SCHED_H.
7148 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7150 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7151 initialization of unions.
7153 * invoke.texi (-Wtraditional): Document new behavior.
7155 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7157 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7158 instead of extra_c_flags.
7159 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7160 * configure: Regenerate.
7161 * config.in: Regenerate.
7163 * cpperror.c (cpp_type2name): New function.
7164 * cpplex.c (lex_line): If we issued an error for an invalid
7165 preprocessing directive, discard that logical line.
7166 * cpplib.c (do_line): Call a hook function if the current file
7167 is renamed by #line.
7168 (do_ident): Pass the contents of the string, not the entire
7169 token, to the callback function.
7170 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7171 (cb.rename_file): New hook function.
7172 (cb.ident): Adjust prototype.
7173 (cpp_type2name): Prototype.
7174 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7176 * cppmain.c (cb_ident): Update for changed interface.
7177 (cb_rename_file): New function.
7178 (main): Set rename callback.
7180 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7182 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7183 multi-word registers.
7185 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7187 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7188 or ISO C89 instead of ANSI C.
7189 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7190 build_enumerator, do_case): Likewise.
7191 * c-lex.c (parse_float, yylex): Likewise.
7192 * c-parse.in: Likewise.
7193 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7194 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7195 build_c_cast, convert_for_assignment, set_init_index,
7196 set_init_label, c_expand_start_case): Likewise.
7197 * toplev.c (documented_lang_options, display_help): Likewise.
7199 2000-08-08 Kazu Hirata <kazu@hxi.com>
7201 * h8300.c: Fix formatting.
7202 * h8300.h: Likewise.
7203 * h8300.md: Likewise.
7204 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7206 * reload1.c: Fix formatting.
7208 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7210 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7211 Use GEN_CALL_VALUE define.
7212 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7213 * clipper/clipper.md (untyped_call): Likewise.
7214 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7215 * fx80/fx80.md (untyped_call): Likewise.
7216 * mips/mips.md (untyped_call): Likewise.
7217 * ns32k/ns32k.md (untyped_call): Likewise.
7218 * pa/pa.md (untyped_call): Likewise.
7219 * romp/romp.md (untyped_call): Likewise.
7220 * sparc/sparc.md (untyped_call): Likewise.
7222 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7224 * config/i860/i860.c (singlemove_string): Do not generate assembler
7225 pseudo instructions that must be expanded (that is, with signed
7226 constants larger than 16 bits).
7228 2000-08-08 Richard Henderson <rth@cygnus.com>
7230 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7231 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7232 (init_propagate_block_info): Don't kill memory stores at -O0.
7233 (mark_set_1, mark_used_regs): Likewise.
7235 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7237 * rs6000.c (optimization_options): Decorate 'level' as
7239 (mask64_operand): Remove sign-extend thinko.
7240 (rldic_operand): New function.
7241 (load_multiple_operation): regno's are unsigned ints.
7242 (store_multiple_operation): Likewise.
7243 (lmw_operation): Likewise.
7244 (stmw_operation): Likewise.
7245 (includes_lshift_p): shift_mask is unsigned int.
7246 (includes_lshift64_p): New function.
7247 (addrs_ok_for_quad_peep): unsigned int reg1.
7248 (print_operand): Consistently add "else" after
7249 output_operand_lossage().
7250 (print_operand, case 'b'): Fold in case 'W'.
7251 (print_operand, case 'W'): Print rldic MB value.
7252 (output_epilogue): Update Objective-C language string.
7253 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7254 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7255 * rs6000.md (ashldi3): Add rldic instruction.
7256 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7257 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7260 2000-08-08 Richard Henderson <rth@cygnus.com>
7262 * config/ia64/ia64-protos.h: Remove duplicates. Update
7263 for massive code rearrangements.
7264 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7265 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7266 (ia64_local_regs, ia64_need_regstk): Remove.
7267 (ar_ccv_reg_operand): New.
7268 (ia64_gp_save_reg): New.
7269 (struct ia64_frame_info): Combine most of the size elements;
7270 add new gr save elements.
7271 (find_gr_spill): New.
7272 (next_scratch_gr_reg): New.
7273 (mark_reg_gr_used_mask): New.
7274 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7275 to GR backing store regs when possible.
7276 (ia64_initial_elimination_offset): New.
7277 (ia64_rap_fp_offset): Remove.
7278 (save_restore_insns): Remove.
7279 (setup_spill_pointers): New.
7280 (finish_spill_pointers): New.
7281 (spill_restore_mem): New.
7282 (do_spill, do_restore): New.
7283 (ia64_expand_prologue): Rewrite to use them.
7284 (ia64_expand_epilogue): Likewise.
7285 (ia64_direct_return): Update for current_frame_info changes.
7286 (ia64_function_prologue): Simplify .prologue emission. Emit
7288 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7289 (ia64_dbx_register_number): New.
7290 (ia64_initialize_trampoline): New.
7291 (ia64_secondary_reload_class): Request GR_REGS for integer
7292 arithmetic destined for FR_REGS.
7293 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7294 (ia64_mark_machine_status): Mark ia64_gp_save.
7295 (rws_access_regno): Rename from rws_access_reg; don't treat
7296 predicates specially.
7297 (rws_access_reg): New. Update all callers.
7298 (rtx_needs_barrier): Remove dead unspecs.
7299 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7300 (ia64_encode_section_info): Silence signed/unsigned warnings.
7301 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7302 (tmp_reg, tmp_saved): Remove.
7303 (process_set): Rewrite to expect complicated bits via
7304 REG_FRAME_RELATED_EXPR.
7305 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7306 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7307 (ia64_expand_op_and_fetch): Likewise.
7308 (ia64_expand_compare_and_swap): Likewise.
7309 (ia64_expand_builtin): Likewise.
7310 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7311 (FIRST_PSEUDO_REGISTER): Update.
7312 (AR_M_REGNO_P): Update.
7313 (FIXED_REGS): Don't mark three local registers as used.
7314 (EXTRA_CC_MODES): New.
7315 (SELECT_CC_MODE): New.
7316 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7317 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7318 (FRAME_GROWS_DOWNWARD): Unset.
7319 (STARTING_FRAME_OFFSET): Zero.
7320 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7321 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7322 (HARD_FRAME_POINTER_REGNUM): New.
7323 (CAN_DEBUG_WITHOUT_FP): Define.
7324 (TRAMPOLINE_TEMPLATE): Remove.
7325 (TRAMPOLINE_SIZE): Lower to 32.
7326 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7327 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7328 (PREDICATE_CODES): Update.
7329 (struct machine_function): Add ia64_gp_save.
7330 * config/ia64/ia64.md: Purge unused unspecs.
7331 (movsi patterns): Allow moves to/from AR_M_REGS.
7332 (movdi patterns): Allow moves to/from p0.
7333 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7334 (gr_spill, gr_restore): Indicate ar.unat read/written.
7335 (nonlocal_goto): Don't pass old frame_pointer.
7336 (nonlocal_goto_receiver): Remove.
7337 (exception_receiver): New.
7338 (builtin_setjmp_setup): New.
7339 (builtin_setjmp_receiver): New.
7340 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7341 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7342 (__ia64_restore_stack_nonlocal): Likewise.
7343 (__ia64_trampoline): New.
7344 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7346 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7348 2000-08-08 Richard Henderson <rth@cygnus.com>
7350 * frame.h (ia64_frame_state): Add my_psp.
7351 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7352 (__throw): Pass it in. Don't clobber r7.
7353 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7354 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7355 and nothing to do with sp.
7356 (normalize_reg_loc): Use frame->my_psp.
7357 (frame_translate): Handle frame-pointer-less functions. Set
7358 spill_base correctly, in absence of being told.
7359 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7360 (__ia64_backtrace_helper): New sp argument. Use
7361 builtin_return_address instead of label addresses.
7362 (print_record) [mem_stack_v]: No size member.
7364 2000-08-08 Richard Henderson <rth@cygnus.com>
7366 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7368 2000-08-08 Richard Henderson <rth@cygnus.com>
7370 * tm.texi (LOCAL_REGNO): Document.
7371 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7372 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7373 * reload1.c (reload): Likewise when considering nonlocal labels.
7375 * config/ia64/ia64.h (LOCAL_REGNO): New.
7376 * config/sparc/sparc.h (LOCAL_REGNO): New.
7378 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7380 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7382 2000-08-07 Nick Clifton <nickc@redhat.com>
7384 * config/mips/mips.c: Fix compile time warning messages.
7385 * config/mips/mips-protos.h: Add prototype for equality_op.
7387 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7389 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7391 * mn10300.md: Use nonimmediate_operand instead of general_operand
7394 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7396 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7398 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7399 * sh.c (expand_block_move): Break long lines.
7400 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7401 * sh.md (mulsi3): Likewise.
7402 (movdi): Adjust spacing.
7404 2000-08-07 Richard Henderson <rth@cygnus.com>
7406 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7407 * expr.c (emit_group_store): Don't set it.
7409 2000-08-07 Kazu Hirata <kazu@hxi.com>
7411 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7412 duplicate entries for 'w' and 'z'.
7414 * flow.c: Fix a comment typo.
7416 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7418 * c-parse.in: Changed the language string for Objective-C to "GNU
7421 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7423 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7424 to improve the Posix thread support for Objective-C.
7426 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7428 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7429 CTI_UNSIGNED_PTRDIFF_TYPE.
7430 (signed_size_type_node): Define.
7431 (unsigned_ptrdiff_type_node): Define.
7432 * c-decl.c (init_decl_processing): Create the
7433 signed_size_type_node and unsigned_ptrdiff_type_node types.
7434 * c-common.c (T_SC): Define.
7437 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7438 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7440 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7441 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7442 flags for %c, %s and %[.
7443 (check_format_info): Only allow leniency for signedness of targets
7444 of character pointers (when pedantic) for formats flagged with
7445 "c", so for strings but not for %hh formats. When pedantic, don't
7446 allow character pointers to substitute for void pointers if a
7447 second level of indirection is present.
7449 2000-08-06 Kazu Hirata <kazu@hxi.com>
7451 * invoke.texi (Options for Debugging Your Program or GCC): Update
7452 the names of dump files.
7454 * h8300.c (dosize): Rearrange code for conciseness.
7455 (split_adds_subs): Likewise.
7457 * loop.c: Fix formatting.
7459 * dwarf2out.c: Fix formatting.
7461 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7463 * expr.c: Fix formatting.
7465 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7467 * rs6000.c (rs6000_maybe_dead): Prototype.
7469 2000-08-06 Richard Henderson <rth@cygnus.com>
7471 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7472 HAVE_nonlocal_goto as well.
7473 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7474 * config/pj/pj.md (nonlocal_goto): Likewise.
7476 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7478 * loop.c (try_swap_copy_prop): New function.
7479 (load_mems): Rename copies to load_copies and add new regset
7480 store_copies. Check for sets of shadow registers and mark
7481 in store_copies. Call try_swap_copy_prop for registers
7482 marked in store_copies.
7484 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7486 * objc/objc-act.c: New command line option -fconstant-string-class
7487 to allow specifying a user defined constant string class,
7488 different from NXConstantString.
7490 * toplev.c: Moved the Objective-C specific options to
7491 objc/lang-options.h.
7493 * objc/lang-options.h: Moved the Objective-C specific options from
7494 toplev.c. Added -fconstant-string-class.
7496 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7498 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7499 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7500 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7501 avoid extra alignment imposed on arrays.
7502 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7503 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7505 * mips.h: Clean up comments and spacing near MASKs.
7506 (TARGET_UNIX_ASM): Delete.
7507 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7508 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7511 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7513 * c-common.c (print_char_table): Add entries for the X/Open '
7514 format flag (print decimals with locale's thousands grouping
7515 character). Make %C expect wint_t.
7516 (check_format_info): If pedantic, warn when the %n$ operand
7517 number form is used. Allow for the ' flag; warn about it if
7520 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7522 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7523 type is a float mode, cfun->decl's return type is not, and
7524 TARGET_FLOAT_RETURNS_IN_80387.
7526 2000-08-04 Andreas Schwab <schwab@suse.de>
7528 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7529 token list, which are always `#' and `pragma'.
7531 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7533 * tree.c (tree_expr_nonnegative_p): Move to...
7534 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7535 (rtl_expr_nonnegative_p): New.
7536 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7538 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7539 CONST_DOUBLE_CHAIN: Move to...
7540 * rtl.h: ...here. Use XCINT/XCEXP.
7542 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7543 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7544 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7547 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7549 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7551 * config/c4x/c4x.md (return_indirect_internal): New.
7552 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7554 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7556 * c-common.c (time_char_table): Mark up formats added in C99 and
7557 make other corrections. %D and %g were added in C99. %Og is an
7558 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7559 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7560 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7561 %h was added in C99. %C was added in C99. %OY and %OC are
7562 extensions. Add the C99 format %F.
7563 (check_format_info): If pedantic and not in C99 mode, warn for C99
7566 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7568 * function.c (schedule_fixup_var_refs): New function, broken out
7569 of put_reg_into_stack.
7570 (put_reg_into_stack): Use it.
7571 (put_var_into_stack): In CONCAT case, fixup up references for
7572 components only after fixing up references to the whole concat.
7574 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7576 * alias.c (mark_constant_function): Use INSN_P.
7577 (init_alias_analysis): Likewise.
7578 * combine.c (combine_instructions): Use INSN_P.
7579 (can_combine_p): Likewise.
7580 (try_combine): Likewise.
7581 (distribute_notes): Likewise.
7582 (distribute_links): Likewise.
7583 * cse.c (cse_around_loop): Use INSN_P.
7584 (invalidate_skipped_block): Likewise.
7585 (cse_set_around_loop): Likewise.
7586 (cse_end_of_basic_block): Likewise.
7587 (delete_trivially_dead_insns): Likewise.
7588 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7589 (unshare_all_rtl_1): Likewise.
7590 (next_cc0_user): Likewise.
7591 (try_split make_insn_raw): Likewise.
7592 (remove_unnecessary_notes): Likewise.
7593 * final.c (shorten_branches): Use INSN_P.
7594 (leaf_renumber_regs): Likewise.
7595 (leaf_renumber_regs_insn): Likewise.
7596 * flow.c (find_label_refs): Use INSN_P.
7597 (verify_wide_reg): Likewise.
7598 (notice_stack_pointer_modification): Likewise.
7599 (count_or_remove_death_notes): Likewise.
7600 (verify_flow_info): Likewise.
7601 (clear_log_links): Likewise.
7602 * function.c (fixup_var_refs_insns): Use INSN_P.
7603 (compute_insns_for_mem): Likewise.
7604 * gcse.c (alloc_gcse_mem): Use INSN_P.
7605 (compute_sets): Likewise.
7606 (compute_hash_table): Likewise.
7607 (classic_gcse): Likewise.
7609 (insert_insn_end_bb): Likewise.
7610 (delete_null_pointer_checks_1): Likewise.
7611 * global.c (expand_preferences): Use INSN_P.
7612 (build_insn_chain): Likewise.
7613 * graph.c (node_data): Use INSN_P.
7614 * haifa-sched.c (priority): Use INSN_P.
7615 (rm_line_notes): Likewise.
7616 (rm_other_notes): Likewise.
7617 (find_insn_reg_weight): Likewise.
7618 (init_target_units): Likewise.
7619 (schedule_block): Likewise.
7620 (compute_block_forward_dependences): Likewise.
7621 (debug_dependencies): Likewise.
7622 (set_priorities): Likewise.
7623 * integrate.c (function_cannot_inline_p): Use INSN_P.
7624 (save_parm_insns): Likewise.
7625 (copy_insn_list): Likewise.
7626 * jump.c (mark_all_labels): Use INSN_P.
7627 (never_reached_warning): Likewise.
7628 * lcm.c (optimize_mode_switching): Use INSN_P.
7629 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7630 (memref_used_between_p): Likewise.
7631 (update_equiv_regs): Likewise.
7632 (block_alloc): Likewise.
7633 (no_conflict_p): Likewise.
7634 * loop.c (scan_loop): Use INSN_P.
7635 (find_and_verify_loops): Likewise.
7636 (count_loop_regs_set): Likewise.
7637 (loop_reg_used_before_p): Likewise.
7638 (strength_reduce): Likewise.
7639 (recombine_givs): Likewise.
7640 (check_dbra_loop): Likewise.
7641 (load_mems): Likewise.
7642 (try_copy_prop): Likewise.
7643 * print-rtl.c (print_rtx): Use INSN_P.
7644 * recog.c (find_single_use): Use INSN_P.
7645 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7646 (next_flags_user): Likewise.
7647 (swap_rtx_condition): Likewise.
7648 * regmove.c (mark_flags_life_zones): Use INSN_P.
7649 (optimize_reg_copy_1): Likewise.
7650 (optimize_reg_copy_2): Likewise.
7651 (optimize_reg_copy_3): Likewise.
7652 (reg_is_remote_constant_p): Likewise.
7653 (fixup_match_2): Likewise.
7654 (regmove_optimize): Likewise.
7655 (fixup_match_1): Likewise.
7656 * regrename.c (build_def_use): Use INSN_P.
7657 (replace_reg_in_block): Likewise.
7658 (consider_use): Likewise.
7659 * reload.c (find_equiv_reg): Use INSN_P.
7660 * reload1.c (reload): Use INSN_P.
7661 (maybe_fix_stack_asms): Likewise.
7662 (calculate_needs_all_insns): Likewise.
7663 (reload_as_needed): Likewise.
7664 (emit_output_reload_insns): Likewise.
7665 (delete_address_reloads_1): Likewise.
7666 (reload_cse_regs_1): Likewise.
7667 (reload_combine): Likewise.
7668 (reload_cse_move2add): Likewise.
7669 * reorg.c (redundant_insn): Use INSN_P.
7670 (dbr_schedule): Likewise.
7671 * resource.c (find_dead_or_set_registers): Use INSN_P.
7672 (mark_target_live_regs): Likewise.
7673 * rtlanal.c (reg_used_between_p): Use INSN_P.
7674 (reg_referenced_between_p): Likewise.
7675 (reg_set_between_p): Likewise.
7676 (reg_set_p): Likewise.
7677 (single_set): Likewise.
7678 (multiple_sets): Likewise.
7679 (find_last_value): Likewise.
7680 (reg_set_last): Likewise.
7681 (find_reg_note): Likewise.
7682 (find_regno_note): Likewise.
7683 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7684 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7685 * ssa.c (find_evaluations): Use INSN_P.
7686 (rename_block): Likewise.
7687 (rename_equivalent_regs): Likewise.
7688 * unroll.c (loop_find_equiv_value): Use INSN_P.
7689 (set_dominates_use): Likewise.
7690 * varasm.c (mark_constant_pool): Use INSN_P.
7691 (mark_constants): Likewise.
7692 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7693 (alphaev4_next_group): Likewise.
7694 (alphaev5_next_group): Likewise.
7695 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7696 (c4x_rptb_rpts_p): Likewise.
7697 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7698 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7699 (rs6000_adjust_priority): Likewise.
7700 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7701 (machine_dependent_reorg): Likewise.
7702 (split_branches): Likewise.
7703 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7705 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7707 * combine.c (recog_for_combine): Remove the old notes
7708 prior to attempting to recognize the new pattern.
7709 (distribute_notes): Ignore REG_NONNEG notes.
7711 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7713 * varasm.c (output_constructor): Add .align 0 for packed vars.
7715 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7717 * configure.in: Use default thread_file even when enable_threads is
7718 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7719 * configure: Rebuilt.
7721 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7723 2000-08-04 Donn Terry (donnte@microsoft.com)
7725 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7727 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7729 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7730 Delete code that conditionally modifies 'version'.
7731 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7732 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7733 * gcc.c (main): Use it.
7734 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7735 * prefix.c (update_path): Use it.
7736 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7737 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7738 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7740 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7741 (SUBTARGET_SWITCHES): Adjust.
7742 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7744 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7746 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7748 * c-common.h (flag_isoc94): Declare.
7749 * c-decl.c (flag_isoc94): Define.
7750 (c_decode_option): Set flag_isoc94 as appropriate.
7751 * c-common.c (T_PD, T_IM, T_UIM): Define.
7752 (format_char_info): Add tlen and jlen.
7753 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7755 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7757 (time_char_table): Add NULL entries for %t and %j.
7758 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7759 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7760 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7761 precision. Allow precision argument to be unsigned int. If
7762 pedantic, warn for %p passed an argument not a pointer to possibly
7763 qualified void or a possibly qualified character type, and for
7764 pointer targets of the wrong sign, except for character pointers.
7766 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7768 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7769 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7770 (wint_type_node): Define.
7771 * c-decl.c (WINT_TYPE): Define.
7772 (init_decl_processing): Create the wint_type_node type.
7773 * c-common.c (T_WI): Define.
7774 (print_char_table): Use T_WI for %lc format.
7776 2000-08-04 Bruce Korb <bkorb@gnu.org>
7778 * fixinc/: Verified that the MSDOS patch does not break
7779 the UNIX functionality and applied the next three patches
7782 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7784 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7785 output file with the temporary one by appending ".X" to generate
7786 the temporary fuile's name. If the output file already has an
7787 extension, replace it with ".X".
7789 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7790 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7791 reallocate the command buffer while copying the command-line
7792 argument. Redirect the output directly to the temporary file,
7793 instead of going through another temporary file.
7794 (process): Close the temporary file before unlinking it.
7795 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7796 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7797 (run_compiles): Pass p_fixd argument to machine_matches, as it
7800 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7801 environment, assume there are no symlinks in the include
7802 directory. When cleaning up the DONE files, look for them
7803 case-insensitively. Don't try to remove symlinks if they aren't
7806 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7807 all callers changed. Declare pz "const char *", to avoid compiler
7810 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7811 Change prototype of make_raw_shell_str.
7813 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7815 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7816 (initialize) [__MSDOS__]: Use tempnam.
7817 (initialize): Don't use SIGPIPE if it is not defined.
7819 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7822 2000-07-25 Bruce Korb <bkorb@gnu.org>
7824 * fixinc/fix*.[ch]: substantially reworked to make it possible
7825 to run this program without using fork(2) or pipe(2) (i.e. in
7828 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7830 * cppdefault.h (WINT_TYPE): Define.
7831 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7832 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7833 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7835 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7837 * (mips_legitimate_address_p): Don't allow register+offset
7838 if the offset is large and negative, and we are compiling
7839 for 64 bit registers.
7841 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7843 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7844 insn_code_number + 1.
7846 2000-08-04 Kazu Hirata <kazu@hxi.com>
7848 * h8300.c (function_prologue): Rearrange code for conciseness.
7849 (function_epilogue): Likewise.
7850 * h8300.h (OK_FOR_U): Fix formatting.
7852 * cse.c: Fix a comment typo. Fix formatting.
7854 2000-08-03 Richard Henderson <rth@cygnus.com>
7856 * config/i386/i386.md (return_indirect_internal): New.
7857 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7859 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7861 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7863 (lex_line): Glue @ onto the beginning of identifiers and
7864 string constants, in Objective-C mode.
7865 (output_token, spell_token): Handle CPP_OSTRING.
7866 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7867 beginning of a NAME or a STRING, in objc mode.
7869 * cpplib.c (get_define_node): Do not permit identifiers that
7870 begin with @ to be #defined.
7871 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7872 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7874 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7875 * c-tree.h (build_objc_string): Delete prototype.
7876 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7877 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7879 * c-parse.in, objc/objc-act.c: Update commentary.
7881 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7883 * extend.texi: Fix typo in last change.
7885 * extend.texi: Add commentary on statement-expressions and their
7886 interactions with C++.
7888 2000-08-03 Nick Clifton <nickc@cygnus.com>
7890 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7891 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7893 2000-08-03 Anthony Green <green@cygnus.com>
7895 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7896 (add_bound_info): Check for java language.
7897 (is_java): New function.
7898 * dwarfout.c (output_compile_unit_die): Ditto.
7899 * dwarf.h (dwarf_source_language): Add java source language type.
7900 * dwarf2.h (dwarf_source_language): Ditto.
7902 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7904 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7907 * i386.c (ix86_expand_branch): Mode of comparison in
7908 IF_THEN_ELSE is VOIDmode.
7910 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7912 * gengenrtl.c, rtl.c: Avoid #elif.
7914 2000-08-03 Michael Poole <poole@troilus.org>
7916 * tm.texi (Register Classes): Clarify order of sub-initializers
7917 in REG_CLASS_CONTENTS.
7919 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7921 From SAITOH Masanobu:
7922 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7924 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7926 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7927 is not supported by tradcpp and isn't actually needed for cygwin.
7929 2000-08-03 Kazu Hirata <kazu@hxi.com>
7931 * h8300.c: Fix a comment typo.
7932 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7934 * jump.c: Fix formatting.
7936 * toplev.c: Fix formatting.
7938 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7940 * flow.c (find_auto_inc): Verify that we've got a REG before
7941 peeking at its regno. Fail, don't abort if we can't find
7942 the increment of the desired register.
7944 * pa.md (shadd height reduction patterns/splitters): Remove.
7946 2000-08-02 Jim Wilson <wilson@cygnus.com>
7948 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7949 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7951 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7953 * dce.c: Remove all uses of assert.
7954 * dwarf2out.c: Likewise.
7955 * dwarfout.c: Likewise.
7958 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7960 * gcc.h (lang_specific_driver): Constify second argument.
7961 * gcc.c (translate_options, process_command, main): Likewise.
7962 Constify variables to match. Cast second argument to
7965 * cppspec.c, gccspec.c: Adjust type of second argument to
7966 lang_specific_driver, and update code as necessary.
7968 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7970 * loop.c (scan_loop): Ensure update_end label does not
7971 go away until reg_scan_update is run.
7973 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7975 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7976 * c-tree.h: ... not here.
7977 * errors.h: Prototype fancy_abort.
7979 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7980 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7981 * regrename.c (regrename_optimize): Make control flow explicit.
7982 (replace_reg_in_block): Initialize reg_use to 0.
7984 * i386.c (legitimate_address_p): Rename error label to
7985 report_error to avoid namespace clash.
7987 2000-08-02 Kazu Hirata <kazu@hxi.com>
7989 * fold-const.c: Fix formatting.
7991 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7993 * i386.c (legitimate_address_p): Accept other bases than
7994 pic_offset_table_rtx for GOTOFF constructs.
7996 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7998 * i386.md (shift to lea splitter): Use const_int_operand.
8000 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8002 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8003 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8006 * cppmain.c (cb_define, cb_undef): Don't generate any output
8007 if not done_initializing.
8008 * cpplex.c (maybe_paste_with_next): When the token after a ##
8009 is an omitted rest argument, only delete the token before it
8010 if that token is a comma. Do not warn about bogus token
8011 pastes for , ## rest_arg.
8014 * cpp.1: Regenerate.
8016 2000-08-02 Fred Fish <fnf@be.com>
8018 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8019 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8022 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8023 Be directories to search path.
8025 Remove support for __declspec(dllimport) and __declspec(dllexport).
8026 This is leftover cruft from the earlier BeOS gcc port when BeOS
8027 used Microsoft's PE object file format.
8028 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8029 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8030 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8031 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8032 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8033 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8034 (REDO_SECTION_INFO_P): Remove.
8035 (ASM_EXPORT_DECL): Remove.
8036 (ASM_DECLARE_FUNCTION_NAME): Remove.
8037 (ASM_DECLARE_OBJECT_NAME): Remove.
8038 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8039 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8040 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8041 (STRIP_NAME_ENCODING): Remove.
8043 Remove support for obsolete version of BeOS that is no longer
8045 * configure.in (i*86-*-beospe*): Remove.
8046 * config/i386/beos-pe.h: Remove.
8048 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8049 Mark Mitchell <mark@codesourcery.com>
8051 * Makefile.in (OBJS): Added dce.o.
8052 (ssa.o): Updated target to include ssa.h.
8054 (toplev.o): Likewise.
8055 (dce.o): Created target.
8056 * basic-block.h: Added comments.
8057 (INVALID_BLOCK): Added definition.
8058 (connect_infinite_loops_to_exit): Added declaration.
8059 Moved SSA declarations to ssa.h.
8060 * flow.c: Added inclusion of ssa.h.
8061 (struct depth_first_search_dsS, depth_first_search_ds):
8063 (compute_immediate_postdominators): Added definition.
8064 (connect_infinite_loops_to_exit): Likewise.
8065 (flow_dfs_compute_reverse_init): Likewise.
8066 (flow_dfs_compute_reverse_add_bb): Likewise.
8067 (flow_dfs_compute_reverse_execute): Likewise.
8068 (flow_dfs_compute_reverse_finish): Likewise.
8069 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8070 (LABEL_P): Added definition.
8073 (BARRIER_P): Likewise.
8074 (JUMP_TABLE_DATA_P): Likewise.
8075 (INSN_DEAD_CODE_P): Likewise.
8076 * ssa.c: Replaced inclusions with ssa.h inclusion.
8077 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8078 (rename_registers): Removed unnecessary variables.
8079 * ssa.h: Created by moving declarations from ssa.c and
8081 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8082 * toplev.c: Added ssa.h inclusion.
8083 (dump_file_index): Added DFI_dce.
8084 (dump_file): Added "dce" entry.
8086 (f_options): Added dce entry.
8087 * invoke.texi: Document -fdce. Emphasize experimental status of
8091 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8093 * cpperror.c (v_message): Split into _cpp_begin_message and
8094 v_message macro. All callers updated.
8095 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8098 * cppfiles.c (cpp_syshdr_flags): New function.
8099 (read_include_file): Don't call cpp_output_tokens. Call
8101 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8102 (cpp_reader_init): Don't initialize token_buffer. Call
8103 _cpp_init_internal_pragmas.
8104 (cpp_cleanup): Don't clear token_buffer.
8105 (cpp_start_read): Don't worry about output from -D processing.
8106 Don't call cpp_output_tokens.
8107 (cpp_finish): Don't dump macros here. Don't call
8109 * cppmacro.c (_cpp_dump_definition): Rename
8110 cpp_dump_definition. Write directly to a FILE *.
8111 (dump_funlike_macro): Delete.
8112 (dump_macro_args): New.
8114 * cpplex.c (TOKEN_LEN): Convert to inline function.
8115 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8116 cpp_scan_line, _cpp_dump_list): Delete.
8117 (cpp_printf, cpp_output_list): New.
8118 (output_line_command): Don't worry about entering or leaving files.
8119 (cpp_scan_buffer): Just output each token as we hit it.
8120 (process_directive): Don't call cpp_output_tokens.
8121 (_cpp_glue_header_name): Don't use token_buffer.
8122 (output_token, dump_param_spelling): Write directly to a FILE *.
8124 * cpplib.c (pass_thru_directive, dump_macro_name,
8125 pragma_dispatch, do_pragma_gcc): Delete.
8126 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8127 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8129 (do_error, do_warning, pragma_dependency): Call
8130 _cpp_begin_message, then cpp_output_list.
8131 (cpp_register_pragma, cpp_register_pragma_space,
8132 _cpp_init_internal_pragmas): New.
8133 (do_pragma): Walk the pragmas table here.
8134 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8135 do_pragma_dependency): Return void.
8136 (do_pragma_implementation): Moved to cppmain.c.
8138 * cpplib.h: Update prototypes.
8139 (struct cpp_reader): Remove printer, token_buffer,
8140 token_buffer_size, and limit. Add struct cb, and pragmas.
8141 (struct cpp_printer): Remove last_id and written.
8142 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8143 CPP_ADJUST_WRITTEN): Delete.
8144 * cpphash.h: Update prototypes.
8145 (ufputs): New wrapper.
8147 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8148 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8149 (main): Set up callbacks. Register #pragma implementation.
8150 Dump macros from here.
8152 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8154 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8155 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8156 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8157 insns if they have a REG_MAYBE_DEAD note attached.
8158 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8159 (rs6000_emit_load_toc_table): TOC loads may go dead.
8161 2000-08-01 Jim Wilson <wilson@cygnus.com>
8163 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8164 type exists before using it. Use number of words as alignment
8166 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8167 ia64_va_arg): Propagate ia64_function_args changes here.
8169 2000-08-01 Richard Henderson <rth@cygnus.com>
8171 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8172 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8174 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8176 From Joern Rennecke:
8177 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8178 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8179 unless TARGET_SH3E is set.
8180 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8182 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8183 (ashlsi3_std): New pattern.
8184 (ashlsi3 expander): Use it for TARGET_SH3.
8185 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8187 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8189 * loop.c (canonicalize_condition): Use destination, not source to
8190 determine SET's mode.
8192 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8194 * flow.c (clear_log_links): Fix typo.
8196 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8198 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8199 on targets which need more than one insn for a compare/cbranch
8202 2000-07-31 Jim Wilson <wilson@cygnus.com>
8204 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8205 when computing offset.
8207 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8209 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8211 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8213 * flow.c (clear_log_links): Nuke global_live_at_start and
8214 global_live_at_end data, since if the log_links stuff is invalid
8215 so is global_live_at_*.
8217 2000-07-31 Richard Henderson <rth@cygnus.com>
8219 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8221 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8223 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8224 (_cpp_get_token): Don't macro expand a just pasted token if it
8225 was pasted at no_expand_level.
8227 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8229 * cppmacro.c (find_param, count_params, save_expansion):
8230 Permit 'defined' as a macro parameter name.
8232 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8234 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8235 xcpp to cpp throughout.
8236 (native): Remove unnecessary dependency on cpp.
8238 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8239 tradcpp to tradcpp0.
8240 (.i spec): Add missing output-file spec to cc1 command line.
8241 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8243 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8245 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8246 (implicit_decl_warning): New function.
8247 (implicitly_declare): Use it.
8248 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8249 to complain about implicit decls of builtins.
8251 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8252 based on pedantic && flag_isoc99, if not already set.
8253 * c-tree.h: Declare mesg_implicit_function_declaration.
8254 Prototype implicit_decl_warning.
8256 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8258 * Makefile.in (ssa.o): Updated header files in dependences.
8259 * basic-block.h: Added compute_immediate_postdominators declaration.
8260 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8262 * flow.c (compute_immediate_dominators): Updated comment.
8263 (compute_immediate_postdominators): Added definition.
8264 * rtl.h (HARD_REGISTER_P): Added definition.
8265 * ssa.c: Include additional header files.
8266 (assert): Added definition.
8267 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8268 include select hard registers.
8269 (ssa_rename_to_insert): Likewise.
8270 (ssa_rename_from_initialize): Likewise.
8271 (ssa_rename_from_lookup): Likewise.
8272 (original_register): Likewise.
8273 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8274 include select hard reigsters.
8275 (ssa_rename_from_traverse): Likewise.
8276 (ssa_rename_from_free): Likewise.
8277 (ssa_rename_from_print): Likewise.
8278 (ssa_rename_from_print_1): Likewise.
8279 (ssa_rename_from_hash_function): Likewise.
8280 (ssa_rename_from_equal): Likewise.
8281 (ssa_rename_from_delete): Likewise.
8282 (simplify_to_immediate_dominators): Removed in favor of
8283 flow.c:compute_immediate_dominators.
8284 (find_evaluations_1): Modified to work with hard registers.
8285 (insert_phi_node): Likewise.
8286 (insert_phi_nodes): Likewise.
8287 (struct rename_set_data): Updated prev_reg comment.
8288 (create_delayed_rename): Modified to work with hard registers.
8289 (RENAME_NO_RTX): Updated comment.
8290 (apply_delayed_renames): Modified to work with hard registers.
8291 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8292 (rename_block): Updated to use revised ssa_rename_to interface.
8293 (rename_registers): Updated to use revised ssa_rename_to and
8294 ssa_rename_from interface.
8295 (convert_to_ssa): Revised to use compute_immediate_dominators and
8296 deal with hard registers.
8297 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8298 registers. Added check for illegal unification of hard register.
8299 (make_equivalent_phi_alternatives_equivalent): Modified to work
8300 with hard registers.
8301 (compute_conservative_reg_partition): Likewise.
8302 (coalesce_if_unconflicting): Modified to work with hard registers
8303 and check for conflicting hard registers.
8304 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8306 (rename_equivalent_regs_in_insn): Modified to work with hard
8308 (record_canonical_element_1): Added definition.
8309 (check_hard_regs_in_partition): Added definition.
8310 (convert_from_ssa): Added data structure deallocation and check
8311 for illegal hard register unification.
8312 (conflict_hard_regs_p): Added definition.
8313 * toplev.c (rest_of_compilation): Added comment.
8315 2000-07-31 Anthony Green <green@redhat.com>
8317 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8319 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8321 * builtins.c (expand_builtin_apply): Don't defer pop during
8324 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8326 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8327 preferred_unit_stack_boundary when it is > 1.
8329 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8331 * c-common.c (init_function_format_info): Add C99 format functions
8334 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8335 void' or 'register void' as being the special case of 'void' alone
8336 in a parameter list.
8338 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8339 discarding qualifiers into a plain warning.
8341 2000-07-31 Kazu Hirata <kazu@hxi.com>
8343 * combine.c: Fix formatting.
8345 * h8300.md: Fix formatting.
8347 * local-alloc.c: Fix formatting.
8349 * h8300.c (get_shift_alg): Remove the variable alg.
8350 (emit_a_shift): Rearrange code to improve readability.
8352 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8354 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8355 HImode on all architectures and a combination of HImode and SImode
8356 on H8/300H and H8/S.
8358 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8360 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8362 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8365 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8367 * recog.c (extract_insn): Set operand_mode according to
8368 operand if match_operand is VOIDmode.
8370 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8372 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8374 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8376 * c-parse.in (extdefs): Call ggc_collect between external
8379 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8380 Richard Henderson <rth@cygnus.com>
8382 * Makefile.in (OBJS): Add doloop.o.
8383 * doloop.c: New file.
8385 * final.c (insn_current_reference_address): Return 0 before final.
8386 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8387 * jump.c (any_uncondjump_p): Likewise.
8388 * loop.c (indirect_jump_in_function): Make static.
8389 (strength_reduce): Call doloop_optimize.
8390 (insert_bct, instrument_loop_bct): Remove.
8391 * loop.h (doloop_optimize): Prototype.
8392 * recog.c (split_all_insns): Split all INSN_P.
8393 * toplev.c (flag_branch_on_count_reg): Default on.
8395 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8396 flag_branch_on_count_reg.
8397 * config/i386/i386.c (override_options): Likewise.
8398 * config/rs6000/rs6000.c (optimization_options): Likewise.
8400 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8402 (dbra_ge): Remove, as well as all it's splitters.
8404 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8407 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8408 (ia64_register_move_cost): Declare.
8409 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8410 (struct ia64_frame_info): Add ar_size.
8411 (ia64_compute_frame_size): Set it.
8412 (save_restore_insns): Save and restore ar.lc.
8413 (ia64_register_move_cost): New, moved from header file. Handle
8414 application registers.
8415 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8416 (emit_insn_group_barriers): Special case doloop_end_internal.
8417 (ia64_epilogue_uses): Mark ar.lc live at end.
8418 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8419 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8420 (FIRST_PSEUDO_REGISTER): Make room.
8421 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8422 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8423 (REG_ALLOC_ORDER): Update.
8424 (HARD_REGNO_MODE_OK): Update.
8425 (REGISTER_NAMES): Update.
8426 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8427 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8428 (REGNO_REG_CLASS): Update.
8429 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8430 (REGISTER_MOVE_COST): Move out of line.
8431 (PREDICATE_CODES): Update.
8432 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8433 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8434 (shladd_elim splitter): Allow constants in the predicate.
8435 (doloop_end, doloop_end_internal): New.
8437 2000-07-30 Richard Henderson <rth@cygnus.com>
8439 * genattrtab.c (struct insn_def): Add lineno member.
8440 (struct insn_ent): Likewise.
8441 (struct attr_desc): Likewise.
8442 (struct delay_desc): Likewise.
8443 (struct function_unit_op): Likewise.
8444 (struct function_unit): Likewise.
8445 (check_attr_value): Use message_with_line.
8446 (check_defs): Likewise.
8447 (expand_units): Likewise.
8448 (check_attr_test): Take a lineno argument.
8449 (gen_attr): Likewise.
8450 (gen_insn): Likewise.
8451 (gen_delay): Likewise.
8452 (gen_unit): Likewise.
8453 (main): Give it to them.
8454 (convert_set_attr_alternative): Take an insn_def argument
8455 instead of num_alt and insn_index.
8456 (convert_set_attr): Likewise.
8457 (write_test_expr): Protect INSN_ADDRESSES load
8458 with INSN_ADDRESSES_SET_P.
8460 2000-07-30 Richard Henderson <rth@cygnus.com>
8462 * flow.c (init_propagate_block_info): Use pc_set.
8464 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8466 * i386.md (*lea_general_[123]) New insns and splits.
8467 (addsi3 to lea splitter): Handle other modes too.
8468 (shlsi3 to lea splitter): Likewise.
8469 (addhi_1_lea, shlhi_1_lea): New patterns.
8470 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8472 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8474 * recog.c (general_operand, nonimmediate_operand): Accept
8475 any mode for VOIDmode CONSTANT_P operands.
8477 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8479 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8480 instead of replace_rtx.
8481 * recog.c (validate_replace_rtx_subexp): New function.
8482 * recog.h (validate_replace_rtx_subexp): Declare.
8484 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8486 * combine.c (simplify_set, make_extraction, make_compound_operation
8487 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8488 as force_to_mode argument.
8490 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8492 * combine.c (if_then_else_cond): Be sure that mode fits in
8495 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8497 * combine.c (record_promoted_value): Allow bitsize of mode
8498 to be equivalent to HOST_BITS_PER_WISE_INT.
8500 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8502 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8503 Do not call gen_mode_alignment when mode is BLKmode.
8505 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8507 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8509 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8511 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8512 VOIDmode implies both operands to be VOIDmode.
8513 (simplify_ternary_operation): Compute properly the mode of comparison.
8514 * combine.c (combine_simplify_rtx): Likewise.
8516 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8518 * basic-block.h (struct loops): New field rc_order.
8519 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8520 (flow_loops_free): Free rc_order.
8521 (flow_depth_first_order_compute): New parameter rc_order.
8522 (flow_loops_find): Allocate rc_order and swap usage with
8525 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8526 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8528 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8529 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8530 (nodb_call, return_from_epilogue): Likewise.
8531 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8532 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8533 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8534 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8535 (c4x_valid_type_attribute_p): Likewise.
8536 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8537 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8539 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8541 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8542 and loadhi_big_constant if applicable.
8543 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8544 and add new splitter.s
8546 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8548 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8550 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8552 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8554 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8556 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8558 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8560 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8562 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8564 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8565 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8566 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8567 (get_prev_bb_note): Likewise.
8568 (remove_scope_notes): Likewise.
8569 * flow.c (commit_one_edge_insertion): Likewise.
8570 (merge_blocks_nomove): Likewise.
8571 (verify_flow_info): Likewise.
8572 * gcse.c (insert_insn_end_bb): Likewise.
8573 * reg-stack.c (emit_swap_insn): Likewise.
8574 * ssa.c (first_insn_after_basic_block_note): New function.
8575 (insert_phi_node): Use it.
8576 (rename_block): Likewise.
8577 (eliminate_phi): Likewise.
8578 (make_regs_equivalent_over_bad_edges): Likewise.
8579 (make_equivalent_phi_alternatives_equivalent): Likewise.
8580 (for_each_successor_phi): Likewise.
8581 (convert_from_ssa): Modify phi-node deletion algorithm.
8583 2000-07-29 Andreas Jaeger <aj@suse.de>
8585 * configure.in (mips*-*-linux*): Use mips*el to check for little
8586 endian MIPS, add tmake_file.
8588 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8589 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8590 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8592 2000-07-28 Richard Henderson <rth@cygnus.com>
8594 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8595 Sign extend mode size before negating.
8597 2000-07-28 Richard Henderson <rth@cygnus.com>
8599 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8601 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8603 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8604 (cse_insn): Likewise.
8605 (addr_affects_sp_p): Likewise.
8606 * expr.c (move_by_pieces): Likewise.
8607 (clear_by_pieces): Likewise.
8608 * gcse.c (oprs_unchanged_p): Likewise.
8609 * haifa-sched.c (sched_analyze_2): Likewise.
8610 * recog.c (offsettable_address_p): Likewise.
8611 * regclass.c (record_address_regs): Likewise.
8612 * reload.c (find_reusable_reload): Likewise.
8613 (push_reload): Likewise.
8614 (operands_match_p): Likewise.
8615 (decompose): Likewise.
8616 (find_reloads_address_1): Likewise.
8617 (find_inc_amount): Likewise.
8618 * reload1.c (elimination_effects): Likewise.
8619 * resource.c (mark_set_resources): Likewise.
8620 * flow.c (attempt_auto_inc): New function; mostly broken out
8622 (find_auto_inc): Split into two functions and enhanced to
8623 generate POST_MODIFY.
8624 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8625 * rtl.h (count_all_occurrences): Declare.
8626 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8628 * rtlanal.c (count_all_occurrences): New function.
8629 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8630 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8632 * config/ia64/ia64-protos.h (destination_operand): Declare.
8633 * config/ia64/ia64.c (destination_operand): New function.
8634 (ia64_print_operand): Handle POST_MODIFY.
8635 (rtx_needs_barrier): Likewise.
8636 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8637 (HAVE_POST_MODIFY_REG): Define to 1.
8638 (MAX_REGS_PER_ADDRESS): Change to 2.
8639 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8640 (LEGITIMATE_ADDRESS_REG): New helper macro.
8641 (LEGITIMATE_ADDRESS_DISP): Likewise.
8642 (PREDICATE_CODES): Add entry for destination_operand.
8643 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8644 predicate for operand 0.
8646 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8648 * dwarf2out.c: Indent #error directive.
8650 * gbl-ctors.h: Fix typo in comment.
8651 (__do_global_ctors): Prototype.
8653 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8655 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8656 (print_operand): Initialize variable `t'.
8658 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8660 * config/arm/arm.md ("call_value"): removed constraints.
8661 Constraints are ignored in expanders.
8662 (*call_value_reg): split =rf into various constraints.
8663 (*call_value_mem): same
8664 (*call_value_symbol): same
8665 (*sibcall_value_insn): same
8667 2000-07-28 Philipp Thomas <pthomas@suse.de>
8669 * install.texi (--enable-nls): Change the description of the NLS
8670 related configure options to match the current state.
8671 (--with-included-gettext): Likewise.
8672 (--enable-maintainer-mode): New description added.
8673 * extend.texi (-fstrict-prototype): Add missing '.'.
8675 2000-07-27 Jim Wilson <wilson@cygnus.com>
8677 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8678 DECL_INITIAL (decl) == NULL_TREE.
8680 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8682 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8683 on insn-attr.h with it.
8684 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8685 * insn-addr.h: New header.
8686 (insn_addresses_): Renamed from insn_addresses.
8687 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8688 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8689 INSN_ADDRESSES_NEW): New macros.
8690 * genattrtab.c (write_test_expr): Use new macros.
8691 * final.c (insn_addresses, init_insn_lengths): Likewise.
8692 (align_fuzz, shorten_branches): Likewise.
8693 (final): Likewise. Do not reject new insns if their addresses
8694 have been added to INSN_ADDRESSES.
8695 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8696 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8697 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8698 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8699 * config/sh/sh.c: Likewise.
8700 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8702 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8704 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8706 * gcc.c (struct prefix_list): Add member priority.
8707 (enum path_prefix_priority): Declare.
8708 (add_prefix): Replace ``first'' with ``priority''. Append new
8709 entry but keep list in priority order.
8710 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8711 PREFIX_PRIORITY_LAST to add_prefix.
8712 (process_command): Move include kludge - foo/stageN - to before
8715 2000-07-27 Jason Merrill <jason@redhat.com>
8717 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8718 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8720 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8722 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8723 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8725 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8727 * c-decl.c (finish_function): Don't treat 'main' specially unless
8728 flag_hosted. In C99 mode, return 0 from 'main' unless
8729 DEFAULT_MAIN_RETURN is otherwise defined.
8731 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8732 parameters defaulting to int in an old-style function definition.
8734 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8736 * c-parse.in (string): For -Wtraditional, warn about string
8737 concatenation only once per line.
8739 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8741 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8742 for HI-UX/WE2 systems.
8744 2000-07-24 Bruce Korb <bkorb@gnu.org>
8746 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8747 defining the __xxx_TYPE__ macros.
8748 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8749 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8750 * fixincl/inclhack.def(type_map): now obsolete
8752 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8754 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8756 2000-07-26 Dave Pitts <dpitts@cozx.com>
8758 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8760 (mvs_hash_alias): New function.
8761 (mvs_add_alias): Change argument spacing.
8762 (mvs_need_alias): Change aliasing criteria. Added documentation.
8763 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8764 CSECT name collisions.
8765 (mvs_check_alias): Likewise.
8766 (handle_pragma): Change documentation.
8767 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8768 mode from SImode to DImode.
8769 (iorhi3): Changed LTORG size for insn.
8771 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8773 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8774 mem if the address is a mode_dependent_address_p.
8776 2000-07-26 Kazu Hirata <kazu@hxi.com>
8778 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8779 suitable for 8-bit absolute.
8780 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8781 (OK_FOR_U): Add a case for the 8-bit constant address on the
8784 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8786 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8787 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8788 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8789 lack of implemented alignment.
8791 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8793 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8794 cross-compiling between 64-bit and 32-bit machines.
8796 2000-07-27 Richard Henderson <rth@cygnus.com>
8798 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8799 (movhicc_astep, movhi_internal_astep): New.
8800 (movsicc_astep, movsi_internal_astep): New.
8801 (movdicc_astep, movdi_internal_astep): New.
8802 (movsfcc_astep, movsf_internal_astep): New.
8803 (movdfcc_astep, movdf_internal_astep): New.
8804 (movxfcc_astep, movxf_internal_astep): New.
8805 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8806 Unify the cmov[ds]i splitters.
8808 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8810 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8812 2000-07-26 Nick Clifton <nickc@cygnus.com>
8814 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8815 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8817 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8818 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8820 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8822 * c-decl.c (finish_enum): Convert enumerations that fit in an
8824 (build_enumerator): In pedantic mode, cast to `int' those that
8827 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8829 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8831 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8833 * sh.md (cmpgtdi_t): Must be split.
8834 (cmpgtdi_t+1): New splitter.
8836 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8838 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8839 warnings for indented directives even if we are skipping.
8841 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8843 * invoke.texi (strict-prototypes): Remove.
8844 * extend.texi (Deprecated Features): Add strict-prototypes.
8845 (Backwards Compatibility): New node.
8847 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8849 * config/i386/i386.md (andsi_1+1): Allow HImode.
8850 (andsi_1+2): Require q_regs_operand.
8852 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8854 * config/i386/i386.md (call_pop): Check operands[0],
8855 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8857 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8858 (call_value): Likewise.
8860 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8862 * toplev.c (pipe_closed): Delete.
8863 (crash_signal): New. Generate ICE for a fatal signal.
8864 (float_signal): Call crash_signal outside a float-handler
8866 (main): Install crash_signal as handler for core-dumping signals.
8868 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8870 * rs6000.c (print_operand, case 'T'): New case.
8872 * rs6000.md (call_indirect_aix32): Convert to expander of
8873 scheduled instructions.
8874 (call_indirect_aix64): Likewise.
8875 (call_value_indirect_aix{32,64}): Likewise.
8876 (call, call_value): Invoke expanders for AIX. Fall through to
8878 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8879 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8880 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8881 only "g" constraint.
8882 (call_nonlocal_aix64): Likewise.
8883 (call_value_nonlocal_aix{32,64}): Likewise.
8884 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8886 (call_value_nonlocal_sysv): New pattern.
8887 (indirect_jump{si,di}): Use new 'T' modifier.
8888 (tablejump{si,di} matchers): Likewise.
8889 (return_internal_{si,di}): Likewise.
8890 (return_eh_{si,di}): Likewise.
8892 2000-07-24 Richard Henderson <rth@cygnus.com>
8894 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8895 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8896 * config/ia64/ia64.md (movdi_internal): Use it.
8898 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8900 * cppexp.c: Warn about unary + if -Wtraditional.
8901 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8903 2000-07-24 Michael Meissner <meissner@redhat.com>
8905 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8908 2000-07-24 Nick Clifton <nickc@cygnus.com>
8910 * config/arm/arm.c (emit_multi_reg_push): Generate a
8911 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8912 dwarf2out_debug_frame_expr.
8914 2000-07-24 Jason Merrill <jason@redhat.com>
8916 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8917 UNALIGNED_INT_ASM_OP.
8918 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8919 a location expression.
8920 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8921 assume indirect access if we're saving the CFA address exactly.
8923 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8925 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8927 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8930 2000-07-24 Michael Meissner <meissner@redhat.com>
8932 * invoke.texi (D30V Options): Add d30v options.
8934 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8936 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8937 needed by our gcse pass anymore.
8938 (free_pre_mem): Corresponding changes.
8939 (compute_pre_data): Do not call compute_transpout anymore.
8941 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8942 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8945 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8946 (compute_pre_data): Do it here instead.
8948 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8950 (pre_delete): Corresponding changes.
8952 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8954 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8955 to figure out whether or not a variable has already been emitted.
8957 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8959 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8960 instead of gen_call.
8962 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8964 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8966 2000-07-23 Kazu Hirata <kazu@hxi.com>
8968 * h8300.c: Fix formatting.
8970 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8972 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8973 for `long' switch expression into a plain warning.
8975 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8976 (yylex): Don't pedwarn for "inline" in C99 mode.
8978 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8980 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8981 ggc_alloc): Likewise.
8982 * bb-reorder.c (dump_scope_forest_1): Likewise.
8984 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8986 * reload.c (find_reloads_toplev): Add new parameter
8988 (find_reloads): Add new parameter to find_reloads_toplev calls.
8990 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8992 * collect2.c (main): Typo fixed.
8993 * diagnostic.c: Typo fixed.
8994 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8995 * eh-common.h: Typo fixed.
8996 * emit-rtl.c (start_sequence): Typo fixed.
8997 * flow.c (find_label_refs): Typo fixed.
8998 (calculate_global_regs_live): Typo fixed.
8999 (mark_regno_cond_dead): Typo fixed.
9000 (create_edge_list): Typos fixed.
9001 (verify_edge_list): Typo fixed.
9002 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9003 * loop.c (strength_reduce): Typo in function name fixed.
9004 * rtl.h: Added comments. Typo in function name fixed.
9005 * rtlanal.c: Typo in function name fixed.
9006 (insn_dependant_p): Rename to ...
9007 (insn_dependent_p): ... this.
9008 (computed_jumo_p): Typo fixed.
9010 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9012 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9014 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9016 * rs6000.h (SIZE_TYPE): Define.
9018 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9020 * ssa.c (rename_insn_1): Don't rename registers that are
9023 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9025 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9027 (fatal_function, set_fatal_function): Removed.
9028 (fatal): Don't prepare for or call the fatal_function.
9029 (diagnostic_lock, error_recursion): New.
9030 (diagnostic_for_decl, report_diagnostic): Guard against
9031 re-entering the error reporting routines.
9032 (fancy_abort): Assume function is not NULL.
9034 * errors.c (fancy_abort): New. Assume function is not NULL.
9035 * tradcpp.c (fancy_abort): Assume function is not NULL.
9037 * system.h: Provide default definition of __FUNCTION__.
9038 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9039 Always use __FUNCTION__ in definition of abort.
9041 * varray.h: Likewise.
9042 * toplev.h: Likewise. Don't prototype set_fatal_function.
9044 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9046 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9048 * glimits.h: Don't do #if defined for ARCH_PPC.
9050 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9051 constants of size no larger than a pointer should go in the TOC.
9052 Add 'MODE' parameter.
9053 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9054 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9055 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9056 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9057 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9058 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9059 (rs6000_legitimize_address): Likewise.
9060 (rs6000_emit_move): Likewise.
9061 (rs6000_select_rtx_section): Likewise.
9062 (output_toc): Deal properly with outputting small constants like
9063 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9064 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9065 MODE parameter. Put small constants in the TOC.
9067 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9069 (rs6000_emit_move): When reload calls us with an illegitimate
9070 address, exit early. Move the change_address calls to one place
9071 at the end of the routine. Merge the SImode and DImode expanders.
9072 When called by reload to put an integer into a FP register, force
9075 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9077 (rs6000_hash_constant): Hash mode too.
9078 (toc_hash_function): Allow for key_mode.
9079 (toc_hash_eq): Structures are different if key_mode differs.
9080 (output_toc): Add 'mode' parameter. Save key_mode.
9081 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9082 Pass 'mode' parameter.
9083 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9085 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9086 for vtable references.
9088 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9089 choice, don't put integer values in FP regs.
9091 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9093 * flow.c (verify_flow_info): Revamp code to verify that the
9094 head and end of each basic block are in the insn chain.
9096 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9098 * gcse.c (record_one_set): Prepend instead of append onto
9099 reg_set_table, making it O(n) instead O(n^2).
9100 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9101 Use a queue instead of a stack as worklist.
9103 2000-07-20 Kazu Hirata <kazu@hxi.com>
9105 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9106 * h8300.h (OK_FOR_T): New.
9107 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9108 * h8300.md: Use inc/dec.[wl] for increment/decrement
9109 by 1 and 2 in HI and SI modes.
9111 2000-07-20 Jim Wilson <wilson@cygnus.com>
9113 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9114 larger than 14 bits.
9116 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9118 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9119 (count_params): Don't set GNU_REST_ARGS on anything.
9120 (save_expansion): Set PASTE_LEFT only on tokens for which
9121 CAN_PASTE_AFTER is true, or which are named operators.
9123 * cpplex.c (parse_args): Distinguish between a rest argument
9124 given one empty argument, and a rest argument given zero arguments.
9125 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9126 deletion of previous token based on that.
9127 (get_raw_token): Flatten some control structure.
9129 * cpplib.h (CPP_LAST_EQ): Correct.
9130 (VOID_REST): New token flag.
9131 (GNU_REST_ARGS): Delete.
9133 * tradcpp.c (main): Don't munge -D options.
9134 (make_definition): Bring -D handling in line with cpplib.
9135 (do_define): Strip all leading whitespace from macro definitions.
9137 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9139 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9141 2000-07-20 Bruce Korb <bkorb@gnu.org>
9143 * fixincl/check.tpl: strip the platform specific types before testing
9144 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9145 * fixincl/fixincl.tpl: use platform specific types
9146 * fixincl/fixlib.h: include the platform specific types
9147 * fixincl/inclhack.def(gnu_types): don't supply the types
9148 * fixincl/fixincl.x: regen
9150 2000-07-19 Jim Wilson <wilson@cygnus.com>
9152 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9155 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9157 * tradcpp.c (rescan): Do not recognize directives when the #
9160 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9162 Implement C++ named operators.
9164 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9165 of operators allowed in #if and having an _EQ variant. Add
9166 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9167 (cpp_token flags): Add NAMED_OP.
9168 (enum node_type): Add T_OPERATOR.
9169 (struct cpp_hashnode): Add code slot to value union.
9170 * cpphash.h (spec_nodes): Remove n_defined.
9172 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9173 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9174 (is_macro_disabled): Tweak error messages.
9176 * cpplib.c (get_define_node): Disallow all named operators as
9177 macro names. Tweak error messages.
9178 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9180 * cppinit.c (builtin_array): Add entries for the named operators.
9181 * cppexp.c (lex): Check for CPP_DEFINED token.
9182 (priority table): Add entries for CPP_MIN and CPP_MAX.
9183 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9185 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9187 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9188 larger than the array of cuids.
9189 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9192 2000-07-19 Bruce Korb <bkorb@gnu.org>
9194 * fixinc/fixincl.c: Convert to using a table of environment variables
9195 and activate the auto-edit marker on the fixed output files.
9196 * fixinc/fixlib.h: Define the environment table
9197 * fixinc/fixincl.sh: export the ${INPUT} dir
9198 * fixinc/check.tpl: likewise
9200 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9202 * gcc.c (.h spec): Fix typo.
9204 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9206 * Makefile.in: Fix tradcif.c path.
9208 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9210 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9213 * cpphash.h (TOKEN_NAME): New macro.
9214 (_cpp_spell_operator): Deleted.
9215 (token_spellings): Now _cpp_token_spellings.
9217 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9218 * cpplex.c: Use OP and TK macros when expanding the
9219 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9220 store the stringification of the enumeration name (CPP_CHAR,
9221 etc.) in the name slot of token_spellings.
9222 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9223 token_spellings directly.
9224 * cpplib.c: Use TOKEN_SPELL.
9226 * cpplex.c (_cpp_push_token): If the token being pushed back
9227 is the previous token in this context, just subtract one from
9229 * cppmacro.c (save_expansion): Clear aux field when storing a
9232 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9234 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9235 buffer, provided it is not NULL.
9237 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9239 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9240 case of invalid volatile re-declaration.
9242 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9244 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9245 (expand_call): Adjust caller.
9247 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9249 * diagnostic.h (report_diagnostic): Change prototype.
9251 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9252 diagnostic_for_decl): Change prototype.
9253 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9254 error, warning, error_with_file_and_line,
9255 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9256 Adjust call to report_diagnostic, diagnostic_for_decl.
9257 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9258 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9260 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9261 varaible argument list.
9263 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9265 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9266 moved to cppmacro.c.
9267 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9268 dump_hash_helper): Delete.
9269 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9270 cpp_forall_identifiers): New. Implement specialized version of
9271 Vlad's expandable hash table.
9272 (cpp_lookup): Use new functions.
9273 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9275 * cppmacro.c: New file.
9276 * cppinit.c (dump_macros_helper): New.
9277 (cpp_finish): Iterate over the identifier table directly.
9278 * cpplex.c (parse_name): Calculate the hash of the identifier
9279 while we scan it. Use _cpp_lookup_with_hash when we can.
9281 * cpphash.h: Update prototypes.
9282 (xcnewvec, HASHSTEP): New helper macros.
9283 * cpplib.h: Update prototypes.
9284 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9285 (cppmacro.o): New rule.
9286 (cpphash.o): Update deps.
9288 * cppmain.c: Do not set pfile->printer if no_output is on.
9290 2000-07-15 Neil Booth <neilb@earthling.net>
9292 * cpplib.c: Change all directive-handler functions to return
9294 * cpphash.h: Update typedefs.
9296 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9298 * configure: Regenerate.
9300 * extend.texi (Extended Asm): Mention that a memory clobber
9301 does not count as a side-effect.
9303 * unroll.c (copy_loop_body): Fix one instance of using host
9304 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9307 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9309 2000-07-17 Richard Henderson <rth@cygnus.com>
9311 * config/ia64/ia64.md (movdi): Split out load address code.
9312 New post-reload splitter for symbolic operands.
9313 (movdi_internal): Abort if we didn't split symbolic operands
9314 when we should have.
9315 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9316 (ia64_reorg): Split insns when not optimizing.
9317 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9319 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9321 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9322 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9324 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9326 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9328 2000-07-17 Jason Merrill <jason@redhat.com>
9330 * Makefile.in (clean): Remove libgcc directory.
9332 * configure.in (-Wno-long-long check): Use higher-level macros.
9334 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9336 * simplify-rtx.c (simplify_binary_operation): Recognize
9337 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9338 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9339 a CONST_INT, it will always be zero.
9341 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9343 * loop.c (check_dbra_loop) : Return if more than one condition is
9344 present to control the loop.
9346 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9348 * mips.c (mips_expand_prologue): Don't calculate the last argument
9349 register unless we need it. When we are calculating this, make
9350 sure FUNCTION_ARG is giving us a REG.
9352 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9354 * flow.c (libcall_dead_p): Use single_set to verify the insn
9355 has only one set and get for analysis.
9356 (propagate_one_insn): Don't pass the PATTERN of the insn.
9358 2000-07-17 Mark Klein <mklein@dis.com>
9360 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9362 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9364 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9365 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9366 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9367 of second argument of getgroups.
9368 * configure, config.in: Rebuilt.
9370 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9372 * simplify-rtx.c (simplify_relational_operation): Two signed
9373 values with equal high words are less/greater than each other if
9374 their low words are less/greater when considered as unsigned.
9376 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9378 * configure.in (vax-*-openbsd): Change to new style configuration,
9379 add collect2/float_format information.
9380 * configure: Rebuilt.
9381 * config/vax/openbsd1.h: New.
9382 * config/vax/openbsd.h: New.
9383 * config/vax/t-openbsd: New.
9385 2000-07-17 Chip Salzenberg <chip@valinux.com>
9387 * c-common.c (shorten_compare): Quiet warnings about unsigned
9388 comparisons with zero when they occur in a system header.
9390 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9392 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9393 update to describe current practice.
9395 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9397 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9398 references to C9X. Change references to -fstd and -flang-isoc9x
9401 * c-common.c (scan_char_table): Allow "z" length modifiers on
9403 (check_format_info): Use TYPE_DOMAIN on the type matched against
9404 for "z" formats, to retrieve the language size_t rather than the
9407 * c-common.c (check_format_info): Do not make a pedantic objection
9408 to the 'L' length modifier if used with a floating point type
9411 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9412 constants in C99 mode.
9414 2000-07-17 Kazu Hirata <kazu@hxi.com>
9416 * h8300.md: Fix the format of mac.
9417 (movsi_h8300hs): Output a tab after stmac instead of a space.
9419 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9420 profitable adds/subs sequences.
9422 * fold-const.c: Fix comment typos.
9424 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9426 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9428 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9430 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9432 2000-07-16 Neil Booth <NeilB@earthling.net>
9434 * cpplex.c: Update comments.
9435 * README.Portability: Small update.
9437 2000-07-16 Neil Booth <NeilB@earthling.net>
9439 * README.Portability: Small update.
9441 2000-07-15 Richard Henderson <rth@cygnus.com>
9443 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9444 * config/ia64/ia64.c (ia64_move_ok): New function.
9445 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9446 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9448 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9450 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9451 immediately following a paste operator.
9452 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9453 (cpp_reader_init): Call it, if HOST_EBCDIC.
9454 (cpp_handle_options): Do not sort option list here.
9455 (handle_option): Rename to cpp_handle_option and export.
9456 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9457 _cpp_get_token directly.
9458 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9459 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9460 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9463 2000-07-15 Richard Henderson <rth@cygnus.com>
9465 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9466 cast around an expression. Tidy other unsigned tests.
9468 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9470 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9471 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9472 (v_message_with_decl): Rename to ...
9473 (format_with_decl): ... this. Tweak
9474 (diagnostic_for_decl): New function.
9475 (fatal_io_error): Use verbatim in lieu of notice.
9476 (announce_function): Use verbatim.
9477 (default_print_error_function): Likewise.
9478 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9481 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9483 * mips.c (function_arg_pass_by_reference): Don't do automatic
9484 aggregate initialization.
9485 (machine_dependent_reorg): Initialize variable `mode'.
9487 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9488 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9489 conflicts with sys/param.h macro of the same name.
9490 (reload_outdi): Likewise.
9492 2000-07-15 Michael Meissner <meissner@redhat.com>
9494 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9495 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9496 create a new node instead.
9498 2000-07-15 Neil Booth <NeilB@earthling.net>
9500 * README.Portability: Correct example about calling a function
9501 through a pointer to function. Format wide paragraphs.
9503 2000-07-15 Michael Meissner <meissner@redhat.com>
9505 * README.Portability: Update integer suffixes and function
9508 2000-07-15 Neil Booth <NeilB@earthling.net>
9510 * README.Portability: Small update.
9512 2000-07-15 Neil Booth <NeilB@earthling.net>
9514 * README.Portability: New file.
9516 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9518 * INSTALL: Give special instructions for building GCC on Irix 6.
9519 * config/mips/x-iris6 (CC): Don't set it.
9522 2000-07-14 Jason Merrill <jason@redhat.com>
9524 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9525 register in the stack and later in another register, use the new
9528 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9530 * config/mips/mips.md: (absdi2): Handle sign_extend for
9533 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9535 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9537 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9539 * .cvsignore: Correct typo.
9541 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9543 * .cvsignore: Add generated YACC files.
9544 * objc/.cvsignore: New file.
9546 2000-07-14 Neil Booth <NeilB@earthling.net>
9548 * cpplex.c (adjust_column): New funcion.
9549 (skip_whitespace): Use it.
9550 (skip_block_comment): Use it, and warn about /*/* with
9553 2000-07-14 Neil Booth <NeilB@earthling.net>
9555 * cpphash.c (struct macro_info): Add new members.
9556 (_cpp_free_definition): Delete the macro directly.
9557 (count_params): Return void, with first token of
9558 expansion in struct macro_info on success.
9559 (parse_define): Return int. Hoist syntax checking from
9560 save_macro_expansion. Leave call to save_expansion to
9561 _cpp_create_definition.
9562 (alloc_macro): Needs just 2 arguments.
9563 (free_macro): Delete.
9564 (save_expansion): Don't perform syntax check.
9565 (_cpp_create_definition): Call save_expansion.
9567 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9569 * genrecog.c (write_header): Split long string.
9571 * cpphash.c (macro_info): Don't use the `signed' keyword.
9573 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9575 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9577 * calls.c (stored_args_map): New variable.
9578 (check_sibcall_argument_overlap_1): New.
9579 (check_sibcall_argument_overlap): New.
9580 (expand_call): Initialize stored_args_map.
9581 Call check_sibcall_argument_overlap.
9583 2000-07-13 Bruce Korb <bkorb@gnu.org>
9585 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9586 (emit_gnu_type): utility procedure for gnu_type_fix
9587 (gnu_type_fix): implement various pre-processor guards around
9588 standard types so these types can be defined over and over
9589 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9590 types alluded to above will have GNU-compliant base types
9591 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9592 * fixinc/inclhack.def: add test_text entries and utilize the new
9593 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9594 * fixinc/fixincl.x: regenerate
9596 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9598 * diagnostic.c (vline_wrapper_message_with_location,
9599 v_message_with_file_and_line, v_error_with_file_and_file,
9600 v_error_for_asm, v_warning_for_asm, vfatal,
9601 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9602 vsorry, verror, vwarning, vpedwarn): Remove.
9603 (diagnostic_for_asm): New function.
9604 (pedwarn, error, warning, pedwarn_with_file_and_line,
9605 error_with_file_and_line, warning_with_file_and_line, sorry,
9606 error_for_asm, warning_for_asm, fatal): Reimplement.
9607 (finish_diagnostic): Clear diagnostic info as well.
9609 2000-07-13 Neil Booth <NeilB@earthling.net>
9611 * c-common.h (flag_digraphs): New.
9612 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9613 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9616 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9618 * gcc.c (do_spec_1): Add new %B operator.
9619 (set_input): Prepare for %B.
9621 (link_command_spec): Move up with the other tm.h-
9622 overrideable specs. Factor out the portion conditional on
9623 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9624 (struct compiler): Just have a single spec string. All users
9626 (default_compilers): Remove unnecessary braces.
9627 (static_specs): Update.
9629 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9631 (C and assembly specs): Use the new named specs, as appropriate.
9633 * objc/lang-specs.h: Use the new named specs.
9634 Remove unnecessary braces.
9636 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9638 * gcc.c (execute): If a subprocess gets a fatal signal, report
9639 strsignal() of the signal number, and ask for a bug report.
9640 Do not do this for SIGPIPE if there's already been an error.
9642 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9645 * tradcif.c: Remove.
9647 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9649 * final.c (profile_function): Do not emit profile counters in
9650 the data section, if NO_PROFILE_COUNTERS is defined.
9651 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9654 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9655 (FUNCTION_PROFILER): Just emit a call to mcount.
9657 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9659 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9661 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9662 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9663 traditional, lang_chill, or lang_fortran.
9665 * cppfiles.c: #undef strcmp to suppress warning about macros
9666 used without arguments.
9667 (_cpp_execute_include): Use f, not fname, in "No include path"
9669 (_cpp_pop_file_buffer): New function.
9670 * cpplib.c: Don't include <sys/mman.h>.
9671 (cpp_push_buffer): Set line_base and lineno in new buffer.
9672 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9674 * cpplex.c: Move all prototypes and structure declarations to the
9675 top of the file. Properly parenthesise some macro arguments.
9676 (cpp_scan_line): New function.
9677 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9678 don't need to walk up the stack counting.
9680 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9682 * c-common.c (combine_strings): Emit a pedantic warning when a
9683 string length is greater than the minimum ANSI C is required
9686 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9688 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9689 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9691 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9693 * c-decl.c (define_label): Warn about identifier conflicts with
9694 labels in traditional C.
9696 * c-parse.in (unop +): Warn about the unary plus operator for
9699 * c-typeck.c (store_init_value): Warn about automatic aggregate
9700 initialization for traditional C.
9702 * invoke.texi (-Wtraditional): Document new warnings.
9704 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9706 * Makefile.in (c-errors.o): Fix thinko in dependency.
9708 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9710 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9711 -traditional, -ftraditional, or -traditional-cpp was given.
9712 Do not pass -traditional to the preprocessor.
9713 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9714 preprocessor does it automatically.
9715 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9717 * ch/lang-specs.h: Always use tradcpp. Do not pass
9718 -traditional, -trigraphs, or -pedantic to the preprocessor.
9719 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9722 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9724 * cppexp.c (LOGICAL): Delete macro.
9725 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9728 * cpphash.c (HASHSIZE): Increase to 4096.
9729 (struct hashdummy): Add hash field.
9730 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9731 the string values using memcmp.
9732 (cpp_lookup): Set dummy.hash.
9734 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9736 * configure.in (m88k-openbsd): Express configuration using new fragment
9738 * configure: Rebuilt.
9739 * m88k/aout-dbx.h: New.
9740 * m88k/openbsd.h: New.
9741 * m88k/xm-openbsd.h: New.
9743 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9745 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9747 2000-07-12 Richard Henderson <rth@cygnus.com>
9749 * reload.c (push_secondary_reload): Make sure to add the new
9750 reload at the end, after acquiring secondary memory.
9752 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9754 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9756 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9757 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9759 * c-parse.in (stmt): Delete unused variables.
9761 * convert.c (convert_to_vector): Likewise.
9763 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9765 * tree.c (finish_vector_type): Prototype.
9767 2000-07-12 Bruce Korb <bkorb@gnu.org>
9769 * fixinc/fixfixes.c: use xmalloc
9770 * fixinc/fixincl.c(initialize): set program name for xmalloc
9771 * fixinc/fixlib.c(must_malloc): obsolete
9772 (is_cxx_header): no longer used - disabled
9773 (skip_quote): inserted and disabled for future use
9774 * fixinc/fixlib.h: reflects above
9775 * fixinc/fixtests.c: removed dinkleberries
9777 2000-07-12 Neil Booth <NeilB@earthling.net>
9779 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9780 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9782 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9783 struct toklist_dummy): New.
9784 (cpp_free_definition): Free macros with free_macro.
9785 (count_params): Don't save paramter spellings. Save macro
9786 information in a struct macro_info.
9787 (parse_define): Don't allocate a token list.
9788 (save_expansion): Allocate the macro's token list, and
9789 save parameter spellings if necessary. Use TOKEN_SPELL.
9790 (cpp_create_definition): Make list const.
9792 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9794 * c-typeck.c (pedwarn_c99): Move to
9795 * c-errors.c: ... Here.
9796 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9797 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9798 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9799 (c-errors.o): List dependency.
9801 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9803 * c-parse.c: Remove.
9804 * c-parse.h: Likewise.
9805 * c-parse.y: Likewise.
9806 * objc/objc-parse.c: Likewise.
9807 * objc/objc-pasre.y: Likewise.
9809 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9811 * gcc.texi: Fix minor typos
9812 * extend.texi: Fix minor typos
9814 2000-07-11 Marc Espie <espie@openbsd.org>
9816 * collect2.c (main): Recognize .lo as object files.
9818 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9820 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9823 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9824 with MAP_ANONYMOUS and MAP_ANON.
9825 * configure, config.in: Rebuilt.
9827 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9829 * diagnostic.c (save_output_state): Remove.
9830 (restore_output_state): Likewise.
9831 (clear_text_info): New function.
9832 (clear_diagnostic_info): Likewise.
9833 (output_text_length, is_starting_newline, output_prefix,
9834 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9835 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9836 (set_real_maximum_length, output_set_maximum_length,
9837 output_set_prefix, output_get_prefix, output_set_maximum_length,
9838 output_destroy_prefix, init_output_buffer,
9839 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9840 output_add_newline, output_add_character, output_add_space,
9841 output_append_r, output_append, wrap_text, output_format,
9842 output_do_printf, output_printf, output_do_verbatim,
9843 output_verbatim, verbatim): Use them.
9844 (output_clear): Split into cleat_text_info and
9845 clear_diagnostic_info.
9846 (struct output_state): Move to...
9848 * diagnostic.h: ...Here
9849 (struct output_buffer): Adjust.
9851 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9853 * cpplex.c (parse_name): No longer inline (premature optimization).
9854 (do_pop_context): Fold into pop_context.
9855 (pop_context): Returns int.
9856 (lex_next): Hoist test for end of directive into pop_context.
9857 (push_macro_context): Returns int; takes just reader and token.
9858 Hoist test for excessive nesting to caller.
9859 (push_arg_context): Returns void; takes just reader and token.
9860 Do not call stringify_arg or get_raw_token.
9861 (get_raw_token): Convert tail recursion through push_arg_context
9862 to a loop at this level. Call stringify_arg here if appropriate.
9863 (maybe_paste_with_next): Convert tail recursion to a while loop.
9864 Hoist test of paste_level to caller.
9866 (stringify_arg): Push arg context at beginning.
9867 (cpp_get_token): Split out core into _cpp_get_token. Call
9868 process_directive here. Throw away CPP_PLACEMARKER tokens.
9869 (_cpp_get_token): Convert tail recursion through
9870 push_macro_context to a loop at this level.
9871 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9872 _cpp_get_raw_token): Use _cpp_get_token.
9873 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9874 not call pop_context.
9875 (_cpp_run_directive): Call lex_next directly.
9877 * cpphash.h: Prototype _cpp_get_token.
9878 * cppexp.c (lex): Use it.
9879 * cpphash.c (parse_define): Use it.
9880 * cpplib.c (get_define_node, do_undef, parse_include,
9881 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9882 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9883 parse_ifdef, validate_else): Use it.
9884 (cpp_push_buffer): Tweak error message; abort if anyone tries
9885 to push a buffer while macro expansions are stacked.
9887 2000-07-11 Donn Terry <donnte@microsoft.com>
9889 * cpplex.c (free_macro_args, save_token): Cast arg of free
9890 and/or xrealloc to PTR.
9891 (_cpp_init_input_buffer): Clear all fields of the base context.
9893 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9895 * gensupport.c (process_rtx): Make rtl checking stop
9896 complaining about the define_insn while it is being
9897 converted from a define_insn_and_split.
9899 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9901 * config/mips/mips.c (simple_memory_operand): Access the
9902 INTVAL of the address, not it's containing MEM.
9904 2000-07-11 Bruce Korb <bkorb@gnu.org>
9906 * fixinc/fixtests.c(double_slash): obsolete
9907 (else_endif_label): likewise
9908 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9909 (libc1_ifdefd_memx): correct initial comment
9910 and omit the #if/#endif pair from the memxxx declarations
9911 * fixinc/fixincl.x: regen
9913 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9915 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9917 2000-07-11 Neil Booth <NeilB@earthling.net>
9921 2000-07-11 Neil Booth <NeilB@earthling.net>
9923 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9924 (handle_option): Set digraphs according to standard.
9925 Merge OPT_lang_c89 handler with OPT_std_c89.
9927 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9928 accordance with the digraphs flag.
9930 * cpplib.h: (struct cpp_options): New option digraphs.
9932 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9933 Bruce Korb <bkorb@gnu.org>
9935 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9936 * fixinc/fixincl.x: Regenerate.
9937 * fixinc/tests/base/testing.h: Add testcase.
9939 2000-07-10 Richard Henderson <rth@cygnus.com>
9941 * config/ia64/ia64.c (got_symbolic_operand): New.
9942 (symbolic_operand, move_operand): Revert 0701 change.
9943 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9944 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9945 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9946 split the offset into a 14-bit low part instead of a 13-bit low part.
9947 (load_fptr): Mark the mem as unchanging.
9948 (load_symptr): Use got_symbolic_operand.
9950 2000-07-10 Nick Clifton <nickc@cygnus.com>
9952 * libgcc2.c (next_stack_level): Cast result of computation to
9953 (void **) so that the assignment does not generate a warning.
9955 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9957 * flags.h : Add new variable flag_single_precision_constant.
9958 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9959 (flag_single_precision_constant): New.
9960 * c-lex.c (yylex): Convert floating point constant to single
9962 * invoke.texi : Add documentation for this new option.
9964 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9966 * diagnostic.c (output_octal): Second parameter is unsigned.
9967 (output_long_octal): Likewise.
9968 (output_hexadecimal): Likewise.
9969 (output_long_hexadecimal): Likewise.
9970 (output_format): Adjust arguments extraction. Tweak.
9971 (output_verbatim, verbatim): End variable argument list.
9972 (report_diagnostic): Improve documentation.
9974 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9976 * c-common.h (build_stmt): Declare.
9977 (build_continue_stmt): Likewise.
9978 (build_break_stmt): Likewise.
9979 (build_return_stmt): Likewise.
9981 * c-decl.c (do_case): Rewrite to do what previously done in
9984 * c-semantics.c (build_stmt): Define.
9985 (build_return_stmt): Likewise.
9986 (build_break_stmt): Likewise.
9987 (build_continue_stmt): Likewise.
9988 (build_case_label): Likewise.
9990 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9991 (CONTINUE): Likewise.
9994 (DEFAULT): Likewise.
9996 * c-parse.y: Regenerate.
9997 * c-pasre.c: Likewise.
9999 2000-07-09 Jason Merrill <jason@redhat.com>
10001 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10003 * tree.h (STRIP_NOPS): Check for error_mark_node.
10004 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10005 (dwarf2out_*): Remove duplicate declarations.
10007 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10008 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10010 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10012 * diagnostic.c (wrap_text): New function.
10013 (maybe_wrap_text): Likewise.
10014 (output_add_string): Use it.
10015 (output_format): Likewise.
10016 (count_error): Use verbatim instead of notice.
10017 (report_error_function): Likewise. Don't use plain fprintf.
10018 (finish_diagnostic): New function.
10019 (output_do_verbatim): Tweak. Commonalize functionalities in
10020 output_verbatim and verbatim.
10021 (output_verbatim): Adjust.
10022 (verbatim): Likewise.
10023 (report_diagnostic): Define.
10025 * diagnostic.h (report_diagnostic): Prototype.
10027 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10029 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10031 2000-07-09 Neil Booth <NeilB@earthling.net>
10033 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10034 IShspace, ISspace: Update.
10036 * cppinit.c: ISTABLE: Update.
10039 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10040 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10041 (skip_block_comment, skip_line_comment, parse_string,
10042 lex_line): Use is_vspace rather than IS_NEWLINE.
10043 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10044 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10046 (lex_next): Unconditionally stop if within a directive.
10047 Treat directives within macro invocations as directives
10048 (after parse_args emits error), not as the argument.
10050 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10052 * diagnostic.c (diagnostic_args): New macro.
10053 (diagnostic_msg): Likewise.
10054 (output_formatted_integer): Likewise.
10055 (output_state): New data type.
10056 (digit_buffer): Make global.
10057 (output_add_integer): Rename to output_decimal. Squeeze
10059 (output_long_decimal, output_unsigned_decimal,
10060 output_long_unsigned_decimal, output_octal, output_long_octal,
10061 output_hexadecimal, output_long_hexadecimal): New functions.
10062 (output_append_r): New function.
10063 (output_append): Tweak.
10064 (output_flush_on): Rename to output_to_stream.
10065 (output_format): Change prototype. Improve documentation. Handle
10066 more format specifiers.
10067 (build_location_prefix): Rename to context_as_prefix.
10068 (output_notice): Rename to output_do_printf.
10069 (output_printf): Tweak.
10070 (line_wrapper_printf): Likewise.
10071 (vline_wrapper_message_with_location): Adjust call to renamed
10073 (v_message_with_decl): Likewise.
10074 (default_print_error_function): Likewise.
10075 (save_output_state): New function.
10076 (restore_output_state): Likewise.
10077 (output_do_verbatim): Likewise.
10078 (output_verbatim): Define.
10079 (verbatim): Likewise.
10081 * diagnostic.h (printer_fn): Change return type from void to int.
10082 Improve documentation.
10083 (output_add_integer): Rename to output_decimal.
10084 (output_flush_on, output_format): Don't export.
10085 (output_verbatim, verbatim): Declare.
10087 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10089 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10090 Check whether c divides op1 exactly if operation is not
10093 2000-07-08 Richard Henderson <rth@cygnus.com>
10095 * final.c (final): Do not abort when reg-stack introduces
10098 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10100 * cpplib.h (struct cpp_name): Now struct cpp_string.
10101 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10102 CPP_HEADER_NAME): Change to type S.
10103 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10104 field, a cpp_hashnode *. All references to val.name updated
10105 to use val.str or val.node as appropriate.
10106 (struct cpp_reader): Add spec_nodes field.
10107 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10109 * cpphash.h (struct spec_nodes): New.
10110 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10111 val.str. All references to 'spelling > SPELL_NONE' updated to
10114 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10115 pfile->buffer->inc are not NULL before dereferencing them.
10117 * cpplex.c (parse_name): Take a pointer to the current token,
10118 plus current position and limit as args; return the new
10119 position; don't copy the text of a name into the string
10120 buffer, instead call cpp_lookup and store the node pointer.
10121 If extending a token, copy out the text of the old into a
10122 scratch buffer, append the new, look that up and store the new
10123 node pointer. Inline.
10124 (maybe_paste_with_next): If the result of paste is a NAME,
10125 then look up the pasted text and store its node pointer.
10126 (lex_line): Adjust for new parse_name interface.
10127 Check for L"str", L'str' using spec_nodes->n_L.
10128 (spell_token): SPELL_IDENT tokens have their spelling in
10129 val.node->name. Handle SPELL_STRING tokens that don't have
10131 (_cpp_expand_name_space,
10132 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10133 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10134 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10135 return 1=equal 0=not, not a tristate.
10137 * cpphash.c (var_args_str): Delete.
10138 (find_param): Compare node fields directly.
10139 (is__va_args__): Use CPP_PEDANTIC. Just compare
10140 token->val.node with spec_nodes->n__VA_ARGS__.
10141 (dump_funlike_macro): Don't use var_args_str.
10143 * cpplib.c (_cpp_check_directive): Just walk through
10144 spec_nodes->dirs comparing pointers.
10145 (get_define_node, do_pragma_poison, detect_if_not_defined,
10146 parse_ifdef): The identifier has already been looked up.
10147 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10149 (do_if): Only call detect_if_not_defined at beginning of file.
10150 (_cpp_parse_assertion): Only copy string pointers for
10151 SPELL_STRING tokens.
10152 (pragma_dispatch): Take a node pointer and examine its name
10154 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10156 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10158 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10159 reverse order from the corresponding _cpp_init_* routines.
10161 * cppexp.c (parse_number, parse_charconst, parse_defined,
10162 lex): Check val.node->type instead of calling cpp_defined.
10163 Use spec_nodes entries where appropriate.
10165 * fix-header.c, scan-decls.c: Update for interface changes.
10167 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10169 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10170 emitting aux_truncdfsf2.
10172 2000-07-03 Donn Terry (donnte@microsoft.com)
10174 * cppinit.c (print_help): split overlong line into ISO C89
10177 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10179 * cppexp.c: Update all code for new lexer interface.
10180 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10181 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10182 * cpplex.c (token_names): Trim leading CPP_ from names; make
10183 the strings unsigned.
10184 (_cpp_spell_operator): New.
10185 (is_macro_disabled): Disable all macros if rescanning
10187 (_cpp_get_directive_token): Remove.
10189 * cppinit.c: Don't set no_macro_expand.
10190 * cpplib.c (read_line_number, do_line): Check only for EOF,
10192 * cpphash.h: Update prototypes.
10193 * cpplib.h (CPP_VSPACE): Remove.
10194 (struct cpp_reader): Remove no_macro_expand.
10196 2000-07-08 Neil Booth <NeilB@earthling.net>
10198 * cpphash.c (is__va_args__): New function.
10199 (count_params): Fix line reported in error messages. Use
10200 is__va_args__. Don't return ')' on error. Flag GNU style
10201 rest args macro definitions.
10202 (parse_define): Check macro name is not __VA_ARGS__.
10203 (save_expansion): Check identifier in non-varargs-macro is
10204 not __VA_ARGS__. Don't flag GNU_VARARGS.
10205 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10206 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10207 than per-token GNU_VARARGS.
10208 * cpplib.h (GNU_VARARGS): Remove.
10209 (GNU_REST_ARGS): New.
10211 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10213 * i386.md (call_pop, call, call_value_pop): Do not set
10214 current_function_uses_pic_offset_table for calls to static
10215 functions or indirect calls.
10217 2000-07-07 Jim Wilson <wilson@cygnus.com>
10219 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10220 is_predicate_reg, then take max write_count of register pair.
10222 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10224 * tradcpp.c (main): Rename label `include' to `add_include' to
10225 avoid conflicts with variable `include' in traditional C.
10227 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10229 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10231 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10233 * sibcall.c (uses_addressof): Add INMEM argument, check for
10234 current_function_internal_arg_pointer outside of MEM rtxs in addition
10236 (sequence_uses_addressof): Update caller.
10238 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10240 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10243 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10245 * system.h (UNION_INIT_ZERO): New macro for initializing union
10246 members in structs.
10248 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10250 2000-07-07 Neil Booth <NeilB@earthling.net>
10252 * cpp.texi: Update.
10254 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10256 * final.c (final): Detect out of bounds array access to
10257 the insn_lengths array.
10259 2000-07-07 Kazu Hirata <kazu@hxi.com>
10261 * fold-const.c (fold): Fix a comment typo.
10263 2000-07-07 Neil Booth <NeilB@earthling.net>
10265 * cpp.texi: Update to new lexer.
10267 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10269 * tradcpp.c: New file.
10270 * tradcif.y: New file.
10271 * tradcif.c: New generated file.
10273 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10274 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10275 dependencies of C. Install tradcpp from install-common, in
10278 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10280 * cppinit.c: Include cppdefault.h. Refer to
10281 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10282 to GCC_INCLUDE_DIR and its length.
10283 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10284 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10285 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10287 (include_defaults_array): Move to cppdefault.c.
10289 * cppdefault.h: New file.
10290 * cppdefault.c: New file.
10292 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10293 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10294 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10297 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10299 * reload.c (push_reload): When seeing if can reuse a register,
10300 check extra registers against widest of INMODE and OUTMODE.
10302 2000-07-06 Neil Booth <NeilB@earthling.net>
10304 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10305 based on full length of predicate.
10307 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10309 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10310 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10312 2000-07-05 Kazu Hirata <kazu@hxi.com>
10314 * h8300-proto.h: Fix formatting.
10315 * h8300.c: Likewise.
10316 * h8300.h: Likewise.
10318 2000-07-05 Jim Wilson <wilson@cygnus.com>
10320 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10323 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10325 * invoke.texi: Fix minor typos
10326 * md.texi: Fix minor typos
10328 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10330 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10332 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10334 * cpplex.c: Don't include sys/mman.h.
10335 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10337 * cpplib.c: Include sys/mman.h and obstack.h.
10338 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10340 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10341 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10342 bother freeing if stack entries (they will be freed with their buffer).
10343 (do_endif): Free if stack entries from the buffer obstack.
10344 (push_conditional): Allocate if stack entries from the buffer obstack.
10346 (find_answer): Rename to _cpp_find_answer.
10347 (do_assert, do_unassert): Update.
10349 * cpphash.h: Update prototypes.
10350 (xobnew): New convenience macro.
10351 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10353 (struct cpp_hashnode): Remove disabled field.
10355 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10356 (report_missing_guard): Moved to cppfiles.c.
10357 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10359 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10360 cpp_cleanup_includes. Don't destroy hashtab or
10361 all_include_files here.
10362 (cpp_finish): Use _cpp_report_missing_guards.
10364 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10365 (_cpp_init_include_table): Rename _cpp_init_includes.
10366 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10368 * cppexp.c (parse_assertion): Update for new name of
10371 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10373 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10375 * cpplib.c (do_ident): s/VSPACE/EOF/
10377 2000-07-05 Neil Booth <NeilB@earthling.net>
10379 * cpplex.c: Fix trigraph replacement within strings.
10381 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10383 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10385 * xcoffout.c (assign_type_number): Constify.
10386 (xcoffout_source_file): Add static prototype. Don't needlessly
10387 cast away const-ness.
10389 2000-07-04 Jason Merrill <jason@redhat.com>
10391 * frame.h (frame_state): Move base_offset to end.
10393 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10395 * calls.c (emit_library_call_value_1): Revert previous change.
10397 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10399 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10400 (recognized_extern, recognized_function, read_scan_file):
10401 Update for new scheme.
10402 (check_protection): It's still a multiple include guard even
10403 if it doesn't always trigger.
10404 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10406 * scan.h: Declare struct cpp_token. Update prototypes.
10408 2000-07-03 Neil Booth <neilb@earthling.net>
10409 Zack Weinberg <zack@wolery.cumb.org>
10411 Complete overhaul of the lexer and macro expander.
10413 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10414 arg, arglist, argdata, reflist, collect_objlike_expansion,
10415 collect_funlike_expansion, collect_params,
10416 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10417 unsafe_chars, macarg, compare_defs, special_symbol,
10418 scan_arguments, stringify, funlike_macroexpand,
10419 _cpp_quote_string, monthnames): Delete.
10420 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10421 _cpp_create_definition, _cpp_dump_definition,
10422 dump_hash_helper): Adjust.
10423 (find_param, count_params, parse_define, var_args_str,
10424 check_macro_redefinition, save_expansion): New.
10426 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10427 parse_string, output_line_command, trigraph_replace,
10428 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10429 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10430 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10431 _cpp_skip_rest_of_line): Modify.
10433 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10434 find_position, null_warning, bump_column, expand_name_space,
10435 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10436 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10437 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10438 _cpp_prescan): Delete.
10440 (dump_param_spelling, process_directive, lex_next,
10441 is_macro_disabled, stringify_arg, expand_context_stack,
10442 output_token, make_string_token, alloc_number_token,
10443 special_symbol, duplicate_token, maybe_paste_with_next,
10444 can_paste, prevent_macro_expansion, restore_macro_expansion,
10445 get_temp_token, release_temp_tokens, quote_string,
10446 token_names, token_spellings, _cpp_expand_name_space,
10447 _cpp_glue_header_name, _cpp_reserve_name_space,
10448 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10449 placemarker_token, eof_token, cpp_context, macro_args,
10450 get_raw_token, parse_arg, parse_args, save_token,
10451 push_arg_context, push_macro_context, pop_context,
10452 do_pop_context, free_macro_args, _cpp_get_line,
10453 _cpp_run_directive): New.
10455 * cpplib.c (validate_else, parse_include, push_conditional,
10456 pass_thru_directive, read_line_number, parse_ifdef,
10457 detect_if_not_defined, _cpp_check_directive, do_define,
10458 do_undef, do_include, do_import, do_include_next, do_error,
10459 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10460 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10461 do_pragma_poison, do_pragma_system_header,
10462 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10463 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10464 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10465 cpp_defined): Update for new scheme.
10466 (strtoul_for_line, get_define_node, dump_macro_name,
10467 _cpp_check_linemarker, _cpp_parse_assertion): New.
10468 (_cpp_handle_directive, do_pragma_default): Delete.
10470 * cpphash.h (struct predicate): Now struct answer.
10471 (enum spell_type, struct token_spelling, struct directive,
10472 directive_handler): New.
10473 Update prototypes. Remove unused macros.
10474 * cpplib.h: Update prototypes. Remove unused macros,
10475 structure definitions, and fields.
10477 * cpperror.c (print_containing_files, v_message): Adjust.
10478 * cppexp.c (parse_assertion, lex, parse_escape,
10479 _cpp_parse_expr): Adjust.
10480 * cppfiles.c (open_include_file, _cpp_execute_include,
10481 _cpp_compare_file_date, cpp_read_file, read_include_file):
10483 * cppinit.c (dump_special_to_buffer): Delete.
10484 (append_include_chain, merge_include_chains, cpp_reader_init,
10485 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10486 cpp_finish, handle_option, print_help): Adjust.
10487 * cppmain.c (main): Adjust.
10489 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10491 * cppspec.c (lang_specific_driver): Use double quotes in error
10494 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10496 * calls.c (emit_library_call_value_1): Use valreg instead
10497 of hard_libcall_value.
10499 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10501 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10502 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10503 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10511 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10512 mode instead of wider_mode is being used.
10514 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10516 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10517 of 'r'. Use q_regs_operand.
10518 (andsi_1+2): Use q_regs_operand.
10520 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10522 * builtins.c (get_memory_rtx): Always put into alias set 0.
10524 2000-07-03 Nick Clifton <nickc@cygnus.com>
10526 * config/arm/arm.md: Fix post increment and pre increment
10527 peepholes so that they do not generate UNPREDICATBLE opcodes.
10528 (ie ones where the increment clobbers the source/destination).
10530 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10532 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10533 change too big for -mtiny-stack" a warning, if larger than 63.
10534 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10535 always safe to use on possible future devices.
10536 (function_prologue): Write SPH before SPL, for consistency.
10537 If interrupt_func_p true, we know we have enabled interrupts.
10538 (avr_num_arg_regs): New function. Round up to even number of
10539 bytes if no -mpack-args or if calling a libgcc function.
10540 (function_arg, function_arg_advance): Use it.
10541 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10542 Output "movw" if available.
10543 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10544 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10545 (asm_output_section_name): Add blanks for consistent output.
10546 (encode_section_info): Set TREE_READONLY for progmem data to
10547 avoid gas warnings about changed section attributes.
10548 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10549 even numbered registers on devices with "movw".
10550 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10551 (TARGET_SWITCHES): Mark help strings for translation.
10552 Add new -mpack-args and -menhanced switches.
10553 (TARGET_OPTIONS): Mark help strings for translation.
10554 (progmem_section): Add section attributes.
10555 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10556 Output "movw" if available.
10557 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10559 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10560 call convention (arguments aligned on even registers).
10561 (_cleanup, _exit): Make weak symbols libc can override.
10563 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10565 * fp-bit.h: New file.
10567 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10568 Comment #endif statements.
10569 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10571 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10573 * gcse.c (compute_pre_data): Compute ae_kill using other local
10574 properties instead of calling compute_ae_kill.
10576 * alias.c (init_alias_analysis): Do not call
10577 prologue_epilogue_contains until after reload has completed.
10579 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10581 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10582 (genrtl_finish_compound_stmt): Likewise.
10583 (genrtl_compound_stmt): Change to return void.
10585 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10586 move code from here to ...
10587 (genrtl_compound_stmt): ... here.
10588 (genrtl_finish_compound_stmt): Remove.
10589 (expand_stmt): Add comment.
10591 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10593 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10596 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10598 * cpplib.h (struct cpp_reader): New field include_depth.
10599 (struct cpp_printer): Rename last_bsd to last_id.
10600 * cppfiles.c (read_include_file): Bump include_depth.
10601 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10602 (output_line_command): Output correct #line if a header
10603 is including itself and is not protected against multiple inclusion.
10604 Use include_depth instead of buffer_stack_depth, last_id instead of
10606 * cppinit.c (cpp_start_read): Initialize last_id instead of
10609 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10611 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10612 (c-semantics.o): New target.
10614 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10615 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10616 (genrtl_clear_out_block): Likewise.
10617 (genrtl_goto_stmt): Likewise.
10618 (genrtl_expr_stmt): Likewise.
10619 (genrtl_decl_stmt): Likewise.
10620 (genrtl_if_stmt): Likewise.
10621 (genrtl_while_stmt): Likewise.
10622 (genrtl_do_stmt): Likewise.
10623 (genrtl_return_stmt): Likewise.
10624 (genrtl_for_stmt): Likewise.
10625 (genrtl_break_stmt): Likewise.
10626 (genrtl_continue_stmt): Likewise.
10627 (genrtl_scope_stmt): Likewise.
10628 (genrtl_switch_stmt): Likewise.
10629 (genrtl_case_label): Likewise.
10630 (genrtl_begin_compound_stmt): Likewise.
10631 (gerntl_finish_compound_stmt): Likewise.
10632 (genrtl_compound_stmt): Likewise.
10633 (genrtl_asm_stmt): Likewise.
10634 (genrtl_decl_cleanup): Likewise.
10635 (DECL_ANON_UNION_ELEMS): Likewise.
10636 (emit_local_var): Likewise.
10637 (make_rtl_for_local_static): Likewise.
10638 (expand_cond): Likewise.
10639 (expand_stmt): Likewise.
10640 (c_expand_return): Likewise.
10641 (c_expand_start_case): Likewise.
10642 (do_case): Likewise.
10643 (COMPOUND_STMT_NO_SCOPE): Likewise.
10644 (c_expand_asm_operands): Likewise.
10645 (NEW_FOR_SCOPE_P): New macro.
10646 (expand_expr_stmt_fn): New type.
10648 (set_current_function_name_declared): Likewise.
10649 (current_function_name_declared): Likewise.
10650 (lang_expand_stmt): Likewise.
10651 (stmts_are_full_exprs_p): Likewise.
10652 (anon_aggr_type_p): Likewise.
10653 (lang_expand_expr_stmt): Likewise.
10654 (build_case_label): Likewise.
10656 * c-decl.c (lang_expand_expr_stmt): Initialize.
10657 (stmts_are_full_exprs_p): Define.
10658 (current_function_name_declared): Likewise.
10659 (do_case): Likewise.
10660 (lang_expand_stmt): Likewise.
10661 (set_current_function_name_declared): Likewise.
10662 (anon_aggr_type_p): Likewise.
10664 * c-semantics.c: New file.
10665 (expand_cond): Moved from cp/semantics.c.
10666 (genrtl_do_pushlevel): Likewise.
10667 (genrtl_clear_out_block): Likewise.
10668 (genrtl_goto_stmt): Likewise.
10669 (genrtl_expr_stmt): Likewise.
10670 (genrtl_decl_stmt): Likewise.
10671 (genrtl_if_stmt): Likewise.
10672 (genrtl_while_stmt): Likewise.
10673 (genrtl_do_stmt): Likewise.
10674 (genrtl_return_stmt): Likewise.
10675 (genrtl_for_stmt): Likewise.
10676 (genrtl_break_stmt): Likewise.
10677 (genrtl_continue_stmt): Likewise.
10678 (genrtl_scope_stmt): Likewise.
10679 (genrtl_switch_stmt): Likewise.
10680 (genrtl_case_label): Likewise.
10681 (genrtl_begin_compound_stmt): Likewise.
10682 (genrtl_finish_compound_stmt): Likewise.
10683 (genrtl_compound_stmt): Likewise.
10684 (genrtl_asm_stmt): Likewise.
10685 (genrtl_decl_cleanup): Likewise.
10686 (make_rtl_for_local_static): Moved from cp/decl.c.
10687 (emit_local_var): Likewise.
10688 (expand_stmt): Define.
10690 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10691 (c_expand_return): Likewise.
10692 (c_expand_start_case): Likewise.
10694 2000-07-01 Richard Henderson <rth@cygnus.com>
10696 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10697 with the low 13 bits set.
10698 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10699 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10700 of the low 13 bits into a CONST plus an adddi3.
10701 (load_symptr): Set RTX_UNCHANGING_P.
10703 See ChangeLog.3 for earlier changes.