1 2000-11-06 Neil Booth <neilb@earthling.net>
3 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
6 2000-11-06 Neil Booth <neilb@earthling.net>
8 * tradcpp.c (special_symbol): Assign an null string rather
9 than writing to an unallocated buffer.
11 2000-11-06 Neil Booth <neilb@earthling.net>
13 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
16 2000-11-06 Neil Booth <neilb@earthling.net>
18 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
19 tok.val.arg_no as appropriate.
20 * cppexp.c (lex): Similarly.
21 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
22 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
23 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
24 cpp_macro_definition): Similarly.
25 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
27 2000-11-06 Jakub Jelinek <jakub@redhat.com>
29 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
30 operands[1] is constant, calculate the sum and generate movdi.
31 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
32 (subsi3): Use SImode in call to arith_4096_operand.
34 2000-11-06 Jakub Jelinek <jakub@redhat.com>
36 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
37 adjust %o1, not %o0 if the return type is large structure.
39 2000-11-06 Jakub Jelinek <jakub@redhat.com>
41 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
42 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
44 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
46 * expmed.c (expand_divmod): For signed divide by 2, prefer
47 a branch and fewer shifts if branches are very cheap.
49 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
51 * Makefile.in: Remove all targets related to building
52 distributions and diffs, or INSTALL.
53 * INSTALL, install1.texi: Remove.
54 * configure.in: Remove mention of distdir.
55 * configure: Regenerate.
56 * objc/Make-lang.in: Remove mention of distdir.
58 2000-11-04 Neil Booth <neilb@earthling.net>
60 * cpp.texi: Update for _Pragma.
62 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
64 * gcc.texi (Contributing): Update URL for projects web page.
66 2000-11-04 Neil Booth <neilb@earthling.net>
68 * cpplex.c (parse_string): Don't allow multiline strings in
69 #include family directives.
71 2000-11-04 Neil Booth <neilb@earthling.net>
73 * cpplib.c (do_line): Only warn pedantically if not reading
76 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
78 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
81 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
83 * builtins.c (expand_builtin_strlen): Remove unused mode
85 * gcc.c (process_command): Remove unused variable.
86 * fold-const.c: Include expr.h.
87 * recog.c: Include reload.h.
88 * Makefile.in (recog.o, fold-const.o): Update deps.
90 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
92 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
94 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
96 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
98 (STARTFILE_SPEC): Likewise.
99 (LINK_SPEC): Likewise.
101 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
104 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
105 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
107 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
109 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
110 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
111 perm_calloc, get_identifier, maybe_get_identifier,
112 real_value_from_int_cst, simple_cst_equal), varasm.c
113 (assemble_name, assemble_real, immed_real_const_1,
114 compare_constant_1, decode_rtx_const, output_constant_pool): Use
115 strrchr () instead of rindex (). Use memcmp () instead of bcmp
116 (). Use memcpy () instead of bcopy (). Use memset () instead of
119 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
121 * cppfiles.c (open_file): If already read, then don't reopen.
122 Immediately close an empty file.
124 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
126 * expr.h (fold_builtin): Move declaration...
127 * tree.h (fold_builtin): ... here.
129 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
131 * flow.c (verify_local_live_at_start): Allow hard regs to die.
133 2000-11-02 Neil Booth <neilb@earthling.net>
136 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
137 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
138 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
139 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
140 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
141 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
142 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
143 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
144 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
145 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
146 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
147 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
148 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
149 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
150 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
151 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
152 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
153 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
154 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
155 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
156 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
157 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
158 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
159 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
160 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
161 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
162 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
163 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
164 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
165 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
166 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
167 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
168 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
169 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
170 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
171 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
172 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
173 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
174 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
175 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
176 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
177 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
178 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
179 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
180 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
181 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
182 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
183 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
184 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
185 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
186 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
187 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
188 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
189 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
190 vax/vaxv.h, vax/vms.h, we32k/we32k.h
192 Replace -A() with -A=, the new assertion syntax.
194 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
196 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
198 In REG_DEAD handling: When handling parts of multi-hard-reg hard
199 registers, increment the loop counter by the size of the parts;
200 use recursion to handle individual parts.
202 2000-11-02 Neil Booth <neilb@earthling.net>
204 * configure.in: Make integrated CPP the default.
205 * configure: Regenerate.
207 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
209 * reload.c (find_equiv_reg): Test all hard registers for membership
210 in the requested class.
212 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
214 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
215 process_command, main), gcov.c (open_files, output_data), tlink.c
216 (frob_extension, scan_linker_output), toplev.c
217 (file_name_nondirectory): Use strchr () and strrchr () instead of
218 index () and rindex ().
220 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
222 * c-common.c (get_flag_spec, check_format_info_main,
223 check_format_types): Use strchr () instead of index (). Compare
224 against error_mark_node instead of comparing the TREE_CODE against
227 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
231 * c-lex.c (init_c_lex): Update cpp_start_read call.
232 (cb_ident): Update for new callback prototype.
233 (cb_def_pragma): Update for new cpp_get_token prototype.
234 (c_lex): Similarly. Use cpp_get_line.
236 * c-parse.in (finish_parse): Update for new cpp_finish
239 * cp/lex.c (finish_parse): Similarly.
241 2000-11-01 Geoff Keating <geoffk@cygnus.com>
243 * machmode.def: Add V16QImode.
245 2000-11-01 Richard Henderson <rth@redhat.com>
247 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
248 from rtl_for_decl_location.
249 (add_location_or_const_value_attribute): Likewise.
251 2000-11-01 Neil Booth <neilb@earthling.net>
253 * cpplib.c (run_directive): Use correct line number for output
254 of _Pragma. Remember any in-progress directive.
256 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
258 2000-11-01 Richard Henderson <rth@redhat.com>
260 * stmt.c (expand_start_null_loop): Set continue_label.
262 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
264 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
265 (expand_builtin_constant_p): Move parts of the code into
266 fold_builtin_constant_p.
267 (expand_builtin_strlen): Move parts of the code into fold_builtin.
268 * expr.h (fold_builtin): Declare.
269 * fold-const.c (fold): Handle builtin calls.
271 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
273 2000-11-01 Richard Henderson <rth@redhat.com>
275 * stmt.c (expand_start_null_loop): New.
276 (expand_end_null_loop): New.
277 * c-semantics.c (genrtl_do_stmt): Use them.
278 * tree.h: Declare them.
280 2000-11-01 Richard Henderson <rth@redhat.com>
282 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
284 2000-11-01 Neil Booth <neilb@earthling.net>
286 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
287 * cp/spew.c: Similarly.
288 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
289 * cppmacro.c (stringify_arg): Similarly.
290 * cpplib.h (CPP_BACKSLASH): Delete.
292 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
294 * builtins.c (expand_builtin_strstr): New function.
295 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
297 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
299 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
302 2000-10-31 Richard Henderson <rth@redhat.com>
304 * config/i386/i386.c (fcmov_comparison_operator): Check for
305 CCFPmode or CCFPUmode instead of CCmode.
306 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
307 unordered operations as well.
309 2000-10-31 Richard Henderson <rth@redhat.com>
311 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
312 of integer_zero_node.
314 2000-10-31 Richard Henderson <rth@redhat.com>
316 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
318 2000-10-31 Nick Clifton <nickc@redhat.com>
320 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
321 -fdata-sections to override the section attribute of a DECL.
323 2000-10-31 Chris Demetriou <cgd@sibyte.com>
325 * libgcc2.c (__shtab): Remove __shtab variable.
326 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
327 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
330 2000-10-31 Jim Wilson <wilson@redhat.com>
332 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
333 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
334 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
335 instead of ASM_OUTPUT_INTERNAL_LABEL.
336 (dwarf2out_end_block, dwarf2out_label): Likewise.
337 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
338 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
340 2000-10-31 Richard Henderson <rth@redhat.com>
342 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
343 (size_of_locs): Set it.
344 (output_loc_operands): Use it to compute branch displacement.
345 (int_loc_descriptor): New.
346 (mem_loc_descriptor): Dereference memory in the proper size.
347 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
348 (loc_descriptor_from_tree): New.
349 (rtl_for_decl_location): Break out from ...
350 (add_location_or_const_value_attribute): ... here.
351 (add_bound_info): Use loc_descriptor_from_tree.
353 2000-10-31 Neil Booth <neilb@earthling.net>
355 * cpp.texi: Update for new command line assertion syntax.
356 * cpplib.c (cpp_define): Simplify a bit.
357 (cpp_assert, cpp_unassert): Use handle_assertion.
358 (handle_assertion): New function; accept new command line
360 * testsuite/gcc.dg/cpp/assert3.c: New tests.
362 2000-10-31 Neil Booth <neilb@earthling.net>
364 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
365 undefined. Remove #ifdef check.
366 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
367 Define STDC_0_IN_SYSTEM_HEADERS to 1.
369 2000-10-31 Jan Hubicka <jh@suse.cz>
370 Jakub Jelinek <jakub@redhat.com>
372 * config/i386/i386.h: Clarify CCNOmode description in comment.
373 (EXTRA_CC_MODES): Remove CCRCmode.
374 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
375 (put_condition_code, ix86_match_ccmode): Likewise.
376 (ix86_cc_mode): Likewise. Fix comment.
377 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
378 * config/i386/i386.md: Add unspec 12 description.
379 (adddi3 split): Use unspec 12 instead of CCRCmode.
380 (addsi3_carry_rc): Remove.
381 (addsi3_cc, addqi3_cc): New patterns.
382 (addsi_3): Swap operands, match CCZmode.
383 (addsi_4): Rewritten.
384 (addsi_5): Renamed from addsi_6.
386 (addhi_3): Swap operands, match CCZmode.
387 (addhi_4): Rewritten.
388 (addhi_5): Renamed from addhi_6.
390 (addqi_3): Swap operands, match CCZmode.
391 (addqi_4): Rewritten.
392 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
393 (subsi3_carry_rc): Removed.
394 (iorqi_3): Use =q constraint for clobber.
395 (xorqi_cc_2): Likewise.
396 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
397 (x86_movsicc_0_m1_rc): Removed.
398 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
400 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
402 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
403 and decrement of complex types.
405 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
407 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
408 builtin fputs, ensure we still evaluate the stream in case it
411 2000-10-31 Jakub Jelinek <jakub@redhat.com>
413 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
416 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
418 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
419 (fp_extended_operand, emit_fpscr_use): Likewise.
420 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
421 (fpul_operand): New function.
422 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
423 fp_extended_operand. Add fpul_operand.
424 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
425 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
426 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
427 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
428 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
429 (divdf3_i): Likewise.
430 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
431 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
432 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
433 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
434 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
436 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
438 * config/i386/i386.c (ix86_init_builtins): Correct return type
439 building v4hi_ftype_v4hi_int_int tree node.
440 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
441 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
443 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
445 (mmx__uavgv8qi3): Correct insn mnemonic.
446 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
447 (mmx_punpckhwd): Correct insn mnemonic.
448 (mmx_punpckhdq): Likewise.
449 (mmx_punpcklwd): Likewise.
450 (mmx_punpckldq): Likewise.
451 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
452 Renumber case labels to match the _mm_prefetch constants defined in
455 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
456 if the splitter didn't emit new insns.
457 Make sure we call cleanup_subreg_operands even when splitting the last
458 insn in a basic block.
460 * invoke.texi (Debugging Options): Describe -do.
461 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
462 (dump_file): Likewise.
463 (rest_of_compilation): Split .greg dump into .greg and .postreload.
465 2000-10-30 Neil Booth <neilb@earthling.net>
467 * cppfiles.c (stack_include_file): Check for stacked contexts
469 * cpphash.h (_cpp_do__Pragma): New prototype.
470 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
472 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
473 escaped newlines if !(buffer->from_stage3).
474 (_cpp_lex_token): Warn about missing newlines iff
475 !buffer->from_stage3.
477 * cpplib.c (get__Pragma_string, destringize,
478 _cpp_do__Pragma): New functions.
479 (run_directive): Set output_line for _Pragma to avoid line
480 markers in output. Set from_stage3 and prevent macro expansion
481 for _Pragma and command-line options. Check buffer exhaustion.
482 (cpp_push_buffer): Don't check for stacked macro contexts, as
483 this is perfectly legitimate for _Pragma. Move the check to
484 stack_include_file instead. Set from_stage3 iff buffer is
487 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
488 unsigned. New boolean from_stage3.
489 (struct spec_nodes): Add n__Pragma.
491 * cppmacro.c (enter_macro_context): Flip sense of return value.
492 (_cpp_get_token): Handle _Pragma operator.
494 2000-10-30 Phil Edwards <pme@sources.redhat.com>
496 * gcc.texi: The C++ standard isn't "draft" anymore.
498 2000-10-30 Mark Mitchell <mark@codesourcery.com>
500 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
502 2000-10-29 Neil Booth <neilb@earthling.net>
504 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
506 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
508 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
509 fixinc/inclhack.def: Change comments mentioning C9X to refer to
512 * invoke.texi: Document that -V will only work for very similar
513 versions of driver and compiler.
515 2000-10-29 Neil Booth <neilb@earthling.net>
517 * cppmacro.c (_cpp_create_definition): Optimize the case of
518 a macro defined to itself.
520 2000-10-29 Neil Booth <neilb@earthling.net>
522 * cpplex.c (save_comment): Don't store new lines in C++ comments.
524 2000-10-29 Michael Hayes <mhayes@redhat.com>
526 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
528 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
530 * cpphash.c (cpp_forall_identifiers): Add context variable
531 for callback routine.
532 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
534 (main): Call cpp_forall_identifiers with null context.
535 * cpplib.h (cpp_forall_identifiers): Update prototype.
537 * cppmain.c: Make `parse_in' and `print' static.
539 2000-10-28 Alan Modra <alan@linuxcare.com.au>
541 * c-decl.c (finish_function): Clear c_function_name_declared_p.
543 2000-10-28 Richard Henderson <rth@redhat.com>
545 * regrename.c (scan_rtx_address): Frob action, not class,
546 when trying to disable optimization.
548 2000-10-28 Mark Mitchell <mark@codesourcery.com>
550 * c-semantics.c (make_rtl_for_local_static): Don't clobber
553 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
555 * configure.in: Determine and substitute gcc_version_full.
556 * configure: Regenerate.
557 * gccbug.in: Use it to give full version. Don't allow
560 2000-10-28 Richard Henderson <rth@redhat.com>
562 * recog.c (split_all_insns): Run cleanup_subreg_operands
565 * regrename.c (regrename_optimize): Verify that all registers of
566 a multiple register mode are available.
567 (scan_rtx_address): Accept the mode of the address; all callers
570 * cpplib.c (run_directive): Fix prototype.
572 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
574 * reload.c (find_reloads): Distinguish "wins" so that we know whether
575 a given operand won because of a matching constraint or not; then use
576 that information to compute goal_alternative_matched properly.
577 * reload1.c (choose_reload_regs): Never set reload_override_in for an
580 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
581 accurate value for MULT.
582 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
583 2% or > 98% before using static branch prediction bits.
585 2000-10-28 Neil Booth <neilb@earthling.net>
589 * cpplib.c (struct answer): New.
590 (struct if_stack): Use cpp_lexer_pos rather than line and col.
591 Rename cmacro mi_cmacro.
592 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
593 IN_I): New directive and flags.
594 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
595 parse_answer, parse_assertion, find_answer): New functions.
596 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
597 (lex_macro_node): New function to replace parse_ifdef and
600 (_cpp_handle_directive): New function, combines _cpp_check_directive
601 and _cpp_check_linemarker.
603 (do_define, do_undef, parse_include, do_include, do_import,
604 do_include_next, read_line_number, do_line, do_ident, do_pragma,
605 do_pragma_once, do_pragma_poison, do_pragma_dependency):
606 Update for new token getting interface.
608 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
609 : Update for new multiple-include optimisation technique.
610 (do_elif): Don't forget to invalidate controlling macros.
612 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
613 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
614 Functions to handle assertions with the new token interface.
615 (do_assert, do_unassert): Use them.
617 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
620 (_cpp_init_stacks): Register directive names. Don't register special
623 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
624 new position recording regime.
625 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
626 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
627 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
628 (cpp_type2name): Move to cpplex.c.
630 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
631 (parse_defined): Update to handle new multiple include optimisation
632 method. Remove poisoned identifier warning.
633 (parse_assertion, TYPE_NAME): Delete.
634 (lex): Update for multiple include optimisation, removal of
635 CPP_DEFINED, to use _cpp_test_assertion for assertions and
637 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
638 (op_as_text): New function, to wrap cpp_token_as_text.
640 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
641 Update for MI optimisation.
642 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
643 segfault on diagnostic.
644 (_cpp_compare_file_date): Take a token rather than 3 args.
645 (cpp_read_file): Work correctly for zero-length files.
647 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
648 _cpp_init_hashtable and _cpp_cleanup_hashtable.
649 (cpp_lookup): Place identifiers at front of identifier pool
650 for _cpp_lookup_with_hash.
651 (_cpp_lookup_with_hash): Require identifiers to be at the front of
652 the identifier pool. Commit the memory if not already in the
655 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
656 Initialise various members of cpp_reader, memory pools, and the
658 (cpp_printer_init): Delete.
659 (cpp_cleanup): Update.
660 (struct builtin, builtin_array, initialize_builtins): Update for new
661 hashnode definition and builtin handling.
662 (cpp_start_read, cpp_finish): Don't take or initialise a
665 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
666 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
667 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
668 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
669 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
670 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
671 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
672 struct toklist, struct cpp_context, struct specnodes,
673 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
674 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
675 enum builtin_type, cpp_can_paste): New.
676 (struct cpp_token): Delete line and col members.
677 (struct cpp_buffer): New member output_lineno.
678 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
679 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
680 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
681 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
682 base_context, context, directive, mi_state, mi_if_not_defined,
683 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
684 mlstring_pos, macro_buffer, macro_buffer_len.
685 Delete members mls_line, mls_column, token_list, potential_control_macro,
686 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
687 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
688 save_parameter_spellings, need_newline, .
689 Change type of date, time and spec_nodes members.
690 Change prototypes for include and ident callbacks.
691 (struct cpp_hashnode): Change type of name. Remove union members
692 expansion and code. Add members macro, operator and builtin.
694 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
695 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
696 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
697 cpp_stop_lookahead): New prototypes.
698 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
700 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
703 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
704 ufputs): Move to cpplib.h.
705 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
706 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
707 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
708 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
709 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
710 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
711 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
712 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
713 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
714 _cpp_parse_assertion, _cpp_find_answer): Delete.
715 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
716 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
717 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
718 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
719 _cpp_handle_directive, DSC): New.
720 (struct include_file): New member defined.
722 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
723 _cpp_compare_file_date): Update.
724 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
725 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
726 _cpp_cleanup_hashtable.
728 * Makefile.in: Remove cppoutput.c.
730 * cppoutput.c: Delete
732 * fixheader.c (read_scan_file): Update for new cpp_get_token
734 (recognized_function): New argument LINE.
736 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
737 new cpp_get_token prototype.
739 * scan.h (recognized_function): Update prototype.
741 * po/POTFILES.in: Remove cppoutput.c.
743 2000-10-27 Mark Mitchell <mark@codesourcery.com>
745 * c-typeck.c (check_init_type_bitfields): Remove.
746 (constructor_incremental): Likewise.
747 (struct constructor_stack): Remove incremental bit.
748 (struct initializer_stack): Likewise.
749 (start_init): Don't play with constructor_incremental.
750 (finish_init): Likewise.
751 (really_start_incremental_init): Likewise.
752 (push_init_level): Likewise.
753 (pop_init_level): Likewise.
754 (output_init_level): Likewise.
755 (output_pending_init_elements): Likewise.
757 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
759 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
760 Improve error messages. Correct parsing of
761 #pragma pack(pop [,id]). Do not check the user-supplied
762 alignment if we're popping.
764 * gcc.dg/pack-test-1.c: New test case.
765 * gcc.dg/pack-test-2.c: New test case.
766 * gcc.dg/pack-test-1.h: New file.
768 2000-10-27 Neil Booth <neilb@earthling.net>
772 2000-10-27 Kelley Cook <kelley.cook@home.com>
774 * invoke.texi: Document -mintel-syntax
776 2000-10-27 Richard Henderson <rth@redhat.com>
778 * invoke.texi: Document -frename-registers. Add it to -O3.
779 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
780 (enum dump_file_index, dump_file): Update order.
781 (main): Set flag_rename_registers at -O3.
783 2000-10-27 Richard Henderson <rth@redhat.com>
785 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
786 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
787 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
788 * config/alpha/alpha.md (call_osf_1): Use it.
789 (call_value_osf_1): Likewise.
791 * config/ia64/ia64.c: Revert 10-23 patch.
792 (ia64_hard_regno_rename_ok): New.
793 * config/ia64/ia64-protos.h: Declare it.
794 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
796 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
797 Richard Henderson <rth@redhat.com>
799 * regrename.c: Rewrite to handle multi-register modes and
800 cond_exec instructions.
801 * Makefile.in (regrename.o): Update dependancies.
802 * recog.h (struct operand_alternative): Add is_address.
803 * recog.c (preprocess_constraints) [case 'p']: Set it.
805 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
807 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
808 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
809 top level. Kill oldstyle_subdirs. Do not include
810 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
811 $outputs. Do not run configure.lang from config.status.
812 Rearrange warning-flag logic to correspond to what the
813 makefile wants. Put special vax stage1 options in
814 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
815 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
816 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
817 switch is given, nothing otherwise.
818 * configure.lang: Delete.
820 * Makefile.in: Expunge all traces of extra_c_objs,
821 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
822 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
823 warning options via a three level scheme so that -pedantic and
824 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
825 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
826 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
827 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
828 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
829 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
830 generation rules. Wrap all rules that change the current
831 directory in parentheses; pmake doesn't spawn a new shell for
832 each command. Expunge all references to $(P). When one
833 command depends on another and they're run all at once, use &&
834 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
835 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
838 * objc/Make-lang.in: Wrap all rules that change the current
839 directory in parentheses. Expunge all references to $(P).
840 When one command depends on another and they're run all at
841 once, use && to separate them, not ;. Add OUTPUT_OPTION to
842 all object-file generation rules. Delete obsolete variables.
843 * objc/Makefile.in: Delete.
845 2000-10-27 Jakub Jelinek <jakub@redhat.com>
847 * calls.c (expand_call): If sibcall_failure is set during pass 1,
848 clear tail_call_insns as well.
850 2000-10-27 Nick Clifton <nickc@redhat.com>
852 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
855 2000-10-26 Richard Henderson <rth@redhat.com>
857 * calls.c (expand_call): Supress sibcall if we have a
858 BLKmode return in registers.
860 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
862 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
865 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
867 * tree.c (make_node, case 't'): Set alignment to that of
869 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
871 2000-10-25 Mark Mitchell <mark@codesourcery.com>
873 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
874 * configure.in (enable-libstdcxx-v3): Arrange to have
875 HAVE_LIBSTDCXX_V3 substituted into the output files.
877 2000-10-25 Richard Henderson <rth@redhat.com>
879 * recog.c (constrain_operands): Initialize which_alternative
880 before no alternatives early exit.
882 * cse.c (find_comparison_args): Check that we can reverse a
883 comparison if needed before accepting the substitution.
885 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
887 * simplify-rtx.c (simplify_relational_operation): Sign extend
888 low words before sign extending to high words.
890 2000-10-25 Nick Clifton <nickc@redhat.com>
892 * config/mcore/mcore.c: Include config.h before system.h.
894 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
896 * config/mcore/mcore.md (return): Force function epilogue to
897 always be generated to work around epilogue suppression bug in
900 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
902 * c-decl.c (grokdeclarator): Move warning for qualified void
903 return types with -pedantic to when the function type is
904 constructed. At -W, warn in general for qualified function return
905 types, except for volatile void.
906 * invoke.texi: Document this new warning at -W.
908 2000-10-25 Neil Booth <neilb@earthling.net>
910 * cpp.texi: Update with implementation-defined behavior and
913 2000-10-25 Jakub Jelinek <jakub@redhat.com>
915 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
916 incomplete type force it into alias set 0.
918 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
920 * alias.c: Include basic-block.h.
921 (loop_p): New function.
922 (mark_constant_function): Use it.
923 * Makefile.in (alias.o): Update dependencies.
925 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
927 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
930 2000-10-24 Jim Wilson <wilson@cygnus.com>
932 * expmed.c (store_bit_field): Move integer pun code down after
933 code that calls emit_move_insn for entire register move.
934 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
935 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
937 2000-10-24 Richard Henderson <rth@cygnus.com>
939 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
940 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
942 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
944 * gcse.c (cprop_insn): do not propagate constants into jump_insn
945 for machines with CC0 more than once.
947 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
949 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
950 pseudos just like memory.
952 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
954 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
955 when deleting libcall sequence collapsed to a single instruction.
957 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
959 * expr.c (do_store_flag): Don't crash if either side of a
960 comparison is error_mark_node.
962 2000-10-24 Jakub Jelinek <jakub@redhat.com>
964 * sibcall.c (purge_mem_unchanging_flag): New function.
965 (optimize_sibling_and_tail_recursive_calls): Call it.
967 2000-10-24 Philipp Thomas <pthomas@suse.de>
969 * Makefile.in (check-po): New target for doing checks in the po
970 subdir if all languages configured.
971 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
972 configure if NLS is enabled.
973 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
974 otherwise leave empty.
975 * configure: Regenerate.
977 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
979 * i386.c (print_operand): Handle new 'A' formatting code.
980 387 opcodes need suffixes even with -mintel-syntax.
981 Check for explicit size override (codes 'b', 'w' and 'k').
982 (print_operand_address): Check if register prefix is needed when
983 emitting `ds' segment override.
984 * i386.h: Add comment about new 'A' formatting code.
985 * i386.md (jump and call patterns): Emit absolute references using %A.
987 2000-10-23 Richard Henderson <rth@cygnus.com>
989 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
990 output registers as fixed.
991 (ia64_function_epilogue): Undo output fixation.
993 2000-10-23 Richard Henderson <rth@cygnus.com>
995 * config/alpha/alpha.md: Add names for all unnamed insns; use
996 define_insn_and_split in some obvious places.
998 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
999 (zero_extendqisi2, zero_extendqidi2): Likewise.
1000 (zero_extendhisi2, zero_extendhidi2): Likewise.
1001 (abs splitters): Fix match_scratch operand number.
1002 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1004 2000-10-23 Jim Wilson <wilson@cygnus.com>
1006 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1008 * ia64.md (cmpsi_adjusted): Use %r3.
1009 (cmpdi_adjusted): Likewise.
1011 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1013 * config/i386/att.h (ASM_FILE_START): Define.
1015 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1017 * config/i386/linux.h (ASM_FILE_START): Define.
1019 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1021 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1022 since this (only) drags in a crt0.o reference that the .ld files
1025 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1027 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1028 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1029 reloads just like an RELOAD_FOR_OUTPUT would.
1031 * local-alloc.c (update_equiv_regs): Add an abort(). When
1032 deleting or moving insns, update reg_equiv[regno].init_insns.
1034 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1036 * c-tree.texi: Improve documentation for IF_STMTs and related
1037 conditional statements.
1039 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1041 * expr.c (do_preexpand_calls): Remove.
1042 (same_from_p): Don't use CALL_EXPR_RTL.
1043 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1044 (preexpand_calls): Remove.
1045 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1046 (unsave_expr_1): Likewise.
1047 * tree.def (CALL_EXPR): Give it only two slots.
1048 * tree.h (CALL_EXPR_RTL): Remove.
1050 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1052 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1053 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1056 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1058 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1059 adjust stack when unadjusted_alignment ends up as zero.
1061 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * fixinc/genfixes: Remove EGCS reference.
1064 * install.texi: Remove EGCS reference.
1065 * INSTALL: Regenerate.
1067 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1069 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1071 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1073 * diagnostic.c: Remove EGCS reference in comment.
1075 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1077 * loop.c (strength_reduce): Fix error in last change.
1079 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1081 * Makefile.in (SHLIB_NM_FLAGS): New.
1082 (libgcc.mk): Pass it.
1083 * mklibgcc.in (libgcc.map): Use it.
1085 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1086 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1088 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1092 * sparc.c (load_pic_register): Delete unused varaible.
1094 * libgcc2.c (__addvsi3): Delete unused variable.
1096 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1097 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1098 __negvdi2): Prototype.
1100 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1102 * toplev.c (display_target_options): Make static to match
1103 prototype. Delete empty declaration.
1105 2000-10-20 Tom Tromey <tromey@cygnus.com>
1107 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1108 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1110 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1112 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1114 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1115 a constant before comparing it; use tree_low_cst.
1116 * tree.c (save_expr): Set TREE_READONLY.
1117 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1118 (build, build1): Set TREE_READONLY if all operands are.
1119 (build_index_type): If upper bound is a negative number, lower
1120 bound is zero and sizetype is unsigned, use upper bound of one and
1123 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1125 * gcc.c (process_command, main): Use "because" instead of
1126 "since" in error messages.
1128 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1130 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1131 Don't use mode of field for record unless sizes are the same.
1132 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1133 previously added for Ada; also change to using host_integerp
1136 * loop.c (strength_reduce): Show when new register made for
1137 giv is known to be a pointer and its aligment if so and known.
1138 (loop_dump_aux): Show VERBOSE parameter unused.
1140 * gcse.c (set_hash_table_size): Now unsigned.
1141 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1142 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1143 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1144 (sdbout_end_epilogue): Remove variable NAME.
1145 * system.h (getopt): Add default definition.
1146 * config/alpha/alpha.c (print_operand): Don't continue processing
1147 after issuing error.
1148 (summarize_insn): Avoid use of UL in constant.
1150 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1152 * fold-const.c (force_fit_type): Unsigned values can overflow
1153 if they are sizetype.
1154 (int_const_binop): Don't use cache if overflows.
1156 2000-10-20 Richard Henderson <rth@cygnus.com>
1158 * function.c (locate_and_pad_parm): Zero alignment_pad.
1160 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1161 perform substitutions, and apply_change_group to see if it worked.
1163 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1167 * combine.c (struct undo): Change int to unsigned int.
1168 (do_SUBST_INT): Args are unsigned int.
1169 (make_extraction, force_to_mode): Use proper type when forming mask.
1170 (make_field_assignment): Likewise.
1172 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1174 * c-common.c (check_format_info_recurse): Extract string constant
1175 initializers from non-volatile constant arrays and check them as
1177 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1178 for DECL_MODE (decl) != BLKmode.
1179 (decl_constant_value_for_broken_optimization): New function which
1180 includes these checks.
1181 (default_conversion, convert_for_assignment, digest_init): Use
1182 decl_constant_value_for_broken_optimization instead of
1183 decl_constant_value.
1185 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1187 * tree.h (DECL_ALIGN_UNIT): New macro.
1189 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1191 * config/avr/avr-protos.h (avr_output_bld): New.
1192 (out_shift_with_cnt): Add t_len argument.
1193 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1194 (output_movqi, output_movhi, output_movsisf): Optimize loading
1195 any constant with exactly one bit set to NO_LD_REGS.
1196 (out_shift_with_cnt): Optimize output code for size or speed,
1197 depending on optimize_size. Handle small shift counts as well
1198 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1199 with or without a scratch register, with help of __tmp_reg__
1200 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1201 length of TEMPLATE in words, return total insn length in *LEN.
1202 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1203 out_shift_with_cnt to work with the above change.
1204 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1205 lshrsi3_out): Likewise. Optimize more known shift count cases.
1206 Remove cases already well optimized in out_shift_with_cnt.
1207 (avr_output_bld): New function.
1208 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1209 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1210 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1211 Add reload_completed to insn condition - only for peepholes.
1212 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1213 in a register or memory.
1214 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1215 Do not require a scratch register.
1216 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1217 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1218 Optimize shifts by known count using a scratch register, but only
1219 if one is still available after register allocation.
1221 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1223 * t-vax: New file. Don't build modules from libgcc1.c.
1225 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1227 * alias.c: (mark_constant_function): Don't check pure functions.
1228 Initialize and end alias analysis.
1229 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1230 Don't make a special exception for recursion. Handle
1231 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1232 unless it's volatile.
1234 * local-alloc.c (equivalence): New structure.
1235 (reg_equiv): Define.
1236 (contains_replace_regs): Remove array and use
1238 (memref_referenced_p): Likewise.
1239 (no_equiv): Likewise.
1240 (update_equiv_regs): Likewise.
1242 (equiv_init_varies_p,
1243 equiv_init_movable_p): New functions.
1244 (update_equiv_regs): Use them. Use rtx_varies_p
1245 instead of function_invariant_p. Process insns
1246 from end to beginning. Allow a REG_EQUIV insn
1247 within the same loop as a use to be moved, also
1248 allow it to be moved out of a loop. Update
1249 REG_DEAD notes when substituting into an insn.
1251 2000-10-19 Jim Wilson <wilson@cygnus.com>
1253 * c-decl.c (start_decl): Check for error_mark_node type before using
1255 (finish_decl): Likewise. Don't give an error if decl type is
1256 already error_mark_node.
1258 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1259 New local update_blocks. Use update_blocks to remove duplicates
1260 when computing update blocks. Check for bblst_table overflow.
1261 (schedule_block): Add explanatory comment. Reduce bblst_size by
1263 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1266 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1268 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1270 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1272 * expmed.c: Minor corrections in comments.
1273 * invoke.texi: Added desciption for the new option -ftrapv.
1275 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1277 * libgcc2.c: Added the missing #endif.
1279 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1281 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1283 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1285 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1286 Use smulv_optab for -ftrapv.
1287 (expand_mult_highpart): Use unsigned multiply.
1288 (expand_divmod): Special-case division by -1.
1289 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1290 For complex divide, use abs with unsigned result.
1291 * expr.c (force_operand): Use unsigned multiply.
1292 (expand_expr): Use overflow-trapping optabs for signed types if
1294 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1295 if the type is signed and the original call wasn't EXPAND_SUM or
1297 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1298 (negv_optab, absv_optab): Declare.
1299 * flags.h (flag_trapv): Declare.
1300 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1301 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1302 (gen_insn): Interpret '$P' as requiring an integer mode,
1303 including partial integer modes.
1304 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1305 (product_cheap_p): Use unsigned expand_mult.
1306 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1307 (negv_optab, absv_optab): Define.
1308 (expand_binop): Use overflow-trapping optabs for signed types if
1310 Handle negv_optab libe neg_optab.
1311 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1312 Use overflow-trapping optabs for signed result if flag_trapv.
1313 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1315 Don't open-code complex absolute-value operation for flag_trapv.
1316 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1317 sdivv_optab, negv_optab and absv_optab.
1318 * toplev.c (flag_trapv): Define.
1319 (lang_independent_options f_options): Include flag_trapv.
1320 * tree.h (TYPE_TRAP_SIGNED): Define.
1321 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1322 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1324 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1325 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1327 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1328 David V. Henkel-Wallace <gumby@cygnus.com>
1330 * config/i386/t-netware: Bring in from the Red Hat tree.
1331 * config/i386/netware.h: Likewise.
1332 * config/netware.h: Likewise.
1333 * config/rs6000/netware.h: Delete.
1334 * configure.in: Add i[34567]86-*-netware.
1335 * configure: Hand-edit to match configure.in change.
1337 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1339 * c-common.h (flag_no_builtin): Declare.
1340 (flag_no_nonansi_builtin): Likewise.
1341 (c_common_nodes_and_builtins): Change prototype.
1342 * c-common.c (flag_no_builtin): New variable.
1343 (flag_no_nonansi_builtin): Likewise.
1344 (c_common_nodes_and_builtins): Remove parameters. Adjust
1346 * c-decl.c (flag_no_builtin): Remove.
1347 (flag_no_nonansi_builtin): Likewise.
1348 (init_decl_processing): Adjust call to
1349 c_common_nodes_and_builtins.
1351 2000-10-18 Marc Espie <espie@openbsd.org>
1353 * tm.texi (LIBGCC_SPEC): Synch with reality.
1355 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1357 * c-common.c (check_format_types): Check for writing through a
1358 NULL pointer argument.
1360 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1362 * tm.texi (Exception Region Output): Document
1363 DWARF_CIE_DATA_ALIGNMENT.
1364 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1366 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1367 DWARF_CIE_DATA_ALIGNMENT.
1369 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1371 * basic-block.h (struct loop): Delete fields pre_header_root
1372 and pre_header_trace and replace with pre_header_edges
1373 and num_pre_header_edges.
1374 * flow.c (flow_loop_dump): Dump pre_header_edges.
1375 (flow_loops_free): Free pre_header_edges.
1376 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1378 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1380 * contrib.texi: Update references to steering committee members
1381 and Jeff Law's entry.
1383 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1385 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1386 (maybe_read_dollar_number, check_format_info_main): Use them for
1387 pedantic warning messages.
1389 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1391 * c-common.c (check_format_info_main): Minor cleanup: move
1392 variables into inner scopes; initialize declarations where
1393 appropriate; don't hardcode "scanf" name on warning for zero
1396 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1398 * c-common.c (back_end_hook): New variable.
1399 * c-common.h (back_end_hook): Declare it.
1400 * c-lang.c (finish_file): Use it.
1402 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1405 2000-10-18 Jan Hubicka <jh@suse.cz>
1407 * i386.c (ix86_comparison_operator, put_condition_code,
1408 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1409 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1410 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1411 * i386.md (adddi and negdi splitter): Use CCRCmode.
1412 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1413 (subsi3_carry): add '*'
1414 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1415 (cmp to add peep2): Use CCRCmode; swap operands.
1417 2000-10-18 Kazu Hirata <kazu@hxi.com>
1419 * h8300.c: Fix a comment typo.
1420 (round_frame_size): New.
1421 (compute_saved_regs): Likewise.
1424 (push_order): Remove.
1425 (pop_order): Likewise.
1426 (function_prologue): Rearrange code for readability.
1427 (function_epilogue): Likewise.
1429 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1430 expander that is used when not optimizing. Output a tab after
1431 each assembly insns.
1433 * reorg.c: Fix formatting.
1435 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1437 * reload1.c (move2add_note_store): Check for simple
1438 auto-inc in destination.
1440 2000-10-17 Michael Chastain <chastain@redhat.com>
1442 * config/i386/i386-aout.h: define INT_ASM_OP.
1444 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1446 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1448 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1450 * i370.md: Fix spelling typo.
1452 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1454 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1455 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1457 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1458 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1461 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1462 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1464 * rs6000/aix.h: ...to here.
1465 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1467 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1469 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1471 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1472 sure linker can relax even the delay slot mov %g1,%o7, fix output
1475 2000-10-17 Kazu Hirata <kazu@hxi.com>
1477 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1478 expander that is used when not optimizing. Output a tab after
1479 each assembly insns.
1481 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1483 * gcc.c: New options --target-help.
1484 (process_command): Added code to parse this new option.
1485 * toplev.c (display_target_options): New function to support the
1487 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1488 (cpp_handle_option): Support this new option.
1489 * invoke.texi: Added notes about --target-help option.
1491 2000-10-17 Graham Stott <grahams@redhat.com>
1493 * config/i386/i386.md (testqi_1): Add missing operand prefix
1495 * config/i386/i386-protos.h: Add missing prototype.
1497 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1499 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1500 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1501 using -mintel-syntax.
1503 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1505 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1506 (format_types): Use it for printf.
1507 (maybe_read_dollar_number): Add parameter for the kind of format
1508 involved. Warn for multiple use for arguments if this is
1509 inappropriate for the kind of format involved.
1510 (check_format_info_main): Update calls to maybe_read_dollar_number.
1512 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1514 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1515 * fixincl.x: Rebuilt.
1517 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1519 * genrecog.c (write_switch): Return the first condition that needs a
1522 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1524 * c-tree.h (warn_sequence_point): Move declaration to...
1525 * c-common.h (warn_sequence_point): ... here.
1526 * c-decl.c (warn_sequence_point): Move definition to...
1527 * c-common.c (warn_sequence_point): ... here.
1528 (struct reverse_tree): New.
1529 (reverse_list, reverse_max_depth): New static variables.
1530 (build_reverse_tree, common_ancestor, modify_ok
1531 verify_sequence_points): New functions.
1532 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1533 * c-typeck.c (check_modify_expr): Delete.
1534 (build_modify_expr): Don't call it.
1536 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1538 * c-common.h (warn_missing_format_attribute): New variable.
1539 * c-decl.c (warn_missing_format_attribute): New variable.
1540 (c_decode_option): Decode -Wmissing-format-attribute and
1541 -Wno-missing-format-attribute.
1542 * c-common.c (check_function_format): If
1543 -Wmissing-format-attribute, give a warning where a vprintf or
1544 vscanf function is called by a function without its own printf or
1546 * toplev.c (documented_lang_options): Add
1547 -Wmissing-format-attribute.
1548 * invoke.texi: Document -Wmissing-format-attribute.
1550 2000-10-17 Marc Espie <espie@openbsd.org>
1552 * invoke.texi (-shared): Insist on requiring code generation flags
1553 to be used along with -shared, and document the subtle failure that
1554 may occur otherwise.
1556 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1558 * pa.md (return_internal): Move `use' after `return'.
1560 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1562 * machmode.def: Correct comment.
1564 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1566 * print-rtl.c (print_rtx_head): Constify.
1567 * rtl.h (print_rtx_head): Similarly.
1569 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1570 Constify char * return value.
1572 (output_64bit_and, output_64bit_ior): Constify char * return value.
1573 (pa_can_combine_p): Make static.
1574 (function_arg): Decorate unused `named' argument. Fix comment typo.
1575 (function_arg_partial_nregs): Decorate unused `named' argument.
1577 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1579 * c-common.c (format_check_results): New structure.
1580 (finish_dollar_format_checking): Adjust to take a
1581 format_check_results * parameter.
1582 (check_format_info, check_format_info_recurse,
1583 check_format_info_main): Split check_format_info into three
1584 functions, the main checking going in check_format_info_main.
1585 Recurse when any reduction of the format string argument towards a
1586 string literal is done; go down both branches of a conditional
1587 expression. Don't warn for extra format arguments or empty format
1588 strings if they only occur in some branches of a conditional
1591 2000-10-16 Kazu Hirata <kazu@hxi.com>
1593 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1595 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1597 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1599 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1601 * i386.md (*movsi_or): Switch operand order for intel syntax.
1603 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1607 * gcc.texi (Contributing): Update.
1609 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1611 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1612 appropriate assembler dialect.
1614 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1616 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1618 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1620 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1621 constants 1 and 2 to NO_LD_REGS.
1623 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1625 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1627 * objc/Make-lang.in (objc-parse.c): Likewise.
1629 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1631 * arm.c: Include obstack.h
1632 (minipool_obstack, minipool_startobj): Define.
1633 (arm_add_gc_roots): Initialize them.
1634 (create_fix_barrier): Use our new obstack.
1635 (push_minipool_barrier, push_minipool_fix): Likewise.
1636 (arm_reorg): Release obstack memory.
1638 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1640 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1641 (prologue, exception_receiver, builtin_setjmp_receiver): New
1643 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1644 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1645 (load_pic_register): New prototype.
1646 * config/sparc/sparc.c (pic_setup_code): Remove.
1647 (finalize_pic): Rename to...
1648 (load_pic_register): ...this function.
1649 Don't look for nonlocal_goto_receivers and emit pic setup code
1650 directly. Don't check current_function_uses_pic_offset_table.
1652 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1654 * tree.h (struct obstack): Declare.
1656 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1659 * Makefile.in (ggc-callbacks.o): Remove target.
1660 (flow.o): Depend on GGC_H.
1661 * alias.c (init_alias_analysis):
1662 Remove ggc_p conditionals.
1663 (end_alias_analysis): Likewise.
1664 * basic-block.h (init_flow): New function.
1665 (allocate_reg_life_data): Declare.
1666 * bb-reorder.c (function_obstack): Replace with ...
1667 (flow_obstack): ... new variable.
1668 (fixup_reorder_chain): Use it.
1669 * c-decl.c (ggc_p): Remove.
1670 (caller-save.c): Don't call oballoc/obfree.
1672 undobuf): Remove storage.
1673 (try_combine): Don't call oballoc.
1674 (undo_all): Don't call obfree.
1675 * cse.c (insert): Use xmalloc, not
1677 (cse_main): Adjust accordingly.
1678 * dwarf2out.c (save_rtx): Remove
1680 (dwarf2out_init): Remove ggc_p conditionals.
1681 * emit-rtl.c (rtl_obstack): Remove.
1682 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1683 (make_insn_raw): Likewise.
1684 (emit_insn_before): Likewise.
1685 (emit_insn_after): Likewise.
1686 (emit_insn): Likewise.
1687 (gen_sequence): Likewise.
1688 (copy_insn_1): Remove handling of `b' RTL components.
1689 (init_emit_once): Remove ggc_p conditionals.
1690 * except.c (create_rethrow_ref): Don't fool with obstacks.
1691 (add_partial_entry): Likewise.
1692 (call_get_eh_context): Likewise.
1693 (begin_protect_partials): Likewise.
1694 (protect_with_terminate): Likewise.
1696 (plus_constant_wide): Likewise.
1697 * expr.c (init_expr_once):
1699 (emit_block_move): Likewise.
1700 (clear_storage): Likewise.
1701 (expand_expr): Likewise.
1702 * flow.c (function_obstack): Remove.
1703 (flow_obstack): New variable.
1704 (flow_firstobj): Likewise.
1705 (create_base_block): Use the flow_obstack.
1706 (split_block): Likewise.
1707 (split_edge): Likewise.
1708 (calculate_global_regs_live): Likewise.
1709 (allocate_bb_life_data): Make it static. Likewiwse.
1710 (init_flow): New function.
1711 (size_int_type_wide): Remove ggc_p conditionals.
1713 (push_function_context_to): Don't call save_tree_status.
1714 (pop_function_context_from): Or restore_tree_status.
1715 (assign_stack_local_1): Don't call push_obstacks.
1716 (find_fixup_replacement): Use xmalloc.
1717 (fixup_var_refs_insns): Free the storage.
1718 (insns_for_mem_walk): Don't mess with obstacks.
1719 (instantiate_decls): Likewise.
1720 (trampoline_address): Likewise.
1721 (expand_function_end): Likewise.
1722 * function.h (sturct function):
1723 Remove obstack-related variables.
1724 (save_tree_status): Don't declare.
1725 (restore_tree_status): Likewise.
1726 * gcse.c (compute_can_copy):
1727 Don't call oballoc/obfree.
1728 * genattrtab.c (operate_exp): Remove
1730 (simplify_cond): Likewise.
1731 (simplify_test_exp): Don't mess with obstacks.
1732 (optimize_attrs): Likewise.
1733 * gengenrtl.c (gendef): Don't include
1735 * ggc-callbacks.c (ggc_p): Remove.
1736 * ggc-none.c (ggc_p): Remove.
1737 * ggc.h (ggc_p): Don't declare.
1738 * integrate.c (save_for_inline): Don't mess with obstacks.
1739 (integrate_decl_tree): Likewise.
1740 (output_inline_function): Likewise.
1742 (init_EXPR_INSN_LIST_cache): Likewise.
1743 * loop.c (temp_obstack):
1745 (rtl_obstack): Likewise.
1746 (init_loop): Don't mess with obstacks.
1747 (reg_address_cost): Free BIVs and GIVs.
1748 (check_insns_for_bivs): Use xmalloc, not oballoc.
1749 (find_mem_givs): Likewise.
1750 (record_biv): Likewise.
1751 (general_induction_var): Likewise.
1752 (product_cheap_p): Likewse.
1753 * optabs.c (init_one_libfunc): Remove
1755 * print-tree.c (debug_tree): Don't use
1757 (print_node): Likewise.
1758 * profile.c (output_func_start_profiler):
1759 Remove call to temporary_allocation.
1761 (eliminate_regs_in_insn): Don't mess with obstacks.
1763 (mark_target_live_regs): Use xmalloc.
1764 (free_resource_info): Free the memory.
1765 * rtl.c (rtl_obstack):
1767 (rtvec_alloc): Don't mess with obstacks.
1768 (rtx_alloc): Likewise.
1770 (copy_rtx): Don't handle `b' cases.
1771 (read_rtx): Use a local rtl_obstack.
1772 * rtl.h (oballoc): Remove.
1774 (pop_obstacks): Likewise.
1775 (push_obstacks): Likewise.
1776 (allocate_bb_life_data): Likewise.
1777 (allocate_reg_life_data): Likewise.
1778 (rtx_free): Likewise.
1779 * sdbout.c (sdbout_queue_anonymous_type):
1780 Use tree_cons, not saveable_tree_cons.
1782 (cselib_init): Don't mess with obstacks.
1784 (mark_block_nesting): Mark the label_chain.
1785 (epxand_label): Use ggc_alloc, not oballoc.
1786 (clear_last_expr): Don't mess with obstacks.
1787 (expand_decl_cleanup): Likewise.
1788 (expand_dcc_cleanup): Likewise.
1789 (expand_dhc_cleanup): Likewise.
1790 (expand_anon_union_decl): Likewise.
1791 (add_case_node): Use xmalloc, not oballoc.
1792 (free_case_nodes): New function.
1793 (expand_end_case): Call it.
1794 * stor-layout.c (layout_type): Don't
1796 (layout_type): Likewise.
1797 * toplev.c (wrapup_global_declarations):
1799 (compile_file): Remove ggc_p conditionals.
1800 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1801 (decode_f_option): Remove ggc_p conditionals.
1803 (function_maybepermanent_obstack): Remove.
1804 (maybepermanent_obstack): Likewise.
1805 (function_obstack): Likewise.
1806 (tmeporary_obstack): Likewise.
1807 (momentary_obstack): Likewise.
1808 (temp_decl_obstack): Likewise.
1809 (saveable_obstack): Likewise.
1810 (rtl_obstack): Likewise.
1811 (current_obstack): Likewise.
1812 (expression_obstack): Likewise.
1813 (struct obstack_stack): Likewise.
1814 (obstack_stack): Likewise.
1815 (obstack_stack_obstack): Likewise.
1816 (maybepermanent_firstobj): Likewise.
1817 (temporary_firstobj): Likewise.
1818 (momentary_firstobj): Likewise.
1819 (temp_decl_firstobj): Likewise.
1820 (momentary_function_firstobj): Likewise.
1821 (all_types_permanent): Likewise.
1822 (struct momentary_level): Likewise.
1823 (momentary_stack): Likewise.
1824 (init_obstacks): Remove initialization of removed obstacks.
1825 (save_tree_status): Remove.
1826 (restore_tree_status): Likewise.
1827 (temporary_allocation): Liekwise.
1828 (end_temporary_allocation): Liekwise.
1829 (resume_temporary_allocation): Likewise.
1830 (saveable_allocation): Likewise.
1831 (push_obstacks): Likewise.
1832 (push_obstacks_nochange): Likewise.
1833 (pop_obstacks): Likewise.
1834 (allocation_temporary_p): Likewise.
1835 (permanent_allocation): Likewise.
1836 (preserve_data): Likewise.
1837 (preserve_initializer): Likewise.
1838 (rtl_in_current_obstack): Likewise.
1839 (rtl_in_saveable_obstack): Likewise.
1840 (oballoc): Likewise.
1842 (savealloc): Likewise.
1843 (expralloc): Likewise.
1844 (print_obstack_name): Likewise.
1845 (debug_obstack): Likewise.
1846 (object_permanent_p): Likewise.
1847 (push_momentary): Likewise.
1848 (perserve_momentary): Likewise.
1849 (clear_momentary): Likewise.
1850 (pop_momentary): Likewise.
1851 (pop_momentary_nofree): Likewise.
1852 (suspend_momentary): Likewise.
1853 (resume_momentary): Likewise.
1854 (make_node): Don't set TREE_PERMANENT.
1855 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1856 Don't set TREE_PERMANENT.
1857 (get_identifier): Remove ggc_p conditionals.
1858 (build_string): Likewise.
1859 (make_tree_vec): Likewise.
1860 (build_decl_list): Remove.
1861 (build_expr_list): Likewise.
1862 (tree_cons): Remove ggc_p conditionals.
1863 (decl_tree_cons): Remove.
1864 (expr_tree_cons): Likewise.
1865 (perm_tree_cons): Likewise.
1866 (temp_tree_cons): Likewise.
1867 (saveable_tree_cons): Likewise.
1868 (build1): Remove ggc_p conditionals.
1869 (build_parse_node): Likewise.
1870 (build_type_attribute_variant): Don't mess with obstacks.
1871 (build_type_copy): Likewise.
1872 (type_hash_canon): Likewise.
1873 (build_pointer_type): Likewise.
1874 (build_reference_type): Likewise.
1875 (build_index_type): Likewise.
1876 (build_range_type): Likewise.
1877 (dump_tree_statistics): Don't print obstack information.
1879 (struct tree_common): Remove permanent_flag.
1880 (TREE_PERMANENT): Remove.
1881 (TREE_SET_PERMANENT): Likewise.
1882 (TYPE_OBSTACK): Likewise.
1883 (struct tree_type): Remove obstack.
1885 (savealloc): Likewise.
1886 (build_decl_list): Likewise.
1887 (build_expr_list): Likewise.
1888 (perm_tree_cons): Likewise.
1889 (temp_tree_cons): Likewise.
1890 (saveable_tree_cons): Likewise.
1891 (decl_tree_cons): Likewise.
1892 (expr_tree_cons): Likewise.
1893 (suspend_momentary): Likewise.
1894 (allocation_temporary_p): Likewise.
1895 (resume_momentary): Likewise.
1896 (push_obstacks_nochange): Likewise.
1897 (permanent_allocation): Likewise.
1898 (push_momentary): Likewise.
1899 (clear_momentary): Likewise.
1900 (pop_momentary): Likewise.
1901 (end_temporary_allocation): Likewise.
1902 (pop_obstacks): Likewise.
1903 (push_obstacks): Likewise.
1904 (pop_momentary_nofree): LIkewise.
1905 (preserve_momentary): Likewise.
1906 (saveable_allocation): Likewise.
1907 (temporary_allocation): Likewise.
1908 (resume_temporary_allocation): Likewise.
1909 (perserve_initializer): Likewise.
1910 (debug_obstack): Likewise.
1911 (rtl_in_current_obstack): Likewise.
1912 (rtl_in_saveable_obstack): Likewise.
1914 * varasm.c (current_obstack): Remove.
1915 (saveable_obstack): Remove.
1916 (rtl_obstack): Remove.
1917 (immed_double_const): Don't mess with obstacks.
1918 (immed_real_cons): Likewise.
1919 (output_constant_def): Likewise.
1920 (init_varasm_status): Use xcalloc.
1921 (mark_pool_constant): Mark the pool constant itself.
1922 (free_varasm_status): Free memory.
1923 (decode_rtx_const): Call bzero directly, rather than expanding it
1925 (record_rtx_const): Don't mess with obstacks.
1926 (force_const_mem): Likewise.
1927 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1929 (aof_pic_entry): Likewise.
1930 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1931 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1932 * config/pa/pa.c (saveable_obstack): Remove.
1933 (rtl_obstack): Likewise.
1934 (current_obstack): Likewise.
1935 (output_call): Don't mess with obstacks.
1936 (hppa_encode_label): Remove ggc_p conditionals.
1937 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1938 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1939 (rs6000_encode_section_info): Likewise.
1940 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1942 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1944 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1945 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1946 (addsi3_carry): Canonicalize.
1947 (addqi_5): Remove '*'.
1948 (sbb pattern): Canonicalize.
1950 * i386.md (cmp to inc/add peep2): New.
1952 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1954 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1957 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1959 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1960 * README.TRAD, TESTS.FLUNK: Remove.
1962 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1964 * c-common.c (decl_attributes): Don't allow strftime formats with
1965 first_arg_num nonzero.
1966 (check_format_info): Set wanted_type and wanted_type_name to zero
1967 before they are possibly assigned and used.
1969 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1971 * c-common.c (scanf_flag_specs): Add flags ' and I.
1972 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1973 or the ^ and # flags together.
1974 (scan_char_table): Handle the ' and I flags.
1975 (format_types): Add ' and I flags for scanf.
1977 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1979 * c-common.c (print_char_table): Use the unpromoted type for
1980 lengths "h" and "hh" with conversions dioxXu.
1981 (check_format_types): Apply the default argument promotions where
1982 the wanted type is not a pointer target.
1984 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1985 Joseph S. Myers <jsm28@cam.ac.uk>
1987 * c-typeck.c (check_modify_expr): New function.
1988 (build_modify_expr): Call it if warn_sequence_point.
1989 * c-decl.c (warn_sequence_point): New variable.
1990 (c_decode_option): Handle -Wsequence-point and
1991 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1992 * c-tree.h (warn_sequence_point): Declare.
1993 * invoke.texi (-Wsequence-point): Document.
1994 * toplev.c (documented_lang_options): Add -Wsequence-point and
1995 -Wno-sequence-point.
1996 Original work by Michael Meeks, 16 Jun 1998.
1998 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2000 * tree.c (get_narrower): Don't look at precision of field if
2003 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2005 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2006 declaration for data with "progmem" attribute.
2008 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2010 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2011 Correct insn length if shift count is a memory operand.
2012 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2013 (*iorhi3_clobber): Change lo8 to hi8.
2014 (zero_extendhisi2): Change %B0 to %A1.
2015 (ashlhi3, ashrhi3): Correct insn length.
2016 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2017 from "clobber" to "set_n" in some alternatives.
2019 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2021 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2022 remove its insn_chain structure as well.
2024 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2026 * dbxout.c (dbxout_source_line): Remove extra tab.
2028 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2030 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2032 2000-10-09 Richard Henderson <rth@cygnus.com>
2034 * Makefile.in (LANG_LIB2FUNCS): Remove.
2035 (LIB2FUNCS): Remove _pure.
2036 (LIB2ADD): Remove LANG_LIB2FUNCS.
2037 (stage_a): Don't set LANG_LIB2FUNCS.
2038 * libgcc2.c (__terminate): Mark noreturn.
2039 (__pure_virtual): Remove.
2040 * mklibgcc.in: Remove LIB2ADD .txt processing.
2042 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2044 * arm.md (push_multi): Revert unintended change.
2046 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2048 * arm.c: Miscellaneous white space and comment clean-ups. No
2052 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2055 STRING_CST by calling combine_strings.
2057 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2059 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2060 (thumb_output_move_mem_multiple): Support new insn format.
2061 * arm.md (movmem12b): Use SSA compatible format.
2062 (movmem8b): Likewise.
2064 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2066 * arm.md (predicable): New attribute, default to "no".
2067 (all patterns): Mark as predicable if appropriate.
2068 (conditional execution splits): Split using predication format.
2069 (define_cond_exec): Define.
2070 * arm.c (arm_print_operand): handle insn predicate.
2072 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2074 * README.NS32K: Remove file.
2076 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2078 * README-bugs: Remove file.
2080 2000-10-08 Philipp Thomas <pthomas@suse.de>
2081 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2083 * configure: Rebuilt.
2085 2000-10-08 Philipp Thomas <pthomas@suse.de>
2086 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2087 disable catalog building if no suitable program was found.
2088 Move warning message from here
2089 (AM_GNU_GETTEXT): To here.
2090 * configure: Rebuilt.
2092 2000-10-08 Philipp Thomas <pthomas@suse.de>
2093 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2094 different cache variables.
2095 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2096 uses different cache variables.
2097 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2098 * configure: Regenerated.
2100 2000-10-08 Richard Henderson <rth@cygnus.com>
2102 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2103 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2104 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2107 * config/t-linux (SHLIB_EXT): New.
2108 (SHLIB_LINK): Use the entire build command, with substitutions.
2109 (SHLIB_LIBS): Remove.
2110 * config/alpha/t-osf4: Likewise.
2111 * config/mips/t-iris6: Likewise.
2112 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2113 * config/sparc/t-slibgcc-sld: ...here.
2114 * config/sparc/t-slibgcc: New file.
2116 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2118 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2119 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2121 (intmax_type_node, uintmax_type_node): Define.
2122 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2123 attributes create a type wider than intmax_t.
2124 (T_IM, T_UIM): Define properly.
2125 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2127 (init_decl_processing): Initialize intmax_type_node and
2129 * c-lex.c (lex_number): When pedantic and warning for integer
2130 constants that are too large, in C99 mode warn for those that have
2131 a type wider than long long.
2133 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2135 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2136 FMT_FLAG_FANCY_PERCENT_OK): Define.
2137 (format_char_info): Add flag "4" to comment.
2138 (format_flag_spec, format_flag_pair): New structures.
2139 (format_kind_info): Add additional fields to control format
2141 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2142 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2144 (time_char_table): Use "4" flag to handle %Ey.
2145 (format_types): Add entries for new fields.
2146 (get_flag_spec): New function.
2147 (check_format_info): Increase size of flag_chars[] to 256.
2148 Control format checking using the new fields of a format_kind_info
2149 and the new tables; remove all conditionals on printf_format_type,
2150 scanf_format_type or strftime_format_type. Handle all details of
2151 bad combinations of flags (including width, precision and strftime
2152 modifiers) through data rather than ad hoc code. Handle all
2153 details of standard versions in which flags appeared through
2154 data. Use the "4" flag.
2156 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2158 * config/h8300/h8300.md: Remove the memory alternative and correct
2159 the insn lengths in the templates for sign extention and zero
2162 2000-10-07 Richard Henderson <rth@cygnus.com>
2164 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2165 * flow.c (make_edges): Revert last change.
2167 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2169 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2171 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2173 * config/alpha/elf.h: Standardize the formatting.
2175 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2177 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2180 2000-10-06 Richard Henderson <rth@cygnus.com>
2182 * function.c (diddle_return_value): Examine
2183 current_function_return_rtx instead of the DECL_RESULT.
2184 (expand_function_end): Handle reloading DECL_RESULT from memory
2185 into a hard register. Query promote_mode for sign of mismatched
2188 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2190 * haifa-sched.c (schedule_insns): Fix typo in freeing
2191 forward_dependency_cache.
2193 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2195 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2196 `TARGET_SH2' as a condition.
2198 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2200 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2201 forward_dependency_cache): New variables.
2202 (add_dependence, remove_dependence): Use anti_dependency_cache and
2203 output_dependency_cache.
2204 (compute_block_forward_dependences): Use forward_dependency_cache.
2205 (schedule_insns): Allocate and free memory for anti/output/forward
2206 dependencies caches.
2208 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2210 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2211 `! TARGET_SH1'. Reindent.
2213 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2216 Move functions from here ...
2218 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2220 (c_expand_builtin): New function.
2221 (init_function_format_info): Don't set `check_function_format_ptr'.
2222 (c_common_nodes_and_builtins): Set built_in_class type for
2223 printf/__builtin_printf to BUILT_IN_FRONTEND.
2224 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2226 * c-common.h (build_function_call): Declare.
2228 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2229 to `lang_expand_expr' rather than `expand_builtin'.
2231 * tree.c (check_function_format_ptr): Delete.
2233 * tree.h (check_function_format_ptr): Likewise.
2235 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2237 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2238 DW_OP_bregx when cfa->reg > 31.
2240 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2243 2000-10-05 Richard Henderson <rth@cygnus.com>
2245 * c-decl.c (warn_missing_noreturn): Remove.
2246 (c_expand_body): Don't set or check can_reach_end.
2247 * c-tree.h (warn_missing_noreturn): Move ...
2248 * flags.h: ... here.
2249 (can_reach_end): Remove.
2250 * flow.c (check_function_return_warnings): New.
2251 (make_edges): No edge to exit for noreturn sibcalls.
2252 * function.c (expand_function_end): Save the return value
2253 clobber instruction.
2254 (mark_function_status): Mark it.
2255 * function.h (struct function): Add x_clobber_return_insn.
2256 * jump.c (can_reach_end): Remove.
2257 (calculate_can_reach_end): Remove.
2258 (jump_optimize_1): Don't call it.
2259 * output.h (check_function_return_warnings): Declare.
2260 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2261 (rest_of_compilation): Call check_function_return_warnings.
2263 2000-10-05 Richard Henderson <rth@cygnus.com>
2265 * Makefile.in (NM_FOR_TARGET): New.
2266 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2267 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2268 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2269 shared library build on that and EXTRA_MULTILIB_PARTS.
2270 * mkmap-flat.awk: New file.
2271 * mkmap-symver.awk: New file.
2272 * libgcc-std.ver: New file.
2273 * config/libgcc-glibc.ver: New file.
2274 * config/ia64/libgcc-ia64.ver: New file.
2275 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2276 (SHLIB_LINK): Add --version-script.
2277 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2278 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2279 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2280 (SHLIB_LINK): Add -M.
2282 2000-10-05 Richard Henderson <rth@cygnus.com>
2284 * Makefile.in (LIB2FUNCS): Add _clz.
2285 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2286 (__clz_tab): Put in its own unit, non-static.
2287 * libgcc2.h: Always include longlong.h.
2289 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2290 a zero instead of -1.
2291 (count_trailing_zeros): Likewise.
2293 2000-10-05 Richard Henderson <rth@cygnus.com>
2295 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2296 when second op1 is const0_rtx. Validate op0 as a register.
2297 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2298 in the first argument of the compare.
2299 (setcc_swapped_internal): Likewise.
2300 (setne_internal): Likewise.
2302 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2304 * tree.c (tree_size): New function split out of copy_node.
2305 (make_node): Remove obstack handling. Use tree_size.
2306 (copy_node): Use tree_size.
2307 * tree.h: Prototype tree_size.
2309 2000-10-05 Richard Henderson <rth@cygnus.com>
2311 * diagnostic.c (output_format): Add missing break.
2313 2000-10-05 Jim Wilson <wilson@cygnus.com>
2315 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2316 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2317 sequence insn to INSN, and delete last sequence insn.
2319 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2321 * gcc.c (main): Include generated configargs.h header
2322 and use arguments in '-v' output.
2324 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2326 * gcc.c: Move data on prefixes forward in file and reorganize.
2327 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2328 Always define, but make null if no value.
2329 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2330 and "md_startfile_prefix_1".
2331 (main): Check whether md_exec_prefix and the others are the
2332 null string rather than whether the macro is defined.
2334 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2336 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2337 from PSImode to SImode.
2339 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2341 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2342 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2343 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2346 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2348 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2349 negation in proper type.a
2351 2000-10-04 Richard Henderson <rth@cygnus.com>
2353 * configure.in (enable-shared): New.
2354 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2355 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2356 * mklibgcc.in: Use them to link shared a libgcc.
2357 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2358 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2359 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2360 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2362 * configure.in (alpha-osf*): Use t-osf and x-osf.
2363 * config/alpha/t-osf: New file.
2364 * config/alpha/t-osf4: New file.
2365 * config/alpha/x-osf: New file.
2366 * config/alpha/x-alpha: Remove file.
2368 2000-10-04 Will Cohen <wcohen@redhat.com>
2370 * c-typeck.c (process_init_element): Added warning for zero-length
2373 * extend.texi (Zero Length): State that static initializers for
2374 zero-length arrays are not allowed.
2376 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2378 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2381 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2383 * config/float-c4x.h: New.
2384 * configure.in (c4x-*): Set float_format to c4x.
2385 * configure: Regenerate.
2387 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2390 compilation for solaris versions 2.7 and greater.
2392 2000-10-02 Marc Espie <espie@openbsd.org>
2394 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2395 instead of redefining from scratch.
2397 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2399 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2401 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2403 * config/ns32k/genix.h: Remove.
2404 * config/ns32k/x-genix: Likewise.
2405 * config/ns32k/xm-genix.h: Likewise.
2406 * config/fx80: Remove all filee in directory.
2407 * config/pyr: Likewise.
2408 * config/tahoe: Likewise.
2409 * config/gmicro: Likewise.
2410 * config/spur: Likewise.
2411 * configure.in: Remove configury bits for above targets.
2412 * configure: Regenerated.
2414 * configure.in: Don't configure chill by default.
2415 * configure: Regenerated.
2417 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2418 (lang_mark_false_label_stack): Remove.
2419 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2420 <top level> string in GC area.
2421 (mark_splay_tree_node): New function.
2422 (mark_splay_tree): Likewise.
2423 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2425 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2426 * ggc-common.c (lang_mark_false_label_stack): Change type.
2427 * ggc.h (ggc_alloc_string): Add comment.
2428 (ggc_strdup): New function.
2430 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2432 * config/avr/avr.h (BRANCH_COST): Define as 0.
2434 * config/pdp11/pdp11.c: #include "tree.h" added.
2436 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2438 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2439 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2440 with known shift count.
2441 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2442 New alternative for shift count 2 with no scratch register.
2443 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2444 "set_n" for shift counts 1 and 2.
2446 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2448 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2449 the mask value from the individual SET operations.
2450 (return_internal_si): Move the USE after the RETURN.
2451 (return_internal_di): Likewise.
2452 (return_and_restore_fpregs_si): Likewise.
2453 (return_and_restore_fpregs_di): Likewise.
2454 (return_eh_si): Likewise.
2455 (return_eh_di): Likewise.
2456 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2458 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2459 Don't generate a PARALLEL around a single operation movsi_to_cr.
2460 Generate the RETURN first in any PARALLELs.
2462 * rtlanal.c (single_set_1): Use fatal_insn to display the
2463 invalid insn. Check for more cases when a USE or CLOBBER occurs
2465 * Makefile.in: Update dependencies for rtlanal.o.
2467 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2469 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2471 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2473 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2474 Consistently use @email for formatting email addresses.
2476 2000-09-29 Richard Henderson <rth@cygnus.com>
2478 * cse.c (notreg_cost): New argument outer.
2479 (COST): Pass in SET to notreg_cost
2481 (fold_rtx): Use COST_IN. Prefer constants when costs
2484 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2486 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2487 * fixinc/fixincl.x: Regenerate.
2489 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2491 * loop.c (check_final_value): A GIV is not replaceable if used
2494 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2496 * version.c: Bump to gcc-2.97.
2498 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2500 * final.c (final_scan_insn): Remove extra extract_insn call;
2501 Use caching for constrain_operands.
2502 (cleanup_subreg_operands): Use caching for extract_insn.
2503 * recog.c (constrain_operands_cached): New.
2504 * recog.h (constrain_operands_cached): Declare.
2505 * i386.c (ix86_attr_length_immediate_default,
2506 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2509 * recog.c (asm_noperands): Tweak.
2510 (extract_insn): Do not call asm_noperads for non-asm instructions.
2512 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2514 * recog.c (recog_memoized): Rename to recog_memoized_1.
2515 * recog.h (recog_memoized): Rename to recog_memoized_1.
2516 (recog_memoized): New macro.
2517 * rtl.h (single_set): Rename to single_set_1
2518 (single_set): New macro.
2519 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2522 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2523 Do not use match_dup of input operands at outputs.
2524 Use register_operand for memory expression.
2525 (rep_movsi): Put use last, canonicalize.
2526 Use register_operand for memory expression.
2527 (rep_movqi): Put use last.
2528 Use register_operand for memory expression.
2529 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2530 of input operands at outputs. Use register_operand for memory
2532 (rep_stossi): Put use last; canonicalize; fix match_dup in
2533 the address expression
2534 (rep_stosqi): Likewise.
2535 (memcmp expander): Update calls.
2536 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2539 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2541 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2543 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2545 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2546 Contains the old contents of config/i386/freebsd.h
2547 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2548 Contains the old contents of config/i386/freebsd-elf.h
2549 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2550 config/i386/freebsd.h.
2551 * configure.in: Adjust for above changes.
2552 * po/POTFILES.in: Likewise.
2553 * po/en_GB.po: Likewise.
2554 * po/gcc.pot: Likewise.
2555 * configure: Rebuilt.
2557 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2559 * doloop.c (doloop_modify): Prevent delete_insn() from
2560 deleting too much. Prefer loop->top over loop->start as
2561 target for the new JUMP insn.
2562 (doloop_valid_p): Ignore loop with exit_count != 0.
2564 2000-09-28 Philipp Thomas <pthomas@suse.de>
2566 * invoke.texi (i386 Options): Add athlon to table of possible
2569 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2571 * diagnostic.h (output_clear_message_text): New function.
2572 (output_message_text): New macro.
2574 * diagnostic.c (clear_text_info): Rename to
2575 output_clear_message_text.
2576 (output_clear): Adjust.
2577 (output_finish): Rename to output_finalize_message. Tweek.
2578 (output_to_stream): Adjust.
2580 2000-09-28 Neil Booth <neilb@earthling.net>
2582 * cpperror.c (_cpp_begin_message): Do the test for suppression
2583 of warnings and pedantic warnings before the "is a warning an
2585 * cppinit.c (cpp_handle_option): Remove surplus \n.
2586 * cpplex.c (ON_REST_ARG): Delete.
2587 (skip_block_comment): Initialise prevc.
2588 (parse_args): Improve error messages.
2589 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2591 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2592 * cppmain.c (main): Set callbacks for #ident and #pragma
2593 only if no_output option is false.
2594 (do_pragma_implementation): Only call the #pragma handler
2595 if it is set in the cpp_reader structure.
2597 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2599 * integrate.c (copy_insn_list): if an ignored return value
2600 is being clobbered, skip cloning that into the inline copy.
2602 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2604 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2605 use @uref for formatting URLs.
2607 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2609 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2612 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2614 * gcc.c (cpp_options): Add spec for -ftabstop=.
2615 (invoke_as): New spec that handles invoking as.
2616 Update specs to handle -save-temps and -traditional.
2617 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2619 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2620 invoke_as, and handle -save-temps and -traditional (if
2623 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2625 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2627 (function_arg_slotno): Accept TImode/CTImode.
2628 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2631 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2633 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2636 2000-09-25 Jim Wilson <wilson@cygnus.com>
2638 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2639 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2640 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2641 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2643 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2645 * cpplex.c (parse_args): Don't set VOID_REST flag.
2646 (CONTEXT_VARARGS): New flag.
2647 (maybe_paste_with_next): Set context earlier in loop. Use
2648 it. Do varargs test with CONTEXT_VARARGS flag.
2649 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2650 pushing an argument context for a varargs argument.
2651 * cpplib.h (VOID_REST): Delete.
2652 * gcc.dg/cpp/vararg1.c: Add test case.
2654 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2656 * flags.h: Declare warning flag warn_system_headers.
2657 * toplev.c: Define it.
2658 (W_options): Add option -Wsystem-headers.
2659 * diagnostic.c (count_error): Test warn_system_headers.
2660 * invoke.texi: Add description for -Wsystem-headers.
2661 * cpplib.h (cpp_options): New member warn_system_headers.
2662 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2663 CPP_IN_SYSTEM_HEADER.
2664 * cpplib.c (do_import, do_pragma_once): Likewise.
2665 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2666 and CPP_IN_SYSTEM_HEADER.
2667 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2668 (print_help): Describe -Wsystem_headers.
2669 * cpplex.c (lex_line): Reorganize condition so that warnings
2670 about C++ comments in system headers can be enabled. Remove
2671 label do_line_comment.
2673 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2675 * cpplex.c (save_comment): Only store the initial '/'
2677 (lex_token): Combine handling of the two comment types.
2678 Pass everything but the initial '/' to save_comment.
2680 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2682 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2683 _cpp_can_paste): New library-internal prototypes.
2684 * cpplex.c (dump_param_spelling, output_line_command,
2685 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2686 cpp_printf, cpp_output_list): Move to cppoutput.c.
2687 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2688 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2690 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2691 dump_param_spelling, output_line_command, cpp_scan_buffer,
2692 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2694 * Makefile.in: Add cppoutput.c.
2695 * po/POTFILES.in: Add cppoutput.c.
2697 2000-09-25 Richard Henderson <rth@cygnus.com>
2699 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2700 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2701 split until after reload.
2702 (rotlsi3, rotldi3): New.
2704 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2706 * diagnostic.c (output_last_position): Define.
2707 (set_real_maximum_length): Tweek.
2708 * diagnostic.h (output_last_position): Declare.
2710 2000-09-25 Kazu Hirata <kazu@hxi.com>
2712 * config/i386/i386.c: Fix formatting.
2714 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2716 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2717 UNITS_PER_WORD is small.
2719 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2721 * c-common.c (format_char_info): Add flags2; update comments.
2722 (print_char_table, scan_char_table, time_char_table): Split some
2723 flags out into flags2.
2724 (check_format_info): Use flags2 for those flags, for identifying
2725 the initial character of a scanf scanset, and for identifying
2726 printf formats where the '0' flag is ignored with precision.
2728 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2730 Changes below marked "here" add TABs on either or both sides,
2731 covering start of line, up to any operand for all noted .*ASM.*_OP
2732 definitions. All callers changed.
2733 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2734 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2735 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2736 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2737 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2738 Fix typos in description for LONG_LONG_TYPE_SIZE and
2739 FINI_SECTION_ASM_OP.
2740 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2741 why these defaults don't have leading spacing.
2742 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2743 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2744 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2745 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2746 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2747 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2748 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2749 * varasm.c (ASM_STABS_OP): Here.
2750 * xcoffout.h (ASM_STABS_OP): Here.
2751 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2752 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2753 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2754 STRING_ASM_OP): Here.
2755 * config/freebsd.h (IDENT_ASM_OP): Here.
2756 * config/linux-aout.h (SET_ASM_OP): Here.
2757 * config/linux.h (SET_ASM_OP): Here.
2758 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2760 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2761 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2762 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2763 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2765 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2766 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2767 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2768 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2769 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2770 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2771 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2772 * config/a29k/udi.h (INT_ASM_OP): Here.
2773 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2774 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2776 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2777 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2778 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2779 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2780 ASM_STABD_OP): Here.
2781 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2782 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2783 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2784 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2785 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2786 SIZE_ASM_OP, STRING_ASM_OP): Here.
2787 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2788 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2789 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2790 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2791 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2792 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2794 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2795 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2796 * config/arm/coff.h (INT_ASM_OP): Here.
2797 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2798 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2799 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2800 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2801 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2802 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2803 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2804 STRING_ASM_OP): Here. Update documentation copy in comments.
2805 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2806 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2807 DATA_SECTION_ASM_OP): Here.
2808 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2810 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2811 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2812 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2813 BSS_SECTION_ASM_OP): Here.
2814 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2815 BSS_SECTION_ASM_OP): Here.
2816 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2818 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2819 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2820 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2821 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2822 BSS_SECTION_ASM_OP): Here.
2823 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2824 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2825 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2826 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2827 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2829 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2830 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2832 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2833 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2834 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2835 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2837 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2838 * config/i386/netbsd.h (INT_ASM_OP): Here.
2839 * config/i386/openbsd.h (INT_ASM_OP): Here.
2840 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2841 IDENT_ASM_OP): Here.
2842 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2843 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2844 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2845 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2846 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2847 SHARED_BSS_SECTION_ASM_OP): Here.
2848 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2849 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2850 DATA_SECTION_ASM_OP): Here.
2851 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2852 CONST_SECTION_ASM_OP): Here.
2853 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2854 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2855 BSS_SECTION_ASM_OP): Here.
2856 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2857 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2858 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2859 BSS_ASM_OP): Here, but use trailing spaces.
2860 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2861 DATA_SECTION_ASM_OP): Here.
2862 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2864 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2865 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2866 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2867 TDESC_SECTION_ASM_OP): Here.
2868 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2869 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2870 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2872 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2873 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2874 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2875 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2876 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2877 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2878 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2879 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2880 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2881 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2882 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2883 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2885 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2886 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2887 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2888 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2889 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2890 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2891 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2892 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2893 GLOBAL_ASM_OP): Here.
2894 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2895 BSS_SECTION_ASM_OP): Here.
2896 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2897 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2898 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2899 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2901 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2902 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2903 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2904 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2905 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2906 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2907 but use trailing spaces.
2908 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2909 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2910 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2912 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2913 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2914 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2915 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2916 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2917 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2918 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2919 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2920 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2921 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2922 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2923 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2925 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2926 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2927 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2928 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2929 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2930 DTORS_SECTION_ASM_OP): Here.
2931 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2932 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2933 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2934 BSS_SECTION_ASM_OP): Here.
2935 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2936 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2937 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2938 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2939 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2940 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2941 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2942 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2944 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2946 * config/mips/osfrose.h (SET_ASM_OP): Here.
2947 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2948 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2949 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2950 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2952 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2953 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2954 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2955 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2956 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2957 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2959 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2961 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2962 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2963 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2965 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2966 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2967 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2968 * config/sparc/linux64.h (COMMON_ASM_OP,
2969 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2970 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2971 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2972 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2973 * config/sparc/pbd.h (ASM_INT_OP): Here.
2974 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2975 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2976 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2977 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2978 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2979 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2980 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2981 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2982 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2983 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2984 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2985 EH_FRAME_SECTION_ASM_OP): Here.
2986 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2987 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2989 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2991 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2992 TCOMMON_ASM_OP): Here.
2993 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2995 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2998 2000-09-25 Richard Henderson <rth@cygnus.com>
3000 * expmed.c (store_bit_field): Adjust last change to not consider
3001 any word-sized field naturally aligned.
3003 2000-09-24 Richard Henderson <rth@cygnus.com>
3005 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3006 TFmode unordered compares properly. Revalidate integer compare
3008 (alpha_emit_setcc): New.
3009 (alpha_emit_conditional_move): Revalidate integer compare operands.
3010 * config/alpha/alpha-protos.h: Update.
3011 * config/alpha/alpha.md (cmpdi): Allow general operands.
3012 (sne): Use alpha_emit_setcc.
3013 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3014 (sunordered, sordered): New.
3016 2000-09-24 Richard Henderson <rth@cygnus.com>
3018 * config/ia64/ia64-protos.h: Update.
3019 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3020 (ia64_expand_call): New.
3021 (ia64_expand_prologue): Emit an alloc if we need extra input
3023 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3024 instruction if true.
3025 (struct reg_flags): Add is_sibcall.
3026 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3027 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3028 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3029 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3030 * config/ia64/ia64.md (call): Use ia64_expand_call.
3031 (call_value): Likewise.
3032 (sibcall, sibcall_value): New.
3033 (call patterns): Remove extra expanders; tidy.
3034 (sibcall_epilogue): New.
3035 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3037 2000-09-24 Richard Henderson <rth@cygnus.com>
3039 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3041 * sibcall.c (skip_pic_restore): New.
3042 (identify_call_return_value): Use it.
3044 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3046 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3047 functions. Generalize to handle both C and C++.
3048 * Makefile.in (c-tree.info): New target.
3049 (info): Add c-tree.info.
3051 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3053 * expr.c (store_field): If BITSIZE is negative, use size of type.
3054 (expand_expr, case COMPONENT_EXPR): Likewise.
3056 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3058 * cpplex.c: Update TODO comment.
3059 * cpplib.c (do_error, do_warning): Merge common code of
3060 do_error and do_warning into do_diagnostic. Use it.
3061 (do_diagnostic): New function.
3062 * cpplib.h: Fix comment typo.
3064 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3066 * c-common.c (check_format_info): Warn for a wide character string
3067 used as a non-wide format argument.
3069 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3071 * builtins.def (BUILT_IN_LLABS): Add.
3072 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3073 * c-common.c (c_common_nodes_builtins): Create builtin functions
3074 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3075 outside of C99 mode.
3076 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3078 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3080 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3081 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3082 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3083 _cpp_free_toklist): No need to worry about extra dummy token
3084 at the start of token lists any more.
3085 (trigraph_ok): Only warn outside comments.
3086 (skip_block_comment): Set and clear lexing_comment.
3087 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3088 Set and clear lexing_comment.
3089 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3090 (check_long_token): Delete.
3091 (lex_percent, lex_dot): New subroutines of lex_token to
3092 handle lexing of '.' and '%' without lookback.
3093 (lex_token): Use lex_dot and lex_percent.
3094 (lex_line): Don't check for LIST_OFFSET.
3095 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3096 * cpplib.c (_cpp_parse_assertion): Similarly.
3097 (cpp_push_buffer): Initialize extra_char.
3098 * cpplib.h (LIST_OFFSET): Delete.
3099 (struct cpp_buffer): New member extra_char.
3100 (struct lexer_state): New members lexing_comment and seen_dot.
3102 2000-09-23 Jason Merrill <jason@redhat.com>
3104 * config/rs6000/x-aix41 (CLIB): Define here.
3105 * config/rs6000/t-aix43: Not here.
3106 * config/rs6000/t-aix41: Or here. Remove.
3107 * configure.in: Don't use it.
3109 2000-09-22 Jason Merrill <jason@redhat.com>
3111 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3112 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3113 * config.in: Regenerate.
3115 * configure.in: Fix checks for assembler features when using a
3116 one-tree assembler that has not yet been built.
3117 Fix --disable-threads.
3119 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3121 * stmt.c (expand_asm_operands): Allow # in constraints.
3123 2000-09-22 Jason Merrill <jason@redhat.com>
3125 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3127 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3128 function-local names.
3130 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3131 Mark Mitchell <mark@codesourcery.com>
3133 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3134 * flags.h (warn_disabled_optimization): Add it here.
3135 * gcse.c (gcse_main): Add warning when disabled.
3136 * invoke.texi: Document -Wdisabled-optimization.
3138 2000-09-21 Jason Merrill <jason@redhat.com>
3140 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3142 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3143 (gen_variable_die): Call it for non-definitions.
3145 * dwarf2out.c (die_struct): Add die_mark field.
3146 (mark_dies, unmark_dies): New fns.
3147 (clear_die_sizes): Remove.
3148 (print_die): Check die_symbol rather than die_offset.
3149 (build_abbrev_table, output_pubnames, output_aranges): Check
3150 die_mark rather than die_offset.
3151 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3154 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3156 * cppfiles.c (lookup_include_file): Rename to open_file.
3157 Always create a splay tree value, even on syscall failures.
3158 Negative entries indicated by fd == -2.
3159 Re-open files closed in the meantime.
3160 (_cpp_fake_include): Create a negative splay tree entry.
3161 (find_include_file, cpp_read_file): Update for function name
3163 * gcc.gd/cpp/mi4.c: Testcase.
3165 2000-09-21 Nick Clifton <nickc@redhat.com>
3167 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3168 ARM and THUMB modes.
3170 * config/mcore/mcore.c: Fix compile time warnings.
3171 * config/mcore/mcore-protos.h: Fix compile time warnings.
3173 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3175 * configure.in: Correct test of gcc_cv_glibc.
3176 * configure: Rebuilt.
3177 * config.in: Rebuilt.
3179 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3182 (expand_builtin): Handle BUILT_IN_FWRITE.
3184 * builtins.def (BUILT_IN_FWRITE): New entry.
3186 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3188 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3190 * gcc.c (modify_target): New variable and struct.
3191 (process_command): Handle MODIFY_TARGET_NAME.
3192 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3193 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3195 * c-decl.c (finish_decl): Add else's to avoid referencing
3196 TYPE_DOMAIN of an ERROR_MARK.
3198 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3200 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3203 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3205 * config/avr/avr.md (neghi2): Add alternative for input and output
3206 operands in different registers, as in negsi2.
3207 (*negsi2): Remove '*' from the name. Use "movw" if available.
3209 2000-09-19 Jim Wilson <wilson@cygnus.com>
3211 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3212 HAVE_GAS_HIDDEN macro.
3214 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3216 * cpplex.c (lex_line): Drop the EOF token for unknown
3217 directives in assembler.
3219 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3221 * configure.in: Allow enable_threads_flag value of "aix". Define
3222 thread_file as "aix" for AIX 4.3 and above.
3223 * configure: Regenerated.
3225 * gthr-aix.h: New file.
3227 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3228 Remove 403 processor multilib match. Fix rios2 processor multilib
3231 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3232 to return to appropriate csect.
3234 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3236 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3238 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3239 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3242 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3245 * c-common.c (init_function_format_info): Handle __builtin_printf.
3246 Set `check_function_format_ptr'.
3247 (c_common_nodes_and_builtins): Set `puts_ftype' and
3248 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3249 __builtin_printf and printf.
3251 * tree.c, tree.h (check_function_format_ptr): Declare.
3253 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3255 * cppfiles.c (read_include_file): Take no special action for
3258 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3260 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3261 rather than that of branch.
3262 (shorten_branches): Don't increment insn_current_address twice.
3264 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3265 * loop.h (struct induction): Delete members derived, ix and last_use.
3266 (struct loop_ivs): Delete members first_increment_giv and
3268 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3269 recombine_givs): Delete functions.
3270 (find_and_verify_loops): Don't initialize cont_dominator.
3271 (strength_reduce): Lose code to try to find bivs that can be
3272 expressed as givs of another biv, and to convert biv increments
3274 Lose loop_scan_start variable, always use loop->scan_start.
3275 Don't call recombine_givs. Don't handle derived givs.
3276 (record_giv): Don't initialize derived and last_use fields.
3277 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3279 * unroll.c (derived_regs): Delete static variable.
3280 (unroll_loop): Don't initialize it.
3281 (copy_loop_body): Lose code to handle derived givs.
3282 (find_splittable_givs): Don't check for givs made from biv
3284 Don't set derived_regs.
3286 Fix misapplied earlier patch:
3287 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3289 (floatsisf2): Generate floatsisf_ie by default.
3290 (floatsisf_i4): Conditional on TARGET_SH4.
3292 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3293 predicate for the expanders.
3295 2000-09-19 Richard Henderson <rth@cygnus.com>
3297 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3298 in addition to pentium and pentiumpro symbols.
3299 (CPP_CPU_DEFAULT_SPEC): Likewise.
3301 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3304 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3305 if the tree has side effects.
3306 (warn_if_unused_value): Do not warn about void constructs.
3308 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3310 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3311 calling invert_jump.
3313 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3315 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3318 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3320 * Makefile.in (c-common.o): Depend on diagnostic.h.
3322 * c-common.c: Include diagnostic.h.
3324 (status_warning): New function.
3325 (check_format_info, maybe_read_dollar_number, check_format_types,
3326 finish_dollar_format_checking, check_function_format): Accept a
3327 `status' parameter. All callers changed.
3329 * c-common.h (check_function_format): Accept a `status' parameter.
3331 * c-typeck.c: Update call to `check_function_format'.
3333 2000-09-18 Richard Henderson <rth@cygnus.com>
3335 * c-decl.c (c_expand_body): Call mark_varargs before
3336 expand_function_start.
3338 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3340 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3341 * config/rs6000/eabi-ci.asm: Likewise.
3343 2000-09-18 Richard Henderson <rth@cygnus.com>
3345 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3348 2000-09-18 Jim Wilson <wilson@cygnus.com>
3350 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3351 before passing it to fold_rtx_mult_add.
3353 * unroll.c (final_giv_value): Pass increment through
3354 extend_value_for_giv before passing it to emit_iv_add_mult.
3356 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3357 paradoxical subreg, then directly substitute the replacement and
3360 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3362 * cpp.texi: Update documentation, including some clarifications,
3363 the treatment of various newline combinations, and space between
3364 backslash and newline.
3366 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3368 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3369 Replace ASM_OUTPUT_LABELREF with assemble_name.
3371 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3373 * sh.c (addsubcosts): CONST is not cheap.
3374 (find_barrier): For Sh1, take alignment after jumps into account.
3376 2000-09-15 Andrew Haley <aph@redhat.com>
3378 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3379 remove all SETs of SUBREGs of hard registers.
3380 * function.c (purge_hard_subreg_sets): New function.
3381 (purge_single_hard_subreg_set): New function.
3382 * rtl.h: (purge_hard_subreg_sets): New function.
3384 2000-09-18 Richard Henderson <rth@cygnus.com>
3386 * config/ia64/ia64-protos.h: Update.
3387 * config/ia64/ia64.c (signed_inequality_operator): New.
3388 (ia64_expand_compare): New.
3389 (ia64_register_move_cost): Handle PR_REGS moves.
3390 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3391 (struct reg_write_state): Add written_by_and/or.
3392 (struct reg_flags): Add is_and/or.
3393 (rws_update): Set them.
3394 (rws_access_regno): Test them to allow parallel comparisons.
3395 (rtx_needs_barrier): Recognize parallel comparisons.
3396 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3397 Call recog_memoized; ignore pred_rel_mutex.
3398 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3399 (ia64_reorg): Do it here instead.
3400 * config/ia64/ia64.h: s/CCmode/BImode/g
3401 (MODES_TIEABLE_P): Don't tie BImode.
3402 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3403 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3404 (RTX_COSTS): Make multiply 4 insns.
3405 (MEMORY_MOVE_COST): New.
3406 (PREDICATE_CODES): Update.
3407 * config/ia64/ia64.md: s/CCmode/BImode/g
3408 (movcci, movbi): New.
3409 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3410 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3411 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3412 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3413 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3414 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3415 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3416 (mulsi, muldi): Use xmpy not xma.
3418 (movcc, movcc_internal): Remove.
3419 (branch expanders): Use ia64_expand_compare.
3420 (setcc expanders): Likewise.
3421 (cmov insns): Use move_operand and ia64_move_ok.
3422 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3423 scheduler from moving it past a use.
3424 * config/ia64/build.hacks: Remove.
3426 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3428 * cpphash.h (HASHSTEP): Take character rather than pointer
3430 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3432 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3434 * cpplex.c (auto_expand_name_space, trigraph_replace,
3435 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3436 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3437 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3438 KNOWN_DIRECTIVE): Delete.
3440 (handle_newline, check_long_token, skip_escaped_newlines,
3441 unterminated): New functions.
3442 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3444 (parse_identifier): Was parse_name, new implementation.
3445 (skip_line_comment, skip_block_comment, skip_whitespace,
3446 parse_number, parse_string, trigraph_ok, save_comment,
3447 adjust_column, _cpp_get_line): New implementations.
3449 (lex_token): New function. Lexes a token at a time, looking
3450 forwards. Contains most of the guts of the old lex_line.
3451 (lex_line): New implementation, using lex_token to obtain
3453 (cpp_scan_buffer): Use the token's line, not the list's line.
3455 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3456 New implementations.
3457 (do_assert): Don't bother setting the answer's list's line.
3458 (cpp_push_buffer): Initialise new pfile and read_ahead members
3459 of struct cpp_buffer.
3461 * cpplib.h (cppchar_t): New typedef.
3462 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3464 (struct lexer_state): New structure that determines the state
3465 and behaviour of the lexer.
3466 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3467 (struct cpp_reader): New member "state". Rename
3468 multiline_string_line and multiline_string_column. Delete
3469 col_adjust, in_lex_line members.
3470 (CPP_BUF_COLUMN): Update.
3472 2000-09-18 Richard Henderson <rth@cygnus.com>
3474 * combine.c (simplify_comparison): Shift a NOT out of a single
3477 * combine.c (if_then_else_cond): Canonicalize BImode true to
3479 * explow.c (trunc_int_for_mode): Likewise.
3481 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3482 the NOT for De Morgan's rule.
3483 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3484 of a comparison to the reverse comparison.
3486 * combine.c (try_combine): Allow split to create a single insn.
3488 * machmode.def: Add BImode. Add a column for bitsize.
3489 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3490 (GET_MODE_BITSIZE): Use it.
3491 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3492 (mode_bitsize): New.
3493 (mode_mask_array): Use bitsize.
3494 * combine.c (combine_simplify_rtx): Require inner and outer
3495 modes to match on nonzero_bits optimizations.
3497 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3499 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3500 its entry in spill_reg_store.
3501 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3502 * sh.c (reg_no_subreg_operand): New function.
3503 * sh-protos.h (reg_no_subreg_operand): Declare it.
3504 * sh.h (PREDICATE_CODES): Add it.
3505 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3506 input operand that needs to be in fpul.
3507 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3508 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3509 might add new insns.
3511 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3513 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3515 (sh_expand_epilogue): Take the PIC register into account when
3516 computing the frame size.
3518 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3519 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3520 LABEL_REFs with a PIC-safe unspec.
3522 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3524 * c-common.c (check_format_info): Properly save the argument
3525 number and parameter for $ operand number formats in case width
3526 and precision arguments are also used. Allow printf width and
3527 precision arguments to have operand numbers even if none was
3528 specified for the main format, since this is OK for %*.*m. Only
3529 object to missing $ operand number if the format used requires an
3532 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3534 * c-common.c (format_char_info): Add 'W' flag to comment.
3535 (print_char_table, scan_char_table): Use it.
3536 (check_format_info): Use the 'W' flag to determine whether a
3537 format argument is written into.
3539 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3541 * c-common.c (check_format_types): Reorganise and clean up,
3542 checking earlier for ERROR_MARKs and making cur_type into its
3543 TYPE_MAIN_VARIANT where convenient.
3545 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3547 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3549 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3551 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3553 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3554 * i386.c (struct builtin_description): New.
3555 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3556 (mmx_reg_operand): Declare MODE arg as unused.
3557 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3558 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3559 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3560 ix86_init_builtins, ix86_expand_builtin): New functions.
3561 * i386.h (ix86_builtins): New enumeration.
3562 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3563 * i386.md (attr length_immediate): 0 for mmx/sse types.
3564 (attr prefix_0f): 1 for mmx/sse types.
3565 (setcc_2): Remove "*" so we get gen_setcc_2.
3566 (emms): Account for changed register numbering. Set "memory" attr
3568 (sfence): Set "memory" attr to unknown.
3570 2000-09-18 Andreas Jaeger <aj@suse.de>
3572 * configure.in: Define _GNU_SOURCE only when using the GNU C
3574 * configure: Regenerated.
3575 * config.in: Regenerated.
3577 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3579 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3580 * flow.c (flow_dump_loop): Likewise.
3581 (flow_loops_dump): Likewise.
3583 * c-typeck.c (c_start_case): Fix typo.
3585 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3587 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3588 to int for plain complex which defaults to complex double. Do
3589 warn about defaulting to complex double if pedantic. Warn about
3590 complex integer types if pedantic. Warn about complex types if
3591 pedantic and not in C99 mode.
3592 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3593 for complex conjugation.
3595 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3597 * contrib.texi: Update my entry.
3599 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3601 * config/avr/avr.md (mcu_enhanced): New attribute.
3602 (mcu_mega): Likewise.
3603 (extendhisi2): Use mcu_enhanced.
3604 (zero_extendhisi2): Likewise.
3605 (call_insn): Use mcu_enhanced and mcu_mega.
3606 (call_value_insn): Likewise.
3607 (*sbrx_branch): Use mcu_mega.
3608 (*sbrx_and_branchsi): Likewise.
3609 (*sbrx_and_branchhi): Likewise.
3610 (*tablejump_lib): Likewise.
3612 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3614 * alias.c (true_dependence): Allow non-unchanging read to conflict
3615 with unchanging write.
3617 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3618 (store_constructor): Pass alias_set to it.
3620 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3621 TYPE_MAIN_VARIANT of ERROR_MARK.
3622 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3624 * simplify-rtx.c (simplify_unary_operation): Add cases
3625 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3627 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3629 * expr.h (emit_library_call, emit_library_call_value): Delete
3631 * rtl.h (enum libcall_type): New.
3632 (emit_library_call, emit_library_call_value): Change fn_type arg to
3633 be of type enum libcall_type.
3634 * calls.c: Likewise for the function definitions. Several callers
3635 throughout changed to use the new enumeration appropriately.
3636 (emit_library_call_value_1): Likewise. Put back code to make libcall
3637 blocks of equal form, but only use it for the two new higher
3640 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3642 Convert the C front-end to use function-at-a-time mode.
3643 * c-common.h: Include splay-tree.h.
3644 (C_DECLARED_LABEL_FLAG): New macro.
3645 (struct language_function): Add x_scope_stmt_stack and
3646 x_function_name_declared_p.
3647 (RECHAIN_STMTS): Move definition.
3648 (lang_statment_code_p): Likewise.
3649 (lang_expand_stmt): Likewise.
3650 (lang_expand_decl_stmt): New variable.
3651 (lang_expand_function_end): Likewise.
3652 (current_scope_stmt_stack): New function.
3653 (add_decl_stmt): Likewise.
3654 (add_scope_stmt): Likewise.
3655 (mark_stmt_tree): Likewise.
3656 (struct c_lang_decl): New structure.
3657 (DECL_SAVED_TREE): Define.
3658 (c_mark_lang_decl): New function.
3659 (c_expand_start_cond): Change prototype.
3660 (c_finish_then): New function.
3661 (c_finish_else): Likewise.
3662 (current_function_name_declared): Remove.
3663 (set_current_function_name_declared): Likewise.
3664 (mark_c_language_function): Declare.
3665 (case_compare): Likewise.
3666 (c_add_case_label): Likewise.
3667 (c_expand_expr): Likewise.
3668 (c_safe_from_p): Likewise.
3669 * c-common.c (lang_expand_function_end): New variable.
3670 (struct if_elt): Add if_stmt.
3671 (c_expand_start_cond): Add the if-statement to the statement-tree,
3672 rather than generating RTL.
3673 (c_finish_then): New function.
3674 (c_expand_start_else): Don't generate RTL.
3675 (c_finish_else): New function.
3676 (c_expand_expr_stmt): Don't generate RTL.
3677 (statement_code_p): Add SCOPE_STMT.
3678 (case_compare): New function.
3679 (c_add_case_label): Likewise.
3680 (mark_stmt_tree): Likewise.
3681 (c_mark_lang_decl): Likewise.
3682 (mark_c_language_function): Likewise.
3683 (c_expand_expr): Likewise.
3684 (c_safe_from_p): Likewise.
3685 * c-decl.c (c_stmt_tree): New variable
3686 (c_scope_stmt_stack): Likewise.
3687 (c_function_name_declared_p): Likewise.
3688 (lang_expand_expr_stmt): Remove.
3689 (poplevel): Don't call output_inline_function for nested
3691 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3693 (redeclaration_error_message): Change means of computing whether
3694 or not a function is nested.
3695 (lookup_label): Don't call label_rtx.
3696 (init_decl_processing): Add more GC roots.
3697 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3698 calling rest_of_decl_compilation.
3699 (finish_decl): Don't call expand_decl.
3700 (store_parm_decls): Begin the statement-tree, but don't generate
3702 (finish_function): Tie off the statement-tree. Call c_expand_body
3704 (c_expand_body): New function.
3705 (push_c_function_context): Save more information.
3706 (pop_c_function_contxt): Likewise.
3707 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3708 (lang_mark_tree): Mark it.
3709 (current_stmt_tree): Adjust.
3710 (current_scope_stmt_stack): New function.
3712 (set_current_name_declared): Likewise.
3713 (c_begin_compound_stmt): Define.
3714 (c_expand_decl_stmt): Likewise.
3715 * c-lang.c: Include rtl.h and expr.h.
3716 (lang_init): Set more language-specific hooks.
3717 * c-lex.c: Include expr.h.
3718 * c-parse.in: Changes throughout to add statements to the
3719 statement-tree, rather than generating RTL after every statement.
3720 * c-semantics.c (lang_expand_decl_stmt): Define.
3721 (add_decl_stmt): New function.
3722 (add_scope_stmt): Likewise.
3723 (finish_stmt_tree): Tweak.
3724 (genrtl_expr_stmt): Likewise.
3725 (genrtl_decl_stmt): Handle local labels, and call
3726 lang_expand_decl_stmt if required.
3727 (genrtl_for_stmt): Fix line-number handling.
3728 (genrtl_case_label): Handle cleanups.
3729 (genrtl_asm_stmt): Don't call combine_strings.
3730 (genrtl_compound_stmt): Simplify.
3731 (expand_stmt): Handle SCOPE_STMTs.
3732 * c-tree.h (struct lang_decl): New structure.
3733 (C_DECLARED_LABEL_FLAG): Remove.
3734 (c_begin_compound_stmt): Declare.
3735 (c_expand_decl_stmt): Likewise.
3736 (c_expand_start_case): Rename to c_start_case.
3737 (c_finish_case): New function.
3738 * c-typeck.c (start_init): Tweak setting of
3739 constructor_incremental.
3740 (c_expand_asm_operands): Tweak error-handling. Add to the
3742 (c_expand_return): Add to the statement-tree.
3743 (c_expand_start_case): Rename to ...
3744 (c_start_case): ... this.
3745 (struct c_switch): New type.
3746 (switch_stack): New variable.
3747 (do_case): Simplify.
3748 (c_finish_case): New function.
3749 * dependence.c: Include expr.h.
3750 (enum dependence_type): Change spelling of enumerals.
3751 (check_node_dependence): Adjust.
3752 * expr.h (lang_safe_from_p): Declare.
3753 (safe_from_p): Likewise.
3754 * expr.c (lang_safe_from_p): New variable.
3755 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3756 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3757 * toplev.c (rest_of_decl_compilation): Robustify.
3758 * tree.c (contains_placeholder_p): Likewise.
3759 * Makefile.in: Update dependencies.
3760 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3761 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3762 (objc_expand_function_end): New function.
3763 (finish_method_def): Use it.
3764 (init_objc): Initialize more language-specific hooks.
3765 * objc/Make-lang.in: Update dependencies.
3767 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3769 * configure.in: Define macros that affect features before
3770 testing for features. Don't define _XOPEN_SOURCE.
3771 * configure: Regenerated.
3772 * config.in: Regenerated.
3774 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3776 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3777 (rtx_unstable_p): Restructure code. Volatile asms
3780 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3782 * function.h (no_debugging_symbols): New field.
3783 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3784 Initialize no_debugging_symbols.
3785 (output_inline_function): Save and restore write_symbols and set from
3786 no_debugging_symbols.
3787 * toplev.c (rest_of_compilation): Call save_for_inline.
3788 * tree.h: Update comment.
3790 * stor-layout.c (place_field): Don't do anything if field or
3791 its type are ERROR_MARK.
3793 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3795 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3796 (read_include_file): Ensure inc->mmaped is initialized.
3798 2000-09-16 Richard Henderson <rth@cygnus.com>
3800 * cppiles.c (purge_cache): Use PTR not caddr_t.
3802 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3804 * gcc.c: In description for %{<S}, say the option removed is -S.
3805 * invoke.texi (Spec Files): Ditto.
3807 2000-09-16 Andreas Jaeger <aj@suse.de>
3809 * configure.in: Always define _GNU_SOURCE to make interfaces
3810 visible that were hidden by only defining _GNU_SOURCE.
3811 * configure: Regenerated.
3813 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3815 * cpplex.c (push_macro_context): Set an argument's level after
3816 calling parse_args. We could loop infinitely otherwise.
3818 2000-09-15 Tom Tromey <tromey@cygnus.com>
3820 * configure, config.in: Rebuilt.
3821 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3823 2000-09-15 Greg McGary <greg@mcgary.org>
3825 * cppmacro.c (check_trad_stringification): Check token
3826 text pointers against limit before dereferencing.
3828 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3830 * c-common.c (format_wanted_type): New structure.
3831 (check_format_types): New function.
3832 (check_format_info): Pass all checking of types of format
3833 arguments, including width and precision arguments, to this new
3836 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3838 * BUGS: Remove file.
3840 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3842 * config/alpha/alpha.c (override_options): ev6 cache latencies
3843 from Richard Henderson. Don't allow -mmemory-latency=L0.
3845 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3846 (TARGET_OPTIONS): Add tune=.
3847 (alpha_tune_string): Declare.
3848 * config/alpha/alpha.c (override_options): Add cpu_table.
3849 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3850 and then alpha_tune_string to set alpha_cpu only.
3851 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3852 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3853 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3854 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3856 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3858 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3860 (ix86_comparison_operator, ix86_cc_mode): Declare
3861 * i386.h (CCGC, CCGCO): New modes.
3862 (SELECT_CC_MODE): Move offline to ....
3863 * i386.c (ix86_cc_mode): .... here; use new modes.
3864 (ix86_comparison_operator): New.
3865 (fcmov_comparison_operator): Ensure proper mode.
3866 (put_condition_mode): More sanity checking.
3867 (ix86_match_ccmode): Handle new modes.
3868 (ix86_expand_fp_compare): GEU requires CCmode.
3869 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3871 * i386.md (cmp?i_ccz_1): Remove
3872 (cmp?i_ccno_1): Use ix86_match_ccmode.
3873 (cmp?i_minus_1): New.
3874 (cmpsi_1): New expander.
3875 (cmpqi_ext_1): Use match_ccmode
3876 (cmpqi_ext_3): New expander.
3877 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3878 (cmpqi_ext_4): Use match_ccmode.
3879 (add?i_?): Use match_ccmode.
3881 (test?i_ccz_1): Remove
3883 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3884 (testqi_ext_0): Use ix86_match_ccmode.
3885 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3886 (xorqi_cc_ext_1): New expander.
3887 (shift patterns): Use CCGOCmode for all shifts except for sar.
3888 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3889 (setcc_3, jcc_3, miv?icc_c): Remove.
3891 2000-09-15 Will Cohen <wcohen@redhat.com>
3893 * dwarf2out.c (add_const_value_attribute): Changed array into a
3894 xmalloced object, so it exists after function exit.
3895 (free_AT): Added case for dw_val_class_float to free allocated
3898 2000-09-15 Kazu Hirata <kazu@hxi.com>
3900 * config/i386/i386.md: Fix a comment typo.
3901 * gcc.c: Fix formatting.
3903 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3905 * optabs.c (emit_libcall_block): If target is a user variable,
3906 copy to a temporary first.
3907 * expr.c (convert_move): When generating a libcall, make a libcall
3909 * calls.c (emit_library_call_value_1): Don't create a libcall
3910 sequence here; our caller will in most cases do it.
3912 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3914 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3915 * sh.md (reload_outsf): Generate recognizable patterns for
3917 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3918 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3919 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3920 truncdfsf2_i4): Change not to use explicit references to fpul.
3921 (floatsisf2_ie): Remove USE of fpscr.
3922 (floatsisf2): Change default expansion to match this.
3923 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3926 2000-09-15 Richard Henderson <rth@cygnus.com>
3928 * expmed.c (store_bit_field): Consider naturally aligned
3929 memory for direct reference.
3931 2000-09-15 Richard Henderson <rth@cygnus.com>
3933 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3934 AND addresses into alias set 0.
3935 (alpha_expand_unaligned_store): Likewise.
3936 (alpha_expand_unaligned_load_words): Likewise.
3937 (alpha_expand_unaligned_store_words): Likewise.
3939 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3941 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3942 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3944 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3945 rsize of UNITS_PER_WORD.
3947 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3949 * cpplex.c (ON_REST_ARG): Correct the test.
3950 (maybe_paste_with_next): Duplicate a token that fail pasting,
3951 and clear its PASTE_LEFT flag, so that nested pasting attempts
3954 2000-09-14 Richard Henderson <rth@cygnus.com>
3956 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3957 * cse.c (rtx_cost): Likewise.
3958 * optabls.c (expand_binop): Likewise.
3959 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3960 * regclass.c (copy_cost): Likewise.
3961 * reload1.c (reload_cse_move2add): Likewise.
3963 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3965 * c-parse.in (reswords): Add _Complex.
3967 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3969 * gcc.1: Delete documentation for -undef preprocessor option.
3971 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3973 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3974 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3975 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3976 Remove undefine before config/elfos.h.
3977 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3979 2000-09-14 Kazu Hirata <kazu@hxi.com>
3981 * invoke.texi (H8/300 Options): Add -ms2600.
3982 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3983 is used without -ms.
3984 * config/h8300.h (TARGET_MAC): New.
3985 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3986 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3987 machine other than H8/S2600.
3988 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3991 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3993 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3994 pseudos that refer to the original pseudos, not only to their
3995 equivalent memory locations.
3997 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3999 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4000 when making new MEM.
4002 * Makefile.in (LN): Remove duplicate definition.
4004 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4006 From Joern Rennecke:
4007 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4008 on an insn and function_invariant_p returns nonzero for the source,
4009 add a REG_EQUAL note.
4011 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4013 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4014 conflict with frame_pointer_rtx.
4016 2000-09-13 Kazu Hirata <kazu@hxi.com>
4018 * loop.c: Fix formatting.
4021 2000-09-13 Richard Henderson <rth@cygnus.com>
4023 * config/ia64/ia64.md (divsf3): New.
4024 (divsf3_internal_lat, divsf3_internal_thr): New.
4025 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4026 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4027 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4028 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4029 (nmadddf4_alts, nmadddf4_trunc): New.
4030 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4031 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4032 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4033 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4034 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4035 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4036 (nmaddtf4_truncdf_alts): New.
4037 (recip_approx): Don't predicate.
4039 2000-09-13 Richard Henderson <rth@cygnus.com>
4041 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4043 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4045 * flags.h (flag_dump_rtl_in_asm): Declare.
4046 * toplev.c (flag_dump_rtl_in_asm): Define.
4047 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4048 if -dP is specified.
4049 * rtl.h (print_rtx_head): Declare.
4050 * print-rtl.c (print_rtx_head): Define.
4051 (print_rtx): Print the string pointed to by print_rtx_head
4052 at beginning of each dump line.
4053 (print_rtl): Likewise.
4054 (print_rtl_single): Likewise.
4055 * final.c (final_scan_insn): Dump the insn in the assembly
4057 * gcc.1: Document -dP option.
4058 * invoke.texi (Debugging Options): Likewise.
4060 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4062 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4063 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4064 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4066 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4068 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4069 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4070 (*clrstrqi): Likewise.
4071 (xorhi3,xorsi3,absqi2): Likewise.
4072 (one_cmplhi2,one_cmplsi2): Likewise.
4073 (addsi3): Two stupid constraint alternatives removed.
4074 (extendhisi2): Use `movw' for enhanced avr cores.
4075 (zero_extendhisi2): Likewise.
4077 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4079 * alias.c (find_base_term): Use frame_pointer_rtx
4080 when handling an ADDRESSOF.
4082 * cse.c (canon_hash): Handle USE of BLKmode memory.
4083 (cse_insn): Outgoing arguments for a libcall don't
4084 affect any recorded expressions.
4086 2000-09-12 Tom Tromey <tromey@cygnus.com>
4088 * configure, config.in: Rebuilt.
4089 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4091 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4093 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4094 * expr.c (expand_expr): Don't optimize constant array references
4095 initialized with wide string constants.
4097 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4099 * loop.c (note_set_pseudo_multiple_uses): Correct.
4101 2000-09-12 Jim Wilson <wilson@cygnus.com>
4103 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4104 else block, and X has side-effects, then fail.
4106 2000-09-12 Greg McGary <greg@mcgary.org>
4108 * config/mips/mips-protos.h
4109 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4110 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4111 (PREDICATE_CODES): Add "trap_cmp_op".
4112 * config/mips/mips.c
4113 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4114 * config/mips/mips.md (trap, conditional_trap): New patterns.
4116 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4118 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4121 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4123 * builtins.c (built_in_decls): New array.
4124 (expand_builtin_fputs): New function.
4125 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4127 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4129 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4131 * tree.h (built_in_decls): New array.
4133 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4135 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4137 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4139 2000-09-12 Kazu Hirata <kazu@hxi.com>
4141 * haifa-sched.c: Fix formatting.
4143 * genattrtab.c: Fix formatting.
4145 * unroll.c: Fix formatting.
4147 2000-09-12 Bruce Korb <bkorb@gnu.org>
4149 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4150 remove obsolete code
4151 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4152 * fixinc/fixincl.tpl: make non-exported arrays static scope
4153 * fixinc/fixincl.x: regenerate
4154 * fixinc/fixlib.h: Use PARAMS, not _P_
4155 * fixinc/fixtests.c: make a type for the test proc & use it
4156 * fixinc/server.h: Use PARAMS, not _P_
4158 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4160 * c-typeck.c (process_init_element): Avoid union init warnings on
4161 floating point zero. Don't crash on unions containing structs.
4163 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4165 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4166 general_movsrc_operand, and remove CONST_INT from
4167 general_movdst_operand.
4169 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4171 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4172 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4173 regs with a higher cost.
4174 (preferrable): Deal with cases where either cost or regcost is
4176 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4178 (COSTS_N_INSNS): Move definition...
4180 (MAX_COST): New macro.
4181 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4184 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4186 * c-common.h (genrtl_clear_out_block): Remove.
4187 * c-semantics.c (genrtl_clear_out_block): Remove.
4188 (genrtl_while_stmt): Don't call it.
4189 (genrtl_for_stmt): Likewise.
4191 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4193 * cppfiles.c: Move all default-#defines to top of file.
4194 (open_include_file): Replace by lookup_include_file.
4195 (read_with_read, read_file): Merged into read_include_file.
4196 (stack_include_file, purge_cache): New functions.
4197 (close_cached_fd): Delete.
4198 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4199 Cache the in-memory buffer, not the file descriptor.
4201 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4203 (xcnew): New utility macro.
4204 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4205 * cpplib.h (struct cpp_buffer): Remove mapped field.
4207 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4209 * cpplex.c (parse_string): Accept backslash space newline as a
4211 (lex_line): Likewise.
4212 (_cpp_get_token): Remove hard limit on macro nesting.
4214 2000-09-12 Philipp Thomas <pthomas@suse.de>
4216 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4217 * configure: Rebuilt.
4219 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4221 * flow.c (split_block): Fix update of registers live at
4224 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4226 * i386.md (add?i_3, add?i_5): New.
4227 (add?i_4): Rename from add?i_3; Fix compare pattern.
4228 (sub?i_3, xor?i_3, ior?i_3): New.
4230 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4231 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4232 instead of extract_insn and extract_constrain_insn_cache instead of
4233 extract_insn and constrain_operands.
4234 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4236 (extract_insn): Clear which_alternative.
4237 (constrain_operands): Set which_alternative to -1 when failed.
4238 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4241 2000-09-11 Matthew Hiller <hiller@redhat.com>
4243 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4244 on operand 0 to '+'.
4245 (movstricthi): Likewise.
4247 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4249 * loop.h (LOOP_IVS): New macro.
4250 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4251 (struct loop_ivs): New.
4252 (struct loop_info): Add ivs field.
4253 (reg_iv_type, reg_iv_info): Delete prototype.
4254 (reg_biv_class, loop_iv_list): Likewise.
4255 * loop.c (record_biv, find_life_end): Pass loop argument.
4256 (reg_iv_type): Remove global array and use
4257 field in loop_regs structure within loop_ivs structure.
4258 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4259 (first_increment_giv, last_increment_giv): Use entry in
4261 (record_initial): Pass ivs pointer.
4262 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4264 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4266 * loop.h (LOOP_REGS): New macro.
4267 (struct loop_regs): New.
4268 (struct loop_info): Add regs field.
4269 * loop.c (set_in_loop): Remove global array and store
4270 in loop_regs structure as part of loop_info structure.
4271 (n_times_set, may_not_optimize): Likewise.
4272 (reg_single_usage, moved_once): Likewise.
4273 (count_one_set): Add regs argument.
4274 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4275 (set_pseudo_multiple_uses): Pass regs pointer.
4277 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4279 * unroll.c (iteration_info): Subsume into loop_iterations.
4280 * loop.h (loop_info): New field iv.
4282 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4284 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4285 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4286 (flow_loops_update): New prototype.
4287 (flow_loops_find): Add flags to prototype.
4288 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4289 * flow.c (flow_loop_pre_header_scan): New.
4290 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4291 (flow_loop_free): Free pre-header root and trace and exit dominators.
4292 (flow_loops_find): New argument flags.
4293 (flow_loops_update): New function.
4294 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4296 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4298 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4299 * flow.c (split_block, update_bb_for_insn): New functions.
4301 2000-09-11 Richard Henderson <rth@cygnus.com>
4303 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4305 2000-09-11 Richard Henderson <rth@cygnus.com>
4307 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4308 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4309 (ia64_override_options): Prevent optimizing division for both
4310 latency and throughput.
4311 (rtx_needs_barrier): Handle frcpa.
4312 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4313 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4314 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4315 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4316 -minline-divide-max-throughput.
4317 (PREDICATE_CODES): Update.
4318 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4319 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4320 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4321 (extendsftf2): Likewise.
4322 (extenddftf2): Likewise.
4323 (fix_trunctfdi2_alts): New.
4324 (fixuns_trunctfdi2_alts): New.
4325 (madd*4): Rename from madd*3.
4326 (divsi3, modsi3, udivsi3, umodsi3): New.
4327 (divsi3_internal): New.
4328 (divdi3, moddi3, udivdi3, umoddi3): New.
4329 (divdi3_internal_lat, divdi3_internal_thr): New.
4330 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4331 (recip_approx): New.
4333 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4335 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4336 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4338 * integrate.c (copy_rtx_and_substitute): Don't share
4339 LEAF_REG_REMAPpable registers with the inlined function. Don't
4340 share the function value with calling sequences.
4342 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4344 * c-decl.c (do_case): Fix a typo.
4346 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4347 to a if the comparison is floating mode and not -ffast-math.
4348 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4350 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4352 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4353 gen_ic_invalidate_line.
4355 2000-09-11 Philip Blundell <pb@futuretv.com>
4357 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4359 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4361 * install.texi (LANGUAGES): Update to include new languages.
4364 2000-09-11 DJ Delorie <dj@redhat.com>
4366 * gcc.c (main): Don't warn about unused -B prefixes
4367 (unused_prefix_warnings): remove
4369 2000-09-11 Kazu Hirata <kazu@hxi.com>
4371 * final.c: Fix formatting.
4373 * integrate.c: Fix formatting.
4375 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4377 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4379 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4381 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4383 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4385 * gcc.1: Document 68hc11 specific options.
4387 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4389 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4390 (TARGET_LONG_DOUBLE_128): Define.
4391 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4392 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4393 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4394 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4395 of __LONG_DOUBLE_128__.
4396 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4398 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4399 (CPP_SYSV_DEFAULT_SPEC): Define.
4400 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4401 (INIT_TARGET_OPTABS): Define.
4403 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4404 (RS6000_UITRUNC): Likewise.
4405 (INIT_TARGET_OPTABS): New macro.
4406 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4407 (trunc_defined): Delete.
4408 (output_prolog): Don't output .extern definitions for fp->int
4409 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4410 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4411 (trunc_defined): Delete.
4412 (RS6000_ITRUNC): Moved to aix.h.
4413 (RS6000_UITRUNC): Likewise.
4414 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4415 only emit a libcall.
4416 (fixuns_truncdfsi2): Delete.
4417 (trunc_call): Delete.
4418 (trunc_call_rtl): Delete.
4420 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4422 * varasm.c (make_decl_rtl): Restore leading star on
4423 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4425 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4427 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4428 won't give a spurious error for '#pragma pack()'. Simplify
4429 control flow for readability. 'reset' action is not necessary.
4431 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4433 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4434 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4435 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4436 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4438 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4439 profile.c, sdbout.c, tradcif.y, tree.c:
4440 Include defaults.h if not already included.
4441 Don't define the above macros.
4443 * Makefile.in: Update dependencies.
4445 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4447 * c-common.h (add_stmt): Change prototype.
4448 (RECHAIN_STMTS): New macro.
4449 (CASE_LABEL_DECL): Likewise.
4450 (genrtl_case_label): Change prototype.
4451 (c_expand_start_case): Remove prototype.
4452 (build_case_label): Change prototype.
4453 (decl_constant_value): Declare.
4454 * c-common.c (check_case_value): Handle C++'s extensions to C
4456 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4458 * c-parse.in (stmt): Adjust handling of return statements and case
4460 * c-semantics.c (add_stmt): Return the new statement.
4461 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4462 returned expression. Directly generate RTL, rather than calling
4464 (genrtl_switch_stmt): Don't call c_expand_start_case.
4465 (build_case_label): Take the LABEL_DECL as input, too.
4466 (genrtl_case_label): Just call add_case_node.
4467 (expand_stmt): Adjust calls to genrtl_return_stmt and
4469 * c-tree.h (c_expand_start_case): Declare.
4470 * c-typeck.c (decl_constant_value): Give it external linkage.
4471 (c_expand_return): Don't call expand_return or expand_null_return;
4472 use genrtl_return_stmt instead.
4473 * stmt.c (struct nesting): Remove num_ranges field.
4474 (add_case_node): Give it external linkage.
4475 (expand_start_case): Don't set num_ranges.
4476 (expand_start_case_dummy): Don't clear it.
4477 (pushcase): Rely on add_case_node to handle `default' labels.
4478 (add_case_node): Handle `default' labels.
4479 * tree.c (tree_int_cst_compare): New function.
4480 * tree.h (tree_int_cst_compare): Declare.
4481 (add_case_node): Likewise.
4483 2000-09-10 Richard Henderson <rth@cygnus.com>
4485 * c-parse.in: Revert last change.
4486 (init_reswords): Do not enter disabled keywords into the ridpointers
4487 table, modulo objc weirdness.
4488 (_yylex): Return the canonical spelling for a keyword.
4490 2000-09-10 Philip Blundell <philb@gnu.org>
4492 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4493 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4495 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4497 * alias.c (find_base_term): Handle ADDRESSOF.
4498 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4500 2000-09-10 Denis Chertykov <denisc@overta.ru>
4502 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4503 outputting templates with many lines.
4505 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4507 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4508 to decide whether 64-bit support must be generated.
4510 2000-09-10 Richard Henderson <rth@cygnus.com>
4512 * c-parse.in (asm patterns): Fix volatile check.
4514 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4516 * cppmacro.c (check_trad_stringification): New function.
4517 (save_expansion): If -Wtraditional, warn about stringification of
4520 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4522 * loop.h (struct loop_mem_info): Move from loop.c
4523 (struct loop_info): Add fields store_mems, mems, mems_idx,
4524 mems_allocated, unknown_address_altered,
4525 unknown_constant_address_altered, num_mem_sets, and
4526 first_loop_store_insn.
4528 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4529 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4530 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4531 (num_mem_sets): Likewise.
4532 (replace_loop_mems, replace_loop_regs): New.
4533 (struct loop_replace_args): New.
4534 (load_mems): Use replace_loop_mems.
4535 (try_copy_prop): Use replace_loop_regs.
4536 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4538 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4540 * configure.in: Recognize m6811-elf and m6812-elf.
4541 * configure: Regenerate.
4543 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4545 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4548 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4550 * loop.c (struct movables): New.
4551 (num_movables): Move into struct movables.
4552 (the_movables): Change type to struct movables.
4553 (ignore_some_movables): Change struct movable arg to struct movables.
4554 (force_movables, combine_movables, regs_match_p): Likewise.
4555 (rtx_equal_for_loop_p, move_movables): Likewise.
4556 (scan_loop): Change movables to be of type struct movables.
4557 Replace last_movable with field in movables structure.
4559 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4561 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4562 (init_pragma): Avoid warning if pfile happens to be unused.
4563 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4564 define init_pragma to nothing. Always prototype
4565 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4567 * c-lex.c (process_directive): Always call dispatch_pragma.
4568 Initialize entering_c_header to 0.
4570 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4572 * config/m68hc11/m68hc11.md: New file, machine description for
4574 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4575 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4576 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4577 * config/m68hc11/m68hc11-protos.h: New file.
4578 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4579 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4580 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4581 * config/m68hc11/larith.asm: New file, libgcc routines.
4583 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4585 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4586 (FPBIT_FUNCS): Add _usi_to_sf.
4587 * config/fp-bit.c (usi_to_float): New function.
4588 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4589 (usi_to_float): Add appropriate #define.
4591 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4593 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4595 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4596 * i386.md (attr "type"): Add sse and mmx types.
4597 (attr "memory"): Handle them without a crash.
4598 (movsi_1, movdi_2): Allow MMX regs.
4599 (movdi splits): Don't split moves involving MMX regs.
4600 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4601 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4602 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4603 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4604 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4605 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4606 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4607 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4608 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4609 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4610 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4611 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4612 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4613 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4614 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4615 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4616 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4617 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4618 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4619 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4620 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4621 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4622 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4623 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4624 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4625 mmx_clrdi): New patterns.
4627 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4629 * arm.c: Don't include tm.h directly.
4631 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4633 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4634 testing; simplify subregs of constants and nested subregs.
4636 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4638 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4640 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4642 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4644 * rtl.texi (description of USE): Add note about possible pitfalls
4646 From Richard Henderson:
4647 * reload1.c (choose_reload_regs): Compute need_mode properly.
4649 2000-09-07 Richard Henderson <rth@cygnus.com>
4651 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4652 (__modsi3, __umodsi3): Likewise.
4653 (__udivsi3): Likewise. Normalize the TFmode values.
4655 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4657 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4659 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4662 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4664 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4665 (cmpeqdi_t): Add output pattern.
4666 (cmpeqdi_t+1): Don't split when not optimizing.
4667 Restore proper splitting operation.
4669 2000-09-07 Richard Henderson <rth@cygnus.com>
4671 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4672 do not call dispatch_pragma.
4674 2000-09-07 Jim Wilson <wilson@cygnus.com>
4676 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4677 to CLASS_CANNOT_CHANGE_MODE.
4678 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4679 mode classes are different.
4681 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4683 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4684 left out of commit which removed cppulp.c.
4686 2000-09-07 Richard Henderson <rth@cygnus.com>
4688 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4689 after switch for CASE_DROPS_THROUGH.
4691 2000-09-07 Richard Henderson <rth@cygnus.com>
4693 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4694 Properly extend the biv initial value for the giv.
4695 (record_biv): Zero ext_dependant.
4696 (record_giv): New argument ext_val. Update all callers.
4697 (general_induction_var): Likewise.
4698 (consec_sets_giv): Likewise.
4699 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4700 a sign-extend, zero-extend, or truncate.
4701 (combine_givs_p): Make sure modes are compatible.
4702 (check_ext_dependant_givs): New.
4703 (extend_value_for_giv): New.
4704 * loop.h (struct induction): Add ext_dependant.
4705 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4706 (find_splittable_givs): Likewise.
4707 (final_giv_value): Likewise.
4709 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4711 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4712 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4713 definitions from cpplib.h.
4714 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4716 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4717 documentation for REGISTER_TARGET_PRAGMAS.
4719 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4720 default-pragma callback to implement -Wunknown-pragmas if
4722 * c-parse.in: Move all includes to top of file.
4723 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4725 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4727 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4729 * arm.h, arm-protos.h, arm.c,
4730 c4x.h, c4x-protos.h, c4x.c,
4731 h8300.h, h8300-protos.h, h8300.c,
4732 i370.h, i370-protos.h, i370.c,
4733 i960.h, i960-protos.h, i960.c,
4734 sh.h, sh-protos.h, sh.c,
4735 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4736 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4738 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4739 multiple include guard.
4740 * i370.md (untyped_call): Use GEN_CALL.
4741 (umodsi3): Remove unused variable.
4742 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4743 * v850.c (output_move_single, output_move_double): Constify
4745 (print_operand): Constify a char *.
4746 * v850.h (struct small_memory_info): Constify name member.
4748 2000-09-07 Kazu Hirata <kazu@hxi.com>
4750 * config/h8300.h: Fix comment typos.
4751 * config/h8300/h8300.md: Likewise.
4752 * config/h8300/lib1funcs.asm: Likewise.
4754 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4756 * Makefile.in: Remove references to cppulp.{c,o}.
4757 * cppinit.c (initialize_builtins, cpp_start_read,
4758 cpp_handle_option): Update to use cpp_options structure.
4761 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4763 * c-common.c (time_char_table): Allow %#b and %#h.
4765 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4767 * reorg.c (find_end_label): If the basic block reorder pass moves the
4768 return insn to some other place try to locate it again and put our
4769 end_of_function_label there.
4770 * reorg.c (relax_delay_slots): Check if find_end_label created a
4771 new label that invalidates the current optimazation.
4773 2000-09-07 Catherine Moore <clm@redhat.com>
4775 * unroll.c (unroll_loop): Check for unconditional jumps
4776 to loop continuation. Delete if n_iterations is 1.
4777 (ujump_to_loop_cont): New routine.
4779 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4781 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4783 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4784 to handle multiword modes correctly. All callers and the declaration
4787 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4789 * c-common.h (prep_stmt): Declare.
4790 (lang_expand_stmt): Likewise.
4791 * c-decl.c (lang_expand_stmt): Remove.
4792 * c-semantics.c (lang_expand_stmt): Define.
4793 (prep_stmt): New function.
4794 (expand_stmt): Handle common statement types here.
4796 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4798 * configure.in (sh-*-linux*): Added.
4799 * configure: Rebuilt.
4800 * config/sh/t-linux: New file.
4801 * config/sh/sh.h (USERMODE_BIT): Define.
4802 (TARGET_USERMODE): Likewise.
4803 (TARGET_SWITCHES): New switches for the bits above.
4804 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4805 * config/sh/linux.h: New file.
4806 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4807 underscore on linux.
4808 (L_sdivsi3, L_udivsi3): Define for linux.
4809 (L_ic_invalidate): Define.
4810 * invoke.texi (SH Options): Document -musermode.
4812 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4814 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4815 CSE unless generating PIC.
4817 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4820 2000-09-06 H.J. Lu (hjl@gnu.org)
4822 * Makefile.in (clean_s1): Depend on stage_b.
4823 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4824 stage2. They are used for "make compare".
4826 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4828 Move statement-tree facilities from C++ to C front-end.
4829 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4830 (void_zero_node): New macro.
4831 (struct stmt_tree_s): New type.
4832 (stmt_tree): New typedef.
4833 (struct language_function): New type.
4834 (last_tree): New macro.
4835 (last_expr_type): Likewise.
4836 (walk_tree_fn): New typedef.
4837 (current_stmt_tree): New function.
4838 (begin_stmt_tree): Likewise.
4839 (add_stmt): Likewise.
4840 (finish_stmt_tree): Likewise.
4841 (statement_code_p): Likewise.
4842 (lang_statement_code_p): New variable.
4843 (walk_stmt_tree): New function.
4844 (STMT_IS_FULL_EXPR_P): New macro.
4845 * c-common.c (lang_statement_code_p): New variable.
4846 (c_common_nodes_and_builtins): Initialize void_zero_node.
4847 (statement_code_p): New function.
4848 (walk_stmt_tree): Likewise.
4849 * c-decl.c (language_function): Rename to ...
4850 (c_language_function): ... this. Include language_function.
4851 (push_c_function_context): Adjust accordingly.
4852 (pop_c_function_context): Likewise.
4853 (mark_c_function_context): Likewise.
4854 (current_stmt_tree): Define.
4855 * c-semantics.c (begin_stmt_tree): New function.
4856 (add_stmt): Likewise.
4857 (prune_unused_decls): Likewise.
4858 (finish_stmt_tree): Likewise.
4860 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4862 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4864 2000-09-06 Kazu Hirata <kazu@hxi.com>
4866 * calls.c: Fix formatting.
4868 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4870 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4872 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4874 Integrated preprocessor.
4876 * Makefile.in: Remove all references to c-parse.gperf,
4877 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4878 generating c-parse.c. Update dependencies.
4879 * c-parse.gperf, c-gperf.h: Delete.
4881 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4882 yy_lim, or yy_get_token. Don't define get_directive_line if
4884 * c-common.h: Add multiple include guard. Define RID values
4885 for every keyword in C, C++, and Objective C. Put all the
4887 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4888 * c-decl.c (c_decode_option): Handle -lang-objc here.
4889 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4890 (grokdeclarator): Adjust for new RID scheme.
4891 (extract_interface_info): New stub.
4892 * c-lang.c: Don't declare yy_cur or parse_options.
4893 (lang_init_options): Call cpp_init. Don't call
4895 (lang_init): Don't call check_newline if USE_CPPLIB.
4897 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4898 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4899 rendered unnecessary by new architecture. Move routines not
4900 shared with C++ to c-parse.in. Maintain a local idea of the
4901 line number. Handle C++ as well as C.
4902 [USE_CPPLIB]: Declare and register callbacks for #ident and
4903 for entering/leaving files.
4904 (init_c_lex, c_lex): Are now the entry points to this file.
4905 (check_newline): Break out directive handling to
4907 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4909 (readescape, parse_float): Overhaul.
4910 (lex_number, lex_string, lex_charconst): Break out of c_lex
4912 (get_fileinfo, update_header_times, dump_one_header,
4913 dump_time_statistics): New and/or moved here from C++.
4914 Support per-file data needed by C++ and per-header timing
4915 statistics (C++ only, at the moment).
4916 * c-lex.h: Update prototypes. Add multiple include guard.
4917 * c-tree.h (struct lang_identifier): Add rid_code field.
4918 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4920 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4921 reinit_parse_for_function and/or position_after_white_space.
4922 (save_filename, save_lineno): Look ahead before saving.
4923 (label -> identifier ':'): Save file and line before shifting ':'.
4924 (reservedwords): No need to call get_identifier.
4925 (init_parse, finish_parse, yyerror, yylex, yyprint,
4926 make_pointer_declarator): Are now here for C/ObjC.
4927 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4929 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4930 #pragma registry. Provide dummy implementation of that
4931 interface if !USE_CPPLIB.
4932 * c-pragma.h: Update to match.
4934 * flags.h: Add multiple include guard.
4935 (flag_detailed_statistics): Moved here from C++.
4936 * toplev.c: Define flag_detailed_statistics.
4938 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4940 * timevar.def (TV_CPP, TV_LEX): New.
4941 * timevar.h: Add multiple include guard.
4943 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4945 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4946 Initialize cpplib properly. Force lineno to 0 after first
4947 call to check_newline. Don't handle -lang-objc here.
4948 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4950 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4952 * rs6000.md: Correct function unit definitions for cr_logical and
4954 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4955 and use portable method for >=0 and floating point >=. Remove
4956 associated matchers.
4958 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4960 * extend.texi: Mark named return value extension as deprecated.
4962 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4964 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4967 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4969 * toplev.c (display_help): Fix thinko in documentation.
4971 * diagnostic.h (output_buffer::indent_skip): New fields.
4972 (output_indentation): New macro.
4974 * diagnostic.c (output_indent): New function.
4975 (output_set_prefix, clear_diagnostic_info): Use.
4976 (output_emit_prefix): Predict future indentation.
4978 2000-09-06 DJ Delorie <dj@redhat.com>
4980 * Makefile.in (stage_*): add more dependencies to ensure parallel
4981 builds build correctly
4983 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4985 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4986 not bootstrap-lean_f.
4988 2000-09-06 Andreas Schwab <schwab@suse.de>
4990 * mklibgcc.in: Emit rule for libgcc-stage-start.
4991 * Makefile.in (stage1-start, stage2-start, stage3-start,
4992 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4994 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4996 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4997 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4998 (combine_regs): Likewise.
5000 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5001 * cse.c: Include "basic-block.h".
5002 (struct table_elt): New field REGCOST.
5003 (CHEAP_REG): Delete macro.
5004 (COST): Return 0 for REGs.
5005 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5006 (notreg_cost): Return 0 for appropriate SUBREGs.
5007 (COSTS_N_INSNS): Return N * 2.
5008 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5010 (CHEAPER): Use new function preferrable.
5011 (insert): Initialize REGCOST member.
5012 (find_best_addr): Use approx_reg_cost for estimation of register
5014 (cse_insn): Likewise.
5015 * loop.c (iv_add_mult_cost): New function.
5016 (add_cost, shift_cost, mult_cost): Delete variables.
5017 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5018 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5019 Make code that detects autoinc opportunities slightly less optimistic.
5020 (simplify_giv_expr): If expression contains other reg that is also a
5021 giv, only increment benefit if this is the only use of that reg.
5022 (consec_sets_giv): Take that change into account.
5023 (combine_givs): Slightly more verbose output.
5025 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5026 not the cost of an equivalent shift.
5027 * sh-protos.h (addsubcosts): Declare.
5028 * sh.c (addsubcosts): New function.
5029 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5030 (RTX_COSTS): Tweak. Use addsubcosts.
5031 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5033 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5035 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5036 (branch_comparison_operator): Call validate_condition_mode to
5037 abort rather than returning 0.
5038 (branch_positive_comparison_operator): New function.
5039 (scc_comparison_operator): Call validate_condition_mode to abort
5040 rather than returning 0.
5041 (ccr_bit): Call validate_condition_mode. Update for
5043 (print_operand): Delete %C modifier. Update %E case
5044 to use EQ bit not SO bit.
5045 (rs6000_reverse_condition): New function.
5046 (rs6000_generate_compare): New function.
5047 (rs6000_emit_sCOND): New function.
5048 (rs6000_emit_cbranch): New function.
5049 (output_cbranch): The length of a long branch insn is
5050 now only 8 bytes. Add validate_condition_mode. Use
5051 rs6000_reverse_condition. Remove cror generation.
5053 * config/rs6000/rs6000.h: Update comments.
5054 (PREDICATE_CODES): Add new predicate. Update codes used
5055 by branch_comparison_operator and scc_comparison_operator.
5056 * config/rs6000/rs6000-protos.h: Add prototypes for
5057 new external functions.
5058 * config/rs6000/rs6000.md: Add new scheduling parameters
5059 for cr_logical instructions. Change length of branch
5061 (bCOND patterns): Call rs6000_emit_cbranch.
5062 (sCOND patterns): Call rs6000_emit_sCOND.
5063 (branch patterns): Change lengths to 4.
5064 (cr logical patterns): New.
5066 2000-09-06 Richard Henderson <rth@cygnus.com>
5068 * config/i386/i386.md (call_pop): Fix test for setting
5069 current_function_uses_pic_offset_table.
5070 (call, call_value_pop, call_value): Likewise.
5072 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5074 * timevar.c (timevar_add): Delete.
5075 (timevar_get): Also count time since the selected timer was
5076 last updated. Do not examine the timevar stack if the
5077 selected timer is standalone.
5079 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5081 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5083 2000-09-05 Jason Merrill <jason@redhat.com>
5085 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5086 for 'extern' arrays.
5088 2000-09-05 Richard Henderson <rth@cygnus.com>
5090 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5091 Eliminate final copy from non-trapping case.
5092 (__divdf3, __divsf3): Likewise.
5094 2000-09-05 Richard Henderson <rth@cygnus.com>
5096 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5097 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5099 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5101 * Makefile.in: Restructure bootstrap stages to allow clean
5102 restart after failure.
5104 2000-09-05 Richard Henderson <rth@cygnus.com>
5106 * config/ia64.md (movsi and movdi patterns): Allow moves from
5107 8-bit constants to AR registers.
5109 2000-09-05 Richard Henderson <rth@cygnus.com>
5111 * config/ia64/ia64.md (mulhi3): New.
5113 2000-09-05 Richard Henderson <rth@cygnus.com>
5115 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5116 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5117 Optimization Guide, minimum latency alternative.
5118 (__moddi3, __udivdi3, __umoddi3): Likewise.
5119 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5121 2000-09-05 Bruce Korb <bkorb@gnu.org>
5123 * fixinc/fixincl.c (load_file): always read header files
5124 with sizes that are a multiple of the page size.
5125 & use libiberty's getpagesize for determining that.
5127 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5129 * gcse.c (hash_string_1): Add prototype.
5130 * cse.c (canon_hash_string): Likewise.
5132 2000-09-04 Craig Newell <CraigN@ieee.org>
5134 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5136 2000-09-04 Andreas Schwab <schwab@suse.de>
5138 * Makefile.in (STAGESTUFF): Remove libgcc.
5139 (stage1-start, stage2-start, stage3-start): Copy the contents of
5140 the libgcc directory explicitly.
5141 (mostlyclean): Clean libgcc.
5143 2000-09-04 Andrew Haley <aph@redhat.com>
5145 * dwarf2out.c: (stack_adjust_offset): New prototype.
5147 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5149 * combine.c (make_extraction): Fix rtx_cost comparison to
5152 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5154 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5155 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5156 Add '*' to insn pattern name.
5158 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5160 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5161 use posn - 1 to index into tokens array.
5162 (maybe_paste_with_next): Adjust caller.
5164 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5166 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5168 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5169 (REGNO_REG_CLASS): Use symbolic register
5172 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5174 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5175 recognized, don't try to conditionally execute it.
5177 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5179 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5180 (call_value_insn): Right length claculation.
5181 (call_insn): Likewise.
5183 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5185 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5186 gas_output_limited_string, gas_output_ascii, output_movqi,
5187 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5188 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5189 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5190 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5191 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5192 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5193 Add "const" as needed to remove warnings.
5195 * config/avr/avr.c (avr_override_options, avr_init_once,
5196 function_prologue, function_epilogue, frame_pointer_required_p,
5197 class_likely_spilled_p, order_regs_for_local_alloc,
5198 avr_address_cost, avr_ret_register): Use K&R style arguments.
5199 (initial_elimination_offset, gas_output_limited_string):
5200 Remove ATTRIBUTE_UNUSED from the used arguments.
5201 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5202 Use local variables src, dest, base to access operands[].
5203 Rename reg_dest to reg_src if that's what it is.
5204 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5205 constants to LD_REGS if reg_was_0.
5206 (output_reload_insisf): Change arg 3 to insn length and set it.
5207 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5208 access to 16-bit I/O register pairs.
5209 (avr_address_cost): Lower cost for the above case.
5210 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5211 may be clobbered, also for LD_REGS.
5212 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5215 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5217 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5218 macro to test_hard_reg_class function.
5219 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5220 for loading immediate constants to LD_REGS.
5221 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5224 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5226 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5227 * config/avr/libgcc.S: Lost part of the previous patch.
5229 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5231 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5232 object before calling pthread_mutex_init.
5234 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5236 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5237 config/sh/crtn.asm: New files.
5238 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5239 (crt1.o, crti.o, crtn.o): New targets.
5240 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5242 * configure: Rebuilt.
5243 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5244 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5245 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5246 Undefine for config/elfos.h to redefine.
5247 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5249 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5251 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5252 legitimize_pic_address, output_pic_addr_const): Declare.
5253 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5254 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5255 (TARGET_SWITCHES): New switch -mprefergot.
5256 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5257 (PIC_OFFSET_TABLE_REGNUM): Define.
5258 (GOT_SYMBOL_TABLE): Likewise.
5259 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5260 (ENCODE_SECTION_INFO): Define.
5261 (FINALIZE_PIC): New macros.
5262 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5263 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5264 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5265 (prepare_move_operands): Call emit_pic_move or
5266 emit_pic_const_move if appropriate.
5267 (output_far_jump): For PIC, use braf and output long offset.
5268 (machine_dependent_reorg):
5269 (sh_expand_prologue): Save and initialize the PIC register.
5270 (sh_expand_epilogue): Restore it.
5271 (initial_elimination_offset): Account for it.
5272 (nonpic_symbol_mentioned_p): New function.
5273 (legitimize_pic_address): Likewise.
5274 (output_pic_addr_const): Likewise.
5275 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5276 (call, call_value): Use them.
5277 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5278 symPLT_label2reg): New expands.
5279 * invoke.texi (SH Options): Document -mprefergot.
5281 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5283 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5284 * gcse.c (hash_string_1): New function.
5285 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5286 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5287 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5288 (canon_hash_string): New function.
5289 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5290 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5291 (fold_rtx): Use ASM_OPERANDS accessor macros.
5292 * emit-rtl.c (copy_insn_1): Likewise.
5293 * integrate.c (copy_rtx_and_substitute): Likewise.
5294 * stmt.c (expand_asm_operands): Likewise. Give an
5295 ASM_OPERANDS rtx the mode of the output reg being set from it.
5297 2000-09-01 Fred Fish <fnf@be.com>
5299 * fix-header.c (write_rbrac): Add putc and getc to list of
5300 functions to protect against prior definition as a macro.
5302 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5304 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5305 (c_size_type_node): Define.
5306 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5307 * c-common.c (enum format_lengths, enum format_std_version,
5308 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5309 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5310 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5311 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5312 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5313 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5314 format_types): Define.
5315 (format_char_info, print_char_table, scan_char_table,
5316 time_char_table): Rearrange for new organization of information
5317 about format length modifiers and standard versions.
5318 (T_ST): Redefine to use c_size_type_node.
5319 (check_format_info): Obtain information about length modifiers and
5320 standard versions from tables. Adjust warning message wordings.
5321 Use the name from the user's program for `ll' and `hh' length
5322 modifiers in warning messages. Use more informative names for
5323 wanted types where available (for wchar_t, wint_t, size_t, signed
5324 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5326 2000-09-01 Jim Wilson <wilson@cygnus.com>
5328 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5329 * combine.c (distribute_notes): Handle REG_NORETURN.
5330 * rtl.c (reg_note_name): Add REG_NORETURN.
5331 * rtl.h (enum reg_note): Likewise.
5333 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5335 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5336 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5337 (emit_predicate_relation_info): Handle conditional calls with
5339 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5340 instead of ia64_file_start.
5341 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5342 * config/ia64/ia64.md (safe_across_calls_all,
5343 save_across_calls_normal): New patterns.
5345 * loop.c (check_final_value): Check for biv use before checking for
5346 giv use. Check for both biv and giv uses. Always set last_giv_use
5347 if there is a giv use.
5349 2000-09-01 Richard Henderson <rth@cygnus.com>
5351 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5352 (madddi3): Likewise.
5355 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5357 * expr.c (clear_storage): Don't use emit_move_insn unless
5358 either BLKmode or proper size.
5359 (store_constructor): Don't call clear_storage if REG of wrong size.
5361 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5362 of function if returns wiht stack pointer depressed.
5364 2000-09-01 Andrew Haley <aph@redhat.com>
5366 * dwarf2out.c (stack_adjust_offset): New function.
5367 (dwarf2out_stack_adjust): Break out stack adjust logic into
5368 new stack_adjust_offset function. Look inside parallels and
5369 sequences for stack adjustments.
5371 2000-08-31 Jeff Law <law@cygnus.com>
5373 * arm.md: Use no_new_pseudos to determine when it is safe
5374 to create new pseudo registers.
5376 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5377 when we can safely allocate new registers.
5379 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5381 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5382 so that CONCATs are not generated for ASMs.
5383 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5384 not generating_concat_p.
5385 * function.c (pop_function_context_from): Reset
5386 generating_concat_p.
5387 (prepare_function_start): Likewise.
5388 * rtl.c (generating_concat_p): Define.
5389 * rtl.h (generating_concat_p): Declare.
5390 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5392 2000-08-22 Philipp Thomas <pthomas@suse.de>
5393 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5395 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5398 2000-08-30 Greg McGary <greg@mcgary.org>
5400 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5401 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5402 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5404 2000-08-30 Greg McGary <greg@mcgary.org>
5406 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5407 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5408 (TREE_INT_CST): New macro.
5409 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5410 Use new macro TREE_INT_CST.
5412 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5414 * contrib.texi: Add self.
5416 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5418 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5419 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5422 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5424 * fixinc/gnu-regex.c: Don't define `const'.
5426 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5428 * expr.c (store_constructor): Allow variable bounds of array type.
5429 (expand_expr): Don't blow up if type is ERROR_MARK.
5430 * varasm.c (output_constructor): Don't access lower bound of array
5431 type unless need it if index is supplied (so it can be a variable
5432 if no index is supplied).
5433 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5434 Other minor cleanups.
5436 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5438 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5439 for compilations in stage 1 and subsequent stages, respectively.
5440 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5441 * configure: Rebuilt.
5442 * x-vax, x-vax-gcc: Deleted.
5444 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5446 * c-common.c (declare_function_name): Use func_id_node,
5447 function_id_node, and pretty_function_id_node. Do not make
5448 __func__ visible at file scope.
5449 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5450 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5451 (function_id_node, pretty_function_id_node, func_id_node): New
5453 * c-decl.c (init_decl_processing): Initialize function_id_node,
5454 pretty_function_id_node, and func_id_node.
5455 (c_make_fname_decl): Correct comment.
5457 * tree.h (struct tree_identifier): Constify pointer member.
5459 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5460 * c-pragma.h (struct weak_syms): Constify name and value members.
5461 (add_weak): Constify arguments.
5463 * calls.c (special_function_p): Constify a char *.
5464 (expand_call): Remove variable which is initialized and then
5466 * dependence.c (struct def_use, struct induction, struct subscript):
5467 Constify 'variable' member.
5468 (get_low_bound, have_induction_variable): Constify char * argument.
5469 (find_induction_variable): Add braces to avoid dangling else.
5470 (classify_dependence): Constify char * arrays.
5471 * profile.c (output_func_start_profiler): Constify a char *.
5472 * stor-layout.c (finalize_record_size): Constify a char *.
5473 * tree.c (is_attribute_p): Constify a char *.
5474 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5476 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5477 for comprehensibility. Do not call get_identifier if we did
5478 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5479 create temporary string constants, not ggc_alloc_string. No
5480 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5481 char * to hold IDENTIFIER_POINTERs.
5483 2000-08-29 Richard Henderson <rth@cygnus.com>
5485 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5488 2000-08-29 Richard Henderson <rth@cygnus.com>
5490 * reload.c (push_secondary_reload): Allow class == reload_class
5491 if we're using a reload_in/out pattern.
5493 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5494 the half that does not conflict with the reload register.
5495 (reload_outti): Likewise.
5497 2000-08-29 Kazu Hirata <kazu@hxi.com>
5499 * reload.c: Fix formatting.
5501 * stmt.c: Fix formatting.
5503 * gcc.c: Fix formatting.
5505 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5507 * flags.h (time_report, mem_report): New global flags.
5508 * toplev.c: Define time_report and mem_report.
5509 (f_options): Add -ftime-report and -fmem-report.
5510 (compile_file): Turn on time_report if quiet_flag is off.
5511 Call ggc_print_statistics at very end if mem_report is on.
5512 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5514 * ggc-common.c (ggc_print_statistics): Rename to
5515 ggc_print_common_statistics; all callers changed. Scale
5516 quantities above 10K to kilobytes and above 10M to megabytes.
5517 * ggc-page.c (ggc_page_print_statistics): Rename to
5518 ggc_print_statistics. Report memory consumed by internal data
5519 structures for each allocation bucket. Scale quantities above
5520 10K to kilobytes and above 10M to megabytes.
5521 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5522 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5523 Define tally_leaves always.
5524 (ggc_print_statistics): New function.
5525 * ggc.h: Adjust for renamed functions.
5527 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5529 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5530 output_movsisf instead of which_alternative.
5532 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5534 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5536 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5537 (avr_progmem_p): New prototype.
5538 (output_movsisf): Prototype declaration changed.
5539 (output_movqi): New prototype.
5540 (output_movhi): New prototype.
5541 (call_insn_operand): Likewise.
5542 (final_prescan_insn): Likewise.
5543 (avr_simplify_comparision_p): Likewise.
5544 (avr_normalize_condition): Likewise.
5545 (compare_eq_p): Likewise.
5546 (out_shift_with_cnt): Likewise.
5547 (const_int_pow2_p): Likewise.
5548 (output_reload_inhi): Prototype declaration changed.
5550 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5551 (ldi_reg_rtx): New. rtx for r31.
5552 (avr_init_stack): Initialize as "__stack".
5553 (function_prologue): Use it.
5554 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5555 (avr_mcu_name): Initialize as "avr2".
5556 (avr_enhanced_p, avr_mega_p): New variables.
5557 (mcu_types, avr_override_options): Handle all known MCU types.
5558 Also handle avr1 (only preprocess, assemble and link).
5559 (print_operand): Using of `%K' in output template removed.
5560 (out_movqi_r_mr): Optimized.
5561 (out_movhi_r_mr): Likewise.
5562 (output_movqi): New function.
5563 (output_movhi): Likewise.
5564 (out_movsi_r_mr): Optimized.
5565 (output_movsisf): Compute insn length for `adjust_insn_length'
5566 (out_movqi_mr_r): Optimized.
5567 (out_movhi_mr_r): Optimized.
5568 (adjust_insn_length): Use output_movsisf, output_movqi,
5569 output_movhi for insn length adjusting.
5570 (reg_unused_after): Use dead_or_set_p.
5571 (preferred_reload_class): Now havn't any restriction.
5572 (reg_was_0): New function.
5573 (io_address_p): Likewise.
5574 (const_int_pow2_p): Likewise.
5575 (output_reload_inhi): Likewise.
5576 (output_reload_insisf): Likewise.
5578 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5579 (LIB_SPEC): Use -lc for all supported devices.
5580 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5581 (AVR_MEGA): Define as avr_mega_p.
5582 (AVR_ENHANCED): New, define as avr_enhanced_p.
5583 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5584 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5585 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5586 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5587 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5588 (ASM_SPEC): Pass -mmcu=... to the assembler.
5589 Change all -DAVR_* to -D__AVR_*__.
5590 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5591 Rename library functions to start with two underscores.
5592 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5594 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5595 (SUPPORTS_WEAK): Likewise.
5596 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5597 register for loading constants to r0-r14.
5599 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5601 (*mov_r_sp): Removed. Handled by output_movhi.
5602 (*mov_sp_r): Likewise.
5603 (*mov_sp_r_no_interrupts): Likewise
5604 (*mov_sp_r_tiny): Likewise.
5605 (*movqi): Use output_movqi.
5606 (*reload_inqi): New.
5607 (*movhi): Use output_movhi.
5608 (*reload_inhi): New.
5609 (*negsi2): Optimized.
5610 (*negsf2): Likewise.
5611 Added peepholes (define_peephole2) for loading constants to r0-r14
5612 and for using `cpse' command.
5614 * config/avr/libgcc.S: Rename library functions to start with two
5616 Add support for enhanced core.
5617 (_moqhi3): Fix typo, now _modqi3.
5618 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5619 (__prologue_saves__): Remove test for stack adjust by 0.
5620 (__tablejump__): New.
5622 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5623 Add multilib support.
5625 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5627 * loop.c (prescan_loop): Don't check unknown_address_altered
5628 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5629 to loop_store_mems as necessary.
5630 (loop_invariant_p): Don't check unknown_address_altered
5631 or unknown_constant_address_altered.
5633 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5635 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5637 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5639 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5640 print just the filename.
5641 * cpplex.c (_cpp_run_directive): Add additional argument, the
5642 name to give the synthetic buffer. This defaults to
5643 translated "<command line>".
5644 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5646 (_cpp_define_builtin): New function.
5647 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5648 * cpphash.h: Update prototypes.
5650 * tradcpp.c (main): Process -D and -U simultaneously, in the
5651 order they appeared on the command line.
5653 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5655 * c-decl.c (define_label): Call warning_with_file_and_line and
5656 error_with_file_and_line instead of plain warning or error.
5658 * c-parse.in (label): Use save_filename/save_lineno to ensure
5659 correct values for calls to define_label.
5661 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5663 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5665 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5667 * tree.h (get_file_function_name): Remove two duplicate
5670 2000-08-28 Kazu Hirata <kazu@hxi.com>
5672 * tree.c: Fix formatting.
5674 * xcoffout.c: Fix formatting.
5676 2000-08-28 Jason Merrill <jason@redhat.com>
5678 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5680 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5682 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5683 break_out_includes if it won't do anything.
5685 2000-08-28 Richard Henderson <rth@cygnus.com>
5687 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5688 (find_reloads): Likewise.
5689 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5690 (reload_inhi): Likewise.
5692 2000-08-28 Richard Henderson <rth@cygnus.com>
5694 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5695 (call_insn_operand): Don't expect a surrounding mem.
5696 (constant_call_address_operand): Likewise.
5697 * config/i386/i386.h (PREDICATE_CODES): Update.
5698 * config/i386/i386.md (call patterns): Move the match_operand
5699 for the call destination inside the mem.
5701 2000-08-28 Richard Henderson <rth@cygnus.com>
5703 * local-alloc.c (requires_inout): Don't use reserved range for
5704 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5705 * recog.c (asm_operand_ok): Likewise.
5706 (preprocess_constraints, constrain_operands): Likewise.
5707 * regclass.c (record_reg_classes): Likewise.
5708 * reload.c (find_reloads): Likewise.
5709 * reload1.c (maybe_fix_stack_asms): Likewise.
5710 (reload_cse_simplify_operands): Likewise.
5711 * stmt.c (expand_asm_operands): Likewise.
5713 * md.texi: Update constraints documentation.
5714 * tm.texi (EXTRA_CONSTRAINT): Update.
5716 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5718 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5719 (print_die): If we don't know the offset of the
5720 target die, try the symbol. Add a trailing newline.
5721 (reverse_all_dies): New fn.
5722 (dwarf2out_finish): Call it.
5723 (break_out_includes): Reorganize for clarity.
5724 (add_sibling_attributes): Don't call reverse_die_lists.
5725 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5727 * flags.h: Add flag_eliminate_dwarf2_dups.
5728 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5730 2000-08-28 Jason Merrill <jason@redhat.com>
5732 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5733 * dwarf2out.c: #include "md5.h".
5734 (DIE_LABEL_PREFIX): New macro.
5735 (dw_val_struct): Add 'external' flag to val_die_ref.
5736 (add_AT_die_ref, AT_ref): Adjust.
5737 (AT_ref_external, set_AT_ref_external): New fns.
5738 (build_abbrev_table): Call set_AT_ref_external.
5739 (value_format): Call AT_ref_external.
5740 (die_struct): Add die_symbol field.
5741 (new_die): Clear it.
5742 (dwarf_tag_name): Handle BINCL/EINCL.
5743 (dwarf2out_start_source_file): Add BINCL DIE.
5744 (dwarf2out_end_source_file): Add EINCL DIE.
5745 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5746 (loc_checksum, attr_checksum, die_checksum): New fns.
5747 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5748 (compute_section_prefix, assign_symbol_names): New fns.
5749 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5750 (output_die): Call output_die_symbol and AT_ref_external.
5751 (output_comdat_comp_unit): New fn, split out from...
5752 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5754 (output_pubnames, output_aranges): Abort if we see entries from
5756 * toplev.h: Declare file_name_nondirectory.
5757 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5758 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5759 (debug_start_source_file): Call dwarf2out_start_source_file
5760 regardless of debug verbosity.
5761 (debug_end_source_file): Similarly.
5762 * tree.h: Declare clean_symbol_name.
5763 * tree.c (clean_symbol_name): Split out from...
5764 (get_file_function_name_long): ...here.
5766 * dwarf2out.c (new_loc_descr): Use calloc.
5767 (splice_child_die): Remove the die from the right parent.
5768 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5770 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5772 * toplev.c (decode_g_option): Don't give warning for unknown -g
5773 option; return 0 instead.
5774 (main): If -g option is not recognized by front end or
5775 language-independent code, give warning.
5777 2000-08-28 Greg McGary <greg@mcgary.org>
5779 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5780 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5781 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5783 2000-08-27 Greg McGary <greg@mcgary.org>
5785 * cpplex.c (parse_string): Don't look for backslash
5786 before first char in `namebuf'.
5787 * loop.c (strength_reduce): Skip NOTEs.
5789 2000-08-27 Jason Merrill <jason@redhat.com>
5791 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5792 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5793 TREE_ASM_WRITTEN, either.
5794 (finish_decl): Adjust.
5796 2000-08-28 Philipp Thomas <pthomas@suse.de>
5798 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5799 they have been incorporated into the gettext CVS. Change the text to
5800 reflect the current status of NLS. Add instructions for accessing
5801 the gettext CVS and add the patch from Martin v. Loewis.
5803 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5805 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5806 by using gen_lowpart_common.
5807 (movdi_internal64+6): Likewise.
5809 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5811 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5814 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5815 numbers to the ranges used by GDB.
5817 2000-08-25 Richard Henderson <rth@cygnus.com>
5819 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5820 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5821 (ia64_expand_prologue): Likewise.
5822 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5823 argument for stdargs.
5825 2000-08-25 Jason Merrill <jason@redhat.com>
5827 * integrate.c (expand_inline_function): Pull out the original decl.
5829 2000-08-25 Jim Wilson <wilson@cygnus.com>
5831 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5833 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5835 2000-08-25 Greg McGary <greg@mcgary.org>
5837 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5838 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5840 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5842 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5844 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5846 * i386.c (ix86_find_base_term): New.
5847 * i386-protos.h (ix86_find_base_term): Prototype.
5848 * i386.h (FIND_BASE_TERM): Define.
5849 * alias.c (find_base_term): Use it.
5850 * tm.texi (FIND_BASE_TERM): Document it.
5852 * alias.c (true_dependence, write_dependence_p): Unchanging
5853 memory can't conflict with non-unchanging memory.
5855 * alias.c (memrefs_conflict_p): A BLKmode reference
5856 to a symbol (or CONST_INT address) always conflicts
5857 with a reference to another symbol.
5859 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5861 * c-common.c (time_char_table): Don't allow width and flags with
5864 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5866 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5867 way as LT and LTU when the second operand has 0 in low word.
5869 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5871 * basic-block.h (struct loop): Rename `exits' field to
5872 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5874 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5875 (flow_loop_entry_edges_find): Add.
5876 (flow_edge_list_print): Rename from flow_exits_print.
5877 (flow_loops_find): Call flow_loop_entry_edges_find.
5878 (flow_loop_dump): Dump entry_edges list.
5879 (flow_loops_free): Free entry_edges.
5881 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5883 * loop.c (loop_dump_aux, debug_loop): New functions.
5884 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5886 * flow.c (flow_loops_dump): Add callback parameter.
5887 (flow_loop_dump): Add callback parameter and call it. Move
5888 loop note debugging code to loop_dump_aux.
5890 * basic-block.h (flow_loop_dump): Add callback parameter
5891 (flow_loops_dump): Likewise.
5893 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5894 to call to flow_loops_dump.
5896 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5898 * loop.c (count_loop_regs_set): Replace start and end arguments
5899 with loop argument. All callers udated.
5901 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5903 * loop.c (constant_high_bytes): Delete.
5905 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5907 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5908 and NOTE_INSN_LOOP_VTOP to...
5909 (find_and_verify_loops) ...here.
5911 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5913 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5914 (fini_dummy, init_dummy): Use it.
5916 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5918 * cpplex.c (is_macro_disabled): Caller has already checked
5919 that we're not a preprocessed file.
5921 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5923 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5924 (c-iterate.o): Remove target.
5925 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5926 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5927 (finish_decl): Don't handle iterators.
5928 (grokdeclarator): Likewise.
5929 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5930 * gcc/c-gperf.h: Regenerated.
5931 * gcc/c-iterate.c: Removed.
5932 * gcc/c-lex.c (init_lex): Don't handle iterators.
5933 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5934 (compstmt_primary_start): Remove push_iterator_stack call.
5935 (stmt): Don't allow iterator statements. Replace iterator_expand
5936 with expand_expr_stmt.
5937 (all_iter_stmt): Remove.
5938 (all_iter_stmt_simple): Likewise.
5939 (all_iter_stmt_with_decl): Likewise.
5940 * gcc/c-tree.h (ITERATOR_P): Remove.
5941 (ITERATOR_BOUND_P): Likewise.
5942 (init_iterators): Remove declaration.
5943 (iterator_expand): Likewise.
5944 (iterator_for_loop_start): Likewise.
5945 (iterator_for_loop_end): Likewise.
5946 (iterator_for_loop_record): Likewise.
5947 (push_iterator_stack): Likewise.
5948 (pop_iterator_stack): Likewise.
5949 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5950 (readonly_warning): Likewise.
5951 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5953 2000-08-24 Jim Wilson <wilson@cygnus.com>
5955 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5956 Copy type in a TYPE_DECL, just like pushdecl does.
5958 2000-08-24 Richard Henderson <rth@cygnus.com>
5960 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5962 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5964 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5965 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5966 the extras on the free list.
5967 (release_pages): Clean up.
5968 (ggc_set_mark): Don't adjust G.allocated here...
5969 (sweep_pages): ... do it here.
5971 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5973 * cppfiles.c (read_include_file): Rearrange initializations.
5975 2000-08-24 Richard Henderson <rth@cygnus.com>
5977 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5979 * config/ia64/ia64-protos.h: Update.
5980 * config/ia64/ia64.c (gr_register_operand): New.
5981 (fr_register_operand, grfr_register_operand): New.
5982 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5983 (grfr_reg_or_8bit_operand): New.
5984 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5985 use gr_register_operand.
5986 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5987 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5988 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5989 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5990 (fr_reg_or_fp01_operand): Likewise.
5991 (not_postinc_memory_operand): New.
5992 (ia64_split_timode): Remove unused variables.
5993 (rtx_needs_barrier): Check arguments to cmpxchg.
5994 (builtin_description): Remove.
5995 (bdesc_2argsi, bdesc_2argdi): Remove.
5996 (ia64_init_builtins): Declare all builtins directly.
5997 (ia64_expand_fetch_and_op): Rewrite to be called from
5998 ia64_expand_builtin directly. Use expand_binop and co.
5999 (ia64_expand_op_and_fetch): Likewise.
6000 (ia64_expand_compare_and_swap): Likewise.
6001 (ia64_expand_binop_builtin): Remove.
6002 (ia64_expand_lock_test_and_set): New.
6003 (ia64_expand_lock_release): New.
6004 (ia64_expand_builtin): Use them.
6005 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6006 (EXTRA_CONSTRAINT): Use it.
6007 (PREDICATE_CODES): Update.
6008 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6009 (mf): Indicate that we set memory as well as use it.
6010 (fetchadd_acq_si): Show memory being modified as well.
6011 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6012 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6013 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6014 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6015 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6016 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6017 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6018 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6019 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6020 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6021 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6022 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6023 return type. Pretty print definitions.
6025 2000-08-24 Jim Wilson <wilson@cygnus.com>
6027 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6028 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6030 2000-08-24 Jason Merrill <jason@redhat.com>
6032 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6033 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6034 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6035 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6037 2000-08-24 Greg McGary <greg@mcgary.org>
6039 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6040 and extendtab within their proper array boundaries.
6041 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6042 for the entire array.
6044 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6045 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6046 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6047 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6048 * config/i386/dgux.c (output_options): Likewise.
6049 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6050 * config/m88k/m88k.c (output_options): Likewise.
6051 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6052 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6053 layout_mcore_frame, handle_structs_in_regs): Likewise.
6054 * config/mips/mips.c (output_block_move): Likewise.
6055 * config/rs6000/rs6000.c (rs6000_override_options,
6056 rs6000_file_start): Likewise.
6057 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6058 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6059 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6060 * builtins.c (expand_builtin_setjmp): Likewise.
6061 * expr.c (safe_from_p): Likewise.
6062 * flow.c (life_analysis): Likewise.
6063 * fold-const.c (size_int_type_wide): Likewise.
6064 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6065 * genattrtab.c (make_length_attrs): Likewise.
6066 * genopinit.c (gen_insn): Likewise.
6067 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6068 * global.c (global_alloc): Likewise.
6069 * local-alloc.c (find_free_reg): Likewise.
6070 * mips-tdump.c (print_symbol): Likewise.
6071 * mips-tfile.c (parse_def, parse_input): Likewise.
6072 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6073 * stmt.c (expand_nl_goto_receiver): Likewise.
6074 * stor-layout.c (set_sizetype): Likewise.
6075 * varasm.c (decode_reg_name): Likewise.
6076 * toplev.c (decode_f_option, decode_W_option,
6077 set_target_switch, print_switch_values): Likewise.
6078 (NUM_ELEM): Remove macro.
6079 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6081 2000-08-24 Greg McGary <greg@mcgary.org>
6083 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6084 (MAIN_NAME_P, main_identifier_node): New macros.
6085 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6086 * c-decl.c (start_decl, grokdeclarator, start_function,
6087 store_parm_decls, finish_function): Use MAIN_NAME_P.
6088 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6089 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6090 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6091 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6093 2000-08-24 Greg McGary <greg@mcgary.org>
6095 * cppfiles.c (actual_directory): Don't write beyond `dir'
6096 when it contains "".
6097 * real.c (asctoeg): Stay within bounds of etens[][].
6099 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6101 * dependence.c (dependence_string, direction_string,
6102 dump_one_node, dump_node_dependence): Hide unused identifiers.
6103 (get_low_bound, normalize_coefficients): Match definition to
6105 (get_one_coefficient): Initialize variables `value0_is_idx' and
6107 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6108 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6109 (direction_merge): Avoid automatic aggregate initialization.
6110 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6111 Initialize variables `dest_idx' and `src_idx'.
6112 (end_dependence_analysis): Avoid C89 style function definition.
6114 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6116 * c-common.c (time_char_table): Don't allow width with %F.
6117 (check_format_info): Don't allow "Z" length with scanf.
6119 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6121 * diagnostic.c (finish_diagnostic): Define.
6122 (output_do_printf): Use wrap_text instead of output_add_string.
6123 (default_print_error_function): Avoid embedded '\n'.
6125 * diagnostic.h (flush_diagnostic_buffer): Declare.
6127 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6129 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6131 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6133 * Makefile.in (GCC_PASSES): Add specs.
6135 2000-08-23 Jim Wilson <wilson@cygnus.com>
6137 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6138 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6139 EHANDLER nor UHANDLER bit is set.
6140 (__get_except_table): Likewise.
6142 2000-08-23 Nick Clifton <nickc@redhat.com>
6144 * config/arm/lib1funcs.asm: Replace upper case condition codes
6145 with lower case versions.
6147 * config/arm/arm.h (STRUCT_VALUE): Define.
6148 (STRUCT_VALUE_REGNUM): Delete.
6150 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6152 * cpphash.h (IN_I): New flag for directive table.
6153 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6155 (_cpp_check_directive): If -fpreprocessed, execute directives
6156 marked with IN_I. Issue no warnings in this case.
6157 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6159 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6161 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6163 (check_format_info): Support printf 'I' flag; warn about it with
6166 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6168 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6169 barrier can't be ignored by the alias analysis code.
6171 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6173 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6174 works inside fixincl.
6176 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6178 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6179 simplify_relational_operation() unless both operands are of
6181 * cse.c (fold_rtx): Likewise.
6183 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6185 * rtlanal.c (rtx_unstable_p): The pic register is stable
6186 (within one function) and the actual rtx should be used
6187 when checking the registers.
6188 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6190 * alias.c (true_dependence, write_dependence_p): Fix
6191 bug in previous patch.
6193 * i386.c (ix86_GOT_alias_set): New.
6194 (legitimize_pic_address): Use it.
6196 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6197 only stable if its address is stable.
6198 (rtx_varies_p): An unchanging MEM can't vary if
6199 its address doesn't vary.
6201 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6203 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6205 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6207 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6208 * x-vax-gcc: New file for bootstrapping with gcc.
6209 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6210 * configure.in: Use x-vax-gcc with gcc.
6211 * configure: Rebuilt.
6213 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6215 * toplev.c (rest_of_compilation): Rebuild label notes after
6216 post-reload splitting pass if new labels have been created.
6218 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6220 * diagnostic.h (output_buffer_state): New macro.
6221 * diagnostic.c (diagnostic_for_decl, sorry,
6222 default_print_error_function, output_do_verbatim,
6223 report_diagnostic, report_problematic_module): Use it.
6225 (output_format): Use wrap_text instead of maybe_wrap_text.
6227 2000-08-22 Nick Clifton <nickc@redhat.com>
6229 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6230 Common code for ARM divide and modulus functions.
6231 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6233 (FUNC_END): New macro: Common code at the end of the division and
6235 (THUMB_FUNCTION_START): New macro: Common code at the start of
6237 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6239 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6241 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6243 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6244 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6247 2000-08-22 Nick Clifton <nickc@redhat.com>
6249 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6250 restorative additions, test for bottom bits of IP being set,
6251 rather than relying upon the RORs not matching.
6254 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6256 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6257 text_section() as appropriate instead of emitting text csect
6259 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6260 (UNIQUE_SECTION): Define macro.
6261 (ASM_OUTPUT_SECTION_NAME): Define macro.
6262 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6263 on AIX if debugging and -fdata-sections always.
6265 2000-08-22 Steven King <sxking@uswest.net>
6267 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6269 (LDBL_MAX): Same here.
6271 2000-08-22 Richard Henderson <rth@cygnus.com>
6273 * flow.c (tidy_fallthru_edge): Update b->end properly.
6275 2000-08-22 Stan Cox <scox@redhat.com>
6277 * Makefile.in (OBJS): Add dependence.o.
6278 * dependence.c: New file.
6280 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6282 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6284 (check_sibcall_argument_overlap): Likewise.
6286 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6288 * invoke.texi (SH Options): Document -m4-nofpu,
6289 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6290 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6292 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6294 * c-common.c (check_format_info): Give the 'some locales' warning
6295 for strftime %Ey rather than the unconditional 'only last 2 digits
6298 2000-08-22 Richard Henderson <rth@cygnus.com>
6300 * alias.c (init_alias_analysis): Do not register
6301 struct_value_incoming_rtx or static_chain_rtx as pointing
6304 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6306 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6308 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6310 * diagnostic.h (report_problematic_module): Declare.
6311 * diagnostic.c (report_problematic_module): New function.
6312 (report_error_function): Tweak.
6314 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6316 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6317 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6319 2000-08-21 Richard Henderson <rth@cygnus.com>
6321 * flow.c (calculate_global_regs_live): Mark frame pointer live
6322 everywhere before reload.
6324 2000-08-21 Jim Wilson <wilson@cygnus.com>
6326 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6327 INTEL_EXTENDED_IEEE_FORMAT.
6328 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6329 clear last two bytes of output FP value.
6331 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6333 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6335 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6337 * unroll.c (loop_find_equiv_value): If ret is modified between
6338 insn and loop_start, ret might not be equivalent to reg.
6340 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6342 * c-common.c (init_dollar_format_checking,
6343 maybe_read_dollar_number, finish_dollar_format_checking): New
6345 (dollar_arguments_used, dollar_arguments_count,
6346 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6348 (check_format_info): Support $ formats for scanf and printf width
6349 and precision. Always increment format_chars to advance past the
6350 '*' of precision, not just when the format parameters are
6353 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6355 * mips.c (block_move_loop, expand_block_move,
6356 function_arg_partial_nregs, save_restore_insns, function_prologue,
6357 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6359 (function_arg_advance, function_arg): Match argument to format
6362 2000-08-21 Nix <nix@esperi.demon.co.uk>
6364 * gcc.c (do_spec_1): Implement %j spec flag.
6365 Remove dead comment.
6367 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6368 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6369 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6370 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6372 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6373 writable) instead of hardcoded value.
6375 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6377 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6380 * gcc.c (cc1_options): Do not process -o or run the assembler if
6382 * objc/lang-spec.h: Likewise.
6384 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6386 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6387 "external" fixes through `cat', to avoid truncating the input
6388 file by redirection.
6390 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6392 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6394 (lea_general_2, lea_general_3): Likewise.
6396 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6398 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6399 warnings to user code.
6401 * c-lex.c (readescape, yylex): Likewise.
6403 * c-typeck.c (store_init_value, process_init_element): Likewise
6404 (c_expand_start_case): Format.
6406 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6408 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6410 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6411 and linker_endian_spec to endian_spec.
6412 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6413 (LINK_SPEC): Remove %{EB} and %{EL}.
6414 (ASM_SPEC): Likewise. Use %(endian_spec).
6416 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6418 * c-tree.h (flag_hosted): Move declaration from here...
6419 * c-common.h (flag_hosted): ... to here.
6420 (flag_noniso_default_format_attributes): New declaration.
6421 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6422 (c_decode_option): Set it appropriately for options choosing
6423 language standard variant.
6424 * c-common.c (init_function_format_info): Only provide default
6425 format attributes if flag_hosted. Only provide the gettext
6426 formats if flag_noniso_default_format_attributes. Update
6428 (check_format_info): Disable treatment of %a as a scanf flag in
6431 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6433 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6435 (check_format_info): Set 'wide' for scanf format widths. Warn for
6436 a zero scanf width. Make the check for writing into a constant
6437 object at the first level of indirection; at later levels, warn if
6438 any type qualifiers are encountered.
6440 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6442 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6444 (push_reload): Use reload_inner_reg_of_subreg.
6445 (combine_reloads): Do not combine reloads if the input reload
6446 is a SUBREG in which the inner part will need reloading.
6448 * global.c (global_alloc): Avoid passing dumpfile argument to
6450 * toplev.c (rest_of_compilation): Likewise.
6451 * reload.h (reload): Remove dumpfile argument. Callers changed.
6452 (debug_reload, debug_reload_to_stream): Move prototypes here.
6453 * rtl.h (reload): Remove dumpfile argument.
6454 * reload.c (debug_reload): Remove prototype.
6455 (debug_reload_to_stream): Likewise.
6456 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6459 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6461 * diagnostic.c (context_as_prefix): Export.
6462 (need_error_newline): Remove.
6463 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6464 (error_module_changed, record_last_error_module,
6465 error_function_changed, record_last_error_function): New functions.
6466 (initialize_diagnostics): Default intialize
6467 lang_diagnostic_starter, lang_diagnostic_finalizer.
6468 (init_output_buffer): Tweak.
6469 (file_name_as_prefix): New function.
6470 (announce_function, default_print_error_function,
6471 report_error_function, set_diagnostic_context): Tweak.
6473 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6475 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6476 condition expression.
6478 2000-08-20 Richard Henderson <rth@cygnus.com>
6480 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6482 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6484 * cppinit.c (cpp_init): Set global flag when called.
6485 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6487 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6489 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6490 before `process_directive' so that newlines won't be missed
6492 (cpp_printf): Increment `print->lineno' when newline is emitted.
6494 * cppmain.c (cb_ident): Likewise.
6495 (cb_define): Likewise.
6496 (cb_undef): Likewise.
6497 (cb_include): Likewise.
6498 (cb_def_pragma): Likewise.
6499 (dump_macros_helper): Likewise.
6501 2000-08-20 Richard Henderson <rth@cygnus.com>
6503 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6504 assigned before a loop.
6506 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6507 (ashrsi3, lshrsi3): Likewise.
6509 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6511 * c-lang.c: #include diagnostic.h
6512 (c_tree_printer): New function.
6513 (lang_init): Initialize lang_printer.
6515 * Makefile.in (c-lang.o): Depends on diagnostic.h
6517 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6519 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6521 * diagnostic.c (default_diagnostic_starter,
6522 default_diagnostic_finalizer): New functions.
6523 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6524 (pedwarn, pedwarn_with_file_and_line, error,
6525 error_with_file_and_line, fatal, warning,
6526 warning_with_file_and_line): Adjust call to report_diagnostic.
6527 (report_diagnostic): Rework.
6528 (set_diagnostic_context): New function.
6530 * diagnostic.h (struct diagnostic_context): New data structure.
6531 (diagnostic_message, diagnostic_argument_list,
6532 diagnostic_file_location, diagnostic_line_location,
6533 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6534 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6535 (set_diagnostic_context): Declare.
6536 (report_diagnostic): Change prototype.
6538 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6540 * fix-header.c (main): Initialize cpplib.
6542 2000-08-19 Michael Meissner <meissner@redhat.com>
6544 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6545 instructions in it before checking for indirect jumps.
6547 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6548 in a indirect jump as a potential for conditional execution.
6550 * d30v.h (d30v_init_expanders): Don't declare here.
6551 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6554 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6556 * cpp.texi: Add @section for assertions.
6558 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6560 * loop.c (scan_loop): Use CONST_CALL_P instead of
6561 checking for REG_LIBCALL / REG_RETVAL.
6563 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6565 * reload1.c (reload_as_needed): Accept dumpfile argument,
6566 pass it to emit_reload_insns.
6567 (emit_reload_insns): Add new dumpfile argument. If non-null
6568 then dump the reloads for each insn into the dumpfile.
6569 (reload): Pass dumpfile to reload_as_needed.
6571 * invoke.texi: Clean up linux-gnu vs linux comments.
6573 2000-08-19 Richard Henderson <rth@cygnus.com>
6575 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6576 (ia64_depz_field_mask): New.
6577 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6578 (PREDICATE_CODES): Update.
6579 * config/ia64/ia64.md: Update commentary.
6580 (depz_internal): New.
6581 (ashlsi3): Implement directly.
6582 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6583 (ashldi3): Use shladd.
6584 * config/ia64/ia64-protos.h: Update.
6586 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6588 * toplev.c (independent_decode_option): Always process -g.
6589 Remove third argument, now unused. Adjust caller to match.
6591 2000-08-18 Richard Henderson <rth@cygnus.com>
6593 * combine.c (make_compound_operation): Break after creating
6596 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6598 * cpplib.c (cpp_register_pragma_space): Just return if the
6599 namespace is already registered.
6601 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6603 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6604 constant amount. Do not generate ROTL instruction.
6606 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6608 * config/sh/elf.h: Do not include sh/sh.h.
6609 * config/sh/rtems.h: Likewise.
6610 * config/sh/rtemself.h: Do not include sh/elf.h.
6611 * configure.in: Get them included with `tm_file's.
6612 * configure: Rebuilt.
6614 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6615 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6617 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6619 * stor-layout.c (compute_record_type): Don't use mode of single
6620 field as mode of record if not integer mode of same type.
6622 * regmove.c (perhaps_ends_bb_p): New function.
6623 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6624 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6625 (fixup_match_1): Likewise.
6626 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6627 avoid signed/unsigned warnings.
6629 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6632 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6634 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6635 (_cpp_trigraph_map): Declaration moved from cpplex.c
6637 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6638 instead of 256. Use consistent test for designated initializers.
6639 (cpp_init): Initialize trigraph_map.
6640 (initialize_standard_includes, parse_option): Use memcmp
6643 * cpplex.c (init_trigraph_map): Remove.
6644 (trigraph_ok, trigraph_replace, lex_line): Refer to
6647 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6648 (do_unassert): Remove unused "next" local.
6650 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6652 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6654 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6657 2000-08-17 Richard Henderson <rth@cygnus.com>
6659 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6660 the first insn in a sequence.
6662 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6664 * alias.c (true_dependence, write_dependence_p): A read
6665 involving a label_ref or the constant pool doesn't create
6668 * rtl.h (unchanging): Improve documentation.
6670 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6672 * cse.c (insert_regs): Remove unused `regno'.
6674 2000-08-17 Neil Booth <NeilB@earthling.net>
6676 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6677 remove_dup_dirs. If qtail == brack, remove brack not
6679 (remove_dup_dir, remove_dup_dirs): New functions.
6681 2000-08-17 Neil Booth <NeilB@earthling.net>
6683 * cppinit.c (cpp_cleanup): Free include dir chains.
6684 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6685 (do_unassert): Free the assert with _cpp_free_definition.
6686 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6687 assertions. Make the node a T_VOID node.
6689 2000-08-17 Neil Booth <NeilB@earthling.net>
6691 * cppinit.c (path_include, append_include_chain):
6692 Remove 2nd parameter (struct cpp_pending *).
6693 (path_include, initialize_standard_includes, cpp_handle_option):
6694 Update callers appropriately.
6695 (cpp_handle_option): Use pend.
6697 2000-08-17 Neil Booth <NeilB@earthling.net>
6699 * cppinit.c (sort_options): Remove, put functionality in
6702 (initialize_builtins): Free memory.
6703 (cpp_start_read): Move init_IStable to cpp_init.
6705 * cpplib.h (cpp_init): New prototype.
6706 * cppmain.c (main): Call cpp_init.
6708 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6710 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6711 (rtx_unstable_p, rtx_varies_p): Process vectors.
6713 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6715 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6716 references to GLOBAL symbols. Use LOCAL where appropriate.
6718 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6720 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6721 use t-aix41 when host == target.
6723 2000-08-16 Richard Henderson <rth@cygnus.com>
6725 * reload.c (push_secondary_reload): Revert last change.
6726 If we use a reload_in/out pattern, make the when the same
6727 as the primary reload.
6728 (find_reloads): Likewise.
6730 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6732 * configure.in (libstdcxx-v3): Fix test.
6733 * configure: Regenerate.
6735 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6737 * calls.c (calls_function_1, expand_call): Only test
6738 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6739 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6741 2000-08-16 Richard Henderson <rth@cygnus.com>
6743 * combine.c (simplify_shift_const): Revert previous two
6744 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6745 before the main loop.
6747 2000-08-15 Richard Henderson <rth@cygnus.com>
6749 * combine.c (simplify_shift_const): Bound shift count when
6752 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6754 * calls.c (ECF_SP_DEPRESSED): New macro.
6755 (calls_function_1): Treat calling sp-depressed function as alloca.
6756 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6757 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6758 If sp-depressed, ensure block saves and restores SP.
6759 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6761 * function.c (keep_stack_depressed): New function.
6762 (thread_prologue_and_epilogue_insns): Call it.
6763 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6764 to print DECL_OFFSET_ALIGN.
6765 Print no-force-blk and transparent-union flags properly.
6766 * stmt.c (expand_goto_internal): Don't restore stack if last block
6767 and function returns with sp depressed.
6768 (fixup_gotos): Likewise.
6769 (save_stack_pointer): New function, from code in expand_decl.
6770 (expand_decl): Call new function.
6771 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6772 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6773 (save_stack_pointer): New declaration.
6775 * diagnostic.c (fatal_function): New variable.
6776 (set_fatal_function): New function.
6778 * diagnostic.h (set_fatal_function): New declaration.
6780 2000-08-15 William Cohen <wcohen@redhat.com>
6782 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6783 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6784 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6786 2000-08-15 Richard Henderson <rth@cygnus.com>
6788 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6790 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6792 * arm.c (arm_function_ok_for_sibcall): New function.
6793 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6794 * arm.md (call expanders): Don't check here for calls that can't
6797 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6799 * arm.md (splits generating cond_exec): Disable.
6801 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6803 * arm/linux-elf.h (text_section): Delete declaration.
6805 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6807 ARM support for unordered FP operations.
6808 * arm-protos.h (arm_comparison_operator): Declare.
6809 * arm.c (arm_comparison_operator): New function.
6810 (arm_select_cc_mode): Add unordered comparison codes.
6811 (get_arm_condition_code): Likewise.
6812 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6813 be done in one insn.
6814 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6815 * arm.md (all uses of comparison_operator): Replace with
6816 arm_comparison_operator.
6817 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6819 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6822 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6824 * gthr-posix.h: Conditionally include <sched.h>; include
6825 <config.h> from libobjc/.
6827 2000-08-14 Richard Henderson <rth@cygnus.com>
6829 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6832 2000-08-14 Richard Henderson <rth@cygnus.com>
6834 * configure.in (ia64-*): Set float_format for i386 long double.
6836 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6837 as we would for i386 XFmode.
6838 (PUT_REAL): Likewise.
6839 (endian, ereal_atof, real_value_truncate): Likewise.
6840 (ereal_isneg, toe64, etens, make_nan): Likewise.
6841 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6843 * config/ia64/ia64-protos.h: Update.
6844 * config/ia64/ia64.c (general_tfmode_operand): New.
6845 (destination_tfmode_operand): New.
6846 (tfreg_or_fp01_operand): New.
6847 (ia64_split_timode): New.
6848 (spill_tfmode_operand): New.
6849 (ia64_expand_prologue): Use TFmode not XFmode.
6850 (ia64_expand_epilogue): Likewise.
6851 (ia64_function_arg): Likewise.
6852 (ia64_function_arg_advance): Likewise.
6853 (ia64_return_in_memory): Likewise.
6854 (ia64_function_value): Likewise.
6855 (ia64_print_operand): Likewise.
6856 (ia64_register_move_cost): Set GR<->FR to 5.
6857 (ia64_secondary_reload_class): Get GR for TImode memory op.
6858 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6859 (ROUND_TYPE_ALIGN): Remove.
6860 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6861 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6862 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6863 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6864 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6865 (CLASS_MAX_NREGS): Likewise.
6866 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6867 (PREDICATE_CODES): Update.
6868 * config/ia64/ia64.md (movti): New.
6869 (movti_internal): Use a clobber for memory alternatives.
6870 (reload_inti, reload_outti): New.
6871 (movsfcc_astep): Predicate properly.
6872 (movdfcc_astep): Likewise.
6875 (extendsftf2, extenddftf2): New.
6876 (trunctfsf2, trunctfdf2): New.
6877 (floatditf2, fix_trunctfdi2): New.
6878 (floatunsditf2, fixuns_trunctfdi2): New.
6879 (addtf3, subtf3, multf3, abstf2): New.
6880 (negtf2, nabstf2, mintf3, maxtf3): New.
6881 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6883 (fr_spill): Use TFmode, not XFmode.
6884 (fr_restore): Likewise.
6885 * config/ia64/lib1funcs.asm (__divtf3): New.
6886 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6888 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6890 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6892 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6893 `U' integer constant suffix.
6895 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6898 * sparc/sol2.h (__enable_execute_stack): Prototype.
6900 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6902 * collect2.c: Remove use of AIX import file.
6904 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6906 * rs6000.c (print_operand, case 'E'): Add else.
6908 2000-08-14 Richard Henderson <rth@cygnus.com>
6910 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6911 (movdi_symbolic): New.
6913 2000-08-14 Jim Wilson <wilson@cygnus.com>
6915 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6916 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6917 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6920 2000-08-14 Richard Henderson <rth@cygnus.com>
6922 * expr.c (emit_group_load): Don't force constants into registers.
6923 Special case source already in the correct mode.
6925 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6927 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6928 * fixinc/inclhack.def: Likewise.
6929 * fixinc/mkfixinc.sh: Likewise.
6930 * configure: Regenerate.
6931 * fixinc/fixincl.x: Regenerate.
6932 * install.texi: Document equivalence of linux and linux-gnu.
6934 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6936 * cse.c (insert_regs): Also in REG case: When finding an invalid
6937 value, and we make a new quantity, make sure that it won't be
6938 mistaken by for a valid one by mention_regs.
6940 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6942 * h8300.md: Remove obsolete peepholes.
6944 2000-08-13 Kazu Hirata <kazu@hxi.com>
6946 * invoke.texi (H8/300 Options): Fix typos.
6947 * config/h8300.c: Fix formatting.
6948 * config/h8300.h: Fix comment typos.
6949 (OVERRIDE_OPTIONS): Fix formatting.
6951 * function.c: Fix formatting.
6953 * cse.c: Fix formatting.
6955 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6957 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6958 (attempt_auto_inc): Suppress parentheses warning.
6959 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6960 * loop.c (load_mems): Remove `u' suffix in two places.
6961 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6963 * config/rs6000/rs6000.h: Likewise.
6964 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6965 __eabi dummy routine.
6966 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6969 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6970 not put stuff in .sdata unnecessarily.
6971 (rs6000_unique_section): New function.
6972 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6973 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6975 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6976 arrays in C99. Don't try to look at DECL_REGISTER of a
6977 COMPONENT_REF. Don't complain twice about the same error.
6979 * fixinc/inclhack.def (aix_pthread): New fix.
6980 (aix_sysmachine): New fix.
6981 * fixinc/fixincl.x: Regenerate.
6983 * expr.c (expand_expr): Call convert_modes when turning a large
6984 multiply into a small one.
6986 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6988 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6989 the tree structure an exponent rather than an explicit alignment
6990 so it doesn't overflow.
6991 (SET_DECL_OFFSET_ALIGN): New macro.
6992 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6993 rather than DECL_OFFSET_ALIGN.
6994 (place_field): Likewise.
6995 * expmed.c (store_bit_field): Abort on align==0 to avoid
6996 antisocial machine behaviour.
6998 2000-08-12 Richard Henderson <rth@cygnus.com>
7000 * sibcall.c (uses_addressof): Accept both addressof and
7001 current_function_internal_arg_pointer inside a mem.
7002 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7003 if current_function_uses_addressof.
7004 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7007 2000-08-11 Richard Henderson <rth@cygnus.com>
7009 * config/ia64/ia64.md (addsi3): Remove expander.
7010 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7011 (*addsi3_shladd): New.
7013 2000-08-11 Richard Henderson <rth@cygnus.com>
7015 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7016 (do_restore): Likewise.
7017 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7018 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7019 (rtx_needs_barrier): Track actual bit manipulation for
7020 ar.unat moves, gr_spill, and gr_restore.
7021 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7022 (process_set): Don't handle varargs spills.
7023 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7024 .mem.offset here instead of in process_set.
7025 (gr_restore): Likewise.
7027 2000-08-11 Richard Henderson <rth@cygnus.com>
7029 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7031 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7033 * gcc.texi (The Configuration File): Document
7034 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7035 UPDATE_PATH_HOST_CANONICALIZATION.
7037 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7039 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7040 unprototyped function pointer casts on integer constants.
7042 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7044 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7046 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7048 * extend.texi (Volatiles): Fix typos.
7050 2000-08-11 Kazu Hirata <kazu@hxi.com>
7052 * flow.c: Fix formatting.
7054 2000-08-11 Richard Henderson <rth@cygnus.com>
7056 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7057 pattern, always allocate a tertiary scratch register.
7059 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7060 (reload_inhi): Likewise.
7062 2000-08-11 Richard Henderson <rth@cygnus.com>
7064 * function.c (put_reg_into_stack): Allow type to be NULL.
7065 (schedule_fixup_var_refs): Likewise.
7066 (gen_mem_addressof): Allow decl to be NULL.
7067 (put_addressof_into_stack): Likewise.
7069 * flow.c (merge_blocks_nomove): Be more careful about
7070 locating the beginning of block A.
7072 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7074 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7079 * config.in: Reverted the check for <sched.h>.
7081 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7083 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7084 macros define the name of CTOR and DTOR sections.
7085 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7086 DTOR_LIST_END): Change to use attributes to specify
7088 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7089 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7090 DTOR_LIST_END): Same as in mips/elf.h.
7092 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7094 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7095 disabling just crt0.o.
7097 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7099 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7100 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7101 (EXTRA_SPECS): Add them.
7102 * arm/lib1funcs.asm: Support builds for interworking.
7103 Use macros to eliminate duplicated pieces of code.
7105 2000-08-10 Kazu Hirata <kazu@hxi.com>
7107 * h8300.c (expand_a_rotate): New.
7108 (emit_a_rotate): Likewise.
7109 (h8300_adjust_insn_length): Add support for the rotate insns.
7110 * h8300.md (rotlqi3): New.
7111 (*rotlqi3_1): Likewise.
7112 (rotlhi3): Likewise.
7113 (*rotlhi3_1): Likewise.
7114 (rotlhi3): Likewise.
7115 (*rotlhi3_1): Likewise.
7116 * h8300-proto.h: Add prototypes for expand_a_rotate and
7119 * h8300.c: Fix comment typos.
7120 (dosize): Declare the variable amount as unsigned.
7121 (get_shift_alg): Fix a comparison between signed and unsigned.
7122 (emit_a_shift): Likewise.
7123 (h8300_adjust_insn_length): Simplify the code.
7125 * c-decl.c: Fix formatting.
7127 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7129 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7130 warning about non-traditional numeric constant suffixes.
7132 * cppexp.c (parse_number): Likewise.
7134 * invoke.texi: (-Wtraditional): Document new behavior.
7136 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7138 * gthr-posix.h: Include auto-host.h. Conditionally include
7140 * configure.in: Check for the <sched.h> header file.
7141 * config.in: Added define for HAVE_SCHED_H.
7143 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7145 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7146 initialization of unions.
7148 * invoke.texi (-Wtraditional): Document new behavior.
7150 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7152 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7153 instead of extra_c_flags.
7154 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7155 * configure: Regenerate.
7156 * config.in: Regenerate.
7158 * cpperror.c (cpp_type2name): New function.
7159 * cpplex.c (lex_line): If we issued an error for an invalid
7160 preprocessing directive, discard that logical line.
7161 * cpplib.c (do_line): Call a hook function if the current file
7162 is renamed by #line.
7163 (do_ident): Pass the contents of the string, not the entire
7164 token, to the callback function.
7165 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7166 (cb.rename_file): New hook function.
7167 (cb.ident): Adjust prototype.
7168 (cpp_type2name): Prototype.
7169 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7171 * cppmain.c (cb_ident): Update for changed interface.
7172 (cb_rename_file): New function.
7173 (main): Set rename callback.
7175 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7177 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7178 multi-word registers.
7180 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7182 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7183 or ISO C89 instead of ANSI C.
7184 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7185 build_enumerator, do_case): Likewise.
7186 * c-lex.c (parse_float, yylex): Likewise.
7187 * c-parse.in: Likewise.
7188 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7189 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7190 build_c_cast, convert_for_assignment, set_init_index,
7191 set_init_label, c_expand_start_case): Likewise.
7192 * toplev.c (documented_lang_options, display_help): Likewise.
7194 2000-08-08 Kazu Hirata <kazu@hxi.com>
7196 * h8300.c: Fix formatting.
7197 * h8300.h: Likewise.
7198 * h8300.md: Likewise.
7199 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7201 * reload1.c: Fix formatting.
7203 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7205 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7206 Use GEN_CALL_VALUE define.
7207 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7208 * clipper/clipper.md (untyped_call): Likewise.
7209 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7210 * fx80/fx80.md (untyped_call): Likewise.
7211 * mips/mips.md (untyped_call): Likewise.
7212 * ns32k/ns32k.md (untyped_call): Likewise.
7213 * pa/pa.md (untyped_call): Likewise.
7214 * romp/romp.md (untyped_call): Likewise.
7215 * sparc/sparc.md (untyped_call): Likewise.
7217 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7219 * config/i860/i860.c (singlemove_string): Do not generate assembler
7220 pseudo instructions that must be expanded (that is, with signed
7221 constants larger than 16 bits).
7223 2000-08-08 Richard Henderson <rth@cygnus.com>
7225 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7226 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7227 (init_propagate_block_info): Don't kill memory stores at -O0.
7228 (mark_set_1, mark_used_regs): Likewise.
7230 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7232 * rs6000.c (optimization_options): Decorate 'level' as
7234 (mask64_operand): Remove sign-extend thinko.
7235 (rldic_operand): New function.
7236 (load_multiple_operation): regno's are unsigned ints.
7237 (store_multiple_operation): Likewise.
7238 (lmw_operation): Likewise.
7239 (stmw_operation): Likewise.
7240 (includes_lshift_p): shift_mask is unsigned int.
7241 (includes_lshift64_p): New function.
7242 (addrs_ok_for_quad_peep): unsigned int reg1.
7243 (print_operand): Consistently add "else" after
7244 output_operand_lossage().
7245 (print_operand, case 'b'): Fold in case 'W'.
7246 (print_operand, case 'W'): Print rldic MB value.
7247 (output_epilogue): Update Objective-C language string.
7248 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7249 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7250 * rs6000.md (ashldi3): Add rldic instruction.
7251 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7252 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7255 2000-08-08 Richard Henderson <rth@cygnus.com>
7257 * config/ia64/ia64-protos.h: Remove duplicates. Update
7258 for massive code rearrangements.
7259 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7260 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7261 (ia64_local_regs, ia64_need_regstk): Remove.
7262 (ar_ccv_reg_operand): New.
7263 (ia64_gp_save_reg): New.
7264 (struct ia64_frame_info): Combine most of the size elements;
7265 add new gr save elements.
7266 (find_gr_spill): New.
7267 (next_scratch_gr_reg): New.
7268 (mark_reg_gr_used_mask): New.
7269 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7270 to GR backing store regs when possible.
7271 (ia64_initial_elimination_offset): New.
7272 (ia64_rap_fp_offset): Remove.
7273 (save_restore_insns): Remove.
7274 (setup_spill_pointers): New.
7275 (finish_spill_pointers): New.
7276 (spill_restore_mem): New.
7277 (do_spill, do_restore): New.
7278 (ia64_expand_prologue): Rewrite to use them.
7279 (ia64_expand_epilogue): Likewise.
7280 (ia64_direct_return): Update for current_frame_info changes.
7281 (ia64_function_prologue): Simplify .prologue emission. Emit
7283 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7284 (ia64_dbx_register_number): New.
7285 (ia64_initialize_trampoline): New.
7286 (ia64_secondary_reload_class): Request GR_REGS for integer
7287 arithmetic destined for FR_REGS.
7288 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7289 (ia64_mark_machine_status): Mark ia64_gp_save.
7290 (rws_access_regno): Rename from rws_access_reg; don't treat
7291 predicates specially.
7292 (rws_access_reg): New. Update all callers.
7293 (rtx_needs_barrier): Remove dead unspecs.
7294 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7295 (ia64_encode_section_info): Silence signed/unsigned warnings.
7296 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7297 (tmp_reg, tmp_saved): Remove.
7298 (process_set): Rewrite to expect complicated bits via
7299 REG_FRAME_RELATED_EXPR.
7300 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7301 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7302 (ia64_expand_op_and_fetch): Likewise.
7303 (ia64_expand_compare_and_swap): Likewise.
7304 (ia64_expand_builtin): Likewise.
7305 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7306 (FIRST_PSEUDO_REGISTER): Update.
7307 (AR_M_REGNO_P): Update.
7308 (FIXED_REGS): Don't mark three local registers as used.
7309 (EXTRA_CC_MODES): New.
7310 (SELECT_CC_MODE): New.
7311 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7312 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7313 (FRAME_GROWS_DOWNWARD): Unset.
7314 (STARTING_FRAME_OFFSET): Zero.
7315 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7316 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7317 (HARD_FRAME_POINTER_REGNUM): New.
7318 (CAN_DEBUG_WITHOUT_FP): Define.
7319 (TRAMPOLINE_TEMPLATE): Remove.
7320 (TRAMPOLINE_SIZE): Lower to 32.
7321 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7322 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7323 (PREDICATE_CODES): Update.
7324 (struct machine_function): Add ia64_gp_save.
7325 * config/ia64/ia64.md: Purge unused unspecs.
7326 (movsi patterns): Allow moves to/from AR_M_REGS.
7327 (movdi patterns): Allow moves to/from p0.
7328 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7329 (gr_spill, gr_restore): Indicate ar.unat read/written.
7330 (nonlocal_goto): Don't pass old frame_pointer.
7331 (nonlocal_goto_receiver): Remove.
7332 (exception_receiver): New.
7333 (builtin_setjmp_setup): New.
7334 (builtin_setjmp_receiver): New.
7335 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7336 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7337 (__ia64_restore_stack_nonlocal): Likewise.
7338 (__ia64_trampoline): New.
7339 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7341 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7343 2000-08-08 Richard Henderson <rth@cygnus.com>
7345 * frame.h (ia64_frame_state): Add my_psp.
7346 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7347 (__throw): Pass it in. Don't clobber r7.
7348 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7349 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7350 and nothing to do with sp.
7351 (normalize_reg_loc): Use frame->my_psp.
7352 (frame_translate): Handle frame-pointer-less functions. Set
7353 spill_base correctly, in absence of being told.
7354 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7355 (__ia64_backtrace_helper): New sp argument. Use
7356 builtin_return_address instead of label addresses.
7357 (print_record) [mem_stack_v]: No size member.
7359 2000-08-08 Richard Henderson <rth@cygnus.com>
7361 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7363 2000-08-08 Richard Henderson <rth@cygnus.com>
7365 * tm.texi (LOCAL_REGNO): Document.
7366 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7367 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7368 * reload1.c (reload): Likewise when considering nonlocal labels.
7370 * config/ia64/ia64.h (LOCAL_REGNO): New.
7371 * config/sparc/sparc.h (LOCAL_REGNO): New.
7373 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7375 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7377 2000-08-07 Nick Clifton <nickc@redhat.com>
7379 * config/mips/mips.c: Fix compile time warning messages.
7380 * config/mips/mips-protos.h: Add prototype for equality_op.
7382 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7384 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7386 * mn10300.md: Use nonimmediate_operand instead of general_operand
7389 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7391 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7393 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7394 * sh.c (expand_block_move): Break long lines.
7395 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7396 * sh.md (mulsi3): Likewise.
7397 (movdi): Adjust spacing.
7399 2000-08-07 Richard Henderson <rth@cygnus.com>
7401 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7402 * expr.c (emit_group_store): Don't set it.
7404 2000-08-07 Kazu Hirata <kazu@hxi.com>
7406 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7407 duplicate entries for 'w' and 'z'.
7409 * flow.c: Fix a comment typo.
7411 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7413 * c-parse.in: Changed the language string for Objective-C to "GNU
7416 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7418 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7419 to improve the Posix thread support for Objective-C.
7421 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7423 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7424 CTI_UNSIGNED_PTRDIFF_TYPE.
7425 (signed_size_type_node): Define.
7426 (unsigned_ptrdiff_type_node): Define.
7427 * c-decl.c (init_decl_processing): Create the
7428 signed_size_type_node and unsigned_ptrdiff_type_node types.
7429 * c-common.c (T_SC): Define.
7432 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7433 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7435 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7436 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7437 flags for %c, %s and %[.
7438 (check_format_info): Only allow leniency for signedness of targets
7439 of character pointers (when pedantic) for formats flagged with
7440 "c", so for strings but not for %hh formats. When pedantic, don't
7441 allow character pointers to substitute for void pointers if a
7442 second level of indirection is present.
7444 2000-08-06 Kazu Hirata <kazu@hxi.com>
7446 * invoke.texi (Options for Debugging Your Program or GCC): Update
7447 the names of dump files.
7449 * h8300.c (dosize): Rearrange code for conciseness.
7450 (split_adds_subs): Likewise.
7452 * loop.c: Fix formatting.
7454 * dwarf2out.c: Fix formatting.
7456 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7458 * expr.c: Fix formatting.
7460 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7462 * rs6000.c (rs6000_maybe_dead): Prototype.
7464 2000-08-06 Richard Henderson <rth@cygnus.com>
7466 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7467 HAVE_nonlocal_goto as well.
7468 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7469 * config/pj/pj.md (nonlocal_goto): Likewise.
7471 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7473 * loop.c (try_swap_copy_prop): New function.
7474 (load_mems): Rename copies to load_copies and add new regset
7475 store_copies. Check for sets of shadow registers and mark
7476 in store_copies. Call try_swap_copy_prop for registers
7477 marked in store_copies.
7479 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7481 * objc/objc-act.c: New command line option -fconstant-string-class
7482 to allow specifying a user defined constant string class,
7483 different from NXConstantString.
7485 * toplev.c: Moved the Objective-C specific options to
7486 objc/lang-options.h.
7488 * objc/lang-options.h: Moved the Objective-C specific options from
7489 toplev.c. Added -fconstant-string-class.
7491 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7493 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7494 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7495 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7496 avoid extra alignment imposed on arrays.
7497 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7498 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7500 * mips.h: Clean up comments and spacing near MASKs.
7501 (TARGET_UNIX_ASM): Delete.
7502 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7503 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7506 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7508 * c-common.c (print_char_table): Add entries for the X/Open '
7509 format flag (print decimals with locale's thousands grouping
7510 character). Make %C expect wint_t.
7511 (check_format_info): If pedantic, warn when the %n$ operand
7512 number form is used. Allow for the ' flag; warn about it if
7515 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7517 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7518 type is a float mode, cfun->decl's return type is not, and
7519 TARGET_FLOAT_RETURNS_IN_80387.
7521 2000-08-04 Andreas Schwab <schwab@suse.de>
7523 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7524 token list, which are always `#' and `pragma'.
7526 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7528 * tree.c (tree_expr_nonnegative_p): Move to...
7529 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7530 (rtl_expr_nonnegative_p): New.
7531 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7533 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7534 CONST_DOUBLE_CHAIN: Move to...
7535 * rtl.h: ...here. Use XCINT/XCEXP.
7537 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7538 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7539 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7542 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7544 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7546 * config/c4x/c4x.md (return_indirect_internal): New.
7547 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7549 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7551 * c-common.c (time_char_table): Mark up formats added in C99 and
7552 make other corrections. %D and %g were added in C99. %Og is an
7553 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7554 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7555 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7556 %h was added in C99. %C was added in C99. %OY and %OC are
7557 extensions. Add the C99 format %F.
7558 (check_format_info): If pedantic and not in C99 mode, warn for C99
7561 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7563 * function.c (schedule_fixup_var_refs): New function, broken out
7564 of put_reg_into_stack.
7565 (put_reg_into_stack): Use it.
7566 (put_var_into_stack): In CONCAT case, fixup up references for
7567 components only after fixing up references to the whole concat.
7569 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7571 * alias.c (mark_constant_function): Use INSN_P.
7572 (init_alias_analysis): Likewise.
7573 * combine.c (combine_instructions): Use INSN_P.
7574 (can_combine_p): Likewise.
7575 (try_combine): Likewise.
7576 (distribute_notes): Likewise.
7577 (distribute_links): Likewise.
7578 * cse.c (cse_around_loop): Use INSN_P.
7579 (invalidate_skipped_block): Likewise.
7580 (cse_set_around_loop): Likewise.
7581 (cse_end_of_basic_block): Likewise.
7582 (delete_trivially_dead_insns): Likewise.
7583 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7584 (unshare_all_rtl_1): Likewise.
7585 (next_cc0_user): Likewise.
7586 (try_split make_insn_raw): Likewise.
7587 (remove_unnecessary_notes): Likewise.
7588 * final.c (shorten_branches): Use INSN_P.
7589 (leaf_renumber_regs): Likewise.
7590 (leaf_renumber_regs_insn): Likewise.
7591 * flow.c (find_label_refs): Use INSN_P.
7592 (verify_wide_reg): Likewise.
7593 (notice_stack_pointer_modification): Likewise.
7594 (count_or_remove_death_notes): Likewise.
7595 (verify_flow_info): Likewise.
7596 (clear_log_links): Likewise.
7597 * function.c (fixup_var_refs_insns): Use INSN_P.
7598 (compute_insns_for_mem): Likewise.
7599 * gcse.c (alloc_gcse_mem): Use INSN_P.
7600 (compute_sets): Likewise.
7601 (compute_hash_table): Likewise.
7602 (classic_gcse): Likewise.
7604 (insert_insn_end_bb): Likewise.
7605 (delete_null_pointer_checks_1): Likewise.
7606 * global.c (expand_preferences): Use INSN_P.
7607 (build_insn_chain): Likewise.
7608 * graph.c (node_data): Use INSN_P.
7609 * haifa-sched.c (priority): Use INSN_P.
7610 (rm_line_notes): Likewise.
7611 (rm_other_notes): Likewise.
7612 (find_insn_reg_weight): Likewise.
7613 (init_target_units): Likewise.
7614 (schedule_block): Likewise.
7615 (compute_block_forward_dependences): Likewise.
7616 (debug_dependencies): Likewise.
7617 (set_priorities): Likewise.
7618 * integrate.c (function_cannot_inline_p): Use INSN_P.
7619 (save_parm_insns): Likewise.
7620 (copy_insn_list): Likewise.
7621 * jump.c (mark_all_labels): Use INSN_P.
7622 (never_reached_warning): Likewise.
7623 * lcm.c (optimize_mode_switching): Use INSN_P.
7624 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7625 (memref_used_between_p): Likewise.
7626 (update_equiv_regs): Likewise.
7627 (block_alloc): Likewise.
7628 (no_conflict_p): Likewise.
7629 * loop.c (scan_loop): Use INSN_P.
7630 (find_and_verify_loops): Likewise.
7631 (count_loop_regs_set): Likewise.
7632 (loop_reg_used_before_p): Likewise.
7633 (strength_reduce): Likewise.
7634 (recombine_givs): Likewise.
7635 (check_dbra_loop): Likewise.
7636 (load_mems): Likewise.
7637 (try_copy_prop): Likewise.
7638 * print-rtl.c (print_rtx): Use INSN_P.
7639 * recog.c (find_single_use): Use INSN_P.
7640 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7641 (next_flags_user): Likewise.
7642 (swap_rtx_condition): Likewise.
7643 * regmove.c (mark_flags_life_zones): Use INSN_P.
7644 (optimize_reg_copy_1): Likewise.
7645 (optimize_reg_copy_2): Likewise.
7646 (optimize_reg_copy_3): Likewise.
7647 (reg_is_remote_constant_p): Likewise.
7648 (fixup_match_2): Likewise.
7649 (regmove_optimize): Likewise.
7650 (fixup_match_1): Likewise.
7651 * regrename.c (build_def_use): Use INSN_P.
7652 (replace_reg_in_block): Likewise.
7653 (consider_use): Likewise.
7654 * reload.c (find_equiv_reg): Use INSN_P.
7655 * reload1.c (reload): Use INSN_P.
7656 (maybe_fix_stack_asms): Likewise.
7657 (calculate_needs_all_insns): Likewise.
7658 (reload_as_needed): Likewise.
7659 (emit_output_reload_insns): Likewise.
7660 (delete_address_reloads_1): Likewise.
7661 (reload_cse_regs_1): Likewise.
7662 (reload_combine): Likewise.
7663 (reload_cse_move2add): Likewise.
7664 * reorg.c (redundant_insn): Use INSN_P.
7665 (dbr_schedule): Likewise.
7666 * resource.c (find_dead_or_set_registers): Use INSN_P.
7667 (mark_target_live_regs): Likewise.
7668 * rtlanal.c (reg_used_between_p): Use INSN_P.
7669 (reg_referenced_between_p): Likewise.
7670 (reg_set_between_p): Likewise.
7671 (reg_set_p): Likewise.
7672 (single_set): Likewise.
7673 (multiple_sets): Likewise.
7674 (find_last_value): Likewise.
7675 (reg_set_last): Likewise.
7676 (find_reg_note): Likewise.
7677 (find_regno_note): Likewise.
7678 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7679 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7680 * ssa.c (find_evaluations): Use INSN_P.
7681 (rename_block): Likewise.
7682 (rename_equivalent_regs): Likewise.
7683 * unroll.c (loop_find_equiv_value): Use INSN_P.
7684 (set_dominates_use): Likewise.
7685 * varasm.c (mark_constant_pool): Use INSN_P.
7686 (mark_constants): Likewise.
7687 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7688 (alphaev4_next_group): Likewise.
7689 (alphaev5_next_group): Likewise.
7690 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7691 (c4x_rptb_rpts_p): Likewise.
7692 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7693 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7694 (rs6000_adjust_priority): Likewise.
7695 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7696 (machine_dependent_reorg): Likewise.
7697 (split_branches): Likewise.
7698 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7700 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7702 * combine.c (recog_for_combine): Remove the old notes
7703 prior to attempting to recognize the new pattern.
7704 (distribute_notes): Ignore REG_NONNEG notes.
7706 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7708 * varasm.c (output_constructor): Add .align 0 for packed vars.
7710 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7712 * configure.in: Use default thread_file even when enable_threads is
7713 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7714 * configure: Rebuilt.
7716 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7718 2000-08-04 Donn Terry (donnte@microsoft.com)
7720 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7722 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7724 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7725 Delete code that conditionally modifies 'version'.
7726 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7727 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7728 * gcc.c (main): Use it.
7729 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7730 * prefix.c (update_path): Use it.
7731 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7732 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7733 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7735 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7736 (SUBTARGET_SWITCHES): Adjust.
7737 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7739 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7741 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7743 * c-common.h (flag_isoc94): Declare.
7744 * c-decl.c (flag_isoc94): Define.
7745 (c_decode_option): Set flag_isoc94 as appropriate.
7746 * c-common.c (T_PD, T_IM, T_UIM): Define.
7747 (format_char_info): Add tlen and jlen.
7748 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7750 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7752 (time_char_table): Add NULL entries for %t and %j.
7753 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7754 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7755 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7756 precision. Allow precision argument to be unsigned int. If
7757 pedantic, warn for %p passed an argument not a pointer to possibly
7758 qualified void or a possibly qualified character type, and for
7759 pointer targets of the wrong sign, except for character pointers.
7761 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7763 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7764 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7765 (wint_type_node): Define.
7766 * c-decl.c (WINT_TYPE): Define.
7767 (init_decl_processing): Create the wint_type_node type.
7768 * c-common.c (T_WI): Define.
7769 (print_char_table): Use T_WI for %lc format.
7771 2000-08-04 Bruce Korb <bkorb@gnu.org>
7773 * fixinc/: Verified that the MSDOS patch does not break
7774 the UNIX functionality and applied the next three patches
7777 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7779 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7780 output file with the temporary one by appending ".X" to generate
7781 the temporary fuile's name. If the output file already has an
7782 extension, replace it with ".X".
7784 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7785 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7786 reallocate the command buffer while copying the command-line
7787 argument. Redirect the output directly to the temporary file,
7788 instead of going through another temporary file.
7789 (process): Close the temporary file before unlinking it.
7790 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7791 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7792 (run_compiles): Pass p_fixd argument to machine_matches, as it
7795 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7796 environment, assume there are no symlinks in the include
7797 directory. When cleaning up the DONE files, look for them
7798 case-insensitively. Don't try to remove symlinks if they aren't
7801 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7802 all callers changed. Declare pz "const char *", to avoid compiler
7805 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7806 Change prototype of make_raw_shell_str.
7808 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7810 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7811 (initialize) [__MSDOS__]: Use tempnam.
7812 (initialize): Don't use SIGPIPE if it is not defined.
7814 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7817 2000-07-25 Bruce Korb <bkorb@gnu.org>
7819 * fixinc/fix*.[ch]: substantially reworked to make it possible
7820 to run this program without using fork(2) or pipe(2) (i.e. in
7823 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7825 * cppdefault.h (WINT_TYPE): Define.
7826 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7827 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7828 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7830 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7832 * (mips_legitimate_address_p): Don't allow register+offset
7833 if the offset is large and negative, and we are compiling
7834 for 64 bit registers.
7836 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7838 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7839 insn_code_number + 1.
7841 2000-08-04 Kazu Hirata <kazu@hxi.com>
7843 * h8300.c (function_prologue): Rearrange code for conciseness.
7844 (function_epilogue): Likewise.
7845 * h8300.h (OK_FOR_U): Fix formatting.
7847 * cse.c: Fix a comment typo. Fix formatting.
7849 2000-08-03 Richard Henderson <rth@cygnus.com>
7851 * config/i386/i386.md (return_indirect_internal): New.
7852 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7854 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7856 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7858 (lex_line): Glue @ onto the beginning of identifiers and
7859 string constants, in Objective-C mode.
7860 (output_token, spell_token): Handle CPP_OSTRING.
7861 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7862 beginning of a NAME or a STRING, in objc mode.
7864 * cpplib.c (get_define_node): Do not permit identifiers that
7865 begin with @ to be #defined.
7866 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7867 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7869 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7870 * c-tree.h (build_objc_string): Delete prototype.
7871 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7872 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7874 * c-parse.in, objc/objc-act.c: Update commentary.
7876 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7878 * extend.texi: Fix typo in last change.
7880 * extend.texi: Add commentary on statement-expressions and their
7881 interactions with C++.
7883 2000-08-03 Nick Clifton <nickc@cygnus.com>
7885 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7886 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7888 2000-08-03 Anthony Green <green@cygnus.com>
7890 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7891 (add_bound_info): Check for java language.
7892 (is_java): New function.
7893 * dwarfout.c (output_compile_unit_die): Ditto.
7894 * dwarf.h (dwarf_source_language): Add java source language type.
7895 * dwarf2.h (dwarf_source_language): Ditto.
7897 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7899 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7902 * i386.c (ix86_expand_branch): Mode of comparison in
7903 IF_THEN_ELSE is VOIDmode.
7905 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7907 * gengenrtl.c, rtl.c: Avoid #elif.
7909 2000-08-03 Michael Poole <poole@troilus.org>
7911 * tm.texi (Register Classes): Clarify order of sub-initializers
7912 in REG_CLASS_CONTENTS.
7914 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7916 From SAITOH Masanobu:
7917 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7919 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7921 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7922 is not supported by tradcpp and isn't actually needed for cygwin.
7924 2000-08-03 Kazu Hirata <kazu@hxi.com>
7926 * h8300.c: Fix a comment typo.
7927 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7929 * jump.c: Fix formatting.
7931 * toplev.c: Fix formatting.
7933 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7935 * flow.c (find_auto_inc): Verify that we've got a REG before
7936 peeking at its regno. Fail, don't abort if we can't find
7937 the increment of the desired register.
7939 * pa.md (shadd height reduction patterns/splitters): Remove.
7941 2000-08-02 Jim Wilson <wilson@cygnus.com>
7943 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7944 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7946 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7948 * dce.c: Remove all uses of assert.
7949 * dwarf2out.c: Likewise.
7950 * dwarfout.c: Likewise.
7953 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7955 * gcc.h (lang_specific_driver): Constify second argument.
7956 * gcc.c (translate_options, process_command, main): Likewise.
7957 Constify variables to match. Cast second argument to
7960 * cppspec.c, gccspec.c: Adjust type of second argument to
7961 lang_specific_driver, and update code as necessary.
7963 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7965 * loop.c (scan_loop): Ensure update_end label does not
7966 go away until reg_scan_update is run.
7968 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7970 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7971 * c-tree.h: ... not here.
7972 * errors.h: Prototype fancy_abort.
7974 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7975 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7976 * regrename.c (regrename_optimize): Make control flow explicit.
7977 (replace_reg_in_block): Initialize reg_use to 0.
7979 * i386.c (legitimate_address_p): Rename error label to
7980 report_error to avoid namespace clash.
7982 2000-08-02 Kazu Hirata <kazu@hxi.com>
7984 * fold-const.c: Fix formatting.
7986 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7988 * i386.c (legitimate_address_p): Accept other bases than
7989 pic_offset_table_rtx for GOTOFF constructs.
7991 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7993 * i386.md (shift to lea splitter): Use const_int_operand.
7995 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7997 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7998 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8001 * cppmain.c (cb_define, cb_undef): Don't generate any output
8002 if not done_initializing.
8003 * cpplex.c (maybe_paste_with_next): When the token after a ##
8004 is an omitted rest argument, only delete the token before it
8005 if that token is a comma. Do not warn about bogus token
8006 pastes for , ## rest_arg.
8009 * cpp.1: Regenerate.
8011 2000-08-02 Fred Fish <fnf@be.com>
8013 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8014 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8017 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8018 Be directories to search path.
8020 Remove support for __declspec(dllimport) and __declspec(dllexport).
8021 This is leftover cruft from the earlier BeOS gcc port when BeOS
8022 used Microsoft's PE object file format.
8023 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8024 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8025 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8026 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8027 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8028 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8029 (REDO_SECTION_INFO_P): Remove.
8030 (ASM_EXPORT_DECL): Remove.
8031 (ASM_DECLARE_FUNCTION_NAME): Remove.
8032 (ASM_DECLARE_OBJECT_NAME): Remove.
8033 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8034 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8035 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8036 (STRIP_NAME_ENCODING): Remove.
8038 Remove support for obsolete version of BeOS that is no longer
8040 * configure.in (i*86-*-beospe*): Remove.
8041 * config/i386/beos-pe.h: Remove.
8043 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8044 Mark Mitchell <mark@codesourcery.com>
8046 * Makefile.in (OBJS): Added dce.o.
8047 (ssa.o): Updated target to include ssa.h.
8049 (toplev.o): Likewise.
8050 (dce.o): Created target.
8051 * basic-block.h: Added comments.
8052 (INVALID_BLOCK): Added definition.
8053 (connect_infinite_loops_to_exit): Added declaration.
8054 Moved SSA declarations to ssa.h.
8055 * flow.c: Added inclusion of ssa.h.
8056 (struct depth_first_search_dsS, depth_first_search_ds):
8058 (compute_immediate_postdominators): Added definition.
8059 (connect_infinite_loops_to_exit): Likewise.
8060 (flow_dfs_compute_reverse_init): Likewise.
8061 (flow_dfs_compute_reverse_add_bb): Likewise.
8062 (flow_dfs_compute_reverse_execute): Likewise.
8063 (flow_dfs_compute_reverse_finish): Likewise.
8064 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8065 (LABEL_P): Added definition.
8068 (BARRIER_P): Likewise.
8069 (JUMP_TABLE_DATA_P): Likewise.
8070 (INSN_DEAD_CODE_P): Likewise.
8071 * ssa.c: Replaced inclusions with ssa.h inclusion.
8072 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8073 (rename_registers): Removed unnecessary variables.
8074 * ssa.h: Created by moving declarations from ssa.c and
8076 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8077 * toplev.c: Added ssa.h inclusion.
8078 (dump_file_index): Added DFI_dce.
8079 (dump_file): Added "dce" entry.
8081 (f_options): Added dce entry.
8082 * invoke.texi: Document -fdce. Emphasize experimental status of
8086 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8088 * cpperror.c (v_message): Split into _cpp_begin_message and
8089 v_message macro. All callers updated.
8090 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8093 * cppfiles.c (cpp_syshdr_flags): New function.
8094 (read_include_file): Don't call cpp_output_tokens. Call
8096 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8097 (cpp_reader_init): Don't initialize token_buffer. Call
8098 _cpp_init_internal_pragmas.
8099 (cpp_cleanup): Don't clear token_buffer.
8100 (cpp_start_read): Don't worry about output from -D processing.
8101 Don't call cpp_output_tokens.
8102 (cpp_finish): Don't dump macros here. Don't call
8104 * cppmacro.c (_cpp_dump_definition): Rename
8105 cpp_dump_definition. Write directly to a FILE *.
8106 (dump_funlike_macro): Delete.
8107 (dump_macro_args): New.
8109 * cpplex.c (TOKEN_LEN): Convert to inline function.
8110 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8111 cpp_scan_line, _cpp_dump_list): Delete.
8112 (cpp_printf, cpp_output_list): New.
8113 (output_line_command): Don't worry about entering or leaving files.
8114 (cpp_scan_buffer): Just output each token as we hit it.
8115 (process_directive): Don't call cpp_output_tokens.
8116 (_cpp_glue_header_name): Don't use token_buffer.
8117 (output_token, dump_param_spelling): Write directly to a FILE *.
8119 * cpplib.c (pass_thru_directive, dump_macro_name,
8120 pragma_dispatch, do_pragma_gcc): Delete.
8121 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8122 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8124 (do_error, do_warning, pragma_dependency): Call
8125 _cpp_begin_message, then cpp_output_list.
8126 (cpp_register_pragma, cpp_register_pragma_space,
8127 _cpp_init_internal_pragmas): New.
8128 (do_pragma): Walk the pragmas table here.
8129 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8130 do_pragma_dependency): Return void.
8131 (do_pragma_implementation): Moved to cppmain.c.
8133 * cpplib.h: Update prototypes.
8134 (struct cpp_reader): Remove printer, token_buffer,
8135 token_buffer_size, and limit. Add struct cb, and pragmas.
8136 (struct cpp_printer): Remove last_id and written.
8137 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8138 CPP_ADJUST_WRITTEN): Delete.
8139 * cpphash.h: Update prototypes.
8140 (ufputs): New wrapper.
8142 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8143 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8144 (main): Set up callbacks. Register #pragma implementation.
8145 Dump macros from here.
8147 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8149 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8150 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8151 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8152 insns if they have a REG_MAYBE_DEAD note attached.
8153 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8154 (rs6000_emit_load_toc_table): TOC loads may go dead.
8156 2000-08-01 Jim Wilson <wilson@cygnus.com>
8158 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8159 type exists before using it. Use number of words as alignment
8161 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8162 ia64_va_arg): Propagate ia64_function_args changes here.
8164 2000-08-01 Richard Henderson <rth@cygnus.com>
8166 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8167 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8169 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8171 From Joern Rennecke:
8172 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8173 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8174 unless TARGET_SH3E is set.
8175 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8177 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8178 (ashlsi3_std): New pattern.
8179 (ashlsi3 expander): Use it for TARGET_SH3.
8180 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8182 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8184 * loop.c (canonicalize_condition): Use destination, not source to
8185 determine SET's mode.
8187 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8189 * flow.c (clear_log_links): Fix typo.
8191 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8193 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8194 on targets which need more than one insn for a compare/cbranch
8197 2000-07-31 Jim Wilson <wilson@cygnus.com>
8199 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8200 when computing offset.
8202 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8204 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8206 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8208 * flow.c (clear_log_links): Nuke global_live_at_start and
8209 global_live_at_end data, since if the log_links stuff is invalid
8210 so is global_live_at_*.
8212 2000-07-31 Richard Henderson <rth@cygnus.com>
8214 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8216 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8218 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8219 (_cpp_get_token): Don't macro expand a just pasted token if it
8220 was pasted at no_expand_level.
8222 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8224 * cppmacro.c (find_param, count_params, save_expansion):
8225 Permit 'defined' as a macro parameter name.
8227 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8229 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8230 xcpp to cpp throughout.
8231 (native): Remove unnecessary dependency on cpp.
8233 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8234 tradcpp to tradcpp0.
8235 (.i spec): Add missing output-file spec to cc1 command line.
8236 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8238 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8240 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8241 (implicit_decl_warning): New function.
8242 (implicitly_declare): Use it.
8243 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8244 to complain about implicit decls of builtins.
8246 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8247 based on pedantic && flag_isoc99, if not already set.
8248 * c-tree.h: Declare mesg_implicit_function_declaration.
8249 Prototype implicit_decl_warning.
8251 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8253 * Makefile.in (ssa.o): Updated header files in dependences.
8254 * basic-block.h: Added compute_immediate_postdominators declaration.
8255 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8257 * flow.c (compute_immediate_dominators): Updated comment.
8258 (compute_immediate_postdominators): Added definition.
8259 * rtl.h (HARD_REGISTER_P): Added definition.
8260 * ssa.c: Include additional header files.
8261 (assert): Added definition.
8262 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8263 include select hard registers.
8264 (ssa_rename_to_insert): Likewise.
8265 (ssa_rename_from_initialize): Likewise.
8266 (ssa_rename_from_lookup): Likewise.
8267 (original_register): Likewise.
8268 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8269 include select hard reigsters.
8270 (ssa_rename_from_traverse): Likewise.
8271 (ssa_rename_from_free): Likewise.
8272 (ssa_rename_from_print): Likewise.
8273 (ssa_rename_from_print_1): Likewise.
8274 (ssa_rename_from_hash_function): Likewise.
8275 (ssa_rename_from_equal): Likewise.
8276 (ssa_rename_from_delete): Likewise.
8277 (simplify_to_immediate_dominators): Removed in favor of
8278 flow.c:compute_immediate_dominators.
8279 (find_evaluations_1): Modified to work with hard registers.
8280 (insert_phi_node): Likewise.
8281 (insert_phi_nodes): Likewise.
8282 (struct rename_set_data): Updated prev_reg comment.
8283 (create_delayed_rename): Modified to work with hard registers.
8284 (RENAME_NO_RTX): Updated comment.
8285 (apply_delayed_renames): Modified to work with hard registers.
8286 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8287 (rename_block): Updated to use revised ssa_rename_to interface.
8288 (rename_registers): Updated to use revised ssa_rename_to and
8289 ssa_rename_from interface.
8290 (convert_to_ssa): Revised to use compute_immediate_dominators and
8291 deal with hard registers.
8292 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8293 registers. Added check for illegal unification of hard register.
8294 (make_equivalent_phi_alternatives_equivalent): Modified to work
8295 with hard registers.
8296 (compute_conservative_reg_partition): Likewise.
8297 (coalesce_if_unconflicting): Modified to work with hard registers
8298 and check for conflicting hard registers.
8299 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8301 (rename_equivalent_regs_in_insn): Modified to work with hard
8303 (record_canonical_element_1): Added definition.
8304 (check_hard_regs_in_partition): Added definition.
8305 (convert_from_ssa): Added data structure deallocation and check
8306 for illegal hard register unification.
8307 (conflict_hard_regs_p): Added definition.
8308 * toplev.c (rest_of_compilation): Added comment.
8310 2000-07-31 Anthony Green <green@redhat.com>
8312 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8314 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8316 * builtins.c (expand_builtin_apply): Don't defer pop during
8319 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8321 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8322 preferred_unit_stack_boundary when it is > 1.
8324 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8326 * c-common.c (init_function_format_info): Add C99 format functions
8329 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8330 void' or 'register void' as being the special case of 'void' alone
8331 in a parameter list.
8333 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8334 discarding qualifiers into a plain warning.
8336 2000-07-31 Kazu Hirata <kazu@hxi.com>
8338 * combine.c: Fix formatting.
8340 * h8300.md: Fix formatting.
8342 * local-alloc.c: Fix formatting.
8344 * h8300.c (get_shift_alg): Remove the variable alg.
8345 (emit_a_shift): Rearrange code to improve readability.
8347 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8349 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8350 HImode on all architectures and a combination of HImode and SImode
8351 on H8/300H and H8/S.
8353 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8355 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8357 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8360 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8362 * recog.c (extract_insn): Set operand_mode according to
8363 operand if match_operand is VOIDmode.
8365 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8367 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8369 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8371 * c-parse.in (extdefs): Call ggc_collect between external
8374 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8375 Richard Henderson <rth@cygnus.com>
8377 * Makefile.in (OBJS): Add doloop.o.
8378 * doloop.c: New file.
8380 * final.c (insn_current_reference_address): Return 0 before final.
8381 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8382 * jump.c (any_uncondjump_p): Likewise.
8383 * loop.c (indirect_jump_in_function): Make static.
8384 (strength_reduce): Call doloop_optimize.
8385 (insert_bct, instrument_loop_bct): Remove.
8386 * loop.h (doloop_optimize): Prototype.
8387 * recog.c (split_all_insns): Split all INSN_P.
8388 * toplev.c (flag_branch_on_count_reg): Default on.
8390 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8391 flag_branch_on_count_reg.
8392 * config/i386/i386.c (override_options): Likewise.
8393 * config/rs6000/rs6000.c (optimization_options): Likewise.
8395 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8397 (dbra_ge): Remove, as well as all it's splitters.
8399 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8402 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8403 (ia64_register_move_cost): Declare.
8404 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8405 (struct ia64_frame_info): Add ar_size.
8406 (ia64_compute_frame_size): Set it.
8407 (save_restore_insns): Save and restore ar.lc.
8408 (ia64_register_move_cost): New, moved from header file. Handle
8409 application registers.
8410 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8411 (emit_insn_group_barriers): Special case doloop_end_internal.
8412 (ia64_epilogue_uses): Mark ar.lc live at end.
8413 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8414 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8415 (FIRST_PSEUDO_REGISTER): Make room.
8416 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8417 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8418 (REG_ALLOC_ORDER): Update.
8419 (HARD_REGNO_MODE_OK): Update.
8420 (REGISTER_NAMES): Update.
8421 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8422 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8423 (REGNO_REG_CLASS): Update.
8424 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8425 (REGISTER_MOVE_COST): Move out of line.
8426 (PREDICATE_CODES): Update.
8427 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8428 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8429 (shladd_elim splitter): Allow constants in the predicate.
8430 (doloop_end, doloop_end_internal): New.
8432 2000-07-30 Richard Henderson <rth@cygnus.com>
8434 * genattrtab.c (struct insn_def): Add lineno member.
8435 (struct insn_ent): Likewise.
8436 (struct attr_desc): Likewise.
8437 (struct delay_desc): Likewise.
8438 (struct function_unit_op): Likewise.
8439 (struct function_unit): Likewise.
8440 (check_attr_value): Use message_with_line.
8441 (check_defs): Likewise.
8442 (expand_units): Likewise.
8443 (check_attr_test): Take a lineno argument.
8444 (gen_attr): Likewise.
8445 (gen_insn): Likewise.
8446 (gen_delay): Likewise.
8447 (gen_unit): Likewise.
8448 (main): Give it to them.
8449 (convert_set_attr_alternative): Take an insn_def argument
8450 instead of num_alt and insn_index.
8451 (convert_set_attr): Likewise.
8452 (write_test_expr): Protect INSN_ADDRESSES load
8453 with INSN_ADDRESSES_SET_P.
8455 2000-07-30 Richard Henderson <rth@cygnus.com>
8457 * flow.c (init_propagate_block_info): Use pc_set.
8459 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8461 * i386.md (*lea_general_[123]) New insns and splits.
8462 (addsi3 to lea splitter): Handle other modes too.
8463 (shlsi3 to lea splitter): Likewise.
8464 (addhi_1_lea, shlhi_1_lea): New patterns.
8465 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8467 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8469 * recog.c (general_operand, nonimmediate_operand): Accept
8470 any mode for VOIDmode CONSTANT_P operands.
8472 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8474 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8475 instead of replace_rtx.
8476 * recog.c (validate_replace_rtx_subexp): New function.
8477 * recog.h (validate_replace_rtx_subexp): Declare.
8479 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8481 * combine.c (simplify_set, make_extraction, make_compound_operation
8482 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8483 as force_to_mode argument.
8485 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8487 * combine.c (if_then_else_cond): Be sure that mode fits in
8490 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8492 * combine.c (record_promoted_value): Allow bitsize of mode
8493 to be equivalent to HOST_BITS_PER_WISE_INT.
8495 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8497 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8498 Do not call gen_mode_alignment when mode is BLKmode.
8500 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8502 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8504 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8506 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8507 VOIDmode implies both operands to be VOIDmode.
8508 (simplify_ternary_operation): Compute properly the mode of comparison.
8509 * combine.c (combine_simplify_rtx): Likewise.
8511 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8513 * basic-block.h (struct loops): New field rc_order.
8514 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8515 (flow_loops_free): Free rc_order.
8516 (flow_depth_first_order_compute): New parameter rc_order.
8517 (flow_loops_find): Allocate rc_order and swap usage with
8520 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8521 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8523 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8524 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8525 (nodb_call, return_from_epilogue): Likewise.
8526 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8527 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8528 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8529 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8530 (c4x_valid_type_attribute_p): Likewise.
8531 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8532 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8534 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8536 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8537 and loadhi_big_constant if applicable.
8538 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8539 and add new splitter.s
8541 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8543 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8545 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8547 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8549 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8551 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8553 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8555 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8557 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8559 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8560 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8561 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8562 (get_prev_bb_note): Likewise.
8563 (remove_scope_notes): Likewise.
8564 * flow.c (commit_one_edge_insertion): Likewise.
8565 (merge_blocks_nomove): Likewise.
8566 (verify_flow_info): Likewise.
8567 * gcse.c (insert_insn_end_bb): Likewise.
8568 * reg-stack.c (emit_swap_insn): Likewise.
8569 * ssa.c (first_insn_after_basic_block_note): New function.
8570 (insert_phi_node): Use it.
8571 (rename_block): Likewise.
8572 (eliminate_phi): Likewise.
8573 (make_regs_equivalent_over_bad_edges): Likewise.
8574 (make_equivalent_phi_alternatives_equivalent): Likewise.
8575 (for_each_successor_phi): Likewise.
8576 (convert_from_ssa): Modify phi-node deletion algorithm.
8578 2000-07-29 Andreas Jaeger <aj@suse.de>
8580 * configure.in (mips*-*-linux*): Use mips*el to check for little
8581 endian MIPS, add tmake_file.
8583 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8584 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8585 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8587 2000-07-28 Richard Henderson <rth@cygnus.com>
8589 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8590 Sign extend mode size before negating.
8592 2000-07-28 Richard Henderson <rth@cygnus.com>
8594 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8596 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8598 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8599 (cse_insn): Likewise.
8600 (addr_affects_sp_p): Likewise.
8601 * expr.c (move_by_pieces): Likewise.
8602 (clear_by_pieces): Likewise.
8603 * gcse.c (oprs_unchanged_p): Likewise.
8604 * haifa-sched.c (sched_analyze_2): Likewise.
8605 * recog.c (offsettable_address_p): Likewise.
8606 * regclass.c (record_address_regs): Likewise.
8607 * reload.c (find_reusable_reload): Likewise.
8608 (push_reload): Likewise.
8609 (operands_match_p): Likewise.
8610 (decompose): Likewise.
8611 (find_reloads_address_1): Likewise.
8612 (find_inc_amount): Likewise.
8613 * reload1.c (elimination_effects): Likewise.
8614 * resource.c (mark_set_resources): Likewise.
8615 * flow.c (attempt_auto_inc): New function; mostly broken out
8617 (find_auto_inc): Split into two functions and enhanced to
8618 generate POST_MODIFY.
8619 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8620 * rtl.h (count_all_occurrences): Declare.
8621 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8623 * rtlanal.c (count_all_occurrences): New function.
8624 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8625 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8627 * config/ia64/ia64-protos.h (destination_operand): Declare.
8628 * config/ia64/ia64.c (destination_operand): New function.
8629 (ia64_print_operand): Handle POST_MODIFY.
8630 (rtx_needs_barrier): Likewise.
8631 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8632 (HAVE_POST_MODIFY_REG): Define to 1.
8633 (MAX_REGS_PER_ADDRESS): Change to 2.
8634 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8635 (LEGITIMATE_ADDRESS_REG): New helper macro.
8636 (LEGITIMATE_ADDRESS_DISP): Likewise.
8637 (PREDICATE_CODES): Add entry for destination_operand.
8638 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8639 predicate for operand 0.
8641 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8643 * dwarf2out.c: Indent #error directive.
8645 * gbl-ctors.h: Fix typo in comment.
8646 (__do_global_ctors): Prototype.
8648 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8650 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8651 (print_operand): Initialize variable `t'.
8653 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8655 * config/arm/arm.md ("call_value"): removed constraints.
8656 Constraints are ignored in expanders.
8657 (*call_value_reg): split =rf into various constraints.
8658 (*call_value_mem): same
8659 (*call_value_symbol): same
8660 (*sibcall_value_insn): same
8662 2000-07-28 Philipp Thomas <pthomas@suse.de>
8664 * install.texi (--enable-nls): Change the description of the NLS
8665 related configure options to match the current state.
8666 (--with-included-gettext): Likewise.
8667 (--enable-maintainer-mode): New description added.
8668 * extend.texi (-fstrict-prototype): Add missing '.'.
8670 2000-07-27 Jim Wilson <wilson@cygnus.com>
8672 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8673 DECL_INITIAL (decl) == NULL_TREE.
8675 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8677 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8678 on insn-attr.h with it.
8679 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8680 * insn-addr.h: New header.
8681 (insn_addresses_): Renamed from insn_addresses.
8682 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8683 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8684 INSN_ADDRESSES_NEW): New macros.
8685 * genattrtab.c (write_test_expr): Use new macros.
8686 * final.c (insn_addresses, init_insn_lengths): Likewise.
8687 (align_fuzz, shorten_branches): Likewise.
8688 (final): Likewise. Do not reject new insns if their addresses
8689 have been added to INSN_ADDRESSES.
8690 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8691 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8692 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8693 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8694 * config/sh/sh.c: Likewise.
8695 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8697 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8699 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8701 * gcc.c (struct prefix_list): Add member priority.
8702 (enum path_prefix_priority): Declare.
8703 (add_prefix): Replace ``first'' with ``priority''. Append new
8704 entry but keep list in priority order.
8705 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8706 PREFIX_PRIORITY_LAST to add_prefix.
8707 (process_command): Move include kludge - foo/stageN - to before
8710 2000-07-27 Jason Merrill <jason@redhat.com>
8712 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8713 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8715 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8717 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8718 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8720 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8722 * c-decl.c (finish_function): Don't treat 'main' specially unless
8723 flag_hosted. In C99 mode, return 0 from 'main' unless
8724 DEFAULT_MAIN_RETURN is otherwise defined.
8726 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8727 parameters defaulting to int in an old-style function definition.
8729 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8731 * c-parse.in (string): For -Wtraditional, warn about string
8732 concatenation only once per line.
8734 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8736 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8737 for HI-UX/WE2 systems.
8739 2000-07-24 Bruce Korb <bkorb@gnu.org>
8741 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8742 defining the __xxx_TYPE__ macros.
8743 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8744 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8745 * fixincl/inclhack.def(type_map): now obsolete
8747 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8749 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8751 2000-07-26 Dave Pitts <dpitts@cozx.com>
8753 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8755 (mvs_hash_alias): New function.
8756 (mvs_add_alias): Change argument spacing.
8757 (mvs_need_alias): Change aliasing criteria. Added documentation.
8758 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8759 CSECT name collisions.
8760 (mvs_check_alias): Likewise.
8761 (handle_pragma): Change documentation.
8762 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8763 mode from SImode to DImode.
8764 (iorhi3): Changed LTORG size for insn.
8766 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8768 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8769 mem if the address is a mode_dependent_address_p.
8771 2000-07-26 Kazu Hirata <kazu@hxi.com>
8773 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8774 suitable for 8-bit absolute.
8775 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8776 (OK_FOR_U): Add a case for the 8-bit constant address on the
8779 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8781 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8782 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8783 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8784 lack of implemented alignment.
8786 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8788 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8789 cross-compiling between 64-bit and 32-bit machines.
8791 2000-07-27 Richard Henderson <rth@cygnus.com>
8793 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8794 (movhicc_astep, movhi_internal_astep): New.
8795 (movsicc_astep, movsi_internal_astep): New.
8796 (movdicc_astep, movdi_internal_astep): New.
8797 (movsfcc_astep, movsf_internal_astep): New.
8798 (movdfcc_astep, movdf_internal_astep): New.
8799 (movxfcc_astep, movxf_internal_astep): New.
8800 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8801 Unify the cmov[ds]i splitters.
8803 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8805 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8807 2000-07-26 Nick Clifton <nickc@cygnus.com>
8809 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8810 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8812 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8813 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8815 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8817 * c-decl.c (finish_enum): Convert enumerations that fit in an
8819 (build_enumerator): In pedantic mode, cast to `int' those that
8822 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8824 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8826 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8828 * sh.md (cmpgtdi_t): Must be split.
8829 (cmpgtdi_t+1): New splitter.
8831 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8833 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8834 warnings for indented directives even if we are skipping.
8836 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8838 * invoke.texi (strict-prototypes): Remove.
8839 * extend.texi (Deprecated Features): Add strict-prototypes.
8840 (Backwards Compatibility): New node.
8842 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8844 * config/i386/i386.md (andsi_1+1): Allow HImode.
8845 (andsi_1+2): Require q_regs_operand.
8847 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8849 * config/i386/i386.md (call_pop): Check operands[0],
8850 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8852 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8853 (call_value): Likewise.
8855 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8857 * toplev.c (pipe_closed): Delete.
8858 (crash_signal): New. Generate ICE for a fatal signal.
8859 (float_signal): Call crash_signal outside a float-handler
8861 (main): Install crash_signal as handler for core-dumping signals.
8863 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8865 * rs6000.c (print_operand, case 'T'): New case.
8867 * rs6000.md (call_indirect_aix32): Convert to expander of
8868 scheduled instructions.
8869 (call_indirect_aix64): Likewise.
8870 (call_value_indirect_aix{32,64}): Likewise.
8871 (call, call_value): Invoke expanders for AIX. Fall through to
8873 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8874 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8875 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8876 only "g" constraint.
8877 (call_nonlocal_aix64): Likewise.
8878 (call_value_nonlocal_aix{32,64}): Likewise.
8879 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8881 (call_value_nonlocal_sysv): New pattern.
8882 (indirect_jump{si,di}): Use new 'T' modifier.
8883 (tablejump{si,di} matchers): Likewise.
8884 (return_internal_{si,di}): Likewise.
8885 (return_eh_{si,di}): Likewise.
8887 2000-07-24 Richard Henderson <rth@cygnus.com>
8889 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8890 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8891 * config/ia64/ia64.md (movdi_internal): Use it.
8893 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8895 * cppexp.c: Warn about unary + if -Wtraditional.
8896 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8898 2000-07-24 Michael Meissner <meissner@redhat.com>
8900 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8903 2000-07-24 Nick Clifton <nickc@cygnus.com>
8905 * config/arm/arm.c (emit_multi_reg_push): Generate a
8906 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8907 dwarf2out_debug_frame_expr.
8909 2000-07-24 Jason Merrill <jason@redhat.com>
8911 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8912 UNALIGNED_INT_ASM_OP.
8913 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8914 a location expression.
8915 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8916 assume indirect access if we're saving the CFA address exactly.
8918 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8920 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8922 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8925 2000-07-24 Michael Meissner <meissner@redhat.com>
8927 * invoke.texi (D30V Options): Add d30v options.
8929 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8931 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8932 needed by our gcse pass anymore.
8933 (free_pre_mem): Corresponding changes.
8934 (compute_pre_data): Do not call compute_transpout anymore.
8936 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8937 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8940 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8941 (compute_pre_data): Do it here instead.
8943 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8945 (pre_delete): Corresponding changes.
8947 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8949 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8950 to figure out whether or not a variable has already been emitted.
8952 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8954 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8955 instead of gen_call.
8957 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8959 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8961 2000-07-23 Kazu Hirata <kazu@hxi.com>
8963 * h8300.c: Fix formatting.
8965 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8967 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8968 for `long' switch expression into a plain warning.
8970 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8971 (yylex): Don't pedwarn for "inline" in C99 mode.
8973 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8975 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8976 ggc_alloc): Likewise.
8977 * bb-reorder.c (dump_scope_forest_1): Likewise.
8979 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8981 * reload.c (find_reloads_toplev): Add new parameter
8983 (find_reloads): Add new parameter to find_reloads_toplev calls.
8985 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8987 * collect2.c (main): Typo fixed.
8988 * diagnostic.c: Typo fixed.
8989 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8990 * eh-common.h: Typo fixed.
8991 * emit-rtl.c (start_sequence): Typo fixed.
8992 * flow.c (find_label_refs): Typo fixed.
8993 (calculate_global_regs_live): Typo fixed.
8994 (mark_regno_cond_dead): Typo fixed.
8995 (create_edge_list): Typos fixed.
8996 (verify_edge_list): Typo fixed.
8997 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8998 * loop.c (strength_reduce): Typo in function name fixed.
8999 * rtl.h: Added comments. Typo in function name fixed.
9000 * rtlanal.c: Typo in function name fixed.
9001 (insn_dependant_p): Rename to ...
9002 (insn_dependent_p): ... this.
9003 (computed_jumo_p): Typo fixed.
9005 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9007 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9009 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9011 * rs6000.h (SIZE_TYPE): Define.
9013 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9015 * ssa.c (rename_insn_1): Don't rename registers that are
9018 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9020 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9022 (fatal_function, set_fatal_function): Removed.
9023 (fatal): Don't prepare for or call the fatal_function.
9024 (diagnostic_lock, error_recursion): New.
9025 (diagnostic_for_decl, report_diagnostic): Guard against
9026 re-entering the error reporting routines.
9027 (fancy_abort): Assume function is not NULL.
9029 * errors.c (fancy_abort): New. Assume function is not NULL.
9030 * tradcpp.c (fancy_abort): Assume function is not NULL.
9032 * system.h: Provide default definition of __FUNCTION__.
9033 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9034 Always use __FUNCTION__ in definition of abort.
9036 * varray.h: Likewise.
9037 * toplev.h: Likewise. Don't prototype set_fatal_function.
9039 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9041 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9043 * glimits.h: Don't do #if defined for ARCH_PPC.
9045 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9046 constants of size no larger than a pointer should go in the TOC.
9047 Add 'MODE' parameter.
9048 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9049 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9050 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9051 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9052 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9053 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9054 (rs6000_legitimize_address): Likewise.
9055 (rs6000_emit_move): Likewise.
9056 (rs6000_select_rtx_section): Likewise.
9057 (output_toc): Deal properly with outputting small constants like
9058 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9059 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9060 MODE parameter. Put small constants in the TOC.
9062 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9064 (rs6000_emit_move): When reload calls us with an illegitimate
9065 address, exit early. Move the change_address calls to one place
9066 at the end of the routine. Merge the SImode and DImode expanders.
9067 When called by reload to put an integer into a FP register, force
9070 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9072 (rs6000_hash_constant): Hash mode too.
9073 (toc_hash_function): Allow for key_mode.
9074 (toc_hash_eq): Structures are different if key_mode differs.
9075 (output_toc): Add 'mode' parameter. Save key_mode.
9076 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9077 Pass 'mode' parameter.
9078 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9080 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9081 for vtable references.
9083 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9084 choice, don't put integer values in FP regs.
9086 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9088 * flow.c (verify_flow_info): Revamp code to verify that the
9089 head and end of each basic block are in the insn chain.
9091 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9093 * gcse.c (record_one_set): Prepend instead of append onto
9094 reg_set_table, making it O(n) instead O(n^2).
9095 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9096 Use a queue instead of a stack as worklist.
9098 2000-07-20 Kazu Hirata <kazu@hxi.com>
9100 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9101 * h8300.h (OK_FOR_T): New.
9102 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9103 * h8300.md: Use inc/dec.[wl] for increment/decrement
9104 by 1 and 2 in HI and SI modes.
9106 2000-07-20 Jim Wilson <wilson@cygnus.com>
9108 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9109 larger than 14 bits.
9111 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9113 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9114 (count_params): Don't set GNU_REST_ARGS on anything.
9115 (save_expansion): Set PASTE_LEFT only on tokens for which
9116 CAN_PASTE_AFTER is true, or which are named operators.
9118 * cpplex.c (parse_args): Distinguish between a rest argument
9119 given one empty argument, and a rest argument given zero arguments.
9120 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9121 deletion of previous token based on that.
9122 (get_raw_token): Flatten some control structure.
9124 * cpplib.h (CPP_LAST_EQ): Correct.
9125 (VOID_REST): New token flag.
9126 (GNU_REST_ARGS): Delete.
9128 * tradcpp.c (main): Don't munge -D options.
9129 (make_definition): Bring -D handling in line with cpplib.
9130 (do_define): Strip all leading whitespace from macro definitions.
9132 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9134 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9136 2000-07-20 Bruce Korb <bkorb@gnu.org>
9138 * fixincl/check.tpl: strip the platform specific types before testing
9139 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9140 * fixincl/fixincl.tpl: use platform specific types
9141 * fixincl/fixlib.h: include the platform specific types
9142 * fixincl/inclhack.def(gnu_types): don't supply the types
9143 * fixincl/fixincl.x: regen
9145 2000-07-19 Jim Wilson <wilson@cygnus.com>
9147 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9150 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9152 * tradcpp.c (rescan): Do not recognize directives when the #
9155 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9157 Implement C++ named operators.
9159 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9160 of operators allowed in #if and having an _EQ variant. Add
9161 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9162 (cpp_token flags): Add NAMED_OP.
9163 (enum node_type): Add T_OPERATOR.
9164 (struct cpp_hashnode): Add code slot to value union.
9165 * cpphash.h (spec_nodes): Remove n_defined.
9167 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9168 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9169 (is_macro_disabled): Tweak error messages.
9171 * cpplib.c (get_define_node): Disallow all named operators as
9172 macro names. Tweak error messages.
9173 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9175 * cppinit.c (builtin_array): Add entries for the named operators.
9176 * cppexp.c (lex): Check for CPP_DEFINED token.
9177 (priority table): Add entries for CPP_MIN and CPP_MAX.
9178 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9180 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9182 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9183 larger than the array of cuids.
9184 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9187 2000-07-19 Bruce Korb <bkorb@gnu.org>
9189 * fixinc/fixincl.c: Convert to using a table of environment variables
9190 and activate the auto-edit marker on the fixed output files.
9191 * fixinc/fixlib.h: Define the environment table
9192 * fixinc/fixincl.sh: export the ${INPUT} dir
9193 * fixinc/check.tpl: likewise
9195 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9197 * gcc.c (.h spec): Fix typo.
9199 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9201 * Makefile.in: Fix tradcif.c path.
9203 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9205 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9208 * cpphash.h (TOKEN_NAME): New macro.
9209 (_cpp_spell_operator): Deleted.
9210 (token_spellings): Now _cpp_token_spellings.
9212 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9213 * cpplex.c: Use OP and TK macros when expanding the
9214 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9215 store the stringification of the enumeration name (CPP_CHAR,
9216 etc.) in the name slot of token_spellings.
9217 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9218 token_spellings directly.
9219 * cpplib.c: Use TOKEN_SPELL.
9221 * cpplex.c (_cpp_push_token): If the token being pushed back
9222 is the previous token in this context, just subtract one from
9224 * cppmacro.c (save_expansion): Clear aux field when storing a
9227 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9229 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9230 buffer, provided it is not NULL.
9232 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9234 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9235 case of invalid volatile re-declaration.
9237 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9239 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9240 (expand_call): Adjust caller.
9242 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9244 * diagnostic.h (report_diagnostic): Change prototype.
9246 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9247 diagnostic_for_decl): Change prototype.
9248 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9249 error, warning, error_with_file_and_line,
9250 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9251 Adjust call to report_diagnostic, diagnostic_for_decl.
9252 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9253 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9255 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9256 varaible argument list.
9258 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9260 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9261 moved to cppmacro.c.
9262 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9263 dump_hash_helper): Delete.
9264 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9265 cpp_forall_identifiers): New. Implement specialized version of
9266 Vlad's expandable hash table.
9267 (cpp_lookup): Use new functions.
9268 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9270 * cppmacro.c: New file.
9271 * cppinit.c (dump_macros_helper): New.
9272 (cpp_finish): Iterate over the identifier table directly.
9273 * cpplex.c (parse_name): Calculate the hash of the identifier
9274 while we scan it. Use _cpp_lookup_with_hash when we can.
9276 * cpphash.h: Update prototypes.
9277 (xcnewvec, HASHSTEP): New helper macros.
9278 * cpplib.h: Update prototypes.
9279 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9280 (cppmacro.o): New rule.
9281 (cpphash.o): Update deps.
9283 * cppmain.c: Do not set pfile->printer if no_output is on.
9285 2000-07-15 Neil Booth <neilb@earthling.net>
9287 * cpplib.c: Change all directive-handler functions to return
9289 * cpphash.h: Update typedefs.
9291 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9293 * configure: Regenerate.
9295 * extend.texi (Extended Asm): Mention that a memory clobber
9296 does not count as a side-effect.
9298 * unroll.c (copy_loop_body): Fix one instance of using host
9299 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9302 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9304 2000-07-17 Richard Henderson <rth@cygnus.com>
9306 * config/ia64/ia64.md (movdi): Split out load address code.
9307 New post-reload splitter for symbolic operands.
9308 (movdi_internal): Abort if we didn't split symbolic operands
9309 when we should have.
9310 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9311 (ia64_reorg): Split insns when not optimizing.
9312 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9314 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9316 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9317 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9319 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9321 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9323 2000-07-17 Jason Merrill <jason@redhat.com>
9325 * Makefile.in (clean): Remove libgcc directory.
9327 * configure.in (-Wno-long-long check): Use higher-level macros.
9329 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9331 * simplify-rtx.c (simplify_binary_operation): Recognize
9332 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9333 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9334 a CONST_INT, it will always be zero.
9336 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9338 * loop.c (check_dbra_loop) : Return if more than one condition is
9339 present to control the loop.
9341 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9343 * mips.c (mips_expand_prologue): Don't calculate the last argument
9344 register unless we need it. When we are calculating this, make
9345 sure FUNCTION_ARG is giving us a REG.
9347 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9349 * flow.c (libcall_dead_p): Use single_set to verify the insn
9350 has only one set and get for analysis.
9351 (propagate_one_insn): Don't pass the PATTERN of the insn.
9353 2000-07-17 Mark Klein <mklein@dis.com>
9355 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9357 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9359 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9360 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9361 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9362 of second argument of getgroups.
9363 * configure, config.in: Rebuilt.
9365 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9367 * simplify-rtx.c (simplify_relational_operation): Two signed
9368 values with equal high words are less/greater than each other if
9369 their low words are less/greater when considered as unsigned.
9371 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9373 * configure.in (vax-*-openbsd): Change to new style configuration,
9374 add collect2/float_format information.
9375 * configure: Rebuilt.
9376 * config/vax/openbsd1.h: New.
9377 * config/vax/openbsd.h: New.
9378 * config/vax/t-openbsd: New.
9380 2000-07-17 Chip Salzenberg <chip@valinux.com>
9382 * c-common.c (shorten_compare): Quiet warnings about unsigned
9383 comparisons with zero when they occur in a system header.
9385 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9387 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9388 update to describe current practice.
9390 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9392 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9393 references to C9X. Change references to -fstd and -flang-isoc9x
9396 * c-common.c (scan_char_table): Allow "z" length modifiers on
9398 (check_format_info): Use TYPE_DOMAIN on the type matched against
9399 for "z" formats, to retrieve the language size_t rather than the
9402 * c-common.c (check_format_info): Do not make a pedantic objection
9403 to the 'L' length modifier if used with a floating point type
9406 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9407 constants in C99 mode.
9409 2000-07-17 Kazu Hirata <kazu@hxi.com>
9411 * h8300.md: Fix the format of mac.
9412 (movsi_h8300hs): Output a tab after stmac instead of a space.
9414 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9415 profitable adds/subs sequences.
9417 * fold-const.c: Fix comment typos.
9419 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9421 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9423 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9425 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9427 2000-07-16 Neil Booth <NeilB@earthling.net>
9429 * cpplex.c: Update comments.
9430 * README.Portability: Small update.
9432 2000-07-16 Neil Booth <NeilB@earthling.net>
9434 * README.Portability: Small update.
9436 2000-07-15 Richard Henderson <rth@cygnus.com>
9438 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9439 * config/ia64/ia64.c (ia64_move_ok): New function.
9440 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9441 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9443 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9445 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9446 immediately following a paste operator.
9447 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9448 (cpp_reader_init): Call it, if HOST_EBCDIC.
9449 (cpp_handle_options): Do not sort option list here.
9450 (handle_option): Rename to cpp_handle_option and export.
9451 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9452 _cpp_get_token directly.
9453 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9454 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9455 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9458 2000-07-15 Richard Henderson <rth@cygnus.com>
9460 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9461 cast around an expression. Tidy other unsigned tests.
9463 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9465 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9466 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9467 (v_message_with_decl): Rename to ...
9468 (format_with_decl): ... this. Tweak
9469 (diagnostic_for_decl): New function.
9470 (fatal_io_error): Use verbatim in lieu of notice.
9471 (announce_function): Use verbatim.
9472 (default_print_error_function): Likewise.
9473 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9476 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9478 * mips.c (function_arg_pass_by_reference): Don't do automatic
9479 aggregate initialization.
9480 (machine_dependent_reorg): Initialize variable `mode'.
9482 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9483 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9484 conflicts with sys/param.h macro of the same name.
9485 (reload_outdi): Likewise.
9487 2000-07-15 Michael Meissner <meissner@redhat.com>
9489 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9490 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9491 create a new node instead.
9493 2000-07-15 Neil Booth <NeilB@earthling.net>
9495 * README.Portability: Correct example about calling a function
9496 through a pointer to function. Format wide paragraphs.
9498 2000-07-15 Michael Meissner <meissner@redhat.com>
9500 * README.Portability: Update integer suffixes and function
9503 2000-07-15 Neil Booth <NeilB@earthling.net>
9505 * README.Portability: Small update.
9507 2000-07-15 Neil Booth <NeilB@earthling.net>
9509 * README.Portability: New file.
9511 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9513 * INSTALL: Give special instructions for building GCC on Irix 6.
9514 * config/mips/x-iris6 (CC): Don't set it.
9517 2000-07-14 Jason Merrill <jason@redhat.com>
9519 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9520 register in the stack and later in another register, use the new
9523 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9525 * config/mips/mips.md: (absdi2): Handle sign_extend for
9528 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9530 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9532 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9534 * .cvsignore: Correct typo.
9536 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9538 * .cvsignore: Add generated YACC files.
9539 * objc/.cvsignore: New file.
9541 2000-07-14 Neil Booth <NeilB@earthling.net>
9543 * cpplex.c (adjust_column): New funcion.
9544 (skip_whitespace): Use it.
9545 (skip_block_comment): Use it, and warn about /*/* with
9548 2000-07-14 Neil Booth <NeilB@earthling.net>
9550 * cpphash.c (struct macro_info): Add new members.
9551 (_cpp_free_definition): Delete the macro directly.
9552 (count_params): Return void, with first token of
9553 expansion in struct macro_info on success.
9554 (parse_define): Return int. Hoist syntax checking from
9555 save_macro_expansion. Leave call to save_expansion to
9556 _cpp_create_definition.
9557 (alloc_macro): Needs just 2 arguments.
9558 (free_macro): Delete.
9559 (save_expansion): Don't perform syntax check.
9560 (_cpp_create_definition): Call save_expansion.
9562 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9564 * genrecog.c (write_header): Split long string.
9566 * cpphash.c (macro_info): Don't use the `signed' keyword.
9568 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9570 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9572 * calls.c (stored_args_map): New variable.
9573 (check_sibcall_argument_overlap_1): New.
9574 (check_sibcall_argument_overlap): New.
9575 (expand_call): Initialize stored_args_map.
9576 Call check_sibcall_argument_overlap.
9578 2000-07-13 Bruce Korb <bkorb@gnu.org>
9580 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9581 (emit_gnu_type): utility procedure for gnu_type_fix
9582 (gnu_type_fix): implement various pre-processor guards around
9583 standard types so these types can be defined over and over
9584 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9585 types alluded to above will have GNU-compliant base types
9586 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9587 * fixinc/inclhack.def: add test_text entries and utilize the new
9588 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9589 * fixinc/fixincl.x: regenerate
9591 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9593 * diagnostic.c (vline_wrapper_message_with_location,
9594 v_message_with_file_and_line, v_error_with_file_and_file,
9595 v_error_for_asm, v_warning_for_asm, vfatal,
9596 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9597 vsorry, verror, vwarning, vpedwarn): Remove.
9598 (diagnostic_for_asm): New function.
9599 (pedwarn, error, warning, pedwarn_with_file_and_line,
9600 error_with_file_and_line, warning_with_file_and_line, sorry,
9601 error_for_asm, warning_for_asm, fatal): Reimplement.
9602 (finish_diagnostic): Clear diagnostic info as well.
9604 2000-07-13 Neil Booth <NeilB@earthling.net>
9606 * c-common.h (flag_digraphs): New.
9607 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9608 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9611 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9613 * gcc.c (do_spec_1): Add new %B operator.
9614 (set_input): Prepare for %B.
9616 (link_command_spec): Move up with the other tm.h-
9617 overrideable specs. Factor out the portion conditional on
9618 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9619 (struct compiler): Just have a single spec string. All users
9621 (default_compilers): Remove unnecessary braces.
9622 (static_specs): Update.
9624 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9626 (C and assembly specs): Use the new named specs, as appropriate.
9628 * objc/lang-specs.h: Use the new named specs.
9629 Remove unnecessary braces.
9631 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9633 * gcc.c (execute): If a subprocess gets a fatal signal, report
9634 strsignal() of the signal number, and ask for a bug report.
9635 Do not do this for SIGPIPE if there's already been an error.
9637 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9640 * tradcif.c: Remove.
9642 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9644 * final.c (profile_function): Do not emit profile counters in
9645 the data section, if NO_PROFILE_COUNTERS is defined.
9646 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9649 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9650 (FUNCTION_PROFILER): Just emit a call to mcount.
9652 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9654 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9656 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9657 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9658 traditional, lang_chill, or lang_fortran.
9660 * cppfiles.c: #undef strcmp to suppress warning about macros
9661 used without arguments.
9662 (_cpp_execute_include): Use f, not fname, in "No include path"
9664 (_cpp_pop_file_buffer): New function.
9665 * cpplib.c: Don't include <sys/mman.h>.
9666 (cpp_push_buffer): Set line_base and lineno in new buffer.
9667 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9669 * cpplex.c: Move all prototypes and structure declarations to the
9670 top of the file. Properly parenthesise some macro arguments.
9671 (cpp_scan_line): New function.
9672 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9673 don't need to walk up the stack counting.
9675 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9677 * c-common.c (combine_strings): Emit a pedantic warning when a
9678 string length is greater than the minimum ANSI C is required
9681 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9683 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9684 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9686 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9688 * c-decl.c (define_label): Warn about identifier conflicts with
9689 labels in traditional C.
9691 * c-parse.in (unop +): Warn about the unary plus operator for
9694 * c-typeck.c (store_init_value): Warn about automatic aggregate
9695 initialization for traditional C.
9697 * invoke.texi (-Wtraditional): Document new warnings.
9699 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9701 * Makefile.in (c-errors.o): Fix thinko in dependency.
9703 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9705 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9706 -traditional, -ftraditional, or -traditional-cpp was given.
9707 Do not pass -traditional to the preprocessor.
9708 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9709 preprocessor does it automatically.
9710 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9712 * ch/lang-specs.h: Always use tradcpp. Do not pass
9713 -traditional, -trigraphs, or -pedantic to the preprocessor.
9714 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9717 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9719 * cppexp.c (LOGICAL): Delete macro.
9720 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9723 * cpphash.c (HASHSIZE): Increase to 4096.
9724 (struct hashdummy): Add hash field.
9725 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9726 the string values using memcmp.
9727 (cpp_lookup): Set dummy.hash.
9729 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9731 * configure.in (m88k-openbsd): Express configuration using new fragment
9733 * configure: Rebuilt.
9734 * m88k/aout-dbx.h: New.
9735 * m88k/openbsd.h: New.
9736 * m88k/xm-openbsd.h: New.
9738 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9740 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9742 2000-07-12 Richard Henderson <rth@cygnus.com>
9744 * reload.c (push_secondary_reload): Make sure to add the new
9745 reload at the end, after acquiring secondary memory.
9747 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9749 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9751 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9752 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9754 * c-parse.in (stmt): Delete unused variables.
9756 * convert.c (convert_to_vector): Likewise.
9758 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9760 * tree.c (finish_vector_type): Prototype.
9762 2000-07-12 Bruce Korb <bkorb@gnu.org>
9764 * fixinc/fixfixes.c: use xmalloc
9765 * fixinc/fixincl.c(initialize): set program name for xmalloc
9766 * fixinc/fixlib.c(must_malloc): obsolete
9767 (is_cxx_header): no longer used - disabled
9768 (skip_quote): inserted and disabled for future use
9769 * fixinc/fixlib.h: reflects above
9770 * fixinc/fixtests.c: removed dinkleberries
9772 2000-07-12 Neil Booth <NeilB@earthling.net>
9774 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9775 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9777 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9778 struct toklist_dummy): New.
9779 (cpp_free_definition): Free macros with free_macro.
9780 (count_params): Don't save paramter spellings. Save macro
9781 information in a struct macro_info.
9782 (parse_define): Don't allocate a token list.
9783 (save_expansion): Allocate the macro's token list, and
9784 save parameter spellings if necessary. Use TOKEN_SPELL.
9785 (cpp_create_definition): Make list const.
9787 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9789 * c-typeck.c (pedwarn_c99): Move to
9790 * c-errors.c: ... Here.
9791 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9792 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9793 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9794 (c-errors.o): List dependency.
9796 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9798 * c-parse.c: Remove.
9799 * c-parse.h: Likewise.
9800 * c-parse.y: Likewise.
9801 * objc/objc-parse.c: Likewise.
9802 * objc/objc-pasre.y: Likewise.
9804 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9806 * gcc.texi: Fix minor typos
9807 * extend.texi: Fix minor typos
9809 2000-07-11 Marc Espie <espie@openbsd.org>
9811 * collect2.c (main): Recognize .lo as object files.
9813 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9815 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9818 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9819 with MAP_ANONYMOUS and MAP_ANON.
9820 * configure, config.in: Rebuilt.
9822 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9824 * diagnostic.c (save_output_state): Remove.
9825 (restore_output_state): Likewise.
9826 (clear_text_info): New function.
9827 (clear_diagnostic_info): Likewise.
9828 (output_text_length, is_starting_newline, output_prefix,
9829 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9830 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9831 (set_real_maximum_length, output_set_maximum_length,
9832 output_set_prefix, output_get_prefix, output_set_maximum_length,
9833 output_destroy_prefix, init_output_buffer,
9834 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9835 output_add_newline, output_add_character, output_add_space,
9836 output_append_r, output_append, wrap_text, output_format,
9837 output_do_printf, output_printf, output_do_verbatim,
9838 output_verbatim, verbatim): Use them.
9839 (output_clear): Split into cleat_text_info and
9840 clear_diagnostic_info.
9841 (struct output_state): Move to...
9843 * diagnostic.h: ...Here
9844 (struct output_buffer): Adjust.
9846 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9848 * cpplex.c (parse_name): No longer inline (premature optimization).
9849 (do_pop_context): Fold into pop_context.
9850 (pop_context): Returns int.
9851 (lex_next): Hoist test for end of directive into pop_context.
9852 (push_macro_context): Returns int; takes just reader and token.
9853 Hoist test for excessive nesting to caller.
9854 (push_arg_context): Returns void; takes just reader and token.
9855 Do not call stringify_arg or get_raw_token.
9856 (get_raw_token): Convert tail recursion through push_arg_context
9857 to a loop at this level. Call stringify_arg here if appropriate.
9858 (maybe_paste_with_next): Convert tail recursion to a while loop.
9859 Hoist test of paste_level to caller.
9861 (stringify_arg): Push arg context at beginning.
9862 (cpp_get_token): Split out core into _cpp_get_token. Call
9863 process_directive here. Throw away CPP_PLACEMARKER tokens.
9864 (_cpp_get_token): Convert tail recursion through
9865 push_macro_context to a loop at this level.
9866 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9867 _cpp_get_raw_token): Use _cpp_get_token.
9868 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9869 not call pop_context.
9870 (_cpp_run_directive): Call lex_next directly.
9872 * cpphash.h: Prototype _cpp_get_token.
9873 * cppexp.c (lex): Use it.
9874 * cpphash.c (parse_define): Use it.
9875 * cpplib.c (get_define_node, do_undef, parse_include,
9876 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9877 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9878 parse_ifdef, validate_else): Use it.
9879 (cpp_push_buffer): Tweak error message; abort if anyone tries
9880 to push a buffer while macro expansions are stacked.
9882 2000-07-11 Donn Terry <donnte@microsoft.com>
9884 * cpplex.c (free_macro_args, save_token): Cast arg of free
9885 and/or xrealloc to PTR.
9886 (_cpp_init_input_buffer): Clear all fields of the base context.
9888 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9890 * gensupport.c (process_rtx): Make rtl checking stop
9891 complaining about the define_insn while it is being
9892 converted from a define_insn_and_split.
9894 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9896 * config/mips/mips.c (simple_memory_operand): Access the
9897 INTVAL of the address, not it's containing MEM.
9899 2000-07-11 Bruce Korb <bkorb@gnu.org>
9901 * fixinc/fixtests.c(double_slash): obsolete
9902 (else_endif_label): likewise
9903 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9904 (libc1_ifdefd_memx): correct initial comment
9905 and omit the #if/#endif pair from the memxxx declarations
9906 * fixinc/fixincl.x: regen
9908 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9910 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9912 2000-07-11 Neil Booth <NeilB@earthling.net>
9916 2000-07-11 Neil Booth <NeilB@earthling.net>
9918 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9919 (handle_option): Set digraphs according to standard.
9920 Merge OPT_lang_c89 handler with OPT_std_c89.
9922 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9923 accordance with the digraphs flag.
9925 * cpplib.h: (struct cpp_options): New option digraphs.
9927 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9928 Bruce Korb <bkorb@gnu.org>
9930 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9931 * fixinc/fixincl.x: Regenerate.
9932 * fixinc/tests/base/testing.h: Add testcase.
9934 2000-07-10 Richard Henderson <rth@cygnus.com>
9936 * config/ia64/ia64.c (got_symbolic_operand): New.
9937 (symbolic_operand, move_operand): Revert 0701 change.
9938 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9939 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9940 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9941 split the offset into a 14-bit low part instead of a 13-bit low part.
9942 (load_fptr): Mark the mem as unchanging.
9943 (load_symptr): Use got_symbolic_operand.
9945 2000-07-10 Nick Clifton <nickc@cygnus.com>
9947 * libgcc2.c (next_stack_level): Cast result of computation to
9948 (void **) so that the assignment does not generate a warning.
9950 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9952 * flags.h : Add new variable flag_single_precision_constant.
9953 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9954 (flag_single_precision_constant): New.
9955 * c-lex.c (yylex): Convert floating point constant to single
9957 * invoke.texi : Add documentation for this new option.
9959 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9961 * diagnostic.c (output_octal): Second parameter is unsigned.
9962 (output_long_octal): Likewise.
9963 (output_hexadecimal): Likewise.
9964 (output_long_hexadecimal): Likewise.
9965 (output_format): Adjust arguments extraction. Tweak.
9966 (output_verbatim, verbatim): End variable argument list.
9967 (report_diagnostic): Improve documentation.
9969 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9971 * c-common.h (build_stmt): Declare.
9972 (build_continue_stmt): Likewise.
9973 (build_break_stmt): Likewise.
9974 (build_return_stmt): Likewise.
9976 * c-decl.c (do_case): Rewrite to do what previously done in
9979 * c-semantics.c (build_stmt): Define.
9980 (build_return_stmt): Likewise.
9981 (build_break_stmt): Likewise.
9982 (build_continue_stmt): Likewise.
9983 (build_case_label): Likewise.
9985 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9986 (CONTINUE): Likewise.
9989 (DEFAULT): Likewise.
9991 * c-parse.y: Regenerate.
9992 * c-pasre.c: Likewise.
9994 2000-07-09 Jason Merrill <jason@redhat.com>
9996 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9998 * tree.h (STRIP_NOPS): Check for error_mark_node.
9999 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10000 (dwarf2out_*): Remove duplicate declarations.
10002 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10003 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10005 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10007 * diagnostic.c (wrap_text): New function.
10008 (maybe_wrap_text): Likewise.
10009 (output_add_string): Use it.
10010 (output_format): Likewise.
10011 (count_error): Use verbatim instead of notice.
10012 (report_error_function): Likewise. Don't use plain fprintf.
10013 (finish_diagnostic): New function.
10014 (output_do_verbatim): Tweak. Commonalize functionalities in
10015 output_verbatim and verbatim.
10016 (output_verbatim): Adjust.
10017 (verbatim): Likewise.
10018 (report_diagnostic): Define.
10020 * diagnostic.h (report_diagnostic): Prototype.
10022 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10024 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10026 2000-07-09 Neil Booth <NeilB@earthling.net>
10028 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10029 IShspace, ISspace: Update.
10031 * cppinit.c: ISTABLE: Update.
10034 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10035 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10036 (skip_block_comment, skip_line_comment, parse_string,
10037 lex_line): Use is_vspace rather than IS_NEWLINE.
10038 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10039 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10041 (lex_next): Unconditionally stop if within a directive.
10042 Treat directives within macro invocations as directives
10043 (after parse_args emits error), not as the argument.
10045 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10047 * diagnostic.c (diagnostic_args): New macro.
10048 (diagnostic_msg): Likewise.
10049 (output_formatted_integer): Likewise.
10050 (output_state): New data type.
10051 (digit_buffer): Make global.
10052 (output_add_integer): Rename to output_decimal. Squeeze
10054 (output_long_decimal, output_unsigned_decimal,
10055 output_long_unsigned_decimal, output_octal, output_long_octal,
10056 output_hexadecimal, output_long_hexadecimal): New functions.
10057 (output_append_r): New function.
10058 (output_append): Tweak.
10059 (output_flush_on): Rename to output_to_stream.
10060 (output_format): Change prototype. Improve documentation. Handle
10061 more format specifiers.
10062 (build_location_prefix): Rename to context_as_prefix.
10063 (output_notice): Rename to output_do_printf.
10064 (output_printf): Tweak.
10065 (line_wrapper_printf): Likewise.
10066 (vline_wrapper_message_with_location): Adjust call to renamed
10068 (v_message_with_decl): Likewise.
10069 (default_print_error_function): Likewise.
10070 (save_output_state): New function.
10071 (restore_output_state): Likewise.
10072 (output_do_verbatim): Likewise.
10073 (output_verbatim): Define.
10074 (verbatim): Likewise.
10076 * diagnostic.h (printer_fn): Change return type from void to int.
10077 Improve documentation.
10078 (output_add_integer): Rename to output_decimal.
10079 (output_flush_on, output_format): Don't export.
10080 (output_verbatim, verbatim): Declare.
10082 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10084 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10085 Check whether c divides op1 exactly if operation is not
10088 2000-07-08 Richard Henderson <rth@cygnus.com>
10090 * final.c (final): Do not abort when reg-stack introduces
10093 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10095 * cpplib.h (struct cpp_name): Now struct cpp_string.
10096 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10097 CPP_HEADER_NAME): Change to type S.
10098 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10099 field, a cpp_hashnode *. All references to val.name updated
10100 to use val.str or val.node as appropriate.
10101 (struct cpp_reader): Add spec_nodes field.
10102 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10104 * cpphash.h (struct spec_nodes): New.
10105 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10106 val.str. All references to 'spelling > SPELL_NONE' updated to
10109 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10110 pfile->buffer->inc are not NULL before dereferencing them.
10112 * cpplex.c (parse_name): Take a pointer to the current token,
10113 plus current position and limit as args; return the new
10114 position; don't copy the text of a name into the string
10115 buffer, instead call cpp_lookup and store the node pointer.
10116 If extending a token, copy out the text of the old into a
10117 scratch buffer, append the new, look that up and store the new
10118 node pointer. Inline.
10119 (maybe_paste_with_next): If the result of paste is a NAME,
10120 then look up the pasted text and store its node pointer.
10121 (lex_line): Adjust for new parse_name interface.
10122 Check for L"str", L'str' using spec_nodes->n_L.
10123 (spell_token): SPELL_IDENT tokens have their spelling in
10124 val.node->name. Handle SPELL_STRING tokens that don't have
10126 (_cpp_expand_name_space,
10127 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10128 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10129 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10130 return 1=equal 0=not, not a tristate.
10132 * cpphash.c (var_args_str): Delete.
10133 (find_param): Compare node fields directly.
10134 (is__va_args__): Use CPP_PEDANTIC. Just compare
10135 token->val.node with spec_nodes->n__VA_ARGS__.
10136 (dump_funlike_macro): Don't use var_args_str.
10138 * cpplib.c (_cpp_check_directive): Just walk through
10139 spec_nodes->dirs comparing pointers.
10140 (get_define_node, do_pragma_poison, detect_if_not_defined,
10141 parse_ifdef): The identifier has already been looked up.
10142 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10144 (do_if): Only call detect_if_not_defined at beginning of file.
10145 (_cpp_parse_assertion): Only copy string pointers for
10146 SPELL_STRING tokens.
10147 (pragma_dispatch): Take a node pointer and examine its name
10149 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10151 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10153 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10154 reverse order from the corresponding _cpp_init_* routines.
10156 * cppexp.c (parse_number, parse_charconst, parse_defined,
10157 lex): Check val.node->type instead of calling cpp_defined.
10158 Use spec_nodes entries where appropriate.
10160 * fix-header.c, scan-decls.c: Update for interface changes.
10162 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10164 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10165 emitting aux_truncdfsf2.
10167 2000-07-03 Donn Terry (donnte@microsoft.com)
10169 * cppinit.c (print_help): split overlong line into ISO C89
10172 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10174 * cppexp.c: Update all code for new lexer interface.
10175 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10176 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10177 * cpplex.c (token_names): Trim leading CPP_ from names; make
10178 the strings unsigned.
10179 (_cpp_spell_operator): New.
10180 (is_macro_disabled): Disable all macros if rescanning
10182 (_cpp_get_directive_token): Remove.
10184 * cppinit.c: Don't set no_macro_expand.
10185 * cpplib.c (read_line_number, do_line): Check only for EOF,
10187 * cpphash.h: Update prototypes.
10188 * cpplib.h (CPP_VSPACE): Remove.
10189 (struct cpp_reader): Remove no_macro_expand.
10191 2000-07-08 Neil Booth <NeilB@earthling.net>
10193 * cpphash.c (is__va_args__): New function.
10194 (count_params): Fix line reported in error messages. Use
10195 is__va_args__. Don't return ')' on error. Flag GNU style
10196 rest args macro definitions.
10197 (parse_define): Check macro name is not __VA_ARGS__.
10198 (save_expansion): Check identifier in non-varargs-macro is
10199 not __VA_ARGS__. Don't flag GNU_VARARGS.
10200 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10201 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10202 than per-token GNU_VARARGS.
10203 * cpplib.h (GNU_VARARGS): Remove.
10204 (GNU_REST_ARGS): New.
10206 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10208 * i386.md (call_pop, call, call_value_pop): Do not set
10209 current_function_uses_pic_offset_table for calls to static
10210 functions or indirect calls.
10212 2000-07-07 Jim Wilson <wilson@cygnus.com>
10214 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10215 is_predicate_reg, then take max write_count of register pair.
10217 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10219 * tradcpp.c (main): Rename label `include' to `add_include' to
10220 avoid conflicts with variable `include' in traditional C.
10222 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10224 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10226 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10228 * sibcall.c (uses_addressof): Add INMEM argument, check for
10229 current_function_internal_arg_pointer outside of MEM rtxs in addition
10231 (sequence_uses_addressof): Update caller.
10233 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10235 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10238 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10240 * system.h (UNION_INIT_ZERO): New macro for initializing union
10241 members in structs.
10243 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10245 2000-07-07 Neil Booth <NeilB@earthling.net>
10247 * cpp.texi: Update.
10249 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10251 * final.c (final): Detect out of bounds array access to
10252 the insn_lengths array.
10254 2000-07-07 Kazu Hirata <kazu@hxi.com>
10256 * fold-const.c (fold): Fix a comment typo.
10258 2000-07-07 Neil Booth <NeilB@earthling.net>
10260 * cpp.texi: Update to new lexer.
10262 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10264 * tradcpp.c: New file.
10265 * tradcif.y: New file.
10266 * tradcif.c: New generated file.
10268 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10269 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10270 dependencies of C. Install tradcpp from install-common, in
10273 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10275 * cppinit.c: Include cppdefault.h. Refer to
10276 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10277 to GCC_INCLUDE_DIR and its length.
10278 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10279 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10280 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10282 (include_defaults_array): Move to cppdefault.c.
10284 * cppdefault.h: New file.
10285 * cppdefault.c: New file.
10287 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10288 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10289 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10292 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10294 * reload.c (push_reload): When seeing if can reuse a register,
10295 check extra registers against widest of INMODE and OUTMODE.
10297 2000-07-06 Neil Booth <NeilB@earthling.net>
10299 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10300 based on full length of predicate.
10302 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10304 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10305 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10307 2000-07-05 Kazu Hirata <kazu@hxi.com>
10309 * h8300-proto.h: Fix formatting.
10310 * h8300.c: Likewise.
10311 * h8300.h: Likewise.
10313 2000-07-05 Jim Wilson <wilson@cygnus.com>
10315 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10318 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10320 * invoke.texi: Fix minor typos
10321 * md.texi: Fix minor typos
10323 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10325 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10327 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10329 * cpplex.c: Don't include sys/mman.h.
10330 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10332 * cpplib.c: Include sys/mman.h and obstack.h.
10333 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10335 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10336 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10337 bother freeing if stack entries (they will be freed with their buffer).
10338 (do_endif): Free if stack entries from the buffer obstack.
10339 (push_conditional): Allocate if stack entries from the buffer obstack.
10341 (find_answer): Rename to _cpp_find_answer.
10342 (do_assert, do_unassert): Update.
10344 * cpphash.h: Update prototypes.
10345 (xobnew): New convenience macro.
10346 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10348 (struct cpp_hashnode): Remove disabled field.
10350 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10351 (report_missing_guard): Moved to cppfiles.c.
10352 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10354 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10355 cpp_cleanup_includes. Don't destroy hashtab or
10356 all_include_files here.
10357 (cpp_finish): Use _cpp_report_missing_guards.
10359 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10360 (_cpp_init_include_table): Rename _cpp_init_includes.
10361 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10363 * cppexp.c (parse_assertion): Update for new name of
10366 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10368 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10370 * cpplib.c (do_ident): s/VSPACE/EOF/
10372 2000-07-05 Neil Booth <NeilB@earthling.net>
10374 * cpplex.c: Fix trigraph replacement within strings.
10376 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10378 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10380 * xcoffout.c (assign_type_number): Constify.
10381 (xcoffout_source_file): Add static prototype. Don't needlessly
10382 cast away const-ness.
10384 2000-07-04 Jason Merrill <jason@redhat.com>
10386 * frame.h (frame_state): Move base_offset to end.
10388 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10390 * calls.c (emit_library_call_value_1): Revert previous change.
10392 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10394 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10395 (recognized_extern, recognized_function, read_scan_file):
10396 Update for new scheme.
10397 (check_protection): It's still a multiple include guard even
10398 if it doesn't always trigger.
10399 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10401 * scan.h: Declare struct cpp_token. Update prototypes.
10403 2000-07-03 Neil Booth <neilb@earthling.net>
10404 Zack Weinberg <zack@wolery.cumb.org>
10406 Complete overhaul of the lexer and macro expander.
10408 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10409 arg, arglist, argdata, reflist, collect_objlike_expansion,
10410 collect_funlike_expansion, collect_params,
10411 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10412 unsafe_chars, macarg, compare_defs, special_symbol,
10413 scan_arguments, stringify, funlike_macroexpand,
10414 _cpp_quote_string, monthnames): Delete.
10415 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10416 _cpp_create_definition, _cpp_dump_definition,
10417 dump_hash_helper): Adjust.
10418 (find_param, count_params, parse_define, var_args_str,
10419 check_macro_redefinition, save_expansion): New.
10421 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10422 parse_string, output_line_command, trigraph_replace,
10423 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10424 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10425 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10426 _cpp_skip_rest_of_line): Modify.
10428 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10429 find_position, null_warning, bump_column, expand_name_space,
10430 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10431 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10432 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10433 _cpp_prescan): Delete.
10435 (dump_param_spelling, process_directive, lex_next,
10436 is_macro_disabled, stringify_arg, expand_context_stack,
10437 output_token, make_string_token, alloc_number_token,
10438 special_symbol, duplicate_token, maybe_paste_with_next,
10439 can_paste, prevent_macro_expansion, restore_macro_expansion,
10440 get_temp_token, release_temp_tokens, quote_string,
10441 token_names, token_spellings, _cpp_expand_name_space,
10442 _cpp_glue_header_name, _cpp_reserve_name_space,
10443 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10444 placemarker_token, eof_token, cpp_context, macro_args,
10445 get_raw_token, parse_arg, parse_args, save_token,
10446 push_arg_context, push_macro_context, pop_context,
10447 do_pop_context, free_macro_args, _cpp_get_line,
10448 _cpp_run_directive): New.
10450 * cpplib.c (validate_else, parse_include, push_conditional,
10451 pass_thru_directive, read_line_number, parse_ifdef,
10452 detect_if_not_defined, _cpp_check_directive, do_define,
10453 do_undef, do_include, do_import, do_include_next, do_error,
10454 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10455 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10456 do_pragma_poison, do_pragma_system_header,
10457 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10458 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10459 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10460 cpp_defined): Update for new scheme.
10461 (strtoul_for_line, get_define_node, dump_macro_name,
10462 _cpp_check_linemarker, _cpp_parse_assertion): New.
10463 (_cpp_handle_directive, do_pragma_default): Delete.
10465 * cpphash.h (struct predicate): Now struct answer.
10466 (enum spell_type, struct token_spelling, struct directive,
10467 directive_handler): New.
10468 Update prototypes. Remove unused macros.
10469 * cpplib.h: Update prototypes. Remove unused macros,
10470 structure definitions, and fields.
10472 * cpperror.c (print_containing_files, v_message): Adjust.
10473 * cppexp.c (parse_assertion, lex, parse_escape,
10474 _cpp_parse_expr): Adjust.
10475 * cppfiles.c (open_include_file, _cpp_execute_include,
10476 _cpp_compare_file_date, cpp_read_file, read_include_file):
10478 * cppinit.c (dump_special_to_buffer): Delete.
10479 (append_include_chain, merge_include_chains, cpp_reader_init,
10480 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10481 cpp_finish, handle_option, print_help): Adjust.
10482 * cppmain.c (main): Adjust.
10484 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10486 * cppspec.c (lang_specific_driver): Use double quotes in error
10489 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10491 * calls.c (emit_library_call_value_1): Use valreg instead
10492 of hard_libcall_value.
10494 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10496 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10497 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10498 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10506 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10507 mode instead of wider_mode is being used.
10509 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10511 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10512 of 'r'. Use q_regs_operand.
10513 (andsi_1+2): Use q_regs_operand.
10515 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10517 * builtins.c (get_memory_rtx): Always put into alias set 0.
10519 2000-07-03 Nick Clifton <nickc@cygnus.com>
10521 * config/arm/arm.md: Fix post increment and pre increment
10522 peepholes so that they do not generate UNPREDICATBLE opcodes.
10523 (ie ones where the increment clobbers the source/destination).
10525 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10527 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10528 change too big for -mtiny-stack" a warning, if larger than 63.
10529 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10530 always safe to use on possible future devices.
10531 (function_prologue): Write SPH before SPL, for consistency.
10532 If interrupt_func_p true, we know we have enabled interrupts.
10533 (avr_num_arg_regs): New function. Round up to even number of
10534 bytes if no -mpack-args or if calling a libgcc function.
10535 (function_arg, function_arg_advance): Use it.
10536 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10537 Output "movw" if available.
10538 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10539 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10540 (asm_output_section_name): Add blanks for consistent output.
10541 (encode_section_info): Set TREE_READONLY for progmem data to
10542 avoid gas warnings about changed section attributes.
10543 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10544 even numbered registers on devices with "movw".
10545 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10546 (TARGET_SWITCHES): Mark help strings for translation.
10547 Add new -mpack-args and -menhanced switches.
10548 (TARGET_OPTIONS): Mark help strings for translation.
10549 (progmem_section): Add section attributes.
10550 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10551 Output "movw" if available.
10552 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10554 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10555 call convention (arguments aligned on even registers).
10556 (_cleanup, _exit): Make weak symbols libc can override.
10558 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10560 * fp-bit.h: New file.
10562 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10563 Comment #endif statements.
10564 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10566 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10568 * gcse.c (compute_pre_data): Compute ae_kill using other local
10569 properties instead of calling compute_ae_kill.
10571 * alias.c (init_alias_analysis): Do not call
10572 prologue_epilogue_contains until after reload has completed.
10574 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10576 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10577 (genrtl_finish_compound_stmt): Likewise.
10578 (genrtl_compound_stmt): Change to return void.
10580 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10581 move code from here to ...
10582 (genrtl_compound_stmt): ... here.
10583 (genrtl_finish_compound_stmt): Remove.
10584 (expand_stmt): Add comment.
10586 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10588 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10591 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10593 * cpplib.h (struct cpp_reader): New field include_depth.
10594 (struct cpp_printer): Rename last_bsd to last_id.
10595 * cppfiles.c (read_include_file): Bump include_depth.
10596 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10597 (output_line_command): Output correct #line if a header
10598 is including itself and is not protected against multiple inclusion.
10599 Use include_depth instead of buffer_stack_depth, last_id instead of
10601 * cppinit.c (cpp_start_read): Initialize last_id instead of
10604 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10606 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10607 (c-semantics.o): New target.
10609 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10610 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10611 (genrtl_clear_out_block): Likewise.
10612 (genrtl_goto_stmt): Likewise.
10613 (genrtl_expr_stmt): Likewise.
10614 (genrtl_decl_stmt): Likewise.
10615 (genrtl_if_stmt): Likewise.
10616 (genrtl_while_stmt): Likewise.
10617 (genrtl_do_stmt): Likewise.
10618 (genrtl_return_stmt): Likewise.
10619 (genrtl_for_stmt): Likewise.
10620 (genrtl_break_stmt): Likewise.
10621 (genrtl_continue_stmt): Likewise.
10622 (genrtl_scope_stmt): Likewise.
10623 (genrtl_switch_stmt): Likewise.
10624 (genrtl_case_label): Likewise.
10625 (genrtl_begin_compound_stmt): Likewise.
10626 (gerntl_finish_compound_stmt): Likewise.
10627 (genrtl_compound_stmt): Likewise.
10628 (genrtl_asm_stmt): Likewise.
10629 (genrtl_decl_cleanup): Likewise.
10630 (DECL_ANON_UNION_ELEMS): Likewise.
10631 (emit_local_var): Likewise.
10632 (make_rtl_for_local_static): Likewise.
10633 (expand_cond): Likewise.
10634 (expand_stmt): Likewise.
10635 (c_expand_return): Likewise.
10636 (c_expand_start_case): Likewise.
10637 (do_case): Likewise.
10638 (COMPOUND_STMT_NO_SCOPE): Likewise.
10639 (c_expand_asm_operands): Likewise.
10640 (NEW_FOR_SCOPE_P): New macro.
10641 (expand_expr_stmt_fn): New type.
10643 (set_current_function_name_declared): Likewise.
10644 (current_function_name_declared): Likewise.
10645 (lang_expand_stmt): Likewise.
10646 (stmts_are_full_exprs_p): Likewise.
10647 (anon_aggr_type_p): Likewise.
10648 (lang_expand_expr_stmt): Likewise.
10649 (build_case_label): Likewise.
10651 * c-decl.c (lang_expand_expr_stmt): Initialize.
10652 (stmts_are_full_exprs_p): Define.
10653 (current_function_name_declared): Likewise.
10654 (do_case): Likewise.
10655 (lang_expand_stmt): Likewise.
10656 (set_current_function_name_declared): Likewise.
10657 (anon_aggr_type_p): Likewise.
10659 * c-semantics.c: New file.
10660 (expand_cond): Moved from cp/semantics.c.
10661 (genrtl_do_pushlevel): Likewise.
10662 (genrtl_clear_out_block): Likewise.
10663 (genrtl_goto_stmt): Likewise.
10664 (genrtl_expr_stmt): Likewise.
10665 (genrtl_decl_stmt): Likewise.
10666 (genrtl_if_stmt): Likewise.
10667 (genrtl_while_stmt): Likewise.
10668 (genrtl_do_stmt): Likewise.
10669 (genrtl_return_stmt): Likewise.
10670 (genrtl_for_stmt): Likewise.
10671 (genrtl_break_stmt): Likewise.
10672 (genrtl_continue_stmt): Likewise.
10673 (genrtl_scope_stmt): Likewise.
10674 (genrtl_switch_stmt): Likewise.
10675 (genrtl_case_label): Likewise.
10676 (genrtl_begin_compound_stmt): Likewise.
10677 (genrtl_finish_compound_stmt): Likewise.
10678 (genrtl_compound_stmt): Likewise.
10679 (genrtl_asm_stmt): Likewise.
10680 (genrtl_decl_cleanup): Likewise.
10681 (make_rtl_for_local_static): Moved from cp/decl.c.
10682 (emit_local_var): Likewise.
10683 (expand_stmt): Define.
10685 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10686 (c_expand_return): Likewise.
10687 (c_expand_start_case): Likewise.
10689 2000-07-01 Richard Henderson <rth@cygnus.com>
10691 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10692 with the low 13 bits set.
10693 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10694 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10695 of the low 13 bits into a CONST plus an adddi3.
10696 (load_symptr): Set RTX_UNCHANGING_P.
10698 See ChangeLog.3 for earlier changes.
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