1 2000-11-06 Neil Booth <neilb@earthling.net>
3 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
6 2000-11-06 Neil Booth <neilb@earthling.net>
8 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
9 tok.val.arg_no as appropriate.
10 * cppexp.c (lex): Similarly.
11 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
12 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
13 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
14 cpp_macro_definition): Similarly.
15 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
17 2000-11-06 Jakub Jelinek <jakub@redhat.com>
19 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
20 operands[1] is constant, calculate the sum and generate movdi.
21 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
22 (subsi3): Use SImode in call to arith_4096_operand.
24 2000-11-06 Jakub Jelinek <jakub@redhat.com>
26 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
27 adjust %o1, not %o0 if the return type is large structure.
29 2000-11-06 Jakub Jelinek <jakub@redhat.com>
31 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
32 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
34 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
36 * expmed.c (expand_divmod): For signed divide by 2, prefer
37 a branch and fewer shifts if branches are very cheap.
39 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
41 * Makefile.in: Remove all targets related to building
42 distributions and diffs, or INSTALL.
43 * INSTALL, install1.texi: Remove.
44 * configure.in: Remove mention of distdir.
45 * configure: Regenerate.
46 * objc/Make-lang.in: Remove mention of distdir.
48 2000-11-04 Neil Booth <neilb@earthling.net>
50 * cpp.texi: Update for _Pragma.
52 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
54 * gcc.texi (Contributing): Update URL for projects web page.
56 2000-11-04 Neil Booth <neilb@earthling.net>
58 * cpplex.c (parse_string): Don't allow multiline strings in
59 #include family directives.
61 2000-11-04 Neil Booth <neilb@earthling.net>
63 * cpplib.c (do_line): Only warn pedantically if not reading
66 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
68 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
71 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
73 * builtins.c (expand_builtin_strlen): Remove unused mode
75 * gcc.c (process_command): Remove unused variable.
76 * fold-const.c: Include expr.h.
77 * recog.c: Include reload.h.
78 * Makefile.in (recog.o, fold-const.o): Update deps.
80 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
82 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
84 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
86 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
88 (STARTFILE_SPEC): Likewise.
89 (LINK_SPEC): Likewise.
91 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
94 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
95 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
97 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
99 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
100 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
101 perm_calloc, get_identifier, maybe_get_identifier,
102 real_value_from_int_cst, simple_cst_equal), varasm.c
103 (assemble_name, assemble_real, immed_real_const_1,
104 compare_constant_1, decode_rtx_const, output_constant_pool): Use
105 strrchr () instead of rindex (). Use memcmp () instead of bcmp
106 (). Use memcpy () instead of bcopy (). Use memset () instead of
109 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
111 * cppfiles.c (open_file): If already read, then don't reopen.
112 Immediately close an empty file.
114 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
116 * expr.h (fold_builtin): Move declaration...
117 * tree.h (fold_builtin): ... here.
119 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
121 * flow.c (verify_local_live_at_start): Allow hard regs to die.
123 2000-11-02 Neil Booth <neilb@earthling.net>
126 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
127 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
128 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
129 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
130 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
131 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
132 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
133 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
134 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
135 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
136 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
137 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
138 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
139 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
140 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
141 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
142 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
143 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
144 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
145 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
146 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
147 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
148 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
149 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
150 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
151 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
152 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
153 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
154 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
155 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
156 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
157 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
158 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
159 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
160 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
161 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
162 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
163 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
164 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
165 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
166 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
167 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
168 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
169 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
170 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
171 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
172 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
173 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
174 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
175 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
176 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
177 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
178 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
179 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
180 vax/vaxv.h, vax/vms.h, we32k/we32k.h
182 Replace -A() with -A=, the new assertion syntax.
184 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
186 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
188 In REG_DEAD handling: When handling parts of multi-hard-reg hard
189 registers, increment the loop counter by the size of the parts;
190 use recursion to handle individual parts.
192 2000-11-02 Neil Booth <neilb@earthling.net>
194 * configure.in: Make integrated CPP the default.
195 * configure: Regenerate.
197 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
199 * reload.c (find_equiv_reg): Test all hard registers for membership
200 in the requested class.
202 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
204 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
205 process_command, main), gcov.c (open_files, output_data), tlink.c
206 (frob_extension, scan_linker_output), toplev.c
207 (file_name_nondirectory): Use strchr () and strrchr () instead of
208 index () and rindex ().
210 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
212 * c-common.c (get_flag_spec, check_format_info_main,
213 check_format_types): Use strchr () instead of index (). Compare
214 against error_mark_node instead of comparing the TREE_CODE against
217 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
221 * c-lex.c (init_c_lex): Update cpp_start_read call.
222 (cb_ident): Update for new callback prototype.
223 (cb_def_pragma): Update for new cpp_get_token prototype.
224 (c_lex): Similarly. Use cpp_get_line.
226 * c-parse.in (finish_parse): Update for new cpp_finish
229 * cp/lex.c (finish_parse): Similarly.
231 2000-11-01 Geoff Keating <geoffk@cygnus.com>
233 * machmode.def: Add V16QImode.
235 2000-11-01 Richard Henderson <rth@redhat.com>
237 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
238 from rtl_for_decl_location.
239 (add_location_or_const_value_attribute): Likewise.
241 2000-11-01 Neil Booth <neilb@earthling.net>
243 * cpplib.c (run_directive): Use correct line number for output
244 of _Pragma. Remember any in-progress directive.
246 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
248 2000-11-01 Richard Henderson <rth@redhat.com>
250 * stmt.c (expand_start_null_loop): Set continue_label.
252 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
254 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
255 (expand_builtin_constant_p): Move parts of the code into
256 fold_builtin_constant_p.
257 (expand_builtin_strlen): Move parts of the code into fold_builtin.
258 * expr.h (fold_builtin): Declare.
259 * fold-const.c (fold): Handle builtin calls.
261 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
263 2000-11-01 Richard Henderson <rth@redhat.com>
265 * stmt.c (expand_start_null_loop): New.
266 (expand_end_null_loop): New.
267 * c-semantics.c (genrtl_do_stmt): Use them.
268 * tree.h: Declare them.
270 2000-11-01 Richard Henderson <rth@redhat.com>
272 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
274 2000-11-01 Neil Booth <neilb@earthling.net>
276 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
277 * cp/spew.c: Similarly.
278 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
279 * cppmacro.c (stringify_arg): Similarly.
280 * cpplib.h (CPP_BACKSLASH): Delete.
282 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * builtins.c (expand_builtin_strstr): New function.
285 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
287 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
289 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
292 2000-10-31 Richard Henderson <rth@redhat.com>
294 * config/i386/i386.c (fcmov_comparison_operator): Check for
295 CCFPmode or CCFPUmode instead of CCmode.
296 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
297 unordered operations as well.
299 2000-10-31 Richard Henderson <rth@redhat.com>
301 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
302 of integer_zero_node.
304 2000-10-31 Richard Henderson <rth@redhat.com>
306 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
308 2000-10-31 Nick Clifton <nickc@redhat.com>
310 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
311 -fdata-sections to override the section attribute of a DECL.
313 2000-10-31 Chris Demetriou <cgd@sibyte.com>
315 * libgcc2.c (__shtab): Remove __shtab variable.
316 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
317 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
320 2000-10-31 Jim Wilson <wilson@redhat.com>
322 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
323 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
324 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
325 instead of ASM_OUTPUT_INTERNAL_LABEL.
326 (dwarf2out_end_block, dwarf2out_label): Likewise.
327 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
328 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
330 2000-10-31 Richard Henderson <rth@redhat.com>
332 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
333 (size_of_locs): Set it.
334 (output_loc_operands): Use it to compute branch displacement.
335 (int_loc_descriptor): New.
336 (mem_loc_descriptor): Dereference memory in the proper size.
337 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
338 (loc_descriptor_from_tree): New.
339 (rtl_for_decl_location): Break out from ...
340 (add_location_or_const_value_attribute): ... here.
341 (add_bound_info): Use loc_descriptor_from_tree.
343 2000-10-31 Neil Booth <neilb@earthling.net>
345 * cpp.texi: Update for new command line assertion syntax.
346 * cpplib.c (cpp_define): Simplify a bit.
347 (cpp_assert, cpp_unassert): Use handle_assertion.
348 (handle_assertion): New function; accept new command line
350 * testsuite/gcc.dg/cpp/assert3.c: New tests.
352 2000-10-31 Neil Booth <neilb@earthling.net>
354 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
355 undefined. Remove #ifdef check.
356 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
357 Define STDC_0_IN_SYSTEM_HEADERS to 1.
359 2000-10-31 Jan Hubicka <jh@suse.cz>
360 Jakub Jelinek <jakub@redhat.com>
362 * config/i386/i386.h: Clarify CCNOmode description in comment.
363 (EXTRA_CC_MODES): Remove CCRCmode.
364 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
365 (put_condition_code, ix86_match_ccmode): Likewise.
366 (ix86_cc_mode): Likewise. Fix comment.
367 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
368 * config/i386/i386.md: Add unspec 12 description.
369 (adddi3 split): Use unspec 12 instead of CCRCmode.
370 (addsi3_carry_rc): Remove.
371 (addsi3_cc, addqi3_cc): New patterns.
372 (addsi_3): Swap operands, match CCZmode.
373 (addsi_4): Rewritten.
374 (addsi_5): Renamed from addsi_6.
376 (addhi_3): Swap operands, match CCZmode.
377 (addhi_4): Rewritten.
378 (addhi_5): Renamed from addhi_6.
380 (addqi_3): Swap operands, match CCZmode.
381 (addqi_4): Rewritten.
382 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
383 (subsi3_carry_rc): Removed.
384 (iorqi_3): Use =q constraint for clobber.
385 (xorqi_cc_2): Likewise.
386 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
387 (x86_movsicc_0_m1_rc): Removed.
388 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
390 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
392 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
393 and decrement of complex types.
395 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
397 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
398 builtin fputs, ensure we still evaluate the stream in case it
401 2000-10-31 Jakub Jelinek <jakub@redhat.com>
403 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
406 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
408 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
409 (fp_extended_operand, emit_fpscr_use): Likewise.
410 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
411 (fpul_operand): New function.
412 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
413 fp_extended_operand. Add fpul_operand.
414 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
415 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
416 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
417 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
418 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
419 (divdf3_i): Likewise.
420 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
421 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
422 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
423 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
424 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
426 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
428 * config/i386/i386.c (ix86_init_builtins): Correct return type
429 building v4hi_ftype_v4hi_int_int tree node.
430 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
431 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
433 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
435 (mmx__uavgv8qi3): Correct insn mnemonic.
436 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
437 (mmx_punpckhwd): Correct insn mnemonic.
438 (mmx_punpckhdq): Likewise.
439 (mmx_punpcklwd): Likewise.
440 (mmx_punpckldq): Likewise.
441 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
442 Renumber case labels to match the _mm_prefetch constants defined in
445 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
446 if the splitter didn't emit new insns.
447 Make sure we call cleanup_subreg_operands even when splitting the last
448 insn in a basic block.
450 * invoke.texi (Debugging Options): Describe -do.
451 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
452 (dump_file): Likewise.
453 (rest_of_compilation): Split .greg dump into .greg and .postreload.
455 2000-10-30 Neil Booth <neilb@earthling.net>
457 * cppfiles.c (stack_include_file): Check for stacked contexts
459 * cpphash.h (_cpp_do__Pragma): New prototype.
460 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
462 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
463 escaped newlines if !(buffer->from_stage3).
464 (_cpp_lex_token): Warn about missing newlines iff
465 !buffer->from_stage3.
467 * cpplib.c (get__Pragma_string, destringize,
468 _cpp_do__Pragma): New functions.
469 (run_directive): Set output_line for _Pragma to avoid line
470 markers in output. Set from_stage3 and prevent macro expansion
471 for _Pragma and command-line options. Check buffer exhaustion.
472 (cpp_push_buffer): Don't check for stacked macro contexts, as
473 this is perfectly legitimate for _Pragma. Move the check to
474 stack_include_file instead. Set from_stage3 iff buffer is
477 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
478 unsigned. New boolean from_stage3.
479 (struct spec_nodes): Add n__Pragma.
481 * cppmacro.c (enter_macro_context): Flip sense of return value.
482 (_cpp_get_token): Handle _Pragma operator.
484 2000-10-30 Phil Edwards <pme@sources.redhat.com>
486 * gcc.texi: The C++ standard isn't "draft" anymore.
488 2000-10-30 Mark Mitchell <mark@codesourcery.com>
490 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
492 2000-10-29 Neil Booth <neilb@earthling.net>
494 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
496 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
498 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
499 fixinc/inclhack.def: Change comments mentioning C9X to refer to
502 * invoke.texi: Document that -V will only work for very similar
503 versions of driver and compiler.
505 2000-10-29 Neil Booth <neilb@earthling.net>
507 * cppmacro.c (_cpp_create_definition): Optimize the case of
508 a macro defined to itself.
510 2000-10-29 Neil Booth <neilb@earthling.net>
512 * cpplex.c (save_comment): Don't store new lines in C++ comments.
514 2000-10-29 Michael Hayes <mhayes@redhat.com>
516 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
518 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
520 * cpphash.c (cpp_forall_identifiers): Add context variable
521 for callback routine.
522 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
524 (main): Call cpp_forall_identifiers with null context.
525 * cpplib.h (cpp_forall_identifiers): Update prototype.
527 * cppmain.c: Make `parse_in' and `print' static.
529 2000-10-28 Alan Modra <alan@linuxcare.com.au>
531 * c-decl.c (finish_function): Clear c_function_name_declared_p.
533 2000-10-28 Richard Henderson <rth@redhat.com>
535 * regrename.c (scan_rtx_address): Frob action, not class,
536 when trying to disable optimization.
538 2000-10-28 Mark Mitchell <mark@codesourcery.com>
540 * c-semantics.c (make_rtl_for_local_static): Don't clobber
543 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
545 * configure.in: Determine and substitute gcc_version_full.
546 * configure: Regenerate.
547 * gccbug.in: Use it to give full version. Don't allow
550 2000-10-28 Richard Henderson <rth@redhat.com>
552 * recog.c (split_all_insns): Run cleanup_subreg_operands
555 * regrename.c (regrename_optimize): Verify that all registers of
556 a multiple register mode are available.
557 (scan_rtx_address): Accept the mode of the address; all callers
560 * cpplib.c (run_directive): Fix prototype.
562 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
564 * reload.c (find_reloads): Distinguish "wins" so that we know whether
565 a given operand won because of a matching constraint or not; then use
566 that information to compute goal_alternative_matched properly.
567 * reload1.c (choose_reload_regs): Never set reload_override_in for an
570 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
571 accurate value for MULT.
572 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
573 2% or > 98% before using static branch prediction bits.
575 2000-10-28 Neil Booth <neilb@earthling.net>
579 * cpplib.c (struct answer): New.
580 (struct if_stack): Use cpp_lexer_pos rather than line and col.
581 Rename cmacro mi_cmacro.
582 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
583 IN_I): New directive and flags.
584 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
585 parse_answer, parse_assertion, find_answer): New functions.
586 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
587 (lex_macro_node): New function to replace parse_ifdef and
590 (_cpp_handle_directive): New function, combines _cpp_check_directive
591 and _cpp_check_linemarker.
593 (do_define, do_undef, parse_include, do_include, do_import,
594 do_include_next, read_line_number, do_line, do_ident, do_pragma,
595 do_pragma_once, do_pragma_poison, do_pragma_dependency):
596 Update for new token getting interface.
598 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
599 : Update for new multiple-include optimisation technique.
600 (do_elif): Don't forget to invalidate controlling macros.
602 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
603 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
604 Functions to handle assertions with the new token interface.
605 (do_assert, do_unassert): Use them.
607 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
610 (_cpp_init_stacks): Register directive names. Don't register special
613 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
614 new position recording regime.
615 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
616 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
617 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
618 (cpp_type2name): Move to cpplex.c.
620 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
621 (parse_defined): Update to handle new multiple include optimisation
622 method. Remove poisoned identifier warning.
623 (parse_assertion, TYPE_NAME): Delete.
624 (lex): Update for multiple include optimisation, removal of
625 CPP_DEFINED, to use _cpp_test_assertion for assertions and
627 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
628 (op_as_text): New function, to wrap cpp_token_as_text.
630 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
631 Update for MI optimisation.
632 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
633 segfault on diagnostic.
634 (_cpp_compare_file_date): Take a token rather than 3 args.
635 (cpp_read_file): Work correctly for zero-length files.
637 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
638 _cpp_init_hashtable and _cpp_cleanup_hashtable.
639 (cpp_lookup): Place identifiers at front of identifier pool
640 for _cpp_lookup_with_hash.
641 (_cpp_lookup_with_hash): Require identifiers to be at the front of
642 the identifier pool. Commit the memory if not already in the
645 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
646 Initialise various members of cpp_reader, memory pools, and the
648 (cpp_printer_init): Delete.
649 (cpp_cleanup): Update.
650 (struct builtin, builtin_array, initialize_builtins): Update for new
651 hashnode definition and builtin handling.
652 (cpp_start_read, cpp_finish): Don't take or initialise a
655 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
656 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
657 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
658 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
659 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
660 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
661 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
662 struct toklist, struct cpp_context, struct specnodes,
663 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
664 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
665 enum builtin_type, cpp_can_paste): New.
666 (struct cpp_token): Delete line and col members.
667 (struct cpp_buffer): New member output_lineno.
668 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
669 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
670 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
671 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
672 base_context, context, directive, mi_state, mi_if_not_defined,
673 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
674 mlstring_pos, macro_buffer, macro_buffer_len.
675 Delete members mls_line, mls_column, token_list, potential_control_macro,
676 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
677 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
678 save_parameter_spellings, need_newline, .
679 Change type of date, time and spec_nodes members.
680 Change prototypes for include and ident callbacks.
681 (struct cpp_hashnode): Change type of name. Remove union members
682 expansion and code. Add members macro, operator and builtin.
684 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
685 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
686 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
687 cpp_stop_lookahead): New prototypes.
688 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
690 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
693 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
694 ufputs): Move to cpplib.h.
695 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
696 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
697 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
698 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
699 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
700 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
701 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
702 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
703 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
704 _cpp_parse_assertion, _cpp_find_answer): Delete.
705 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
706 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
707 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
708 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
709 _cpp_handle_directive, DSC): New.
710 (struct include_file): New member defined.
712 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
713 _cpp_compare_file_date): Update.
714 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
715 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
716 _cpp_cleanup_hashtable.
718 * Makefile.in: Remove cppoutput.c.
720 * cppoutput.c: Delete
722 * fixheader.c (read_scan_file): Update for new cpp_get_token
724 (recognized_function): New argument LINE.
726 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
727 new cpp_get_token prototype.
729 * scan.h (recognized_function): Update prototype.
731 * po/POTFILES.in: Remove cppoutput.c.
733 2000-10-27 Mark Mitchell <mark@codesourcery.com>
735 * c-typeck.c (check_init_type_bitfields): Remove.
736 (constructor_incremental): Likewise.
737 (struct constructor_stack): Remove incremental bit.
738 (struct initializer_stack): Likewise.
739 (start_init): Don't play with constructor_incremental.
740 (finish_init): Likewise.
741 (really_start_incremental_init): Likewise.
742 (push_init_level): Likewise.
743 (pop_init_level): Likewise.
744 (output_init_level): Likewise.
745 (output_pending_init_elements): Likewise.
747 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
749 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
750 Improve error messages. Correct parsing of
751 #pragma pack(pop [,id]). Do not check the user-supplied
752 alignment if we're popping.
754 * gcc.dg/pack-test-1.c: New test case.
755 * gcc.dg/pack-test-2.c: New test case.
756 * gcc.dg/pack-test-1.h: New file.
758 2000-10-27 Neil Booth <neilb@earthling.net>
762 2000-10-27 Kelley Cook <kelley.cook@home.com>
764 * invoke.texi: Document -mintel-syntax
766 2000-10-27 Richard Henderson <rth@redhat.com>
768 * invoke.texi: Document -frename-registers. Add it to -O3.
769 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
770 (enum dump_file_index, dump_file): Update order.
771 (main): Set flag_rename_registers at -O3.
773 2000-10-27 Richard Henderson <rth@redhat.com>
775 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
776 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
777 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
778 * config/alpha/alpha.md (call_osf_1): Use it.
779 (call_value_osf_1): Likewise.
781 * config/ia64/ia64.c: Revert 10-23 patch.
782 (ia64_hard_regno_rename_ok): New.
783 * config/ia64/ia64-protos.h: Declare it.
784 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
786 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
787 Richard Henderson <rth@redhat.com>
789 * regrename.c: Rewrite to handle multi-register modes and
790 cond_exec instructions.
791 * Makefile.in (regrename.o): Update dependancies.
792 * recog.h (struct operand_alternative): Add is_address.
793 * recog.c (preprocess_constraints) [case 'p']: Set it.
795 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
797 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
798 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
799 top level. Kill oldstyle_subdirs. Do not include
800 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
801 $outputs. Do not run configure.lang from config.status.
802 Rearrange warning-flag logic to correspond to what the
803 makefile wants. Put special vax stage1 options in
804 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
805 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
806 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
807 switch is given, nothing otherwise.
808 * configure.lang: Delete.
810 * Makefile.in: Expunge all traces of extra_c_objs,
811 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
812 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
813 warning options via a three level scheme so that -pedantic and
814 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
815 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
816 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
817 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
818 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
819 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
820 generation rules. Wrap all rules that change the current
821 directory in parentheses; pmake doesn't spawn a new shell for
822 each command. Expunge all references to $(P). When one
823 command depends on another and they're run all at once, use &&
824 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
825 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
828 * objc/Make-lang.in: Wrap all rules that change the current
829 directory in parentheses. Expunge all references to $(P).
830 When one command depends on another and they're run all at
831 once, use && to separate them, not ;. Add OUTPUT_OPTION to
832 all object-file generation rules. Delete obsolete variables.
833 * objc/Makefile.in: Delete.
835 2000-10-27 Jakub Jelinek <jakub@redhat.com>
837 * calls.c (expand_call): If sibcall_failure is set during pass 1,
838 clear tail_call_insns as well.
840 2000-10-27 Nick Clifton <nickc@redhat.com>
842 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
845 2000-10-26 Richard Henderson <rth@redhat.com>
847 * calls.c (expand_call): Supress sibcall if we have a
848 BLKmode return in registers.
850 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
852 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
855 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
857 * tree.c (make_node, case 't'): Set alignment to that of
859 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
861 2000-10-25 Mark Mitchell <mark@codesourcery.com>
863 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
864 * configure.in (enable-libstdcxx-v3): Arrange to have
865 HAVE_LIBSTDCXX_V3 substituted into the output files.
867 2000-10-25 Richard Henderson <rth@redhat.com>
869 * recog.c (constrain_operands): Initialize which_alternative
870 before no alternatives early exit.
872 * cse.c (find_comparison_args): Check that we can reverse a
873 comparison if needed before accepting the substitution.
875 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
877 * simplify-rtx.c (simplify_relational_operation): Sign extend
878 low words before sign extending to high words.
880 2000-10-25 Nick Clifton <nickc@redhat.com>
882 * config/mcore/mcore.c: Include config.h before system.h.
884 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
886 * config/mcore/mcore.md (return): Force function epilogue to
887 always be generated to work around epilogue suppression bug in
890 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
892 * c-decl.c (grokdeclarator): Move warning for qualified void
893 return types with -pedantic to when the function type is
894 constructed. At -W, warn in general for qualified function return
895 types, except for volatile void.
896 * invoke.texi: Document this new warning at -W.
898 2000-10-25 Neil Booth <neilb@earthling.net>
900 * cpp.texi: Update with implementation-defined behavior and
903 2000-10-25 Jakub Jelinek <jakub@redhat.com>
905 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
906 incomplete type force it into alias set 0.
908 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
910 * alias.c: Include basic-block.h.
911 (loop_p): New function.
912 (mark_constant_function): Use it.
913 * Makefile.in (alias.o): Update dependencies.
915 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
917 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
920 2000-10-24 Jim Wilson <wilson@cygnus.com>
922 * expmed.c (store_bit_field): Move integer pun code down after
923 code that calls emit_move_insn for entire register move.
924 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
925 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
927 2000-10-24 Richard Henderson <rth@cygnus.com>
929 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
930 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
932 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
934 * gcse.c (cprop_insn): do not propagate constants into jump_insn
935 for machines with CC0 more than once.
937 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
939 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
940 pseudos just like memory.
942 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
944 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
945 when deleting libcall sequence collapsed to a single instruction.
947 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
949 * expr.c (do_store_flag): Don't crash if either side of a
950 comparison is error_mark_node.
952 2000-10-24 Jakub Jelinek <jakub@redhat.com>
954 * sibcall.c (purge_mem_unchanging_flag): New function.
955 (optimize_sibling_and_tail_recursive_calls): Call it.
957 2000-10-24 Philipp Thomas <pthomas@suse.de>
959 * Makefile.in (check-po): New target for doing checks in the po
960 subdir if all languages configured.
961 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
962 configure if NLS is enabled.
963 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
964 otherwise leave empty.
965 * configure: Regenerate.
967 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
969 * i386.c (print_operand): Handle new 'A' formatting code.
970 387 opcodes need suffixes even with -mintel-syntax.
971 Check for explicit size override (codes 'b', 'w' and 'k').
972 (print_operand_address): Check if register prefix is needed when
973 emitting `ds' segment override.
974 * i386.h: Add comment about new 'A' formatting code.
975 * i386.md (jump and call patterns): Emit absolute references using %A.
977 2000-10-23 Richard Henderson <rth@cygnus.com>
979 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
980 output registers as fixed.
981 (ia64_function_epilogue): Undo output fixation.
983 2000-10-23 Richard Henderson <rth@cygnus.com>
985 * config/alpha/alpha.md: Add names for all unnamed insns; use
986 define_insn_and_split in some obvious places.
988 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
989 (zero_extendqisi2, zero_extendqidi2): Likewise.
990 (zero_extendhisi2, zero_extendhidi2): Likewise.
991 (abs splitters): Fix match_scratch operand number.
992 (bcc_reverse): Swap pc & label instead of non-canonical compare.
994 2000-10-23 Jim Wilson <wilson@cygnus.com>
996 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
998 * ia64.md (cmpsi_adjusted): Use %r3.
999 (cmpdi_adjusted): Likewise.
1001 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1003 * config/i386/att.h (ASM_FILE_START): Define.
1005 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1007 * config/i386/linux.h (ASM_FILE_START): Define.
1009 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1011 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1012 since this (only) drags in a crt0.o reference that the .ld files
1015 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1017 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1018 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1019 reloads just like an RELOAD_FOR_OUTPUT would.
1021 * local-alloc.c (update_equiv_regs): Add an abort(). When
1022 deleting or moving insns, update reg_equiv[regno].init_insns.
1024 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1026 * c-tree.texi: Improve documentation for IF_STMTs and related
1027 conditional statements.
1029 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1031 * expr.c (do_preexpand_calls): Remove.
1032 (same_from_p): Don't use CALL_EXPR_RTL.
1033 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1034 (preexpand_calls): Remove.
1035 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1036 (unsave_expr_1): Likewise.
1037 * tree.def (CALL_EXPR): Give it only two slots.
1038 * tree.h (CALL_EXPR_RTL): Remove.
1040 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1042 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1043 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1046 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1048 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1049 adjust stack when unadjusted_alignment ends up as zero.
1051 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1053 * fixinc/genfixes: Remove EGCS reference.
1054 * install.texi: Remove EGCS reference.
1055 * INSTALL: Regenerate.
1057 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1059 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1061 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * diagnostic.c: Remove EGCS reference in comment.
1065 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1067 * loop.c (strength_reduce): Fix error in last change.
1069 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1071 * Makefile.in (SHLIB_NM_FLAGS): New.
1072 (libgcc.mk): Pass it.
1073 * mklibgcc.in (libgcc.map): Use it.
1075 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1076 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1078 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1082 * sparc.c (load_pic_register): Delete unused varaible.
1084 * libgcc2.c (__addvsi3): Delete unused variable.
1086 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1087 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1088 __negvdi2): Prototype.
1090 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1092 * toplev.c (display_target_options): Make static to match
1093 prototype. Delete empty declaration.
1095 2000-10-20 Tom Tromey <tromey@cygnus.com>
1097 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1098 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1100 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1102 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1104 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1105 a constant before comparing it; use tree_low_cst.
1106 * tree.c (save_expr): Set TREE_READONLY.
1107 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1108 (build, build1): Set TREE_READONLY if all operands are.
1109 (build_index_type): If upper bound is a negative number, lower
1110 bound is zero and sizetype is unsigned, use upper bound of one and
1113 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1115 * gcc.c (process_command, main): Use "because" instead of
1116 "since" in error messages.
1118 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1120 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1121 Don't use mode of field for record unless sizes are the same.
1122 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1123 previously added for Ada; also change to using host_integerp
1126 * loop.c (strength_reduce): Show when new register made for
1127 giv is known to be a pointer and its aligment if so and known.
1128 (loop_dump_aux): Show VERBOSE parameter unused.
1130 * gcse.c (set_hash_table_size): Now unsigned.
1131 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1132 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1133 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1134 (sdbout_end_epilogue): Remove variable NAME.
1135 * system.h (getopt): Add default definition.
1136 * config/alpha/alpha.c (print_operand): Don't continue processing
1137 after issuing error.
1138 (summarize_insn): Avoid use of UL in constant.
1140 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1142 * fold-const.c (force_fit_type): Unsigned values can overflow
1143 if they are sizetype.
1144 (int_const_binop): Don't use cache if overflows.
1146 2000-10-20 Richard Henderson <rth@cygnus.com>
1148 * function.c (locate_and_pad_parm): Zero alignment_pad.
1150 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1151 perform substitutions, and apply_change_group to see if it worked.
1153 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1155 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1157 * combine.c (struct undo): Change int to unsigned int.
1158 (do_SUBST_INT): Args are unsigned int.
1159 (make_extraction, force_to_mode): Use proper type when forming mask.
1160 (make_field_assignment): Likewise.
1162 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1164 * c-common.c (check_format_info_recurse): Extract string constant
1165 initializers from non-volatile constant arrays and check them as
1167 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1168 for DECL_MODE (decl) != BLKmode.
1169 (decl_constant_value_for_broken_optimization): New function which
1170 includes these checks.
1171 (default_conversion, convert_for_assignment, digest_init): Use
1172 decl_constant_value_for_broken_optimization instead of
1173 decl_constant_value.
1175 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1177 * tree.h (DECL_ALIGN_UNIT): New macro.
1179 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1181 * config/avr/avr-protos.h (avr_output_bld): New.
1182 (out_shift_with_cnt): Add t_len argument.
1183 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1184 (output_movqi, output_movhi, output_movsisf): Optimize loading
1185 any constant with exactly one bit set to NO_LD_REGS.
1186 (out_shift_with_cnt): Optimize output code for size or speed,
1187 depending on optimize_size. Handle small shift counts as well
1188 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1189 with or without a scratch register, with help of __tmp_reg__
1190 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1191 length of TEMPLATE in words, return total insn length in *LEN.
1192 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1193 out_shift_with_cnt to work with the above change.
1194 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1195 lshrsi3_out): Likewise. Optimize more known shift count cases.
1196 Remove cases already well optimized in out_shift_with_cnt.
1197 (avr_output_bld): New function.
1198 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1199 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1200 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1201 Add reload_completed to insn condition - only for peepholes.
1202 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1203 in a register or memory.
1204 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1205 Do not require a scratch register.
1206 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1207 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1208 Optimize shifts by known count using a scratch register, but only
1209 if one is still available after register allocation.
1211 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1213 * t-vax: New file. Don't build modules from libgcc1.c.
1215 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1217 * alias.c: (mark_constant_function): Don't check pure functions.
1218 Initialize and end alias analysis.
1219 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1220 Don't make a special exception for recursion. Handle
1221 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1222 unless it's volatile.
1224 * local-alloc.c (equivalence): New structure.
1225 (reg_equiv): Define.
1226 (contains_replace_regs): Remove array and use
1228 (memref_referenced_p): Likewise.
1229 (no_equiv): Likewise.
1230 (update_equiv_regs): Likewise.
1232 (equiv_init_varies_p,
1233 equiv_init_movable_p): New functions.
1234 (update_equiv_regs): Use them. Use rtx_varies_p
1235 instead of function_invariant_p. Process insns
1236 from end to beginning. Allow a REG_EQUIV insn
1237 within the same loop as a use to be moved, also
1238 allow it to be moved out of a loop. Update
1239 REG_DEAD notes when substituting into an insn.
1241 2000-10-19 Jim Wilson <wilson@cygnus.com>
1243 * c-decl.c (start_decl): Check for error_mark_node type before using
1245 (finish_decl): Likewise. Don't give an error if decl type is
1246 already error_mark_node.
1248 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1249 New local update_blocks. Use update_blocks to remove duplicates
1250 when computing update blocks. Check for bblst_table overflow.
1251 (schedule_block): Add explanatory comment. Reduce bblst_size by
1253 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1256 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1258 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1260 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1262 * expmed.c: Minor corrections in comments.
1263 * invoke.texi: Added desciption for the new option -ftrapv.
1265 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1267 * libgcc2.c: Added the missing #endif.
1269 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1271 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1273 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1275 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1276 Use smulv_optab for -ftrapv.
1277 (expand_mult_highpart): Use unsigned multiply.
1278 (expand_divmod): Special-case division by -1.
1279 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1280 For complex divide, use abs with unsigned result.
1281 * expr.c (force_operand): Use unsigned multiply.
1282 (expand_expr): Use overflow-trapping optabs for signed types if
1284 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1285 if the type is signed and the original call wasn't EXPAND_SUM or
1287 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1288 (negv_optab, absv_optab): Declare.
1289 * flags.h (flag_trapv): Declare.
1290 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1291 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1292 (gen_insn): Interpret '$P' as requiring an integer mode,
1293 including partial integer modes.
1294 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1295 (product_cheap_p): Use unsigned expand_mult.
1296 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1297 (negv_optab, absv_optab): Define.
1298 (expand_binop): Use overflow-trapping optabs for signed types if
1300 Handle negv_optab libe neg_optab.
1301 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1302 Use overflow-trapping optabs for signed result if flag_trapv.
1303 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1305 Don't open-code complex absolute-value operation for flag_trapv.
1306 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1307 sdivv_optab, negv_optab and absv_optab.
1308 * toplev.c (flag_trapv): Define.
1309 (lang_independent_options f_options): Include flag_trapv.
1310 * tree.h (TYPE_TRAP_SIGNED): Define.
1311 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1312 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1314 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1315 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1317 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1318 David V. Henkel-Wallace <gumby@cygnus.com>
1320 * config/i386/t-netware: Bring in from the Red Hat tree.
1321 * config/i386/netware.h: Likewise.
1322 * config/netware.h: Likewise.
1323 * config/rs6000/netware.h: Delete.
1324 * configure.in: Add i[34567]86-*-netware.
1325 * configure: Hand-edit to match configure.in change.
1327 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1329 * c-common.h (flag_no_builtin): Declare.
1330 (flag_no_nonansi_builtin): Likewise.
1331 (c_common_nodes_and_builtins): Change prototype.
1332 * c-common.c (flag_no_builtin): New variable.
1333 (flag_no_nonansi_builtin): Likewise.
1334 (c_common_nodes_and_builtins): Remove parameters. Adjust
1336 * c-decl.c (flag_no_builtin): Remove.
1337 (flag_no_nonansi_builtin): Likewise.
1338 (init_decl_processing): Adjust call to
1339 c_common_nodes_and_builtins.
1341 2000-10-18 Marc Espie <espie@openbsd.org>
1343 * tm.texi (LIBGCC_SPEC): Synch with reality.
1345 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1347 * c-common.c (check_format_types): Check for writing through a
1348 NULL pointer argument.
1350 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1352 * tm.texi (Exception Region Output): Document
1353 DWARF_CIE_DATA_ALIGNMENT.
1354 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1356 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1357 DWARF_CIE_DATA_ALIGNMENT.
1359 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1361 * basic-block.h (struct loop): Delete fields pre_header_root
1362 and pre_header_trace and replace with pre_header_edges
1363 and num_pre_header_edges.
1364 * flow.c (flow_loop_dump): Dump pre_header_edges.
1365 (flow_loops_free): Free pre_header_edges.
1366 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1368 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1370 * contrib.texi: Update references to steering committee members
1371 and Jeff Law's entry.
1373 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1375 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1376 (maybe_read_dollar_number, check_format_info_main): Use them for
1377 pedantic warning messages.
1379 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * c-common.c (check_format_info_main): Minor cleanup: move
1382 variables into inner scopes; initialize declarations where
1383 appropriate; don't hardcode "scanf" name on warning for zero
1386 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1388 * c-common.c (back_end_hook): New variable.
1389 * c-common.h (back_end_hook): Declare it.
1390 * c-lang.c (finish_file): Use it.
1392 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1395 2000-10-18 Jan Hubicka <jh@suse.cz>
1397 * i386.c (ix86_comparison_operator, put_condition_code,
1398 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1399 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1400 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1401 * i386.md (adddi and negdi splitter): Use CCRCmode.
1402 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1403 (subsi3_carry): add '*'
1404 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1405 (cmp to add peep2): Use CCRCmode; swap operands.
1407 2000-10-18 Kazu Hirata <kazu@hxi.com>
1409 * h8300.c: Fix a comment typo.
1410 (round_frame_size): New.
1411 (compute_saved_regs): Likewise.
1414 (push_order): Remove.
1415 (pop_order): Likewise.
1416 (function_prologue): Rearrange code for readability.
1417 (function_epilogue): Likewise.
1419 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1420 expander that is used when not optimizing. Output a tab after
1421 each assembly insns.
1423 * reorg.c: Fix formatting.
1425 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1427 * reload1.c (move2add_note_store): Check for simple
1428 auto-inc in destination.
1430 2000-10-17 Michael Chastain <chastain@redhat.com>
1432 * config/i386/i386-aout.h: define INT_ASM_OP.
1434 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1436 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1438 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1440 * i370.md: Fix spelling typo.
1442 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1444 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1445 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1447 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1448 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1451 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1452 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1454 * rs6000/aix.h: ...to here.
1455 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1457 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1459 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1461 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1462 sure linker can relax even the delay slot mov %g1,%o7, fix output
1465 2000-10-17 Kazu Hirata <kazu@hxi.com>
1467 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1468 expander that is used when not optimizing. Output a tab after
1469 each assembly insns.
1471 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1473 * gcc.c: New options --target-help.
1474 (process_command): Added code to parse this new option.
1475 * toplev.c (display_target_options): New function to support the
1477 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1478 (cpp_handle_option): Support this new option.
1479 * invoke.texi: Added notes about --target-help option.
1481 2000-10-17 Graham Stott <grahams@redhat.com>
1483 * config/i386/i386.md (testqi_1): Add missing operand prefix
1485 * config/i386/i386-protos.h: Add missing prototype.
1487 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1489 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1490 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1491 using -mintel-syntax.
1493 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1495 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1496 (format_types): Use it for printf.
1497 (maybe_read_dollar_number): Add parameter for the kind of format
1498 involved. Warn for multiple use for arguments if this is
1499 inappropriate for the kind of format involved.
1500 (check_format_info_main): Update calls to maybe_read_dollar_number.
1502 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1504 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1505 * fixincl.x: Rebuilt.
1507 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1509 * genrecog.c (write_switch): Return the first condition that needs a
1512 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1514 * c-tree.h (warn_sequence_point): Move declaration to...
1515 * c-common.h (warn_sequence_point): ... here.
1516 * c-decl.c (warn_sequence_point): Move definition to...
1517 * c-common.c (warn_sequence_point): ... here.
1518 (struct reverse_tree): New.
1519 (reverse_list, reverse_max_depth): New static variables.
1520 (build_reverse_tree, common_ancestor, modify_ok
1521 verify_sequence_points): New functions.
1522 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1523 * c-typeck.c (check_modify_expr): Delete.
1524 (build_modify_expr): Don't call it.
1526 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1528 * c-common.h (warn_missing_format_attribute): New variable.
1529 * c-decl.c (warn_missing_format_attribute): New variable.
1530 (c_decode_option): Decode -Wmissing-format-attribute and
1531 -Wno-missing-format-attribute.
1532 * c-common.c (check_function_format): If
1533 -Wmissing-format-attribute, give a warning where a vprintf or
1534 vscanf function is called by a function without its own printf or
1536 * toplev.c (documented_lang_options): Add
1537 -Wmissing-format-attribute.
1538 * invoke.texi: Document -Wmissing-format-attribute.
1540 2000-10-17 Marc Espie <espie@openbsd.org>
1542 * invoke.texi (-shared): Insist on requiring code generation flags
1543 to be used along with -shared, and document the subtle failure that
1544 may occur otherwise.
1546 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1548 * pa.md (return_internal): Move `use' after `return'.
1550 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1552 * machmode.def: Correct comment.
1554 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1556 * print-rtl.c (print_rtx_head): Constify.
1557 * rtl.h (print_rtx_head): Similarly.
1559 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1560 Constify char * return value.
1562 (output_64bit_and, output_64bit_ior): Constify char * return value.
1563 (pa_can_combine_p): Make static.
1564 (function_arg): Decorate unused `named' argument. Fix comment typo.
1565 (function_arg_partial_nregs): Decorate unused `named' argument.
1567 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1569 * c-common.c (format_check_results): New structure.
1570 (finish_dollar_format_checking): Adjust to take a
1571 format_check_results * parameter.
1572 (check_format_info, check_format_info_recurse,
1573 check_format_info_main): Split check_format_info into three
1574 functions, the main checking going in check_format_info_main.
1575 Recurse when any reduction of the format string argument towards a
1576 string literal is done; go down both branches of a conditional
1577 expression. Don't warn for extra format arguments or empty format
1578 strings if they only occur in some branches of a conditional
1581 2000-10-16 Kazu Hirata <kazu@hxi.com>
1583 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1585 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1587 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1589 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1591 * i386.md (*movsi_or): Switch operand order for intel syntax.
1593 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1597 * gcc.texi (Contributing): Update.
1599 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1601 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1602 appropriate assembler dialect.
1604 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1606 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1608 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1610 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1611 constants 1 and 2 to NO_LD_REGS.
1613 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1615 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1617 * objc/Make-lang.in (objc-parse.c): Likewise.
1619 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1621 * arm.c: Include obstack.h
1622 (minipool_obstack, minipool_startobj): Define.
1623 (arm_add_gc_roots): Initialize them.
1624 (create_fix_barrier): Use our new obstack.
1625 (push_minipool_barrier, push_minipool_fix): Likewise.
1626 (arm_reorg): Release obstack memory.
1628 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1630 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1631 (prologue, exception_receiver, builtin_setjmp_receiver): New
1633 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1634 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1635 (load_pic_register): New prototype.
1636 * config/sparc/sparc.c (pic_setup_code): Remove.
1637 (finalize_pic): Rename to...
1638 (load_pic_register): ...this function.
1639 Don't look for nonlocal_goto_receivers and emit pic setup code
1640 directly. Don't check current_function_uses_pic_offset_table.
1642 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1644 * tree.h (struct obstack): Declare.
1646 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1649 * Makefile.in (ggc-callbacks.o): Remove target.
1650 (flow.o): Depend on GGC_H.
1651 * alias.c (init_alias_analysis):
1652 Remove ggc_p conditionals.
1653 (end_alias_analysis): Likewise.
1654 * basic-block.h (init_flow): New function.
1655 (allocate_reg_life_data): Declare.
1656 * bb-reorder.c (function_obstack): Replace with ...
1657 (flow_obstack): ... new variable.
1658 (fixup_reorder_chain): Use it.
1659 * c-decl.c (ggc_p): Remove.
1660 (caller-save.c): Don't call oballoc/obfree.
1662 undobuf): Remove storage.
1663 (try_combine): Don't call oballoc.
1664 (undo_all): Don't call obfree.
1665 * cse.c (insert): Use xmalloc, not
1667 (cse_main): Adjust accordingly.
1668 * dwarf2out.c (save_rtx): Remove
1670 (dwarf2out_init): Remove ggc_p conditionals.
1671 * emit-rtl.c (rtl_obstack): Remove.
1672 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1673 (make_insn_raw): Likewise.
1674 (emit_insn_before): Likewise.
1675 (emit_insn_after): Likewise.
1676 (emit_insn): Likewise.
1677 (gen_sequence): Likewise.
1678 (copy_insn_1): Remove handling of `b' RTL components.
1679 (init_emit_once): Remove ggc_p conditionals.
1680 * except.c (create_rethrow_ref): Don't fool with obstacks.
1681 (add_partial_entry): Likewise.
1682 (call_get_eh_context): Likewise.
1683 (begin_protect_partials): Likewise.
1684 (protect_with_terminate): Likewise.
1686 (plus_constant_wide): Likewise.
1687 * expr.c (init_expr_once):
1689 (emit_block_move): Likewise.
1690 (clear_storage): Likewise.
1691 (expand_expr): Likewise.
1692 * flow.c (function_obstack): Remove.
1693 (flow_obstack): New variable.
1694 (flow_firstobj): Likewise.
1695 (create_base_block): Use the flow_obstack.
1696 (split_block): Likewise.
1697 (split_edge): Likewise.
1698 (calculate_global_regs_live): Likewise.
1699 (allocate_bb_life_data): Make it static. Likewiwse.
1700 (init_flow): New function.
1701 (size_int_type_wide): Remove ggc_p conditionals.
1703 (push_function_context_to): Don't call save_tree_status.
1704 (pop_function_context_from): Or restore_tree_status.
1705 (assign_stack_local_1): Don't call push_obstacks.
1706 (find_fixup_replacement): Use xmalloc.
1707 (fixup_var_refs_insns): Free the storage.
1708 (insns_for_mem_walk): Don't mess with obstacks.
1709 (instantiate_decls): Likewise.
1710 (trampoline_address): Likewise.
1711 (expand_function_end): Likewise.
1712 * function.h (sturct function):
1713 Remove obstack-related variables.
1714 (save_tree_status): Don't declare.
1715 (restore_tree_status): Likewise.
1716 * gcse.c (compute_can_copy):
1717 Don't call oballoc/obfree.
1718 * genattrtab.c (operate_exp): Remove
1720 (simplify_cond): Likewise.
1721 (simplify_test_exp): Don't mess with obstacks.
1722 (optimize_attrs): Likewise.
1723 * gengenrtl.c (gendef): Don't include
1725 * ggc-callbacks.c (ggc_p): Remove.
1726 * ggc-none.c (ggc_p): Remove.
1727 * ggc.h (ggc_p): Don't declare.
1728 * integrate.c (save_for_inline): Don't mess with obstacks.
1729 (integrate_decl_tree): Likewise.
1730 (output_inline_function): Likewise.
1732 (init_EXPR_INSN_LIST_cache): Likewise.
1733 * loop.c (temp_obstack):
1735 (rtl_obstack): Likewise.
1736 (init_loop): Don't mess with obstacks.
1737 (reg_address_cost): Free BIVs and GIVs.
1738 (check_insns_for_bivs): Use xmalloc, not oballoc.
1739 (find_mem_givs): Likewise.
1740 (record_biv): Likewise.
1741 (general_induction_var): Likewise.
1742 (product_cheap_p): Likewse.
1743 * optabs.c (init_one_libfunc): Remove
1745 * print-tree.c (debug_tree): Don't use
1747 (print_node): Likewise.
1748 * profile.c (output_func_start_profiler):
1749 Remove call to temporary_allocation.
1751 (eliminate_regs_in_insn): Don't mess with obstacks.
1753 (mark_target_live_regs): Use xmalloc.
1754 (free_resource_info): Free the memory.
1755 * rtl.c (rtl_obstack):
1757 (rtvec_alloc): Don't mess with obstacks.
1758 (rtx_alloc): Likewise.
1760 (copy_rtx): Don't handle `b' cases.
1761 (read_rtx): Use a local rtl_obstack.
1762 * rtl.h (oballoc): Remove.
1764 (pop_obstacks): Likewise.
1765 (push_obstacks): Likewise.
1766 (allocate_bb_life_data): Likewise.
1767 (allocate_reg_life_data): Likewise.
1768 (rtx_free): Likewise.
1769 * sdbout.c (sdbout_queue_anonymous_type):
1770 Use tree_cons, not saveable_tree_cons.
1772 (cselib_init): Don't mess with obstacks.
1774 (mark_block_nesting): Mark the label_chain.
1775 (epxand_label): Use ggc_alloc, not oballoc.
1776 (clear_last_expr): Don't mess with obstacks.
1777 (expand_decl_cleanup): Likewise.
1778 (expand_dcc_cleanup): Likewise.
1779 (expand_dhc_cleanup): Likewise.
1780 (expand_anon_union_decl): Likewise.
1781 (add_case_node): Use xmalloc, not oballoc.
1782 (free_case_nodes): New function.
1783 (expand_end_case): Call it.
1784 * stor-layout.c (layout_type): Don't
1786 (layout_type): Likewise.
1787 * toplev.c (wrapup_global_declarations):
1789 (compile_file): Remove ggc_p conditionals.
1790 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1791 (decode_f_option): Remove ggc_p conditionals.
1793 (function_maybepermanent_obstack): Remove.
1794 (maybepermanent_obstack): Likewise.
1795 (function_obstack): Likewise.
1796 (tmeporary_obstack): Likewise.
1797 (momentary_obstack): Likewise.
1798 (temp_decl_obstack): Likewise.
1799 (saveable_obstack): Likewise.
1800 (rtl_obstack): Likewise.
1801 (current_obstack): Likewise.
1802 (expression_obstack): Likewise.
1803 (struct obstack_stack): Likewise.
1804 (obstack_stack): Likewise.
1805 (obstack_stack_obstack): Likewise.
1806 (maybepermanent_firstobj): Likewise.
1807 (temporary_firstobj): Likewise.
1808 (momentary_firstobj): Likewise.
1809 (temp_decl_firstobj): Likewise.
1810 (momentary_function_firstobj): Likewise.
1811 (all_types_permanent): Likewise.
1812 (struct momentary_level): Likewise.
1813 (momentary_stack): Likewise.
1814 (init_obstacks): Remove initialization of removed obstacks.
1815 (save_tree_status): Remove.
1816 (restore_tree_status): Likewise.
1817 (temporary_allocation): Liekwise.
1818 (end_temporary_allocation): Liekwise.
1819 (resume_temporary_allocation): Likewise.
1820 (saveable_allocation): Likewise.
1821 (push_obstacks): Likewise.
1822 (push_obstacks_nochange): Likewise.
1823 (pop_obstacks): Likewise.
1824 (allocation_temporary_p): Likewise.
1825 (permanent_allocation): Likewise.
1826 (preserve_data): Likewise.
1827 (preserve_initializer): Likewise.
1828 (rtl_in_current_obstack): Likewise.
1829 (rtl_in_saveable_obstack): Likewise.
1830 (oballoc): Likewise.
1832 (savealloc): Likewise.
1833 (expralloc): Likewise.
1834 (print_obstack_name): Likewise.
1835 (debug_obstack): Likewise.
1836 (object_permanent_p): Likewise.
1837 (push_momentary): Likewise.
1838 (perserve_momentary): Likewise.
1839 (clear_momentary): Likewise.
1840 (pop_momentary): Likewise.
1841 (pop_momentary_nofree): Likewise.
1842 (suspend_momentary): Likewise.
1843 (resume_momentary): Likewise.
1844 (make_node): Don't set TREE_PERMANENT.
1845 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1846 Don't set TREE_PERMANENT.
1847 (get_identifier): Remove ggc_p conditionals.
1848 (build_string): Likewise.
1849 (make_tree_vec): Likewise.
1850 (build_decl_list): Remove.
1851 (build_expr_list): Likewise.
1852 (tree_cons): Remove ggc_p conditionals.
1853 (decl_tree_cons): Remove.
1854 (expr_tree_cons): Likewise.
1855 (perm_tree_cons): Likewise.
1856 (temp_tree_cons): Likewise.
1857 (saveable_tree_cons): Likewise.
1858 (build1): Remove ggc_p conditionals.
1859 (build_parse_node): Likewise.
1860 (build_type_attribute_variant): Don't mess with obstacks.
1861 (build_type_copy): Likewise.
1862 (type_hash_canon): Likewise.
1863 (build_pointer_type): Likewise.
1864 (build_reference_type): Likewise.
1865 (build_index_type): Likewise.
1866 (build_range_type): Likewise.
1867 (dump_tree_statistics): Don't print obstack information.
1869 (struct tree_common): Remove permanent_flag.
1870 (TREE_PERMANENT): Remove.
1871 (TREE_SET_PERMANENT): Likewise.
1872 (TYPE_OBSTACK): Likewise.
1873 (struct tree_type): Remove obstack.
1875 (savealloc): Likewise.
1876 (build_decl_list): Likewise.
1877 (build_expr_list): Likewise.
1878 (perm_tree_cons): Likewise.
1879 (temp_tree_cons): Likewise.
1880 (saveable_tree_cons): Likewise.
1881 (decl_tree_cons): Likewise.
1882 (expr_tree_cons): Likewise.
1883 (suspend_momentary): Likewise.
1884 (allocation_temporary_p): Likewise.
1885 (resume_momentary): Likewise.
1886 (push_obstacks_nochange): Likewise.
1887 (permanent_allocation): Likewise.
1888 (push_momentary): Likewise.
1889 (clear_momentary): Likewise.
1890 (pop_momentary): Likewise.
1891 (end_temporary_allocation): Likewise.
1892 (pop_obstacks): Likewise.
1893 (push_obstacks): Likewise.
1894 (pop_momentary_nofree): LIkewise.
1895 (preserve_momentary): Likewise.
1896 (saveable_allocation): Likewise.
1897 (temporary_allocation): Likewise.
1898 (resume_temporary_allocation): Likewise.
1899 (perserve_initializer): Likewise.
1900 (debug_obstack): Likewise.
1901 (rtl_in_current_obstack): Likewise.
1902 (rtl_in_saveable_obstack): Likewise.
1904 * varasm.c (current_obstack): Remove.
1905 (saveable_obstack): Remove.
1906 (rtl_obstack): Remove.
1907 (immed_double_const): Don't mess with obstacks.
1908 (immed_real_cons): Likewise.
1909 (output_constant_def): Likewise.
1910 (init_varasm_status): Use xcalloc.
1911 (mark_pool_constant): Mark the pool constant itself.
1912 (free_varasm_status): Free memory.
1913 (decode_rtx_const): Call bzero directly, rather than expanding it
1915 (record_rtx_const): Don't mess with obstacks.
1916 (force_const_mem): Likewise.
1917 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1919 (aof_pic_entry): Likewise.
1920 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1921 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1922 * config/pa/pa.c (saveable_obstack): Remove.
1923 (rtl_obstack): Likewise.
1924 (current_obstack): Likewise.
1925 (output_call): Don't mess with obstacks.
1926 (hppa_encode_label): Remove ggc_p conditionals.
1927 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1928 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1929 (rs6000_encode_section_info): Likewise.
1930 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1932 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1934 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1935 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1936 (addsi3_carry): Canonicalize.
1937 (addqi_5): Remove '*'.
1938 (sbb pattern): Canonicalize.
1940 * i386.md (cmp to inc/add peep2): New.
1942 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1944 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1947 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1949 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1950 * README.TRAD, TESTS.FLUNK: Remove.
1952 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1954 * c-common.c (decl_attributes): Don't allow strftime formats with
1955 first_arg_num nonzero.
1956 (check_format_info): Set wanted_type and wanted_type_name to zero
1957 before they are possibly assigned and used.
1959 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1961 * c-common.c (scanf_flag_specs): Add flags ' and I.
1962 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1963 or the ^ and # flags together.
1964 (scan_char_table): Handle the ' and I flags.
1965 (format_types): Add ' and I flags for scanf.
1967 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1969 * c-common.c (print_char_table): Use the unpromoted type for
1970 lengths "h" and "hh" with conversions dioxXu.
1971 (check_format_types): Apply the default argument promotions where
1972 the wanted type is not a pointer target.
1974 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1975 Joseph S. Myers <jsm28@cam.ac.uk>
1977 * c-typeck.c (check_modify_expr): New function.
1978 (build_modify_expr): Call it if warn_sequence_point.
1979 * c-decl.c (warn_sequence_point): New variable.
1980 (c_decode_option): Handle -Wsequence-point and
1981 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1982 * c-tree.h (warn_sequence_point): Declare.
1983 * invoke.texi (-Wsequence-point): Document.
1984 * toplev.c (documented_lang_options): Add -Wsequence-point and
1985 -Wno-sequence-point.
1986 Original work by Michael Meeks, 16 Jun 1998.
1988 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1990 * tree.c (get_narrower): Don't look at precision of field if
1993 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1995 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1996 declaration for data with "progmem" attribute.
1998 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2000 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2001 Correct insn length if shift count is a memory operand.
2002 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2003 (*iorhi3_clobber): Change lo8 to hi8.
2004 (zero_extendhisi2): Change %B0 to %A1.
2005 (ashlhi3, ashrhi3): Correct insn length.
2006 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2007 from "clobber" to "set_n" in some alternatives.
2009 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2011 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2012 remove its insn_chain structure as well.
2014 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2016 * dbxout.c (dbxout_source_line): Remove extra tab.
2018 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2020 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2022 2000-10-09 Richard Henderson <rth@cygnus.com>
2024 * Makefile.in (LANG_LIB2FUNCS): Remove.
2025 (LIB2FUNCS): Remove _pure.
2026 (LIB2ADD): Remove LANG_LIB2FUNCS.
2027 (stage_a): Don't set LANG_LIB2FUNCS.
2028 * libgcc2.c (__terminate): Mark noreturn.
2029 (__pure_virtual): Remove.
2030 * mklibgcc.in: Remove LIB2ADD .txt processing.
2032 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2034 * arm.md (push_multi): Revert unintended change.
2036 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2038 * arm.c: Miscellaneous white space and comment clean-ups. No
2042 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2045 STRING_CST by calling combine_strings.
2047 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2049 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2050 (thumb_output_move_mem_multiple): Support new insn format.
2051 * arm.md (movmem12b): Use SSA compatible format.
2052 (movmem8b): Likewise.
2054 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2056 * arm.md (predicable): New attribute, default to "no".
2057 (all patterns): Mark as predicable if appropriate.
2058 (conditional execution splits): Split using predication format.
2059 (define_cond_exec): Define.
2060 * arm.c (arm_print_operand): handle insn predicate.
2062 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2064 * README.NS32K: Remove file.
2066 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2068 * README-bugs: Remove file.
2070 2000-10-08 Philipp Thomas <pthomas@suse.de>
2071 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2073 * configure: Rebuilt.
2075 2000-10-08 Philipp Thomas <pthomas@suse.de>
2076 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2077 disable catalog building if no suitable program was found.
2078 Move warning message from here
2079 (AM_GNU_GETTEXT): To here.
2080 * configure: Rebuilt.
2082 2000-10-08 Philipp Thomas <pthomas@suse.de>
2083 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2084 different cache variables.
2085 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2086 uses different cache variables.
2087 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2088 * configure: Regenerated.
2090 2000-10-08 Richard Henderson <rth@cygnus.com>
2092 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2093 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2094 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2097 * config/t-linux (SHLIB_EXT): New.
2098 (SHLIB_LINK): Use the entire build command, with substitutions.
2099 (SHLIB_LIBS): Remove.
2100 * config/alpha/t-osf4: Likewise.
2101 * config/mips/t-iris6: Likewise.
2102 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2103 * config/sparc/t-slibgcc-sld: ...here.
2104 * config/sparc/t-slibgcc: New file.
2106 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2108 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2109 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2111 (intmax_type_node, uintmax_type_node): Define.
2112 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2113 attributes create a type wider than intmax_t.
2114 (T_IM, T_UIM): Define properly.
2115 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2117 (init_decl_processing): Initialize intmax_type_node and
2119 * c-lex.c (lex_number): When pedantic and warning for integer
2120 constants that are too large, in C99 mode warn for those that have
2121 a type wider than long long.
2123 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2125 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2126 FMT_FLAG_FANCY_PERCENT_OK): Define.
2127 (format_char_info): Add flag "4" to comment.
2128 (format_flag_spec, format_flag_pair): New structures.
2129 (format_kind_info): Add additional fields to control format
2131 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2132 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2134 (time_char_table): Use "4" flag to handle %Ey.
2135 (format_types): Add entries for new fields.
2136 (get_flag_spec): New function.
2137 (check_format_info): Increase size of flag_chars[] to 256.
2138 Control format checking using the new fields of a format_kind_info
2139 and the new tables; remove all conditionals on printf_format_type,
2140 scanf_format_type or strftime_format_type. Handle all details of
2141 bad combinations of flags (including width, precision and strftime
2142 modifiers) through data rather than ad hoc code. Handle all
2143 details of standard versions in which flags appeared through
2144 data. Use the "4" flag.
2146 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2148 * config/h8300/h8300.md: Remove the memory alternative and correct
2149 the insn lengths in the templates for sign extention and zero
2152 2000-10-07 Richard Henderson <rth@cygnus.com>
2154 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2155 * flow.c (make_edges): Revert last change.
2157 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2159 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2161 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2163 * config/alpha/elf.h: Standardize the formatting.
2165 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2167 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2170 2000-10-06 Richard Henderson <rth@cygnus.com>
2172 * function.c (diddle_return_value): Examine
2173 current_function_return_rtx instead of the DECL_RESULT.
2174 (expand_function_end): Handle reloading DECL_RESULT from memory
2175 into a hard register. Query promote_mode for sign of mismatched
2178 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2180 * haifa-sched.c (schedule_insns): Fix typo in freeing
2181 forward_dependency_cache.
2183 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2185 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2186 `TARGET_SH2' as a condition.
2188 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2190 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2191 forward_dependency_cache): New variables.
2192 (add_dependence, remove_dependence): Use anti_dependency_cache and
2193 output_dependency_cache.
2194 (compute_block_forward_dependences): Use forward_dependency_cache.
2195 (schedule_insns): Allocate and free memory for anti/output/forward
2196 dependencies caches.
2198 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2200 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2201 `! TARGET_SH1'. Reindent.
2203 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2206 Move functions from here ...
2208 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2210 (c_expand_builtin): New function.
2211 (init_function_format_info): Don't set `check_function_format_ptr'.
2212 (c_common_nodes_and_builtins): Set built_in_class type for
2213 printf/__builtin_printf to BUILT_IN_FRONTEND.
2214 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2216 * c-common.h (build_function_call): Declare.
2218 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2219 to `lang_expand_expr' rather than `expand_builtin'.
2221 * tree.c (check_function_format_ptr): Delete.
2223 * tree.h (check_function_format_ptr): Likewise.
2225 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2227 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2228 DW_OP_bregx when cfa->reg > 31.
2230 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2233 2000-10-05 Richard Henderson <rth@cygnus.com>
2235 * c-decl.c (warn_missing_noreturn): Remove.
2236 (c_expand_body): Don't set or check can_reach_end.
2237 * c-tree.h (warn_missing_noreturn): Move ...
2238 * flags.h: ... here.
2239 (can_reach_end): Remove.
2240 * flow.c (check_function_return_warnings): New.
2241 (make_edges): No edge to exit for noreturn sibcalls.
2242 * function.c (expand_function_end): Save the return value
2243 clobber instruction.
2244 (mark_function_status): Mark it.
2245 * function.h (struct function): Add x_clobber_return_insn.
2246 * jump.c (can_reach_end): Remove.
2247 (calculate_can_reach_end): Remove.
2248 (jump_optimize_1): Don't call it.
2249 * output.h (check_function_return_warnings): Declare.
2250 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2251 (rest_of_compilation): Call check_function_return_warnings.
2253 2000-10-05 Richard Henderson <rth@cygnus.com>
2255 * Makefile.in (NM_FOR_TARGET): New.
2256 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2257 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2258 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2259 shared library build on that and EXTRA_MULTILIB_PARTS.
2260 * mkmap-flat.awk: New file.
2261 * mkmap-symver.awk: New file.
2262 * libgcc-std.ver: New file.
2263 * config/libgcc-glibc.ver: New file.
2264 * config/ia64/libgcc-ia64.ver: New file.
2265 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2266 (SHLIB_LINK): Add --version-script.
2267 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2268 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2269 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2270 (SHLIB_LINK): Add -M.
2272 2000-10-05 Richard Henderson <rth@cygnus.com>
2274 * Makefile.in (LIB2FUNCS): Add _clz.
2275 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2276 (__clz_tab): Put in its own unit, non-static.
2277 * libgcc2.h: Always include longlong.h.
2279 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2280 a zero instead of -1.
2281 (count_trailing_zeros): Likewise.
2283 2000-10-05 Richard Henderson <rth@cygnus.com>
2285 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2286 when second op1 is const0_rtx. Validate op0 as a register.
2287 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2288 in the first argument of the compare.
2289 (setcc_swapped_internal): Likewise.
2290 (setne_internal): Likewise.
2292 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2294 * tree.c (tree_size): New function split out of copy_node.
2295 (make_node): Remove obstack handling. Use tree_size.
2296 (copy_node): Use tree_size.
2297 * tree.h: Prototype tree_size.
2299 2000-10-05 Richard Henderson <rth@cygnus.com>
2301 * diagnostic.c (output_format): Add missing break.
2303 2000-10-05 Jim Wilson <wilson@cygnus.com>
2305 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2306 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2307 sequence insn to INSN, and delete last sequence insn.
2309 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2311 * gcc.c (main): Include generated configargs.h header
2312 and use arguments in '-v' output.
2314 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2316 * gcc.c: Move data on prefixes forward in file and reorganize.
2317 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2318 Always define, but make null if no value.
2319 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2320 and "md_startfile_prefix_1".
2321 (main): Check whether md_exec_prefix and the others are the
2322 null string rather than whether the macro is defined.
2324 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2326 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2327 from PSImode to SImode.
2329 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2331 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2332 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2333 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2336 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2338 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2339 negation in proper type.a
2341 2000-10-04 Richard Henderson <rth@cygnus.com>
2343 * configure.in (enable-shared): New.
2344 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2345 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2346 * mklibgcc.in: Use them to link shared a libgcc.
2347 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2348 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2349 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2350 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2352 * configure.in (alpha-osf*): Use t-osf and x-osf.
2353 * config/alpha/t-osf: New file.
2354 * config/alpha/t-osf4: New file.
2355 * config/alpha/x-osf: New file.
2356 * config/alpha/x-alpha: Remove file.
2358 2000-10-04 Will Cohen <wcohen@redhat.com>
2360 * c-typeck.c (process_init_element): Added warning for zero-length
2363 * extend.texi (Zero Length): State that static initializers for
2364 zero-length arrays are not allowed.
2366 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2368 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2371 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2373 * config/float-c4x.h: New.
2374 * configure.in (c4x-*): Set float_format to c4x.
2375 * configure: Regenerate.
2377 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2380 compilation for solaris versions 2.7 and greater.
2382 2000-10-02 Marc Espie <espie@openbsd.org>
2384 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2385 instead of redefining from scratch.
2387 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2389 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2391 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2393 * config/ns32k/genix.h: Remove.
2394 * config/ns32k/x-genix: Likewise.
2395 * config/ns32k/xm-genix.h: Likewise.
2396 * config/fx80: Remove all filee in directory.
2397 * config/pyr: Likewise.
2398 * config/tahoe: Likewise.
2399 * config/gmicro: Likewise.
2400 * config/spur: Likewise.
2401 * configure.in: Remove configury bits for above targets.
2402 * configure: Regenerated.
2404 * configure.in: Don't configure chill by default.
2405 * configure: Regenerated.
2407 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2408 (lang_mark_false_label_stack): Remove.
2409 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2410 <top level> string in GC area.
2411 (mark_splay_tree_node): New function.
2412 (mark_splay_tree): Likewise.
2413 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2415 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2416 * ggc-common.c (lang_mark_false_label_stack): Change type.
2417 * ggc.h (ggc_alloc_string): Add comment.
2418 (ggc_strdup): New function.
2420 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2422 * config/avr/avr.h (BRANCH_COST): Define as 0.
2424 * config/pdp11/pdp11.c: #include "tree.h" added.
2426 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2428 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2429 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2430 with known shift count.
2431 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2432 New alternative for shift count 2 with no scratch register.
2433 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2434 "set_n" for shift counts 1 and 2.
2436 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2438 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2439 the mask value from the individual SET operations.
2440 (return_internal_si): Move the USE after the RETURN.
2441 (return_internal_di): Likewise.
2442 (return_and_restore_fpregs_si): Likewise.
2443 (return_and_restore_fpregs_di): Likewise.
2444 (return_eh_si): Likewise.
2445 (return_eh_di): Likewise.
2446 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2448 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2449 Don't generate a PARALLEL around a single operation movsi_to_cr.
2450 Generate the RETURN first in any PARALLELs.
2452 * rtlanal.c (single_set_1): Use fatal_insn to display the
2453 invalid insn. Check for more cases when a USE or CLOBBER occurs
2455 * Makefile.in: Update dependencies for rtlanal.o.
2457 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2459 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2461 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2463 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2464 Consistently use @email for formatting email addresses.
2466 2000-09-29 Richard Henderson <rth@cygnus.com>
2468 * cse.c (notreg_cost): New argument outer.
2469 (COST): Pass in SET to notreg_cost
2471 (fold_rtx): Use COST_IN. Prefer constants when costs
2474 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2476 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2477 * fixinc/fixincl.x: Regenerate.
2479 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2481 * loop.c (check_final_value): A GIV is not replaceable if used
2484 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2486 * version.c: Bump to gcc-2.97.
2488 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2490 * final.c (final_scan_insn): Remove extra extract_insn call;
2491 Use caching for constrain_operands.
2492 (cleanup_subreg_operands): Use caching for extract_insn.
2493 * recog.c (constrain_operands_cached): New.
2494 * recog.h (constrain_operands_cached): Declare.
2495 * i386.c (ix86_attr_length_immediate_default,
2496 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2499 * recog.c (asm_noperands): Tweak.
2500 (extract_insn): Do not call asm_noperads for non-asm instructions.
2502 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2504 * recog.c (recog_memoized): Rename to recog_memoized_1.
2505 * recog.h (recog_memoized): Rename to recog_memoized_1.
2506 (recog_memoized): New macro.
2507 * rtl.h (single_set): Rename to single_set_1
2508 (single_set): New macro.
2509 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2512 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2513 Do not use match_dup of input operands at outputs.
2514 Use register_operand for memory expression.
2515 (rep_movsi): Put use last, canonicalize.
2516 Use register_operand for memory expression.
2517 (rep_movqi): Put use last.
2518 Use register_operand for memory expression.
2519 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2520 of input operands at outputs. Use register_operand for memory
2522 (rep_stossi): Put use last; canonicalize; fix match_dup in
2523 the address expression
2524 (rep_stosqi): Likewise.
2525 (memcmp expander): Update calls.
2526 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2529 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2531 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2533 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2535 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2536 Contains the old contents of config/i386/freebsd.h
2537 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2538 Contains the old contents of config/i386/freebsd-elf.h
2539 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2540 config/i386/freebsd.h.
2541 * configure.in: Adjust for above changes.
2542 * po/POTFILES.in: Likewise.
2543 * po/en_GB.po: Likewise.
2544 * po/gcc.pot: Likewise.
2545 * configure: Rebuilt.
2547 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2549 * doloop.c (doloop_modify): Prevent delete_insn() from
2550 deleting too much. Prefer loop->top over loop->start as
2551 target for the new JUMP insn.
2552 (doloop_valid_p): Ignore loop with exit_count != 0.
2554 2000-09-28 Philipp Thomas <pthomas@suse.de>
2556 * invoke.texi (i386 Options): Add athlon to table of possible
2559 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2561 * diagnostic.h (output_clear_message_text): New function.
2562 (output_message_text): New macro.
2564 * diagnostic.c (clear_text_info): Rename to
2565 output_clear_message_text.
2566 (output_clear): Adjust.
2567 (output_finish): Rename to output_finalize_message. Tweek.
2568 (output_to_stream): Adjust.
2570 2000-09-28 Neil Booth <neilb@earthling.net>
2572 * cpperror.c (_cpp_begin_message): Do the test for suppression
2573 of warnings and pedantic warnings before the "is a warning an
2575 * cppinit.c (cpp_handle_option): Remove surplus \n.
2576 * cpplex.c (ON_REST_ARG): Delete.
2577 (skip_block_comment): Initialise prevc.
2578 (parse_args): Improve error messages.
2579 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2581 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2582 * cppmain.c (main): Set callbacks for #ident and #pragma
2583 only if no_output option is false.
2584 (do_pragma_implementation): Only call the #pragma handler
2585 if it is set in the cpp_reader structure.
2587 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2589 * integrate.c (copy_insn_list): if an ignored return value
2590 is being clobbered, skip cloning that into the inline copy.
2592 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2594 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2595 use @uref for formatting URLs.
2597 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2599 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2602 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2604 * gcc.c (cpp_options): Add spec for -ftabstop=.
2605 (invoke_as): New spec that handles invoking as.
2606 Update specs to handle -save-temps and -traditional.
2607 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2609 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2610 invoke_as, and handle -save-temps and -traditional (if
2613 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2615 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2617 (function_arg_slotno): Accept TImode/CTImode.
2618 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2621 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2623 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2626 2000-09-25 Jim Wilson <wilson@cygnus.com>
2628 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2629 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2630 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2631 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2633 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2635 * cpplex.c (parse_args): Don't set VOID_REST flag.
2636 (CONTEXT_VARARGS): New flag.
2637 (maybe_paste_with_next): Set context earlier in loop. Use
2638 it. Do varargs test with CONTEXT_VARARGS flag.
2639 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2640 pushing an argument context for a varargs argument.
2641 * cpplib.h (VOID_REST): Delete.
2642 * gcc.dg/cpp/vararg1.c: Add test case.
2644 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2646 * flags.h: Declare warning flag warn_system_headers.
2647 * toplev.c: Define it.
2648 (W_options): Add option -Wsystem-headers.
2649 * diagnostic.c (count_error): Test warn_system_headers.
2650 * invoke.texi: Add description for -Wsystem-headers.
2651 * cpplib.h (cpp_options): New member warn_system_headers.
2652 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2653 CPP_IN_SYSTEM_HEADER.
2654 * cpplib.c (do_import, do_pragma_once): Likewise.
2655 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2656 and CPP_IN_SYSTEM_HEADER.
2657 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2658 (print_help): Describe -Wsystem_headers.
2659 * cpplex.c (lex_line): Reorganize condition so that warnings
2660 about C++ comments in system headers can be enabled. Remove
2661 label do_line_comment.
2663 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2665 * cpplex.c (save_comment): Only store the initial '/'
2667 (lex_token): Combine handling of the two comment types.
2668 Pass everything but the initial '/' to save_comment.
2670 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2672 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2673 _cpp_can_paste): New library-internal prototypes.
2674 * cpplex.c (dump_param_spelling, output_line_command,
2675 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2676 cpp_printf, cpp_output_list): Move to cppoutput.c.
2677 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2678 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2680 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2681 dump_param_spelling, output_line_command, cpp_scan_buffer,
2682 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2684 * Makefile.in: Add cppoutput.c.
2685 * po/POTFILES.in: Add cppoutput.c.
2687 2000-09-25 Richard Henderson <rth@cygnus.com>
2689 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2690 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2691 split until after reload.
2692 (rotlsi3, rotldi3): New.
2694 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2696 * diagnostic.c (output_last_position): Define.
2697 (set_real_maximum_length): Tweek.
2698 * diagnostic.h (output_last_position): Declare.
2700 2000-09-25 Kazu Hirata <kazu@hxi.com>
2702 * config/i386/i386.c: Fix formatting.
2704 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2706 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2707 UNITS_PER_WORD is small.
2709 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2711 * c-common.c (format_char_info): Add flags2; update comments.
2712 (print_char_table, scan_char_table, time_char_table): Split some
2713 flags out into flags2.
2714 (check_format_info): Use flags2 for those flags, for identifying
2715 the initial character of a scanf scanset, and for identifying
2716 printf formats where the '0' flag is ignored with precision.
2718 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2720 Changes below marked "here" add TABs on either or both sides,
2721 covering start of line, up to any operand for all noted .*ASM.*_OP
2722 definitions. All callers changed.
2723 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2724 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2725 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2726 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2727 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2728 Fix typos in description for LONG_LONG_TYPE_SIZE and
2729 FINI_SECTION_ASM_OP.
2730 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2731 why these defaults don't have leading spacing.
2732 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2733 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2734 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2735 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2736 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2737 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2738 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2739 * varasm.c (ASM_STABS_OP): Here.
2740 * xcoffout.h (ASM_STABS_OP): Here.
2741 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2742 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2743 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2744 STRING_ASM_OP): Here.
2745 * config/freebsd.h (IDENT_ASM_OP): Here.
2746 * config/linux-aout.h (SET_ASM_OP): Here.
2747 * config/linux.h (SET_ASM_OP): Here.
2748 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2750 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2751 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2752 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2753 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2755 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2756 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2757 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2758 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2759 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2760 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2761 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2762 * config/a29k/udi.h (INT_ASM_OP): Here.
2763 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2764 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2766 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2767 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2768 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2769 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2770 ASM_STABD_OP): Here.
2771 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2772 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2773 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2774 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2775 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2776 SIZE_ASM_OP, STRING_ASM_OP): Here.
2777 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2778 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2779 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2780 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2781 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2782 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2784 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2785 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2786 * config/arm/coff.h (INT_ASM_OP): Here.
2787 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2788 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2789 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2790 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2791 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2792 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2793 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2794 STRING_ASM_OP): Here. Update documentation copy in comments.
2795 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2796 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2797 DATA_SECTION_ASM_OP): Here.
2798 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2800 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2801 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2802 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2803 BSS_SECTION_ASM_OP): Here.
2804 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2805 BSS_SECTION_ASM_OP): Here.
2806 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2808 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2809 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2810 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2811 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2812 BSS_SECTION_ASM_OP): Here.
2813 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2814 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2815 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2816 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2817 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2819 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2820 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2822 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2823 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2824 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2825 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2827 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2828 * config/i386/netbsd.h (INT_ASM_OP): Here.
2829 * config/i386/openbsd.h (INT_ASM_OP): Here.
2830 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2831 IDENT_ASM_OP): Here.
2832 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2833 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2834 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2835 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2836 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2837 SHARED_BSS_SECTION_ASM_OP): Here.
2838 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2839 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2840 DATA_SECTION_ASM_OP): Here.
2841 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2842 CONST_SECTION_ASM_OP): Here.
2843 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2844 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2845 BSS_SECTION_ASM_OP): Here.
2846 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2847 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2848 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2849 BSS_ASM_OP): Here, but use trailing spaces.
2850 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2851 DATA_SECTION_ASM_OP): Here.
2852 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2854 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2855 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2856 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2857 TDESC_SECTION_ASM_OP): Here.
2858 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2859 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2860 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2862 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2863 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2864 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2865 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2866 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2867 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2868 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2869 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2870 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2871 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2872 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2873 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2875 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2876 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2877 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2878 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2879 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2880 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2881 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2882 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2883 GLOBAL_ASM_OP): Here.
2884 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2885 BSS_SECTION_ASM_OP): Here.
2886 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2887 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2888 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2889 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2891 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2892 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2893 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2894 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2895 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2896 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2897 but use trailing spaces.
2898 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2899 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2900 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2902 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2903 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2904 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2905 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2906 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2907 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2908 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2909 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2910 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2911 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2912 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2913 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2915 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2916 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2917 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2918 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2919 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2920 DTORS_SECTION_ASM_OP): Here.
2921 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2922 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2923 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2924 BSS_SECTION_ASM_OP): Here.
2925 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2926 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2927 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2928 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2929 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2930 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2931 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2932 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2934 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2936 * config/mips/osfrose.h (SET_ASM_OP): Here.
2937 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2938 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2939 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2940 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2942 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2943 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2944 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2945 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2946 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2947 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2949 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2951 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2952 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2953 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2955 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2956 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2957 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2958 * config/sparc/linux64.h (COMMON_ASM_OP,
2959 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2960 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2961 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2962 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2963 * config/sparc/pbd.h (ASM_INT_OP): Here.
2964 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2965 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2966 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2967 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2968 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2969 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2970 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2971 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2972 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2973 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2974 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2975 EH_FRAME_SECTION_ASM_OP): Here.
2976 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2977 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2979 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2981 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2982 TCOMMON_ASM_OP): Here.
2983 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2985 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2988 2000-09-25 Richard Henderson <rth@cygnus.com>
2990 * expmed.c (store_bit_field): Adjust last change to not consider
2991 any word-sized field naturally aligned.
2993 2000-09-24 Richard Henderson <rth@cygnus.com>
2995 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2996 TFmode unordered compares properly. Revalidate integer compare
2998 (alpha_emit_setcc): New.
2999 (alpha_emit_conditional_move): Revalidate integer compare operands.
3000 * config/alpha/alpha-protos.h: Update.
3001 * config/alpha/alpha.md (cmpdi): Allow general operands.
3002 (sne): Use alpha_emit_setcc.
3003 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3004 (sunordered, sordered): New.
3006 2000-09-24 Richard Henderson <rth@cygnus.com>
3008 * config/ia64/ia64-protos.h: Update.
3009 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3010 (ia64_expand_call): New.
3011 (ia64_expand_prologue): Emit an alloc if we need extra input
3013 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3014 instruction if true.
3015 (struct reg_flags): Add is_sibcall.
3016 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3017 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3018 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3019 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3020 * config/ia64/ia64.md (call): Use ia64_expand_call.
3021 (call_value): Likewise.
3022 (sibcall, sibcall_value): New.
3023 (call patterns): Remove extra expanders; tidy.
3024 (sibcall_epilogue): New.
3025 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3027 2000-09-24 Richard Henderson <rth@cygnus.com>
3029 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3031 * sibcall.c (skip_pic_restore): New.
3032 (identify_call_return_value): Use it.
3034 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3036 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3037 functions. Generalize to handle both C and C++.
3038 * Makefile.in (c-tree.info): New target.
3039 (info): Add c-tree.info.
3041 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3043 * expr.c (store_field): If BITSIZE is negative, use size of type.
3044 (expand_expr, case COMPONENT_EXPR): Likewise.
3046 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3048 * cpplex.c: Update TODO comment.
3049 * cpplib.c (do_error, do_warning): Merge common code of
3050 do_error and do_warning into do_diagnostic. Use it.
3051 (do_diagnostic): New function.
3052 * cpplib.h: Fix comment typo.
3054 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3056 * c-common.c (check_format_info): Warn for a wide character string
3057 used as a non-wide format argument.
3059 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3061 * builtins.def (BUILT_IN_LLABS): Add.
3062 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3063 * c-common.c (c_common_nodes_builtins): Create builtin functions
3064 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3065 outside of C99 mode.
3066 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3068 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3070 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3071 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3072 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3073 _cpp_free_toklist): No need to worry about extra dummy token
3074 at the start of token lists any more.
3075 (trigraph_ok): Only warn outside comments.
3076 (skip_block_comment): Set and clear lexing_comment.
3077 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3078 Set and clear lexing_comment.
3079 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3080 (check_long_token): Delete.
3081 (lex_percent, lex_dot): New subroutines of lex_token to
3082 handle lexing of '.' and '%' without lookback.
3083 (lex_token): Use lex_dot and lex_percent.
3084 (lex_line): Don't check for LIST_OFFSET.
3085 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3086 * cpplib.c (_cpp_parse_assertion): Similarly.
3087 (cpp_push_buffer): Initialize extra_char.
3088 * cpplib.h (LIST_OFFSET): Delete.
3089 (struct cpp_buffer): New member extra_char.
3090 (struct lexer_state): New members lexing_comment and seen_dot.
3092 2000-09-23 Jason Merrill <jason@redhat.com>
3094 * config/rs6000/x-aix41 (CLIB): Define here.
3095 * config/rs6000/t-aix43: Not here.
3096 * config/rs6000/t-aix41: Or here. Remove.
3097 * configure.in: Don't use it.
3099 2000-09-22 Jason Merrill <jason@redhat.com>
3101 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3102 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3103 * config.in: Regenerate.
3105 * configure.in: Fix checks for assembler features when using a
3106 one-tree assembler that has not yet been built.
3107 Fix --disable-threads.
3109 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3111 * stmt.c (expand_asm_operands): Allow # in constraints.
3113 2000-09-22 Jason Merrill <jason@redhat.com>
3115 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3117 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3118 function-local names.
3120 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3121 Mark Mitchell <mark@codesourcery.com>
3123 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3124 * flags.h (warn_disabled_optimization): Add it here.
3125 * gcse.c (gcse_main): Add warning when disabled.
3126 * invoke.texi: Document -Wdisabled-optimization.
3128 2000-09-21 Jason Merrill <jason@redhat.com>
3130 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3132 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3133 (gen_variable_die): Call it for non-definitions.
3135 * dwarf2out.c (die_struct): Add die_mark field.
3136 (mark_dies, unmark_dies): New fns.
3137 (clear_die_sizes): Remove.
3138 (print_die): Check die_symbol rather than die_offset.
3139 (build_abbrev_table, output_pubnames, output_aranges): Check
3140 die_mark rather than die_offset.
3141 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3144 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3146 * cppfiles.c (lookup_include_file): Rename to open_file.
3147 Always create a splay tree value, even on syscall failures.
3148 Negative entries indicated by fd == -2.
3149 Re-open files closed in the meantime.
3150 (_cpp_fake_include): Create a negative splay tree entry.
3151 (find_include_file, cpp_read_file): Update for function name
3153 * gcc.gd/cpp/mi4.c: Testcase.
3155 2000-09-21 Nick Clifton <nickc@redhat.com>
3157 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3158 ARM and THUMB modes.
3160 * config/mcore/mcore.c: Fix compile time warnings.
3161 * config/mcore/mcore-protos.h: Fix compile time warnings.
3163 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3165 * configure.in: Correct test of gcc_cv_glibc.
3166 * configure: Rebuilt.
3167 * config.in: Rebuilt.
3169 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3171 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3172 (expand_builtin): Handle BUILT_IN_FWRITE.
3174 * builtins.def (BUILT_IN_FWRITE): New entry.
3176 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3178 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3180 * gcc.c (modify_target): New variable and struct.
3181 (process_command): Handle MODIFY_TARGET_NAME.
3182 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3183 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3185 * c-decl.c (finish_decl): Add else's to avoid referencing
3186 TYPE_DOMAIN of an ERROR_MARK.
3188 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3190 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3193 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3195 * config/avr/avr.md (neghi2): Add alternative for input and output
3196 operands in different registers, as in negsi2.
3197 (*negsi2): Remove '*' from the name. Use "movw" if available.
3199 2000-09-19 Jim Wilson <wilson@cygnus.com>
3201 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3202 HAVE_GAS_HIDDEN macro.
3204 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3206 * cpplex.c (lex_line): Drop the EOF token for unknown
3207 directives in assembler.
3209 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3211 * configure.in: Allow enable_threads_flag value of "aix". Define
3212 thread_file as "aix" for AIX 4.3 and above.
3213 * configure: Regenerated.
3215 * gthr-aix.h: New file.
3217 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3218 Remove 403 processor multilib match. Fix rios2 processor multilib
3221 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3222 to return to appropriate csect.
3224 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3228 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3229 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3232 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3235 * c-common.c (init_function_format_info): Handle __builtin_printf.
3236 Set `check_function_format_ptr'.
3237 (c_common_nodes_and_builtins): Set `puts_ftype' and
3238 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3239 __builtin_printf and printf.
3241 * tree.c, tree.h (check_function_format_ptr): Declare.
3243 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3245 * cppfiles.c (read_include_file): Take no special action for
3248 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3250 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3251 rather than that of branch.
3252 (shorten_branches): Don't increment insn_current_address twice.
3254 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3255 * loop.h (struct induction): Delete members derived, ix and last_use.
3256 (struct loop_ivs): Delete members first_increment_giv and
3258 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3259 recombine_givs): Delete functions.
3260 (find_and_verify_loops): Don't initialize cont_dominator.
3261 (strength_reduce): Lose code to try to find bivs that can be
3262 expressed as givs of another biv, and to convert biv increments
3264 Lose loop_scan_start variable, always use loop->scan_start.
3265 Don't call recombine_givs. Don't handle derived givs.
3266 (record_giv): Don't initialize derived and last_use fields.
3267 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3269 * unroll.c (derived_regs): Delete static variable.
3270 (unroll_loop): Don't initialize it.
3271 (copy_loop_body): Lose code to handle derived givs.
3272 (find_splittable_givs): Don't check for givs made from biv
3274 Don't set derived_regs.
3276 Fix misapplied earlier patch:
3277 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3279 (floatsisf2): Generate floatsisf_ie by default.
3280 (floatsisf_i4): Conditional on TARGET_SH4.
3282 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3283 predicate for the expanders.
3285 2000-09-19 Richard Henderson <rth@cygnus.com>
3287 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3288 in addition to pentium and pentiumpro symbols.
3289 (CPP_CPU_DEFAULT_SPEC): Likewise.
3291 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3294 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3295 if the tree has side effects.
3296 (warn_if_unused_value): Do not warn about void constructs.
3298 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3300 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3301 calling invert_jump.
3303 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3305 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3308 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3310 * Makefile.in (c-common.o): Depend on diagnostic.h.
3312 * c-common.c: Include diagnostic.h.
3314 (status_warning): New function.
3315 (check_format_info, maybe_read_dollar_number, check_format_types,
3316 finish_dollar_format_checking, check_function_format): Accept a
3317 `status' parameter. All callers changed.
3319 * c-common.h (check_function_format): Accept a `status' parameter.
3321 * c-typeck.c: Update call to `check_function_format'.
3323 2000-09-18 Richard Henderson <rth@cygnus.com>
3325 * c-decl.c (c_expand_body): Call mark_varargs before
3326 expand_function_start.
3328 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3330 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3331 * config/rs6000/eabi-ci.asm: Likewise.
3333 2000-09-18 Richard Henderson <rth@cygnus.com>
3335 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3338 2000-09-18 Jim Wilson <wilson@cygnus.com>
3340 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3341 before passing it to fold_rtx_mult_add.
3343 * unroll.c (final_giv_value): Pass increment through
3344 extend_value_for_giv before passing it to emit_iv_add_mult.
3346 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3347 paradoxical subreg, then directly substitute the replacement and
3350 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3352 * cpp.texi: Update documentation, including some clarifications,
3353 the treatment of various newline combinations, and space between
3354 backslash and newline.
3356 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3358 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3359 Replace ASM_OUTPUT_LABELREF with assemble_name.
3361 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3363 * sh.c (addsubcosts): CONST is not cheap.
3364 (find_barrier): For Sh1, take alignment after jumps into account.
3366 2000-09-15 Andrew Haley <aph@redhat.com>
3368 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3369 remove all SETs of SUBREGs of hard registers.
3370 * function.c (purge_hard_subreg_sets): New function.
3371 (purge_single_hard_subreg_set): New function.
3372 * rtl.h: (purge_hard_subreg_sets): New function.
3374 2000-09-18 Richard Henderson <rth@cygnus.com>
3376 * config/ia64/ia64-protos.h: Update.
3377 * config/ia64/ia64.c (signed_inequality_operator): New.
3378 (ia64_expand_compare): New.
3379 (ia64_register_move_cost): Handle PR_REGS moves.
3380 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3381 (struct reg_write_state): Add written_by_and/or.
3382 (struct reg_flags): Add is_and/or.
3383 (rws_update): Set them.
3384 (rws_access_regno): Test them to allow parallel comparisons.
3385 (rtx_needs_barrier): Recognize parallel comparisons.
3386 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3387 Call recog_memoized; ignore pred_rel_mutex.
3388 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3389 (ia64_reorg): Do it here instead.
3390 * config/ia64/ia64.h: s/CCmode/BImode/g
3391 (MODES_TIEABLE_P): Don't tie BImode.
3392 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3393 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3394 (RTX_COSTS): Make multiply 4 insns.
3395 (MEMORY_MOVE_COST): New.
3396 (PREDICATE_CODES): Update.
3397 * config/ia64/ia64.md: s/CCmode/BImode/g
3398 (movcci, movbi): New.
3399 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3400 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3401 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3402 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3403 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3404 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3405 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3406 (mulsi, muldi): Use xmpy not xma.
3408 (movcc, movcc_internal): Remove.
3409 (branch expanders): Use ia64_expand_compare.
3410 (setcc expanders): Likewise.
3411 (cmov insns): Use move_operand and ia64_move_ok.
3412 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3413 scheduler from moving it past a use.
3414 * config/ia64/build.hacks: Remove.
3416 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3418 * cpphash.h (HASHSTEP): Take character rather than pointer
3420 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3422 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3424 * cpplex.c (auto_expand_name_space, trigraph_replace,
3425 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3426 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3427 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3428 KNOWN_DIRECTIVE): Delete.
3430 (handle_newline, check_long_token, skip_escaped_newlines,
3431 unterminated): New functions.
3432 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3434 (parse_identifier): Was parse_name, new implementation.
3435 (skip_line_comment, skip_block_comment, skip_whitespace,
3436 parse_number, parse_string, trigraph_ok, save_comment,
3437 adjust_column, _cpp_get_line): New implementations.
3439 (lex_token): New function. Lexes a token at a time, looking
3440 forwards. Contains most of the guts of the old lex_line.
3441 (lex_line): New implementation, using lex_token to obtain
3443 (cpp_scan_buffer): Use the token's line, not the list's line.
3445 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3446 New implementations.
3447 (do_assert): Don't bother setting the answer's list's line.
3448 (cpp_push_buffer): Initialise new pfile and read_ahead members
3449 of struct cpp_buffer.
3451 * cpplib.h (cppchar_t): New typedef.
3452 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3454 (struct lexer_state): New structure that determines the state
3455 and behaviour of the lexer.
3456 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3457 (struct cpp_reader): New member "state". Rename
3458 multiline_string_line and multiline_string_column. Delete
3459 col_adjust, in_lex_line members.
3460 (CPP_BUF_COLUMN): Update.
3462 2000-09-18 Richard Henderson <rth@cygnus.com>
3464 * combine.c (simplify_comparison): Shift a NOT out of a single
3467 * combine.c (if_then_else_cond): Canonicalize BImode true to
3469 * explow.c (trunc_int_for_mode): Likewise.
3471 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3472 the NOT for De Morgan's rule.
3473 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3474 of a comparison to the reverse comparison.
3476 * combine.c (try_combine): Allow split to create a single insn.
3478 * machmode.def: Add BImode. Add a column for bitsize.
3479 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3480 (GET_MODE_BITSIZE): Use it.
3481 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3482 (mode_bitsize): New.
3483 (mode_mask_array): Use bitsize.
3484 * combine.c (combine_simplify_rtx): Require inner and outer
3485 modes to match on nonzero_bits optimizations.
3487 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3489 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3490 its entry in spill_reg_store.
3491 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3492 * sh.c (reg_no_subreg_operand): New function.
3493 * sh-protos.h (reg_no_subreg_operand): Declare it.
3494 * sh.h (PREDICATE_CODES): Add it.
3495 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3496 input operand that needs to be in fpul.
3497 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3498 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3499 might add new insns.
3501 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3503 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3505 (sh_expand_epilogue): Take the PIC register into account when
3506 computing the frame size.
3508 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3509 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3510 LABEL_REFs with a PIC-safe unspec.
3512 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3514 * c-common.c (check_format_info): Properly save the argument
3515 number and parameter for $ operand number formats in case width
3516 and precision arguments are also used. Allow printf width and
3517 precision arguments to have operand numbers even if none was
3518 specified for the main format, since this is OK for %*.*m. Only
3519 object to missing $ operand number if the format used requires an
3522 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3524 * c-common.c (format_char_info): Add 'W' flag to comment.
3525 (print_char_table, scan_char_table): Use it.
3526 (check_format_info): Use the 'W' flag to determine whether a
3527 format argument is written into.
3529 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3531 * c-common.c (check_format_types): Reorganise and clean up,
3532 checking earlier for ERROR_MARKs and making cur_type into its
3533 TYPE_MAIN_VARIANT where convenient.
3535 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3537 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3539 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3541 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3543 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3544 * i386.c (struct builtin_description): New.
3545 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3546 (mmx_reg_operand): Declare MODE arg as unused.
3547 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3548 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3549 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3550 ix86_init_builtins, ix86_expand_builtin): New functions.
3551 * i386.h (ix86_builtins): New enumeration.
3552 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3553 * i386.md (attr length_immediate): 0 for mmx/sse types.
3554 (attr prefix_0f): 1 for mmx/sse types.
3555 (setcc_2): Remove "*" so we get gen_setcc_2.
3556 (emms): Account for changed register numbering. Set "memory" attr
3558 (sfence): Set "memory" attr to unknown.
3560 2000-09-18 Andreas Jaeger <aj@suse.de>
3562 * configure.in: Define _GNU_SOURCE only when using the GNU C
3564 * configure: Regenerated.
3565 * config.in: Regenerated.
3567 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3569 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3570 * flow.c (flow_dump_loop): Likewise.
3571 (flow_loops_dump): Likewise.
3573 * c-typeck.c (c_start_case): Fix typo.
3575 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3577 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3578 to int for plain complex which defaults to complex double. Do
3579 warn about defaulting to complex double if pedantic. Warn about
3580 complex integer types if pedantic. Warn about complex types if
3581 pedantic and not in C99 mode.
3582 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3583 for complex conjugation.
3585 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3587 * contrib.texi: Update my entry.
3589 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3591 * config/avr/avr.md (mcu_enhanced): New attribute.
3592 (mcu_mega): Likewise.
3593 (extendhisi2): Use mcu_enhanced.
3594 (zero_extendhisi2): Likewise.
3595 (call_insn): Use mcu_enhanced and mcu_mega.
3596 (call_value_insn): Likewise.
3597 (*sbrx_branch): Use mcu_mega.
3598 (*sbrx_and_branchsi): Likewise.
3599 (*sbrx_and_branchhi): Likewise.
3600 (*tablejump_lib): Likewise.
3602 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3604 * alias.c (true_dependence): Allow non-unchanging read to conflict
3605 with unchanging write.
3607 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3608 (store_constructor): Pass alias_set to it.
3610 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3611 TYPE_MAIN_VARIANT of ERROR_MARK.
3612 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3614 * simplify-rtx.c (simplify_unary_operation): Add cases
3615 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3617 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3619 * expr.h (emit_library_call, emit_library_call_value): Delete
3621 * rtl.h (enum libcall_type): New.
3622 (emit_library_call, emit_library_call_value): Change fn_type arg to
3623 be of type enum libcall_type.
3624 * calls.c: Likewise for the function definitions. Several callers
3625 throughout changed to use the new enumeration appropriately.
3626 (emit_library_call_value_1): Likewise. Put back code to make libcall
3627 blocks of equal form, but only use it for the two new higher
3630 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3632 Convert the C front-end to use function-at-a-time mode.
3633 * c-common.h: Include splay-tree.h.
3634 (C_DECLARED_LABEL_FLAG): New macro.
3635 (struct language_function): Add x_scope_stmt_stack and
3636 x_function_name_declared_p.
3637 (RECHAIN_STMTS): Move definition.
3638 (lang_statment_code_p): Likewise.
3639 (lang_expand_stmt): Likewise.
3640 (lang_expand_decl_stmt): New variable.
3641 (lang_expand_function_end): Likewise.
3642 (current_scope_stmt_stack): New function.
3643 (add_decl_stmt): Likewise.
3644 (add_scope_stmt): Likewise.
3645 (mark_stmt_tree): Likewise.
3646 (struct c_lang_decl): New structure.
3647 (DECL_SAVED_TREE): Define.
3648 (c_mark_lang_decl): New function.
3649 (c_expand_start_cond): Change prototype.
3650 (c_finish_then): New function.
3651 (c_finish_else): Likewise.
3652 (current_function_name_declared): Remove.
3653 (set_current_function_name_declared): Likewise.
3654 (mark_c_language_function): Declare.
3655 (case_compare): Likewise.
3656 (c_add_case_label): Likewise.
3657 (c_expand_expr): Likewise.
3658 (c_safe_from_p): Likewise.
3659 * c-common.c (lang_expand_function_end): New variable.
3660 (struct if_elt): Add if_stmt.
3661 (c_expand_start_cond): Add the if-statement to the statement-tree,
3662 rather than generating RTL.
3663 (c_finish_then): New function.
3664 (c_expand_start_else): Don't generate RTL.
3665 (c_finish_else): New function.
3666 (c_expand_expr_stmt): Don't generate RTL.
3667 (statement_code_p): Add SCOPE_STMT.
3668 (case_compare): New function.
3669 (c_add_case_label): Likewise.
3670 (mark_stmt_tree): Likewise.
3671 (c_mark_lang_decl): Likewise.
3672 (mark_c_language_function): Likewise.
3673 (c_expand_expr): Likewise.
3674 (c_safe_from_p): Likewise.
3675 * c-decl.c (c_stmt_tree): New variable
3676 (c_scope_stmt_stack): Likewise.
3677 (c_function_name_declared_p): Likewise.
3678 (lang_expand_expr_stmt): Remove.
3679 (poplevel): Don't call output_inline_function for nested
3681 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3683 (redeclaration_error_message): Change means of computing whether
3684 or not a function is nested.
3685 (lookup_label): Don't call label_rtx.
3686 (init_decl_processing): Add more GC roots.
3687 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3688 calling rest_of_decl_compilation.
3689 (finish_decl): Don't call expand_decl.
3690 (store_parm_decls): Begin the statement-tree, but don't generate
3692 (finish_function): Tie off the statement-tree. Call c_expand_body
3694 (c_expand_body): New function.
3695 (push_c_function_context): Save more information.
3696 (pop_c_function_contxt): Likewise.
3697 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3698 (lang_mark_tree): Mark it.
3699 (current_stmt_tree): Adjust.
3700 (current_scope_stmt_stack): New function.
3702 (set_current_name_declared): Likewise.
3703 (c_begin_compound_stmt): Define.
3704 (c_expand_decl_stmt): Likewise.
3705 * c-lang.c: Include rtl.h and expr.h.
3706 (lang_init): Set more language-specific hooks.
3707 * c-lex.c: Include expr.h.
3708 * c-parse.in: Changes throughout to add statements to the
3709 statement-tree, rather than generating RTL after every statement.
3710 * c-semantics.c (lang_expand_decl_stmt): Define.
3711 (add_decl_stmt): New function.
3712 (add_scope_stmt): Likewise.
3713 (finish_stmt_tree): Tweak.
3714 (genrtl_expr_stmt): Likewise.
3715 (genrtl_decl_stmt): Handle local labels, and call
3716 lang_expand_decl_stmt if required.
3717 (genrtl_for_stmt): Fix line-number handling.
3718 (genrtl_case_label): Handle cleanups.
3719 (genrtl_asm_stmt): Don't call combine_strings.
3720 (genrtl_compound_stmt): Simplify.
3721 (expand_stmt): Handle SCOPE_STMTs.
3722 * c-tree.h (struct lang_decl): New structure.
3723 (C_DECLARED_LABEL_FLAG): Remove.
3724 (c_begin_compound_stmt): Declare.
3725 (c_expand_decl_stmt): Likewise.
3726 (c_expand_start_case): Rename to c_start_case.
3727 (c_finish_case): New function.
3728 * c-typeck.c (start_init): Tweak setting of
3729 constructor_incremental.
3730 (c_expand_asm_operands): Tweak error-handling. Add to the
3732 (c_expand_return): Add to the statement-tree.
3733 (c_expand_start_case): Rename to ...
3734 (c_start_case): ... this.
3735 (struct c_switch): New type.
3736 (switch_stack): New variable.
3737 (do_case): Simplify.
3738 (c_finish_case): New function.
3739 * dependence.c: Include expr.h.
3740 (enum dependence_type): Change spelling of enumerals.
3741 (check_node_dependence): Adjust.
3742 * expr.h (lang_safe_from_p): Declare.
3743 (safe_from_p): Likewise.
3744 * expr.c (lang_safe_from_p): New variable.
3745 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3746 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3747 * toplev.c (rest_of_decl_compilation): Robustify.
3748 * tree.c (contains_placeholder_p): Likewise.
3749 * Makefile.in: Update dependencies.
3750 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3751 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3752 (objc_expand_function_end): New function.
3753 (finish_method_def): Use it.
3754 (init_objc): Initialize more language-specific hooks.
3755 * objc/Make-lang.in: Update dependencies.
3757 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3759 * configure.in: Define macros that affect features before
3760 testing for features. Don't define _XOPEN_SOURCE.
3761 * configure: Regenerated.
3762 * config.in: Regenerated.
3764 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3766 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3767 (rtx_unstable_p): Restructure code. Volatile asms
3770 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3772 * function.h (no_debugging_symbols): New field.
3773 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3774 Initialize no_debugging_symbols.
3775 (output_inline_function): Save and restore write_symbols and set from
3776 no_debugging_symbols.
3777 * toplev.c (rest_of_compilation): Call save_for_inline.
3778 * tree.h: Update comment.
3780 * stor-layout.c (place_field): Don't do anything if field or
3781 its type are ERROR_MARK.
3783 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3785 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3786 (read_include_file): Ensure inc->mmaped is initialized.
3788 2000-09-16 Richard Henderson <rth@cygnus.com>
3790 * cppiles.c (purge_cache): Use PTR not caddr_t.
3792 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3794 * gcc.c: In description for %{<S}, say the option removed is -S.
3795 * invoke.texi (Spec Files): Ditto.
3797 2000-09-16 Andreas Jaeger <aj@suse.de>
3799 * configure.in: Always define _GNU_SOURCE to make interfaces
3800 visible that were hidden by only defining _GNU_SOURCE.
3801 * configure: Regenerated.
3803 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3805 * cpplex.c (push_macro_context): Set an argument's level after
3806 calling parse_args. We could loop infinitely otherwise.
3808 2000-09-15 Tom Tromey <tromey@cygnus.com>
3810 * configure, config.in: Rebuilt.
3811 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3813 2000-09-15 Greg McGary <greg@mcgary.org>
3815 * cppmacro.c (check_trad_stringification): Check token
3816 text pointers against limit before dereferencing.
3818 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3820 * c-common.c (format_wanted_type): New structure.
3821 (check_format_types): New function.
3822 (check_format_info): Pass all checking of types of format
3823 arguments, including width and precision arguments, to this new
3826 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3828 * BUGS: Remove file.
3830 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3832 * config/alpha/alpha.c (override_options): ev6 cache latencies
3833 from Richard Henderson. Don't allow -mmemory-latency=L0.
3835 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3836 (TARGET_OPTIONS): Add tune=.
3837 (alpha_tune_string): Declare.
3838 * config/alpha/alpha.c (override_options): Add cpu_table.
3839 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3840 and then alpha_tune_string to set alpha_cpu only.
3841 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3842 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3843 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3844 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3846 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3848 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3850 (ix86_comparison_operator, ix86_cc_mode): Declare
3851 * i386.h (CCGC, CCGCO): New modes.
3852 (SELECT_CC_MODE): Move offline to ....
3853 * i386.c (ix86_cc_mode): .... here; use new modes.
3854 (ix86_comparison_operator): New.
3855 (fcmov_comparison_operator): Ensure proper mode.
3856 (put_condition_mode): More sanity checking.
3857 (ix86_match_ccmode): Handle new modes.
3858 (ix86_expand_fp_compare): GEU requires CCmode.
3859 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3861 * i386.md (cmp?i_ccz_1): Remove
3862 (cmp?i_ccno_1): Use ix86_match_ccmode.
3863 (cmp?i_minus_1): New.
3864 (cmpsi_1): New expander.
3865 (cmpqi_ext_1): Use match_ccmode
3866 (cmpqi_ext_3): New expander.
3867 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3868 (cmpqi_ext_4): Use match_ccmode.
3869 (add?i_?): Use match_ccmode.
3871 (test?i_ccz_1): Remove
3873 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3874 (testqi_ext_0): Use ix86_match_ccmode.
3875 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3876 (xorqi_cc_ext_1): New expander.
3877 (shift patterns): Use CCGOCmode for all shifts except for sar.
3878 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3879 (setcc_3, jcc_3, miv?icc_c): Remove.
3881 2000-09-15 Will Cohen <wcohen@redhat.com>
3883 * dwarf2out.c (add_const_value_attribute): Changed array into a
3884 xmalloced object, so it exists after function exit.
3885 (free_AT): Added case for dw_val_class_float to free allocated
3888 2000-09-15 Kazu Hirata <kazu@hxi.com>
3890 * config/i386/i386.md: Fix a comment typo.
3891 * gcc.c: Fix formatting.
3893 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3895 * optabs.c (emit_libcall_block): If target is a user variable,
3896 copy to a temporary first.
3897 * expr.c (convert_move): When generating a libcall, make a libcall
3899 * calls.c (emit_library_call_value_1): Don't create a libcall
3900 sequence here; our caller will in most cases do it.
3902 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3904 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3905 * sh.md (reload_outsf): Generate recognizable patterns for
3907 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3908 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3909 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3910 truncdfsf2_i4): Change not to use explicit references to fpul.
3911 (floatsisf2_ie): Remove USE of fpscr.
3912 (floatsisf2): Change default expansion to match this.
3913 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3916 2000-09-15 Richard Henderson <rth@cygnus.com>
3918 * expmed.c (store_bit_field): Consider naturally aligned
3919 memory for direct reference.
3921 2000-09-15 Richard Henderson <rth@cygnus.com>
3923 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3924 AND addresses into alias set 0.
3925 (alpha_expand_unaligned_store): Likewise.
3926 (alpha_expand_unaligned_load_words): Likewise.
3927 (alpha_expand_unaligned_store_words): Likewise.
3929 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3931 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3932 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3934 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3935 rsize of UNITS_PER_WORD.
3937 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3939 * cpplex.c (ON_REST_ARG): Correct the test.
3940 (maybe_paste_with_next): Duplicate a token that fail pasting,
3941 and clear its PASTE_LEFT flag, so that nested pasting attempts
3944 2000-09-14 Richard Henderson <rth@cygnus.com>
3946 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3947 * cse.c (rtx_cost): Likewise.
3948 * optabls.c (expand_binop): Likewise.
3949 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3950 * regclass.c (copy_cost): Likewise.
3951 * reload1.c (reload_cse_move2add): Likewise.
3953 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3955 * c-parse.in (reswords): Add _Complex.
3957 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3959 * gcc.1: Delete documentation for -undef preprocessor option.
3961 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3963 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3964 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3965 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3966 Remove undefine before config/elfos.h.
3967 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3969 2000-09-14 Kazu Hirata <kazu@hxi.com>
3971 * invoke.texi (H8/300 Options): Add -ms2600.
3972 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3973 is used without -ms.
3974 * config/h8300.h (TARGET_MAC): New.
3975 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3976 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3977 machine other than H8/S2600.
3978 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3981 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3983 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3984 pseudos that refer to the original pseudos, not only to their
3985 equivalent memory locations.
3987 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3989 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3990 when making new MEM.
3992 * Makefile.in (LN): Remove duplicate definition.
3994 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3996 From Joern Rennecke:
3997 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3998 on an insn and function_invariant_p returns nonzero for the source,
3999 add a REG_EQUAL note.
4001 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4003 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4004 conflict with frame_pointer_rtx.
4006 2000-09-13 Kazu Hirata <kazu@hxi.com>
4008 * loop.c: Fix formatting.
4011 2000-09-13 Richard Henderson <rth@cygnus.com>
4013 * config/ia64/ia64.md (divsf3): New.
4014 (divsf3_internal_lat, divsf3_internal_thr): New.
4015 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4016 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4017 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4018 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4019 (nmadddf4_alts, nmadddf4_trunc): New.
4020 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4021 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4022 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4023 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4024 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4025 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4026 (nmaddtf4_truncdf_alts): New.
4027 (recip_approx): Don't predicate.
4029 2000-09-13 Richard Henderson <rth@cygnus.com>
4031 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4033 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4035 * flags.h (flag_dump_rtl_in_asm): Declare.
4036 * toplev.c (flag_dump_rtl_in_asm): Define.
4037 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4038 if -dP is specified.
4039 * rtl.h (print_rtx_head): Declare.
4040 * print-rtl.c (print_rtx_head): Define.
4041 (print_rtx): Print the string pointed to by print_rtx_head
4042 at beginning of each dump line.
4043 (print_rtl): Likewise.
4044 (print_rtl_single): Likewise.
4045 * final.c (final_scan_insn): Dump the insn in the assembly
4047 * gcc.1: Document -dP option.
4048 * invoke.texi (Debugging Options): Likewise.
4050 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4052 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4053 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4054 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4056 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4058 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4059 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4060 (*clrstrqi): Likewise.
4061 (xorhi3,xorsi3,absqi2): Likewise.
4062 (one_cmplhi2,one_cmplsi2): Likewise.
4063 (addsi3): Two stupid constraint alternatives removed.
4064 (extendhisi2): Use `movw' for enhanced avr cores.
4065 (zero_extendhisi2): Likewise.
4067 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4069 * alias.c (find_base_term): Use frame_pointer_rtx
4070 when handling an ADDRESSOF.
4072 * cse.c (canon_hash): Handle USE of BLKmode memory.
4073 (cse_insn): Outgoing arguments for a libcall don't
4074 affect any recorded expressions.
4076 2000-09-12 Tom Tromey <tromey@cygnus.com>
4078 * configure, config.in: Rebuilt.
4079 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4081 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4083 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4084 * expr.c (expand_expr): Don't optimize constant array references
4085 initialized with wide string constants.
4087 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4089 * loop.c (note_set_pseudo_multiple_uses): Correct.
4091 2000-09-12 Jim Wilson <wilson@cygnus.com>
4093 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4094 else block, and X has side-effects, then fail.
4096 2000-09-12 Greg McGary <greg@mcgary.org>
4098 * config/mips/mips-protos.h
4099 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4100 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4101 (PREDICATE_CODES): Add "trap_cmp_op".
4102 * config/mips/mips.c
4103 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4104 * config/mips/mips.md (trap, conditional_trap): New patterns.
4106 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4108 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4111 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4113 * builtins.c (built_in_decls): New array.
4114 (expand_builtin_fputs): New function.
4115 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4117 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4119 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4121 * tree.h (built_in_decls): New array.
4123 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4125 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4127 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4129 2000-09-12 Kazu Hirata <kazu@hxi.com>
4131 * haifa-sched.c: Fix formatting.
4133 * genattrtab.c: Fix formatting.
4135 * unroll.c: Fix formatting.
4137 2000-09-12 Bruce Korb <bkorb@gnu.org>
4139 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4140 remove obsolete code
4141 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4142 * fixinc/fixincl.tpl: make non-exported arrays static scope
4143 * fixinc/fixincl.x: regenerate
4144 * fixinc/fixlib.h: Use PARAMS, not _P_
4145 * fixinc/fixtests.c: make a type for the test proc & use it
4146 * fixinc/server.h: Use PARAMS, not _P_
4148 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4150 * c-typeck.c (process_init_element): Avoid union init warnings on
4151 floating point zero. Don't crash on unions containing structs.
4153 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4155 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4156 general_movsrc_operand, and remove CONST_INT from
4157 general_movdst_operand.
4159 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4161 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4162 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4163 regs with a higher cost.
4164 (preferrable): Deal with cases where either cost or regcost is
4166 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4168 (COSTS_N_INSNS): Move definition...
4170 (MAX_COST): New macro.
4171 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4174 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4176 * c-common.h (genrtl_clear_out_block): Remove.
4177 * c-semantics.c (genrtl_clear_out_block): Remove.
4178 (genrtl_while_stmt): Don't call it.
4179 (genrtl_for_stmt): Likewise.
4181 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4183 * cppfiles.c: Move all default-#defines to top of file.
4184 (open_include_file): Replace by lookup_include_file.
4185 (read_with_read, read_file): Merged into read_include_file.
4186 (stack_include_file, purge_cache): New functions.
4187 (close_cached_fd): Delete.
4188 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4189 Cache the in-memory buffer, not the file descriptor.
4191 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4193 (xcnew): New utility macro.
4194 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4195 * cpplib.h (struct cpp_buffer): Remove mapped field.
4197 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4199 * cpplex.c (parse_string): Accept backslash space newline as a
4201 (lex_line): Likewise.
4202 (_cpp_get_token): Remove hard limit on macro nesting.
4204 2000-09-12 Philipp Thomas <pthomas@suse.de>
4206 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4207 * configure: Rebuilt.
4209 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4211 * flow.c (split_block): Fix update of registers live at
4214 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4216 * i386.md (add?i_3, add?i_5): New.
4217 (add?i_4): Rename from add?i_3; Fix compare pattern.
4218 (sub?i_3, xor?i_3, ior?i_3): New.
4220 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4221 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4222 instead of extract_insn and extract_constrain_insn_cache instead of
4223 extract_insn and constrain_operands.
4224 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4226 (extract_insn): Clear which_alternative.
4227 (constrain_operands): Set which_alternative to -1 when failed.
4228 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4231 2000-09-11 Matthew Hiller <hiller@redhat.com>
4233 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4234 on operand 0 to '+'.
4235 (movstricthi): Likewise.
4237 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4239 * loop.h (LOOP_IVS): New macro.
4240 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4241 (struct loop_ivs): New.
4242 (struct loop_info): Add ivs field.
4243 (reg_iv_type, reg_iv_info): Delete prototype.
4244 (reg_biv_class, loop_iv_list): Likewise.
4245 * loop.c (record_biv, find_life_end): Pass loop argument.
4246 (reg_iv_type): Remove global array and use
4247 field in loop_regs structure within loop_ivs structure.
4248 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4249 (first_increment_giv, last_increment_giv): Use entry in
4251 (record_initial): Pass ivs pointer.
4252 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4254 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4256 * loop.h (LOOP_REGS): New macro.
4257 (struct loop_regs): New.
4258 (struct loop_info): Add regs field.
4259 * loop.c (set_in_loop): Remove global array and store
4260 in loop_regs structure as part of loop_info structure.
4261 (n_times_set, may_not_optimize): Likewise.
4262 (reg_single_usage, moved_once): Likewise.
4263 (count_one_set): Add regs argument.
4264 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4265 (set_pseudo_multiple_uses): Pass regs pointer.
4267 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4269 * unroll.c (iteration_info): Subsume into loop_iterations.
4270 * loop.h (loop_info): New field iv.
4272 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4274 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4275 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4276 (flow_loops_update): New prototype.
4277 (flow_loops_find): Add flags to prototype.
4278 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4279 * flow.c (flow_loop_pre_header_scan): New.
4280 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4281 (flow_loop_free): Free pre-header root and trace and exit dominators.
4282 (flow_loops_find): New argument flags.
4283 (flow_loops_update): New function.
4284 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4286 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4288 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4289 * flow.c (split_block, update_bb_for_insn): New functions.
4291 2000-09-11 Richard Henderson <rth@cygnus.com>
4293 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4295 2000-09-11 Richard Henderson <rth@cygnus.com>
4297 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4298 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4299 (ia64_override_options): Prevent optimizing division for both
4300 latency and throughput.
4301 (rtx_needs_barrier): Handle frcpa.
4302 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4303 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4304 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4305 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4306 -minline-divide-max-throughput.
4307 (PREDICATE_CODES): Update.
4308 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4309 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4310 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4311 (extendsftf2): Likewise.
4312 (extenddftf2): Likewise.
4313 (fix_trunctfdi2_alts): New.
4314 (fixuns_trunctfdi2_alts): New.
4315 (madd*4): Rename from madd*3.
4316 (divsi3, modsi3, udivsi3, umodsi3): New.
4317 (divsi3_internal): New.
4318 (divdi3, moddi3, udivdi3, umoddi3): New.
4319 (divdi3_internal_lat, divdi3_internal_thr): New.
4320 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4321 (recip_approx): New.
4323 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4325 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4326 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4328 * integrate.c (copy_rtx_and_substitute): Don't share
4329 LEAF_REG_REMAPpable registers with the inlined function. Don't
4330 share the function value with calling sequences.
4332 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4334 * c-decl.c (do_case): Fix a typo.
4336 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4337 to a if the comparison is floating mode and not -ffast-math.
4338 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4340 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4342 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4343 gen_ic_invalidate_line.
4345 2000-09-11 Philip Blundell <pb@futuretv.com>
4347 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4349 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4351 * install.texi (LANGUAGES): Update to include new languages.
4354 2000-09-11 DJ Delorie <dj@redhat.com>
4356 * gcc.c (main): Don't warn about unused -B prefixes
4357 (unused_prefix_warnings): remove
4359 2000-09-11 Kazu Hirata <kazu@hxi.com>
4361 * final.c: Fix formatting.
4363 * integrate.c: Fix formatting.
4365 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4367 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4369 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4371 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4373 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4375 * gcc.1: Document 68hc11 specific options.
4377 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4379 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4380 (TARGET_LONG_DOUBLE_128): Define.
4381 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4382 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4383 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4384 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4385 of __LONG_DOUBLE_128__.
4386 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4388 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4389 (CPP_SYSV_DEFAULT_SPEC): Define.
4390 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4391 (INIT_TARGET_OPTABS): Define.
4393 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4394 (RS6000_UITRUNC): Likewise.
4395 (INIT_TARGET_OPTABS): New macro.
4396 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4397 (trunc_defined): Delete.
4398 (output_prolog): Don't output .extern definitions for fp->int
4399 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4400 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4401 (trunc_defined): Delete.
4402 (RS6000_ITRUNC): Moved to aix.h.
4403 (RS6000_UITRUNC): Likewise.
4404 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4405 only emit a libcall.
4406 (fixuns_truncdfsi2): Delete.
4407 (trunc_call): Delete.
4408 (trunc_call_rtl): Delete.
4410 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4412 * varasm.c (make_decl_rtl): Restore leading star on
4413 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4415 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4417 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4418 won't give a spurious error for '#pragma pack()'. Simplify
4419 control flow for readability. 'reset' action is not necessary.
4421 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4423 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4424 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4425 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4426 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4428 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4429 profile.c, sdbout.c, tradcif.y, tree.c:
4430 Include defaults.h if not already included.
4431 Don't define the above macros.
4433 * Makefile.in: Update dependencies.
4435 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4437 * c-common.h (add_stmt): Change prototype.
4438 (RECHAIN_STMTS): New macro.
4439 (CASE_LABEL_DECL): Likewise.
4440 (genrtl_case_label): Change prototype.
4441 (c_expand_start_case): Remove prototype.
4442 (build_case_label): Change prototype.
4443 (decl_constant_value): Declare.
4444 * c-common.c (check_case_value): Handle C++'s extensions to C
4446 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4448 * c-parse.in (stmt): Adjust handling of return statements and case
4450 * c-semantics.c (add_stmt): Return the new statement.
4451 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4452 returned expression. Directly generate RTL, rather than calling
4454 (genrtl_switch_stmt): Don't call c_expand_start_case.
4455 (build_case_label): Take the LABEL_DECL as input, too.
4456 (genrtl_case_label): Just call add_case_node.
4457 (expand_stmt): Adjust calls to genrtl_return_stmt and
4459 * c-tree.h (c_expand_start_case): Declare.
4460 * c-typeck.c (decl_constant_value): Give it external linkage.
4461 (c_expand_return): Don't call expand_return or expand_null_return;
4462 use genrtl_return_stmt instead.
4463 * stmt.c (struct nesting): Remove num_ranges field.
4464 (add_case_node): Give it external linkage.
4465 (expand_start_case): Don't set num_ranges.
4466 (expand_start_case_dummy): Don't clear it.
4467 (pushcase): Rely on add_case_node to handle `default' labels.
4468 (add_case_node): Handle `default' labels.
4469 * tree.c (tree_int_cst_compare): New function.
4470 * tree.h (tree_int_cst_compare): Declare.
4471 (add_case_node): Likewise.
4473 2000-09-10 Richard Henderson <rth@cygnus.com>
4475 * c-parse.in: Revert last change.
4476 (init_reswords): Do not enter disabled keywords into the ridpointers
4477 table, modulo objc weirdness.
4478 (_yylex): Return the canonical spelling for a keyword.
4480 2000-09-10 Philip Blundell <philb@gnu.org>
4482 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4483 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4485 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4487 * alias.c (find_base_term): Handle ADDRESSOF.
4488 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4490 2000-09-10 Denis Chertykov <denisc@overta.ru>
4492 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4493 outputting templates with many lines.
4495 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4497 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4498 to decide whether 64-bit support must be generated.
4500 2000-09-10 Richard Henderson <rth@cygnus.com>
4502 * c-parse.in (asm patterns): Fix volatile check.
4504 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * cppmacro.c (check_trad_stringification): New function.
4507 (save_expansion): If -Wtraditional, warn about stringification of
4510 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4512 * loop.h (struct loop_mem_info): Move from loop.c
4513 (struct loop_info): Add fields store_mems, mems, mems_idx,
4514 mems_allocated, unknown_address_altered,
4515 unknown_constant_address_altered, num_mem_sets, and
4516 first_loop_store_insn.
4518 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4519 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4520 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4521 (num_mem_sets): Likewise.
4522 (replace_loop_mems, replace_loop_regs): New.
4523 (struct loop_replace_args): New.
4524 (load_mems): Use replace_loop_mems.
4525 (try_copy_prop): Use replace_loop_regs.
4526 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4528 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4530 * configure.in: Recognize m6811-elf and m6812-elf.
4531 * configure: Regenerate.
4533 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4535 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4538 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4540 * loop.c (struct movables): New.
4541 (num_movables): Move into struct movables.
4542 (the_movables): Change type to struct movables.
4543 (ignore_some_movables): Change struct movable arg to struct movables.
4544 (force_movables, combine_movables, regs_match_p): Likewise.
4545 (rtx_equal_for_loop_p, move_movables): Likewise.
4546 (scan_loop): Change movables to be of type struct movables.
4547 Replace last_movable with field in movables structure.
4549 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4551 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4552 (init_pragma): Avoid warning if pfile happens to be unused.
4553 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4554 define init_pragma to nothing. Always prototype
4555 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4557 * c-lex.c (process_directive): Always call dispatch_pragma.
4558 Initialize entering_c_header to 0.
4560 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4562 * config/m68hc11/m68hc11.md: New file, machine description for
4564 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4565 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4566 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4567 * config/m68hc11/m68hc11-protos.h: New file.
4568 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4569 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4570 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4571 * config/m68hc11/larith.asm: New file, libgcc routines.
4573 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4575 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4576 (FPBIT_FUNCS): Add _usi_to_sf.
4577 * config/fp-bit.c (usi_to_float): New function.
4578 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4579 (usi_to_float): Add appropriate #define.
4581 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4583 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4585 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4586 * i386.md (attr "type"): Add sse and mmx types.
4587 (attr "memory"): Handle them without a crash.
4588 (movsi_1, movdi_2): Allow MMX regs.
4589 (movdi splits): Don't split moves involving MMX regs.
4590 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4591 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4592 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4593 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4594 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4595 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4596 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4597 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4598 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4599 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4600 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4601 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4602 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4603 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4604 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4605 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4606 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4607 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4608 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4609 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4610 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4611 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4612 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4613 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4614 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4615 mmx_clrdi): New patterns.
4617 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4619 * arm.c: Don't include tm.h directly.
4621 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4623 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4624 testing; simplify subregs of constants and nested subregs.
4626 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4628 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4630 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4632 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4634 * rtl.texi (description of USE): Add note about possible pitfalls
4636 From Richard Henderson:
4637 * reload1.c (choose_reload_regs): Compute need_mode properly.
4639 2000-09-07 Richard Henderson <rth@cygnus.com>
4641 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4642 (__modsi3, __umodsi3): Likewise.
4643 (__udivsi3): Likewise. Normalize the TFmode values.
4645 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4647 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4649 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4652 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4654 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4655 (cmpeqdi_t): Add output pattern.
4656 (cmpeqdi_t+1): Don't split when not optimizing.
4657 Restore proper splitting operation.
4659 2000-09-07 Richard Henderson <rth@cygnus.com>
4661 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4662 do not call dispatch_pragma.
4664 2000-09-07 Jim Wilson <wilson@cygnus.com>
4666 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4667 to CLASS_CANNOT_CHANGE_MODE.
4668 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4669 mode classes are different.
4671 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4673 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4674 left out of commit which removed cppulp.c.
4676 2000-09-07 Richard Henderson <rth@cygnus.com>
4678 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4679 after switch for CASE_DROPS_THROUGH.
4681 2000-09-07 Richard Henderson <rth@cygnus.com>
4683 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4684 Properly extend the biv initial value for the giv.
4685 (record_biv): Zero ext_dependant.
4686 (record_giv): New argument ext_val. Update all callers.
4687 (general_induction_var): Likewise.
4688 (consec_sets_giv): Likewise.
4689 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4690 a sign-extend, zero-extend, or truncate.
4691 (combine_givs_p): Make sure modes are compatible.
4692 (check_ext_dependant_givs): New.
4693 (extend_value_for_giv): New.
4694 * loop.h (struct induction): Add ext_dependant.
4695 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4696 (find_splittable_givs): Likewise.
4697 (final_giv_value): Likewise.
4699 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4701 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4702 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4703 definitions from cpplib.h.
4704 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4706 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4707 documentation for REGISTER_TARGET_PRAGMAS.
4709 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4710 default-pragma callback to implement -Wunknown-pragmas if
4712 * c-parse.in: Move all includes to top of file.
4713 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4715 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4717 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4719 * arm.h, arm-protos.h, arm.c,
4720 c4x.h, c4x-protos.h, c4x.c,
4721 h8300.h, h8300-protos.h, h8300.c,
4722 i370.h, i370-protos.h, i370.c,
4723 i960.h, i960-protos.h, i960.c,
4724 sh.h, sh-protos.h, sh.c,
4725 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4726 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4728 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4729 multiple include guard.
4730 * i370.md (untyped_call): Use GEN_CALL.
4731 (umodsi3): Remove unused variable.
4732 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4733 * v850.c (output_move_single, output_move_double): Constify
4735 (print_operand): Constify a char *.
4736 * v850.h (struct small_memory_info): Constify name member.
4738 2000-09-07 Kazu Hirata <kazu@hxi.com>
4740 * config/h8300.h: Fix comment typos.
4741 * config/h8300/h8300.md: Likewise.
4742 * config/h8300/lib1funcs.asm: Likewise.
4744 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4746 * Makefile.in: Remove references to cppulp.{c,o}.
4747 * cppinit.c (initialize_builtins, cpp_start_read,
4748 cpp_handle_option): Update to use cpp_options structure.
4751 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4753 * c-common.c (time_char_table): Allow %#b and %#h.
4755 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4757 * reorg.c (find_end_label): If the basic block reorder pass moves the
4758 return insn to some other place try to locate it again and put our
4759 end_of_function_label there.
4760 * reorg.c (relax_delay_slots): Check if find_end_label created a
4761 new label that invalidates the current optimazation.
4763 2000-09-07 Catherine Moore <clm@redhat.com>
4765 * unroll.c (unroll_loop): Check for unconditional jumps
4766 to loop continuation. Delete if n_iterations is 1.
4767 (ujump_to_loop_cont): New routine.
4769 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4771 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4773 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4774 to handle multiword modes correctly. All callers and the declaration
4777 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4779 * c-common.h (prep_stmt): Declare.
4780 (lang_expand_stmt): Likewise.
4781 * c-decl.c (lang_expand_stmt): Remove.
4782 * c-semantics.c (lang_expand_stmt): Define.
4783 (prep_stmt): New function.
4784 (expand_stmt): Handle common statement types here.
4786 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4788 * configure.in (sh-*-linux*): Added.
4789 * configure: Rebuilt.
4790 * config/sh/t-linux: New file.
4791 * config/sh/sh.h (USERMODE_BIT): Define.
4792 (TARGET_USERMODE): Likewise.
4793 (TARGET_SWITCHES): New switches for the bits above.
4794 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4795 * config/sh/linux.h: New file.
4796 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4797 underscore on linux.
4798 (L_sdivsi3, L_udivsi3): Define for linux.
4799 (L_ic_invalidate): Define.
4800 * invoke.texi (SH Options): Document -musermode.
4802 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4804 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4805 CSE unless generating PIC.
4807 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4810 2000-09-06 H.J. Lu (hjl@gnu.org)
4812 * Makefile.in (clean_s1): Depend on stage_b.
4813 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4814 stage2. They are used for "make compare".
4816 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4818 Move statement-tree facilities from C++ to C front-end.
4819 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4820 (void_zero_node): New macro.
4821 (struct stmt_tree_s): New type.
4822 (stmt_tree): New typedef.
4823 (struct language_function): New type.
4824 (last_tree): New macro.
4825 (last_expr_type): Likewise.
4826 (walk_tree_fn): New typedef.
4827 (current_stmt_tree): New function.
4828 (begin_stmt_tree): Likewise.
4829 (add_stmt): Likewise.
4830 (finish_stmt_tree): Likewise.
4831 (statement_code_p): Likewise.
4832 (lang_statement_code_p): New variable.
4833 (walk_stmt_tree): New function.
4834 (STMT_IS_FULL_EXPR_P): New macro.
4835 * c-common.c (lang_statement_code_p): New variable.
4836 (c_common_nodes_and_builtins): Initialize void_zero_node.
4837 (statement_code_p): New function.
4838 (walk_stmt_tree): Likewise.
4839 * c-decl.c (language_function): Rename to ...
4840 (c_language_function): ... this. Include language_function.
4841 (push_c_function_context): Adjust accordingly.
4842 (pop_c_function_context): Likewise.
4843 (mark_c_function_context): Likewise.
4844 (current_stmt_tree): Define.
4845 * c-semantics.c (begin_stmt_tree): New function.
4846 (add_stmt): Likewise.
4847 (prune_unused_decls): Likewise.
4848 (finish_stmt_tree): Likewise.
4850 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4852 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4854 2000-09-06 Kazu Hirata <kazu@hxi.com>
4856 * calls.c: Fix formatting.
4858 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4860 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4862 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4864 Integrated preprocessor.
4866 * Makefile.in: Remove all references to c-parse.gperf,
4867 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4868 generating c-parse.c. Update dependencies.
4869 * c-parse.gperf, c-gperf.h: Delete.
4871 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4872 yy_lim, or yy_get_token. Don't define get_directive_line if
4874 * c-common.h: Add multiple include guard. Define RID values
4875 for every keyword in C, C++, and Objective C. Put all the
4877 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4878 * c-decl.c (c_decode_option): Handle -lang-objc here.
4879 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4880 (grokdeclarator): Adjust for new RID scheme.
4881 (extract_interface_info): New stub.
4882 * c-lang.c: Don't declare yy_cur or parse_options.
4883 (lang_init_options): Call cpp_init. Don't call
4885 (lang_init): Don't call check_newline if USE_CPPLIB.
4887 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4888 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4889 rendered unnecessary by new architecture. Move routines not
4890 shared with C++ to c-parse.in. Maintain a local idea of the
4891 line number. Handle C++ as well as C.
4892 [USE_CPPLIB]: Declare and register callbacks for #ident and
4893 for entering/leaving files.
4894 (init_c_lex, c_lex): Are now the entry points to this file.
4895 (check_newline): Break out directive handling to
4897 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4899 (readescape, parse_float): Overhaul.
4900 (lex_number, lex_string, lex_charconst): Break out of c_lex
4902 (get_fileinfo, update_header_times, dump_one_header,
4903 dump_time_statistics): New and/or moved here from C++.
4904 Support per-file data needed by C++ and per-header timing
4905 statistics (C++ only, at the moment).
4906 * c-lex.h: Update prototypes. Add multiple include guard.
4907 * c-tree.h (struct lang_identifier): Add rid_code field.
4908 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4910 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4911 reinit_parse_for_function and/or position_after_white_space.
4912 (save_filename, save_lineno): Look ahead before saving.
4913 (label -> identifier ':'): Save file and line before shifting ':'.
4914 (reservedwords): No need to call get_identifier.
4915 (init_parse, finish_parse, yyerror, yylex, yyprint,
4916 make_pointer_declarator): Are now here for C/ObjC.
4917 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4919 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4920 #pragma registry. Provide dummy implementation of that
4921 interface if !USE_CPPLIB.
4922 * c-pragma.h: Update to match.
4924 * flags.h: Add multiple include guard.
4925 (flag_detailed_statistics): Moved here from C++.
4926 * toplev.c: Define flag_detailed_statistics.
4928 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4930 * timevar.def (TV_CPP, TV_LEX): New.
4931 * timevar.h: Add multiple include guard.
4933 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4935 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4936 Initialize cpplib properly. Force lineno to 0 after first
4937 call to check_newline. Don't handle -lang-objc here.
4938 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4940 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4942 * rs6000.md: Correct function unit definitions for cr_logical and
4944 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4945 and use portable method for >=0 and floating point >=. Remove
4946 associated matchers.
4948 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4950 * extend.texi: Mark named return value extension as deprecated.
4952 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4954 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4957 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4959 * toplev.c (display_help): Fix thinko in documentation.
4961 * diagnostic.h (output_buffer::indent_skip): New fields.
4962 (output_indentation): New macro.
4964 * diagnostic.c (output_indent): New function.
4965 (output_set_prefix, clear_diagnostic_info): Use.
4966 (output_emit_prefix): Predict future indentation.
4968 2000-09-06 DJ Delorie <dj@redhat.com>
4970 * Makefile.in (stage_*): add more dependencies to ensure parallel
4971 builds build correctly
4973 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4975 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4976 not bootstrap-lean_f.
4978 2000-09-06 Andreas Schwab <schwab@suse.de>
4980 * mklibgcc.in: Emit rule for libgcc-stage-start.
4981 * Makefile.in (stage1-start, stage2-start, stage3-start,
4982 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4984 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4986 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4987 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4988 (combine_regs): Likewise.
4990 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4991 * cse.c: Include "basic-block.h".
4992 (struct table_elt): New field REGCOST.
4993 (CHEAP_REG): Delete macro.
4994 (COST): Return 0 for REGs.
4995 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4996 (notreg_cost): Return 0 for appropriate SUBREGs.
4997 (COSTS_N_INSNS): Return N * 2.
4998 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5000 (CHEAPER): Use new function preferrable.
5001 (insert): Initialize REGCOST member.
5002 (find_best_addr): Use approx_reg_cost for estimation of register
5004 (cse_insn): Likewise.
5005 * loop.c (iv_add_mult_cost): New function.
5006 (add_cost, shift_cost, mult_cost): Delete variables.
5007 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5008 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5009 Make code that detects autoinc opportunities slightly less optimistic.
5010 (simplify_giv_expr): If expression contains other reg that is also a
5011 giv, only increment benefit if this is the only use of that reg.
5012 (consec_sets_giv): Take that change into account.
5013 (combine_givs): Slightly more verbose output.
5015 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5016 not the cost of an equivalent shift.
5017 * sh-protos.h (addsubcosts): Declare.
5018 * sh.c (addsubcosts): New function.
5019 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5020 (RTX_COSTS): Tweak. Use addsubcosts.
5021 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5023 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5025 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5026 (branch_comparison_operator): Call validate_condition_mode to
5027 abort rather than returning 0.
5028 (branch_positive_comparison_operator): New function.
5029 (scc_comparison_operator): Call validate_condition_mode to abort
5030 rather than returning 0.
5031 (ccr_bit): Call validate_condition_mode. Update for
5033 (print_operand): Delete %C modifier. Update %E case
5034 to use EQ bit not SO bit.
5035 (rs6000_reverse_condition): New function.
5036 (rs6000_generate_compare): New function.
5037 (rs6000_emit_sCOND): New function.
5038 (rs6000_emit_cbranch): New function.
5039 (output_cbranch): The length of a long branch insn is
5040 now only 8 bytes. Add validate_condition_mode. Use
5041 rs6000_reverse_condition. Remove cror generation.
5043 * config/rs6000/rs6000.h: Update comments.
5044 (PREDICATE_CODES): Add new predicate. Update codes used
5045 by branch_comparison_operator and scc_comparison_operator.
5046 * config/rs6000/rs6000-protos.h: Add prototypes for
5047 new external functions.
5048 * config/rs6000/rs6000.md: Add new scheduling parameters
5049 for cr_logical instructions. Change length of branch
5051 (bCOND patterns): Call rs6000_emit_cbranch.
5052 (sCOND patterns): Call rs6000_emit_sCOND.
5053 (branch patterns): Change lengths to 4.
5054 (cr logical patterns): New.
5056 2000-09-06 Richard Henderson <rth@cygnus.com>
5058 * config/i386/i386.md (call_pop): Fix test for setting
5059 current_function_uses_pic_offset_table.
5060 (call, call_value_pop, call_value): Likewise.
5062 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5064 * timevar.c (timevar_add): Delete.
5065 (timevar_get): Also count time since the selected timer was
5066 last updated. Do not examine the timevar stack if the
5067 selected timer is standalone.
5069 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5071 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5073 2000-09-05 Jason Merrill <jason@redhat.com>
5075 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5076 for 'extern' arrays.
5078 2000-09-05 Richard Henderson <rth@cygnus.com>
5080 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5081 Eliminate final copy from non-trapping case.
5082 (__divdf3, __divsf3): Likewise.
5084 2000-09-05 Richard Henderson <rth@cygnus.com>
5086 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5087 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5089 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5091 * Makefile.in: Restructure bootstrap stages to allow clean
5092 restart after failure.
5094 2000-09-05 Richard Henderson <rth@cygnus.com>
5096 * config/ia64.md (movsi and movdi patterns): Allow moves from
5097 8-bit constants to AR registers.
5099 2000-09-05 Richard Henderson <rth@cygnus.com>
5101 * config/ia64/ia64.md (mulhi3): New.
5103 2000-09-05 Richard Henderson <rth@cygnus.com>
5105 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5106 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5107 Optimization Guide, minimum latency alternative.
5108 (__moddi3, __udivdi3, __umoddi3): Likewise.
5109 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5111 2000-09-05 Bruce Korb <bkorb@gnu.org>
5113 * fixinc/fixincl.c (load_file): always read header files
5114 with sizes that are a multiple of the page size.
5115 & use libiberty's getpagesize for determining that.
5117 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5119 * gcse.c (hash_string_1): Add prototype.
5120 * cse.c (canon_hash_string): Likewise.
5122 2000-09-04 Craig Newell <CraigN@ieee.org>
5124 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5126 2000-09-04 Andreas Schwab <schwab@suse.de>
5128 * Makefile.in (STAGESTUFF): Remove libgcc.
5129 (stage1-start, stage2-start, stage3-start): Copy the contents of
5130 the libgcc directory explicitly.
5131 (mostlyclean): Clean libgcc.
5133 2000-09-04 Andrew Haley <aph@redhat.com>
5135 * dwarf2out.c: (stack_adjust_offset): New prototype.
5137 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5139 * combine.c (make_extraction): Fix rtx_cost comparison to
5142 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5144 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5145 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5146 Add '*' to insn pattern name.
5148 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5150 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5151 use posn - 1 to index into tokens array.
5152 (maybe_paste_with_next): Adjust caller.
5154 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5156 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5158 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5159 (REGNO_REG_CLASS): Use symbolic register
5162 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5164 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5165 recognized, don't try to conditionally execute it.
5167 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5169 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5170 (call_value_insn): Right length claculation.
5171 (call_insn): Likewise.
5173 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5175 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5176 gas_output_limited_string, gas_output_ascii, output_movqi,
5177 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5178 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5179 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5180 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5181 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5182 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5183 Add "const" as needed to remove warnings.
5185 * config/avr/avr.c (avr_override_options, avr_init_once,
5186 function_prologue, function_epilogue, frame_pointer_required_p,
5187 class_likely_spilled_p, order_regs_for_local_alloc,
5188 avr_address_cost, avr_ret_register): Use K&R style arguments.
5189 (initial_elimination_offset, gas_output_limited_string):
5190 Remove ATTRIBUTE_UNUSED from the used arguments.
5191 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5192 Use local variables src, dest, base to access operands[].
5193 Rename reg_dest to reg_src if that's what it is.
5194 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5195 constants to LD_REGS if reg_was_0.
5196 (output_reload_insisf): Change arg 3 to insn length and set it.
5197 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5198 access to 16-bit I/O register pairs.
5199 (avr_address_cost): Lower cost for the above case.
5200 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5201 may be clobbered, also for LD_REGS.
5202 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5205 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5207 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5208 macro to test_hard_reg_class function.
5209 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5210 for loading immediate constants to LD_REGS.
5211 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5214 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5216 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5217 * config/avr/libgcc.S: Lost part of the previous patch.
5219 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5221 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5222 object before calling pthread_mutex_init.
5224 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5226 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5227 config/sh/crtn.asm: New files.
5228 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5229 (crt1.o, crti.o, crtn.o): New targets.
5230 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5232 * configure: Rebuilt.
5233 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5234 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5235 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5236 Undefine for config/elfos.h to redefine.
5237 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5239 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5241 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5242 legitimize_pic_address, output_pic_addr_const): Declare.
5243 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5244 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5245 (TARGET_SWITCHES): New switch -mprefergot.
5246 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5247 (PIC_OFFSET_TABLE_REGNUM): Define.
5248 (GOT_SYMBOL_TABLE): Likewise.
5249 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5250 (ENCODE_SECTION_INFO): Define.
5251 (FINALIZE_PIC): New macros.
5252 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5253 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5254 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5255 (prepare_move_operands): Call emit_pic_move or
5256 emit_pic_const_move if appropriate.
5257 (output_far_jump): For PIC, use braf and output long offset.
5258 (machine_dependent_reorg):
5259 (sh_expand_prologue): Save and initialize the PIC register.
5260 (sh_expand_epilogue): Restore it.
5261 (initial_elimination_offset): Account for it.
5262 (nonpic_symbol_mentioned_p): New function.
5263 (legitimize_pic_address): Likewise.
5264 (output_pic_addr_const): Likewise.
5265 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5266 (call, call_value): Use them.
5267 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5268 symPLT_label2reg): New expands.
5269 * invoke.texi (SH Options): Document -mprefergot.
5271 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5273 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5274 * gcse.c (hash_string_1): New function.
5275 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5276 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5277 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5278 (canon_hash_string): New function.
5279 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5280 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5281 (fold_rtx): Use ASM_OPERANDS accessor macros.
5282 * emit-rtl.c (copy_insn_1): Likewise.
5283 * integrate.c (copy_rtx_and_substitute): Likewise.
5284 * stmt.c (expand_asm_operands): Likewise. Give an
5285 ASM_OPERANDS rtx the mode of the output reg being set from it.
5287 2000-09-01 Fred Fish <fnf@be.com>
5289 * fix-header.c (write_rbrac): Add putc and getc to list of
5290 functions to protect against prior definition as a macro.
5292 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5294 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5295 (c_size_type_node): Define.
5296 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5297 * c-common.c (enum format_lengths, enum format_std_version,
5298 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5299 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5300 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5301 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5302 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5303 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5304 format_types): Define.
5305 (format_char_info, print_char_table, scan_char_table,
5306 time_char_table): Rearrange for new organization of information
5307 about format length modifiers and standard versions.
5308 (T_ST): Redefine to use c_size_type_node.
5309 (check_format_info): Obtain information about length modifiers and
5310 standard versions from tables. Adjust warning message wordings.
5311 Use the name from the user's program for `ll' and `hh' length
5312 modifiers in warning messages. Use more informative names for
5313 wanted types where available (for wchar_t, wint_t, size_t, signed
5314 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5316 2000-09-01 Jim Wilson <wilson@cygnus.com>
5318 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5319 * combine.c (distribute_notes): Handle REG_NORETURN.
5320 * rtl.c (reg_note_name): Add REG_NORETURN.
5321 * rtl.h (enum reg_note): Likewise.
5323 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5325 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5326 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5327 (emit_predicate_relation_info): Handle conditional calls with
5329 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5330 instead of ia64_file_start.
5331 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5332 * config/ia64/ia64.md (safe_across_calls_all,
5333 save_across_calls_normal): New patterns.
5335 * loop.c (check_final_value): Check for biv use before checking for
5336 giv use. Check for both biv and giv uses. Always set last_giv_use
5337 if there is a giv use.
5339 2000-09-01 Richard Henderson <rth@cygnus.com>
5341 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5342 (madddi3): Likewise.
5345 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5347 * expr.c (clear_storage): Don't use emit_move_insn unless
5348 either BLKmode or proper size.
5349 (store_constructor): Don't call clear_storage if REG of wrong size.
5351 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5352 of function if returns wiht stack pointer depressed.
5354 2000-09-01 Andrew Haley <aph@redhat.com>
5356 * dwarf2out.c (stack_adjust_offset): New function.
5357 (dwarf2out_stack_adjust): Break out stack adjust logic into
5358 new stack_adjust_offset function. Look inside parallels and
5359 sequences for stack adjustments.
5361 2000-08-31 Jeff Law <law@cygnus.com>
5363 * arm.md: Use no_new_pseudos to determine when it is safe
5364 to create new pseudo registers.
5366 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5367 when we can safely allocate new registers.
5369 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5371 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5372 so that CONCATs are not generated for ASMs.
5373 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5374 not generating_concat_p.
5375 * function.c (pop_function_context_from): Reset
5376 generating_concat_p.
5377 (prepare_function_start): Likewise.
5378 * rtl.c (generating_concat_p): Define.
5379 * rtl.h (generating_concat_p): Declare.
5380 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5382 2000-08-22 Philipp Thomas <pthomas@suse.de>
5383 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5385 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5388 2000-08-30 Greg McGary <greg@mcgary.org>
5390 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5391 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5392 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5394 2000-08-30 Greg McGary <greg@mcgary.org>
5396 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5397 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5398 (TREE_INT_CST): New macro.
5399 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5400 Use new macro TREE_INT_CST.
5402 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5404 * contrib.texi: Add self.
5406 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5408 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5409 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5412 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5414 * fixinc/gnu-regex.c: Don't define `const'.
5416 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5418 * expr.c (store_constructor): Allow variable bounds of array type.
5419 (expand_expr): Don't blow up if type is ERROR_MARK.
5420 * varasm.c (output_constructor): Don't access lower bound of array
5421 type unless need it if index is supplied (so it can be a variable
5422 if no index is supplied).
5423 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5424 Other minor cleanups.
5426 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5428 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5429 for compilations in stage 1 and subsequent stages, respectively.
5430 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5431 * configure: Rebuilt.
5432 * x-vax, x-vax-gcc: Deleted.
5434 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5436 * c-common.c (declare_function_name): Use func_id_node,
5437 function_id_node, and pretty_function_id_node. Do not make
5438 __func__ visible at file scope.
5439 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5440 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5441 (function_id_node, pretty_function_id_node, func_id_node): New
5443 * c-decl.c (init_decl_processing): Initialize function_id_node,
5444 pretty_function_id_node, and func_id_node.
5445 (c_make_fname_decl): Correct comment.
5447 * tree.h (struct tree_identifier): Constify pointer member.
5449 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5450 * c-pragma.h (struct weak_syms): Constify name and value members.
5451 (add_weak): Constify arguments.
5453 * calls.c (special_function_p): Constify a char *.
5454 (expand_call): Remove variable which is initialized and then
5456 * dependence.c (struct def_use, struct induction, struct subscript):
5457 Constify 'variable' member.
5458 (get_low_bound, have_induction_variable): Constify char * argument.
5459 (find_induction_variable): Add braces to avoid dangling else.
5460 (classify_dependence): Constify char * arrays.
5461 * profile.c (output_func_start_profiler): Constify a char *.
5462 * stor-layout.c (finalize_record_size): Constify a char *.
5463 * tree.c (is_attribute_p): Constify a char *.
5464 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5466 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5467 for comprehensibility. Do not call get_identifier if we did
5468 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5469 create temporary string constants, not ggc_alloc_string. No
5470 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5471 char * to hold IDENTIFIER_POINTERs.
5473 2000-08-29 Richard Henderson <rth@cygnus.com>
5475 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5478 2000-08-29 Richard Henderson <rth@cygnus.com>
5480 * reload.c (push_secondary_reload): Allow class == reload_class
5481 if we're using a reload_in/out pattern.
5483 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5484 the half that does not conflict with the reload register.
5485 (reload_outti): Likewise.
5487 2000-08-29 Kazu Hirata <kazu@hxi.com>
5489 * reload.c: Fix formatting.
5491 * stmt.c: Fix formatting.
5493 * gcc.c: Fix formatting.
5495 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5497 * flags.h (time_report, mem_report): New global flags.
5498 * toplev.c: Define time_report and mem_report.
5499 (f_options): Add -ftime-report and -fmem-report.
5500 (compile_file): Turn on time_report if quiet_flag is off.
5501 Call ggc_print_statistics at very end if mem_report is on.
5502 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5504 * ggc-common.c (ggc_print_statistics): Rename to
5505 ggc_print_common_statistics; all callers changed. Scale
5506 quantities above 10K to kilobytes and above 10M to megabytes.
5507 * ggc-page.c (ggc_page_print_statistics): Rename to
5508 ggc_print_statistics. Report memory consumed by internal data
5509 structures for each allocation bucket. Scale quantities above
5510 10K to kilobytes and above 10M to megabytes.
5511 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5512 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5513 Define tally_leaves always.
5514 (ggc_print_statistics): New function.
5515 * ggc.h: Adjust for renamed functions.
5517 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5519 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5520 output_movsisf instead of which_alternative.
5522 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5524 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5526 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5527 (avr_progmem_p): New prototype.
5528 (output_movsisf): Prototype declaration changed.
5529 (output_movqi): New prototype.
5530 (output_movhi): New prototype.
5531 (call_insn_operand): Likewise.
5532 (final_prescan_insn): Likewise.
5533 (avr_simplify_comparision_p): Likewise.
5534 (avr_normalize_condition): Likewise.
5535 (compare_eq_p): Likewise.
5536 (out_shift_with_cnt): Likewise.
5537 (const_int_pow2_p): Likewise.
5538 (output_reload_inhi): Prototype declaration changed.
5540 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5541 (ldi_reg_rtx): New. rtx for r31.
5542 (avr_init_stack): Initialize as "__stack".
5543 (function_prologue): Use it.
5544 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5545 (avr_mcu_name): Initialize as "avr2".
5546 (avr_enhanced_p, avr_mega_p): New variables.
5547 (mcu_types, avr_override_options): Handle all known MCU types.
5548 Also handle avr1 (only preprocess, assemble and link).
5549 (print_operand): Using of `%K' in output template removed.
5550 (out_movqi_r_mr): Optimized.
5551 (out_movhi_r_mr): Likewise.
5552 (output_movqi): New function.
5553 (output_movhi): Likewise.
5554 (out_movsi_r_mr): Optimized.
5555 (output_movsisf): Compute insn length for `adjust_insn_length'
5556 (out_movqi_mr_r): Optimized.
5557 (out_movhi_mr_r): Optimized.
5558 (adjust_insn_length): Use output_movsisf, output_movqi,
5559 output_movhi for insn length adjusting.
5560 (reg_unused_after): Use dead_or_set_p.
5561 (preferred_reload_class): Now havn't any restriction.
5562 (reg_was_0): New function.
5563 (io_address_p): Likewise.
5564 (const_int_pow2_p): Likewise.
5565 (output_reload_inhi): Likewise.
5566 (output_reload_insisf): Likewise.
5568 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5569 (LIB_SPEC): Use -lc for all supported devices.
5570 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5571 (AVR_MEGA): Define as avr_mega_p.
5572 (AVR_ENHANCED): New, define as avr_enhanced_p.
5573 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5574 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5575 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5576 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5577 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5578 (ASM_SPEC): Pass -mmcu=... to the assembler.
5579 Change all -DAVR_* to -D__AVR_*__.
5580 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5581 Rename library functions to start with two underscores.
5582 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5584 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5585 (SUPPORTS_WEAK): Likewise.
5586 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5587 register for loading constants to r0-r14.
5589 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5591 (*mov_r_sp): Removed. Handled by output_movhi.
5592 (*mov_sp_r): Likewise.
5593 (*mov_sp_r_no_interrupts): Likewise
5594 (*mov_sp_r_tiny): Likewise.
5595 (*movqi): Use output_movqi.
5596 (*reload_inqi): New.
5597 (*movhi): Use output_movhi.
5598 (*reload_inhi): New.
5599 (*negsi2): Optimized.
5600 (*negsf2): Likewise.
5601 Added peepholes (define_peephole2) for loading constants to r0-r14
5602 and for using `cpse' command.
5604 * config/avr/libgcc.S: Rename library functions to start with two
5606 Add support for enhanced core.
5607 (_moqhi3): Fix typo, now _modqi3.
5608 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5609 (__prologue_saves__): Remove test for stack adjust by 0.
5610 (__tablejump__): New.
5612 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5613 Add multilib support.
5615 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5617 * loop.c (prescan_loop): Don't check unknown_address_altered
5618 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5619 to loop_store_mems as necessary.
5620 (loop_invariant_p): Don't check unknown_address_altered
5621 or unknown_constant_address_altered.
5623 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5625 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5627 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5629 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5630 print just the filename.
5631 * cpplex.c (_cpp_run_directive): Add additional argument, the
5632 name to give the synthetic buffer. This defaults to
5633 translated "<command line>".
5634 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5636 (_cpp_define_builtin): New function.
5637 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5638 * cpphash.h: Update prototypes.
5640 * tradcpp.c (main): Process -D and -U simultaneously, in the
5641 order they appeared on the command line.
5643 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5645 * c-decl.c (define_label): Call warning_with_file_and_line and
5646 error_with_file_and_line instead of plain warning or error.
5648 * c-parse.in (label): Use save_filename/save_lineno to ensure
5649 correct values for calls to define_label.
5651 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5653 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5655 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5657 * tree.h (get_file_function_name): Remove two duplicate
5660 2000-08-28 Kazu Hirata <kazu@hxi.com>
5662 * tree.c: Fix formatting.
5664 * xcoffout.c: Fix formatting.
5666 2000-08-28 Jason Merrill <jason@redhat.com>
5668 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5670 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5672 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5673 break_out_includes if it won't do anything.
5675 2000-08-28 Richard Henderson <rth@cygnus.com>
5677 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5678 (find_reloads): Likewise.
5679 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5680 (reload_inhi): Likewise.
5682 2000-08-28 Richard Henderson <rth@cygnus.com>
5684 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5685 (call_insn_operand): Don't expect a surrounding mem.
5686 (constant_call_address_operand): Likewise.
5687 * config/i386/i386.h (PREDICATE_CODES): Update.
5688 * config/i386/i386.md (call patterns): Move the match_operand
5689 for the call destination inside the mem.
5691 2000-08-28 Richard Henderson <rth@cygnus.com>
5693 * local-alloc.c (requires_inout): Don't use reserved range for
5694 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5695 * recog.c (asm_operand_ok): Likewise.
5696 (preprocess_constraints, constrain_operands): Likewise.
5697 * regclass.c (record_reg_classes): Likewise.
5698 * reload.c (find_reloads): Likewise.
5699 * reload1.c (maybe_fix_stack_asms): Likewise.
5700 (reload_cse_simplify_operands): Likewise.
5701 * stmt.c (expand_asm_operands): Likewise.
5703 * md.texi: Update constraints documentation.
5704 * tm.texi (EXTRA_CONSTRAINT): Update.
5706 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5708 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5709 (print_die): If we don't know the offset of the
5710 target die, try the symbol. Add a trailing newline.
5711 (reverse_all_dies): New fn.
5712 (dwarf2out_finish): Call it.
5713 (break_out_includes): Reorganize for clarity.
5714 (add_sibling_attributes): Don't call reverse_die_lists.
5715 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5717 * flags.h: Add flag_eliminate_dwarf2_dups.
5718 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5720 2000-08-28 Jason Merrill <jason@redhat.com>
5722 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5723 * dwarf2out.c: #include "md5.h".
5724 (DIE_LABEL_PREFIX): New macro.
5725 (dw_val_struct): Add 'external' flag to val_die_ref.
5726 (add_AT_die_ref, AT_ref): Adjust.
5727 (AT_ref_external, set_AT_ref_external): New fns.
5728 (build_abbrev_table): Call set_AT_ref_external.
5729 (value_format): Call AT_ref_external.
5730 (die_struct): Add die_symbol field.
5731 (new_die): Clear it.
5732 (dwarf_tag_name): Handle BINCL/EINCL.
5733 (dwarf2out_start_source_file): Add BINCL DIE.
5734 (dwarf2out_end_source_file): Add EINCL DIE.
5735 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5736 (loc_checksum, attr_checksum, die_checksum): New fns.
5737 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5738 (compute_section_prefix, assign_symbol_names): New fns.
5739 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5740 (output_die): Call output_die_symbol and AT_ref_external.
5741 (output_comdat_comp_unit): New fn, split out from...
5742 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5744 (output_pubnames, output_aranges): Abort if we see entries from
5746 * toplev.h: Declare file_name_nondirectory.
5747 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5748 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5749 (debug_start_source_file): Call dwarf2out_start_source_file
5750 regardless of debug verbosity.
5751 (debug_end_source_file): Similarly.
5752 * tree.h: Declare clean_symbol_name.
5753 * tree.c (clean_symbol_name): Split out from...
5754 (get_file_function_name_long): ...here.
5756 * dwarf2out.c (new_loc_descr): Use calloc.
5757 (splice_child_die): Remove the die from the right parent.
5758 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5760 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5762 * toplev.c (decode_g_option): Don't give warning for unknown -g
5763 option; return 0 instead.
5764 (main): If -g option is not recognized by front end or
5765 language-independent code, give warning.
5767 2000-08-28 Greg McGary <greg@mcgary.org>
5769 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5770 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5771 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5773 2000-08-27 Greg McGary <greg@mcgary.org>
5775 * cpplex.c (parse_string): Don't look for backslash
5776 before first char in `namebuf'.
5777 * loop.c (strength_reduce): Skip NOTEs.
5779 2000-08-27 Jason Merrill <jason@redhat.com>
5781 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5782 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5783 TREE_ASM_WRITTEN, either.
5784 (finish_decl): Adjust.
5786 2000-08-28 Philipp Thomas <pthomas@suse.de>
5788 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5789 they have been incorporated into the gettext CVS. Change the text to
5790 reflect the current status of NLS. Add instructions for accessing
5791 the gettext CVS and add the patch from Martin v. Loewis.
5793 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5795 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5796 by using gen_lowpart_common.
5797 (movdi_internal64+6): Likewise.
5799 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5801 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5804 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5805 numbers to the ranges used by GDB.
5807 2000-08-25 Richard Henderson <rth@cygnus.com>
5809 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5810 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5811 (ia64_expand_prologue): Likewise.
5812 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5813 argument for stdargs.
5815 2000-08-25 Jason Merrill <jason@redhat.com>
5817 * integrate.c (expand_inline_function): Pull out the original decl.
5819 2000-08-25 Jim Wilson <wilson@cygnus.com>
5821 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5823 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5825 2000-08-25 Greg McGary <greg@mcgary.org>
5827 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5828 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5830 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5832 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5834 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5836 * i386.c (ix86_find_base_term): New.
5837 * i386-protos.h (ix86_find_base_term): Prototype.
5838 * i386.h (FIND_BASE_TERM): Define.
5839 * alias.c (find_base_term): Use it.
5840 * tm.texi (FIND_BASE_TERM): Document it.
5842 * alias.c (true_dependence, write_dependence_p): Unchanging
5843 memory can't conflict with non-unchanging memory.
5845 * alias.c (memrefs_conflict_p): A BLKmode reference
5846 to a symbol (or CONST_INT address) always conflicts
5847 with a reference to another symbol.
5849 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5851 * c-common.c (time_char_table): Don't allow width and flags with
5854 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5856 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5857 way as LT and LTU when the second operand has 0 in low word.
5859 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5861 * basic-block.h (struct loop): Rename `exits' field to
5862 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5864 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5865 (flow_loop_entry_edges_find): Add.
5866 (flow_edge_list_print): Rename from flow_exits_print.
5867 (flow_loops_find): Call flow_loop_entry_edges_find.
5868 (flow_loop_dump): Dump entry_edges list.
5869 (flow_loops_free): Free entry_edges.
5871 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5873 * loop.c (loop_dump_aux, debug_loop): New functions.
5874 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5876 * flow.c (flow_loops_dump): Add callback parameter.
5877 (flow_loop_dump): Add callback parameter and call it. Move
5878 loop note debugging code to loop_dump_aux.
5880 * basic-block.h (flow_loop_dump): Add callback parameter
5881 (flow_loops_dump): Likewise.
5883 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5884 to call to flow_loops_dump.
5886 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5888 * loop.c (count_loop_regs_set): Replace start and end arguments
5889 with loop argument. All callers udated.
5891 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5893 * loop.c (constant_high_bytes): Delete.
5895 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5897 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5898 and NOTE_INSN_LOOP_VTOP to...
5899 (find_and_verify_loops) ...here.
5901 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5903 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5904 (fini_dummy, init_dummy): Use it.
5906 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5908 * cpplex.c (is_macro_disabled): Caller has already checked
5909 that we're not a preprocessed file.
5911 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5913 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5914 (c-iterate.o): Remove target.
5915 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5916 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5917 (finish_decl): Don't handle iterators.
5918 (grokdeclarator): Likewise.
5919 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5920 * gcc/c-gperf.h: Regenerated.
5921 * gcc/c-iterate.c: Removed.
5922 * gcc/c-lex.c (init_lex): Don't handle iterators.
5923 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5924 (compstmt_primary_start): Remove push_iterator_stack call.
5925 (stmt): Don't allow iterator statements. Replace iterator_expand
5926 with expand_expr_stmt.
5927 (all_iter_stmt): Remove.
5928 (all_iter_stmt_simple): Likewise.
5929 (all_iter_stmt_with_decl): Likewise.
5930 * gcc/c-tree.h (ITERATOR_P): Remove.
5931 (ITERATOR_BOUND_P): Likewise.
5932 (init_iterators): Remove declaration.
5933 (iterator_expand): Likewise.
5934 (iterator_for_loop_start): Likewise.
5935 (iterator_for_loop_end): Likewise.
5936 (iterator_for_loop_record): Likewise.
5937 (push_iterator_stack): Likewise.
5938 (pop_iterator_stack): Likewise.
5939 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5940 (readonly_warning): Likewise.
5941 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5943 2000-08-24 Jim Wilson <wilson@cygnus.com>
5945 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5946 Copy type in a TYPE_DECL, just like pushdecl does.
5948 2000-08-24 Richard Henderson <rth@cygnus.com>
5950 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5952 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5954 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5955 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5956 the extras on the free list.
5957 (release_pages): Clean up.
5958 (ggc_set_mark): Don't adjust G.allocated here...
5959 (sweep_pages): ... do it here.
5961 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5963 * cppfiles.c (read_include_file): Rearrange initializations.
5965 2000-08-24 Richard Henderson <rth@cygnus.com>
5967 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5969 * config/ia64/ia64-protos.h: Update.
5970 * config/ia64/ia64.c (gr_register_operand): New.
5971 (fr_register_operand, grfr_register_operand): New.
5972 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5973 (grfr_reg_or_8bit_operand): New.
5974 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5975 use gr_register_operand.
5976 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5977 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5978 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5979 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5980 (fr_reg_or_fp01_operand): Likewise.
5981 (not_postinc_memory_operand): New.
5982 (ia64_split_timode): Remove unused variables.
5983 (rtx_needs_barrier): Check arguments to cmpxchg.
5984 (builtin_description): Remove.
5985 (bdesc_2argsi, bdesc_2argdi): Remove.
5986 (ia64_init_builtins): Declare all builtins directly.
5987 (ia64_expand_fetch_and_op): Rewrite to be called from
5988 ia64_expand_builtin directly. Use expand_binop and co.
5989 (ia64_expand_op_and_fetch): Likewise.
5990 (ia64_expand_compare_and_swap): Likewise.
5991 (ia64_expand_binop_builtin): Remove.
5992 (ia64_expand_lock_test_and_set): New.
5993 (ia64_expand_lock_release): New.
5994 (ia64_expand_builtin): Use them.
5995 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5996 (EXTRA_CONSTRAINT): Use it.
5997 (PREDICATE_CODES): Update.
5998 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5999 (mf): Indicate that we set memory as well as use it.
6000 (fetchadd_acq_si): Show memory being modified as well.
6001 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6002 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6003 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6004 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6005 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6006 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6007 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6008 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6009 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6010 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6011 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6012 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6013 return type. Pretty print definitions.
6015 2000-08-24 Jim Wilson <wilson@cygnus.com>
6017 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6018 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6020 2000-08-24 Jason Merrill <jason@redhat.com>
6022 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6023 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6024 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6025 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6027 2000-08-24 Greg McGary <greg@mcgary.org>
6029 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6030 and extendtab within their proper array boundaries.
6031 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6032 for the entire array.
6034 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6035 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6036 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6037 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6038 * config/i386/dgux.c (output_options): Likewise.
6039 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6040 * config/m88k/m88k.c (output_options): Likewise.
6041 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6042 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6043 layout_mcore_frame, handle_structs_in_regs): Likewise.
6044 * config/mips/mips.c (output_block_move): Likewise.
6045 * config/rs6000/rs6000.c (rs6000_override_options,
6046 rs6000_file_start): Likewise.
6047 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6048 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6049 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6050 * builtins.c (expand_builtin_setjmp): Likewise.
6051 * expr.c (safe_from_p): Likewise.
6052 * flow.c (life_analysis): Likewise.
6053 * fold-const.c (size_int_type_wide): Likewise.
6054 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6055 * genattrtab.c (make_length_attrs): Likewise.
6056 * genopinit.c (gen_insn): Likewise.
6057 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6058 * global.c (global_alloc): Likewise.
6059 * local-alloc.c (find_free_reg): Likewise.
6060 * mips-tdump.c (print_symbol): Likewise.
6061 * mips-tfile.c (parse_def, parse_input): Likewise.
6062 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6063 * stmt.c (expand_nl_goto_receiver): Likewise.
6064 * stor-layout.c (set_sizetype): Likewise.
6065 * varasm.c (decode_reg_name): Likewise.
6066 * toplev.c (decode_f_option, decode_W_option,
6067 set_target_switch, print_switch_values): Likewise.
6068 (NUM_ELEM): Remove macro.
6069 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6071 2000-08-24 Greg McGary <greg@mcgary.org>
6073 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6074 (MAIN_NAME_P, main_identifier_node): New macros.
6075 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6076 * c-decl.c (start_decl, grokdeclarator, start_function,
6077 store_parm_decls, finish_function): Use MAIN_NAME_P.
6078 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6079 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6080 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6081 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6083 2000-08-24 Greg McGary <greg@mcgary.org>
6085 * cppfiles.c (actual_directory): Don't write beyond `dir'
6086 when it contains "".
6087 * real.c (asctoeg): Stay within bounds of etens[][].
6089 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6091 * dependence.c (dependence_string, direction_string,
6092 dump_one_node, dump_node_dependence): Hide unused identifiers.
6093 (get_low_bound, normalize_coefficients): Match definition to
6095 (get_one_coefficient): Initialize variables `value0_is_idx' and
6097 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6098 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6099 (direction_merge): Avoid automatic aggregate initialization.
6100 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6101 Initialize variables `dest_idx' and `src_idx'.
6102 (end_dependence_analysis): Avoid C89 style function definition.
6104 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6106 * c-common.c (time_char_table): Don't allow width with %F.
6107 (check_format_info): Don't allow "Z" length with scanf.
6109 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6111 * diagnostic.c (finish_diagnostic): Define.
6112 (output_do_printf): Use wrap_text instead of output_add_string.
6113 (default_print_error_function): Avoid embedded '\n'.
6115 * diagnostic.h (flush_diagnostic_buffer): Declare.
6117 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6119 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6121 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6123 * Makefile.in (GCC_PASSES): Add specs.
6125 2000-08-23 Jim Wilson <wilson@cygnus.com>
6127 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6128 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6129 EHANDLER nor UHANDLER bit is set.
6130 (__get_except_table): Likewise.
6132 2000-08-23 Nick Clifton <nickc@redhat.com>
6134 * config/arm/lib1funcs.asm: Replace upper case condition codes
6135 with lower case versions.
6137 * config/arm/arm.h (STRUCT_VALUE): Define.
6138 (STRUCT_VALUE_REGNUM): Delete.
6140 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6142 * cpphash.h (IN_I): New flag for directive table.
6143 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6145 (_cpp_check_directive): If -fpreprocessed, execute directives
6146 marked with IN_I. Issue no warnings in this case.
6147 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6149 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6151 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6153 (check_format_info): Support printf 'I' flag; warn about it with
6156 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6158 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6159 barrier can't be ignored by the alias analysis code.
6161 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6163 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6164 works inside fixincl.
6166 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6168 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6169 simplify_relational_operation() unless both operands are of
6171 * cse.c (fold_rtx): Likewise.
6173 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6175 * rtlanal.c (rtx_unstable_p): The pic register is stable
6176 (within one function) and the actual rtx should be used
6177 when checking the registers.
6178 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6180 * alias.c (true_dependence, write_dependence_p): Fix
6181 bug in previous patch.
6183 * i386.c (ix86_GOT_alias_set): New.
6184 (legitimize_pic_address): Use it.
6186 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6187 only stable if its address is stable.
6188 (rtx_varies_p): An unchanging MEM can't vary if
6189 its address doesn't vary.
6191 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6193 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6195 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6197 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6198 * x-vax-gcc: New file for bootstrapping with gcc.
6199 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6200 * configure.in: Use x-vax-gcc with gcc.
6201 * configure: Rebuilt.
6203 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6205 * toplev.c (rest_of_compilation): Rebuild label notes after
6206 post-reload splitting pass if new labels have been created.
6208 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6210 * diagnostic.h (output_buffer_state): New macro.
6211 * diagnostic.c (diagnostic_for_decl, sorry,
6212 default_print_error_function, output_do_verbatim,
6213 report_diagnostic, report_problematic_module): Use it.
6215 (output_format): Use wrap_text instead of maybe_wrap_text.
6217 2000-08-22 Nick Clifton <nickc@redhat.com>
6219 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6220 Common code for ARM divide and modulus functions.
6221 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6223 (FUNC_END): New macro: Common code at the end of the division and
6225 (THUMB_FUNCTION_START): New macro: Common code at the start of
6227 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6229 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6231 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6233 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6234 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6237 2000-08-22 Nick Clifton <nickc@redhat.com>
6239 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6240 restorative additions, test for bottom bits of IP being set,
6241 rather than relying upon the RORs not matching.
6244 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6246 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6247 text_section() as appropriate instead of emitting text csect
6249 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6250 (UNIQUE_SECTION): Define macro.
6251 (ASM_OUTPUT_SECTION_NAME): Define macro.
6252 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6253 on AIX if debugging and -fdata-sections always.
6255 2000-08-22 Steven King <sxking@uswest.net>
6257 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6259 (LDBL_MAX): Same here.
6261 2000-08-22 Richard Henderson <rth@cygnus.com>
6263 * flow.c (tidy_fallthru_edge): Update b->end properly.
6265 2000-08-22 Stan Cox <scox@redhat.com>
6267 * Makefile.in (OBJS): Add dependence.o.
6268 * dependence.c: New file.
6270 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6272 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6274 (check_sibcall_argument_overlap): Likewise.
6276 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6278 * invoke.texi (SH Options): Document -m4-nofpu,
6279 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6280 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6282 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6284 * c-common.c (check_format_info): Give the 'some locales' warning
6285 for strftime %Ey rather than the unconditional 'only last 2 digits
6288 2000-08-22 Richard Henderson <rth@cygnus.com>
6290 * alias.c (init_alias_analysis): Do not register
6291 struct_value_incoming_rtx or static_chain_rtx as pointing
6294 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6296 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6298 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6300 * diagnostic.h (report_problematic_module): Declare.
6301 * diagnostic.c (report_problematic_module): New function.
6302 (report_error_function): Tweak.
6304 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6306 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6307 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6309 2000-08-21 Richard Henderson <rth@cygnus.com>
6311 * flow.c (calculate_global_regs_live): Mark frame pointer live
6312 everywhere before reload.
6314 2000-08-21 Jim Wilson <wilson@cygnus.com>
6316 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6317 INTEL_EXTENDED_IEEE_FORMAT.
6318 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6319 clear last two bytes of output FP value.
6321 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6323 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6325 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6327 * unroll.c (loop_find_equiv_value): If ret is modified between
6328 insn and loop_start, ret might not be equivalent to reg.
6330 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6332 * c-common.c (init_dollar_format_checking,
6333 maybe_read_dollar_number, finish_dollar_format_checking): New
6335 (dollar_arguments_used, dollar_arguments_count,
6336 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6338 (check_format_info): Support $ formats for scanf and printf width
6339 and precision. Always increment format_chars to advance past the
6340 '*' of precision, not just when the format parameters are
6343 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6345 * mips.c (block_move_loop, expand_block_move,
6346 function_arg_partial_nregs, save_restore_insns, function_prologue,
6347 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6349 (function_arg_advance, function_arg): Match argument to format
6352 2000-08-21 Nix <nix@esperi.demon.co.uk>
6354 * gcc.c (do_spec_1): Implement %j spec flag.
6355 Remove dead comment.
6357 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6358 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6359 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6360 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6362 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6363 writable) instead of hardcoded value.
6365 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6367 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6370 * gcc.c (cc1_options): Do not process -o or run the assembler if
6372 * objc/lang-spec.h: Likewise.
6374 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6376 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6377 "external" fixes through `cat', to avoid truncating the input
6378 file by redirection.
6380 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6382 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6384 (lea_general_2, lea_general_3): Likewise.
6386 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6388 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6389 warnings to user code.
6391 * c-lex.c (readescape, yylex): Likewise.
6393 * c-typeck.c (store_init_value, process_init_element): Likewise
6394 (c_expand_start_case): Format.
6396 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6398 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6400 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6401 and linker_endian_spec to endian_spec.
6402 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6403 (LINK_SPEC): Remove %{EB} and %{EL}.
6404 (ASM_SPEC): Likewise. Use %(endian_spec).
6406 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6408 * c-tree.h (flag_hosted): Move declaration from here...
6409 * c-common.h (flag_hosted): ... to here.
6410 (flag_noniso_default_format_attributes): New declaration.
6411 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6412 (c_decode_option): Set it appropriately for options choosing
6413 language standard variant.
6414 * c-common.c (init_function_format_info): Only provide default
6415 format attributes if flag_hosted. Only provide the gettext
6416 formats if flag_noniso_default_format_attributes. Update
6418 (check_format_info): Disable treatment of %a as a scanf flag in
6421 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6423 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6425 (check_format_info): Set 'wide' for scanf format widths. Warn for
6426 a zero scanf width. Make the check for writing into a constant
6427 object at the first level of indirection; at later levels, warn if
6428 any type qualifiers are encountered.
6430 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6432 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6434 (push_reload): Use reload_inner_reg_of_subreg.
6435 (combine_reloads): Do not combine reloads if the input reload
6436 is a SUBREG in which the inner part will need reloading.
6438 * global.c (global_alloc): Avoid passing dumpfile argument to
6440 * toplev.c (rest_of_compilation): Likewise.
6441 * reload.h (reload): Remove dumpfile argument. Callers changed.
6442 (debug_reload, debug_reload_to_stream): Move prototypes here.
6443 * rtl.h (reload): Remove dumpfile argument.
6444 * reload.c (debug_reload): Remove prototype.
6445 (debug_reload_to_stream): Likewise.
6446 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6449 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6451 * diagnostic.c (context_as_prefix): Export.
6452 (need_error_newline): Remove.
6453 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6454 (error_module_changed, record_last_error_module,
6455 error_function_changed, record_last_error_function): New functions.
6456 (initialize_diagnostics): Default intialize
6457 lang_diagnostic_starter, lang_diagnostic_finalizer.
6458 (init_output_buffer): Tweak.
6459 (file_name_as_prefix): New function.
6460 (announce_function, default_print_error_function,
6461 report_error_function, set_diagnostic_context): Tweak.
6463 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6465 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6466 condition expression.
6468 2000-08-20 Richard Henderson <rth@cygnus.com>
6470 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6472 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6474 * cppinit.c (cpp_init): Set global flag when called.
6475 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6477 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6479 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6480 before `process_directive' so that newlines won't be missed
6482 (cpp_printf): Increment `print->lineno' when newline is emitted.
6484 * cppmain.c (cb_ident): Likewise.
6485 (cb_define): Likewise.
6486 (cb_undef): Likewise.
6487 (cb_include): Likewise.
6488 (cb_def_pragma): Likewise.
6489 (dump_macros_helper): Likewise.
6491 2000-08-20 Richard Henderson <rth@cygnus.com>
6493 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6494 assigned before a loop.
6496 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6497 (ashrsi3, lshrsi3): Likewise.
6499 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6501 * c-lang.c: #include diagnostic.h
6502 (c_tree_printer): New function.
6503 (lang_init): Initialize lang_printer.
6505 * Makefile.in (c-lang.o): Depends on diagnostic.h
6507 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6509 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6511 * diagnostic.c (default_diagnostic_starter,
6512 default_diagnostic_finalizer): New functions.
6513 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6514 (pedwarn, pedwarn_with_file_and_line, error,
6515 error_with_file_and_line, fatal, warning,
6516 warning_with_file_and_line): Adjust call to report_diagnostic.
6517 (report_diagnostic): Rework.
6518 (set_diagnostic_context): New function.
6520 * diagnostic.h (struct diagnostic_context): New data structure.
6521 (diagnostic_message, diagnostic_argument_list,
6522 diagnostic_file_location, diagnostic_line_location,
6523 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6524 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6525 (set_diagnostic_context): Declare.
6526 (report_diagnostic): Change prototype.
6528 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6530 * fix-header.c (main): Initialize cpplib.
6532 2000-08-19 Michael Meissner <meissner@redhat.com>
6534 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6535 instructions in it before checking for indirect jumps.
6537 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6538 in a indirect jump as a potential for conditional execution.
6540 * d30v.h (d30v_init_expanders): Don't declare here.
6541 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6544 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6546 * cpp.texi: Add @section for assertions.
6548 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6550 * loop.c (scan_loop): Use CONST_CALL_P instead of
6551 checking for REG_LIBCALL / REG_RETVAL.
6553 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6555 * reload1.c (reload_as_needed): Accept dumpfile argument,
6556 pass it to emit_reload_insns.
6557 (emit_reload_insns): Add new dumpfile argument. If non-null
6558 then dump the reloads for each insn into the dumpfile.
6559 (reload): Pass dumpfile to reload_as_needed.
6561 * invoke.texi: Clean up linux-gnu vs linux comments.
6563 2000-08-19 Richard Henderson <rth@cygnus.com>
6565 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6566 (ia64_depz_field_mask): New.
6567 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6568 (PREDICATE_CODES): Update.
6569 * config/ia64/ia64.md: Update commentary.
6570 (depz_internal): New.
6571 (ashlsi3): Implement directly.
6572 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6573 (ashldi3): Use shladd.
6574 * config/ia64/ia64-protos.h: Update.
6576 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6578 * toplev.c (independent_decode_option): Always process -g.
6579 Remove third argument, now unused. Adjust caller to match.
6581 2000-08-18 Richard Henderson <rth@cygnus.com>
6583 * combine.c (make_compound_operation): Break after creating
6586 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6588 * cpplib.c (cpp_register_pragma_space): Just return if the
6589 namespace is already registered.
6591 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6593 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6594 constant amount. Do not generate ROTL instruction.
6596 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6598 * config/sh/elf.h: Do not include sh/sh.h.
6599 * config/sh/rtems.h: Likewise.
6600 * config/sh/rtemself.h: Do not include sh/elf.h.
6601 * configure.in: Get them included with `tm_file's.
6602 * configure: Rebuilt.
6604 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6605 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6607 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6609 * stor-layout.c (compute_record_type): Don't use mode of single
6610 field as mode of record if not integer mode of same type.
6612 * regmove.c (perhaps_ends_bb_p): New function.
6613 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6614 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6615 (fixup_match_1): Likewise.
6616 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6617 avoid signed/unsigned warnings.
6619 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6622 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6624 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6625 (_cpp_trigraph_map): Declaration moved from cpplex.c
6627 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6628 instead of 256. Use consistent test for designated initializers.
6629 (cpp_init): Initialize trigraph_map.
6630 (initialize_standard_includes, parse_option): Use memcmp
6633 * cpplex.c (init_trigraph_map): Remove.
6634 (trigraph_ok, trigraph_replace, lex_line): Refer to
6637 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6638 (do_unassert): Remove unused "next" local.
6640 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6642 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6644 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6647 2000-08-17 Richard Henderson <rth@cygnus.com>
6649 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6650 the first insn in a sequence.
6652 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6654 * alias.c (true_dependence, write_dependence_p): A read
6655 involving a label_ref or the constant pool doesn't create
6658 * rtl.h (unchanging): Improve documentation.
6660 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6662 * cse.c (insert_regs): Remove unused `regno'.
6664 2000-08-17 Neil Booth <NeilB@earthling.net>
6666 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6667 remove_dup_dirs. If qtail == brack, remove brack not
6669 (remove_dup_dir, remove_dup_dirs): New functions.
6671 2000-08-17 Neil Booth <NeilB@earthling.net>
6673 * cppinit.c (cpp_cleanup): Free include dir chains.
6674 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6675 (do_unassert): Free the assert with _cpp_free_definition.
6676 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6677 assertions. Make the node a T_VOID node.
6679 2000-08-17 Neil Booth <NeilB@earthling.net>
6681 * cppinit.c (path_include, append_include_chain):
6682 Remove 2nd parameter (struct cpp_pending *).
6683 (path_include, initialize_standard_includes, cpp_handle_option):
6684 Update callers appropriately.
6685 (cpp_handle_option): Use pend.
6687 2000-08-17 Neil Booth <NeilB@earthling.net>
6689 * cppinit.c (sort_options): Remove, put functionality in
6692 (initialize_builtins): Free memory.
6693 (cpp_start_read): Move init_IStable to cpp_init.
6695 * cpplib.h (cpp_init): New prototype.
6696 * cppmain.c (main): Call cpp_init.
6698 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6700 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6701 (rtx_unstable_p, rtx_varies_p): Process vectors.
6703 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6705 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6706 references to GLOBAL symbols. Use LOCAL where appropriate.
6708 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6710 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6711 use t-aix41 when host == target.
6713 2000-08-16 Richard Henderson <rth@cygnus.com>
6715 * reload.c (push_secondary_reload): Revert last change.
6716 If we use a reload_in/out pattern, make the when the same
6717 as the primary reload.
6718 (find_reloads): Likewise.
6720 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6722 * configure.in (libstdcxx-v3): Fix test.
6723 * configure: Regenerate.
6725 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6727 * calls.c (calls_function_1, expand_call): Only test
6728 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6729 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6731 2000-08-16 Richard Henderson <rth@cygnus.com>
6733 * combine.c (simplify_shift_const): Revert previous two
6734 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6735 before the main loop.
6737 2000-08-15 Richard Henderson <rth@cygnus.com>
6739 * combine.c (simplify_shift_const): Bound shift count when
6742 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6744 * calls.c (ECF_SP_DEPRESSED): New macro.
6745 (calls_function_1): Treat calling sp-depressed function as alloca.
6746 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6747 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6748 If sp-depressed, ensure block saves and restores SP.
6749 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6751 * function.c (keep_stack_depressed): New function.
6752 (thread_prologue_and_epilogue_insns): Call it.
6753 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6754 to print DECL_OFFSET_ALIGN.
6755 Print no-force-blk and transparent-union flags properly.
6756 * stmt.c (expand_goto_internal): Don't restore stack if last block
6757 and function returns with sp depressed.
6758 (fixup_gotos): Likewise.
6759 (save_stack_pointer): New function, from code in expand_decl.
6760 (expand_decl): Call new function.
6761 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6762 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6763 (save_stack_pointer): New declaration.
6765 * diagnostic.c (fatal_function): New variable.
6766 (set_fatal_function): New function.
6768 * diagnostic.h (set_fatal_function): New declaration.
6770 2000-08-15 William Cohen <wcohen@redhat.com>
6772 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6773 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6774 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6776 2000-08-15 Richard Henderson <rth@cygnus.com>
6778 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6780 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6782 * arm.c (arm_function_ok_for_sibcall): New function.
6783 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6784 * arm.md (call expanders): Don't check here for calls that can't
6787 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6789 * arm.md (splits generating cond_exec): Disable.
6791 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6793 * arm/linux-elf.h (text_section): Delete declaration.
6795 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6797 ARM support for unordered FP operations.
6798 * arm-protos.h (arm_comparison_operator): Declare.
6799 * arm.c (arm_comparison_operator): New function.
6800 (arm_select_cc_mode): Add unordered comparison codes.
6801 (get_arm_condition_code): Likewise.
6802 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6803 be done in one insn.
6804 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6805 * arm.md (all uses of comparison_operator): Replace with
6806 arm_comparison_operator.
6807 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6809 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6812 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6814 * gthr-posix.h: Conditionally include <sched.h>; include
6815 <config.h> from libobjc/.
6817 2000-08-14 Richard Henderson <rth@cygnus.com>
6819 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6822 2000-08-14 Richard Henderson <rth@cygnus.com>
6824 * configure.in (ia64-*): Set float_format for i386 long double.
6826 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6827 as we would for i386 XFmode.
6828 (PUT_REAL): Likewise.
6829 (endian, ereal_atof, real_value_truncate): Likewise.
6830 (ereal_isneg, toe64, etens, make_nan): Likewise.
6831 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6833 * config/ia64/ia64-protos.h: Update.
6834 * config/ia64/ia64.c (general_tfmode_operand): New.
6835 (destination_tfmode_operand): New.
6836 (tfreg_or_fp01_operand): New.
6837 (ia64_split_timode): New.
6838 (spill_tfmode_operand): New.
6839 (ia64_expand_prologue): Use TFmode not XFmode.
6840 (ia64_expand_epilogue): Likewise.
6841 (ia64_function_arg): Likewise.
6842 (ia64_function_arg_advance): Likewise.
6843 (ia64_return_in_memory): Likewise.
6844 (ia64_function_value): Likewise.
6845 (ia64_print_operand): Likewise.
6846 (ia64_register_move_cost): Set GR<->FR to 5.
6847 (ia64_secondary_reload_class): Get GR for TImode memory op.
6848 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6849 (ROUND_TYPE_ALIGN): Remove.
6850 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6851 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6852 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6853 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6854 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6855 (CLASS_MAX_NREGS): Likewise.
6856 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6857 (PREDICATE_CODES): Update.
6858 * config/ia64/ia64.md (movti): New.
6859 (movti_internal): Use a clobber for memory alternatives.
6860 (reload_inti, reload_outti): New.
6861 (movsfcc_astep): Predicate properly.
6862 (movdfcc_astep): Likewise.
6865 (extendsftf2, extenddftf2): New.
6866 (trunctfsf2, trunctfdf2): New.
6867 (floatditf2, fix_trunctfdi2): New.
6868 (floatunsditf2, fixuns_trunctfdi2): New.
6869 (addtf3, subtf3, multf3, abstf2): New.
6870 (negtf2, nabstf2, mintf3, maxtf3): New.
6871 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6873 (fr_spill): Use TFmode, not XFmode.
6874 (fr_restore): Likewise.
6875 * config/ia64/lib1funcs.asm (__divtf3): New.
6876 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6878 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6880 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6882 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6883 `U' integer constant suffix.
6885 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6888 * sparc/sol2.h (__enable_execute_stack): Prototype.
6890 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6892 * collect2.c: Remove use of AIX import file.
6894 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6896 * rs6000.c (print_operand, case 'E'): Add else.
6898 2000-08-14 Richard Henderson <rth@cygnus.com>
6900 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6901 (movdi_symbolic): New.
6903 2000-08-14 Jim Wilson <wilson@cygnus.com>
6905 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6906 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6907 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6910 2000-08-14 Richard Henderson <rth@cygnus.com>
6912 * expr.c (emit_group_load): Don't force constants into registers.
6913 Special case source already in the correct mode.
6915 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6917 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6918 * fixinc/inclhack.def: Likewise.
6919 * fixinc/mkfixinc.sh: Likewise.
6920 * configure: Regenerate.
6921 * fixinc/fixincl.x: Regenerate.
6922 * install.texi: Document equivalence of linux and linux-gnu.
6924 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6926 * cse.c (insert_regs): Also in REG case: When finding an invalid
6927 value, and we make a new quantity, make sure that it won't be
6928 mistaken by for a valid one by mention_regs.
6930 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6932 * h8300.md: Remove obsolete peepholes.
6934 2000-08-13 Kazu Hirata <kazu@hxi.com>
6936 * invoke.texi (H8/300 Options): Fix typos.
6937 * config/h8300.c: Fix formatting.
6938 * config/h8300.h: Fix comment typos.
6939 (OVERRIDE_OPTIONS): Fix formatting.
6941 * function.c: Fix formatting.
6943 * cse.c: Fix formatting.
6945 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6947 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6948 (attempt_auto_inc): Suppress parentheses warning.
6949 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6950 * loop.c (load_mems): Remove `u' suffix in two places.
6951 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6953 * config/rs6000/rs6000.h: Likewise.
6954 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6955 __eabi dummy routine.
6956 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6959 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6960 not put stuff in .sdata unnecessarily.
6961 (rs6000_unique_section): New function.
6962 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6963 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6965 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6966 arrays in C99. Don't try to look at DECL_REGISTER of a
6967 COMPONENT_REF. Don't complain twice about the same error.
6969 * fixinc/inclhack.def (aix_pthread): New fix.
6970 (aix_sysmachine): New fix.
6971 * fixinc/fixincl.x: Regenerate.
6973 * expr.c (expand_expr): Call convert_modes when turning a large
6974 multiply into a small one.
6976 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6978 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6979 the tree structure an exponent rather than an explicit alignment
6980 so it doesn't overflow.
6981 (SET_DECL_OFFSET_ALIGN): New macro.
6982 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6983 rather than DECL_OFFSET_ALIGN.
6984 (place_field): Likewise.
6985 * expmed.c (store_bit_field): Abort on align==0 to avoid
6986 antisocial machine behaviour.
6988 2000-08-12 Richard Henderson <rth@cygnus.com>
6990 * sibcall.c (uses_addressof): Accept both addressof and
6991 current_function_internal_arg_pointer inside a mem.
6992 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6993 if current_function_uses_addressof.
6994 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6997 2000-08-11 Richard Henderson <rth@cygnus.com>
6999 * config/ia64/ia64.md (addsi3): Remove expander.
7000 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7001 (*addsi3_shladd): New.
7003 2000-08-11 Richard Henderson <rth@cygnus.com>
7005 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7006 (do_restore): Likewise.
7007 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7008 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7009 (rtx_needs_barrier): Track actual bit manipulation for
7010 ar.unat moves, gr_spill, and gr_restore.
7011 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7012 (process_set): Don't handle varargs spills.
7013 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7014 .mem.offset here instead of in process_set.
7015 (gr_restore): Likewise.
7017 2000-08-11 Richard Henderson <rth@cygnus.com>
7019 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7021 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7023 * gcc.texi (The Configuration File): Document
7024 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7025 UPDATE_PATH_HOST_CANONICALIZATION.
7027 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7029 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7030 unprototyped function pointer casts on integer constants.
7032 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7034 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7036 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7038 * extend.texi (Volatiles): Fix typos.
7040 2000-08-11 Kazu Hirata <kazu@hxi.com>
7042 * flow.c: Fix formatting.
7044 2000-08-11 Richard Henderson <rth@cygnus.com>
7046 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7047 pattern, always allocate a tertiary scratch register.
7049 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7050 (reload_inhi): Likewise.
7052 2000-08-11 Richard Henderson <rth@cygnus.com>
7054 * function.c (put_reg_into_stack): Allow type to be NULL.
7055 (schedule_fixup_var_refs): Likewise.
7056 (gen_mem_addressof): Allow decl to be NULL.
7057 (put_addressof_into_stack): Likewise.
7059 * flow.c (merge_blocks_nomove): Be more careful about
7060 locating the beginning of block A.
7062 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7064 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7069 * config.in: Reverted the check for <sched.h>.
7071 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7073 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7074 macros define the name of CTOR and DTOR sections.
7075 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7076 DTOR_LIST_END): Change to use attributes to specify
7078 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7079 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7080 DTOR_LIST_END): Same as in mips/elf.h.
7082 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7084 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7085 disabling just crt0.o.
7087 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7089 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7090 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7091 (EXTRA_SPECS): Add them.
7092 * arm/lib1funcs.asm: Support builds for interworking.
7093 Use macros to eliminate duplicated pieces of code.
7095 2000-08-10 Kazu Hirata <kazu@hxi.com>
7097 * h8300.c (expand_a_rotate): New.
7098 (emit_a_rotate): Likewise.
7099 (h8300_adjust_insn_length): Add support for the rotate insns.
7100 * h8300.md (rotlqi3): New.
7101 (*rotlqi3_1): Likewise.
7102 (rotlhi3): Likewise.
7103 (*rotlhi3_1): Likewise.
7104 (rotlhi3): Likewise.
7105 (*rotlhi3_1): Likewise.
7106 * h8300-proto.h: Add prototypes for expand_a_rotate and
7109 * h8300.c: Fix comment typos.
7110 (dosize): Declare the variable amount as unsigned.
7111 (get_shift_alg): Fix a comparison between signed and unsigned.
7112 (emit_a_shift): Likewise.
7113 (h8300_adjust_insn_length): Simplify the code.
7115 * c-decl.c: Fix formatting.
7117 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7119 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7120 warning about non-traditional numeric constant suffixes.
7122 * cppexp.c (parse_number): Likewise.
7124 * invoke.texi: (-Wtraditional): Document new behavior.
7126 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7128 * gthr-posix.h: Include auto-host.h. Conditionally include
7130 * configure.in: Check for the <sched.h> header file.
7131 * config.in: Added define for HAVE_SCHED_H.
7133 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7135 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7136 initialization of unions.
7138 * invoke.texi (-Wtraditional): Document new behavior.
7140 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7142 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7143 instead of extra_c_flags.
7144 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7145 * configure: Regenerate.
7146 * config.in: Regenerate.
7148 * cpperror.c (cpp_type2name): New function.
7149 * cpplex.c (lex_line): If we issued an error for an invalid
7150 preprocessing directive, discard that logical line.
7151 * cpplib.c (do_line): Call a hook function if the current file
7152 is renamed by #line.
7153 (do_ident): Pass the contents of the string, not the entire
7154 token, to the callback function.
7155 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7156 (cb.rename_file): New hook function.
7157 (cb.ident): Adjust prototype.
7158 (cpp_type2name): Prototype.
7159 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7161 * cppmain.c (cb_ident): Update for changed interface.
7162 (cb_rename_file): New function.
7163 (main): Set rename callback.
7165 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7167 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7168 multi-word registers.
7170 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7172 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7173 or ISO C89 instead of ANSI C.
7174 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7175 build_enumerator, do_case): Likewise.
7176 * c-lex.c (parse_float, yylex): Likewise.
7177 * c-parse.in: Likewise.
7178 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7179 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7180 build_c_cast, convert_for_assignment, set_init_index,
7181 set_init_label, c_expand_start_case): Likewise.
7182 * toplev.c (documented_lang_options, display_help): Likewise.
7184 2000-08-08 Kazu Hirata <kazu@hxi.com>
7186 * h8300.c: Fix formatting.
7187 * h8300.h: Likewise.
7188 * h8300.md: Likewise.
7189 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7191 * reload1.c: Fix formatting.
7193 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7195 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7196 Use GEN_CALL_VALUE define.
7197 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7198 * clipper/clipper.md (untyped_call): Likewise.
7199 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7200 * fx80/fx80.md (untyped_call): Likewise.
7201 * mips/mips.md (untyped_call): Likewise.
7202 * ns32k/ns32k.md (untyped_call): Likewise.
7203 * pa/pa.md (untyped_call): Likewise.
7204 * romp/romp.md (untyped_call): Likewise.
7205 * sparc/sparc.md (untyped_call): Likewise.
7207 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7209 * config/i860/i860.c (singlemove_string): Do not generate assembler
7210 pseudo instructions that must be expanded (that is, with signed
7211 constants larger than 16 bits).
7213 2000-08-08 Richard Henderson <rth@cygnus.com>
7215 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7216 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7217 (init_propagate_block_info): Don't kill memory stores at -O0.
7218 (mark_set_1, mark_used_regs): Likewise.
7220 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7222 * rs6000.c (optimization_options): Decorate 'level' as
7224 (mask64_operand): Remove sign-extend thinko.
7225 (rldic_operand): New function.
7226 (load_multiple_operation): regno's are unsigned ints.
7227 (store_multiple_operation): Likewise.
7228 (lmw_operation): Likewise.
7229 (stmw_operation): Likewise.
7230 (includes_lshift_p): shift_mask is unsigned int.
7231 (includes_lshift64_p): New function.
7232 (addrs_ok_for_quad_peep): unsigned int reg1.
7233 (print_operand): Consistently add "else" after
7234 output_operand_lossage().
7235 (print_operand, case 'b'): Fold in case 'W'.
7236 (print_operand, case 'W'): Print rldic MB value.
7237 (output_epilogue): Update Objective-C language string.
7238 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7239 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7240 * rs6000.md (ashldi3): Add rldic instruction.
7241 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7242 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7245 2000-08-08 Richard Henderson <rth@cygnus.com>
7247 * config/ia64/ia64-protos.h: Remove duplicates. Update
7248 for massive code rearrangements.
7249 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7250 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7251 (ia64_local_regs, ia64_need_regstk): Remove.
7252 (ar_ccv_reg_operand): New.
7253 (ia64_gp_save_reg): New.
7254 (struct ia64_frame_info): Combine most of the size elements;
7255 add new gr save elements.
7256 (find_gr_spill): New.
7257 (next_scratch_gr_reg): New.
7258 (mark_reg_gr_used_mask): New.
7259 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7260 to GR backing store regs when possible.
7261 (ia64_initial_elimination_offset): New.
7262 (ia64_rap_fp_offset): Remove.
7263 (save_restore_insns): Remove.
7264 (setup_spill_pointers): New.
7265 (finish_spill_pointers): New.
7266 (spill_restore_mem): New.
7267 (do_spill, do_restore): New.
7268 (ia64_expand_prologue): Rewrite to use them.
7269 (ia64_expand_epilogue): Likewise.
7270 (ia64_direct_return): Update for current_frame_info changes.
7271 (ia64_function_prologue): Simplify .prologue emission. Emit
7273 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7274 (ia64_dbx_register_number): New.
7275 (ia64_initialize_trampoline): New.
7276 (ia64_secondary_reload_class): Request GR_REGS for integer
7277 arithmetic destined for FR_REGS.
7278 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7279 (ia64_mark_machine_status): Mark ia64_gp_save.
7280 (rws_access_regno): Rename from rws_access_reg; don't treat
7281 predicates specially.
7282 (rws_access_reg): New. Update all callers.
7283 (rtx_needs_barrier): Remove dead unspecs.
7284 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7285 (ia64_encode_section_info): Silence signed/unsigned warnings.
7286 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7287 (tmp_reg, tmp_saved): Remove.
7288 (process_set): Rewrite to expect complicated bits via
7289 REG_FRAME_RELATED_EXPR.
7290 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7291 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7292 (ia64_expand_op_and_fetch): Likewise.
7293 (ia64_expand_compare_and_swap): Likewise.
7294 (ia64_expand_builtin): Likewise.
7295 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7296 (FIRST_PSEUDO_REGISTER): Update.
7297 (AR_M_REGNO_P): Update.
7298 (FIXED_REGS): Don't mark three local registers as used.
7299 (EXTRA_CC_MODES): New.
7300 (SELECT_CC_MODE): New.
7301 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7302 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7303 (FRAME_GROWS_DOWNWARD): Unset.
7304 (STARTING_FRAME_OFFSET): Zero.
7305 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7306 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7307 (HARD_FRAME_POINTER_REGNUM): New.
7308 (CAN_DEBUG_WITHOUT_FP): Define.
7309 (TRAMPOLINE_TEMPLATE): Remove.
7310 (TRAMPOLINE_SIZE): Lower to 32.
7311 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7312 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7313 (PREDICATE_CODES): Update.
7314 (struct machine_function): Add ia64_gp_save.
7315 * config/ia64/ia64.md: Purge unused unspecs.
7316 (movsi patterns): Allow moves to/from AR_M_REGS.
7317 (movdi patterns): Allow moves to/from p0.
7318 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7319 (gr_spill, gr_restore): Indicate ar.unat read/written.
7320 (nonlocal_goto): Don't pass old frame_pointer.
7321 (nonlocal_goto_receiver): Remove.
7322 (exception_receiver): New.
7323 (builtin_setjmp_setup): New.
7324 (builtin_setjmp_receiver): New.
7325 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7326 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7327 (__ia64_restore_stack_nonlocal): Likewise.
7328 (__ia64_trampoline): New.
7329 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7331 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7333 2000-08-08 Richard Henderson <rth@cygnus.com>
7335 * frame.h (ia64_frame_state): Add my_psp.
7336 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7337 (__throw): Pass it in. Don't clobber r7.
7338 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7339 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7340 and nothing to do with sp.
7341 (normalize_reg_loc): Use frame->my_psp.
7342 (frame_translate): Handle frame-pointer-less functions. Set
7343 spill_base correctly, in absence of being told.
7344 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7345 (__ia64_backtrace_helper): New sp argument. Use
7346 builtin_return_address instead of label addresses.
7347 (print_record) [mem_stack_v]: No size member.
7349 2000-08-08 Richard Henderson <rth@cygnus.com>
7351 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7353 2000-08-08 Richard Henderson <rth@cygnus.com>
7355 * tm.texi (LOCAL_REGNO): Document.
7356 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7357 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7358 * reload1.c (reload): Likewise when considering nonlocal labels.
7360 * config/ia64/ia64.h (LOCAL_REGNO): New.
7361 * config/sparc/sparc.h (LOCAL_REGNO): New.
7363 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7365 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7367 2000-08-07 Nick Clifton <nickc@redhat.com>
7369 * config/mips/mips.c: Fix compile time warning messages.
7370 * config/mips/mips-protos.h: Add prototype for equality_op.
7372 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7374 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7376 * mn10300.md: Use nonimmediate_operand instead of general_operand
7379 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7381 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7383 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7384 * sh.c (expand_block_move): Break long lines.
7385 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7386 * sh.md (mulsi3): Likewise.
7387 (movdi): Adjust spacing.
7389 2000-08-07 Richard Henderson <rth@cygnus.com>
7391 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7392 * expr.c (emit_group_store): Don't set it.
7394 2000-08-07 Kazu Hirata <kazu@hxi.com>
7396 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7397 duplicate entries for 'w' and 'z'.
7399 * flow.c: Fix a comment typo.
7401 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7403 * c-parse.in: Changed the language string for Objective-C to "GNU
7406 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7408 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7409 to improve the Posix thread support for Objective-C.
7411 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7413 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7414 CTI_UNSIGNED_PTRDIFF_TYPE.
7415 (signed_size_type_node): Define.
7416 (unsigned_ptrdiff_type_node): Define.
7417 * c-decl.c (init_decl_processing): Create the
7418 signed_size_type_node and unsigned_ptrdiff_type_node types.
7419 * c-common.c (T_SC): Define.
7422 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7423 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7425 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7426 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7427 flags for %c, %s and %[.
7428 (check_format_info): Only allow leniency for signedness of targets
7429 of character pointers (when pedantic) for formats flagged with
7430 "c", so for strings but not for %hh formats. When pedantic, don't
7431 allow character pointers to substitute for void pointers if a
7432 second level of indirection is present.
7434 2000-08-06 Kazu Hirata <kazu@hxi.com>
7436 * invoke.texi (Options for Debugging Your Program or GCC): Update
7437 the names of dump files.
7439 * h8300.c (dosize): Rearrange code for conciseness.
7440 (split_adds_subs): Likewise.
7442 * loop.c: Fix formatting.
7444 * dwarf2out.c: Fix formatting.
7446 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7448 * expr.c: Fix formatting.
7450 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7452 * rs6000.c (rs6000_maybe_dead): Prototype.
7454 2000-08-06 Richard Henderson <rth@cygnus.com>
7456 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7457 HAVE_nonlocal_goto as well.
7458 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7459 * config/pj/pj.md (nonlocal_goto): Likewise.
7461 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7463 * loop.c (try_swap_copy_prop): New function.
7464 (load_mems): Rename copies to load_copies and add new regset
7465 store_copies. Check for sets of shadow registers and mark
7466 in store_copies. Call try_swap_copy_prop for registers
7467 marked in store_copies.
7469 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7471 * objc/objc-act.c: New command line option -fconstant-string-class
7472 to allow specifying a user defined constant string class,
7473 different from NXConstantString.
7475 * toplev.c: Moved the Objective-C specific options to
7476 objc/lang-options.h.
7478 * objc/lang-options.h: Moved the Objective-C specific options from
7479 toplev.c. Added -fconstant-string-class.
7481 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7483 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7484 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7485 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7486 avoid extra alignment imposed on arrays.
7487 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7488 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7490 * mips.h: Clean up comments and spacing near MASKs.
7491 (TARGET_UNIX_ASM): Delete.
7492 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7493 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7496 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7498 * c-common.c (print_char_table): Add entries for the X/Open '
7499 format flag (print decimals with locale's thousands grouping
7500 character). Make %C expect wint_t.
7501 (check_format_info): If pedantic, warn when the %n$ operand
7502 number form is used. Allow for the ' flag; warn about it if
7505 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7507 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7508 type is a float mode, cfun->decl's return type is not, and
7509 TARGET_FLOAT_RETURNS_IN_80387.
7511 2000-08-04 Andreas Schwab <schwab@suse.de>
7513 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7514 token list, which are always `#' and `pragma'.
7516 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7518 * tree.c (tree_expr_nonnegative_p): Move to...
7519 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7520 (rtl_expr_nonnegative_p): New.
7521 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7523 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7524 CONST_DOUBLE_CHAIN: Move to...
7525 * rtl.h: ...here. Use XCINT/XCEXP.
7527 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7528 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7529 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7532 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7534 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7536 * config/c4x/c4x.md (return_indirect_internal): New.
7537 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7539 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7541 * c-common.c (time_char_table): Mark up formats added in C99 and
7542 make other corrections. %D and %g were added in C99. %Og is an
7543 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7544 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7545 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7546 %h was added in C99. %C was added in C99. %OY and %OC are
7547 extensions. Add the C99 format %F.
7548 (check_format_info): If pedantic and not in C99 mode, warn for C99
7551 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7553 * function.c (schedule_fixup_var_refs): New function, broken out
7554 of put_reg_into_stack.
7555 (put_reg_into_stack): Use it.
7556 (put_var_into_stack): In CONCAT case, fixup up references for
7557 components only after fixing up references to the whole concat.
7559 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7561 * alias.c (mark_constant_function): Use INSN_P.
7562 (init_alias_analysis): Likewise.
7563 * combine.c (combine_instructions): Use INSN_P.
7564 (can_combine_p): Likewise.
7565 (try_combine): Likewise.
7566 (distribute_notes): Likewise.
7567 (distribute_links): Likewise.
7568 * cse.c (cse_around_loop): Use INSN_P.
7569 (invalidate_skipped_block): Likewise.
7570 (cse_set_around_loop): Likewise.
7571 (cse_end_of_basic_block): Likewise.
7572 (delete_trivially_dead_insns): Likewise.
7573 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7574 (unshare_all_rtl_1): Likewise.
7575 (next_cc0_user): Likewise.
7576 (try_split make_insn_raw): Likewise.
7577 (remove_unnecessary_notes): Likewise.
7578 * final.c (shorten_branches): Use INSN_P.
7579 (leaf_renumber_regs): Likewise.
7580 (leaf_renumber_regs_insn): Likewise.
7581 * flow.c (find_label_refs): Use INSN_P.
7582 (verify_wide_reg): Likewise.
7583 (notice_stack_pointer_modification): Likewise.
7584 (count_or_remove_death_notes): Likewise.
7585 (verify_flow_info): Likewise.
7586 (clear_log_links): Likewise.
7587 * function.c (fixup_var_refs_insns): Use INSN_P.
7588 (compute_insns_for_mem): Likewise.
7589 * gcse.c (alloc_gcse_mem): Use INSN_P.
7590 (compute_sets): Likewise.
7591 (compute_hash_table): Likewise.
7592 (classic_gcse): Likewise.
7594 (insert_insn_end_bb): Likewise.
7595 (delete_null_pointer_checks_1): Likewise.
7596 * global.c (expand_preferences): Use INSN_P.
7597 (build_insn_chain): Likewise.
7598 * graph.c (node_data): Use INSN_P.
7599 * haifa-sched.c (priority): Use INSN_P.
7600 (rm_line_notes): Likewise.
7601 (rm_other_notes): Likewise.
7602 (find_insn_reg_weight): Likewise.
7603 (init_target_units): Likewise.
7604 (schedule_block): Likewise.
7605 (compute_block_forward_dependences): Likewise.
7606 (debug_dependencies): Likewise.
7607 (set_priorities): Likewise.
7608 * integrate.c (function_cannot_inline_p): Use INSN_P.
7609 (save_parm_insns): Likewise.
7610 (copy_insn_list): Likewise.
7611 * jump.c (mark_all_labels): Use INSN_P.
7612 (never_reached_warning): Likewise.
7613 * lcm.c (optimize_mode_switching): Use INSN_P.
7614 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7615 (memref_used_between_p): Likewise.
7616 (update_equiv_regs): Likewise.
7617 (block_alloc): Likewise.
7618 (no_conflict_p): Likewise.
7619 * loop.c (scan_loop): Use INSN_P.
7620 (find_and_verify_loops): Likewise.
7621 (count_loop_regs_set): Likewise.
7622 (loop_reg_used_before_p): Likewise.
7623 (strength_reduce): Likewise.
7624 (recombine_givs): Likewise.
7625 (check_dbra_loop): Likewise.
7626 (load_mems): Likewise.
7627 (try_copy_prop): Likewise.
7628 * print-rtl.c (print_rtx): Use INSN_P.
7629 * recog.c (find_single_use): Use INSN_P.
7630 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7631 (next_flags_user): Likewise.
7632 (swap_rtx_condition): Likewise.
7633 * regmove.c (mark_flags_life_zones): Use INSN_P.
7634 (optimize_reg_copy_1): Likewise.
7635 (optimize_reg_copy_2): Likewise.
7636 (optimize_reg_copy_3): Likewise.
7637 (reg_is_remote_constant_p): Likewise.
7638 (fixup_match_2): Likewise.
7639 (regmove_optimize): Likewise.
7640 (fixup_match_1): Likewise.
7641 * regrename.c (build_def_use): Use INSN_P.
7642 (replace_reg_in_block): Likewise.
7643 (consider_use): Likewise.
7644 * reload.c (find_equiv_reg): Use INSN_P.
7645 * reload1.c (reload): Use INSN_P.
7646 (maybe_fix_stack_asms): Likewise.
7647 (calculate_needs_all_insns): Likewise.
7648 (reload_as_needed): Likewise.
7649 (emit_output_reload_insns): Likewise.
7650 (delete_address_reloads_1): Likewise.
7651 (reload_cse_regs_1): Likewise.
7652 (reload_combine): Likewise.
7653 (reload_cse_move2add): Likewise.
7654 * reorg.c (redundant_insn): Use INSN_P.
7655 (dbr_schedule): Likewise.
7656 * resource.c (find_dead_or_set_registers): Use INSN_P.
7657 (mark_target_live_regs): Likewise.
7658 * rtlanal.c (reg_used_between_p): Use INSN_P.
7659 (reg_referenced_between_p): Likewise.
7660 (reg_set_between_p): Likewise.
7661 (reg_set_p): Likewise.
7662 (single_set): Likewise.
7663 (multiple_sets): Likewise.
7664 (find_last_value): Likewise.
7665 (reg_set_last): Likewise.
7666 (find_reg_note): Likewise.
7667 (find_regno_note): Likewise.
7668 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7669 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7670 * ssa.c (find_evaluations): Use INSN_P.
7671 (rename_block): Likewise.
7672 (rename_equivalent_regs): Likewise.
7673 * unroll.c (loop_find_equiv_value): Use INSN_P.
7674 (set_dominates_use): Likewise.
7675 * varasm.c (mark_constant_pool): Use INSN_P.
7676 (mark_constants): Likewise.
7677 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7678 (alphaev4_next_group): Likewise.
7679 (alphaev5_next_group): Likewise.
7680 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7681 (c4x_rptb_rpts_p): Likewise.
7682 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7683 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7684 (rs6000_adjust_priority): Likewise.
7685 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7686 (machine_dependent_reorg): Likewise.
7687 (split_branches): Likewise.
7688 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7690 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7692 * combine.c (recog_for_combine): Remove the old notes
7693 prior to attempting to recognize the new pattern.
7694 (distribute_notes): Ignore REG_NONNEG notes.
7696 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7698 * varasm.c (output_constructor): Add .align 0 for packed vars.
7700 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7702 * configure.in: Use default thread_file even when enable_threads is
7703 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7704 * configure: Rebuilt.
7706 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7708 2000-08-04 Donn Terry (donnte@microsoft.com)
7710 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7712 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7714 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7715 Delete code that conditionally modifies 'version'.
7716 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7717 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7718 * gcc.c (main): Use it.
7719 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7720 * prefix.c (update_path): Use it.
7721 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7722 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7723 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7725 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7726 (SUBTARGET_SWITCHES): Adjust.
7727 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7729 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7731 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7733 * c-common.h (flag_isoc94): Declare.
7734 * c-decl.c (flag_isoc94): Define.
7735 (c_decode_option): Set flag_isoc94 as appropriate.
7736 * c-common.c (T_PD, T_IM, T_UIM): Define.
7737 (format_char_info): Add tlen and jlen.
7738 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7740 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7742 (time_char_table): Add NULL entries for %t and %j.
7743 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7744 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7745 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7746 precision. Allow precision argument to be unsigned int. If
7747 pedantic, warn for %p passed an argument not a pointer to possibly
7748 qualified void or a possibly qualified character type, and for
7749 pointer targets of the wrong sign, except for character pointers.
7751 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7753 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7754 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7755 (wint_type_node): Define.
7756 * c-decl.c (WINT_TYPE): Define.
7757 (init_decl_processing): Create the wint_type_node type.
7758 * c-common.c (T_WI): Define.
7759 (print_char_table): Use T_WI for %lc format.
7761 2000-08-04 Bruce Korb <bkorb@gnu.org>
7763 * fixinc/: Verified that the MSDOS patch does not break
7764 the UNIX functionality and applied the next three patches
7767 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7769 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7770 output file with the temporary one by appending ".X" to generate
7771 the temporary fuile's name. If the output file already has an
7772 extension, replace it with ".X".
7774 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7775 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7776 reallocate the command buffer while copying the command-line
7777 argument. Redirect the output directly to the temporary file,
7778 instead of going through another temporary file.
7779 (process): Close the temporary file before unlinking it.
7780 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7781 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7782 (run_compiles): Pass p_fixd argument to machine_matches, as it
7785 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7786 environment, assume there are no symlinks in the include
7787 directory. When cleaning up the DONE files, look for them
7788 case-insensitively. Don't try to remove symlinks if they aren't
7791 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7792 all callers changed. Declare pz "const char *", to avoid compiler
7795 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7796 Change prototype of make_raw_shell_str.
7798 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7800 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7801 (initialize) [__MSDOS__]: Use tempnam.
7802 (initialize): Don't use SIGPIPE if it is not defined.
7804 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7807 2000-07-25 Bruce Korb <bkorb@gnu.org>
7809 * fixinc/fix*.[ch]: substantially reworked to make it possible
7810 to run this program without using fork(2) or pipe(2) (i.e. in
7813 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7815 * cppdefault.h (WINT_TYPE): Define.
7816 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7817 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7818 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7820 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7822 * (mips_legitimate_address_p): Don't allow register+offset
7823 if the offset is large and negative, and we are compiling
7824 for 64 bit registers.
7826 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7828 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7829 insn_code_number + 1.
7831 2000-08-04 Kazu Hirata <kazu@hxi.com>
7833 * h8300.c (function_prologue): Rearrange code for conciseness.
7834 (function_epilogue): Likewise.
7835 * h8300.h (OK_FOR_U): Fix formatting.
7837 * cse.c: Fix a comment typo. Fix formatting.
7839 2000-08-03 Richard Henderson <rth@cygnus.com>
7841 * config/i386/i386.md (return_indirect_internal): New.
7842 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7844 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7846 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7848 (lex_line): Glue @ onto the beginning of identifiers and
7849 string constants, in Objective-C mode.
7850 (output_token, spell_token): Handle CPP_OSTRING.
7851 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7852 beginning of a NAME or a STRING, in objc mode.
7854 * cpplib.c (get_define_node): Do not permit identifiers that
7855 begin with @ to be #defined.
7856 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7857 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7859 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7860 * c-tree.h (build_objc_string): Delete prototype.
7861 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7862 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7864 * c-parse.in, objc/objc-act.c: Update commentary.
7866 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7868 * extend.texi: Fix typo in last change.
7870 * extend.texi: Add commentary on statement-expressions and their
7871 interactions with C++.
7873 2000-08-03 Nick Clifton <nickc@cygnus.com>
7875 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7876 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7878 2000-08-03 Anthony Green <green@cygnus.com>
7880 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7881 (add_bound_info): Check for java language.
7882 (is_java): New function.
7883 * dwarfout.c (output_compile_unit_die): Ditto.
7884 * dwarf.h (dwarf_source_language): Add java source language type.
7885 * dwarf2.h (dwarf_source_language): Ditto.
7887 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7889 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7892 * i386.c (ix86_expand_branch): Mode of comparison in
7893 IF_THEN_ELSE is VOIDmode.
7895 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7897 * gengenrtl.c, rtl.c: Avoid #elif.
7899 2000-08-03 Michael Poole <poole@troilus.org>
7901 * tm.texi (Register Classes): Clarify order of sub-initializers
7902 in REG_CLASS_CONTENTS.
7904 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7906 From SAITOH Masanobu:
7907 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7909 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7911 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7912 is not supported by tradcpp and isn't actually needed for cygwin.
7914 2000-08-03 Kazu Hirata <kazu@hxi.com>
7916 * h8300.c: Fix a comment typo.
7917 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7919 * jump.c: Fix formatting.
7921 * toplev.c: Fix formatting.
7923 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7925 * flow.c (find_auto_inc): Verify that we've got a REG before
7926 peeking at its regno. Fail, don't abort if we can't find
7927 the increment of the desired register.
7929 * pa.md (shadd height reduction patterns/splitters): Remove.
7931 2000-08-02 Jim Wilson <wilson@cygnus.com>
7933 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7934 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7936 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7938 * dce.c: Remove all uses of assert.
7939 * dwarf2out.c: Likewise.
7940 * dwarfout.c: Likewise.
7943 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7945 * gcc.h (lang_specific_driver): Constify second argument.
7946 * gcc.c (translate_options, process_command, main): Likewise.
7947 Constify variables to match. Cast second argument to
7950 * cppspec.c, gccspec.c: Adjust type of second argument to
7951 lang_specific_driver, and update code as necessary.
7953 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7955 * loop.c (scan_loop): Ensure update_end label does not
7956 go away until reg_scan_update is run.
7958 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7960 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7961 * c-tree.h: ... not here.
7962 * errors.h: Prototype fancy_abort.
7964 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7965 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7966 * regrename.c (regrename_optimize): Make control flow explicit.
7967 (replace_reg_in_block): Initialize reg_use to 0.
7969 * i386.c (legitimate_address_p): Rename error label to
7970 report_error to avoid namespace clash.
7972 2000-08-02 Kazu Hirata <kazu@hxi.com>
7974 * fold-const.c: Fix formatting.
7976 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7978 * i386.c (legitimate_address_p): Accept other bases than
7979 pic_offset_table_rtx for GOTOFF constructs.
7981 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7983 * i386.md (shift to lea splitter): Use const_int_operand.
7985 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7987 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7988 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7991 * cppmain.c (cb_define, cb_undef): Don't generate any output
7992 if not done_initializing.
7993 * cpplex.c (maybe_paste_with_next): When the token after a ##
7994 is an omitted rest argument, only delete the token before it
7995 if that token is a comma. Do not warn about bogus token
7996 pastes for , ## rest_arg.
7999 * cpp.1: Regenerate.
8001 2000-08-02 Fred Fish <fnf@be.com>
8003 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8004 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8007 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8008 Be directories to search path.
8010 Remove support for __declspec(dllimport) and __declspec(dllexport).
8011 This is leftover cruft from the earlier BeOS gcc port when BeOS
8012 used Microsoft's PE object file format.
8013 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8014 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8015 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8016 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8017 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8018 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8019 (REDO_SECTION_INFO_P): Remove.
8020 (ASM_EXPORT_DECL): Remove.
8021 (ASM_DECLARE_FUNCTION_NAME): Remove.
8022 (ASM_DECLARE_OBJECT_NAME): Remove.
8023 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8024 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8025 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8026 (STRIP_NAME_ENCODING): Remove.
8028 Remove support for obsolete version of BeOS that is no longer
8030 * configure.in (i*86-*-beospe*): Remove.
8031 * config/i386/beos-pe.h: Remove.
8033 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8034 Mark Mitchell <mark@codesourcery.com>
8036 * Makefile.in (OBJS): Added dce.o.
8037 (ssa.o): Updated target to include ssa.h.
8039 (toplev.o): Likewise.
8040 (dce.o): Created target.
8041 * basic-block.h: Added comments.
8042 (INVALID_BLOCK): Added definition.
8043 (connect_infinite_loops_to_exit): Added declaration.
8044 Moved SSA declarations to ssa.h.
8045 * flow.c: Added inclusion of ssa.h.
8046 (struct depth_first_search_dsS, depth_first_search_ds):
8048 (compute_immediate_postdominators): Added definition.
8049 (connect_infinite_loops_to_exit): Likewise.
8050 (flow_dfs_compute_reverse_init): Likewise.
8051 (flow_dfs_compute_reverse_add_bb): Likewise.
8052 (flow_dfs_compute_reverse_execute): Likewise.
8053 (flow_dfs_compute_reverse_finish): Likewise.
8054 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8055 (LABEL_P): Added definition.
8058 (BARRIER_P): Likewise.
8059 (JUMP_TABLE_DATA_P): Likewise.
8060 (INSN_DEAD_CODE_P): Likewise.
8061 * ssa.c: Replaced inclusions with ssa.h inclusion.
8062 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8063 (rename_registers): Removed unnecessary variables.
8064 * ssa.h: Created by moving declarations from ssa.c and
8066 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8067 * toplev.c: Added ssa.h inclusion.
8068 (dump_file_index): Added DFI_dce.
8069 (dump_file): Added "dce" entry.
8071 (f_options): Added dce entry.
8072 * invoke.texi: Document -fdce. Emphasize experimental status of
8076 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8078 * cpperror.c (v_message): Split into _cpp_begin_message and
8079 v_message macro. All callers updated.
8080 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8083 * cppfiles.c (cpp_syshdr_flags): New function.
8084 (read_include_file): Don't call cpp_output_tokens. Call
8086 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8087 (cpp_reader_init): Don't initialize token_buffer. Call
8088 _cpp_init_internal_pragmas.
8089 (cpp_cleanup): Don't clear token_buffer.
8090 (cpp_start_read): Don't worry about output from -D processing.
8091 Don't call cpp_output_tokens.
8092 (cpp_finish): Don't dump macros here. Don't call
8094 * cppmacro.c (_cpp_dump_definition): Rename
8095 cpp_dump_definition. Write directly to a FILE *.
8096 (dump_funlike_macro): Delete.
8097 (dump_macro_args): New.
8099 * cpplex.c (TOKEN_LEN): Convert to inline function.
8100 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8101 cpp_scan_line, _cpp_dump_list): Delete.
8102 (cpp_printf, cpp_output_list): New.
8103 (output_line_command): Don't worry about entering or leaving files.
8104 (cpp_scan_buffer): Just output each token as we hit it.
8105 (process_directive): Don't call cpp_output_tokens.
8106 (_cpp_glue_header_name): Don't use token_buffer.
8107 (output_token, dump_param_spelling): Write directly to a FILE *.
8109 * cpplib.c (pass_thru_directive, dump_macro_name,
8110 pragma_dispatch, do_pragma_gcc): Delete.
8111 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8112 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8114 (do_error, do_warning, pragma_dependency): Call
8115 _cpp_begin_message, then cpp_output_list.
8116 (cpp_register_pragma, cpp_register_pragma_space,
8117 _cpp_init_internal_pragmas): New.
8118 (do_pragma): Walk the pragmas table here.
8119 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8120 do_pragma_dependency): Return void.
8121 (do_pragma_implementation): Moved to cppmain.c.
8123 * cpplib.h: Update prototypes.
8124 (struct cpp_reader): Remove printer, token_buffer,
8125 token_buffer_size, and limit. Add struct cb, and pragmas.
8126 (struct cpp_printer): Remove last_id and written.
8127 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8128 CPP_ADJUST_WRITTEN): Delete.
8129 * cpphash.h: Update prototypes.
8130 (ufputs): New wrapper.
8132 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8133 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8134 (main): Set up callbacks. Register #pragma implementation.
8135 Dump macros from here.
8137 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8139 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8140 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8141 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8142 insns if they have a REG_MAYBE_DEAD note attached.
8143 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8144 (rs6000_emit_load_toc_table): TOC loads may go dead.
8146 2000-08-01 Jim Wilson <wilson@cygnus.com>
8148 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8149 type exists before using it. Use number of words as alignment
8151 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8152 ia64_va_arg): Propagate ia64_function_args changes here.
8154 2000-08-01 Richard Henderson <rth@cygnus.com>
8156 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8157 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8159 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8161 From Joern Rennecke:
8162 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8163 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8164 unless TARGET_SH3E is set.
8165 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8167 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8168 (ashlsi3_std): New pattern.
8169 (ashlsi3 expander): Use it for TARGET_SH3.
8170 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8172 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8174 * loop.c (canonicalize_condition): Use destination, not source to
8175 determine SET's mode.
8177 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8179 * flow.c (clear_log_links): Fix typo.
8181 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8183 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8184 on targets which need more than one insn for a compare/cbranch
8187 2000-07-31 Jim Wilson <wilson@cygnus.com>
8189 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8190 when computing offset.
8192 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8194 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8196 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8198 * flow.c (clear_log_links): Nuke global_live_at_start and
8199 global_live_at_end data, since if the log_links stuff is invalid
8200 so is global_live_at_*.
8202 2000-07-31 Richard Henderson <rth@cygnus.com>
8204 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8206 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8208 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8209 (_cpp_get_token): Don't macro expand a just pasted token if it
8210 was pasted at no_expand_level.
8212 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8214 * cppmacro.c (find_param, count_params, save_expansion):
8215 Permit 'defined' as a macro parameter name.
8217 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8219 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8220 xcpp to cpp throughout.
8221 (native): Remove unnecessary dependency on cpp.
8223 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8224 tradcpp to tradcpp0.
8225 (.i spec): Add missing output-file spec to cc1 command line.
8226 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8228 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8230 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8231 (implicit_decl_warning): New function.
8232 (implicitly_declare): Use it.
8233 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8234 to complain about implicit decls of builtins.
8236 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8237 based on pedantic && flag_isoc99, if not already set.
8238 * c-tree.h: Declare mesg_implicit_function_declaration.
8239 Prototype implicit_decl_warning.
8241 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8243 * Makefile.in (ssa.o): Updated header files in dependences.
8244 * basic-block.h: Added compute_immediate_postdominators declaration.
8245 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8247 * flow.c (compute_immediate_dominators): Updated comment.
8248 (compute_immediate_postdominators): Added definition.
8249 * rtl.h (HARD_REGISTER_P): Added definition.
8250 * ssa.c: Include additional header files.
8251 (assert): Added definition.
8252 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8253 include select hard registers.
8254 (ssa_rename_to_insert): Likewise.
8255 (ssa_rename_from_initialize): Likewise.
8256 (ssa_rename_from_lookup): Likewise.
8257 (original_register): Likewise.
8258 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8259 include select hard reigsters.
8260 (ssa_rename_from_traverse): Likewise.
8261 (ssa_rename_from_free): Likewise.
8262 (ssa_rename_from_print): Likewise.
8263 (ssa_rename_from_print_1): Likewise.
8264 (ssa_rename_from_hash_function): Likewise.
8265 (ssa_rename_from_equal): Likewise.
8266 (ssa_rename_from_delete): Likewise.
8267 (simplify_to_immediate_dominators): Removed in favor of
8268 flow.c:compute_immediate_dominators.
8269 (find_evaluations_1): Modified to work with hard registers.
8270 (insert_phi_node): Likewise.
8271 (insert_phi_nodes): Likewise.
8272 (struct rename_set_data): Updated prev_reg comment.
8273 (create_delayed_rename): Modified to work with hard registers.
8274 (RENAME_NO_RTX): Updated comment.
8275 (apply_delayed_renames): Modified to work with hard registers.
8276 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8277 (rename_block): Updated to use revised ssa_rename_to interface.
8278 (rename_registers): Updated to use revised ssa_rename_to and
8279 ssa_rename_from interface.
8280 (convert_to_ssa): Revised to use compute_immediate_dominators and
8281 deal with hard registers.
8282 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8283 registers. Added check for illegal unification of hard register.
8284 (make_equivalent_phi_alternatives_equivalent): Modified to work
8285 with hard registers.
8286 (compute_conservative_reg_partition): Likewise.
8287 (coalesce_if_unconflicting): Modified to work with hard registers
8288 and check for conflicting hard registers.
8289 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8291 (rename_equivalent_regs_in_insn): Modified to work with hard
8293 (record_canonical_element_1): Added definition.
8294 (check_hard_regs_in_partition): Added definition.
8295 (convert_from_ssa): Added data structure deallocation and check
8296 for illegal hard register unification.
8297 (conflict_hard_regs_p): Added definition.
8298 * toplev.c (rest_of_compilation): Added comment.
8300 2000-07-31 Anthony Green <green@redhat.com>
8302 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8304 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8306 * builtins.c (expand_builtin_apply): Don't defer pop during
8309 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8311 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8312 preferred_unit_stack_boundary when it is > 1.
8314 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8316 * c-common.c (init_function_format_info): Add C99 format functions
8319 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8320 void' or 'register void' as being the special case of 'void' alone
8321 in a parameter list.
8323 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8324 discarding qualifiers into a plain warning.
8326 2000-07-31 Kazu Hirata <kazu@hxi.com>
8328 * combine.c: Fix formatting.
8330 * h8300.md: Fix formatting.
8332 * local-alloc.c: Fix formatting.
8334 * h8300.c (get_shift_alg): Remove the variable alg.
8335 (emit_a_shift): Rearrange code to improve readability.
8337 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8339 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8340 HImode on all architectures and a combination of HImode and SImode
8341 on H8/300H and H8/S.
8343 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8345 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8347 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8350 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8352 * recog.c (extract_insn): Set operand_mode according to
8353 operand if match_operand is VOIDmode.
8355 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8357 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8359 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8361 * c-parse.in (extdefs): Call ggc_collect between external
8364 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8365 Richard Henderson <rth@cygnus.com>
8367 * Makefile.in (OBJS): Add doloop.o.
8368 * doloop.c: New file.
8370 * final.c (insn_current_reference_address): Return 0 before final.
8371 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8372 * jump.c (any_uncondjump_p): Likewise.
8373 * loop.c (indirect_jump_in_function): Make static.
8374 (strength_reduce): Call doloop_optimize.
8375 (insert_bct, instrument_loop_bct): Remove.
8376 * loop.h (doloop_optimize): Prototype.
8377 * recog.c (split_all_insns): Split all INSN_P.
8378 * toplev.c (flag_branch_on_count_reg): Default on.
8380 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8381 flag_branch_on_count_reg.
8382 * config/i386/i386.c (override_options): Likewise.
8383 * config/rs6000/rs6000.c (optimization_options): Likewise.
8385 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8387 (dbra_ge): Remove, as well as all it's splitters.
8389 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8392 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8393 (ia64_register_move_cost): Declare.
8394 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8395 (struct ia64_frame_info): Add ar_size.
8396 (ia64_compute_frame_size): Set it.
8397 (save_restore_insns): Save and restore ar.lc.
8398 (ia64_register_move_cost): New, moved from header file. Handle
8399 application registers.
8400 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8401 (emit_insn_group_barriers): Special case doloop_end_internal.
8402 (ia64_epilogue_uses): Mark ar.lc live at end.
8403 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8404 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8405 (FIRST_PSEUDO_REGISTER): Make room.
8406 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8407 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8408 (REG_ALLOC_ORDER): Update.
8409 (HARD_REGNO_MODE_OK): Update.
8410 (REGISTER_NAMES): Update.
8411 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8412 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8413 (REGNO_REG_CLASS): Update.
8414 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8415 (REGISTER_MOVE_COST): Move out of line.
8416 (PREDICATE_CODES): Update.
8417 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8418 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8419 (shladd_elim splitter): Allow constants in the predicate.
8420 (doloop_end, doloop_end_internal): New.
8422 2000-07-30 Richard Henderson <rth@cygnus.com>
8424 * genattrtab.c (struct insn_def): Add lineno member.
8425 (struct insn_ent): Likewise.
8426 (struct attr_desc): Likewise.
8427 (struct delay_desc): Likewise.
8428 (struct function_unit_op): Likewise.
8429 (struct function_unit): Likewise.
8430 (check_attr_value): Use message_with_line.
8431 (check_defs): Likewise.
8432 (expand_units): Likewise.
8433 (check_attr_test): Take a lineno argument.
8434 (gen_attr): Likewise.
8435 (gen_insn): Likewise.
8436 (gen_delay): Likewise.
8437 (gen_unit): Likewise.
8438 (main): Give it to them.
8439 (convert_set_attr_alternative): Take an insn_def argument
8440 instead of num_alt and insn_index.
8441 (convert_set_attr): Likewise.
8442 (write_test_expr): Protect INSN_ADDRESSES load
8443 with INSN_ADDRESSES_SET_P.
8445 2000-07-30 Richard Henderson <rth@cygnus.com>
8447 * flow.c (init_propagate_block_info): Use pc_set.
8449 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8451 * i386.md (*lea_general_[123]) New insns and splits.
8452 (addsi3 to lea splitter): Handle other modes too.
8453 (shlsi3 to lea splitter): Likewise.
8454 (addhi_1_lea, shlhi_1_lea): New patterns.
8455 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8457 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8459 * recog.c (general_operand, nonimmediate_operand): Accept
8460 any mode for VOIDmode CONSTANT_P operands.
8462 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8464 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8465 instead of replace_rtx.
8466 * recog.c (validate_replace_rtx_subexp): New function.
8467 * recog.h (validate_replace_rtx_subexp): Declare.
8469 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8471 * combine.c (simplify_set, make_extraction, make_compound_operation
8472 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8473 as force_to_mode argument.
8475 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8477 * combine.c (if_then_else_cond): Be sure that mode fits in
8480 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8482 * combine.c (record_promoted_value): Allow bitsize of mode
8483 to be equivalent to HOST_BITS_PER_WISE_INT.
8485 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8487 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8488 Do not call gen_mode_alignment when mode is BLKmode.
8490 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8492 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8494 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8496 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8497 VOIDmode implies both operands to be VOIDmode.
8498 (simplify_ternary_operation): Compute properly the mode of comparison.
8499 * combine.c (combine_simplify_rtx): Likewise.
8501 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8503 * basic-block.h (struct loops): New field rc_order.
8504 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8505 (flow_loops_free): Free rc_order.
8506 (flow_depth_first_order_compute): New parameter rc_order.
8507 (flow_loops_find): Allocate rc_order and swap usage with
8510 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8511 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8513 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8514 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8515 (nodb_call, return_from_epilogue): Likewise.
8516 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8517 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8518 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8519 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8520 (c4x_valid_type_attribute_p): Likewise.
8521 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8522 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8524 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8526 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8527 and loadhi_big_constant if applicable.
8528 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8529 and add new splitter.s
8531 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8533 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8535 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8537 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8539 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8541 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8543 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8545 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8547 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8549 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8550 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8551 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8552 (get_prev_bb_note): Likewise.
8553 (remove_scope_notes): Likewise.
8554 * flow.c (commit_one_edge_insertion): Likewise.
8555 (merge_blocks_nomove): Likewise.
8556 (verify_flow_info): Likewise.
8557 * gcse.c (insert_insn_end_bb): Likewise.
8558 * reg-stack.c (emit_swap_insn): Likewise.
8559 * ssa.c (first_insn_after_basic_block_note): New function.
8560 (insert_phi_node): Use it.
8561 (rename_block): Likewise.
8562 (eliminate_phi): Likewise.
8563 (make_regs_equivalent_over_bad_edges): Likewise.
8564 (make_equivalent_phi_alternatives_equivalent): Likewise.
8565 (for_each_successor_phi): Likewise.
8566 (convert_from_ssa): Modify phi-node deletion algorithm.
8568 2000-07-29 Andreas Jaeger <aj@suse.de>
8570 * configure.in (mips*-*-linux*): Use mips*el to check for little
8571 endian MIPS, add tmake_file.
8573 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8574 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8575 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8577 2000-07-28 Richard Henderson <rth@cygnus.com>
8579 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8580 Sign extend mode size before negating.
8582 2000-07-28 Richard Henderson <rth@cygnus.com>
8584 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8586 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8588 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8589 (cse_insn): Likewise.
8590 (addr_affects_sp_p): Likewise.
8591 * expr.c (move_by_pieces): Likewise.
8592 (clear_by_pieces): Likewise.
8593 * gcse.c (oprs_unchanged_p): Likewise.
8594 * haifa-sched.c (sched_analyze_2): Likewise.
8595 * recog.c (offsettable_address_p): Likewise.
8596 * regclass.c (record_address_regs): Likewise.
8597 * reload.c (find_reusable_reload): Likewise.
8598 (push_reload): Likewise.
8599 (operands_match_p): Likewise.
8600 (decompose): Likewise.
8601 (find_reloads_address_1): Likewise.
8602 (find_inc_amount): Likewise.
8603 * reload1.c (elimination_effects): Likewise.
8604 * resource.c (mark_set_resources): Likewise.
8605 * flow.c (attempt_auto_inc): New function; mostly broken out
8607 (find_auto_inc): Split into two functions and enhanced to
8608 generate POST_MODIFY.
8609 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8610 * rtl.h (count_all_occurrences): Declare.
8611 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8613 * rtlanal.c (count_all_occurrences): New function.
8614 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8615 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8617 * config/ia64/ia64-protos.h (destination_operand): Declare.
8618 * config/ia64/ia64.c (destination_operand): New function.
8619 (ia64_print_operand): Handle POST_MODIFY.
8620 (rtx_needs_barrier): Likewise.
8621 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8622 (HAVE_POST_MODIFY_REG): Define to 1.
8623 (MAX_REGS_PER_ADDRESS): Change to 2.
8624 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8625 (LEGITIMATE_ADDRESS_REG): New helper macro.
8626 (LEGITIMATE_ADDRESS_DISP): Likewise.
8627 (PREDICATE_CODES): Add entry for destination_operand.
8628 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8629 predicate for operand 0.
8631 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8633 * dwarf2out.c: Indent #error directive.
8635 * gbl-ctors.h: Fix typo in comment.
8636 (__do_global_ctors): Prototype.
8638 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8640 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8641 (print_operand): Initialize variable `t'.
8643 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8645 * config/arm/arm.md ("call_value"): removed constraints.
8646 Constraints are ignored in expanders.
8647 (*call_value_reg): split =rf into various constraints.
8648 (*call_value_mem): same
8649 (*call_value_symbol): same
8650 (*sibcall_value_insn): same
8652 2000-07-28 Philipp Thomas <pthomas@suse.de>
8654 * install.texi (--enable-nls): Change the description of the NLS
8655 related configure options to match the current state.
8656 (--with-included-gettext): Likewise.
8657 (--enable-maintainer-mode): New description added.
8658 * extend.texi (-fstrict-prototype): Add missing '.'.
8660 2000-07-27 Jim Wilson <wilson@cygnus.com>
8662 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8663 DECL_INITIAL (decl) == NULL_TREE.
8665 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8667 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8668 on insn-attr.h with it.
8669 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8670 * insn-addr.h: New header.
8671 (insn_addresses_): Renamed from insn_addresses.
8672 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8673 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8674 INSN_ADDRESSES_NEW): New macros.
8675 * genattrtab.c (write_test_expr): Use new macros.
8676 * final.c (insn_addresses, init_insn_lengths): Likewise.
8677 (align_fuzz, shorten_branches): Likewise.
8678 (final): Likewise. Do not reject new insns if their addresses
8679 have been added to INSN_ADDRESSES.
8680 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8681 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8682 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8683 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8684 * config/sh/sh.c: Likewise.
8685 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8687 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8689 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8691 * gcc.c (struct prefix_list): Add member priority.
8692 (enum path_prefix_priority): Declare.
8693 (add_prefix): Replace ``first'' with ``priority''. Append new
8694 entry but keep list in priority order.
8695 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8696 PREFIX_PRIORITY_LAST to add_prefix.
8697 (process_command): Move include kludge - foo/stageN - to before
8700 2000-07-27 Jason Merrill <jason@redhat.com>
8702 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8703 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8705 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8707 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8708 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8710 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8712 * c-decl.c (finish_function): Don't treat 'main' specially unless
8713 flag_hosted. In C99 mode, return 0 from 'main' unless
8714 DEFAULT_MAIN_RETURN is otherwise defined.
8716 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8717 parameters defaulting to int in an old-style function definition.
8719 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8721 * c-parse.in (string): For -Wtraditional, warn about string
8722 concatenation only once per line.
8724 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8726 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8727 for HI-UX/WE2 systems.
8729 2000-07-24 Bruce Korb <bkorb@gnu.org>
8731 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8732 defining the __xxx_TYPE__ macros.
8733 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8734 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8735 * fixincl/inclhack.def(type_map): now obsolete
8737 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8739 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8741 2000-07-26 Dave Pitts <dpitts@cozx.com>
8743 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8745 (mvs_hash_alias): New function.
8746 (mvs_add_alias): Change argument spacing.
8747 (mvs_need_alias): Change aliasing criteria. Added documentation.
8748 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8749 CSECT name collisions.
8750 (mvs_check_alias): Likewise.
8751 (handle_pragma): Change documentation.
8752 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8753 mode from SImode to DImode.
8754 (iorhi3): Changed LTORG size for insn.
8756 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8758 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8759 mem if the address is a mode_dependent_address_p.
8761 2000-07-26 Kazu Hirata <kazu@hxi.com>
8763 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8764 suitable for 8-bit absolute.
8765 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8766 (OK_FOR_U): Add a case for the 8-bit constant address on the
8769 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8771 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8772 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8773 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8774 lack of implemented alignment.
8776 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8778 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8779 cross-compiling between 64-bit and 32-bit machines.
8781 2000-07-27 Richard Henderson <rth@cygnus.com>
8783 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8784 (movhicc_astep, movhi_internal_astep): New.
8785 (movsicc_astep, movsi_internal_astep): New.
8786 (movdicc_astep, movdi_internal_astep): New.
8787 (movsfcc_astep, movsf_internal_astep): New.
8788 (movdfcc_astep, movdf_internal_astep): New.
8789 (movxfcc_astep, movxf_internal_astep): New.
8790 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8791 Unify the cmov[ds]i splitters.
8793 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8795 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8797 2000-07-26 Nick Clifton <nickc@cygnus.com>
8799 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8800 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8802 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8803 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8805 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8807 * c-decl.c (finish_enum): Convert enumerations that fit in an
8809 (build_enumerator): In pedantic mode, cast to `int' those that
8812 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8814 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8816 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8818 * sh.md (cmpgtdi_t): Must be split.
8819 (cmpgtdi_t+1): New splitter.
8821 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8823 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8824 warnings for indented directives even if we are skipping.
8826 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8828 * invoke.texi (strict-prototypes): Remove.
8829 * extend.texi (Deprecated Features): Add strict-prototypes.
8830 (Backwards Compatibility): New node.
8832 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8834 * config/i386/i386.md (andsi_1+1): Allow HImode.
8835 (andsi_1+2): Require q_regs_operand.
8837 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8839 * config/i386/i386.md (call_pop): Check operands[0],
8840 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8842 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8843 (call_value): Likewise.
8845 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8847 * toplev.c (pipe_closed): Delete.
8848 (crash_signal): New. Generate ICE for a fatal signal.
8849 (float_signal): Call crash_signal outside a float-handler
8851 (main): Install crash_signal as handler for core-dumping signals.
8853 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8855 * rs6000.c (print_operand, case 'T'): New case.
8857 * rs6000.md (call_indirect_aix32): Convert to expander of
8858 scheduled instructions.
8859 (call_indirect_aix64): Likewise.
8860 (call_value_indirect_aix{32,64}): Likewise.
8861 (call, call_value): Invoke expanders for AIX. Fall through to
8863 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8864 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8865 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8866 only "g" constraint.
8867 (call_nonlocal_aix64): Likewise.
8868 (call_value_nonlocal_aix{32,64}): Likewise.
8869 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8871 (call_value_nonlocal_sysv): New pattern.
8872 (indirect_jump{si,di}): Use new 'T' modifier.
8873 (tablejump{si,di} matchers): Likewise.
8874 (return_internal_{si,di}): Likewise.
8875 (return_eh_{si,di}): Likewise.
8877 2000-07-24 Richard Henderson <rth@cygnus.com>
8879 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8880 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8881 * config/ia64/ia64.md (movdi_internal): Use it.
8883 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8885 * cppexp.c: Warn about unary + if -Wtraditional.
8886 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8888 2000-07-24 Michael Meissner <meissner@redhat.com>
8890 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8893 2000-07-24 Nick Clifton <nickc@cygnus.com>
8895 * config/arm/arm.c (emit_multi_reg_push): Generate a
8896 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8897 dwarf2out_debug_frame_expr.
8899 2000-07-24 Jason Merrill <jason@redhat.com>
8901 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8902 UNALIGNED_INT_ASM_OP.
8903 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8904 a location expression.
8905 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8906 assume indirect access if we're saving the CFA address exactly.
8908 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8910 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8912 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8915 2000-07-24 Michael Meissner <meissner@redhat.com>
8917 * invoke.texi (D30V Options): Add d30v options.
8919 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8921 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8922 needed by our gcse pass anymore.
8923 (free_pre_mem): Corresponding changes.
8924 (compute_pre_data): Do not call compute_transpout anymore.
8926 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8927 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8930 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8931 (compute_pre_data): Do it here instead.
8933 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8935 (pre_delete): Corresponding changes.
8937 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8939 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8940 to figure out whether or not a variable has already been emitted.
8942 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8944 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8945 instead of gen_call.
8947 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8949 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8951 2000-07-23 Kazu Hirata <kazu@hxi.com>
8953 * h8300.c: Fix formatting.
8955 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8957 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8958 for `long' switch expression into a plain warning.
8960 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8961 (yylex): Don't pedwarn for "inline" in C99 mode.
8963 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8965 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8966 ggc_alloc): Likewise.
8967 * bb-reorder.c (dump_scope_forest_1): Likewise.
8969 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8971 * reload.c (find_reloads_toplev): Add new parameter
8973 (find_reloads): Add new parameter to find_reloads_toplev calls.
8975 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8977 * collect2.c (main): Typo fixed.
8978 * diagnostic.c: Typo fixed.
8979 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8980 * eh-common.h: Typo fixed.
8981 * emit-rtl.c (start_sequence): Typo fixed.
8982 * flow.c (find_label_refs): Typo fixed.
8983 (calculate_global_regs_live): Typo fixed.
8984 (mark_regno_cond_dead): Typo fixed.
8985 (create_edge_list): Typos fixed.
8986 (verify_edge_list): Typo fixed.
8987 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8988 * loop.c (strength_reduce): Typo in function name fixed.
8989 * rtl.h: Added comments. Typo in function name fixed.
8990 * rtlanal.c: Typo in function name fixed.
8991 (insn_dependant_p): Rename to ...
8992 (insn_dependent_p): ... this.
8993 (computed_jumo_p): Typo fixed.
8995 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8997 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8999 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9001 * rs6000.h (SIZE_TYPE): Define.
9003 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9005 * ssa.c (rename_insn_1): Don't rename registers that are
9008 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9010 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9012 (fatal_function, set_fatal_function): Removed.
9013 (fatal): Don't prepare for or call the fatal_function.
9014 (diagnostic_lock, error_recursion): New.
9015 (diagnostic_for_decl, report_diagnostic): Guard against
9016 re-entering the error reporting routines.
9017 (fancy_abort): Assume function is not NULL.
9019 * errors.c (fancy_abort): New. Assume function is not NULL.
9020 * tradcpp.c (fancy_abort): Assume function is not NULL.
9022 * system.h: Provide default definition of __FUNCTION__.
9023 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9024 Always use __FUNCTION__ in definition of abort.
9026 * varray.h: Likewise.
9027 * toplev.h: Likewise. Don't prototype set_fatal_function.
9029 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9031 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9033 * glimits.h: Don't do #if defined for ARCH_PPC.
9035 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9036 constants of size no larger than a pointer should go in the TOC.
9037 Add 'MODE' parameter.
9038 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9039 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9040 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9041 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9042 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9043 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9044 (rs6000_legitimize_address): Likewise.
9045 (rs6000_emit_move): Likewise.
9046 (rs6000_select_rtx_section): Likewise.
9047 (output_toc): Deal properly with outputting small constants like
9048 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9049 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9050 MODE parameter. Put small constants in the TOC.
9052 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9054 (rs6000_emit_move): When reload calls us with an illegitimate
9055 address, exit early. Move the change_address calls to one place
9056 at the end of the routine. Merge the SImode and DImode expanders.
9057 When called by reload to put an integer into a FP register, force
9060 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9062 (rs6000_hash_constant): Hash mode too.
9063 (toc_hash_function): Allow for key_mode.
9064 (toc_hash_eq): Structures are different if key_mode differs.
9065 (output_toc): Add 'mode' parameter. Save key_mode.
9066 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9067 Pass 'mode' parameter.
9068 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9070 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9071 for vtable references.
9073 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9074 choice, don't put integer values in FP regs.
9076 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9078 * flow.c (verify_flow_info): Revamp code to verify that the
9079 head and end of each basic block are in the insn chain.
9081 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9083 * gcse.c (record_one_set): Prepend instead of append onto
9084 reg_set_table, making it O(n) instead O(n^2).
9085 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9086 Use a queue instead of a stack as worklist.
9088 2000-07-20 Kazu Hirata <kazu@hxi.com>
9090 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9091 * h8300.h (OK_FOR_T): New.
9092 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9093 * h8300.md: Use inc/dec.[wl] for increment/decrement
9094 by 1 and 2 in HI and SI modes.
9096 2000-07-20 Jim Wilson <wilson@cygnus.com>
9098 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9099 larger than 14 bits.
9101 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9103 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9104 (count_params): Don't set GNU_REST_ARGS on anything.
9105 (save_expansion): Set PASTE_LEFT only on tokens for which
9106 CAN_PASTE_AFTER is true, or which are named operators.
9108 * cpplex.c (parse_args): Distinguish between a rest argument
9109 given one empty argument, and a rest argument given zero arguments.
9110 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9111 deletion of previous token based on that.
9112 (get_raw_token): Flatten some control structure.
9114 * cpplib.h (CPP_LAST_EQ): Correct.
9115 (VOID_REST): New token flag.
9116 (GNU_REST_ARGS): Delete.
9118 * tradcpp.c (main): Don't munge -D options.
9119 (make_definition): Bring -D handling in line with cpplib.
9120 (do_define): Strip all leading whitespace from macro definitions.
9122 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9124 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9126 2000-07-20 Bruce Korb <bkorb@gnu.org>
9128 * fixincl/check.tpl: strip the platform specific types before testing
9129 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9130 * fixincl/fixincl.tpl: use platform specific types
9131 * fixincl/fixlib.h: include the platform specific types
9132 * fixincl/inclhack.def(gnu_types): don't supply the types
9133 * fixincl/fixincl.x: regen
9135 2000-07-19 Jim Wilson <wilson@cygnus.com>
9137 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9140 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9142 * tradcpp.c (rescan): Do not recognize directives when the #
9145 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9147 Implement C++ named operators.
9149 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9150 of operators allowed in #if and having an _EQ variant. Add
9151 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9152 (cpp_token flags): Add NAMED_OP.
9153 (enum node_type): Add T_OPERATOR.
9154 (struct cpp_hashnode): Add code slot to value union.
9155 * cpphash.h (spec_nodes): Remove n_defined.
9157 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9158 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9159 (is_macro_disabled): Tweak error messages.
9161 * cpplib.c (get_define_node): Disallow all named operators as
9162 macro names. Tweak error messages.
9163 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9165 * cppinit.c (builtin_array): Add entries for the named operators.
9166 * cppexp.c (lex): Check for CPP_DEFINED token.
9167 (priority table): Add entries for CPP_MIN and CPP_MAX.
9168 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9170 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9172 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9173 larger than the array of cuids.
9174 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9177 2000-07-19 Bruce Korb <bkorb@gnu.org>
9179 * fixinc/fixincl.c: Convert to using a table of environment variables
9180 and activate the auto-edit marker on the fixed output files.
9181 * fixinc/fixlib.h: Define the environment table
9182 * fixinc/fixincl.sh: export the ${INPUT} dir
9183 * fixinc/check.tpl: likewise
9185 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9187 * gcc.c (.h spec): Fix typo.
9189 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9191 * Makefile.in: Fix tradcif.c path.
9193 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9195 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9198 * cpphash.h (TOKEN_NAME): New macro.
9199 (_cpp_spell_operator): Deleted.
9200 (token_spellings): Now _cpp_token_spellings.
9202 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9203 * cpplex.c: Use OP and TK macros when expanding the
9204 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9205 store the stringification of the enumeration name (CPP_CHAR,
9206 etc.) in the name slot of token_spellings.
9207 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9208 token_spellings directly.
9209 * cpplib.c: Use TOKEN_SPELL.
9211 * cpplex.c (_cpp_push_token): If the token being pushed back
9212 is the previous token in this context, just subtract one from
9214 * cppmacro.c (save_expansion): Clear aux field when storing a
9217 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9219 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9220 buffer, provided it is not NULL.
9222 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9224 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9225 case of invalid volatile re-declaration.
9227 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9229 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9230 (expand_call): Adjust caller.
9232 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9234 * diagnostic.h (report_diagnostic): Change prototype.
9236 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9237 diagnostic_for_decl): Change prototype.
9238 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9239 error, warning, error_with_file_and_line,
9240 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9241 Adjust call to report_diagnostic, diagnostic_for_decl.
9242 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9243 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9245 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9246 varaible argument list.
9248 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9250 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9251 moved to cppmacro.c.
9252 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9253 dump_hash_helper): Delete.
9254 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9255 cpp_forall_identifiers): New. Implement specialized version of
9256 Vlad's expandable hash table.
9257 (cpp_lookup): Use new functions.
9258 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9260 * cppmacro.c: New file.
9261 * cppinit.c (dump_macros_helper): New.
9262 (cpp_finish): Iterate over the identifier table directly.
9263 * cpplex.c (parse_name): Calculate the hash of the identifier
9264 while we scan it. Use _cpp_lookup_with_hash when we can.
9266 * cpphash.h: Update prototypes.
9267 (xcnewvec, HASHSTEP): New helper macros.
9268 * cpplib.h: Update prototypes.
9269 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9270 (cppmacro.o): New rule.
9271 (cpphash.o): Update deps.
9273 * cppmain.c: Do not set pfile->printer if no_output is on.
9275 2000-07-15 Neil Booth <neilb@earthling.net>
9277 * cpplib.c: Change all directive-handler functions to return
9279 * cpphash.h: Update typedefs.
9281 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9283 * configure: Regenerate.
9285 * extend.texi (Extended Asm): Mention that a memory clobber
9286 does not count as a side-effect.
9288 * unroll.c (copy_loop_body): Fix one instance of using host
9289 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9292 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9294 2000-07-17 Richard Henderson <rth@cygnus.com>
9296 * config/ia64/ia64.md (movdi): Split out load address code.
9297 New post-reload splitter for symbolic operands.
9298 (movdi_internal): Abort if we didn't split symbolic operands
9299 when we should have.
9300 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9301 (ia64_reorg): Split insns when not optimizing.
9302 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9304 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9306 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9307 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9309 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9311 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9313 2000-07-17 Jason Merrill <jason@redhat.com>
9315 * Makefile.in (clean): Remove libgcc directory.
9317 * configure.in (-Wno-long-long check): Use higher-level macros.
9319 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9321 * simplify-rtx.c (simplify_binary_operation): Recognize
9322 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9323 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9324 a CONST_INT, it will always be zero.
9326 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9328 * loop.c (check_dbra_loop) : Return if more than one condition is
9329 present to control the loop.
9331 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9333 * mips.c (mips_expand_prologue): Don't calculate the last argument
9334 register unless we need it. When we are calculating this, make
9335 sure FUNCTION_ARG is giving us a REG.
9337 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9339 * flow.c (libcall_dead_p): Use single_set to verify the insn
9340 has only one set and get for analysis.
9341 (propagate_one_insn): Don't pass the PATTERN of the insn.
9343 2000-07-17 Mark Klein <mklein@dis.com>
9345 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9347 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9349 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9350 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9351 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9352 of second argument of getgroups.
9353 * configure, config.in: Rebuilt.
9355 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9357 * simplify-rtx.c (simplify_relational_operation): Two signed
9358 values with equal high words are less/greater than each other if
9359 their low words are less/greater when considered as unsigned.
9361 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9363 * configure.in (vax-*-openbsd): Change to new style configuration,
9364 add collect2/float_format information.
9365 * configure: Rebuilt.
9366 * config/vax/openbsd1.h: New.
9367 * config/vax/openbsd.h: New.
9368 * config/vax/t-openbsd: New.
9370 2000-07-17 Chip Salzenberg <chip@valinux.com>
9372 * c-common.c (shorten_compare): Quiet warnings about unsigned
9373 comparisons with zero when they occur in a system header.
9375 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9377 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9378 update to describe current practice.
9380 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9382 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9383 references to C9X. Change references to -fstd and -flang-isoc9x
9386 * c-common.c (scan_char_table): Allow "z" length modifiers on
9388 (check_format_info): Use TYPE_DOMAIN on the type matched against
9389 for "z" formats, to retrieve the language size_t rather than the
9392 * c-common.c (check_format_info): Do not make a pedantic objection
9393 to the 'L' length modifier if used with a floating point type
9396 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9397 constants in C99 mode.
9399 2000-07-17 Kazu Hirata <kazu@hxi.com>
9401 * h8300.md: Fix the format of mac.
9402 (movsi_h8300hs): Output a tab after stmac instead of a space.
9404 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9405 profitable adds/subs sequences.
9407 * fold-const.c: Fix comment typos.
9409 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9411 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9413 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9415 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9417 2000-07-16 Neil Booth <NeilB@earthling.net>
9419 * cpplex.c: Update comments.
9420 * README.Portability: Small update.
9422 2000-07-16 Neil Booth <NeilB@earthling.net>
9424 * README.Portability: Small update.
9426 2000-07-15 Richard Henderson <rth@cygnus.com>
9428 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9429 * config/ia64/ia64.c (ia64_move_ok): New function.
9430 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9431 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9433 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9435 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9436 immediately following a paste operator.
9437 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9438 (cpp_reader_init): Call it, if HOST_EBCDIC.
9439 (cpp_handle_options): Do not sort option list here.
9440 (handle_option): Rename to cpp_handle_option and export.
9441 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9442 _cpp_get_token directly.
9443 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9444 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9445 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9448 2000-07-15 Richard Henderson <rth@cygnus.com>
9450 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9451 cast around an expression. Tidy other unsigned tests.
9453 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9455 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9456 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9457 (v_message_with_decl): Rename to ...
9458 (format_with_decl): ... this. Tweak
9459 (diagnostic_for_decl): New function.
9460 (fatal_io_error): Use verbatim in lieu of notice.
9461 (announce_function): Use verbatim.
9462 (default_print_error_function): Likewise.
9463 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9466 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9468 * mips.c (function_arg_pass_by_reference): Don't do automatic
9469 aggregate initialization.
9470 (machine_dependent_reorg): Initialize variable `mode'.
9472 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9473 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9474 conflicts with sys/param.h macro of the same name.
9475 (reload_outdi): Likewise.
9477 2000-07-15 Michael Meissner <meissner@redhat.com>
9479 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9480 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9481 create a new node instead.
9483 2000-07-15 Neil Booth <NeilB@earthling.net>
9485 * README.Portability: Correct example about calling a function
9486 through a pointer to function. Format wide paragraphs.
9488 2000-07-15 Michael Meissner <meissner@redhat.com>
9490 * README.Portability: Update integer suffixes and function
9493 2000-07-15 Neil Booth <NeilB@earthling.net>
9495 * README.Portability: Small update.
9497 2000-07-15 Neil Booth <NeilB@earthling.net>
9499 * README.Portability: New file.
9501 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9503 * INSTALL: Give special instructions for building GCC on Irix 6.
9504 * config/mips/x-iris6 (CC): Don't set it.
9507 2000-07-14 Jason Merrill <jason@redhat.com>
9509 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9510 register in the stack and later in another register, use the new
9513 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9515 * config/mips/mips.md: (absdi2): Handle sign_extend for
9518 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9520 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9522 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9524 * .cvsignore: Correct typo.
9526 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9528 * .cvsignore: Add generated YACC files.
9529 * objc/.cvsignore: New file.
9531 2000-07-14 Neil Booth <NeilB@earthling.net>
9533 * cpplex.c (adjust_column): New funcion.
9534 (skip_whitespace): Use it.
9535 (skip_block_comment): Use it, and warn about /*/* with
9538 2000-07-14 Neil Booth <NeilB@earthling.net>
9540 * cpphash.c (struct macro_info): Add new members.
9541 (_cpp_free_definition): Delete the macro directly.
9542 (count_params): Return void, with first token of
9543 expansion in struct macro_info on success.
9544 (parse_define): Return int. Hoist syntax checking from
9545 save_macro_expansion. Leave call to save_expansion to
9546 _cpp_create_definition.
9547 (alloc_macro): Needs just 2 arguments.
9548 (free_macro): Delete.
9549 (save_expansion): Don't perform syntax check.
9550 (_cpp_create_definition): Call save_expansion.
9552 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9554 * genrecog.c (write_header): Split long string.
9556 * cpphash.c (macro_info): Don't use the `signed' keyword.
9558 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9560 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9562 * calls.c (stored_args_map): New variable.
9563 (check_sibcall_argument_overlap_1): New.
9564 (check_sibcall_argument_overlap): New.
9565 (expand_call): Initialize stored_args_map.
9566 Call check_sibcall_argument_overlap.
9568 2000-07-13 Bruce Korb <bkorb@gnu.org>
9570 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9571 (emit_gnu_type): utility procedure for gnu_type_fix
9572 (gnu_type_fix): implement various pre-processor guards around
9573 standard types so these types can be defined over and over
9574 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9575 types alluded to above will have GNU-compliant base types
9576 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9577 * fixinc/inclhack.def: add test_text entries and utilize the new
9578 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9579 * fixinc/fixincl.x: regenerate
9581 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9583 * diagnostic.c (vline_wrapper_message_with_location,
9584 v_message_with_file_and_line, v_error_with_file_and_file,
9585 v_error_for_asm, v_warning_for_asm, vfatal,
9586 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9587 vsorry, verror, vwarning, vpedwarn): Remove.
9588 (diagnostic_for_asm): New function.
9589 (pedwarn, error, warning, pedwarn_with_file_and_line,
9590 error_with_file_and_line, warning_with_file_and_line, sorry,
9591 error_for_asm, warning_for_asm, fatal): Reimplement.
9592 (finish_diagnostic): Clear diagnostic info as well.
9594 2000-07-13 Neil Booth <NeilB@earthling.net>
9596 * c-common.h (flag_digraphs): New.
9597 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9598 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9601 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9603 * gcc.c (do_spec_1): Add new %B operator.
9604 (set_input): Prepare for %B.
9606 (link_command_spec): Move up with the other tm.h-
9607 overrideable specs. Factor out the portion conditional on
9608 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9609 (struct compiler): Just have a single spec string. All users
9611 (default_compilers): Remove unnecessary braces.
9612 (static_specs): Update.
9614 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9616 (C and assembly specs): Use the new named specs, as appropriate.
9618 * objc/lang-specs.h: Use the new named specs.
9619 Remove unnecessary braces.
9621 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9623 * gcc.c (execute): If a subprocess gets a fatal signal, report
9624 strsignal() of the signal number, and ask for a bug report.
9625 Do not do this for SIGPIPE if there's already been an error.
9627 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9630 * tradcif.c: Remove.
9632 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9634 * final.c (profile_function): Do not emit profile counters in
9635 the data section, if NO_PROFILE_COUNTERS is defined.
9636 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9639 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9640 (FUNCTION_PROFILER): Just emit a call to mcount.
9642 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9644 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9646 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9647 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9648 traditional, lang_chill, or lang_fortran.
9650 * cppfiles.c: #undef strcmp to suppress warning about macros
9651 used without arguments.
9652 (_cpp_execute_include): Use f, not fname, in "No include path"
9654 (_cpp_pop_file_buffer): New function.
9655 * cpplib.c: Don't include <sys/mman.h>.
9656 (cpp_push_buffer): Set line_base and lineno in new buffer.
9657 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9659 * cpplex.c: Move all prototypes and structure declarations to the
9660 top of the file. Properly parenthesise some macro arguments.
9661 (cpp_scan_line): New function.
9662 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9663 don't need to walk up the stack counting.
9665 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9667 * c-common.c (combine_strings): Emit a pedantic warning when a
9668 string length is greater than the minimum ANSI C is required
9671 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9673 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9674 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9676 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9678 * c-decl.c (define_label): Warn about identifier conflicts with
9679 labels in traditional C.
9681 * c-parse.in (unop +): Warn about the unary plus operator for
9684 * c-typeck.c (store_init_value): Warn about automatic aggregate
9685 initialization for traditional C.
9687 * invoke.texi (-Wtraditional): Document new warnings.
9689 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9691 * Makefile.in (c-errors.o): Fix thinko in dependency.
9693 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9695 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9696 -traditional, -ftraditional, or -traditional-cpp was given.
9697 Do not pass -traditional to the preprocessor.
9698 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9699 preprocessor does it automatically.
9700 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9702 * ch/lang-specs.h: Always use tradcpp. Do not pass
9703 -traditional, -trigraphs, or -pedantic to the preprocessor.
9704 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9707 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9709 * cppexp.c (LOGICAL): Delete macro.
9710 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9713 * cpphash.c (HASHSIZE): Increase to 4096.
9714 (struct hashdummy): Add hash field.
9715 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9716 the string values using memcmp.
9717 (cpp_lookup): Set dummy.hash.
9719 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9721 * configure.in (m88k-openbsd): Express configuration using new fragment
9723 * configure: Rebuilt.
9724 * m88k/aout-dbx.h: New.
9725 * m88k/openbsd.h: New.
9726 * m88k/xm-openbsd.h: New.
9728 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9730 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9732 2000-07-12 Richard Henderson <rth@cygnus.com>
9734 * reload.c (push_secondary_reload): Make sure to add the new
9735 reload at the end, after acquiring secondary memory.
9737 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9739 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9741 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9742 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9744 * c-parse.in (stmt): Delete unused variables.
9746 * convert.c (convert_to_vector): Likewise.
9748 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9750 * tree.c (finish_vector_type): Prototype.
9752 2000-07-12 Bruce Korb <bkorb@gnu.org>
9754 * fixinc/fixfixes.c: use xmalloc
9755 * fixinc/fixincl.c(initialize): set program name for xmalloc
9756 * fixinc/fixlib.c(must_malloc): obsolete
9757 (is_cxx_header): no longer used - disabled
9758 (skip_quote): inserted and disabled for future use
9759 * fixinc/fixlib.h: reflects above
9760 * fixinc/fixtests.c: removed dinkleberries
9762 2000-07-12 Neil Booth <NeilB@earthling.net>
9764 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9765 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9767 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9768 struct toklist_dummy): New.
9769 (cpp_free_definition): Free macros with free_macro.
9770 (count_params): Don't save paramter spellings. Save macro
9771 information in a struct macro_info.
9772 (parse_define): Don't allocate a token list.
9773 (save_expansion): Allocate the macro's token list, and
9774 save parameter spellings if necessary. Use TOKEN_SPELL.
9775 (cpp_create_definition): Make list const.
9777 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9779 * c-typeck.c (pedwarn_c99): Move to
9780 * c-errors.c: ... Here.
9781 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9782 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9783 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9784 (c-errors.o): List dependency.
9786 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9788 * c-parse.c: Remove.
9789 * c-parse.h: Likewise.
9790 * c-parse.y: Likewise.
9791 * objc/objc-parse.c: Likewise.
9792 * objc/objc-pasre.y: Likewise.
9794 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9796 * gcc.texi: Fix minor typos
9797 * extend.texi: Fix minor typos
9799 2000-07-11 Marc Espie <espie@openbsd.org>
9801 * collect2.c (main): Recognize .lo as object files.
9803 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9805 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9808 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9809 with MAP_ANONYMOUS and MAP_ANON.
9810 * configure, config.in: Rebuilt.
9812 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9814 * diagnostic.c (save_output_state): Remove.
9815 (restore_output_state): Likewise.
9816 (clear_text_info): New function.
9817 (clear_diagnostic_info): Likewise.
9818 (output_text_length, is_starting_newline, output_prefix,
9819 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9820 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9821 (set_real_maximum_length, output_set_maximum_length,
9822 output_set_prefix, output_get_prefix, output_set_maximum_length,
9823 output_destroy_prefix, init_output_buffer,
9824 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9825 output_add_newline, output_add_character, output_add_space,
9826 output_append_r, output_append, wrap_text, output_format,
9827 output_do_printf, output_printf, output_do_verbatim,
9828 output_verbatim, verbatim): Use them.
9829 (output_clear): Split into cleat_text_info and
9830 clear_diagnostic_info.
9831 (struct output_state): Move to...
9833 * diagnostic.h: ...Here
9834 (struct output_buffer): Adjust.
9836 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9838 * cpplex.c (parse_name): No longer inline (premature optimization).
9839 (do_pop_context): Fold into pop_context.
9840 (pop_context): Returns int.
9841 (lex_next): Hoist test for end of directive into pop_context.
9842 (push_macro_context): Returns int; takes just reader and token.
9843 Hoist test for excessive nesting to caller.
9844 (push_arg_context): Returns void; takes just reader and token.
9845 Do not call stringify_arg or get_raw_token.
9846 (get_raw_token): Convert tail recursion through push_arg_context
9847 to a loop at this level. Call stringify_arg here if appropriate.
9848 (maybe_paste_with_next): Convert tail recursion to a while loop.
9849 Hoist test of paste_level to caller.
9851 (stringify_arg): Push arg context at beginning.
9852 (cpp_get_token): Split out core into _cpp_get_token. Call
9853 process_directive here. Throw away CPP_PLACEMARKER tokens.
9854 (_cpp_get_token): Convert tail recursion through
9855 push_macro_context to a loop at this level.
9856 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9857 _cpp_get_raw_token): Use _cpp_get_token.
9858 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9859 not call pop_context.
9860 (_cpp_run_directive): Call lex_next directly.
9862 * cpphash.h: Prototype _cpp_get_token.
9863 * cppexp.c (lex): Use it.
9864 * cpphash.c (parse_define): Use it.
9865 * cpplib.c (get_define_node, do_undef, parse_include,
9866 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9867 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9868 parse_ifdef, validate_else): Use it.
9869 (cpp_push_buffer): Tweak error message; abort if anyone tries
9870 to push a buffer while macro expansions are stacked.
9872 2000-07-11 Donn Terry <donnte@microsoft.com>
9874 * cpplex.c (free_macro_args, save_token): Cast arg of free
9875 and/or xrealloc to PTR.
9876 (_cpp_init_input_buffer): Clear all fields of the base context.
9878 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9880 * gensupport.c (process_rtx): Make rtl checking stop
9881 complaining about the define_insn while it is being
9882 converted from a define_insn_and_split.
9884 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9886 * config/mips/mips.c (simple_memory_operand): Access the
9887 INTVAL of the address, not it's containing MEM.
9889 2000-07-11 Bruce Korb <bkorb@gnu.org>
9891 * fixinc/fixtests.c(double_slash): obsolete
9892 (else_endif_label): likewise
9893 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9894 (libc1_ifdefd_memx): correct initial comment
9895 and omit the #if/#endif pair from the memxxx declarations
9896 * fixinc/fixincl.x: regen
9898 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9900 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9902 2000-07-11 Neil Booth <NeilB@earthling.net>
9906 2000-07-11 Neil Booth <NeilB@earthling.net>
9908 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9909 (handle_option): Set digraphs according to standard.
9910 Merge OPT_lang_c89 handler with OPT_std_c89.
9912 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9913 accordance with the digraphs flag.
9915 * cpplib.h: (struct cpp_options): New option digraphs.
9917 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9918 Bruce Korb <bkorb@gnu.org>
9920 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9921 * fixinc/fixincl.x: Regenerate.
9922 * fixinc/tests/base/testing.h: Add testcase.
9924 2000-07-10 Richard Henderson <rth@cygnus.com>
9926 * config/ia64/ia64.c (got_symbolic_operand): New.
9927 (symbolic_operand, move_operand): Revert 0701 change.
9928 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9929 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9930 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9931 split the offset into a 14-bit low part instead of a 13-bit low part.
9932 (load_fptr): Mark the mem as unchanging.
9933 (load_symptr): Use got_symbolic_operand.
9935 2000-07-10 Nick Clifton <nickc@cygnus.com>
9937 * libgcc2.c (next_stack_level): Cast result of computation to
9938 (void **) so that the assignment does not generate a warning.
9940 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9942 * flags.h : Add new variable flag_single_precision_constant.
9943 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9944 (flag_single_precision_constant): New.
9945 * c-lex.c (yylex): Convert floating point constant to single
9947 * invoke.texi : Add documentation for this new option.
9949 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9951 * diagnostic.c (output_octal): Second parameter is unsigned.
9952 (output_long_octal): Likewise.
9953 (output_hexadecimal): Likewise.
9954 (output_long_hexadecimal): Likewise.
9955 (output_format): Adjust arguments extraction. Tweak.
9956 (output_verbatim, verbatim): End variable argument list.
9957 (report_diagnostic): Improve documentation.
9959 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9961 * c-common.h (build_stmt): Declare.
9962 (build_continue_stmt): Likewise.
9963 (build_break_stmt): Likewise.
9964 (build_return_stmt): Likewise.
9966 * c-decl.c (do_case): Rewrite to do what previously done in
9969 * c-semantics.c (build_stmt): Define.
9970 (build_return_stmt): Likewise.
9971 (build_break_stmt): Likewise.
9972 (build_continue_stmt): Likewise.
9973 (build_case_label): Likewise.
9975 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9976 (CONTINUE): Likewise.
9979 (DEFAULT): Likewise.
9981 * c-parse.y: Regenerate.
9982 * c-pasre.c: Likewise.
9984 2000-07-09 Jason Merrill <jason@redhat.com>
9986 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9988 * tree.h (STRIP_NOPS): Check for error_mark_node.
9989 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9990 (dwarf2out_*): Remove duplicate declarations.
9992 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9993 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9995 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9997 * diagnostic.c (wrap_text): New function.
9998 (maybe_wrap_text): Likewise.
9999 (output_add_string): Use it.
10000 (output_format): Likewise.
10001 (count_error): Use verbatim instead of notice.
10002 (report_error_function): Likewise. Don't use plain fprintf.
10003 (finish_diagnostic): New function.
10004 (output_do_verbatim): Tweak. Commonalize functionalities in
10005 output_verbatim and verbatim.
10006 (output_verbatim): Adjust.
10007 (verbatim): Likewise.
10008 (report_diagnostic): Define.
10010 * diagnostic.h (report_diagnostic): Prototype.
10012 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10014 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10016 2000-07-09 Neil Booth <NeilB@earthling.net>
10018 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10019 IShspace, ISspace: Update.
10021 * cppinit.c: ISTABLE: Update.
10024 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10025 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10026 (skip_block_comment, skip_line_comment, parse_string,
10027 lex_line): Use is_vspace rather than IS_NEWLINE.
10028 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10029 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10031 (lex_next): Unconditionally stop if within a directive.
10032 Treat directives within macro invocations as directives
10033 (after parse_args emits error), not as the argument.
10035 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10037 * diagnostic.c (diagnostic_args): New macro.
10038 (diagnostic_msg): Likewise.
10039 (output_formatted_integer): Likewise.
10040 (output_state): New data type.
10041 (digit_buffer): Make global.
10042 (output_add_integer): Rename to output_decimal. Squeeze
10044 (output_long_decimal, output_unsigned_decimal,
10045 output_long_unsigned_decimal, output_octal, output_long_octal,
10046 output_hexadecimal, output_long_hexadecimal): New functions.
10047 (output_append_r): New function.
10048 (output_append): Tweak.
10049 (output_flush_on): Rename to output_to_stream.
10050 (output_format): Change prototype. Improve documentation. Handle
10051 more format specifiers.
10052 (build_location_prefix): Rename to context_as_prefix.
10053 (output_notice): Rename to output_do_printf.
10054 (output_printf): Tweak.
10055 (line_wrapper_printf): Likewise.
10056 (vline_wrapper_message_with_location): Adjust call to renamed
10058 (v_message_with_decl): Likewise.
10059 (default_print_error_function): Likewise.
10060 (save_output_state): New function.
10061 (restore_output_state): Likewise.
10062 (output_do_verbatim): Likewise.
10063 (output_verbatim): Define.
10064 (verbatim): Likewise.
10066 * diagnostic.h (printer_fn): Change return type from void to int.
10067 Improve documentation.
10068 (output_add_integer): Rename to output_decimal.
10069 (output_flush_on, output_format): Don't export.
10070 (output_verbatim, verbatim): Declare.
10072 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10074 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10075 Check whether c divides op1 exactly if operation is not
10078 2000-07-08 Richard Henderson <rth@cygnus.com>
10080 * final.c (final): Do not abort when reg-stack introduces
10083 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10085 * cpplib.h (struct cpp_name): Now struct cpp_string.
10086 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10087 CPP_HEADER_NAME): Change to type S.
10088 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10089 field, a cpp_hashnode *. All references to val.name updated
10090 to use val.str or val.node as appropriate.
10091 (struct cpp_reader): Add spec_nodes field.
10092 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10094 * cpphash.h (struct spec_nodes): New.
10095 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10096 val.str. All references to 'spelling > SPELL_NONE' updated to
10099 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10100 pfile->buffer->inc are not NULL before dereferencing them.
10102 * cpplex.c (parse_name): Take a pointer to the current token,
10103 plus current position and limit as args; return the new
10104 position; don't copy the text of a name into the string
10105 buffer, instead call cpp_lookup and store the node pointer.
10106 If extending a token, copy out the text of the old into a
10107 scratch buffer, append the new, look that up and store the new
10108 node pointer. Inline.
10109 (maybe_paste_with_next): If the result of paste is a NAME,
10110 then look up the pasted text and store its node pointer.
10111 (lex_line): Adjust for new parse_name interface.
10112 Check for L"str", L'str' using spec_nodes->n_L.
10113 (spell_token): SPELL_IDENT tokens have their spelling in
10114 val.node->name. Handle SPELL_STRING tokens that don't have
10116 (_cpp_expand_name_space,
10117 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10118 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10119 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10120 return 1=equal 0=not, not a tristate.
10122 * cpphash.c (var_args_str): Delete.
10123 (find_param): Compare node fields directly.
10124 (is__va_args__): Use CPP_PEDANTIC. Just compare
10125 token->val.node with spec_nodes->n__VA_ARGS__.
10126 (dump_funlike_macro): Don't use var_args_str.
10128 * cpplib.c (_cpp_check_directive): Just walk through
10129 spec_nodes->dirs comparing pointers.
10130 (get_define_node, do_pragma_poison, detect_if_not_defined,
10131 parse_ifdef): The identifier has already been looked up.
10132 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10134 (do_if): Only call detect_if_not_defined at beginning of file.
10135 (_cpp_parse_assertion): Only copy string pointers for
10136 SPELL_STRING tokens.
10137 (pragma_dispatch): Take a node pointer and examine its name
10139 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10141 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10143 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10144 reverse order from the corresponding _cpp_init_* routines.
10146 * cppexp.c (parse_number, parse_charconst, parse_defined,
10147 lex): Check val.node->type instead of calling cpp_defined.
10148 Use spec_nodes entries where appropriate.
10150 * fix-header.c, scan-decls.c: Update for interface changes.
10152 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10154 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10155 emitting aux_truncdfsf2.
10157 2000-07-03 Donn Terry (donnte@microsoft.com)
10159 * cppinit.c (print_help): split overlong line into ISO C89
10162 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10164 * cppexp.c: Update all code for new lexer interface.
10165 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10166 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10167 * cpplex.c (token_names): Trim leading CPP_ from names; make
10168 the strings unsigned.
10169 (_cpp_spell_operator): New.
10170 (is_macro_disabled): Disable all macros if rescanning
10172 (_cpp_get_directive_token): Remove.
10174 * cppinit.c: Don't set no_macro_expand.
10175 * cpplib.c (read_line_number, do_line): Check only for EOF,
10177 * cpphash.h: Update prototypes.
10178 * cpplib.h (CPP_VSPACE): Remove.
10179 (struct cpp_reader): Remove no_macro_expand.
10181 2000-07-08 Neil Booth <NeilB@earthling.net>
10183 * cpphash.c (is__va_args__): New function.
10184 (count_params): Fix line reported in error messages. Use
10185 is__va_args__. Don't return ')' on error. Flag GNU style
10186 rest args macro definitions.
10187 (parse_define): Check macro name is not __VA_ARGS__.
10188 (save_expansion): Check identifier in non-varargs-macro is
10189 not __VA_ARGS__. Don't flag GNU_VARARGS.
10190 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10191 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10192 than per-token GNU_VARARGS.
10193 * cpplib.h (GNU_VARARGS): Remove.
10194 (GNU_REST_ARGS): New.
10196 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10198 * i386.md (call_pop, call, call_value_pop): Do not set
10199 current_function_uses_pic_offset_table for calls to static
10200 functions or indirect calls.
10202 2000-07-07 Jim Wilson <wilson@cygnus.com>
10204 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10205 is_predicate_reg, then take max write_count of register pair.
10207 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10209 * tradcpp.c (main): Rename label `include' to `add_include' to
10210 avoid conflicts with variable `include' in traditional C.
10212 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10214 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10216 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10218 * sibcall.c (uses_addressof): Add INMEM argument, check for
10219 current_function_internal_arg_pointer outside of MEM rtxs in addition
10221 (sequence_uses_addressof): Update caller.
10223 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10225 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10228 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10230 * system.h (UNION_INIT_ZERO): New macro for initializing union
10231 members in structs.
10233 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10235 2000-07-07 Neil Booth <NeilB@earthling.net>
10237 * cpp.texi: Update.
10239 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10241 * final.c (final): Detect out of bounds array access to
10242 the insn_lengths array.
10244 2000-07-07 Kazu Hirata <kazu@hxi.com>
10246 * fold-const.c (fold): Fix a comment typo.
10248 2000-07-07 Neil Booth <NeilB@earthling.net>
10250 * cpp.texi: Update to new lexer.
10252 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10254 * tradcpp.c: New file.
10255 * tradcif.y: New file.
10256 * tradcif.c: New generated file.
10258 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10259 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10260 dependencies of C. Install tradcpp from install-common, in
10263 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10265 * cppinit.c: Include cppdefault.h. Refer to
10266 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10267 to GCC_INCLUDE_DIR and its length.
10268 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10269 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10270 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10272 (include_defaults_array): Move to cppdefault.c.
10274 * cppdefault.h: New file.
10275 * cppdefault.c: New file.
10277 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10278 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10279 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10282 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10284 * reload.c (push_reload): When seeing if can reuse a register,
10285 check extra registers against widest of INMODE and OUTMODE.
10287 2000-07-06 Neil Booth <NeilB@earthling.net>
10289 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10290 based on full length of predicate.
10292 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10294 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10295 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10297 2000-07-05 Kazu Hirata <kazu@hxi.com>
10299 * h8300-proto.h: Fix formatting.
10300 * h8300.c: Likewise.
10301 * h8300.h: Likewise.
10303 2000-07-05 Jim Wilson <wilson@cygnus.com>
10305 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10308 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10310 * invoke.texi: Fix minor typos
10311 * md.texi: Fix minor typos
10313 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10315 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10317 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10319 * cpplex.c: Don't include sys/mman.h.
10320 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10322 * cpplib.c: Include sys/mman.h and obstack.h.
10323 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10325 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10326 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10327 bother freeing if stack entries (they will be freed with their buffer).
10328 (do_endif): Free if stack entries from the buffer obstack.
10329 (push_conditional): Allocate if stack entries from the buffer obstack.
10331 (find_answer): Rename to _cpp_find_answer.
10332 (do_assert, do_unassert): Update.
10334 * cpphash.h: Update prototypes.
10335 (xobnew): New convenience macro.
10336 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10338 (struct cpp_hashnode): Remove disabled field.
10340 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10341 (report_missing_guard): Moved to cppfiles.c.
10342 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10344 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10345 cpp_cleanup_includes. Don't destroy hashtab or
10346 all_include_files here.
10347 (cpp_finish): Use _cpp_report_missing_guards.
10349 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10350 (_cpp_init_include_table): Rename _cpp_init_includes.
10351 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10353 * cppexp.c (parse_assertion): Update for new name of
10356 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10358 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10360 * cpplib.c (do_ident): s/VSPACE/EOF/
10362 2000-07-05 Neil Booth <NeilB@earthling.net>
10364 * cpplex.c: Fix trigraph replacement within strings.
10366 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10368 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10370 * xcoffout.c (assign_type_number): Constify.
10371 (xcoffout_source_file): Add static prototype. Don't needlessly
10372 cast away const-ness.
10374 2000-07-04 Jason Merrill <jason@redhat.com>
10376 * frame.h (frame_state): Move base_offset to end.
10378 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10380 * calls.c (emit_library_call_value_1): Revert previous change.
10382 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10384 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10385 (recognized_extern, recognized_function, read_scan_file):
10386 Update for new scheme.
10387 (check_protection): It's still a multiple include guard even
10388 if it doesn't always trigger.
10389 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10391 * scan.h: Declare struct cpp_token. Update prototypes.
10393 2000-07-03 Neil Booth <neilb@earthling.net>
10394 Zack Weinberg <zack@wolery.cumb.org>
10396 Complete overhaul of the lexer and macro expander.
10398 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10399 arg, arglist, argdata, reflist, collect_objlike_expansion,
10400 collect_funlike_expansion, collect_params,
10401 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10402 unsafe_chars, macarg, compare_defs, special_symbol,
10403 scan_arguments, stringify, funlike_macroexpand,
10404 _cpp_quote_string, monthnames): Delete.
10405 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10406 _cpp_create_definition, _cpp_dump_definition,
10407 dump_hash_helper): Adjust.
10408 (find_param, count_params, parse_define, var_args_str,
10409 check_macro_redefinition, save_expansion): New.
10411 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10412 parse_string, output_line_command, trigraph_replace,
10413 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10414 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10415 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10416 _cpp_skip_rest_of_line): Modify.
10418 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10419 find_position, null_warning, bump_column, expand_name_space,
10420 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10421 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10422 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10423 _cpp_prescan): Delete.
10425 (dump_param_spelling, process_directive, lex_next,
10426 is_macro_disabled, stringify_arg, expand_context_stack,
10427 output_token, make_string_token, alloc_number_token,
10428 special_symbol, duplicate_token, maybe_paste_with_next,
10429 can_paste, prevent_macro_expansion, restore_macro_expansion,
10430 get_temp_token, release_temp_tokens, quote_string,
10431 token_names, token_spellings, _cpp_expand_name_space,
10432 _cpp_glue_header_name, _cpp_reserve_name_space,
10433 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10434 placemarker_token, eof_token, cpp_context, macro_args,
10435 get_raw_token, parse_arg, parse_args, save_token,
10436 push_arg_context, push_macro_context, pop_context,
10437 do_pop_context, free_macro_args, _cpp_get_line,
10438 _cpp_run_directive): New.
10440 * cpplib.c (validate_else, parse_include, push_conditional,
10441 pass_thru_directive, read_line_number, parse_ifdef,
10442 detect_if_not_defined, _cpp_check_directive, do_define,
10443 do_undef, do_include, do_import, do_include_next, do_error,
10444 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10445 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10446 do_pragma_poison, do_pragma_system_header,
10447 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10448 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10449 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10450 cpp_defined): Update for new scheme.
10451 (strtoul_for_line, get_define_node, dump_macro_name,
10452 _cpp_check_linemarker, _cpp_parse_assertion): New.
10453 (_cpp_handle_directive, do_pragma_default): Delete.
10455 * cpphash.h (struct predicate): Now struct answer.
10456 (enum spell_type, struct token_spelling, struct directive,
10457 directive_handler): New.
10458 Update prototypes. Remove unused macros.
10459 * cpplib.h: Update prototypes. Remove unused macros,
10460 structure definitions, and fields.
10462 * cpperror.c (print_containing_files, v_message): Adjust.
10463 * cppexp.c (parse_assertion, lex, parse_escape,
10464 _cpp_parse_expr): Adjust.
10465 * cppfiles.c (open_include_file, _cpp_execute_include,
10466 _cpp_compare_file_date, cpp_read_file, read_include_file):
10468 * cppinit.c (dump_special_to_buffer): Delete.
10469 (append_include_chain, merge_include_chains, cpp_reader_init,
10470 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10471 cpp_finish, handle_option, print_help): Adjust.
10472 * cppmain.c (main): Adjust.
10474 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10476 * cppspec.c (lang_specific_driver): Use double quotes in error
10479 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10481 * calls.c (emit_library_call_value_1): Use valreg instead
10482 of hard_libcall_value.
10484 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10486 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10487 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10488 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10496 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10497 mode instead of wider_mode is being used.
10499 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10501 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10502 of 'r'. Use q_regs_operand.
10503 (andsi_1+2): Use q_regs_operand.
10505 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10507 * builtins.c (get_memory_rtx): Always put into alias set 0.
10509 2000-07-03 Nick Clifton <nickc@cygnus.com>
10511 * config/arm/arm.md: Fix post increment and pre increment
10512 peepholes so that they do not generate UNPREDICATBLE opcodes.
10513 (ie ones where the increment clobbers the source/destination).
10515 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10517 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10518 change too big for -mtiny-stack" a warning, if larger than 63.
10519 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10520 always safe to use on possible future devices.
10521 (function_prologue): Write SPH before SPL, for consistency.
10522 If interrupt_func_p true, we know we have enabled interrupts.
10523 (avr_num_arg_regs): New function. Round up to even number of
10524 bytes if no -mpack-args or if calling a libgcc function.
10525 (function_arg, function_arg_advance): Use it.
10526 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10527 Output "movw" if available.
10528 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10529 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10530 (asm_output_section_name): Add blanks for consistent output.
10531 (encode_section_info): Set TREE_READONLY for progmem data to
10532 avoid gas warnings about changed section attributes.
10533 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10534 even numbered registers on devices with "movw".
10535 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10536 (TARGET_SWITCHES): Mark help strings for translation.
10537 Add new -mpack-args and -menhanced switches.
10538 (TARGET_OPTIONS): Mark help strings for translation.
10539 (progmem_section): Add section attributes.
10540 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10541 Output "movw" if available.
10542 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10544 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10545 call convention (arguments aligned on even registers).
10546 (_cleanup, _exit): Make weak symbols libc can override.
10548 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10550 * fp-bit.h: New file.
10552 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10553 Comment #endif statements.
10554 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10556 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10558 * gcse.c (compute_pre_data): Compute ae_kill using other local
10559 properties instead of calling compute_ae_kill.
10561 * alias.c (init_alias_analysis): Do not call
10562 prologue_epilogue_contains until after reload has completed.
10564 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10566 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10567 (genrtl_finish_compound_stmt): Likewise.
10568 (genrtl_compound_stmt): Change to return void.
10570 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10571 move code from here to ...
10572 (genrtl_compound_stmt): ... here.
10573 (genrtl_finish_compound_stmt): Remove.
10574 (expand_stmt): Add comment.
10576 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10578 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10581 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10583 * cpplib.h (struct cpp_reader): New field include_depth.
10584 (struct cpp_printer): Rename last_bsd to last_id.
10585 * cppfiles.c (read_include_file): Bump include_depth.
10586 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10587 (output_line_command): Output correct #line if a header
10588 is including itself and is not protected against multiple inclusion.
10589 Use include_depth instead of buffer_stack_depth, last_id instead of
10591 * cppinit.c (cpp_start_read): Initialize last_id instead of
10594 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10596 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10597 (c-semantics.o): New target.
10599 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10600 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10601 (genrtl_clear_out_block): Likewise.
10602 (genrtl_goto_stmt): Likewise.
10603 (genrtl_expr_stmt): Likewise.
10604 (genrtl_decl_stmt): Likewise.
10605 (genrtl_if_stmt): Likewise.
10606 (genrtl_while_stmt): Likewise.
10607 (genrtl_do_stmt): Likewise.
10608 (genrtl_return_stmt): Likewise.
10609 (genrtl_for_stmt): Likewise.
10610 (genrtl_break_stmt): Likewise.
10611 (genrtl_continue_stmt): Likewise.
10612 (genrtl_scope_stmt): Likewise.
10613 (genrtl_switch_stmt): Likewise.
10614 (genrtl_case_label): Likewise.
10615 (genrtl_begin_compound_stmt): Likewise.
10616 (gerntl_finish_compound_stmt): Likewise.
10617 (genrtl_compound_stmt): Likewise.
10618 (genrtl_asm_stmt): Likewise.
10619 (genrtl_decl_cleanup): Likewise.
10620 (DECL_ANON_UNION_ELEMS): Likewise.
10621 (emit_local_var): Likewise.
10622 (make_rtl_for_local_static): Likewise.
10623 (expand_cond): Likewise.
10624 (expand_stmt): Likewise.
10625 (c_expand_return): Likewise.
10626 (c_expand_start_case): Likewise.
10627 (do_case): Likewise.
10628 (COMPOUND_STMT_NO_SCOPE): Likewise.
10629 (c_expand_asm_operands): Likewise.
10630 (NEW_FOR_SCOPE_P): New macro.
10631 (expand_expr_stmt_fn): New type.
10633 (set_current_function_name_declared): Likewise.
10634 (current_function_name_declared): Likewise.
10635 (lang_expand_stmt): Likewise.
10636 (stmts_are_full_exprs_p): Likewise.
10637 (anon_aggr_type_p): Likewise.
10638 (lang_expand_expr_stmt): Likewise.
10639 (build_case_label): Likewise.
10641 * c-decl.c (lang_expand_expr_stmt): Initialize.
10642 (stmts_are_full_exprs_p): Define.
10643 (current_function_name_declared): Likewise.
10644 (do_case): Likewise.
10645 (lang_expand_stmt): Likewise.
10646 (set_current_function_name_declared): Likewise.
10647 (anon_aggr_type_p): Likewise.
10649 * c-semantics.c: New file.
10650 (expand_cond): Moved from cp/semantics.c.
10651 (genrtl_do_pushlevel): Likewise.
10652 (genrtl_clear_out_block): Likewise.
10653 (genrtl_goto_stmt): Likewise.
10654 (genrtl_expr_stmt): Likewise.
10655 (genrtl_decl_stmt): Likewise.
10656 (genrtl_if_stmt): Likewise.
10657 (genrtl_while_stmt): Likewise.
10658 (genrtl_do_stmt): Likewise.
10659 (genrtl_return_stmt): Likewise.
10660 (genrtl_for_stmt): Likewise.
10661 (genrtl_break_stmt): Likewise.
10662 (genrtl_continue_stmt): Likewise.
10663 (genrtl_scope_stmt): Likewise.
10664 (genrtl_switch_stmt): Likewise.
10665 (genrtl_case_label): Likewise.
10666 (genrtl_begin_compound_stmt): Likewise.
10667 (genrtl_finish_compound_stmt): Likewise.
10668 (genrtl_compound_stmt): Likewise.
10669 (genrtl_asm_stmt): Likewise.
10670 (genrtl_decl_cleanup): Likewise.
10671 (make_rtl_for_local_static): Moved from cp/decl.c.
10672 (emit_local_var): Likewise.
10673 (expand_stmt): Define.
10675 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10676 (c_expand_return): Likewise.
10677 (c_expand_start_case): Likewise.
10679 2000-07-01 Richard Henderson <rth@cygnus.com>
10681 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10682 with the low 13 bits set.
10683 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10684 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10685 of the low 13 bits into a CONST plus an adddi3.
10686 (load_symptr): Set RTX_UNCHANGING_P.
10688 See ChangeLog.3 for earlier changes.