1 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
3 * Makefile.in: Remove all targets related to building
4 distributions and diffs, or INSTALL.
5 * INSTALL, install1.texi: Remove.
6 * configure.in: Remove mention of distdir.
7 * configure: Regenerate.
8 * objc/Make-lang.in: Remove mention of distdir.
10 2000-11-04 Neil Booth <neilb@earthling.net>
12 * cpp.texi: Update for _Pragma.
14 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
16 * gcc.texi (Contributing): Update URL for projects web page.
18 2000-11-04 Neil Booth <neilb@earthling.net>
20 * cpplex.c (parse_string): Don't allow multiline strings in
21 #include family directives.
23 2000-11-04 Neil Booth <neilb@earthling.net>
25 * cpplib.c (do_line): Only warn pedantically if not reading
28 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
30 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
33 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
35 * builtins.c (expand_builtin_strlen): Remove unused mode
37 * gcc.c (process_command): Remove unused variable.
38 * fold-const.c: Include expr.h.
39 * recog.c: Include reload.h.
40 * Makefile.in (recog.o, fold-const.o): Update deps.
42 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
44 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
46 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
48 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
50 (STARTFILE_SPEC): Likewise.
51 (LINK_SPEC): Likewise.
53 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
56 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
57 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
59 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
61 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
62 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
63 perm_calloc, get_identifier, maybe_get_identifier,
64 real_value_from_int_cst, simple_cst_equal), varasm.c
65 (assemble_name, assemble_real, immed_real_const_1,
66 compare_constant_1, decode_rtx_const, output_constant_pool): Use
67 strrchr () instead of rindex (). Use memcmp () instead of bcmp
68 (). Use memcpy () instead of bcopy (). Use memset () instead of
71 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
73 * cppfiles.c (open_file): If already read, then don't reopen.
74 Immediately close an empty file.
76 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
78 * expr.h (fold_builtin): Move declaration...
79 * tree.h (fold_builtin): ... here.
81 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
83 * flow.c (verify_local_live_at_start): Allow hard regs to die.
85 2000-11-02 Neil Booth <neilb@earthling.net>
88 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
89 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
90 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
91 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
92 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
93 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
94 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
95 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
96 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
97 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
98 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
99 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
100 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
101 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
102 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
103 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
104 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
105 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
106 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
107 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
108 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
109 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
110 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
111 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
112 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
113 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
114 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
115 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
116 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
117 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
118 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
119 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
120 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
121 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
122 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
123 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
124 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
125 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
126 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
127 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
128 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
129 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
130 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
131 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
132 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
133 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
134 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
135 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
136 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
137 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
138 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
139 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
140 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
141 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
142 vax/vaxv.h, vax/vms.h, we32k/we32k.h
144 Replace -A() with -A=, the new assertion syntax.
146 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
148 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
150 In REG_DEAD handling: When handling parts of multi-hard-reg hard
151 registers, increment the loop counter by the size of the parts;
152 use recursion to handle individual parts.
154 2000-11-02 Neil Booth <neilb@earthling.net>
156 * configure.in: Make integrated CPP the default.
157 * configure: Regenerate.
159 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
161 * reload.c (find_equiv_reg): Test all hard registers for membership
162 in the requested class.
164 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
166 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
167 process_command, main), gcov.c (open_files, output_data), tlink.c
168 (frob_extension, scan_linker_output), toplev.c
169 (file_name_nondirectory): Use strchr () and strrchr () instead of
170 index () and rindex ().
172 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
174 * c-common.c (get_flag_spec, check_format_info_main,
175 check_format_types): Use strchr () instead of index (). Compare
176 against error_mark_node instead of comparing the TREE_CODE against
179 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
183 * c-lex.c (init_c_lex): Update cpp_start_read call.
184 (cb_ident): Update for new callback prototype.
185 (cb_def_pragma): Update for new cpp_get_token prototype.
186 (c_lex): Similarly. Use cpp_get_line.
188 * c-parse.in (finish_parse): Update for new cpp_finish
191 * cp/lex.c (finish_parse): Similarly.
193 2000-11-01 Geoff Keating <geoffk@cygnus.com>
195 * machmode.def: Add V16QImode.
197 2000-11-01 Richard Henderson <rth@redhat.com>
199 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
200 from rtl_for_decl_location.
201 (add_location_or_const_value_attribute): Likewise.
203 2000-11-01 Neil Booth <neilb@earthling.net>
205 * cpplib.c (run_directive): Use correct line number for output
206 of _Pragma. Remember any in-progress directive.
208 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
210 2000-11-01 Richard Henderson <rth@redhat.com>
212 * stmt.c (expand_start_null_loop): Set continue_label.
214 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
216 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
217 (expand_builtin_constant_p): Move parts of the code into
218 fold_builtin_constant_p.
219 (expand_builtin_strlen): Move parts of the code into fold_builtin.
220 * expr.h (fold_builtin): Declare.
221 * fold-const.c (fold): Handle builtin calls.
223 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
225 2000-11-01 Richard Henderson <rth@redhat.com>
227 * stmt.c (expand_start_null_loop): New.
228 (expand_end_null_loop): New.
229 * c-semantics.c (genrtl_do_stmt): Use them.
230 * tree.h: Declare them.
232 2000-11-01 Richard Henderson <rth@redhat.com>
234 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
236 2000-11-01 Neil Booth <neilb@earthling.net>
238 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
239 * cp/spew.c: Similarly.
240 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
241 * cppmacro.c (stringify_arg): Similarly.
242 * cpplib.h (CPP_BACKSLASH): Delete.
244 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
246 * builtins.c (expand_builtin_strstr): New function.
247 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
249 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
251 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
254 2000-10-31 Richard Henderson <rth@redhat.com>
256 * config/i386/i386.c (fcmov_comparison_operator): Check for
257 CCFPmode or CCFPUmode instead of CCmode.
258 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
259 unordered operations as well.
261 2000-10-31 Richard Henderson <rth@redhat.com>
263 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
264 of integer_zero_node.
266 2000-10-31 Richard Henderson <rth@redhat.com>
268 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
270 2000-10-31 Nick Clifton <nickc@redhat.com>
272 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
273 -fdata-sections to override the section attribute of a DECL.
275 2000-10-31 Chris Demetriou <cgd@sibyte.com>
277 * libgcc2.c (__shtab): Remove __shtab variable.
278 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
279 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
282 2000-10-31 Jim Wilson <wilson@redhat.com>
284 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
285 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
286 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
287 instead of ASM_OUTPUT_INTERNAL_LABEL.
288 (dwarf2out_end_block, dwarf2out_label): Likewise.
289 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
290 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
292 2000-10-31 Richard Henderson <rth@redhat.com>
294 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
295 (size_of_locs): Set it.
296 (output_loc_operands): Use it to compute branch displacement.
297 (int_loc_descriptor): New.
298 (mem_loc_descriptor): Dereference memory in the proper size.
299 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
300 (loc_descriptor_from_tree): New.
301 (rtl_for_decl_location): Break out from ...
302 (add_location_or_const_value_attribute): ... here.
303 (add_bound_info): Use loc_descriptor_from_tree.
305 2000-10-31 Neil Booth <neilb@earthling.net>
307 * cpp.texi: Update for new command line assertion syntax.
308 * cpplib.c (cpp_define): Simplify a bit.
309 (cpp_assert, cpp_unassert): Use handle_assertion.
310 (handle_assertion): New function; accept new command line
312 * testsuite/gcc.dg/cpp/assert3.c: New tests.
314 2000-10-31 Neil Booth <neilb@earthling.net>
316 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
317 undefined. Remove #ifdef check.
318 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
319 Define STDC_0_IN_SYSTEM_HEADERS to 1.
321 2000-10-31 Jan Hubicka <jh@suse.cz>
322 Jakub Jelinek <jakub@redhat.com>
324 * config/i386/i386.h: Clarify CCNOmode description in comment.
325 (EXTRA_CC_MODES): Remove CCRCmode.
326 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
327 (put_condition_code, ix86_match_ccmode): Likewise.
328 (ix86_cc_mode): Likewise. Fix comment.
329 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
330 * config/i386/i386.md: Add unspec 12 description.
331 (adddi3 split): Use unspec 12 instead of CCRCmode.
332 (addsi3_carry_rc): Remove.
333 (addsi3_cc, addqi3_cc): New patterns.
334 (addsi_3): Swap operands, match CCZmode.
335 (addsi_4): Rewritten.
336 (addsi_5): Renamed from addsi_6.
338 (addhi_3): Swap operands, match CCZmode.
339 (addhi_4): Rewritten.
340 (addhi_5): Renamed from addhi_6.
342 (addqi_3): Swap operands, match CCZmode.
343 (addqi_4): Rewritten.
344 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
345 (subsi3_carry_rc): Removed.
346 (iorqi_3): Use =q constraint for clobber.
347 (xorqi_cc_2): Likewise.
348 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
349 (x86_movsicc_0_m1_rc): Removed.
350 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
352 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
354 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
355 and decrement of complex types.
357 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
360 builtin fputs, ensure we still evaluate the stream in case it
363 2000-10-31 Jakub Jelinek <jakub@redhat.com>
365 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
368 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
370 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
371 (fp_extended_operand, emit_fpscr_use): Likewise.
372 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
373 (fpul_operand): New function.
374 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
375 fp_extended_operand. Add fpul_operand.
376 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
377 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
378 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
379 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
380 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
381 (divdf3_i): Likewise.
382 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
383 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
384 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
385 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
386 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
388 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
390 * config/i386/i386.c (ix86_init_builtins): Correct return type
391 building v4hi_ftype_v4hi_int_int tree node.
392 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
393 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
395 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
397 (mmx__uavgv8qi3): Correct insn mnemonic.
398 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
399 (mmx_punpckhwd): Correct insn mnemonic.
400 (mmx_punpckhdq): Likewise.
401 (mmx_punpcklwd): Likewise.
402 (mmx_punpckldq): Likewise.
403 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
404 Renumber case labels to match the _mm_prefetch constants defined in
407 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
408 if the splitter didn't emit new insns.
409 Make sure we call cleanup_subreg_operands even when splitting the last
410 insn in a basic block.
412 * invoke.texi (Debugging Options): Describe -do.
413 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
414 (dump_file): Likewise.
415 (rest_of_compilation): Split .greg dump into .greg and .postreload.
417 2000-10-30 Neil Booth <neilb@earthling.net>
419 * cppfiles.c (stack_include_file): Check for stacked contexts
421 * cpphash.h (_cpp_do__Pragma): New prototype.
422 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
424 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
425 escaped newlines if !(buffer->from_stage3).
426 (_cpp_lex_token): Warn about missing newlines iff
427 !buffer->from_stage3.
429 * cpplib.c (get__Pragma_string, destringize,
430 _cpp_do__Pragma): New functions.
431 (run_directive): Set output_line for _Pragma to avoid line
432 markers in output. Set from_stage3 and prevent macro expansion
433 for _Pragma and command-line options. Check buffer exhaustion.
434 (cpp_push_buffer): Don't check for stacked macro contexts, as
435 this is perfectly legitimate for _Pragma. Move the check to
436 stack_include_file instead. Set from_stage3 iff buffer is
439 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
440 unsigned. New boolean from_stage3.
441 (struct spec_nodes): Add n__Pragma.
443 * cppmacro.c (enter_macro_context): Flip sense of return value.
444 (_cpp_get_token): Handle _Pragma operator.
446 2000-10-30 Phil Edwards <pme@sources.redhat.com>
448 * gcc.texi: The C++ standard isn't "draft" anymore.
450 2000-10-30 Mark Mitchell <mark@codesourcery.com>
452 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
454 2000-10-29 Neil Booth <neilb@earthling.net>
456 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
458 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
460 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
461 fixinc/inclhack.def: Change comments mentioning C9X to refer to
464 * invoke.texi: Document that -V will only work for very similar
465 versions of driver and compiler.
467 2000-10-29 Neil Booth <neilb@earthling.net>
469 * cppmacro.c (_cpp_create_definition): Optimize the case of
470 a macro defined to itself.
472 2000-10-29 Neil Booth <neilb@earthling.net>
474 * cpplex.c (save_comment): Don't store new lines in C++ comments.
476 2000-10-29 Michael Hayes <mhayes@redhat.com>
478 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
480 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
482 * cpphash.c (cpp_forall_identifiers): Add context variable
483 for callback routine.
484 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
486 (main): Call cpp_forall_identifiers with null context.
487 * cpplib.h (cpp_forall_identifiers): Update prototype.
489 * cppmain.c: Make `parse_in' and `print' static.
491 2000-10-28 Alan Modra <alan@linuxcare.com.au>
493 * c-decl.c (finish_function): Clear c_function_name_declared_p.
495 2000-10-28 Richard Henderson <rth@redhat.com>
497 * regrename.c (scan_rtx_address): Frob action, not class,
498 when trying to disable optimization.
500 2000-10-28 Mark Mitchell <mark@codesourcery.com>
502 * c-semantics.c (make_rtl_for_local_static): Don't clobber
505 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
507 * configure.in: Determine and substitute gcc_version_full.
508 * configure: Regenerate.
509 * gccbug.in: Use it to give full version. Don't allow
512 2000-10-28 Richard Henderson <rth@redhat.com>
514 * recog.c (split_all_insns): Run cleanup_subreg_operands
517 * regrename.c (regrename_optimize): Verify that all registers of
518 a multiple register mode are available.
519 (scan_rtx_address): Accept the mode of the address; all callers
522 * cpplib.c (run_directive): Fix prototype.
524 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
526 * reload.c (find_reloads): Distinguish "wins" so that we know whether
527 a given operand won because of a matching constraint or not; then use
528 that information to compute goal_alternative_matched properly.
529 * reload1.c (choose_reload_regs): Never set reload_override_in for an
532 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
533 accurate value for MULT.
534 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
535 2% or > 98% before using static branch prediction bits.
537 2000-10-28 Neil Booth <neilb@earthling.net>
541 * cpplib.c (struct answer): New.
542 (struct if_stack): Use cpp_lexer_pos rather than line and col.
543 Rename cmacro mi_cmacro.
544 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
545 IN_I): New directive and flags.
546 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
547 parse_answer, parse_assertion, find_answer): New functions.
548 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
549 (lex_macro_node): New function to replace parse_ifdef and
552 (_cpp_handle_directive): New function, combines _cpp_check_directive
553 and _cpp_check_linemarker.
555 (do_define, do_undef, parse_include, do_include, do_import,
556 do_include_next, read_line_number, do_line, do_ident, do_pragma,
557 do_pragma_once, do_pragma_poison, do_pragma_dependency):
558 Update for new token getting interface.
560 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
561 : Update for new multiple-include optimisation technique.
562 (do_elif): Don't forget to invalidate controlling macros.
564 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
565 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
566 Functions to handle assertions with the new token interface.
567 (do_assert, do_unassert): Use them.
569 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
572 (_cpp_init_stacks): Register directive names. Don't register special
575 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
576 new position recording regime.
577 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
578 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
579 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
580 (cpp_type2name): Move to cpplex.c.
582 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
583 (parse_defined): Update to handle new multiple include optimisation
584 method. Remove poisoned identifier warning.
585 (parse_assertion, TYPE_NAME): Delete.
586 (lex): Update for multiple include optimisation, removal of
587 CPP_DEFINED, to use _cpp_test_assertion for assertions and
589 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
590 (op_as_text): New function, to wrap cpp_token_as_text.
592 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
593 Update for MI optimisation.
594 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
595 segfault on diagnostic.
596 (_cpp_compare_file_date): Take a token rather than 3 args.
597 (cpp_read_file): Work correctly for zero-length files.
599 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
600 _cpp_init_hashtable and _cpp_cleanup_hashtable.
601 (cpp_lookup): Place identifiers at front of identifier pool
602 for _cpp_lookup_with_hash.
603 (_cpp_lookup_with_hash): Require identifiers to be at the front of
604 the identifier pool. Commit the memory if not already in the
607 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
608 Initialise various members of cpp_reader, memory pools, and the
610 (cpp_printer_init): Delete.
611 (cpp_cleanup): Update.
612 (struct builtin, builtin_array, initialize_builtins): Update for new
613 hashnode definition and builtin handling.
614 (cpp_start_read, cpp_finish): Don't take or initialise a
617 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
618 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
619 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
620 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
621 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
622 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
623 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
624 struct toklist, struct cpp_context, struct specnodes,
625 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
626 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
627 enum builtin_type, cpp_can_paste): New.
628 (struct cpp_token): Delete line and col members.
629 (struct cpp_buffer): New member output_lineno.
630 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
631 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
632 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
633 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
634 base_context, context, directive, mi_state, mi_if_not_defined,
635 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
636 mlstring_pos, macro_buffer, macro_buffer_len.
637 Delete members mls_line, mls_column, token_list, potential_control_macro,
638 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
639 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
640 save_parameter_spellings, need_newline, .
641 Change type of date, time and spec_nodes members.
642 Change prototypes for include and ident callbacks.
643 (struct cpp_hashnode): Change type of name. Remove union members
644 expansion and code. Add members macro, operator and builtin.
646 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
647 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
648 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
649 cpp_stop_lookahead): New prototypes.
650 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
652 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
655 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
656 ufputs): Move to cpplib.h.
657 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
658 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
659 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
660 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
661 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
662 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
663 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
664 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
665 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
666 _cpp_parse_assertion, _cpp_find_answer): Delete.
667 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
668 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
669 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
670 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
671 _cpp_handle_directive, DSC): New.
672 (struct include_file): New member defined.
674 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
675 _cpp_compare_file_date): Update.
676 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
677 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
678 _cpp_cleanup_hashtable.
680 * Makefile.in: Remove cppoutput.c.
682 * cppoutput.c: Delete
684 * fixheader.c (read_scan_file): Update for new cpp_get_token
686 (recognized_function): New argument LINE.
688 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
689 new cpp_get_token prototype.
691 * scan.h (recognized_function): Update prototype.
693 * po/POTFILES.in: Remove cppoutput.c.
695 2000-10-27 Mark Mitchell <mark@codesourcery.com>
697 * c-typeck.c (check_init_type_bitfields): Remove.
698 (constructor_incremental): Likewise.
699 (struct constructor_stack): Remove incremental bit.
700 (struct initializer_stack): Likewise.
701 (start_init): Don't play with constructor_incremental.
702 (finish_init): Likewise.
703 (really_start_incremental_init): Likewise.
704 (push_init_level): Likewise.
705 (pop_init_level): Likewise.
706 (output_init_level): Likewise.
707 (output_pending_init_elements): Likewise.
709 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
711 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
712 Improve error messages. Correct parsing of
713 #pragma pack(pop [,id]). Do not check the user-supplied
714 alignment if we're popping.
716 * gcc.dg/pack-test-1.c: New test case.
717 * gcc.dg/pack-test-2.c: New test case.
718 * gcc.dg/pack-test-1.h: New file.
720 2000-10-27 Neil Booth <neilb@earthling.net>
724 2000-10-27 Kelley Cook <kelley.cook@home.com>
726 * invoke.texi: Document -mintel-syntax
728 2000-10-27 Richard Henderson <rth@redhat.com>
730 * invoke.texi: Document -frename-registers. Add it to -O3.
731 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
732 (enum dump_file_index, dump_file): Update order.
733 (main): Set flag_rename_registers at -O3.
735 2000-10-27 Richard Henderson <rth@redhat.com>
737 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
738 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
739 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
740 * config/alpha/alpha.md (call_osf_1): Use it.
741 (call_value_osf_1): Likewise.
743 * config/ia64/ia64.c: Revert 10-23 patch.
744 (ia64_hard_regno_rename_ok): New.
745 * config/ia64/ia64-protos.h: Declare it.
746 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
748 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
749 Richard Henderson <rth@redhat.com>
751 * regrename.c: Rewrite to handle multi-register modes and
752 cond_exec instructions.
753 * Makefile.in (regrename.o): Update dependancies.
754 * recog.h (struct operand_alternative): Add is_address.
755 * recog.c (preprocess_constraints) [case 'p']: Set it.
757 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
759 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
760 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
761 top level. Kill oldstyle_subdirs. Do not include
762 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
763 $outputs. Do not run configure.lang from config.status.
764 Rearrange warning-flag logic to correspond to what the
765 makefile wants. Put special vax stage1 options in
766 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
767 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
768 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
769 switch is given, nothing otherwise.
770 * configure.lang: Delete.
772 * Makefile.in: Expunge all traces of extra_c_objs,
773 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
774 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
775 warning options via a three level scheme so that -pedantic and
776 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
777 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
778 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
779 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
780 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
781 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
782 generation rules. Wrap all rules that change the current
783 directory in parentheses; pmake doesn't spawn a new shell for
784 each command. Expunge all references to $(P). When one
785 command depends on another and they're run all at once, use &&
786 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
787 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
790 * objc/Make-lang.in: Wrap all rules that change the current
791 directory in parentheses. Expunge all references to $(P).
792 When one command depends on another and they're run all at
793 once, use && to separate them, not ;. Add OUTPUT_OPTION to
794 all object-file generation rules. Delete obsolete variables.
795 * objc/Makefile.in: Delete.
797 2000-10-27 Jakub Jelinek <jakub@redhat.com>
799 * calls.c (expand_call): If sibcall_failure is set during pass 1,
800 clear tail_call_insns as well.
802 2000-10-27 Nick Clifton <nickc@redhat.com>
804 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
807 2000-10-26 Richard Henderson <rth@redhat.com>
809 * calls.c (expand_call): Supress sibcall if we have a
810 BLKmode return in registers.
812 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
814 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
817 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
819 * tree.c (make_node, case 't'): Set alignment to that of
821 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
823 2000-10-25 Mark Mitchell <mark@codesourcery.com>
825 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
826 * configure.in (enable-libstdcxx-v3): Arrange to have
827 HAVE_LIBSTDCXX_V3 substituted into the output files.
829 2000-10-25 Richard Henderson <rth@redhat.com>
831 * recog.c (constrain_operands): Initialize which_alternative
832 before no alternatives early exit.
834 * cse.c (find_comparison_args): Check that we can reverse a
835 comparison if needed before accepting the substitution.
837 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
839 * simplify-rtx.c (simplify_relational_operation): Sign extend
840 low words before sign extending to high words.
842 2000-10-25 Nick Clifton <nickc@redhat.com>
844 * config/mcore/mcore.c: Include config.h before system.h.
846 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
848 * config/mcore/mcore.md (return): Force function epilogue to
849 always be generated to work around epilogue suppression bug in
852 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
854 * c-decl.c (grokdeclarator): Move warning for qualified void
855 return types with -pedantic to when the function type is
856 constructed. At -W, warn in general for qualified function return
857 types, except for volatile void.
858 * invoke.texi: Document this new warning at -W.
860 2000-10-25 Neil Booth <neilb@earthling.net>
862 * cpp.texi: Update with implementation-defined behavior and
865 2000-10-25 Jakub Jelinek <jakub@redhat.com>
867 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
868 incomplete type force it into alias set 0.
870 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
872 * alias.c: Include basic-block.h.
873 (loop_p): New function.
874 (mark_constant_function): Use it.
875 * Makefile.in (alias.o): Update dependencies.
877 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
879 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
882 2000-10-24 Jim Wilson <wilson@cygnus.com>
884 * expmed.c (store_bit_field): Move integer pun code down after
885 code that calls emit_move_insn for entire register move.
886 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
887 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
889 2000-10-24 Richard Henderson <rth@cygnus.com>
891 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
892 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
894 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
896 * gcse.c (cprop_insn): do not propagate constants into jump_insn
897 for machines with CC0 more than once.
899 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
901 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
902 pseudos just like memory.
904 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
906 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
907 when deleting libcall sequence collapsed to a single instruction.
909 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
911 * expr.c (do_store_flag): Don't crash if either side of a
912 comparison is error_mark_node.
914 2000-10-24 Jakub Jelinek <jakub@redhat.com>
916 * sibcall.c (purge_mem_unchanging_flag): New function.
917 (optimize_sibling_and_tail_recursive_calls): Call it.
919 2000-10-24 Philipp Thomas <pthomas@suse.de>
921 * Makefile.in (check-po): New target for doing checks in the po
922 subdir if all languages configured.
923 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
924 configure if NLS is enabled.
925 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
926 otherwise leave empty.
927 * configure: Regenerate.
929 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
931 * i386.c (print_operand): Handle new 'A' formatting code.
932 387 opcodes need suffixes even with -mintel-syntax.
933 Check for explicit size override (codes 'b', 'w' and 'k').
934 (print_operand_address): Check if register prefix is needed when
935 emitting `ds' segment override.
936 * i386.h: Add comment about new 'A' formatting code.
937 * i386.md (jump and call patterns): Emit absolute references using %A.
939 2000-10-23 Richard Henderson <rth@cygnus.com>
941 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
942 output registers as fixed.
943 (ia64_function_epilogue): Undo output fixation.
945 2000-10-23 Richard Henderson <rth@cygnus.com>
947 * config/alpha/alpha.md: Add names for all unnamed insns; use
948 define_insn_and_split in some obvious places.
950 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
951 (zero_extendqisi2, zero_extendqidi2): Likewise.
952 (zero_extendhisi2, zero_extendhidi2): Likewise.
953 (abs splitters): Fix match_scratch operand number.
954 (bcc_reverse): Swap pc & label instead of non-canonical compare.
956 2000-10-23 Jim Wilson <wilson@cygnus.com>
958 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
960 * ia64.md (cmpsi_adjusted): Use %r3.
961 (cmpdi_adjusted): Likewise.
963 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
965 * config/i386/att.h (ASM_FILE_START): Define.
967 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
969 * config/i386/linux.h (ASM_FILE_START): Define.
971 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
973 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
974 since this (only) drags in a crt0.o reference that the .ld files
977 2000-10-23 Geoff Keating <geoffk@cygnus.com>
979 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
980 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
981 reloads just like an RELOAD_FOR_OUTPUT would.
983 * local-alloc.c (update_equiv_regs): Add an abort(). When
984 deleting or moving insns, update reg_equiv[regno].init_insns.
986 2000-10-23 Mark Mitchell <mark@codesourcery.com>
988 * c-tree.texi: Improve documentation for IF_STMTs and related
989 conditional statements.
991 2000-10-22 Mark Mitchell <mark@codesourcery.com>
993 * expr.c (do_preexpand_calls): Remove.
994 (same_from_p): Don't use CALL_EXPR_RTL.
995 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
996 (preexpand_calls): Remove.
997 * tree.c (first_rtl_op): Remove CALL_EXPR case.
998 (unsave_expr_1): Likewise.
999 * tree.def (CALL_EXPR): Give it only two slots.
1000 * tree.h (CALL_EXPR_RTL): Remove.
1002 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1004 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1005 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1008 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1010 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1011 adjust stack when unadjusted_alignment ends up as zero.
1013 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1015 * fixinc/genfixes: Remove EGCS reference.
1016 * install.texi: Remove EGCS reference.
1017 * INSTALL: Regenerate.
1019 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1021 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1023 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1025 * diagnostic.c: Remove EGCS reference in comment.
1027 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1029 * loop.c (strength_reduce): Fix error in last change.
1031 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1033 * Makefile.in (SHLIB_NM_FLAGS): New.
1034 (libgcc.mk): Pass it.
1035 * mklibgcc.in (libgcc.map): Use it.
1037 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1038 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1040 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1042 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1044 * sparc.c (load_pic_register): Delete unused varaible.
1046 * libgcc2.c (__addvsi3): Delete unused variable.
1048 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1049 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1050 __negvdi2): Prototype.
1052 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1054 * toplev.c (display_target_options): Make static to match
1055 prototype. Delete empty declaration.
1057 2000-10-20 Tom Tromey <tromey@cygnus.com>
1059 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1060 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1062 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1064 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1066 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1067 a constant before comparing it; use tree_low_cst.
1068 * tree.c (save_expr): Set TREE_READONLY.
1069 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1070 (build, build1): Set TREE_READONLY if all operands are.
1071 (build_index_type): If upper bound is a negative number, lower
1072 bound is zero and sizetype is unsigned, use upper bound of one and
1075 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1077 * gcc.c (process_command, main): Use "because" instead of
1078 "since" in error messages.
1080 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1083 Don't use mode of field for record unless sizes are the same.
1084 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1085 previously added for Ada; also change to using host_integerp
1088 * loop.c (strength_reduce): Show when new register made for
1089 giv is known to be a pointer and its aligment if so and known.
1090 (loop_dump_aux): Show VERBOSE parameter unused.
1092 * gcse.c (set_hash_table_size): Now unsigned.
1093 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1094 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1095 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1096 (sdbout_end_epilogue): Remove variable NAME.
1097 * system.h (getopt): Add default definition.
1098 * config/alpha/alpha.c (print_operand): Don't continue processing
1099 after issuing error.
1100 (summarize_insn): Avoid use of UL in constant.
1102 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1104 * fold-const.c (force_fit_type): Unsigned values can overflow
1105 if they are sizetype.
1106 (int_const_binop): Don't use cache if overflows.
1108 2000-10-20 Richard Henderson <rth@cygnus.com>
1110 * function.c (locate_and_pad_parm): Zero alignment_pad.
1112 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1113 perform substitutions, and apply_change_group to see if it worked.
1115 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1119 * combine.c (struct undo): Change int to unsigned int.
1120 (do_SUBST_INT): Args are unsigned int.
1121 (make_extraction, force_to_mode): Use proper type when forming mask.
1122 (make_field_assignment): Likewise.
1124 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1126 * c-common.c (check_format_info_recurse): Extract string constant
1127 initializers from non-volatile constant arrays and check them as
1129 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1130 for DECL_MODE (decl) != BLKmode.
1131 (decl_constant_value_for_broken_optimization): New function which
1132 includes these checks.
1133 (default_conversion, convert_for_assignment, digest_init): Use
1134 decl_constant_value_for_broken_optimization instead of
1135 decl_constant_value.
1137 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1139 * tree.h (DECL_ALIGN_UNIT): New macro.
1141 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1143 * config/avr/avr-protos.h (avr_output_bld): New.
1144 (out_shift_with_cnt): Add t_len argument.
1145 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1146 (output_movqi, output_movhi, output_movsisf): Optimize loading
1147 any constant with exactly one bit set to NO_LD_REGS.
1148 (out_shift_with_cnt): Optimize output code for size or speed,
1149 depending on optimize_size. Handle small shift counts as well
1150 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1151 with or without a scratch register, with help of __tmp_reg__
1152 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1153 length of TEMPLATE in words, return total insn length in *LEN.
1154 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1155 out_shift_with_cnt to work with the above change.
1156 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1157 lshrsi3_out): Likewise. Optimize more known shift count cases.
1158 Remove cases already well optimized in out_shift_with_cnt.
1159 (avr_output_bld): New function.
1160 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1161 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1162 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1163 Add reload_completed to insn condition - only for peepholes.
1164 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1165 in a register or memory.
1166 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1167 Do not require a scratch register.
1168 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1169 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1170 Optimize shifts by known count using a scratch register, but only
1171 if one is still available after register allocation.
1173 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1175 * t-vax: New file. Don't build modules from libgcc1.c.
1177 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1179 * alias.c: (mark_constant_function): Don't check pure functions.
1180 Initialize and end alias analysis.
1181 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1182 Don't make a special exception for recursion. Handle
1183 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1184 unless it's volatile.
1186 * local-alloc.c (equivalence): New structure.
1187 (reg_equiv): Define.
1188 (contains_replace_regs): Remove array and use
1190 (memref_referenced_p): Likewise.
1191 (no_equiv): Likewise.
1192 (update_equiv_regs): Likewise.
1194 (equiv_init_varies_p,
1195 equiv_init_movable_p): New functions.
1196 (update_equiv_regs): Use them. Use rtx_varies_p
1197 instead of function_invariant_p. Process insns
1198 from end to beginning. Allow a REG_EQUIV insn
1199 within the same loop as a use to be moved, also
1200 allow it to be moved out of a loop. Update
1201 REG_DEAD notes when substituting into an insn.
1203 2000-10-19 Jim Wilson <wilson@cygnus.com>
1205 * c-decl.c (start_decl): Check for error_mark_node type before using
1207 (finish_decl): Likewise. Don't give an error if decl type is
1208 already error_mark_node.
1210 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1211 New local update_blocks. Use update_blocks to remove duplicates
1212 when computing update blocks. Check for bblst_table overflow.
1213 (schedule_block): Add explanatory comment. Reduce bblst_size by
1215 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1218 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1220 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1222 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1224 * expmed.c: Minor corrections in comments.
1225 * invoke.texi: Added desciption for the new option -ftrapv.
1227 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1229 * libgcc2.c: Added the missing #endif.
1231 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1233 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1235 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1237 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1238 Use smulv_optab for -ftrapv.
1239 (expand_mult_highpart): Use unsigned multiply.
1240 (expand_divmod): Special-case division by -1.
1241 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1242 For complex divide, use abs with unsigned result.
1243 * expr.c (force_operand): Use unsigned multiply.
1244 (expand_expr): Use overflow-trapping optabs for signed types if
1246 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1247 if the type is signed and the original call wasn't EXPAND_SUM or
1249 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1250 (negv_optab, absv_optab): Declare.
1251 * flags.h (flag_trapv): Declare.
1252 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1253 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1254 (gen_insn): Interpret '$P' as requiring an integer mode,
1255 including partial integer modes.
1256 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1257 (product_cheap_p): Use unsigned expand_mult.
1258 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1259 (negv_optab, absv_optab): Define.
1260 (expand_binop): Use overflow-trapping optabs for signed types if
1262 Handle negv_optab libe neg_optab.
1263 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1264 Use overflow-trapping optabs for signed result if flag_trapv.
1265 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1267 Don't open-code complex absolute-value operation for flag_trapv.
1268 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1269 sdivv_optab, negv_optab and absv_optab.
1270 * toplev.c (flag_trapv): Define.
1271 (lang_independent_options f_options): Include flag_trapv.
1272 * tree.h (TYPE_TRAP_SIGNED): Define.
1273 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1274 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1276 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1277 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1279 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1280 David V. Henkel-Wallace <gumby@cygnus.com>
1282 * config/i386/t-netware: Bring in from the Red Hat tree.
1283 * config/i386/netware.h: Likewise.
1284 * config/netware.h: Likewise.
1285 * config/rs6000/netware.h: Delete.
1286 * configure.in: Add i[34567]86-*-netware.
1287 * configure: Hand-edit to match configure.in change.
1289 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1291 * c-common.h (flag_no_builtin): Declare.
1292 (flag_no_nonansi_builtin): Likewise.
1293 (c_common_nodes_and_builtins): Change prototype.
1294 * c-common.c (flag_no_builtin): New variable.
1295 (flag_no_nonansi_builtin): Likewise.
1296 (c_common_nodes_and_builtins): Remove parameters. Adjust
1298 * c-decl.c (flag_no_builtin): Remove.
1299 (flag_no_nonansi_builtin): Likewise.
1300 (init_decl_processing): Adjust call to
1301 c_common_nodes_and_builtins.
1303 2000-10-18 Marc Espie <espie@openbsd.org>
1305 * tm.texi (LIBGCC_SPEC): Synch with reality.
1307 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1309 * c-common.c (check_format_types): Check for writing through a
1310 NULL pointer argument.
1312 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1314 * tm.texi (Exception Region Output): Document
1315 DWARF_CIE_DATA_ALIGNMENT.
1316 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1318 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1319 DWARF_CIE_DATA_ALIGNMENT.
1321 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1323 * basic-block.h (struct loop): Delete fields pre_header_root
1324 and pre_header_trace and replace with pre_header_edges
1325 and num_pre_header_edges.
1326 * flow.c (flow_loop_dump): Dump pre_header_edges.
1327 (flow_loops_free): Free pre_header_edges.
1328 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1330 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1332 * contrib.texi: Update references to steering committee members
1333 and Jeff Law's entry.
1335 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1337 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1338 (maybe_read_dollar_number, check_format_info_main): Use them for
1339 pedantic warning messages.
1341 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * c-common.c (check_format_info_main): Minor cleanup: move
1344 variables into inner scopes; initialize declarations where
1345 appropriate; don't hardcode "scanf" name on warning for zero
1348 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1350 * c-common.c (back_end_hook): New variable.
1351 * c-common.h (back_end_hook): Declare it.
1352 * c-lang.c (finish_file): Use it.
1354 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1357 2000-10-18 Jan Hubicka <jh@suse.cz>
1359 * i386.c (ix86_comparison_operator, put_condition_code,
1360 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1361 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1362 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1363 * i386.md (adddi and negdi splitter): Use CCRCmode.
1364 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1365 (subsi3_carry): add '*'
1366 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1367 (cmp to add peep2): Use CCRCmode; swap operands.
1369 2000-10-18 Kazu Hirata <kazu@hxi.com>
1371 * h8300.c: Fix a comment typo.
1372 (round_frame_size): New.
1373 (compute_saved_regs): Likewise.
1376 (push_order): Remove.
1377 (pop_order): Likewise.
1378 (function_prologue): Rearrange code for readability.
1379 (function_epilogue): Likewise.
1381 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1382 expander that is used when not optimizing. Output a tab after
1383 each assembly insns.
1385 * reorg.c: Fix formatting.
1387 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1389 * reload1.c (move2add_note_store): Check for simple
1390 auto-inc in destination.
1392 2000-10-17 Michael Chastain <chastain@redhat.com>
1394 * config/i386/i386-aout.h: define INT_ASM_OP.
1396 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1398 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1400 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1402 * i370.md: Fix spelling typo.
1404 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1406 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1407 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1409 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1410 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1413 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1414 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1416 * rs6000/aix.h: ...to here.
1417 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1419 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1421 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1423 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1424 sure linker can relax even the delay slot mov %g1,%o7, fix output
1427 2000-10-17 Kazu Hirata <kazu@hxi.com>
1429 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1430 expander that is used when not optimizing. Output a tab after
1431 each assembly insns.
1433 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1435 * gcc.c: New options --target-help.
1436 (process_command): Added code to parse this new option.
1437 * toplev.c (display_target_options): New function to support the
1439 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1440 (cpp_handle_option): Support this new option.
1441 * invoke.texi: Added notes about --target-help option.
1443 2000-10-17 Graham Stott <grahams@redhat.com>
1445 * config/i386/i386.md (testqi_1): Add missing operand prefix
1447 * config/i386/i386-protos.h: Add missing prototype.
1449 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1451 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1452 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1453 using -mintel-syntax.
1455 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1457 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1458 (format_types): Use it for printf.
1459 (maybe_read_dollar_number): Add parameter for the kind of format
1460 involved. Warn for multiple use for arguments if this is
1461 inappropriate for the kind of format involved.
1462 (check_format_info_main): Update calls to maybe_read_dollar_number.
1464 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1466 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1467 * fixincl.x: Rebuilt.
1469 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1471 * genrecog.c (write_switch): Return the first condition that needs a
1474 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1476 * c-tree.h (warn_sequence_point): Move declaration to...
1477 * c-common.h (warn_sequence_point): ... here.
1478 * c-decl.c (warn_sequence_point): Move definition to...
1479 * c-common.c (warn_sequence_point): ... here.
1480 (struct reverse_tree): New.
1481 (reverse_list, reverse_max_depth): New static variables.
1482 (build_reverse_tree, common_ancestor, modify_ok
1483 verify_sequence_points): New functions.
1484 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1485 * c-typeck.c (check_modify_expr): Delete.
1486 (build_modify_expr): Don't call it.
1488 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1490 * c-common.h (warn_missing_format_attribute): New variable.
1491 * c-decl.c (warn_missing_format_attribute): New variable.
1492 (c_decode_option): Decode -Wmissing-format-attribute and
1493 -Wno-missing-format-attribute.
1494 * c-common.c (check_function_format): If
1495 -Wmissing-format-attribute, give a warning where a vprintf or
1496 vscanf function is called by a function without its own printf or
1498 * toplev.c (documented_lang_options): Add
1499 -Wmissing-format-attribute.
1500 * invoke.texi: Document -Wmissing-format-attribute.
1502 2000-10-17 Marc Espie <espie@openbsd.org>
1504 * invoke.texi (-shared): Insist on requiring code generation flags
1505 to be used along with -shared, and document the subtle failure that
1506 may occur otherwise.
1508 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1510 * pa.md (return_internal): Move `use' after `return'.
1512 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1514 * machmode.def: Correct comment.
1516 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1518 * print-rtl.c (print_rtx_head): Constify.
1519 * rtl.h (print_rtx_head): Similarly.
1521 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1522 Constify char * return value.
1524 (output_64bit_and, output_64bit_ior): Constify char * return value.
1525 (pa_can_combine_p): Make static.
1526 (function_arg): Decorate unused `named' argument. Fix comment typo.
1527 (function_arg_partial_nregs): Decorate unused `named' argument.
1529 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1531 * c-common.c (format_check_results): New structure.
1532 (finish_dollar_format_checking): Adjust to take a
1533 format_check_results * parameter.
1534 (check_format_info, check_format_info_recurse,
1535 check_format_info_main): Split check_format_info into three
1536 functions, the main checking going in check_format_info_main.
1537 Recurse when any reduction of the format string argument towards a
1538 string literal is done; go down both branches of a conditional
1539 expression. Don't warn for extra format arguments or empty format
1540 strings if they only occur in some branches of a conditional
1543 2000-10-16 Kazu Hirata <kazu@hxi.com>
1545 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1547 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1549 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1551 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1553 * i386.md (*movsi_or): Switch operand order for intel syntax.
1555 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1559 * gcc.texi (Contributing): Update.
1561 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1563 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1564 appropriate assembler dialect.
1566 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1568 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1570 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1572 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1573 constants 1 and 2 to NO_LD_REGS.
1575 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1577 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1579 * objc/Make-lang.in (objc-parse.c): Likewise.
1581 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1583 * arm.c: Include obstack.h
1584 (minipool_obstack, minipool_startobj): Define.
1585 (arm_add_gc_roots): Initialize them.
1586 (create_fix_barrier): Use our new obstack.
1587 (push_minipool_barrier, push_minipool_fix): Likewise.
1588 (arm_reorg): Release obstack memory.
1590 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1592 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1593 (prologue, exception_receiver, builtin_setjmp_receiver): New
1595 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1596 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1597 (load_pic_register): New prototype.
1598 * config/sparc/sparc.c (pic_setup_code): Remove.
1599 (finalize_pic): Rename to...
1600 (load_pic_register): ...this function.
1601 Don't look for nonlocal_goto_receivers and emit pic setup code
1602 directly. Don't check current_function_uses_pic_offset_table.
1604 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1606 * tree.h (struct obstack): Declare.
1608 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1611 * Makefile.in (ggc-callbacks.o): Remove target.
1612 (flow.o): Depend on GGC_H.
1613 * alias.c (init_alias_analysis):
1614 Remove ggc_p conditionals.
1615 (end_alias_analysis): Likewise.
1616 * basic-block.h (init_flow): New function.
1617 (allocate_reg_life_data): Declare.
1618 * bb-reorder.c (function_obstack): Replace with ...
1619 (flow_obstack): ... new variable.
1620 (fixup_reorder_chain): Use it.
1621 * c-decl.c (ggc_p): Remove.
1622 (caller-save.c): Don't call oballoc/obfree.
1624 undobuf): Remove storage.
1625 (try_combine): Don't call oballoc.
1626 (undo_all): Don't call obfree.
1627 * cse.c (insert): Use xmalloc, not
1629 (cse_main): Adjust accordingly.
1630 * dwarf2out.c (save_rtx): Remove
1632 (dwarf2out_init): Remove ggc_p conditionals.
1633 * emit-rtl.c (rtl_obstack): Remove.
1634 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1635 (make_insn_raw): Likewise.
1636 (emit_insn_before): Likewise.
1637 (emit_insn_after): Likewise.
1638 (emit_insn): Likewise.
1639 (gen_sequence): Likewise.
1640 (copy_insn_1): Remove handling of `b' RTL components.
1641 (init_emit_once): Remove ggc_p conditionals.
1642 * except.c (create_rethrow_ref): Don't fool with obstacks.
1643 (add_partial_entry): Likewise.
1644 (call_get_eh_context): Likewise.
1645 (begin_protect_partials): Likewise.
1646 (protect_with_terminate): Likewise.
1648 (plus_constant_wide): Likewise.
1649 * expr.c (init_expr_once):
1651 (emit_block_move): Likewise.
1652 (clear_storage): Likewise.
1653 (expand_expr): Likewise.
1654 * flow.c (function_obstack): Remove.
1655 (flow_obstack): New variable.
1656 (flow_firstobj): Likewise.
1657 (create_base_block): Use the flow_obstack.
1658 (split_block): Likewise.
1659 (split_edge): Likewise.
1660 (calculate_global_regs_live): Likewise.
1661 (allocate_bb_life_data): Make it static. Likewiwse.
1662 (init_flow): New function.
1663 (size_int_type_wide): Remove ggc_p conditionals.
1665 (push_function_context_to): Don't call save_tree_status.
1666 (pop_function_context_from): Or restore_tree_status.
1667 (assign_stack_local_1): Don't call push_obstacks.
1668 (find_fixup_replacement): Use xmalloc.
1669 (fixup_var_refs_insns): Free the storage.
1670 (insns_for_mem_walk): Don't mess with obstacks.
1671 (instantiate_decls): Likewise.
1672 (trampoline_address): Likewise.
1673 (expand_function_end): Likewise.
1674 * function.h (sturct function):
1675 Remove obstack-related variables.
1676 (save_tree_status): Don't declare.
1677 (restore_tree_status): Likewise.
1678 * gcse.c (compute_can_copy):
1679 Don't call oballoc/obfree.
1680 * genattrtab.c (operate_exp): Remove
1682 (simplify_cond): Likewise.
1683 (simplify_test_exp): Don't mess with obstacks.
1684 (optimize_attrs): Likewise.
1685 * gengenrtl.c (gendef): Don't include
1687 * ggc-callbacks.c (ggc_p): Remove.
1688 * ggc-none.c (ggc_p): Remove.
1689 * ggc.h (ggc_p): Don't declare.
1690 * integrate.c (save_for_inline): Don't mess with obstacks.
1691 (integrate_decl_tree): Likewise.
1692 (output_inline_function): Likewise.
1694 (init_EXPR_INSN_LIST_cache): Likewise.
1695 * loop.c (temp_obstack):
1697 (rtl_obstack): Likewise.
1698 (init_loop): Don't mess with obstacks.
1699 (reg_address_cost): Free BIVs and GIVs.
1700 (check_insns_for_bivs): Use xmalloc, not oballoc.
1701 (find_mem_givs): Likewise.
1702 (record_biv): Likewise.
1703 (general_induction_var): Likewise.
1704 (product_cheap_p): Likewse.
1705 * optabs.c (init_one_libfunc): Remove
1707 * print-tree.c (debug_tree): Don't use
1709 (print_node): Likewise.
1710 * profile.c (output_func_start_profiler):
1711 Remove call to temporary_allocation.
1713 (eliminate_regs_in_insn): Don't mess with obstacks.
1715 (mark_target_live_regs): Use xmalloc.
1716 (free_resource_info): Free the memory.
1717 * rtl.c (rtl_obstack):
1719 (rtvec_alloc): Don't mess with obstacks.
1720 (rtx_alloc): Likewise.
1722 (copy_rtx): Don't handle `b' cases.
1723 (read_rtx): Use a local rtl_obstack.
1724 * rtl.h (oballoc): Remove.
1726 (pop_obstacks): Likewise.
1727 (push_obstacks): Likewise.
1728 (allocate_bb_life_data): Likewise.
1729 (allocate_reg_life_data): Likewise.
1730 (rtx_free): Likewise.
1731 * sdbout.c (sdbout_queue_anonymous_type):
1732 Use tree_cons, not saveable_tree_cons.
1734 (cselib_init): Don't mess with obstacks.
1736 (mark_block_nesting): Mark the label_chain.
1737 (epxand_label): Use ggc_alloc, not oballoc.
1738 (clear_last_expr): Don't mess with obstacks.
1739 (expand_decl_cleanup): Likewise.
1740 (expand_dcc_cleanup): Likewise.
1741 (expand_dhc_cleanup): Likewise.
1742 (expand_anon_union_decl): Likewise.
1743 (add_case_node): Use xmalloc, not oballoc.
1744 (free_case_nodes): New function.
1745 (expand_end_case): Call it.
1746 * stor-layout.c (layout_type): Don't
1748 (layout_type): Likewise.
1749 * toplev.c (wrapup_global_declarations):
1751 (compile_file): Remove ggc_p conditionals.
1752 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1753 (decode_f_option): Remove ggc_p conditionals.
1755 (function_maybepermanent_obstack): Remove.
1756 (maybepermanent_obstack): Likewise.
1757 (function_obstack): Likewise.
1758 (tmeporary_obstack): Likewise.
1759 (momentary_obstack): Likewise.
1760 (temp_decl_obstack): Likewise.
1761 (saveable_obstack): Likewise.
1762 (rtl_obstack): Likewise.
1763 (current_obstack): Likewise.
1764 (expression_obstack): Likewise.
1765 (struct obstack_stack): Likewise.
1766 (obstack_stack): Likewise.
1767 (obstack_stack_obstack): Likewise.
1768 (maybepermanent_firstobj): Likewise.
1769 (temporary_firstobj): Likewise.
1770 (momentary_firstobj): Likewise.
1771 (temp_decl_firstobj): Likewise.
1772 (momentary_function_firstobj): Likewise.
1773 (all_types_permanent): Likewise.
1774 (struct momentary_level): Likewise.
1775 (momentary_stack): Likewise.
1776 (init_obstacks): Remove initialization of removed obstacks.
1777 (save_tree_status): Remove.
1778 (restore_tree_status): Likewise.
1779 (temporary_allocation): Liekwise.
1780 (end_temporary_allocation): Liekwise.
1781 (resume_temporary_allocation): Likewise.
1782 (saveable_allocation): Likewise.
1783 (push_obstacks): Likewise.
1784 (push_obstacks_nochange): Likewise.
1785 (pop_obstacks): Likewise.
1786 (allocation_temporary_p): Likewise.
1787 (permanent_allocation): Likewise.
1788 (preserve_data): Likewise.
1789 (preserve_initializer): Likewise.
1790 (rtl_in_current_obstack): Likewise.
1791 (rtl_in_saveable_obstack): Likewise.
1792 (oballoc): Likewise.
1794 (savealloc): Likewise.
1795 (expralloc): Likewise.
1796 (print_obstack_name): Likewise.
1797 (debug_obstack): Likewise.
1798 (object_permanent_p): Likewise.
1799 (push_momentary): Likewise.
1800 (perserve_momentary): Likewise.
1801 (clear_momentary): Likewise.
1802 (pop_momentary): Likewise.
1803 (pop_momentary_nofree): Likewise.
1804 (suspend_momentary): Likewise.
1805 (resume_momentary): Likewise.
1806 (make_node): Don't set TREE_PERMANENT.
1807 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1808 Don't set TREE_PERMANENT.
1809 (get_identifier): Remove ggc_p conditionals.
1810 (build_string): Likewise.
1811 (make_tree_vec): Likewise.
1812 (build_decl_list): Remove.
1813 (build_expr_list): Likewise.
1814 (tree_cons): Remove ggc_p conditionals.
1815 (decl_tree_cons): Remove.
1816 (expr_tree_cons): Likewise.
1817 (perm_tree_cons): Likewise.
1818 (temp_tree_cons): Likewise.
1819 (saveable_tree_cons): Likewise.
1820 (build1): Remove ggc_p conditionals.
1821 (build_parse_node): Likewise.
1822 (build_type_attribute_variant): Don't mess with obstacks.
1823 (build_type_copy): Likewise.
1824 (type_hash_canon): Likewise.
1825 (build_pointer_type): Likewise.
1826 (build_reference_type): Likewise.
1827 (build_index_type): Likewise.
1828 (build_range_type): Likewise.
1829 (dump_tree_statistics): Don't print obstack information.
1831 (struct tree_common): Remove permanent_flag.
1832 (TREE_PERMANENT): Remove.
1833 (TREE_SET_PERMANENT): Likewise.
1834 (TYPE_OBSTACK): Likewise.
1835 (struct tree_type): Remove obstack.
1837 (savealloc): Likewise.
1838 (build_decl_list): Likewise.
1839 (build_expr_list): Likewise.
1840 (perm_tree_cons): Likewise.
1841 (temp_tree_cons): Likewise.
1842 (saveable_tree_cons): Likewise.
1843 (decl_tree_cons): Likewise.
1844 (expr_tree_cons): Likewise.
1845 (suspend_momentary): Likewise.
1846 (allocation_temporary_p): Likewise.
1847 (resume_momentary): Likewise.
1848 (push_obstacks_nochange): Likewise.
1849 (permanent_allocation): Likewise.
1850 (push_momentary): Likewise.
1851 (clear_momentary): Likewise.
1852 (pop_momentary): Likewise.
1853 (end_temporary_allocation): Likewise.
1854 (pop_obstacks): Likewise.
1855 (push_obstacks): Likewise.
1856 (pop_momentary_nofree): LIkewise.
1857 (preserve_momentary): Likewise.
1858 (saveable_allocation): Likewise.
1859 (temporary_allocation): Likewise.
1860 (resume_temporary_allocation): Likewise.
1861 (perserve_initializer): Likewise.
1862 (debug_obstack): Likewise.
1863 (rtl_in_current_obstack): Likewise.
1864 (rtl_in_saveable_obstack): Likewise.
1866 * varasm.c (current_obstack): Remove.
1867 (saveable_obstack): Remove.
1868 (rtl_obstack): Remove.
1869 (immed_double_const): Don't mess with obstacks.
1870 (immed_real_cons): Likewise.
1871 (output_constant_def): Likewise.
1872 (init_varasm_status): Use xcalloc.
1873 (mark_pool_constant): Mark the pool constant itself.
1874 (free_varasm_status): Free memory.
1875 (decode_rtx_const): Call bzero directly, rather than expanding it
1877 (record_rtx_const): Don't mess with obstacks.
1878 (force_const_mem): Likewise.
1879 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1881 (aof_pic_entry): Likewise.
1882 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1883 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1884 * config/pa/pa.c (saveable_obstack): Remove.
1885 (rtl_obstack): Likewise.
1886 (current_obstack): Likewise.
1887 (output_call): Don't mess with obstacks.
1888 (hppa_encode_label): Remove ggc_p conditionals.
1889 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1890 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1891 (rs6000_encode_section_info): Likewise.
1892 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1894 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1896 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1897 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1898 (addsi3_carry): Canonicalize.
1899 (addqi_5): Remove '*'.
1900 (sbb pattern): Canonicalize.
1902 * i386.md (cmp to inc/add peep2): New.
1904 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1906 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1909 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1911 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1912 * README.TRAD, TESTS.FLUNK: Remove.
1914 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1916 * c-common.c (decl_attributes): Don't allow strftime formats with
1917 first_arg_num nonzero.
1918 (check_format_info): Set wanted_type and wanted_type_name to zero
1919 before they are possibly assigned and used.
1921 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1923 * c-common.c (scanf_flag_specs): Add flags ' and I.
1924 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1925 or the ^ and # flags together.
1926 (scan_char_table): Handle the ' and I flags.
1927 (format_types): Add ' and I flags for scanf.
1929 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1931 * c-common.c (print_char_table): Use the unpromoted type for
1932 lengths "h" and "hh" with conversions dioxXu.
1933 (check_format_types): Apply the default argument promotions where
1934 the wanted type is not a pointer target.
1936 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1937 Joseph S. Myers <jsm28@cam.ac.uk>
1939 * c-typeck.c (check_modify_expr): New function.
1940 (build_modify_expr): Call it if warn_sequence_point.
1941 * c-decl.c (warn_sequence_point): New variable.
1942 (c_decode_option): Handle -Wsequence-point and
1943 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1944 * c-tree.h (warn_sequence_point): Declare.
1945 * invoke.texi (-Wsequence-point): Document.
1946 * toplev.c (documented_lang_options): Add -Wsequence-point and
1947 -Wno-sequence-point.
1948 Original work by Michael Meeks, 16 Jun 1998.
1950 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1952 * tree.c (get_narrower): Don't look at precision of field if
1955 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1957 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1958 declaration for data with "progmem" attribute.
1960 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1962 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1963 Correct insn length if shift count is a memory operand.
1964 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1965 (*iorhi3_clobber): Change lo8 to hi8.
1966 (zero_extendhisi2): Change %B0 to %A1.
1967 (ashlhi3, ashrhi3): Correct insn length.
1968 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1969 from "clobber" to "set_n" in some alternatives.
1971 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1973 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1974 remove its insn_chain structure as well.
1976 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1978 * dbxout.c (dbxout_source_line): Remove extra tab.
1980 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1982 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1984 2000-10-09 Richard Henderson <rth@cygnus.com>
1986 * Makefile.in (LANG_LIB2FUNCS): Remove.
1987 (LIB2FUNCS): Remove _pure.
1988 (LIB2ADD): Remove LANG_LIB2FUNCS.
1989 (stage_a): Don't set LANG_LIB2FUNCS.
1990 * libgcc2.c (__terminate): Mark noreturn.
1991 (__pure_virtual): Remove.
1992 * mklibgcc.in: Remove LIB2ADD .txt processing.
1994 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1996 * arm.md (push_multi): Revert unintended change.
1998 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2000 * arm.c: Miscellaneous white space and comment clean-ups. No
2004 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2007 STRING_CST by calling combine_strings.
2009 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2011 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2012 (thumb_output_move_mem_multiple): Support new insn format.
2013 * arm.md (movmem12b): Use SSA compatible format.
2014 (movmem8b): Likewise.
2016 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2018 * arm.md (predicable): New attribute, default to "no".
2019 (all patterns): Mark as predicable if appropriate.
2020 (conditional execution splits): Split using predication format.
2021 (define_cond_exec): Define.
2022 * arm.c (arm_print_operand): handle insn predicate.
2024 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2026 * README.NS32K: Remove file.
2028 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2030 * README-bugs: Remove file.
2032 2000-10-08 Philipp Thomas <pthomas@suse.de>
2033 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2035 * configure: Rebuilt.
2037 2000-10-08 Philipp Thomas <pthomas@suse.de>
2038 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2039 disable catalog building if no suitable program was found.
2040 Move warning message from here
2041 (AM_GNU_GETTEXT): To here.
2042 * configure: Rebuilt.
2044 2000-10-08 Philipp Thomas <pthomas@suse.de>
2045 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2046 different cache variables.
2047 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2048 uses different cache variables.
2049 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2050 * configure: Regenerated.
2052 2000-10-08 Richard Henderson <rth@cygnus.com>
2054 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2055 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2056 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2059 * config/t-linux (SHLIB_EXT): New.
2060 (SHLIB_LINK): Use the entire build command, with substitutions.
2061 (SHLIB_LIBS): Remove.
2062 * config/alpha/t-osf4: Likewise.
2063 * config/mips/t-iris6: Likewise.
2064 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2065 * config/sparc/t-slibgcc-sld: ...here.
2066 * config/sparc/t-slibgcc: New file.
2068 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2070 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2071 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2073 (intmax_type_node, uintmax_type_node): Define.
2074 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2075 attributes create a type wider than intmax_t.
2076 (T_IM, T_UIM): Define properly.
2077 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2079 (init_decl_processing): Initialize intmax_type_node and
2081 * c-lex.c (lex_number): When pedantic and warning for integer
2082 constants that are too large, in C99 mode warn for those that have
2083 a type wider than long long.
2085 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2087 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2088 FMT_FLAG_FANCY_PERCENT_OK): Define.
2089 (format_char_info): Add flag "4" to comment.
2090 (format_flag_spec, format_flag_pair): New structures.
2091 (format_kind_info): Add additional fields to control format
2093 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2094 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2096 (time_char_table): Use "4" flag to handle %Ey.
2097 (format_types): Add entries for new fields.
2098 (get_flag_spec): New function.
2099 (check_format_info): Increase size of flag_chars[] to 256.
2100 Control format checking using the new fields of a format_kind_info
2101 and the new tables; remove all conditionals on printf_format_type,
2102 scanf_format_type or strftime_format_type. Handle all details of
2103 bad combinations of flags (including width, precision and strftime
2104 modifiers) through data rather than ad hoc code. Handle all
2105 details of standard versions in which flags appeared through
2106 data. Use the "4" flag.
2108 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2110 * config/h8300/h8300.md: Remove the memory alternative and correct
2111 the insn lengths in the templates for sign extention and zero
2114 2000-10-07 Richard Henderson <rth@cygnus.com>
2116 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2117 * flow.c (make_edges): Revert last change.
2119 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2121 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2123 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2125 * config/alpha/elf.h: Standardize the formatting.
2127 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2129 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2132 2000-10-06 Richard Henderson <rth@cygnus.com>
2134 * function.c (diddle_return_value): Examine
2135 current_function_return_rtx instead of the DECL_RESULT.
2136 (expand_function_end): Handle reloading DECL_RESULT from memory
2137 into a hard register. Query promote_mode for sign of mismatched
2140 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2142 * haifa-sched.c (schedule_insns): Fix typo in freeing
2143 forward_dependency_cache.
2145 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2147 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2148 `TARGET_SH2' as a condition.
2150 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2152 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2153 forward_dependency_cache): New variables.
2154 (add_dependence, remove_dependence): Use anti_dependency_cache and
2155 output_dependency_cache.
2156 (compute_block_forward_dependences): Use forward_dependency_cache.
2157 (schedule_insns): Allocate and free memory for anti/output/forward
2158 dependencies caches.
2160 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2162 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2163 `! TARGET_SH1'. Reindent.
2165 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2167 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2168 Move functions from here ...
2170 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2172 (c_expand_builtin): New function.
2173 (init_function_format_info): Don't set `check_function_format_ptr'.
2174 (c_common_nodes_and_builtins): Set built_in_class type for
2175 printf/__builtin_printf to BUILT_IN_FRONTEND.
2176 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2178 * c-common.h (build_function_call): Declare.
2180 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2181 to `lang_expand_expr' rather than `expand_builtin'.
2183 * tree.c (check_function_format_ptr): Delete.
2185 * tree.h (check_function_format_ptr): Likewise.
2187 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2189 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2190 DW_OP_bregx when cfa->reg > 31.
2192 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2195 2000-10-05 Richard Henderson <rth@cygnus.com>
2197 * c-decl.c (warn_missing_noreturn): Remove.
2198 (c_expand_body): Don't set or check can_reach_end.
2199 * c-tree.h (warn_missing_noreturn): Move ...
2200 * flags.h: ... here.
2201 (can_reach_end): Remove.
2202 * flow.c (check_function_return_warnings): New.
2203 (make_edges): No edge to exit for noreturn sibcalls.
2204 * function.c (expand_function_end): Save the return value
2205 clobber instruction.
2206 (mark_function_status): Mark it.
2207 * function.h (struct function): Add x_clobber_return_insn.
2208 * jump.c (can_reach_end): Remove.
2209 (calculate_can_reach_end): Remove.
2210 (jump_optimize_1): Don't call it.
2211 * output.h (check_function_return_warnings): Declare.
2212 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2213 (rest_of_compilation): Call check_function_return_warnings.
2215 2000-10-05 Richard Henderson <rth@cygnus.com>
2217 * Makefile.in (NM_FOR_TARGET): New.
2218 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2219 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2220 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2221 shared library build on that and EXTRA_MULTILIB_PARTS.
2222 * mkmap-flat.awk: New file.
2223 * mkmap-symver.awk: New file.
2224 * libgcc-std.ver: New file.
2225 * config/libgcc-glibc.ver: New file.
2226 * config/ia64/libgcc-ia64.ver: New file.
2227 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2228 (SHLIB_LINK): Add --version-script.
2229 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2230 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2231 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2232 (SHLIB_LINK): Add -M.
2234 2000-10-05 Richard Henderson <rth@cygnus.com>
2236 * Makefile.in (LIB2FUNCS): Add _clz.
2237 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2238 (__clz_tab): Put in its own unit, non-static.
2239 * libgcc2.h: Always include longlong.h.
2241 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2242 a zero instead of -1.
2243 (count_trailing_zeros): Likewise.
2245 2000-10-05 Richard Henderson <rth@cygnus.com>
2247 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2248 when second op1 is const0_rtx. Validate op0 as a register.
2249 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2250 in the first argument of the compare.
2251 (setcc_swapped_internal): Likewise.
2252 (setne_internal): Likewise.
2254 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2256 * tree.c (tree_size): New function split out of copy_node.
2257 (make_node): Remove obstack handling. Use tree_size.
2258 (copy_node): Use tree_size.
2259 * tree.h: Prototype tree_size.
2261 2000-10-05 Richard Henderson <rth@cygnus.com>
2263 * diagnostic.c (output_format): Add missing break.
2265 2000-10-05 Jim Wilson <wilson@cygnus.com>
2267 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2268 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2269 sequence insn to INSN, and delete last sequence insn.
2271 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2273 * gcc.c (main): Include generated configargs.h header
2274 and use arguments in '-v' output.
2276 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2278 * gcc.c: Move data on prefixes forward in file and reorganize.
2279 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2280 Always define, but make null if no value.
2281 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2282 and "md_startfile_prefix_1".
2283 (main): Check whether md_exec_prefix and the others are the
2284 null string rather than whether the macro is defined.
2286 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2288 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2289 from PSImode to SImode.
2291 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2293 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2294 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2295 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2298 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2300 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2301 negation in proper type.a
2303 2000-10-04 Richard Henderson <rth@cygnus.com>
2305 * configure.in (enable-shared): New.
2306 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2307 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2308 * mklibgcc.in: Use them to link shared a libgcc.
2309 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2310 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2311 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2312 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2314 * configure.in (alpha-osf*): Use t-osf and x-osf.
2315 * config/alpha/t-osf: New file.
2316 * config/alpha/t-osf4: New file.
2317 * config/alpha/x-osf: New file.
2318 * config/alpha/x-alpha: Remove file.
2320 2000-10-04 Will Cohen <wcohen@redhat.com>
2322 * c-typeck.c (process_init_element): Added warning for zero-length
2325 * extend.texi (Zero Length): State that static initializers for
2326 zero-length arrays are not allowed.
2328 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2330 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2333 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2335 * config/float-c4x.h: New.
2336 * configure.in (c4x-*): Set float_format to c4x.
2337 * configure: Regenerate.
2339 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2341 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2342 compilation for solaris versions 2.7 and greater.
2344 2000-10-02 Marc Espie <espie@openbsd.org>
2346 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2347 instead of redefining from scratch.
2349 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2351 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2353 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2355 * config/ns32k/genix.h: Remove.
2356 * config/ns32k/x-genix: Likewise.
2357 * config/ns32k/xm-genix.h: Likewise.
2358 * config/fx80: Remove all filee in directory.
2359 * config/pyr: Likewise.
2360 * config/tahoe: Likewise.
2361 * config/gmicro: Likewise.
2362 * config/spur: Likewise.
2363 * configure.in: Remove configury bits for above targets.
2364 * configure: Regenerated.
2366 * configure.in: Don't configure chill by default.
2367 * configure: Regenerated.
2369 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2370 (lang_mark_false_label_stack): Remove.
2371 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2372 <top level> string in GC area.
2373 (mark_splay_tree_node): New function.
2374 (mark_splay_tree): Likewise.
2375 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2377 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2378 * ggc-common.c (lang_mark_false_label_stack): Change type.
2379 * ggc.h (ggc_alloc_string): Add comment.
2380 (ggc_strdup): New function.
2382 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2384 * config/avr/avr.h (BRANCH_COST): Define as 0.
2386 * config/pdp11/pdp11.c: #include "tree.h" added.
2388 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2390 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2391 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2392 with known shift count.
2393 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2394 New alternative for shift count 2 with no scratch register.
2395 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2396 "set_n" for shift counts 1 and 2.
2398 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2400 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2401 the mask value from the individual SET operations.
2402 (return_internal_si): Move the USE after the RETURN.
2403 (return_internal_di): Likewise.
2404 (return_and_restore_fpregs_si): Likewise.
2405 (return_and_restore_fpregs_di): Likewise.
2406 (return_eh_si): Likewise.
2407 (return_eh_di): Likewise.
2408 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2410 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2411 Don't generate a PARALLEL around a single operation movsi_to_cr.
2412 Generate the RETURN first in any PARALLELs.
2414 * rtlanal.c (single_set_1): Use fatal_insn to display the
2415 invalid insn. Check for more cases when a USE or CLOBBER occurs
2417 * Makefile.in: Update dependencies for rtlanal.o.
2419 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2421 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2423 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2425 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2426 Consistently use @email for formatting email addresses.
2428 2000-09-29 Richard Henderson <rth@cygnus.com>
2430 * cse.c (notreg_cost): New argument outer.
2431 (COST): Pass in SET to notreg_cost
2433 (fold_rtx): Use COST_IN. Prefer constants when costs
2436 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2438 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2439 * fixinc/fixincl.x: Regenerate.
2441 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2443 * loop.c (check_final_value): A GIV is not replaceable if used
2446 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2448 * version.c: Bump to gcc-2.97.
2450 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2452 * final.c (final_scan_insn): Remove extra extract_insn call;
2453 Use caching for constrain_operands.
2454 (cleanup_subreg_operands): Use caching for extract_insn.
2455 * recog.c (constrain_operands_cached): New.
2456 * recog.h (constrain_operands_cached): Declare.
2457 * i386.c (ix86_attr_length_immediate_default,
2458 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2461 * recog.c (asm_noperands): Tweak.
2462 (extract_insn): Do not call asm_noperads for non-asm instructions.
2464 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2466 * recog.c (recog_memoized): Rename to recog_memoized_1.
2467 * recog.h (recog_memoized): Rename to recog_memoized_1.
2468 (recog_memoized): New macro.
2469 * rtl.h (single_set): Rename to single_set_1
2470 (single_set): New macro.
2471 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2474 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2475 Do not use match_dup of input operands at outputs.
2476 Use register_operand for memory expression.
2477 (rep_movsi): Put use last, canonicalize.
2478 Use register_operand for memory expression.
2479 (rep_movqi): Put use last.
2480 Use register_operand for memory expression.
2481 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2482 of input operands at outputs. Use register_operand for memory
2484 (rep_stossi): Put use last; canonicalize; fix match_dup in
2485 the address expression
2486 (rep_stosqi): Likewise.
2487 (memcmp expander): Update calls.
2488 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2491 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2493 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2495 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2497 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2498 Contains the old contents of config/i386/freebsd.h
2499 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2500 Contains the old contents of config/i386/freebsd-elf.h
2501 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2502 config/i386/freebsd.h.
2503 * configure.in: Adjust for above changes.
2504 * po/POTFILES.in: Likewise.
2505 * po/en_GB.po: Likewise.
2506 * po/gcc.pot: Likewise.
2507 * configure: Rebuilt.
2509 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2511 * doloop.c (doloop_modify): Prevent delete_insn() from
2512 deleting too much. Prefer loop->top over loop->start as
2513 target for the new JUMP insn.
2514 (doloop_valid_p): Ignore loop with exit_count != 0.
2516 2000-09-28 Philipp Thomas <pthomas@suse.de>
2518 * invoke.texi (i386 Options): Add athlon to table of possible
2521 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2523 * diagnostic.h (output_clear_message_text): New function.
2524 (output_message_text): New macro.
2526 * diagnostic.c (clear_text_info): Rename to
2527 output_clear_message_text.
2528 (output_clear): Adjust.
2529 (output_finish): Rename to output_finalize_message. Tweek.
2530 (output_to_stream): Adjust.
2532 2000-09-28 Neil Booth <neilb@earthling.net>
2534 * cpperror.c (_cpp_begin_message): Do the test for suppression
2535 of warnings and pedantic warnings before the "is a warning an
2537 * cppinit.c (cpp_handle_option): Remove surplus \n.
2538 * cpplex.c (ON_REST_ARG): Delete.
2539 (skip_block_comment): Initialise prevc.
2540 (parse_args): Improve error messages.
2541 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2543 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2544 * cppmain.c (main): Set callbacks for #ident and #pragma
2545 only if no_output option is false.
2546 (do_pragma_implementation): Only call the #pragma handler
2547 if it is set in the cpp_reader structure.
2549 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2551 * integrate.c (copy_insn_list): if an ignored return value
2552 is being clobbered, skip cloning that into the inline copy.
2554 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2556 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2557 use @uref for formatting URLs.
2559 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2561 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2564 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2566 * gcc.c (cpp_options): Add spec for -ftabstop=.
2567 (invoke_as): New spec that handles invoking as.
2568 Update specs to handle -save-temps and -traditional.
2569 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2571 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2572 invoke_as, and handle -save-temps and -traditional (if
2575 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2577 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2579 (function_arg_slotno): Accept TImode/CTImode.
2580 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2583 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2585 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2588 2000-09-25 Jim Wilson <wilson@cygnus.com>
2590 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2591 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2592 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2593 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2595 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2597 * cpplex.c (parse_args): Don't set VOID_REST flag.
2598 (CONTEXT_VARARGS): New flag.
2599 (maybe_paste_with_next): Set context earlier in loop. Use
2600 it. Do varargs test with CONTEXT_VARARGS flag.
2601 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2602 pushing an argument context for a varargs argument.
2603 * cpplib.h (VOID_REST): Delete.
2604 * gcc.dg/cpp/vararg1.c: Add test case.
2606 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2608 * flags.h: Declare warning flag warn_system_headers.
2609 * toplev.c: Define it.
2610 (W_options): Add option -Wsystem-headers.
2611 * diagnostic.c (count_error): Test warn_system_headers.
2612 * invoke.texi: Add description for -Wsystem-headers.
2613 * cpplib.h (cpp_options): New member warn_system_headers.
2614 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2615 CPP_IN_SYSTEM_HEADER.
2616 * cpplib.c (do_import, do_pragma_once): Likewise.
2617 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2618 and CPP_IN_SYSTEM_HEADER.
2619 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2620 (print_help): Describe -Wsystem_headers.
2621 * cpplex.c (lex_line): Reorganize condition so that warnings
2622 about C++ comments in system headers can be enabled. Remove
2623 label do_line_comment.
2625 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2627 * cpplex.c (save_comment): Only store the initial '/'
2629 (lex_token): Combine handling of the two comment types.
2630 Pass everything but the initial '/' to save_comment.
2632 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2634 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2635 _cpp_can_paste): New library-internal prototypes.
2636 * cpplex.c (dump_param_spelling, output_line_command,
2637 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2638 cpp_printf, cpp_output_list): Move to cppoutput.c.
2639 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2640 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2642 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2643 dump_param_spelling, output_line_command, cpp_scan_buffer,
2644 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2646 * Makefile.in: Add cppoutput.c.
2647 * po/POTFILES.in: Add cppoutput.c.
2649 2000-09-25 Richard Henderson <rth@cygnus.com>
2651 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2652 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2653 split until after reload.
2654 (rotlsi3, rotldi3): New.
2656 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2658 * diagnostic.c (output_last_position): Define.
2659 (set_real_maximum_length): Tweek.
2660 * diagnostic.h (output_last_position): Declare.
2662 2000-09-25 Kazu Hirata <kazu@hxi.com>
2664 * config/i386/i386.c: Fix formatting.
2666 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2668 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2669 UNITS_PER_WORD is small.
2671 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2673 * c-common.c (format_char_info): Add flags2; update comments.
2674 (print_char_table, scan_char_table, time_char_table): Split some
2675 flags out into flags2.
2676 (check_format_info): Use flags2 for those flags, for identifying
2677 the initial character of a scanf scanset, and for identifying
2678 printf formats where the '0' flag is ignored with precision.
2680 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2682 Changes below marked "here" add TABs on either or both sides,
2683 covering start of line, up to any operand for all noted .*ASM.*_OP
2684 definitions. All callers changed.
2685 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2686 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2687 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2688 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2689 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2690 Fix typos in description for LONG_LONG_TYPE_SIZE and
2691 FINI_SECTION_ASM_OP.
2692 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2693 why these defaults don't have leading spacing.
2694 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2695 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2696 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2697 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2698 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2699 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2700 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2701 * varasm.c (ASM_STABS_OP): Here.
2702 * xcoffout.h (ASM_STABS_OP): Here.
2703 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2704 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2705 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2706 STRING_ASM_OP): Here.
2707 * config/freebsd.h (IDENT_ASM_OP): Here.
2708 * config/linux-aout.h (SET_ASM_OP): Here.
2709 * config/linux.h (SET_ASM_OP): Here.
2710 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2712 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2713 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2714 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2715 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2717 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2718 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2719 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2720 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2721 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2722 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2723 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2724 * config/a29k/udi.h (INT_ASM_OP): Here.
2725 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2726 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2728 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2729 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2730 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2731 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2732 ASM_STABD_OP): Here.
2733 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2734 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2735 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2736 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2737 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2738 SIZE_ASM_OP, STRING_ASM_OP): Here.
2739 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2740 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2741 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2742 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2743 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2744 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2746 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2747 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2748 * config/arm/coff.h (INT_ASM_OP): Here.
2749 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2750 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2751 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2752 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2753 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2754 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2755 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2756 STRING_ASM_OP): Here. Update documentation copy in comments.
2757 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2758 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2759 DATA_SECTION_ASM_OP): Here.
2760 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2762 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2763 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2764 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2765 BSS_SECTION_ASM_OP): Here.
2766 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2767 BSS_SECTION_ASM_OP): Here.
2768 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2770 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2771 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2772 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2773 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2774 BSS_SECTION_ASM_OP): Here.
2775 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2776 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2777 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2778 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2779 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2781 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2782 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2784 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2785 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2786 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2787 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2789 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2790 * config/i386/netbsd.h (INT_ASM_OP): Here.
2791 * config/i386/openbsd.h (INT_ASM_OP): Here.
2792 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2793 IDENT_ASM_OP): Here.
2794 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2795 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2796 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2797 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2798 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2799 SHARED_BSS_SECTION_ASM_OP): Here.
2800 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2801 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2802 DATA_SECTION_ASM_OP): Here.
2803 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2804 CONST_SECTION_ASM_OP): Here.
2805 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2806 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2807 BSS_SECTION_ASM_OP): Here.
2808 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2809 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2810 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2811 BSS_ASM_OP): Here, but use trailing spaces.
2812 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2813 DATA_SECTION_ASM_OP): Here.
2814 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2816 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2817 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2818 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2819 TDESC_SECTION_ASM_OP): Here.
2820 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2821 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2822 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2824 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2825 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2826 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2827 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2828 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2829 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2830 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2831 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2832 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2833 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2834 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2835 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2837 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2838 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2839 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2840 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2841 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2842 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2843 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2844 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2845 GLOBAL_ASM_OP): Here.
2846 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2847 BSS_SECTION_ASM_OP): Here.
2848 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2849 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2850 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2851 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2853 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2854 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2855 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2856 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2857 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2858 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2859 but use trailing spaces.
2860 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2861 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2862 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2864 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2865 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2866 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2867 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2868 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2869 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2870 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2871 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2872 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2873 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2874 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2875 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2877 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2878 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2879 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2880 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2881 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2882 DTORS_SECTION_ASM_OP): Here.
2883 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2884 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2885 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2886 BSS_SECTION_ASM_OP): Here.
2887 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2888 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2889 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2890 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2891 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2892 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2893 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2894 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2896 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2898 * config/mips/osfrose.h (SET_ASM_OP): Here.
2899 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2900 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2901 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2902 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2904 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2905 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2906 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2907 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2908 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2909 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2911 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2913 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2914 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2915 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2917 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2918 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2919 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2920 * config/sparc/linux64.h (COMMON_ASM_OP,
2921 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2922 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2923 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2924 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2925 * config/sparc/pbd.h (ASM_INT_OP): Here.
2926 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2927 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2928 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2929 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2930 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2931 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2932 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2933 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2934 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2935 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2936 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2937 EH_FRAME_SECTION_ASM_OP): Here.
2938 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2939 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2941 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2943 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2944 TCOMMON_ASM_OP): Here.
2945 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2947 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2950 2000-09-25 Richard Henderson <rth@cygnus.com>
2952 * expmed.c (store_bit_field): Adjust last change to not consider
2953 any word-sized field naturally aligned.
2955 2000-09-24 Richard Henderson <rth@cygnus.com>
2957 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2958 TFmode unordered compares properly. Revalidate integer compare
2960 (alpha_emit_setcc): New.
2961 (alpha_emit_conditional_move): Revalidate integer compare operands.
2962 * config/alpha/alpha-protos.h: Update.
2963 * config/alpha/alpha.md (cmpdi): Allow general operands.
2964 (sne): Use alpha_emit_setcc.
2965 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2966 (sunordered, sordered): New.
2968 2000-09-24 Richard Henderson <rth@cygnus.com>
2970 * config/ia64/ia64-protos.h: Update.
2971 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2972 (ia64_expand_call): New.
2973 (ia64_expand_prologue): Emit an alloc if we need extra input
2975 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2976 instruction if true.
2977 (struct reg_flags): Add is_sibcall.
2978 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2979 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2980 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2981 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2982 * config/ia64/ia64.md (call): Use ia64_expand_call.
2983 (call_value): Likewise.
2984 (sibcall, sibcall_value): New.
2985 (call patterns): Remove extra expanders; tidy.
2986 (sibcall_epilogue): New.
2987 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2989 2000-09-24 Richard Henderson <rth@cygnus.com>
2991 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2993 * sibcall.c (skip_pic_restore): New.
2994 (identify_call_return_value): Use it.
2996 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2998 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2999 functions. Generalize to handle both C and C++.
3000 * Makefile.in (c-tree.info): New target.
3001 (info): Add c-tree.info.
3003 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3005 * expr.c (store_field): If BITSIZE is negative, use size of type.
3006 (expand_expr, case COMPONENT_EXPR): Likewise.
3008 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3010 * cpplex.c: Update TODO comment.
3011 * cpplib.c (do_error, do_warning): Merge common code of
3012 do_error and do_warning into do_diagnostic. Use it.
3013 (do_diagnostic): New function.
3014 * cpplib.h: Fix comment typo.
3016 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3018 * c-common.c (check_format_info): Warn for a wide character string
3019 used as a non-wide format argument.
3021 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3023 * builtins.def (BUILT_IN_LLABS): Add.
3024 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3025 * c-common.c (c_common_nodes_builtins): Create builtin functions
3026 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3027 outside of C99 mode.
3028 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3030 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3032 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3033 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3034 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3035 _cpp_free_toklist): No need to worry about extra dummy token
3036 at the start of token lists any more.
3037 (trigraph_ok): Only warn outside comments.
3038 (skip_block_comment): Set and clear lexing_comment.
3039 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3040 Set and clear lexing_comment.
3041 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3042 (check_long_token): Delete.
3043 (lex_percent, lex_dot): New subroutines of lex_token to
3044 handle lexing of '.' and '%' without lookback.
3045 (lex_token): Use lex_dot and lex_percent.
3046 (lex_line): Don't check for LIST_OFFSET.
3047 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3048 * cpplib.c (_cpp_parse_assertion): Similarly.
3049 (cpp_push_buffer): Initialize extra_char.
3050 * cpplib.h (LIST_OFFSET): Delete.
3051 (struct cpp_buffer): New member extra_char.
3052 (struct lexer_state): New members lexing_comment and seen_dot.
3054 2000-09-23 Jason Merrill <jason@redhat.com>
3056 * config/rs6000/x-aix41 (CLIB): Define here.
3057 * config/rs6000/t-aix43: Not here.
3058 * config/rs6000/t-aix41: Or here. Remove.
3059 * configure.in: Don't use it.
3061 2000-09-22 Jason Merrill <jason@redhat.com>
3063 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3064 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3065 * config.in: Regenerate.
3067 * configure.in: Fix checks for assembler features when using a
3068 one-tree assembler that has not yet been built.
3069 Fix --disable-threads.
3071 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3073 * stmt.c (expand_asm_operands): Allow # in constraints.
3075 2000-09-22 Jason Merrill <jason@redhat.com>
3077 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3079 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3080 function-local names.
3082 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3083 Mark Mitchell <mark@codesourcery.com>
3085 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3086 * flags.h (warn_disabled_optimization): Add it here.
3087 * gcse.c (gcse_main): Add warning when disabled.
3088 * invoke.texi: Document -Wdisabled-optimization.
3090 2000-09-21 Jason Merrill <jason@redhat.com>
3092 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3094 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3095 (gen_variable_die): Call it for non-definitions.
3097 * dwarf2out.c (die_struct): Add die_mark field.
3098 (mark_dies, unmark_dies): New fns.
3099 (clear_die_sizes): Remove.
3100 (print_die): Check die_symbol rather than die_offset.
3101 (build_abbrev_table, output_pubnames, output_aranges): Check
3102 die_mark rather than die_offset.
3103 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3106 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3108 * cppfiles.c (lookup_include_file): Rename to open_file.
3109 Always create a splay tree value, even on syscall failures.
3110 Negative entries indicated by fd == -2.
3111 Re-open files closed in the meantime.
3112 (_cpp_fake_include): Create a negative splay tree entry.
3113 (find_include_file, cpp_read_file): Update for function name
3115 * gcc.gd/cpp/mi4.c: Testcase.
3117 2000-09-21 Nick Clifton <nickc@redhat.com>
3119 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3120 ARM and THUMB modes.
3122 * config/mcore/mcore.c: Fix compile time warnings.
3123 * config/mcore/mcore-protos.h: Fix compile time warnings.
3125 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3127 * configure.in: Correct test of gcc_cv_glibc.
3128 * configure: Rebuilt.
3129 * config.in: Rebuilt.
3131 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3134 (expand_builtin): Handle BUILT_IN_FWRITE.
3136 * builtins.def (BUILT_IN_FWRITE): New entry.
3138 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3140 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3142 * gcc.c (modify_target): New variable and struct.
3143 (process_command): Handle MODIFY_TARGET_NAME.
3144 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3145 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3147 * c-decl.c (finish_decl): Add else's to avoid referencing
3148 TYPE_DOMAIN of an ERROR_MARK.
3150 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3152 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3155 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3157 * config/avr/avr.md (neghi2): Add alternative for input and output
3158 operands in different registers, as in negsi2.
3159 (*negsi2): Remove '*' from the name. Use "movw" if available.
3161 2000-09-19 Jim Wilson <wilson@cygnus.com>
3163 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3164 HAVE_GAS_HIDDEN macro.
3166 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3168 * cpplex.c (lex_line): Drop the EOF token for unknown
3169 directives in assembler.
3171 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3173 * configure.in: Allow enable_threads_flag value of "aix". Define
3174 thread_file as "aix" for AIX 4.3 and above.
3175 * configure: Regenerated.
3177 * gthr-aix.h: New file.
3179 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3180 Remove 403 processor multilib match. Fix rios2 processor multilib
3183 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3184 to return to appropriate csect.
3186 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3188 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3190 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3191 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3194 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3197 * c-common.c (init_function_format_info): Handle __builtin_printf.
3198 Set `check_function_format_ptr'.
3199 (c_common_nodes_and_builtins): Set `puts_ftype' and
3200 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3201 __builtin_printf and printf.
3203 * tree.c, tree.h (check_function_format_ptr): Declare.
3205 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3207 * cppfiles.c (read_include_file): Take no special action for
3210 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3212 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3213 rather than that of branch.
3214 (shorten_branches): Don't increment insn_current_address twice.
3216 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3217 * loop.h (struct induction): Delete members derived, ix and last_use.
3218 (struct loop_ivs): Delete members first_increment_giv and
3220 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3221 recombine_givs): Delete functions.
3222 (find_and_verify_loops): Don't initialize cont_dominator.
3223 (strength_reduce): Lose code to try to find bivs that can be
3224 expressed as givs of another biv, and to convert biv increments
3226 Lose loop_scan_start variable, always use loop->scan_start.
3227 Don't call recombine_givs. Don't handle derived givs.
3228 (record_giv): Don't initialize derived and last_use fields.
3229 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3231 * unroll.c (derived_regs): Delete static variable.
3232 (unroll_loop): Don't initialize it.
3233 (copy_loop_body): Lose code to handle derived givs.
3234 (find_splittable_givs): Don't check for givs made from biv
3236 Don't set derived_regs.
3238 Fix misapplied earlier patch:
3239 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3241 (floatsisf2): Generate floatsisf_ie by default.
3242 (floatsisf_i4): Conditional on TARGET_SH4.
3244 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3245 predicate for the expanders.
3247 2000-09-19 Richard Henderson <rth@cygnus.com>
3249 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3250 in addition to pentium and pentiumpro symbols.
3251 (CPP_CPU_DEFAULT_SPEC): Likewise.
3253 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3256 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3257 if the tree has side effects.
3258 (warn_if_unused_value): Do not warn about void constructs.
3260 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3262 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3263 calling invert_jump.
3265 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3267 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3270 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3272 * Makefile.in (c-common.o): Depend on diagnostic.h.
3274 * c-common.c: Include diagnostic.h.
3276 (status_warning): New function.
3277 (check_format_info, maybe_read_dollar_number, check_format_types,
3278 finish_dollar_format_checking, check_function_format): Accept a
3279 `status' parameter. All callers changed.
3281 * c-common.h (check_function_format): Accept a `status' parameter.
3283 * c-typeck.c: Update call to `check_function_format'.
3285 2000-09-18 Richard Henderson <rth@cygnus.com>
3287 * c-decl.c (c_expand_body): Call mark_varargs before
3288 expand_function_start.
3290 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3292 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3293 * config/rs6000/eabi-ci.asm: Likewise.
3295 2000-09-18 Richard Henderson <rth@cygnus.com>
3297 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3300 2000-09-18 Jim Wilson <wilson@cygnus.com>
3302 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3303 before passing it to fold_rtx_mult_add.
3305 * unroll.c (final_giv_value): Pass increment through
3306 extend_value_for_giv before passing it to emit_iv_add_mult.
3308 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3309 paradoxical subreg, then directly substitute the replacement and
3312 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3314 * cpp.texi: Update documentation, including some clarifications,
3315 the treatment of various newline combinations, and space between
3316 backslash and newline.
3318 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3320 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3321 Replace ASM_OUTPUT_LABELREF with assemble_name.
3323 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3325 * sh.c (addsubcosts): CONST is not cheap.
3326 (find_barrier): For Sh1, take alignment after jumps into account.
3328 2000-09-15 Andrew Haley <aph@redhat.com>
3330 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3331 remove all SETs of SUBREGs of hard registers.
3332 * function.c (purge_hard_subreg_sets): New function.
3333 (purge_single_hard_subreg_set): New function.
3334 * rtl.h: (purge_hard_subreg_sets): New function.
3336 2000-09-18 Richard Henderson <rth@cygnus.com>
3338 * config/ia64/ia64-protos.h: Update.
3339 * config/ia64/ia64.c (signed_inequality_operator): New.
3340 (ia64_expand_compare): New.
3341 (ia64_register_move_cost): Handle PR_REGS moves.
3342 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3343 (struct reg_write_state): Add written_by_and/or.
3344 (struct reg_flags): Add is_and/or.
3345 (rws_update): Set them.
3346 (rws_access_regno): Test them to allow parallel comparisons.
3347 (rtx_needs_barrier): Recognize parallel comparisons.
3348 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3349 Call recog_memoized; ignore pred_rel_mutex.
3350 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3351 (ia64_reorg): Do it here instead.
3352 * config/ia64/ia64.h: s/CCmode/BImode/g
3353 (MODES_TIEABLE_P): Don't tie BImode.
3354 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3355 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3356 (RTX_COSTS): Make multiply 4 insns.
3357 (MEMORY_MOVE_COST): New.
3358 (PREDICATE_CODES): Update.
3359 * config/ia64/ia64.md: s/CCmode/BImode/g
3360 (movcci, movbi): New.
3361 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3362 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3363 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3364 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3365 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3366 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3367 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3368 (mulsi, muldi): Use xmpy not xma.
3370 (movcc, movcc_internal): Remove.
3371 (branch expanders): Use ia64_expand_compare.
3372 (setcc expanders): Likewise.
3373 (cmov insns): Use move_operand and ia64_move_ok.
3374 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3375 scheduler from moving it past a use.
3376 * config/ia64/build.hacks: Remove.
3378 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3380 * cpphash.h (HASHSTEP): Take character rather than pointer
3382 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3384 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3386 * cpplex.c (auto_expand_name_space, trigraph_replace,
3387 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3388 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3389 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3390 KNOWN_DIRECTIVE): Delete.
3392 (handle_newline, check_long_token, skip_escaped_newlines,
3393 unterminated): New functions.
3394 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3396 (parse_identifier): Was parse_name, new implementation.
3397 (skip_line_comment, skip_block_comment, skip_whitespace,
3398 parse_number, parse_string, trigraph_ok, save_comment,
3399 adjust_column, _cpp_get_line): New implementations.
3401 (lex_token): New function. Lexes a token at a time, looking
3402 forwards. Contains most of the guts of the old lex_line.
3403 (lex_line): New implementation, using lex_token to obtain
3405 (cpp_scan_buffer): Use the token's line, not the list's line.
3407 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3408 New implementations.
3409 (do_assert): Don't bother setting the answer's list's line.
3410 (cpp_push_buffer): Initialise new pfile and read_ahead members
3411 of struct cpp_buffer.
3413 * cpplib.h (cppchar_t): New typedef.
3414 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3416 (struct lexer_state): New structure that determines the state
3417 and behaviour of the lexer.
3418 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3419 (struct cpp_reader): New member "state". Rename
3420 multiline_string_line and multiline_string_column. Delete
3421 col_adjust, in_lex_line members.
3422 (CPP_BUF_COLUMN): Update.
3424 2000-09-18 Richard Henderson <rth@cygnus.com>
3426 * combine.c (simplify_comparison): Shift a NOT out of a single
3429 * combine.c (if_then_else_cond): Canonicalize BImode true to
3431 * explow.c (trunc_int_for_mode): Likewise.
3433 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3434 the NOT for De Morgan's rule.
3435 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3436 of a comparison to the reverse comparison.
3438 * combine.c (try_combine): Allow split to create a single insn.
3440 * machmode.def: Add BImode. Add a column for bitsize.
3441 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3442 (GET_MODE_BITSIZE): Use it.
3443 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3444 (mode_bitsize): New.
3445 (mode_mask_array): Use bitsize.
3446 * combine.c (combine_simplify_rtx): Require inner and outer
3447 modes to match on nonzero_bits optimizations.
3449 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3451 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3452 its entry in spill_reg_store.
3453 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3454 * sh.c (reg_no_subreg_operand): New function.
3455 * sh-protos.h (reg_no_subreg_operand): Declare it.
3456 * sh.h (PREDICATE_CODES): Add it.
3457 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3458 input operand that needs to be in fpul.
3459 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3460 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3461 might add new insns.
3463 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3465 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3467 (sh_expand_epilogue): Take the PIC register into account when
3468 computing the frame size.
3470 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3471 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3472 LABEL_REFs with a PIC-safe unspec.
3474 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3476 * c-common.c (check_format_info): Properly save the argument
3477 number and parameter for $ operand number formats in case width
3478 and precision arguments are also used. Allow printf width and
3479 precision arguments to have operand numbers even if none was
3480 specified for the main format, since this is OK for %*.*m. Only
3481 object to missing $ operand number if the format used requires an
3484 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3486 * c-common.c (format_char_info): Add 'W' flag to comment.
3487 (print_char_table, scan_char_table): Use it.
3488 (check_format_info): Use the 'W' flag to determine whether a
3489 format argument is written into.
3491 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3493 * c-common.c (check_format_types): Reorganise and clean up,
3494 checking earlier for ERROR_MARKs and making cur_type into its
3495 TYPE_MAIN_VARIANT where convenient.
3497 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3499 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3501 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3503 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3505 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3506 * i386.c (struct builtin_description): New.
3507 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3508 (mmx_reg_operand): Declare MODE arg as unused.
3509 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3510 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3511 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3512 ix86_init_builtins, ix86_expand_builtin): New functions.
3513 * i386.h (ix86_builtins): New enumeration.
3514 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3515 * i386.md (attr length_immediate): 0 for mmx/sse types.
3516 (attr prefix_0f): 1 for mmx/sse types.
3517 (setcc_2): Remove "*" so we get gen_setcc_2.
3518 (emms): Account for changed register numbering. Set "memory" attr
3520 (sfence): Set "memory" attr to unknown.
3522 2000-09-18 Andreas Jaeger <aj@suse.de>
3524 * configure.in: Define _GNU_SOURCE only when using the GNU C
3526 * configure: Regenerated.
3527 * config.in: Regenerated.
3529 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3531 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3532 * flow.c (flow_dump_loop): Likewise.
3533 (flow_loops_dump): Likewise.
3535 * c-typeck.c (c_start_case): Fix typo.
3537 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3539 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3540 to int for plain complex which defaults to complex double. Do
3541 warn about defaulting to complex double if pedantic. Warn about
3542 complex integer types if pedantic. Warn about complex types if
3543 pedantic and not in C99 mode.
3544 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3545 for complex conjugation.
3547 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3549 * contrib.texi: Update my entry.
3551 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3553 * config/avr/avr.md (mcu_enhanced): New attribute.
3554 (mcu_mega): Likewise.
3555 (extendhisi2): Use mcu_enhanced.
3556 (zero_extendhisi2): Likewise.
3557 (call_insn): Use mcu_enhanced and mcu_mega.
3558 (call_value_insn): Likewise.
3559 (*sbrx_branch): Use mcu_mega.
3560 (*sbrx_and_branchsi): Likewise.
3561 (*sbrx_and_branchhi): Likewise.
3562 (*tablejump_lib): Likewise.
3564 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3566 * alias.c (true_dependence): Allow non-unchanging read to conflict
3567 with unchanging write.
3569 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3570 (store_constructor): Pass alias_set to it.
3572 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3573 TYPE_MAIN_VARIANT of ERROR_MARK.
3574 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3576 * simplify-rtx.c (simplify_unary_operation): Add cases
3577 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3579 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3581 * expr.h (emit_library_call, emit_library_call_value): Delete
3583 * rtl.h (enum libcall_type): New.
3584 (emit_library_call, emit_library_call_value): Change fn_type arg to
3585 be of type enum libcall_type.
3586 * calls.c: Likewise for the function definitions. Several callers
3587 throughout changed to use the new enumeration appropriately.
3588 (emit_library_call_value_1): Likewise. Put back code to make libcall
3589 blocks of equal form, but only use it for the two new higher
3592 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3594 Convert the C front-end to use function-at-a-time mode.
3595 * c-common.h: Include splay-tree.h.
3596 (C_DECLARED_LABEL_FLAG): New macro.
3597 (struct language_function): Add x_scope_stmt_stack and
3598 x_function_name_declared_p.
3599 (RECHAIN_STMTS): Move definition.
3600 (lang_statment_code_p): Likewise.
3601 (lang_expand_stmt): Likewise.
3602 (lang_expand_decl_stmt): New variable.
3603 (lang_expand_function_end): Likewise.
3604 (current_scope_stmt_stack): New function.
3605 (add_decl_stmt): Likewise.
3606 (add_scope_stmt): Likewise.
3607 (mark_stmt_tree): Likewise.
3608 (struct c_lang_decl): New structure.
3609 (DECL_SAVED_TREE): Define.
3610 (c_mark_lang_decl): New function.
3611 (c_expand_start_cond): Change prototype.
3612 (c_finish_then): New function.
3613 (c_finish_else): Likewise.
3614 (current_function_name_declared): Remove.
3615 (set_current_function_name_declared): Likewise.
3616 (mark_c_language_function): Declare.
3617 (case_compare): Likewise.
3618 (c_add_case_label): Likewise.
3619 (c_expand_expr): Likewise.
3620 (c_safe_from_p): Likewise.
3621 * c-common.c (lang_expand_function_end): New variable.
3622 (struct if_elt): Add if_stmt.
3623 (c_expand_start_cond): Add the if-statement to the statement-tree,
3624 rather than generating RTL.
3625 (c_finish_then): New function.
3626 (c_expand_start_else): Don't generate RTL.
3627 (c_finish_else): New function.
3628 (c_expand_expr_stmt): Don't generate RTL.
3629 (statement_code_p): Add SCOPE_STMT.
3630 (case_compare): New function.
3631 (c_add_case_label): Likewise.
3632 (mark_stmt_tree): Likewise.
3633 (c_mark_lang_decl): Likewise.
3634 (mark_c_language_function): Likewise.
3635 (c_expand_expr): Likewise.
3636 (c_safe_from_p): Likewise.
3637 * c-decl.c (c_stmt_tree): New variable
3638 (c_scope_stmt_stack): Likewise.
3639 (c_function_name_declared_p): Likewise.
3640 (lang_expand_expr_stmt): Remove.
3641 (poplevel): Don't call output_inline_function for nested
3643 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3645 (redeclaration_error_message): Change means of computing whether
3646 or not a function is nested.
3647 (lookup_label): Don't call label_rtx.
3648 (init_decl_processing): Add more GC roots.
3649 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3650 calling rest_of_decl_compilation.
3651 (finish_decl): Don't call expand_decl.
3652 (store_parm_decls): Begin the statement-tree, but don't generate
3654 (finish_function): Tie off the statement-tree. Call c_expand_body
3656 (c_expand_body): New function.
3657 (push_c_function_context): Save more information.
3658 (pop_c_function_contxt): Likewise.
3659 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3660 (lang_mark_tree): Mark it.
3661 (current_stmt_tree): Adjust.
3662 (current_scope_stmt_stack): New function.
3664 (set_current_name_declared): Likewise.
3665 (c_begin_compound_stmt): Define.
3666 (c_expand_decl_stmt): Likewise.
3667 * c-lang.c: Include rtl.h and expr.h.
3668 (lang_init): Set more language-specific hooks.
3669 * c-lex.c: Include expr.h.
3670 * c-parse.in: Changes throughout to add statements to the
3671 statement-tree, rather than generating RTL after every statement.
3672 * c-semantics.c (lang_expand_decl_stmt): Define.
3673 (add_decl_stmt): New function.
3674 (add_scope_stmt): Likewise.
3675 (finish_stmt_tree): Tweak.
3676 (genrtl_expr_stmt): Likewise.
3677 (genrtl_decl_stmt): Handle local labels, and call
3678 lang_expand_decl_stmt if required.
3679 (genrtl_for_stmt): Fix line-number handling.
3680 (genrtl_case_label): Handle cleanups.
3681 (genrtl_asm_stmt): Don't call combine_strings.
3682 (genrtl_compound_stmt): Simplify.
3683 (expand_stmt): Handle SCOPE_STMTs.
3684 * c-tree.h (struct lang_decl): New structure.
3685 (C_DECLARED_LABEL_FLAG): Remove.
3686 (c_begin_compound_stmt): Declare.
3687 (c_expand_decl_stmt): Likewise.
3688 (c_expand_start_case): Rename to c_start_case.
3689 (c_finish_case): New function.
3690 * c-typeck.c (start_init): Tweak setting of
3691 constructor_incremental.
3692 (c_expand_asm_operands): Tweak error-handling. Add to the
3694 (c_expand_return): Add to the statement-tree.
3695 (c_expand_start_case): Rename to ...
3696 (c_start_case): ... this.
3697 (struct c_switch): New type.
3698 (switch_stack): New variable.
3699 (do_case): Simplify.
3700 (c_finish_case): New function.
3701 * dependence.c: Include expr.h.
3702 (enum dependence_type): Change spelling of enumerals.
3703 (check_node_dependence): Adjust.
3704 * expr.h (lang_safe_from_p): Declare.
3705 (safe_from_p): Likewise.
3706 * expr.c (lang_safe_from_p): New variable.
3707 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3708 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3709 * toplev.c (rest_of_decl_compilation): Robustify.
3710 * tree.c (contains_placeholder_p): Likewise.
3711 * Makefile.in: Update dependencies.
3712 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3713 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3714 (objc_expand_function_end): New function.
3715 (finish_method_def): Use it.
3716 (init_objc): Initialize more language-specific hooks.
3717 * objc/Make-lang.in: Update dependencies.
3719 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3721 * configure.in: Define macros that affect features before
3722 testing for features. Don't define _XOPEN_SOURCE.
3723 * configure: Regenerated.
3724 * config.in: Regenerated.
3726 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3728 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3729 (rtx_unstable_p): Restructure code. Volatile asms
3732 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3734 * function.h (no_debugging_symbols): New field.
3735 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3736 Initialize no_debugging_symbols.
3737 (output_inline_function): Save and restore write_symbols and set from
3738 no_debugging_symbols.
3739 * toplev.c (rest_of_compilation): Call save_for_inline.
3740 * tree.h: Update comment.
3742 * stor-layout.c (place_field): Don't do anything if field or
3743 its type are ERROR_MARK.
3745 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3747 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3748 (read_include_file): Ensure inc->mmaped is initialized.
3750 2000-09-16 Richard Henderson <rth@cygnus.com>
3752 * cppiles.c (purge_cache): Use PTR not caddr_t.
3754 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3756 * gcc.c: In description for %{<S}, say the option removed is -S.
3757 * invoke.texi (Spec Files): Ditto.
3759 2000-09-16 Andreas Jaeger <aj@suse.de>
3761 * configure.in: Always define _GNU_SOURCE to make interfaces
3762 visible that were hidden by only defining _GNU_SOURCE.
3763 * configure: Regenerated.
3765 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3767 * cpplex.c (push_macro_context): Set an argument's level after
3768 calling parse_args. We could loop infinitely otherwise.
3770 2000-09-15 Tom Tromey <tromey@cygnus.com>
3772 * configure, config.in: Rebuilt.
3773 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3775 2000-09-15 Greg McGary <greg@mcgary.org>
3777 * cppmacro.c (check_trad_stringification): Check token
3778 text pointers against limit before dereferencing.
3780 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3782 * c-common.c (format_wanted_type): New structure.
3783 (check_format_types): New function.
3784 (check_format_info): Pass all checking of types of format
3785 arguments, including width and precision arguments, to this new
3788 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3790 * BUGS: Remove file.
3792 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3794 * config/alpha/alpha.c (override_options): ev6 cache latencies
3795 from Richard Henderson. Don't allow -mmemory-latency=L0.
3797 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3798 (TARGET_OPTIONS): Add tune=.
3799 (alpha_tune_string): Declare.
3800 * config/alpha/alpha.c (override_options): Add cpu_table.
3801 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3802 and then alpha_tune_string to set alpha_cpu only.
3803 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3804 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3805 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3806 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3808 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3810 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3812 (ix86_comparison_operator, ix86_cc_mode): Declare
3813 * i386.h (CCGC, CCGCO): New modes.
3814 (SELECT_CC_MODE): Move offline to ....
3815 * i386.c (ix86_cc_mode): .... here; use new modes.
3816 (ix86_comparison_operator): New.
3817 (fcmov_comparison_operator): Ensure proper mode.
3818 (put_condition_mode): More sanity checking.
3819 (ix86_match_ccmode): Handle new modes.
3820 (ix86_expand_fp_compare): GEU requires CCmode.
3821 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3823 * i386.md (cmp?i_ccz_1): Remove
3824 (cmp?i_ccno_1): Use ix86_match_ccmode.
3825 (cmp?i_minus_1): New.
3826 (cmpsi_1): New expander.
3827 (cmpqi_ext_1): Use match_ccmode
3828 (cmpqi_ext_3): New expander.
3829 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3830 (cmpqi_ext_4): Use match_ccmode.
3831 (add?i_?): Use match_ccmode.
3833 (test?i_ccz_1): Remove
3835 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3836 (testqi_ext_0): Use ix86_match_ccmode.
3837 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3838 (xorqi_cc_ext_1): New expander.
3839 (shift patterns): Use CCGOCmode for all shifts except for sar.
3840 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3841 (setcc_3, jcc_3, miv?icc_c): Remove.
3843 2000-09-15 Will Cohen <wcohen@redhat.com>
3845 * dwarf2out.c (add_const_value_attribute): Changed array into a
3846 xmalloced object, so it exists after function exit.
3847 (free_AT): Added case for dw_val_class_float to free allocated
3850 2000-09-15 Kazu Hirata <kazu@hxi.com>
3852 * config/i386/i386.md: Fix a comment typo.
3853 * gcc.c: Fix formatting.
3855 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3857 * optabs.c (emit_libcall_block): If target is a user variable,
3858 copy to a temporary first.
3859 * expr.c (convert_move): When generating a libcall, make a libcall
3861 * calls.c (emit_library_call_value_1): Don't create a libcall
3862 sequence here; our caller will in most cases do it.
3864 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3866 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3867 * sh.md (reload_outsf): Generate recognizable patterns for
3869 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3870 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3871 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3872 truncdfsf2_i4): Change not to use explicit references to fpul.
3873 (floatsisf2_ie): Remove USE of fpscr.
3874 (floatsisf2): Change default expansion to match this.
3875 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3878 2000-09-15 Richard Henderson <rth@cygnus.com>
3880 * expmed.c (store_bit_field): Consider naturally aligned
3881 memory for direct reference.
3883 2000-09-15 Richard Henderson <rth@cygnus.com>
3885 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3886 AND addresses into alias set 0.
3887 (alpha_expand_unaligned_store): Likewise.
3888 (alpha_expand_unaligned_load_words): Likewise.
3889 (alpha_expand_unaligned_store_words): Likewise.
3891 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3893 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3894 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3896 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3897 rsize of UNITS_PER_WORD.
3899 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3901 * cpplex.c (ON_REST_ARG): Correct the test.
3902 (maybe_paste_with_next): Duplicate a token that fail pasting,
3903 and clear its PASTE_LEFT flag, so that nested pasting attempts
3906 2000-09-14 Richard Henderson <rth@cygnus.com>
3908 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3909 * cse.c (rtx_cost): Likewise.
3910 * optabls.c (expand_binop): Likewise.
3911 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3912 * regclass.c (copy_cost): Likewise.
3913 * reload1.c (reload_cse_move2add): Likewise.
3915 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3917 * c-parse.in (reswords): Add _Complex.
3919 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3921 * gcc.1: Delete documentation for -undef preprocessor option.
3923 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3925 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3926 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3927 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3928 Remove undefine before config/elfos.h.
3929 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3931 2000-09-14 Kazu Hirata <kazu@hxi.com>
3933 * invoke.texi (H8/300 Options): Add -ms2600.
3934 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3935 is used without -ms.
3936 * config/h8300.h (TARGET_MAC): New.
3937 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3938 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3939 machine other than H8/S2600.
3940 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3943 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3945 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3946 pseudos that refer to the original pseudos, not only to their
3947 equivalent memory locations.
3949 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3951 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3952 when making new MEM.
3954 * Makefile.in (LN): Remove duplicate definition.
3956 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3958 From Joern Rennecke:
3959 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3960 on an insn and function_invariant_p returns nonzero for the source,
3961 add a REG_EQUAL note.
3963 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3965 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3966 conflict with frame_pointer_rtx.
3968 2000-09-13 Kazu Hirata <kazu@hxi.com>
3970 * loop.c: Fix formatting.
3973 2000-09-13 Richard Henderson <rth@cygnus.com>
3975 * config/ia64/ia64.md (divsf3): New.
3976 (divsf3_internal_lat, divsf3_internal_thr): New.
3977 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3978 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3979 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3980 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3981 (nmadddf4_alts, nmadddf4_trunc): New.
3982 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3983 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3984 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3985 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3986 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3987 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3988 (nmaddtf4_truncdf_alts): New.
3989 (recip_approx): Don't predicate.
3991 2000-09-13 Richard Henderson <rth@cygnus.com>
3993 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3995 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3997 * flags.h (flag_dump_rtl_in_asm): Declare.
3998 * toplev.c (flag_dump_rtl_in_asm): Define.
3999 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4000 if -dP is specified.
4001 * rtl.h (print_rtx_head): Declare.
4002 * print-rtl.c (print_rtx_head): Define.
4003 (print_rtx): Print the string pointed to by print_rtx_head
4004 at beginning of each dump line.
4005 (print_rtl): Likewise.
4006 (print_rtl_single): Likewise.
4007 * final.c (final_scan_insn): Dump the insn in the assembly
4009 * gcc.1: Document -dP option.
4010 * invoke.texi (Debugging Options): Likewise.
4012 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4014 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4015 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4016 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4018 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4020 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4021 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4022 (*clrstrqi): Likewise.
4023 (xorhi3,xorsi3,absqi2): Likewise.
4024 (one_cmplhi2,one_cmplsi2): Likewise.
4025 (addsi3): Two stupid constraint alternatives removed.
4026 (extendhisi2): Use `movw' for enhanced avr cores.
4027 (zero_extendhisi2): Likewise.
4029 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4031 * alias.c (find_base_term): Use frame_pointer_rtx
4032 when handling an ADDRESSOF.
4034 * cse.c (canon_hash): Handle USE of BLKmode memory.
4035 (cse_insn): Outgoing arguments for a libcall don't
4036 affect any recorded expressions.
4038 2000-09-12 Tom Tromey <tromey@cygnus.com>
4040 * configure, config.in: Rebuilt.
4041 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4043 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4045 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4046 * expr.c (expand_expr): Don't optimize constant array references
4047 initialized with wide string constants.
4049 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4051 * loop.c (note_set_pseudo_multiple_uses): Correct.
4053 2000-09-12 Jim Wilson <wilson@cygnus.com>
4055 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4056 else block, and X has side-effects, then fail.
4058 2000-09-12 Greg McGary <greg@mcgary.org>
4060 * config/mips/mips-protos.h
4061 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4062 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4063 (PREDICATE_CODES): Add "trap_cmp_op".
4064 * config/mips/mips.c
4065 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4066 * config/mips/mips.md (trap, conditional_trap): New patterns.
4068 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4070 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4073 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4075 * builtins.c (built_in_decls): New array.
4076 (expand_builtin_fputs): New function.
4077 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4079 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4081 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4083 * tree.h (built_in_decls): New array.
4085 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4087 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4089 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4091 2000-09-12 Kazu Hirata <kazu@hxi.com>
4093 * haifa-sched.c: Fix formatting.
4095 * genattrtab.c: Fix formatting.
4097 * unroll.c: Fix formatting.
4099 2000-09-12 Bruce Korb <bkorb@gnu.org>
4101 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4102 remove obsolete code
4103 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4104 * fixinc/fixincl.tpl: make non-exported arrays static scope
4105 * fixinc/fixincl.x: regenerate
4106 * fixinc/fixlib.h: Use PARAMS, not _P_
4107 * fixinc/fixtests.c: make a type for the test proc & use it
4108 * fixinc/server.h: Use PARAMS, not _P_
4110 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4112 * c-typeck.c (process_init_element): Avoid union init warnings on
4113 floating point zero. Don't crash on unions containing structs.
4115 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4117 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4118 general_movsrc_operand, and remove CONST_INT from
4119 general_movdst_operand.
4121 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4123 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4124 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4125 regs with a higher cost.
4126 (preferrable): Deal with cases where either cost or regcost is
4128 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4130 (COSTS_N_INSNS): Move definition...
4132 (MAX_COST): New macro.
4133 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4136 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4138 * c-common.h (genrtl_clear_out_block): Remove.
4139 * c-semantics.c (genrtl_clear_out_block): Remove.
4140 (genrtl_while_stmt): Don't call it.
4141 (genrtl_for_stmt): Likewise.
4143 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4145 * cppfiles.c: Move all default-#defines to top of file.
4146 (open_include_file): Replace by lookup_include_file.
4147 (read_with_read, read_file): Merged into read_include_file.
4148 (stack_include_file, purge_cache): New functions.
4149 (close_cached_fd): Delete.
4150 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4151 Cache the in-memory buffer, not the file descriptor.
4153 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4155 (xcnew): New utility macro.
4156 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4157 * cpplib.h (struct cpp_buffer): Remove mapped field.
4159 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4161 * cpplex.c (parse_string): Accept backslash space newline as a
4163 (lex_line): Likewise.
4164 (_cpp_get_token): Remove hard limit on macro nesting.
4166 2000-09-12 Philipp Thomas <pthomas@suse.de>
4168 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4169 * configure: Rebuilt.
4171 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4173 * flow.c (split_block): Fix update of registers live at
4176 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4178 * i386.md (add?i_3, add?i_5): New.
4179 (add?i_4): Rename from add?i_3; Fix compare pattern.
4180 (sub?i_3, xor?i_3, ior?i_3): New.
4182 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4183 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4184 instead of extract_insn and extract_constrain_insn_cache instead of
4185 extract_insn and constrain_operands.
4186 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4188 (extract_insn): Clear which_alternative.
4189 (constrain_operands): Set which_alternative to -1 when failed.
4190 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4193 2000-09-11 Matthew Hiller <hiller@redhat.com>
4195 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4196 on operand 0 to '+'.
4197 (movstricthi): Likewise.
4199 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4201 * loop.h (LOOP_IVS): New macro.
4202 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4203 (struct loop_ivs): New.
4204 (struct loop_info): Add ivs field.
4205 (reg_iv_type, reg_iv_info): Delete prototype.
4206 (reg_biv_class, loop_iv_list): Likewise.
4207 * loop.c (record_biv, find_life_end): Pass loop argument.
4208 (reg_iv_type): Remove global array and use
4209 field in loop_regs structure within loop_ivs structure.
4210 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4211 (first_increment_giv, last_increment_giv): Use entry in
4213 (record_initial): Pass ivs pointer.
4214 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4216 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4218 * loop.h (LOOP_REGS): New macro.
4219 (struct loop_regs): New.
4220 (struct loop_info): Add regs field.
4221 * loop.c (set_in_loop): Remove global array and store
4222 in loop_regs structure as part of loop_info structure.
4223 (n_times_set, may_not_optimize): Likewise.
4224 (reg_single_usage, moved_once): Likewise.
4225 (count_one_set): Add regs argument.
4226 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4227 (set_pseudo_multiple_uses): Pass regs pointer.
4229 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4231 * unroll.c (iteration_info): Subsume into loop_iterations.
4232 * loop.h (loop_info): New field iv.
4234 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4236 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4237 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4238 (flow_loops_update): New prototype.
4239 (flow_loops_find): Add flags to prototype.
4240 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4241 * flow.c (flow_loop_pre_header_scan): New.
4242 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4243 (flow_loop_free): Free pre-header root and trace and exit dominators.
4244 (flow_loops_find): New argument flags.
4245 (flow_loops_update): New function.
4246 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4248 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4250 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4251 * flow.c (split_block, update_bb_for_insn): New functions.
4253 2000-09-11 Richard Henderson <rth@cygnus.com>
4255 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4257 2000-09-11 Richard Henderson <rth@cygnus.com>
4259 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4260 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4261 (ia64_override_options): Prevent optimizing division for both
4262 latency and throughput.
4263 (rtx_needs_barrier): Handle frcpa.
4264 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4265 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4266 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4267 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4268 -minline-divide-max-throughput.
4269 (PREDICATE_CODES): Update.
4270 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4271 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4272 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4273 (extendsftf2): Likewise.
4274 (extenddftf2): Likewise.
4275 (fix_trunctfdi2_alts): New.
4276 (fixuns_trunctfdi2_alts): New.
4277 (madd*4): Rename from madd*3.
4278 (divsi3, modsi3, udivsi3, umodsi3): New.
4279 (divsi3_internal): New.
4280 (divdi3, moddi3, udivdi3, umoddi3): New.
4281 (divdi3_internal_lat, divdi3_internal_thr): New.
4282 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4283 (recip_approx): New.
4285 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4287 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4288 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4290 * integrate.c (copy_rtx_and_substitute): Don't share
4291 LEAF_REG_REMAPpable registers with the inlined function. Don't
4292 share the function value with calling sequences.
4294 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4296 * c-decl.c (do_case): Fix a typo.
4298 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4299 to a if the comparison is floating mode and not -ffast-math.
4300 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4302 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4304 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4305 gen_ic_invalidate_line.
4307 2000-09-11 Philip Blundell <pb@futuretv.com>
4309 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4311 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4313 * install.texi (LANGUAGES): Update to include new languages.
4316 2000-09-11 DJ Delorie <dj@redhat.com>
4318 * gcc.c (main): Don't warn about unused -B prefixes
4319 (unused_prefix_warnings): remove
4321 2000-09-11 Kazu Hirata <kazu@hxi.com>
4323 * final.c: Fix formatting.
4325 * integrate.c: Fix formatting.
4327 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4329 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4331 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4333 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4335 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4337 * gcc.1: Document 68hc11 specific options.
4339 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4341 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4342 (TARGET_LONG_DOUBLE_128): Define.
4343 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4344 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4345 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4346 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4347 of __LONG_DOUBLE_128__.
4348 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4350 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4351 (CPP_SYSV_DEFAULT_SPEC): Define.
4352 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4353 (INIT_TARGET_OPTABS): Define.
4355 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4356 (RS6000_UITRUNC): Likewise.
4357 (INIT_TARGET_OPTABS): New macro.
4358 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4359 (trunc_defined): Delete.
4360 (output_prolog): Don't output .extern definitions for fp->int
4361 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4362 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4363 (trunc_defined): Delete.
4364 (RS6000_ITRUNC): Moved to aix.h.
4365 (RS6000_UITRUNC): Likewise.
4366 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4367 only emit a libcall.
4368 (fixuns_truncdfsi2): Delete.
4369 (trunc_call): Delete.
4370 (trunc_call_rtl): Delete.
4372 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4374 * varasm.c (make_decl_rtl): Restore leading star on
4375 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4377 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4379 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4380 won't give a spurious error for '#pragma pack()'. Simplify
4381 control flow for readability. 'reset' action is not necessary.
4383 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4385 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4386 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4387 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4388 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4390 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4391 profile.c, sdbout.c, tradcif.y, tree.c:
4392 Include defaults.h if not already included.
4393 Don't define the above macros.
4395 * Makefile.in: Update dependencies.
4397 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4399 * c-common.h (add_stmt): Change prototype.
4400 (RECHAIN_STMTS): New macro.
4401 (CASE_LABEL_DECL): Likewise.
4402 (genrtl_case_label): Change prototype.
4403 (c_expand_start_case): Remove prototype.
4404 (build_case_label): Change prototype.
4405 (decl_constant_value): Declare.
4406 * c-common.c (check_case_value): Handle C++'s extensions to C
4408 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4410 * c-parse.in (stmt): Adjust handling of return statements and case
4412 * c-semantics.c (add_stmt): Return the new statement.
4413 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4414 returned expression. Directly generate RTL, rather than calling
4416 (genrtl_switch_stmt): Don't call c_expand_start_case.
4417 (build_case_label): Take the LABEL_DECL as input, too.
4418 (genrtl_case_label): Just call add_case_node.
4419 (expand_stmt): Adjust calls to genrtl_return_stmt and
4421 * c-tree.h (c_expand_start_case): Declare.
4422 * c-typeck.c (decl_constant_value): Give it external linkage.
4423 (c_expand_return): Don't call expand_return or expand_null_return;
4424 use genrtl_return_stmt instead.
4425 * stmt.c (struct nesting): Remove num_ranges field.
4426 (add_case_node): Give it external linkage.
4427 (expand_start_case): Don't set num_ranges.
4428 (expand_start_case_dummy): Don't clear it.
4429 (pushcase): Rely on add_case_node to handle `default' labels.
4430 (add_case_node): Handle `default' labels.
4431 * tree.c (tree_int_cst_compare): New function.
4432 * tree.h (tree_int_cst_compare): Declare.
4433 (add_case_node): Likewise.
4435 2000-09-10 Richard Henderson <rth@cygnus.com>
4437 * c-parse.in: Revert last change.
4438 (init_reswords): Do not enter disabled keywords into the ridpointers
4439 table, modulo objc weirdness.
4440 (_yylex): Return the canonical spelling for a keyword.
4442 2000-09-10 Philip Blundell <philb@gnu.org>
4444 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4445 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4447 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4449 * alias.c (find_base_term): Handle ADDRESSOF.
4450 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4452 2000-09-10 Denis Chertykov <denisc@overta.ru>
4454 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4455 outputting templates with many lines.
4457 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4459 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4460 to decide whether 64-bit support must be generated.
4462 2000-09-10 Richard Henderson <rth@cygnus.com>
4464 * c-parse.in (asm patterns): Fix volatile check.
4466 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4468 * cppmacro.c (check_trad_stringification): New function.
4469 (save_expansion): If -Wtraditional, warn about stringification of
4472 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4474 * loop.h (struct loop_mem_info): Move from loop.c
4475 (struct loop_info): Add fields store_mems, mems, mems_idx,
4476 mems_allocated, unknown_address_altered,
4477 unknown_constant_address_altered, num_mem_sets, and
4478 first_loop_store_insn.
4480 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4481 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4482 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4483 (num_mem_sets): Likewise.
4484 (replace_loop_mems, replace_loop_regs): New.
4485 (struct loop_replace_args): New.
4486 (load_mems): Use replace_loop_mems.
4487 (try_copy_prop): Use replace_loop_regs.
4488 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4490 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4492 * configure.in: Recognize m6811-elf and m6812-elf.
4493 * configure: Regenerate.
4495 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4497 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4500 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4502 * loop.c (struct movables): New.
4503 (num_movables): Move into struct movables.
4504 (the_movables): Change type to struct movables.
4505 (ignore_some_movables): Change struct movable arg to struct movables.
4506 (force_movables, combine_movables, regs_match_p): Likewise.
4507 (rtx_equal_for_loop_p, move_movables): Likewise.
4508 (scan_loop): Change movables to be of type struct movables.
4509 Replace last_movable with field in movables structure.
4511 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4513 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4514 (init_pragma): Avoid warning if pfile happens to be unused.
4515 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4516 define init_pragma to nothing. Always prototype
4517 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4519 * c-lex.c (process_directive): Always call dispatch_pragma.
4520 Initialize entering_c_header to 0.
4522 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4524 * config/m68hc11/m68hc11.md: New file, machine description for
4526 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4527 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4528 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4529 * config/m68hc11/m68hc11-protos.h: New file.
4530 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4531 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4532 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4533 * config/m68hc11/larith.asm: New file, libgcc routines.
4535 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4537 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4538 (FPBIT_FUNCS): Add _usi_to_sf.
4539 * config/fp-bit.c (usi_to_float): New function.
4540 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4541 (usi_to_float): Add appropriate #define.
4543 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4545 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4547 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4548 * i386.md (attr "type"): Add sse and mmx types.
4549 (attr "memory"): Handle them without a crash.
4550 (movsi_1, movdi_2): Allow MMX regs.
4551 (movdi splits): Don't split moves involving MMX regs.
4552 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4553 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4554 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4555 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4556 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4557 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4558 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4559 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4560 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4561 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4562 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4563 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4564 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4565 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4566 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4567 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4568 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4569 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4570 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4571 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4572 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4573 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4574 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4575 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4576 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4577 mmx_clrdi): New patterns.
4579 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4581 * arm.c: Don't include tm.h directly.
4583 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4585 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4586 testing; simplify subregs of constants and nested subregs.
4588 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4590 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4592 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4594 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4596 * rtl.texi (description of USE): Add note about possible pitfalls
4598 From Richard Henderson:
4599 * reload1.c (choose_reload_regs): Compute need_mode properly.
4601 2000-09-07 Richard Henderson <rth@cygnus.com>
4603 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4604 (__modsi3, __umodsi3): Likewise.
4605 (__udivsi3): Likewise. Normalize the TFmode values.
4607 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4609 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4611 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4614 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4616 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4617 (cmpeqdi_t): Add output pattern.
4618 (cmpeqdi_t+1): Don't split when not optimizing.
4619 Restore proper splitting operation.
4621 2000-09-07 Richard Henderson <rth@cygnus.com>
4623 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4624 do not call dispatch_pragma.
4626 2000-09-07 Jim Wilson <wilson@cygnus.com>
4628 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4629 to CLASS_CANNOT_CHANGE_MODE.
4630 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4631 mode classes are different.
4633 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4635 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4636 left out of commit which removed cppulp.c.
4638 2000-09-07 Richard Henderson <rth@cygnus.com>
4640 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4641 after switch for CASE_DROPS_THROUGH.
4643 2000-09-07 Richard Henderson <rth@cygnus.com>
4645 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4646 Properly extend the biv initial value for the giv.
4647 (record_biv): Zero ext_dependant.
4648 (record_giv): New argument ext_val. Update all callers.
4649 (general_induction_var): Likewise.
4650 (consec_sets_giv): Likewise.
4651 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4652 a sign-extend, zero-extend, or truncate.
4653 (combine_givs_p): Make sure modes are compatible.
4654 (check_ext_dependant_givs): New.
4655 (extend_value_for_giv): New.
4656 * loop.h (struct induction): Add ext_dependant.
4657 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4658 (find_splittable_givs): Likewise.
4659 (final_giv_value): Likewise.
4661 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4663 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4664 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4665 definitions from cpplib.h.
4666 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4668 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4669 documentation for REGISTER_TARGET_PRAGMAS.
4671 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4672 default-pragma callback to implement -Wunknown-pragmas if
4674 * c-parse.in: Move all includes to top of file.
4675 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4677 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4679 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4681 * arm.h, arm-protos.h, arm.c,
4682 c4x.h, c4x-protos.h, c4x.c,
4683 h8300.h, h8300-protos.h, h8300.c,
4684 i370.h, i370-protos.h, i370.c,
4685 i960.h, i960-protos.h, i960.c,
4686 sh.h, sh-protos.h, sh.c,
4687 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4688 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4690 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4691 multiple include guard.
4692 * i370.md (untyped_call): Use GEN_CALL.
4693 (umodsi3): Remove unused variable.
4694 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4695 * v850.c (output_move_single, output_move_double): Constify
4697 (print_operand): Constify a char *.
4698 * v850.h (struct small_memory_info): Constify name member.
4700 2000-09-07 Kazu Hirata <kazu@hxi.com>
4702 * config/h8300.h: Fix comment typos.
4703 * config/h8300/h8300.md: Likewise.
4704 * config/h8300/lib1funcs.asm: Likewise.
4706 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4708 * Makefile.in: Remove references to cppulp.{c,o}.
4709 * cppinit.c (initialize_builtins, cpp_start_read,
4710 cpp_handle_option): Update to use cpp_options structure.
4713 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4715 * c-common.c (time_char_table): Allow %#b and %#h.
4717 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4719 * reorg.c (find_end_label): If the basic block reorder pass moves the
4720 return insn to some other place try to locate it again and put our
4721 end_of_function_label there.
4722 * reorg.c (relax_delay_slots): Check if find_end_label created a
4723 new label that invalidates the current optimazation.
4725 2000-09-07 Catherine Moore <clm@redhat.com>
4727 * unroll.c (unroll_loop): Check for unconditional jumps
4728 to loop continuation. Delete if n_iterations is 1.
4729 (ujump_to_loop_cont): New routine.
4731 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4733 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4735 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4736 to handle multiword modes correctly. All callers and the declaration
4739 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4741 * c-common.h (prep_stmt): Declare.
4742 (lang_expand_stmt): Likewise.
4743 * c-decl.c (lang_expand_stmt): Remove.
4744 * c-semantics.c (lang_expand_stmt): Define.
4745 (prep_stmt): New function.
4746 (expand_stmt): Handle common statement types here.
4748 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4750 * configure.in (sh-*-linux*): Added.
4751 * configure: Rebuilt.
4752 * config/sh/t-linux: New file.
4753 * config/sh/sh.h (USERMODE_BIT): Define.
4754 (TARGET_USERMODE): Likewise.
4755 (TARGET_SWITCHES): New switches for the bits above.
4756 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4757 * config/sh/linux.h: New file.
4758 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4759 underscore on linux.
4760 (L_sdivsi3, L_udivsi3): Define for linux.
4761 (L_ic_invalidate): Define.
4762 * invoke.texi (SH Options): Document -musermode.
4764 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4766 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4767 CSE unless generating PIC.
4769 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4772 2000-09-06 H.J. Lu (hjl@gnu.org)
4774 * Makefile.in (clean_s1): Depend on stage_b.
4775 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4776 stage2. They are used for "make compare".
4778 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4780 Move statement-tree facilities from C++ to C front-end.
4781 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4782 (void_zero_node): New macro.
4783 (struct stmt_tree_s): New type.
4784 (stmt_tree): New typedef.
4785 (struct language_function): New type.
4786 (last_tree): New macro.
4787 (last_expr_type): Likewise.
4788 (walk_tree_fn): New typedef.
4789 (current_stmt_tree): New function.
4790 (begin_stmt_tree): Likewise.
4791 (add_stmt): Likewise.
4792 (finish_stmt_tree): Likewise.
4793 (statement_code_p): Likewise.
4794 (lang_statement_code_p): New variable.
4795 (walk_stmt_tree): New function.
4796 (STMT_IS_FULL_EXPR_P): New macro.
4797 * c-common.c (lang_statement_code_p): New variable.
4798 (c_common_nodes_and_builtins): Initialize void_zero_node.
4799 (statement_code_p): New function.
4800 (walk_stmt_tree): Likewise.
4801 * c-decl.c (language_function): Rename to ...
4802 (c_language_function): ... this. Include language_function.
4803 (push_c_function_context): Adjust accordingly.
4804 (pop_c_function_context): Likewise.
4805 (mark_c_function_context): Likewise.
4806 (current_stmt_tree): Define.
4807 * c-semantics.c (begin_stmt_tree): New function.
4808 (add_stmt): Likewise.
4809 (prune_unused_decls): Likewise.
4810 (finish_stmt_tree): Likewise.
4812 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4814 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4816 2000-09-06 Kazu Hirata <kazu@hxi.com>
4818 * calls.c: Fix formatting.
4820 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4822 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4824 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4826 Integrated preprocessor.
4828 * Makefile.in: Remove all references to c-parse.gperf,
4829 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4830 generating c-parse.c. Update dependencies.
4831 * c-parse.gperf, c-gperf.h: Delete.
4833 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4834 yy_lim, or yy_get_token. Don't define get_directive_line if
4836 * c-common.h: Add multiple include guard. Define RID values
4837 for every keyword in C, C++, and Objective C. Put all the
4839 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4840 * c-decl.c (c_decode_option): Handle -lang-objc here.
4841 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4842 (grokdeclarator): Adjust for new RID scheme.
4843 (extract_interface_info): New stub.
4844 * c-lang.c: Don't declare yy_cur or parse_options.
4845 (lang_init_options): Call cpp_init. Don't call
4847 (lang_init): Don't call check_newline if USE_CPPLIB.
4849 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4850 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4851 rendered unnecessary by new architecture. Move routines not
4852 shared with C++ to c-parse.in. Maintain a local idea of the
4853 line number. Handle C++ as well as C.
4854 [USE_CPPLIB]: Declare and register callbacks for #ident and
4855 for entering/leaving files.
4856 (init_c_lex, c_lex): Are now the entry points to this file.
4857 (check_newline): Break out directive handling to
4859 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4861 (readescape, parse_float): Overhaul.
4862 (lex_number, lex_string, lex_charconst): Break out of c_lex
4864 (get_fileinfo, update_header_times, dump_one_header,
4865 dump_time_statistics): New and/or moved here from C++.
4866 Support per-file data needed by C++ and per-header timing
4867 statistics (C++ only, at the moment).
4868 * c-lex.h: Update prototypes. Add multiple include guard.
4869 * c-tree.h (struct lang_identifier): Add rid_code field.
4870 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4872 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4873 reinit_parse_for_function and/or position_after_white_space.
4874 (save_filename, save_lineno): Look ahead before saving.
4875 (label -> identifier ':'): Save file and line before shifting ':'.
4876 (reservedwords): No need to call get_identifier.
4877 (init_parse, finish_parse, yyerror, yylex, yyprint,
4878 make_pointer_declarator): Are now here for C/ObjC.
4879 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4881 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4882 #pragma registry. Provide dummy implementation of that
4883 interface if !USE_CPPLIB.
4884 * c-pragma.h: Update to match.
4886 * flags.h: Add multiple include guard.
4887 (flag_detailed_statistics): Moved here from C++.
4888 * toplev.c: Define flag_detailed_statistics.
4890 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4892 * timevar.def (TV_CPP, TV_LEX): New.
4893 * timevar.h: Add multiple include guard.
4895 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4897 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4898 Initialize cpplib properly. Force lineno to 0 after first
4899 call to check_newline. Don't handle -lang-objc here.
4900 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4902 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4904 * rs6000.md: Correct function unit definitions for cr_logical and
4906 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4907 and use portable method for >=0 and floating point >=. Remove
4908 associated matchers.
4910 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4912 * extend.texi: Mark named return value extension as deprecated.
4914 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4916 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4919 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4921 * toplev.c (display_help): Fix thinko in documentation.
4923 * diagnostic.h (output_buffer::indent_skip): New fields.
4924 (output_indentation): New macro.
4926 * diagnostic.c (output_indent): New function.
4927 (output_set_prefix, clear_diagnostic_info): Use.
4928 (output_emit_prefix): Predict future indentation.
4930 2000-09-06 DJ Delorie <dj@redhat.com>
4932 * Makefile.in (stage_*): add more dependencies to ensure parallel
4933 builds build correctly
4935 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4937 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4938 not bootstrap-lean_f.
4940 2000-09-06 Andreas Schwab <schwab@suse.de>
4942 * mklibgcc.in: Emit rule for libgcc-stage-start.
4943 * Makefile.in (stage1-start, stage2-start, stage3-start,
4944 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4946 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4948 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4949 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4950 (combine_regs): Likewise.
4952 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4953 * cse.c: Include "basic-block.h".
4954 (struct table_elt): New field REGCOST.
4955 (CHEAP_REG): Delete macro.
4956 (COST): Return 0 for REGs.
4957 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4958 (notreg_cost): Return 0 for appropriate SUBREGs.
4959 (COSTS_N_INSNS): Return N * 2.
4960 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4962 (CHEAPER): Use new function preferrable.
4963 (insert): Initialize REGCOST member.
4964 (find_best_addr): Use approx_reg_cost for estimation of register
4966 (cse_insn): Likewise.
4967 * loop.c (iv_add_mult_cost): New function.
4968 (add_cost, shift_cost, mult_cost): Delete variables.
4969 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4970 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4971 Make code that detects autoinc opportunities slightly less optimistic.
4972 (simplify_giv_expr): If expression contains other reg that is also a
4973 giv, only increment benefit if this is the only use of that reg.
4974 (consec_sets_giv): Take that change into account.
4975 (combine_givs): Slightly more verbose output.
4977 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4978 not the cost of an equivalent shift.
4979 * sh-protos.h (addsubcosts): Declare.
4980 * sh.c (addsubcosts): New function.
4981 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4982 (RTX_COSTS): Tweak. Use addsubcosts.
4983 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4985 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4987 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4988 (branch_comparison_operator): Call validate_condition_mode to
4989 abort rather than returning 0.
4990 (branch_positive_comparison_operator): New function.
4991 (scc_comparison_operator): Call validate_condition_mode to abort
4992 rather than returning 0.
4993 (ccr_bit): Call validate_condition_mode. Update for
4995 (print_operand): Delete %C modifier. Update %E case
4996 to use EQ bit not SO bit.
4997 (rs6000_reverse_condition): New function.
4998 (rs6000_generate_compare): New function.
4999 (rs6000_emit_sCOND): New function.
5000 (rs6000_emit_cbranch): New function.
5001 (output_cbranch): The length of a long branch insn is
5002 now only 8 bytes. Add validate_condition_mode. Use
5003 rs6000_reverse_condition. Remove cror generation.
5005 * config/rs6000/rs6000.h: Update comments.
5006 (PREDICATE_CODES): Add new predicate. Update codes used
5007 by branch_comparison_operator and scc_comparison_operator.
5008 * config/rs6000/rs6000-protos.h: Add prototypes for
5009 new external functions.
5010 * config/rs6000/rs6000.md: Add new scheduling parameters
5011 for cr_logical instructions. Change length of branch
5013 (bCOND patterns): Call rs6000_emit_cbranch.
5014 (sCOND patterns): Call rs6000_emit_sCOND.
5015 (branch patterns): Change lengths to 4.
5016 (cr logical patterns): New.
5018 2000-09-06 Richard Henderson <rth@cygnus.com>
5020 * config/i386/i386.md (call_pop): Fix test for setting
5021 current_function_uses_pic_offset_table.
5022 (call, call_value_pop, call_value): Likewise.
5024 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5026 * timevar.c (timevar_add): Delete.
5027 (timevar_get): Also count time since the selected timer was
5028 last updated. Do not examine the timevar stack if the
5029 selected timer is standalone.
5031 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5033 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5035 2000-09-05 Jason Merrill <jason@redhat.com>
5037 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5038 for 'extern' arrays.
5040 2000-09-05 Richard Henderson <rth@cygnus.com>
5042 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5043 Eliminate final copy from non-trapping case.
5044 (__divdf3, __divsf3): Likewise.
5046 2000-09-05 Richard Henderson <rth@cygnus.com>
5048 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5049 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5051 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5053 * Makefile.in: Restructure bootstrap stages to allow clean
5054 restart after failure.
5056 2000-09-05 Richard Henderson <rth@cygnus.com>
5058 * config/ia64.md (movsi and movdi patterns): Allow moves from
5059 8-bit constants to AR registers.
5061 2000-09-05 Richard Henderson <rth@cygnus.com>
5063 * config/ia64/ia64.md (mulhi3): New.
5065 2000-09-05 Richard Henderson <rth@cygnus.com>
5067 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5068 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5069 Optimization Guide, minimum latency alternative.
5070 (__moddi3, __udivdi3, __umoddi3): Likewise.
5071 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5073 2000-09-05 Bruce Korb <bkorb@gnu.org>
5075 * fixinc/fixincl.c (load_file): always read header files
5076 with sizes that are a multiple of the page size.
5077 & use libiberty's getpagesize for determining that.
5079 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5081 * gcse.c (hash_string_1): Add prototype.
5082 * cse.c (canon_hash_string): Likewise.
5084 2000-09-04 Craig Newell <CraigN@ieee.org>
5086 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5088 2000-09-04 Andreas Schwab <schwab@suse.de>
5090 * Makefile.in (STAGESTUFF): Remove libgcc.
5091 (stage1-start, stage2-start, stage3-start): Copy the contents of
5092 the libgcc directory explicitly.
5093 (mostlyclean): Clean libgcc.
5095 2000-09-04 Andrew Haley <aph@redhat.com>
5097 * dwarf2out.c: (stack_adjust_offset): New prototype.
5099 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5101 * combine.c (make_extraction): Fix rtx_cost comparison to
5104 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5106 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5107 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5108 Add '*' to insn pattern name.
5110 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5112 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5113 use posn - 1 to index into tokens array.
5114 (maybe_paste_with_next): Adjust caller.
5116 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5118 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5120 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5121 (REGNO_REG_CLASS): Use symbolic register
5124 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5126 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5127 recognized, don't try to conditionally execute it.
5129 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5131 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5132 (call_value_insn): Right length claculation.
5133 (call_insn): Likewise.
5135 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5137 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5138 gas_output_limited_string, gas_output_ascii, output_movqi,
5139 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5140 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5141 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5142 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5143 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5144 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5145 Add "const" as needed to remove warnings.
5147 * config/avr/avr.c (avr_override_options, avr_init_once,
5148 function_prologue, function_epilogue, frame_pointer_required_p,
5149 class_likely_spilled_p, order_regs_for_local_alloc,
5150 avr_address_cost, avr_ret_register): Use K&R style arguments.
5151 (initial_elimination_offset, gas_output_limited_string):
5152 Remove ATTRIBUTE_UNUSED from the used arguments.
5153 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5154 Use local variables src, dest, base to access operands[].
5155 Rename reg_dest to reg_src if that's what it is.
5156 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5157 constants to LD_REGS if reg_was_0.
5158 (output_reload_insisf): Change arg 3 to insn length and set it.
5159 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5160 access to 16-bit I/O register pairs.
5161 (avr_address_cost): Lower cost for the above case.
5162 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5163 may be clobbered, also for LD_REGS.
5164 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5167 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5169 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5170 macro to test_hard_reg_class function.
5171 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5172 for loading immediate constants to LD_REGS.
5173 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5176 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5178 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5179 * config/avr/libgcc.S: Lost part of the previous patch.
5181 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5183 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5184 object before calling pthread_mutex_init.
5186 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5188 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5189 config/sh/crtn.asm: New files.
5190 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5191 (crt1.o, crti.o, crtn.o): New targets.
5192 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5194 * configure: Rebuilt.
5195 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5196 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5197 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5198 Undefine for config/elfos.h to redefine.
5199 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5201 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5203 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5204 legitimize_pic_address, output_pic_addr_const): Declare.
5205 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5206 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5207 (TARGET_SWITCHES): New switch -mprefergot.
5208 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5209 (PIC_OFFSET_TABLE_REGNUM): Define.
5210 (GOT_SYMBOL_TABLE): Likewise.
5211 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5212 (ENCODE_SECTION_INFO): Define.
5213 (FINALIZE_PIC): New macros.
5214 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5215 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5216 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5217 (prepare_move_operands): Call emit_pic_move or
5218 emit_pic_const_move if appropriate.
5219 (output_far_jump): For PIC, use braf and output long offset.
5220 (machine_dependent_reorg):
5221 (sh_expand_prologue): Save and initialize the PIC register.
5222 (sh_expand_epilogue): Restore it.
5223 (initial_elimination_offset): Account for it.
5224 (nonpic_symbol_mentioned_p): New function.
5225 (legitimize_pic_address): Likewise.
5226 (output_pic_addr_const): Likewise.
5227 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5228 (call, call_value): Use them.
5229 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5230 symPLT_label2reg): New expands.
5231 * invoke.texi (SH Options): Document -mprefergot.
5233 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5235 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5236 * gcse.c (hash_string_1): New function.
5237 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5238 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5239 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5240 (canon_hash_string): New function.
5241 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5242 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5243 (fold_rtx): Use ASM_OPERANDS accessor macros.
5244 * emit-rtl.c (copy_insn_1): Likewise.
5245 * integrate.c (copy_rtx_and_substitute): Likewise.
5246 * stmt.c (expand_asm_operands): Likewise. Give an
5247 ASM_OPERANDS rtx the mode of the output reg being set from it.
5249 2000-09-01 Fred Fish <fnf@be.com>
5251 * fix-header.c (write_rbrac): Add putc and getc to list of
5252 functions to protect against prior definition as a macro.
5254 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5256 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5257 (c_size_type_node): Define.
5258 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5259 * c-common.c (enum format_lengths, enum format_std_version,
5260 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5261 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5262 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5263 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5264 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5265 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5266 format_types): Define.
5267 (format_char_info, print_char_table, scan_char_table,
5268 time_char_table): Rearrange for new organization of information
5269 about format length modifiers and standard versions.
5270 (T_ST): Redefine to use c_size_type_node.
5271 (check_format_info): Obtain information about length modifiers and
5272 standard versions from tables. Adjust warning message wordings.
5273 Use the name from the user's program for `ll' and `hh' length
5274 modifiers in warning messages. Use more informative names for
5275 wanted types where available (for wchar_t, wint_t, size_t, signed
5276 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5278 2000-09-01 Jim Wilson <wilson@cygnus.com>
5280 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5281 * combine.c (distribute_notes): Handle REG_NORETURN.
5282 * rtl.c (reg_note_name): Add REG_NORETURN.
5283 * rtl.h (enum reg_note): Likewise.
5285 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5287 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5288 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5289 (emit_predicate_relation_info): Handle conditional calls with
5291 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5292 instead of ia64_file_start.
5293 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5294 * config/ia64/ia64.md (safe_across_calls_all,
5295 save_across_calls_normal): New patterns.
5297 * loop.c (check_final_value): Check for biv use before checking for
5298 giv use. Check for both biv and giv uses. Always set last_giv_use
5299 if there is a giv use.
5301 2000-09-01 Richard Henderson <rth@cygnus.com>
5303 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5304 (madddi3): Likewise.
5307 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5309 * expr.c (clear_storage): Don't use emit_move_insn unless
5310 either BLKmode or proper size.
5311 (store_constructor): Don't call clear_storage if REG of wrong size.
5313 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5314 of function if returns wiht stack pointer depressed.
5316 2000-09-01 Andrew Haley <aph@redhat.com>
5318 * dwarf2out.c (stack_adjust_offset): New function.
5319 (dwarf2out_stack_adjust): Break out stack adjust logic into
5320 new stack_adjust_offset function. Look inside parallels and
5321 sequences for stack adjustments.
5323 2000-08-31 Jeff Law <law@cygnus.com>
5325 * arm.md: Use no_new_pseudos to determine when it is safe
5326 to create new pseudo registers.
5328 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5329 when we can safely allocate new registers.
5331 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5333 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5334 so that CONCATs are not generated for ASMs.
5335 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5336 not generating_concat_p.
5337 * function.c (pop_function_context_from): Reset
5338 generating_concat_p.
5339 (prepare_function_start): Likewise.
5340 * rtl.c (generating_concat_p): Define.
5341 * rtl.h (generating_concat_p): Declare.
5342 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5344 2000-08-22 Philipp Thomas <pthomas@suse.de>
5345 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5347 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5350 2000-08-30 Greg McGary <greg@mcgary.org>
5352 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5353 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5354 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5356 2000-08-30 Greg McGary <greg@mcgary.org>
5358 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5359 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5360 (TREE_INT_CST): New macro.
5361 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5362 Use new macro TREE_INT_CST.
5364 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5366 * contrib.texi: Add self.
5368 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5370 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5371 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5374 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5376 * fixinc/gnu-regex.c: Don't define `const'.
5378 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5380 * expr.c (store_constructor): Allow variable bounds of array type.
5381 (expand_expr): Don't blow up if type is ERROR_MARK.
5382 * varasm.c (output_constructor): Don't access lower bound of array
5383 type unless need it if index is supplied (so it can be a variable
5384 if no index is supplied).
5385 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5386 Other minor cleanups.
5388 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5390 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5391 for compilations in stage 1 and subsequent stages, respectively.
5392 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5393 * configure: Rebuilt.
5394 * x-vax, x-vax-gcc: Deleted.
5396 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5398 * c-common.c (declare_function_name): Use func_id_node,
5399 function_id_node, and pretty_function_id_node. Do not make
5400 __func__ visible at file scope.
5401 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5402 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5403 (function_id_node, pretty_function_id_node, func_id_node): New
5405 * c-decl.c (init_decl_processing): Initialize function_id_node,
5406 pretty_function_id_node, and func_id_node.
5407 (c_make_fname_decl): Correct comment.
5409 * tree.h (struct tree_identifier): Constify pointer member.
5411 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5412 * c-pragma.h (struct weak_syms): Constify name and value members.
5413 (add_weak): Constify arguments.
5415 * calls.c (special_function_p): Constify a char *.
5416 (expand_call): Remove variable which is initialized and then
5418 * dependence.c (struct def_use, struct induction, struct subscript):
5419 Constify 'variable' member.
5420 (get_low_bound, have_induction_variable): Constify char * argument.
5421 (find_induction_variable): Add braces to avoid dangling else.
5422 (classify_dependence): Constify char * arrays.
5423 * profile.c (output_func_start_profiler): Constify a char *.
5424 * stor-layout.c (finalize_record_size): Constify a char *.
5425 * tree.c (is_attribute_p): Constify a char *.
5426 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5428 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5429 for comprehensibility. Do not call get_identifier if we did
5430 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5431 create temporary string constants, not ggc_alloc_string. No
5432 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5433 char * to hold IDENTIFIER_POINTERs.
5435 2000-08-29 Richard Henderson <rth@cygnus.com>
5437 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5440 2000-08-29 Richard Henderson <rth@cygnus.com>
5442 * reload.c (push_secondary_reload): Allow class == reload_class
5443 if we're using a reload_in/out pattern.
5445 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5446 the half that does not conflict with the reload register.
5447 (reload_outti): Likewise.
5449 2000-08-29 Kazu Hirata <kazu@hxi.com>
5451 * reload.c: Fix formatting.
5453 * stmt.c: Fix formatting.
5455 * gcc.c: Fix formatting.
5457 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5459 * flags.h (time_report, mem_report): New global flags.
5460 * toplev.c: Define time_report and mem_report.
5461 (f_options): Add -ftime-report and -fmem-report.
5462 (compile_file): Turn on time_report if quiet_flag is off.
5463 Call ggc_print_statistics at very end if mem_report is on.
5464 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5466 * ggc-common.c (ggc_print_statistics): Rename to
5467 ggc_print_common_statistics; all callers changed. Scale
5468 quantities above 10K to kilobytes and above 10M to megabytes.
5469 * ggc-page.c (ggc_page_print_statistics): Rename to
5470 ggc_print_statistics. Report memory consumed by internal data
5471 structures for each allocation bucket. Scale quantities above
5472 10K to kilobytes and above 10M to megabytes.
5473 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5474 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5475 Define tally_leaves always.
5476 (ggc_print_statistics): New function.
5477 * ggc.h: Adjust for renamed functions.
5479 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5481 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5482 output_movsisf instead of which_alternative.
5484 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5486 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5488 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5489 (avr_progmem_p): New prototype.
5490 (output_movsisf): Prototype declaration changed.
5491 (output_movqi): New prototype.
5492 (output_movhi): New prototype.
5493 (call_insn_operand): Likewise.
5494 (final_prescan_insn): Likewise.
5495 (avr_simplify_comparision_p): Likewise.
5496 (avr_normalize_condition): Likewise.
5497 (compare_eq_p): Likewise.
5498 (out_shift_with_cnt): Likewise.
5499 (const_int_pow2_p): Likewise.
5500 (output_reload_inhi): Prototype declaration changed.
5502 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5503 (ldi_reg_rtx): New. rtx for r31.
5504 (avr_init_stack): Initialize as "__stack".
5505 (function_prologue): Use it.
5506 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5507 (avr_mcu_name): Initialize as "avr2".
5508 (avr_enhanced_p, avr_mega_p): New variables.
5509 (mcu_types, avr_override_options): Handle all known MCU types.
5510 Also handle avr1 (only preprocess, assemble and link).
5511 (print_operand): Using of `%K' in output template removed.
5512 (out_movqi_r_mr): Optimized.
5513 (out_movhi_r_mr): Likewise.
5514 (output_movqi): New function.
5515 (output_movhi): Likewise.
5516 (out_movsi_r_mr): Optimized.
5517 (output_movsisf): Compute insn length for `adjust_insn_length'
5518 (out_movqi_mr_r): Optimized.
5519 (out_movhi_mr_r): Optimized.
5520 (adjust_insn_length): Use output_movsisf, output_movqi,
5521 output_movhi for insn length adjusting.
5522 (reg_unused_after): Use dead_or_set_p.
5523 (preferred_reload_class): Now havn't any restriction.
5524 (reg_was_0): New function.
5525 (io_address_p): Likewise.
5526 (const_int_pow2_p): Likewise.
5527 (output_reload_inhi): Likewise.
5528 (output_reload_insisf): Likewise.
5530 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5531 (LIB_SPEC): Use -lc for all supported devices.
5532 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5533 (AVR_MEGA): Define as avr_mega_p.
5534 (AVR_ENHANCED): New, define as avr_enhanced_p.
5535 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5536 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5537 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5538 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5539 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5540 (ASM_SPEC): Pass -mmcu=... to the assembler.
5541 Change all -DAVR_* to -D__AVR_*__.
5542 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5543 Rename library functions to start with two underscores.
5544 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5546 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5547 (SUPPORTS_WEAK): Likewise.
5548 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5549 register for loading constants to r0-r14.
5551 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5553 (*mov_r_sp): Removed. Handled by output_movhi.
5554 (*mov_sp_r): Likewise.
5555 (*mov_sp_r_no_interrupts): Likewise
5556 (*mov_sp_r_tiny): Likewise.
5557 (*movqi): Use output_movqi.
5558 (*reload_inqi): New.
5559 (*movhi): Use output_movhi.
5560 (*reload_inhi): New.
5561 (*negsi2): Optimized.
5562 (*negsf2): Likewise.
5563 Added peepholes (define_peephole2) for loading constants to r0-r14
5564 and for using `cpse' command.
5566 * config/avr/libgcc.S: Rename library functions to start with two
5568 Add support for enhanced core.
5569 (_moqhi3): Fix typo, now _modqi3.
5570 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5571 (__prologue_saves__): Remove test for stack adjust by 0.
5572 (__tablejump__): New.
5574 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5575 Add multilib support.
5577 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5579 * loop.c (prescan_loop): Don't check unknown_address_altered
5580 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5581 to loop_store_mems as necessary.
5582 (loop_invariant_p): Don't check unknown_address_altered
5583 or unknown_constant_address_altered.
5585 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5587 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5589 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5591 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5592 print just the filename.
5593 * cpplex.c (_cpp_run_directive): Add additional argument, the
5594 name to give the synthetic buffer. This defaults to
5595 translated "<command line>".
5596 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5598 (_cpp_define_builtin): New function.
5599 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5600 * cpphash.h: Update prototypes.
5602 * tradcpp.c (main): Process -D and -U simultaneously, in the
5603 order they appeared on the command line.
5605 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5607 * c-decl.c (define_label): Call warning_with_file_and_line and
5608 error_with_file_and_line instead of plain warning or error.
5610 * c-parse.in (label): Use save_filename/save_lineno to ensure
5611 correct values for calls to define_label.
5613 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5615 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5617 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5619 * tree.h (get_file_function_name): Remove two duplicate
5622 2000-08-28 Kazu Hirata <kazu@hxi.com>
5624 * tree.c: Fix formatting.
5626 * xcoffout.c: Fix formatting.
5628 2000-08-28 Jason Merrill <jason@redhat.com>
5630 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5632 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5634 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5635 break_out_includes if it won't do anything.
5637 2000-08-28 Richard Henderson <rth@cygnus.com>
5639 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5640 (find_reloads): Likewise.
5641 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5642 (reload_inhi): Likewise.
5644 2000-08-28 Richard Henderson <rth@cygnus.com>
5646 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5647 (call_insn_operand): Don't expect a surrounding mem.
5648 (constant_call_address_operand): Likewise.
5649 * config/i386/i386.h (PREDICATE_CODES): Update.
5650 * config/i386/i386.md (call patterns): Move the match_operand
5651 for the call destination inside the mem.
5653 2000-08-28 Richard Henderson <rth@cygnus.com>
5655 * local-alloc.c (requires_inout): Don't use reserved range for
5656 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5657 * recog.c (asm_operand_ok): Likewise.
5658 (preprocess_constraints, constrain_operands): Likewise.
5659 * regclass.c (record_reg_classes): Likewise.
5660 * reload.c (find_reloads): Likewise.
5661 * reload1.c (maybe_fix_stack_asms): Likewise.
5662 (reload_cse_simplify_operands): Likewise.
5663 * stmt.c (expand_asm_operands): Likewise.
5665 * md.texi: Update constraints documentation.
5666 * tm.texi (EXTRA_CONSTRAINT): Update.
5668 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5670 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5671 (print_die): If we don't know the offset of the
5672 target die, try the symbol. Add a trailing newline.
5673 (reverse_all_dies): New fn.
5674 (dwarf2out_finish): Call it.
5675 (break_out_includes): Reorganize for clarity.
5676 (add_sibling_attributes): Don't call reverse_die_lists.
5677 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5679 * flags.h: Add flag_eliminate_dwarf2_dups.
5680 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5682 2000-08-28 Jason Merrill <jason@redhat.com>
5684 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5685 * dwarf2out.c: #include "md5.h".
5686 (DIE_LABEL_PREFIX): New macro.
5687 (dw_val_struct): Add 'external' flag to val_die_ref.
5688 (add_AT_die_ref, AT_ref): Adjust.
5689 (AT_ref_external, set_AT_ref_external): New fns.
5690 (build_abbrev_table): Call set_AT_ref_external.
5691 (value_format): Call AT_ref_external.
5692 (die_struct): Add die_symbol field.
5693 (new_die): Clear it.
5694 (dwarf_tag_name): Handle BINCL/EINCL.
5695 (dwarf2out_start_source_file): Add BINCL DIE.
5696 (dwarf2out_end_source_file): Add EINCL DIE.
5697 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5698 (loc_checksum, attr_checksum, die_checksum): New fns.
5699 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5700 (compute_section_prefix, assign_symbol_names): New fns.
5701 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5702 (output_die): Call output_die_symbol and AT_ref_external.
5703 (output_comdat_comp_unit): New fn, split out from...
5704 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5706 (output_pubnames, output_aranges): Abort if we see entries from
5708 * toplev.h: Declare file_name_nondirectory.
5709 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5710 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5711 (debug_start_source_file): Call dwarf2out_start_source_file
5712 regardless of debug verbosity.
5713 (debug_end_source_file): Similarly.
5714 * tree.h: Declare clean_symbol_name.
5715 * tree.c (clean_symbol_name): Split out from...
5716 (get_file_function_name_long): ...here.
5718 * dwarf2out.c (new_loc_descr): Use calloc.
5719 (splice_child_die): Remove the die from the right parent.
5720 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5722 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5724 * toplev.c (decode_g_option): Don't give warning for unknown -g
5725 option; return 0 instead.
5726 (main): If -g option is not recognized by front end or
5727 language-independent code, give warning.
5729 2000-08-28 Greg McGary <greg@mcgary.org>
5731 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5732 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5733 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5735 2000-08-27 Greg McGary <greg@mcgary.org>
5737 * cpplex.c (parse_string): Don't look for backslash
5738 before first char in `namebuf'.
5739 * loop.c (strength_reduce): Skip NOTEs.
5741 2000-08-27 Jason Merrill <jason@redhat.com>
5743 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5744 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5745 TREE_ASM_WRITTEN, either.
5746 (finish_decl): Adjust.
5748 2000-08-28 Philipp Thomas <pthomas@suse.de>
5750 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5751 they have been incorporated into the gettext CVS. Change the text to
5752 reflect the current status of NLS. Add instructions for accessing
5753 the gettext CVS and add the patch from Martin v. Loewis.
5755 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5757 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5758 by using gen_lowpart_common.
5759 (movdi_internal64+6): Likewise.
5761 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5763 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5766 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5767 numbers to the ranges used by GDB.
5769 2000-08-25 Richard Henderson <rth@cygnus.com>
5771 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5772 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5773 (ia64_expand_prologue): Likewise.
5774 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5775 argument for stdargs.
5777 2000-08-25 Jason Merrill <jason@redhat.com>
5779 * integrate.c (expand_inline_function): Pull out the original decl.
5781 2000-08-25 Jim Wilson <wilson@cygnus.com>
5783 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5785 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5787 2000-08-25 Greg McGary <greg@mcgary.org>
5789 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5790 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5792 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5794 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5796 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5798 * i386.c (ix86_find_base_term): New.
5799 * i386-protos.h (ix86_find_base_term): Prototype.
5800 * i386.h (FIND_BASE_TERM): Define.
5801 * alias.c (find_base_term): Use it.
5802 * tm.texi (FIND_BASE_TERM): Document it.
5804 * alias.c (true_dependence, write_dependence_p): Unchanging
5805 memory can't conflict with non-unchanging memory.
5807 * alias.c (memrefs_conflict_p): A BLKmode reference
5808 to a symbol (or CONST_INT address) always conflicts
5809 with a reference to another symbol.
5811 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5813 * c-common.c (time_char_table): Don't allow width and flags with
5816 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5818 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5819 way as LT and LTU when the second operand has 0 in low word.
5821 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5823 * basic-block.h (struct loop): Rename `exits' field to
5824 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5826 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5827 (flow_loop_entry_edges_find): Add.
5828 (flow_edge_list_print): Rename from flow_exits_print.
5829 (flow_loops_find): Call flow_loop_entry_edges_find.
5830 (flow_loop_dump): Dump entry_edges list.
5831 (flow_loops_free): Free entry_edges.
5833 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5835 * loop.c (loop_dump_aux, debug_loop): New functions.
5836 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5838 * flow.c (flow_loops_dump): Add callback parameter.
5839 (flow_loop_dump): Add callback parameter and call it. Move
5840 loop note debugging code to loop_dump_aux.
5842 * basic-block.h (flow_loop_dump): Add callback parameter
5843 (flow_loops_dump): Likewise.
5845 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5846 to call to flow_loops_dump.
5848 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5850 * loop.c (count_loop_regs_set): Replace start and end arguments
5851 with loop argument. All callers udated.
5853 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5855 * loop.c (constant_high_bytes): Delete.
5857 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5859 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5860 and NOTE_INSN_LOOP_VTOP to...
5861 (find_and_verify_loops) ...here.
5863 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5865 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5866 (fini_dummy, init_dummy): Use it.
5868 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5870 * cpplex.c (is_macro_disabled): Caller has already checked
5871 that we're not a preprocessed file.
5873 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5875 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5876 (c-iterate.o): Remove target.
5877 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5878 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5879 (finish_decl): Don't handle iterators.
5880 (grokdeclarator): Likewise.
5881 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5882 * gcc/c-gperf.h: Regenerated.
5883 * gcc/c-iterate.c: Removed.
5884 * gcc/c-lex.c (init_lex): Don't handle iterators.
5885 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5886 (compstmt_primary_start): Remove push_iterator_stack call.
5887 (stmt): Don't allow iterator statements. Replace iterator_expand
5888 with expand_expr_stmt.
5889 (all_iter_stmt): Remove.
5890 (all_iter_stmt_simple): Likewise.
5891 (all_iter_stmt_with_decl): Likewise.
5892 * gcc/c-tree.h (ITERATOR_P): Remove.
5893 (ITERATOR_BOUND_P): Likewise.
5894 (init_iterators): Remove declaration.
5895 (iterator_expand): Likewise.
5896 (iterator_for_loop_start): Likewise.
5897 (iterator_for_loop_end): Likewise.
5898 (iterator_for_loop_record): Likewise.
5899 (push_iterator_stack): Likewise.
5900 (pop_iterator_stack): Likewise.
5901 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5902 (readonly_warning): Likewise.
5903 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5905 2000-08-24 Jim Wilson <wilson@cygnus.com>
5907 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5908 Copy type in a TYPE_DECL, just like pushdecl does.
5910 2000-08-24 Richard Henderson <rth@cygnus.com>
5912 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5914 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5916 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5917 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5918 the extras on the free list.
5919 (release_pages): Clean up.
5920 (ggc_set_mark): Don't adjust G.allocated here...
5921 (sweep_pages): ... do it here.
5923 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5925 * cppfiles.c (read_include_file): Rearrange initializations.
5927 2000-08-24 Richard Henderson <rth@cygnus.com>
5929 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5931 * config/ia64/ia64-protos.h: Update.
5932 * config/ia64/ia64.c (gr_register_operand): New.
5933 (fr_register_operand, grfr_register_operand): New.
5934 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5935 (grfr_reg_or_8bit_operand): New.
5936 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5937 use gr_register_operand.
5938 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5939 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5940 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5941 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5942 (fr_reg_or_fp01_operand): Likewise.
5943 (not_postinc_memory_operand): New.
5944 (ia64_split_timode): Remove unused variables.
5945 (rtx_needs_barrier): Check arguments to cmpxchg.
5946 (builtin_description): Remove.
5947 (bdesc_2argsi, bdesc_2argdi): Remove.
5948 (ia64_init_builtins): Declare all builtins directly.
5949 (ia64_expand_fetch_and_op): Rewrite to be called from
5950 ia64_expand_builtin directly. Use expand_binop and co.
5951 (ia64_expand_op_and_fetch): Likewise.
5952 (ia64_expand_compare_and_swap): Likewise.
5953 (ia64_expand_binop_builtin): Remove.
5954 (ia64_expand_lock_test_and_set): New.
5955 (ia64_expand_lock_release): New.
5956 (ia64_expand_builtin): Use them.
5957 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5958 (EXTRA_CONSTRAINT): Use it.
5959 (PREDICATE_CODES): Update.
5960 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5961 (mf): Indicate that we set memory as well as use it.
5962 (fetchadd_acq_si): Show memory being modified as well.
5963 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5964 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5965 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5966 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5967 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5968 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5969 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5970 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5971 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5972 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5973 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5974 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5975 return type. Pretty print definitions.
5977 2000-08-24 Jim Wilson <wilson@cygnus.com>
5979 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5980 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5982 2000-08-24 Jason Merrill <jason@redhat.com>
5984 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5985 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5986 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5987 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5989 2000-08-24 Greg McGary <greg@mcgary.org>
5991 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5992 and extendtab within their proper array boundaries.
5993 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5994 for the entire array.
5996 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5997 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5998 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5999 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6000 * config/i386/dgux.c (output_options): Likewise.
6001 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6002 * config/m88k/m88k.c (output_options): Likewise.
6003 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6004 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6005 layout_mcore_frame, handle_structs_in_regs): Likewise.
6006 * config/mips/mips.c (output_block_move): Likewise.
6007 * config/rs6000/rs6000.c (rs6000_override_options,
6008 rs6000_file_start): Likewise.
6009 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6010 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6011 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6012 * builtins.c (expand_builtin_setjmp): Likewise.
6013 * expr.c (safe_from_p): Likewise.
6014 * flow.c (life_analysis): Likewise.
6015 * fold-const.c (size_int_type_wide): Likewise.
6016 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6017 * genattrtab.c (make_length_attrs): Likewise.
6018 * genopinit.c (gen_insn): Likewise.
6019 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6020 * global.c (global_alloc): Likewise.
6021 * local-alloc.c (find_free_reg): Likewise.
6022 * mips-tdump.c (print_symbol): Likewise.
6023 * mips-tfile.c (parse_def, parse_input): Likewise.
6024 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6025 * stmt.c (expand_nl_goto_receiver): Likewise.
6026 * stor-layout.c (set_sizetype): Likewise.
6027 * varasm.c (decode_reg_name): Likewise.
6028 * toplev.c (decode_f_option, decode_W_option,
6029 set_target_switch, print_switch_values): Likewise.
6030 (NUM_ELEM): Remove macro.
6031 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6033 2000-08-24 Greg McGary <greg@mcgary.org>
6035 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6036 (MAIN_NAME_P, main_identifier_node): New macros.
6037 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6038 * c-decl.c (start_decl, grokdeclarator, start_function,
6039 store_parm_decls, finish_function): Use MAIN_NAME_P.
6040 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6041 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6042 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6043 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6045 2000-08-24 Greg McGary <greg@mcgary.org>
6047 * cppfiles.c (actual_directory): Don't write beyond `dir'
6048 when it contains "".
6049 * real.c (asctoeg): Stay within bounds of etens[][].
6051 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6053 * dependence.c (dependence_string, direction_string,
6054 dump_one_node, dump_node_dependence): Hide unused identifiers.
6055 (get_low_bound, normalize_coefficients): Match definition to
6057 (get_one_coefficient): Initialize variables `value0_is_idx' and
6059 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6060 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6061 (direction_merge): Avoid automatic aggregate initialization.
6062 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6063 Initialize variables `dest_idx' and `src_idx'.
6064 (end_dependence_analysis): Avoid C89 style function definition.
6066 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6068 * c-common.c (time_char_table): Don't allow width with %F.
6069 (check_format_info): Don't allow "Z" length with scanf.
6071 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6073 * diagnostic.c (finish_diagnostic): Define.
6074 (output_do_printf): Use wrap_text instead of output_add_string.
6075 (default_print_error_function): Avoid embedded '\n'.
6077 * diagnostic.h (flush_diagnostic_buffer): Declare.
6079 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6081 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6083 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6085 * Makefile.in (GCC_PASSES): Add specs.
6087 2000-08-23 Jim Wilson <wilson@cygnus.com>
6089 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6090 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6091 EHANDLER nor UHANDLER bit is set.
6092 (__get_except_table): Likewise.
6094 2000-08-23 Nick Clifton <nickc@redhat.com>
6096 * config/arm/lib1funcs.asm: Replace upper case condition codes
6097 with lower case versions.
6099 * config/arm/arm.h (STRUCT_VALUE): Define.
6100 (STRUCT_VALUE_REGNUM): Delete.
6102 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6104 * cpphash.h (IN_I): New flag for directive table.
6105 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6107 (_cpp_check_directive): If -fpreprocessed, execute directives
6108 marked with IN_I. Issue no warnings in this case.
6109 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6111 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6113 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6115 (check_format_info): Support printf 'I' flag; warn about it with
6118 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6120 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6121 barrier can't be ignored by the alias analysis code.
6123 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6125 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6126 works inside fixincl.
6128 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6130 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6131 simplify_relational_operation() unless both operands are of
6133 * cse.c (fold_rtx): Likewise.
6135 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6137 * rtlanal.c (rtx_unstable_p): The pic register is stable
6138 (within one function) and the actual rtx should be used
6139 when checking the registers.
6140 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6142 * alias.c (true_dependence, write_dependence_p): Fix
6143 bug in previous patch.
6145 * i386.c (ix86_GOT_alias_set): New.
6146 (legitimize_pic_address): Use it.
6148 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6149 only stable if its address is stable.
6150 (rtx_varies_p): An unchanging MEM can't vary if
6151 its address doesn't vary.
6153 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6155 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6157 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6159 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6160 * x-vax-gcc: New file for bootstrapping with gcc.
6161 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6162 * configure.in: Use x-vax-gcc with gcc.
6163 * configure: Rebuilt.
6165 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6167 * toplev.c (rest_of_compilation): Rebuild label notes after
6168 post-reload splitting pass if new labels have been created.
6170 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6172 * diagnostic.h (output_buffer_state): New macro.
6173 * diagnostic.c (diagnostic_for_decl, sorry,
6174 default_print_error_function, output_do_verbatim,
6175 report_diagnostic, report_problematic_module): Use it.
6177 (output_format): Use wrap_text instead of maybe_wrap_text.
6179 2000-08-22 Nick Clifton <nickc@redhat.com>
6181 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6182 Common code for ARM divide and modulus functions.
6183 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6185 (FUNC_END): New macro: Common code at the end of the division and
6187 (THUMB_FUNCTION_START): New macro: Common code at the start of
6189 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6191 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6193 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6195 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6196 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6199 2000-08-22 Nick Clifton <nickc@redhat.com>
6201 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6202 restorative additions, test for bottom bits of IP being set,
6203 rather than relying upon the RORs not matching.
6206 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6208 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6209 text_section() as appropriate instead of emitting text csect
6211 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6212 (UNIQUE_SECTION): Define macro.
6213 (ASM_OUTPUT_SECTION_NAME): Define macro.
6214 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6215 on AIX if debugging and -fdata-sections always.
6217 2000-08-22 Steven King <sxking@uswest.net>
6219 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6221 (LDBL_MAX): Same here.
6223 2000-08-22 Richard Henderson <rth@cygnus.com>
6225 * flow.c (tidy_fallthru_edge): Update b->end properly.
6227 2000-08-22 Stan Cox <scox@redhat.com>
6229 * Makefile.in (OBJS): Add dependence.o.
6230 * dependence.c: New file.
6232 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6234 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6236 (check_sibcall_argument_overlap): Likewise.
6238 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6240 * invoke.texi (SH Options): Document -m4-nofpu,
6241 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6242 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6244 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6246 * c-common.c (check_format_info): Give the 'some locales' warning
6247 for strftime %Ey rather than the unconditional 'only last 2 digits
6250 2000-08-22 Richard Henderson <rth@cygnus.com>
6252 * alias.c (init_alias_analysis): Do not register
6253 struct_value_incoming_rtx or static_chain_rtx as pointing
6256 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6258 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6260 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6262 * diagnostic.h (report_problematic_module): Declare.
6263 * diagnostic.c (report_problematic_module): New function.
6264 (report_error_function): Tweak.
6266 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6268 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6269 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6271 2000-08-21 Richard Henderson <rth@cygnus.com>
6273 * flow.c (calculate_global_regs_live): Mark frame pointer live
6274 everywhere before reload.
6276 2000-08-21 Jim Wilson <wilson@cygnus.com>
6278 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6279 INTEL_EXTENDED_IEEE_FORMAT.
6280 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6281 clear last two bytes of output FP value.
6283 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6285 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6287 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6289 * unroll.c (loop_find_equiv_value): If ret is modified between
6290 insn and loop_start, ret might not be equivalent to reg.
6292 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6294 * c-common.c (init_dollar_format_checking,
6295 maybe_read_dollar_number, finish_dollar_format_checking): New
6297 (dollar_arguments_used, dollar_arguments_count,
6298 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6300 (check_format_info): Support $ formats for scanf and printf width
6301 and precision. Always increment format_chars to advance past the
6302 '*' of precision, not just when the format parameters are
6305 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6307 * mips.c (block_move_loop, expand_block_move,
6308 function_arg_partial_nregs, save_restore_insns, function_prologue,
6309 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6311 (function_arg_advance, function_arg): Match argument to format
6314 2000-08-21 Nix <nix@esperi.demon.co.uk>
6316 * gcc.c (do_spec_1): Implement %j spec flag.
6317 Remove dead comment.
6319 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6320 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6321 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6322 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6324 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6325 writable) instead of hardcoded value.
6327 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6329 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6332 * gcc.c (cc1_options): Do not process -o or run the assembler if
6334 * objc/lang-spec.h: Likewise.
6336 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6338 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6339 "external" fixes through `cat', to avoid truncating the input
6340 file by redirection.
6342 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6344 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6346 (lea_general_2, lea_general_3): Likewise.
6348 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6350 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6351 warnings to user code.
6353 * c-lex.c (readescape, yylex): Likewise.
6355 * c-typeck.c (store_init_value, process_init_element): Likewise
6356 (c_expand_start_case): Format.
6358 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6360 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6362 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6363 and linker_endian_spec to endian_spec.
6364 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6365 (LINK_SPEC): Remove %{EB} and %{EL}.
6366 (ASM_SPEC): Likewise. Use %(endian_spec).
6368 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6370 * c-tree.h (flag_hosted): Move declaration from here...
6371 * c-common.h (flag_hosted): ... to here.
6372 (flag_noniso_default_format_attributes): New declaration.
6373 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6374 (c_decode_option): Set it appropriately for options choosing
6375 language standard variant.
6376 * c-common.c (init_function_format_info): Only provide default
6377 format attributes if flag_hosted. Only provide the gettext
6378 formats if flag_noniso_default_format_attributes. Update
6380 (check_format_info): Disable treatment of %a as a scanf flag in
6383 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6385 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6387 (check_format_info): Set 'wide' for scanf format widths. Warn for
6388 a zero scanf width. Make the check for writing into a constant
6389 object at the first level of indirection; at later levels, warn if
6390 any type qualifiers are encountered.
6392 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6394 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6396 (push_reload): Use reload_inner_reg_of_subreg.
6397 (combine_reloads): Do not combine reloads if the input reload
6398 is a SUBREG in which the inner part will need reloading.
6400 * global.c (global_alloc): Avoid passing dumpfile argument to
6402 * toplev.c (rest_of_compilation): Likewise.
6403 * reload.h (reload): Remove dumpfile argument. Callers changed.
6404 (debug_reload, debug_reload_to_stream): Move prototypes here.
6405 * rtl.h (reload): Remove dumpfile argument.
6406 * reload.c (debug_reload): Remove prototype.
6407 (debug_reload_to_stream): Likewise.
6408 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6411 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6413 * diagnostic.c (context_as_prefix): Export.
6414 (need_error_newline): Remove.
6415 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6416 (error_module_changed, record_last_error_module,
6417 error_function_changed, record_last_error_function): New functions.
6418 (initialize_diagnostics): Default intialize
6419 lang_diagnostic_starter, lang_diagnostic_finalizer.
6420 (init_output_buffer): Tweak.
6421 (file_name_as_prefix): New function.
6422 (announce_function, default_print_error_function,
6423 report_error_function, set_diagnostic_context): Tweak.
6425 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6427 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6428 condition expression.
6430 2000-08-20 Richard Henderson <rth@cygnus.com>
6432 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6434 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6436 * cppinit.c (cpp_init): Set global flag when called.
6437 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6439 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6441 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6442 before `process_directive' so that newlines won't be missed
6444 (cpp_printf): Increment `print->lineno' when newline is emitted.
6446 * cppmain.c (cb_ident): Likewise.
6447 (cb_define): Likewise.
6448 (cb_undef): Likewise.
6449 (cb_include): Likewise.
6450 (cb_def_pragma): Likewise.
6451 (dump_macros_helper): Likewise.
6453 2000-08-20 Richard Henderson <rth@cygnus.com>
6455 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6456 assigned before a loop.
6458 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6459 (ashrsi3, lshrsi3): Likewise.
6461 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6463 * c-lang.c: #include diagnostic.h
6464 (c_tree_printer): New function.
6465 (lang_init): Initialize lang_printer.
6467 * Makefile.in (c-lang.o): Depends on diagnostic.h
6469 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6471 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6473 * diagnostic.c (default_diagnostic_starter,
6474 default_diagnostic_finalizer): New functions.
6475 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6476 (pedwarn, pedwarn_with_file_and_line, error,
6477 error_with_file_and_line, fatal, warning,
6478 warning_with_file_and_line): Adjust call to report_diagnostic.
6479 (report_diagnostic): Rework.
6480 (set_diagnostic_context): New function.
6482 * diagnostic.h (struct diagnostic_context): New data structure.
6483 (diagnostic_message, diagnostic_argument_list,
6484 diagnostic_file_location, diagnostic_line_location,
6485 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6486 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6487 (set_diagnostic_context): Declare.
6488 (report_diagnostic): Change prototype.
6490 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6492 * fix-header.c (main): Initialize cpplib.
6494 2000-08-19 Michael Meissner <meissner@redhat.com>
6496 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6497 instructions in it before checking for indirect jumps.
6499 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6500 in a indirect jump as a potential for conditional execution.
6502 * d30v.h (d30v_init_expanders): Don't declare here.
6503 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6506 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6508 * cpp.texi: Add @section for assertions.
6510 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6512 * loop.c (scan_loop): Use CONST_CALL_P instead of
6513 checking for REG_LIBCALL / REG_RETVAL.
6515 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6517 * reload1.c (reload_as_needed): Accept dumpfile argument,
6518 pass it to emit_reload_insns.
6519 (emit_reload_insns): Add new dumpfile argument. If non-null
6520 then dump the reloads for each insn into the dumpfile.
6521 (reload): Pass dumpfile to reload_as_needed.
6523 * invoke.texi: Clean up linux-gnu vs linux comments.
6525 2000-08-19 Richard Henderson <rth@cygnus.com>
6527 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6528 (ia64_depz_field_mask): New.
6529 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6530 (PREDICATE_CODES): Update.
6531 * config/ia64/ia64.md: Update commentary.
6532 (depz_internal): New.
6533 (ashlsi3): Implement directly.
6534 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6535 (ashldi3): Use shladd.
6536 * config/ia64/ia64-protos.h: Update.
6538 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6540 * toplev.c (independent_decode_option): Always process -g.
6541 Remove third argument, now unused. Adjust caller to match.
6543 2000-08-18 Richard Henderson <rth@cygnus.com>
6545 * combine.c (make_compound_operation): Break after creating
6548 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6550 * cpplib.c (cpp_register_pragma_space): Just return if the
6551 namespace is already registered.
6553 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6555 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6556 constant amount. Do not generate ROTL instruction.
6558 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6560 * config/sh/elf.h: Do not include sh/sh.h.
6561 * config/sh/rtems.h: Likewise.
6562 * config/sh/rtemself.h: Do not include sh/elf.h.
6563 * configure.in: Get them included with `tm_file's.
6564 * configure: Rebuilt.
6566 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6567 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6569 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6571 * stor-layout.c (compute_record_type): Don't use mode of single
6572 field as mode of record if not integer mode of same type.
6574 * regmove.c (perhaps_ends_bb_p): New function.
6575 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6576 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6577 (fixup_match_1): Likewise.
6578 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6579 avoid signed/unsigned warnings.
6581 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6584 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6586 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6587 (_cpp_trigraph_map): Declaration moved from cpplex.c
6589 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6590 instead of 256. Use consistent test for designated initializers.
6591 (cpp_init): Initialize trigraph_map.
6592 (initialize_standard_includes, parse_option): Use memcmp
6595 * cpplex.c (init_trigraph_map): Remove.
6596 (trigraph_ok, trigraph_replace, lex_line): Refer to
6599 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6600 (do_unassert): Remove unused "next" local.
6602 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6604 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6606 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6609 2000-08-17 Richard Henderson <rth@cygnus.com>
6611 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6612 the first insn in a sequence.
6614 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6616 * alias.c (true_dependence, write_dependence_p): A read
6617 involving a label_ref or the constant pool doesn't create
6620 * rtl.h (unchanging): Improve documentation.
6622 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6624 * cse.c (insert_regs): Remove unused `regno'.
6626 2000-08-17 Neil Booth <NeilB@earthling.net>
6628 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6629 remove_dup_dirs. If qtail == brack, remove brack not
6631 (remove_dup_dir, remove_dup_dirs): New functions.
6633 2000-08-17 Neil Booth <NeilB@earthling.net>
6635 * cppinit.c (cpp_cleanup): Free include dir chains.
6636 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6637 (do_unassert): Free the assert with _cpp_free_definition.
6638 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6639 assertions. Make the node a T_VOID node.
6641 2000-08-17 Neil Booth <NeilB@earthling.net>
6643 * cppinit.c (path_include, append_include_chain):
6644 Remove 2nd parameter (struct cpp_pending *).
6645 (path_include, initialize_standard_includes, cpp_handle_option):
6646 Update callers appropriately.
6647 (cpp_handle_option): Use pend.
6649 2000-08-17 Neil Booth <NeilB@earthling.net>
6651 * cppinit.c (sort_options): Remove, put functionality in
6654 (initialize_builtins): Free memory.
6655 (cpp_start_read): Move init_IStable to cpp_init.
6657 * cpplib.h (cpp_init): New prototype.
6658 * cppmain.c (main): Call cpp_init.
6660 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6662 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6663 (rtx_unstable_p, rtx_varies_p): Process vectors.
6665 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6667 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6668 references to GLOBAL symbols. Use LOCAL where appropriate.
6670 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6672 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6673 use t-aix41 when host == target.
6675 2000-08-16 Richard Henderson <rth@cygnus.com>
6677 * reload.c (push_secondary_reload): Revert last change.
6678 If we use a reload_in/out pattern, make the when the same
6679 as the primary reload.
6680 (find_reloads): Likewise.
6682 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6684 * configure.in (libstdcxx-v3): Fix test.
6685 * configure: Regenerate.
6687 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6689 * calls.c (calls_function_1, expand_call): Only test
6690 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6691 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6693 2000-08-16 Richard Henderson <rth@cygnus.com>
6695 * combine.c (simplify_shift_const): Revert previous two
6696 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6697 before the main loop.
6699 2000-08-15 Richard Henderson <rth@cygnus.com>
6701 * combine.c (simplify_shift_const): Bound shift count when
6704 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6706 * calls.c (ECF_SP_DEPRESSED): New macro.
6707 (calls_function_1): Treat calling sp-depressed function as alloca.
6708 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6709 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6710 If sp-depressed, ensure block saves and restores SP.
6711 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6713 * function.c (keep_stack_depressed): New function.
6714 (thread_prologue_and_epilogue_insns): Call it.
6715 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6716 to print DECL_OFFSET_ALIGN.
6717 Print no-force-blk and transparent-union flags properly.
6718 * stmt.c (expand_goto_internal): Don't restore stack if last block
6719 and function returns with sp depressed.
6720 (fixup_gotos): Likewise.
6721 (save_stack_pointer): New function, from code in expand_decl.
6722 (expand_decl): Call new function.
6723 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6724 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6725 (save_stack_pointer): New declaration.
6727 * diagnostic.c (fatal_function): New variable.
6728 (set_fatal_function): New function.
6730 * diagnostic.h (set_fatal_function): New declaration.
6732 2000-08-15 William Cohen <wcohen@redhat.com>
6734 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6735 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6736 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6738 2000-08-15 Richard Henderson <rth@cygnus.com>
6740 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6742 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6744 * arm.c (arm_function_ok_for_sibcall): New function.
6745 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6746 * arm.md (call expanders): Don't check here for calls that can't
6749 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6751 * arm.md (splits generating cond_exec): Disable.
6753 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6755 * arm/linux-elf.h (text_section): Delete declaration.
6757 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6759 ARM support for unordered FP operations.
6760 * arm-protos.h (arm_comparison_operator): Declare.
6761 * arm.c (arm_comparison_operator): New function.
6762 (arm_select_cc_mode): Add unordered comparison codes.
6763 (get_arm_condition_code): Likewise.
6764 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6765 be done in one insn.
6766 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6767 * arm.md (all uses of comparison_operator): Replace with
6768 arm_comparison_operator.
6769 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6771 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6774 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6776 * gthr-posix.h: Conditionally include <sched.h>; include
6777 <config.h> from libobjc/.
6779 2000-08-14 Richard Henderson <rth@cygnus.com>
6781 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6784 2000-08-14 Richard Henderson <rth@cygnus.com>
6786 * configure.in (ia64-*): Set float_format for i386 long double.
6788 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6789 as we would for i386 XFmode.
6790 (PUT_REAL): Likewise.
6791 (endian, ereal_atof, real_value_truncate): Likewise.
6792 (ereal_isneg, toe64, etens, make_nan): Likewise.
6793 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6795 * config/ia64/ia64-protos.h: Update.
6796 * config/ia64/ia64.c (general_tfmode_operand): New.
6797 (destination_tfmode_operand): New.
6798 (tfreg_or_fp01_operand): New.
6799 (ia64_split_timode): New.
6800 (spill_tfmode_operand): New.
6801 (ia64_expand_prologue): Use TFmode not XFmode.
6802 (ia64_expand_epilogue): Likewise.
6803 (ia64_function_arg): Likewise.
6804 (ia64_function_arg_advance): Likewise.
6805 (ia64_return_in_memory): Likewise.
6806 (ia64_function_value): Likewise.
6807 (ia64_print_operand): Likewise.
6808 (ia64_register_move_cost): Set GR<->FR to 5.
6809 (ia64_secondary_reload_class): Get GR for TImode memory op.
6810 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6811 (ROUND_TYPE_ALIGN): Remove.
6812 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6813 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6814 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6815 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6816 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6817 (CLASS_MAX_NREGS): Likewise.
6818 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6819 (PREDICATE_CODES): Update.
6820 * config/ia64/ia64.md (movti): New.
6821 (movti_internal): Use a clobber for memory alternatives.
6822 (reload_inti, reload_outti): New.
6823 (movsfcc_astep): Predicate properly.
6824 (movdfcc_astep): Likewise.
6827 (extendsftf2, extenddftf2): New.
6828 (trunctfsf2, trunctfdf2): New.
6829 (floatditf2, fix_trunctfdi2): New.
6830 (floatunsditf2, fixuns_trunctfdi2): New.
6831 (addtf3, subtf3, multf3, abstf2): New.
6832 (negtf2, nabstf2, mintf3, maxtf3): New.
6833 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6835 (fr_spill): Use TFmode, not XFmode.
6836 (fr_restore): Likewise.
6837 * config/ia64/lib1funcs.asm (__divtf3): New.
6838 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6840 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6842 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6844 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6845 `U' integer constant suffix.
6847 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6850 * sparc/sol2.h (__enable_execute_stack): Prototype.
6852 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6854 * collect2.c: Remove use of AIX import file.
6856 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6858 * rs6000.c (print_operand, case 'E'): Add else.
6860 2000-08-14 Richard Henderson <rth@cygnus.com>
6862 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6863 (movdi_symbolic): New.
6865 2000-08-14 Jim Wilson <wilson@cygnus.com>
6867 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6868 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6869 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6872 2000-08-14 Richard Henderson <rth@cygnus.com>
6874 * expr.c (emit_group_load): Don't force constants into registers.
6875 Special case source already in the correct mode.
6877 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6879 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6880 * fixinc/inclhack.def: Likewise.
6881 * fixinc/mkfixinc.sh: Likewise.
6882 * configure: Regenerate.
6883 * fixinc/fixincl.x: Regenerate.
6884 * install.texi: Document equivalence of linux and linux-gnu.
6886 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6888 * cse.c (insert_regs): Also in REG case: When finding an invalid
6889 value, and we make a new quantity, make sure that it won't be
6890 mistaken by for a valid one by mention_regs.
6892 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6894 * h8300.md: Remove obsolete peepholes.
6896 2000-08-13 Kazu Hirata <kazu@hxi.com>
6898 * invoke.texi (H8/300 Options): Fix typos.
6899 * config/h8300.c: Fix formatting.
6900 * config/h8300.h: Fix comment typos.
6901 (OVERRIDE_OPTIONS): Fix formatting.
6903 * function.c: Fix formatting.
6905 * cse.c: Fix formatting.
6907 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6909 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6910 (attempt_auto_inc): Suppress parentheses warning.
6911 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6912 * loop.c (load_mems): Remove `u' suffix in two places.
6913 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6915 * config/rs6000/rs6000.h: Likewise.
6916 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6917 __eabi dummy routine.
6918 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6921 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6922 not put stuff in .sdata unnecessarily.
6923 (rs6000_unique_section): New function.
6924 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6925 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6927 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6928 arrays in C99. Don't try to look at DECL_REGISTER of a
6929 COMPONENT_REF. Don't complain twice about the same error.
6931 * fixinc/inclhack.def (aix_pthread): New fix.
6932 (aix_sysmachine): New fix.
6933 * fixinc/fixincl.x: Regenerate.
6935 * expr.c (expand_expr): Call convert_modes when turning a large
6936 multiply into a small one.
6938 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6940 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6941 the tree structure an exponent rather than an explicit alignment
6942 so it doesn't overflow.
6943 (SET_DECL_OFFSET_ALIGN): New macro.
6944 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6945 rather than DECL_OFFSET_ALIGN.
6946 (place_field): Likewise.
6947 * expmed.c (store_bit_field): Abort on align==0 to avoid
6948 antisocial machine behaviour.
6950 2000-08-12 Richard Henderson <rth@cygnus.com>
6952 * sibcall.c (uses_addressof): Accept both addressof and
6953 current_function_internal_arg_pointer inside a mem.
6954 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6955 if current_function_uses_addressof.
6956 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6959 2000-08-11 Richard Henderson <rth@cygnus.com>
6961 * config/ia64/ia64.md (addsi3): Remove expander.
6962 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6963 (*addsi3_shladd): New.
6965 2000-08-11 Richard Henderson <rth@cygnus.com>
6967 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6968 (do_restore): Likewise.
6969 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6970 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6971 (rtx_needs_barrier): Track actual bit manipulation for
6972 ar.unat moves, gr_spill, and gr_restore.
6973 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6974 (process_set): Don't handle varargs spills.
6975 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6976 .mem.offset here instead of in process_set.
6977 (gr_restore): Likewise.
6979 2000-08-11 Richard Henderson <rth@cygnus.com>
6981 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6983 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6985 * gcc.texi (The Configuration File): Document
6986 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6987 UPDATE_PATH_HOST_CANONICALIZATION.
6989 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6991 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6992 unprototyped function pointer casts on integer constants.
6994 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6996 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6998 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7000 * extend.texi (Volatiles): Fix typos.
7002 2000-08-11 Kazu Hirata <kazu@hxi.com>
7004 * flow.c: Fix formatting.
7006 2000-08-11 Richard Henderson <rth@cygnus.com>
7008 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7009 pattern, always allocate a tertiary scratch register.
7011 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7012 (reload_inhi): Likewise.
7014 2000-08-11 Richard Henderson <rth@cygnus.com>
7016 * function.c (put_reg_into_stack): Allow type to be NULL.
7017 (schedule_fixup_var_refs): Likewise.
7018 (gen_mem_addressof): Allow decl to be NULL.
7019 (put_addressof_into_stack): Likewise.
7021 * flow.c (merge_blocks_nomove): Be more careful about
7022 locating the beginning of block A.
7024 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7026 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7031 * config.in: Reverted the check for <sched.h>.
7033 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7035 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7036 macros define the name of CTOR and DTOR sections.
7037 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7038 DTOR_LIST_END): Change to use attributes to specify
7040 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7041 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7042 DTOR_LIST_END): Same as in mips/elf.h.
7044 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7046 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7047 disabling just crt0.o.
7049 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7051 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7052 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7053 (EXTRA_SPECS): Add them.
7054 * arm/lib1funcs.asm: Support builds for interworking.
7055 Use macros to eliminate duplicated pieces of code.
7057 2000-08-10 Kazu Hirata <kazu@hxi.com>
7059 * h8300.c (expand_a_rotate): New.
7060 (emit_a_rotate): Likewise.
7061 (h8300_adjust_insn_length): Add support for the rotate insns.
7062 * h8300.md (rotlqi3): New.
7063 (*rotlqi3_1): Likewise.
7064 (rotlhi3): Likewise.
7065 (*rotlhi3_1): Likewise.
7066 (rotlhi3): Likewise.
7067 (*rotlhi3_1): Likewise.
7068 * h8300-proto.h: Add prototypes for expand_a_rotate and
7071 * h8300.c: Fix comment typos.
7072 (dosize): Declare the variable amount as unsigned.
7073 (get_shift_alg): Fix a comparison between signed and unsigned.
7074 (emit_a_shift): Likewise.
7075 (h8300_adjust_insn_length): Simplify the code.
7077 * c-decl.c: Fix formatting.
7079 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7081 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7082 warning about non-traditional numeric constant suffixes.
7084 * cppexp.c (parse_number): Likewise.
7086 * invoke.texi: (-Wtraditional): Document new behavior.
7088 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7090 * gthr-posix.h: Include auto-host.h. Conditionally include
7092 * configure.in: Check for the <sched.h> header file.
7093 * config.in: Added define for HAVE_SCHED_H.
7095 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7097 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7098 initialization of unions.
7100 * invoke.texi (-Wtraditional): Document new behavior.
7102 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7104 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7105 instead of extra_c_flags.
7106 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7107 * configure: Regenerate.
7108 * config.in: Regenerate.
7110 * cpperror.c (cpp_type2name): New function.
7111 * cpplex.c (lex_line): If we issued an error for an invalid
7112 preprocessing directive, discard that logical line.
7113 * cpplib.c (do_line): Call a hook function if the current file
7114 is renamed by #line.
7115 (do_ident): Pass the contents of the string, not the entire
7116 token, to the callback function.
7117 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7118 (cb.rename_file): New hook function.
7119 (cb.ident): Adjust prototype.
7120 (cpp_type2name): Prototype.
7121 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7123 * cppmain.c (cb_ident): Update for changed interface.
7124 (cb_rename_file): New function.
7125 (main): Set rename callback.
7127 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7129 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7130 multi-word registers.
7132 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7134 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7135 or ISO C89 instead of ANSI C.
7136 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7137 build_enumerator, do_case): Likewise.
7138 * c-lex.c (parse_float, yylex): Likewise.
7139 * c-parse.in: Likewise.
7140 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7141 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7142 build_c_cast, convert_for_assignment, set_init_index,
7143 set_init_label, c_expand_start_case): Likewise.
7144 * toplev.c (documented_lang_options, display_help): Likewise.
7146 2000-08-08 Kazu Hirata <kazu@hxi.com>
7148 * h8300.c: Fix formatting.
7149 * h8300.h: Likewise.
7150 * h8300.md: Likewise.
7151 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7153 * reload1.c: Fix formatting.
7155 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7157 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7158 Use GEN_CALL_VALUE define.
7159 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7160 * clipper/clipper.md (untyped_call): Likewise.
7161 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7162 * fx80/fx80.md (untyped_call): Likewise.
7163 * mips/mips.md (untyped_call): Likewise.
7164 * ns32k/ns32k.md (untyped_call): Likewise.
7165 * pa/pa.md (untyped_call): Likewise.
7166 * romp/romp.md (untyped_call): Likewise.
7167 * sparc/sparc.md (untyped_call): Likewise.
7169 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7171 * config/i860/i860.c (singlemove_string): Do not generate assembler
7172 pseudo instructions that must be expanded (that is, with signed
7173 constants larger than 16 bits).
7175 2000-08-08 Richard Henderson <rth@cygnus.com>
7177 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7178 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7179 (init_propagate_block_info): Don't kill memory stores at -O0.
7180 (mark_set_1, mark_used_regs): Likewise.
7182 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7184 * rs6000.c (optimization_options): Decorate 'level' as
7186 (mask64_operand): Remove sign-extend thinko.
7187 (rldic_operand): New function.
7188 (load_multiple_operation): regno's are unsigned ints.
7189 (store_multiple_operation): Likewise.
7190 (lmw_operation): Likewise.
7191 (stmw_operation): Likewise.
7192 (includes_lshift_p): shift_mask is unsigned int.
7193 (includes_lshift64_p): New function.
7194 (addrs_ok_for_quad_peep): unsigned int reg1.
7195 (print_operand): Consistently add "else" after
7196 output_operand_lossage().
7197 (print_operand, case 'b'): Fold in case 'W'.
7198 (print_operand, case 'W'): Print rldic MB value.
7199 (output_epilogue): Update Objective-C language string.
7200 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7201 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7202 * rs6000.md (ashldi3): Add rldic instruction.
7203 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7204 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7207 2000-08-08 Richard Henderson <rth@cygnus.com>
7209 * config/ia64/ia64-protos.h: Remove duplicates. Update
7210 for massive code rearrangements.
7211 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7212 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7213 (ia64_local_regs, ia64_need_regstk): Remove.
7214 (ar_ccv_reg_operand): New.
7215 (ia64_gp_save_reg): New.
7216 (struct ia64_frame_info): Combine most of the size elements;
7217 add new gr save elements.
7218 (find_gr_spill): New.
7219 (next_scratch_gr_reg): New.
7220 (mark_reg_gr_used_mask): New.
7221 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7222 to GR backing store regs when possible.
7223 (ia64_initial_elimination_offset): New.
7224 (ia64_rap_fp_offset): Remove.
7225 (save_restore_insns): Remove.
7226 (setup_spill_pointers): New.
7227 (finish_spill_pointers): New.
7228 (spill_restore_mem): New.
7229 (do_spill, do_restore): New.
7230 (ia64_expand_prologue): Rewrite to use them.
7231 (ia64_expand_epilogue): Likewise.
7232 (ia64_direct_return): Update for current_frame_info changes.
7233 (ia64_function_prologue): Simplify .prologue emission. Emit
7235 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7236 (ia64_dbx_register_number): New.
7237 (ia64_initialize_trampoline): New.
7238 (ia64_secondary_reload_class): Request GR_REGS for integer
7239 arithmetic destined for FR_REGS.
7240 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7241 (ia64_mark_machine_status): Mark ia64_gp_save.
7242 (rws_access_regno): Rename from rws_access_reg; don't treat
7243 predicates specially.
7244 (rws_access_reg): New. Update all callers.
7245 (rtx_needs_barrier): Remove dead unspecs.
7246 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7247 (ia64_encode_section_info): Silence signed/unsigned warnings.
7248 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7249 (tmp_reg, tmp_saved): Remove.
7250 (process_set): Rewrite to expect complicated bits via
7251 REG_FRAME_RELATED_EXPR.
7252 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7253 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7254 (ia64_expand_op_and_fetch): Likewise.
7255 (ia64_expand_compare_and_swap): Likewise.
7256 (ia64_expand_builtin): Likewise.
7257 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7258 (FIRST_PSEUDO_REGISTER): Update.
7259 (AR_M_REGNO_P): Update.
7260 (FIXED_REGS): Don't mark three local registers as used.
7261 (EXTRA_CC_MODES): New.
7262 (SELECT_CC_MODE): New.
7263 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7264 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7265 (FRAME_GROWS_DOWNWARD): Unset.
7266 (STARTING_FRAME_OFFSET): Zero.
7267 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7268 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7269 (HARD_FRAME_POINTER_REGNUM): New.
7270 (CAN_DEBUG_WITHOUT_FP): Define.
7271 (TRAMPOLINE_TEMPLATE): Remove.
7272 (TRAMPOLINE_SIZE): Lower to 32.
7273 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7274 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7275 (PREDICATE_CODES): Update.
7276 (struct machine_function): Add ia64_gp_save.
7277 * config/ia64/ia64.md: Purge unused unspecs.
7278 (movsi patterns): Allow moves to/from AR_M_REGS.
7279 (movdi patterns): Allow moves to/from p0.
7280 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7281 (gr_spill, gr_restore): Indicate ar.unat read/written.
7282 (nonlocal_goto): Don't pass old frame_pointer.
7283 (nonlocal_goto_receiver): Remove.
7284 (exception_receiver): New.
7285 (builtin_setjmp_setup): New.
7286 (builtin_setjmp_receiver): New.
7287 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7288 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7289 (__ia64_restore_stack_nonlocal): Likewise.
7290 (__ia64_trampoline): New.
7291 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7293 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7295 2000-08-08 Richard Henderson <rth@cygnus.com>
7297 * frame.h (ia64_frame_state): Add my_psp.
7298 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7299 (__throw): Pass it in. Don't clobber r7.
7300 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7301 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7302 and nothing to do with sp.
7303 (normalize_reg_loc): Use frame->my_psp.
7304 (frame_translate): Handle frame-pointer-less functions. Set
7305 spill_base correctly, in absence of being told.
7306 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7307 (__ia64_backtrace_helper): New sp argument. Use
7308 builtin_return_address instead of label addresses.
7309 (print_record) [mem_stack_v]: No size member.
7311 2000-08-08 Richard Henderson <rth@cygnus.com>
7313 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7315 2000-08-08 Richard Henderson <rth@cygnus.com>
7317 * tm.texi (LOCAL_REGNO): Document.
7318 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7319 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7320 * reload1.c (reload): Likewise when considering nonlocal labels.
7322 * config/ia64/ia64.h (LOCAL_REGNO): New.
7323 * config/sparc/sparc.h (LOCAL_REGNO): New.
7325 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7327 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7329 2000-08-07 Nick Clifton <nickc@redhat.com>
7331 * config/mips/mips.c: Fix compile time warning messages.
7332 * config/mips/mips-protos.h: Add prototype for equality_op.
7334 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7336 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7338 * mn10300.md: Use nonimmediate_operand instead of general_operand
7341 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7343 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7345 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7346 * sh.c (expand_block_move): Break long lines.
7347 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7348 * sh.md (mulsi3): Likewise.
7349 (movdi): Adjust spacing.
7351 2000-08-07 Richard Henderson <rth@cygnus.com>
7353 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7354 * expr.c (emit_group_store): Don't set it.
7356 2000-08-07 Kazu Hirata <kazu@hxi.com>
7358 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7359 duplicate entries for 'w' and 'z'.
7361 * flow.c: Fix a comment typo.
7363 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7365 * c-parse.in: Changed the language string for Objective-C to "GNU
7368 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7370 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7371 to improve the Posix thread support for Objective-C.
7373 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7375 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7376 CTI_UNSIGNED_PTRDIFF_TYPE.
7377 (signed_size_type_node): Define.
7378 (unsigned_ptrdiff_type_node): Define.
7379 * c-decl.c (init_decl_processing): Create the
7380 signed_size_type_node and unsigned_ptrdiff_type_node types.
7381 * c-common.c (T_SC): Define.
7384 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7385 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7387 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7388 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7389 flags for %c, %s and %[.
7390 (check_format_info): Only allow leniency for signedness of targets
7391 of character pointers (when pedantic) for formats flagged with
7392 "c", so for strings but not for %hh formats. When pedantic, don't
7393 allow character pointers to substitute for void pointers if a
7394 second level of indirection is present.
7396 2000-08-06 Kazu Hirata <kazu@hxi.com>
7398 * invoke.texi (Options for Debugging Your Program or GCC): Update
7399 the names of dump files.
7401 * h8300.c (dosize): Rearrange code for conciseness.
7402 (split_adds_subs): Likewise.
7404 * loop.c: Fix formatting.
7406 * dwarf2out.c: Fix formatting.
7408 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7410 * expr.c: Fix formatting.
7412 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7414 * rs6000.c (rs6000_maybe_dead): Prototype.
7416 2000-08-06 Richard Henderson <rth@cygnus.com>
7418 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7419 HAVE_nonlocal_goto as well.
7420 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7421 * config/pj/pj.md (nonlocal_goto): Likewise.
7423 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7425 * loop.c (try_swap_copy_prop): New function.
7426 (load_mems): Rename copies to load_copies and add new regset
7427 store_copies. Check for sets of shadow registers and mark
7428 in store_copies. Call try_swap_copy_prop for registers
7429 marked in store_copies.
7431 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7433 * objc/objc-act.c: New command line option -fconstant-string-class
7434 to allow specifying a user defined constant string class,
7435 different from NXConstantString.
7437 * toplev.c: Moved the Objective-C specific options to
7438 objc/lang-options.h.
7440 * objc/lang-options.h: Moved the Objective-C specific options from
7441 toplev.c. Added -fconstant-string-class.
7443 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7445 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7446 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7447 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7448 avoid extra alignment imposed on arrays.
7449 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7450 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7452 * mips.h: Clean up comments and spacing near MASKs.
7453 (TARGET_UNIX_ASM): Delete.
7454 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7455 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7458 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7460 * c-common.c (print_char_table): Add entries for the X/Open '
7461 format flag (print decimals with locale's thousands grouping
7462 character). Make %C expect wint_t.
7463 (check_format_info): If pedantic, warn when the %n$ operand
7464 number form is used. Allow for the ' flag; warn about it if
7467 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7469 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7470 type is a float mode, cfun->decl's return type is not, and
7471 TARGET_FLOAT_RETURNS_IN_80387.
7473 2000-08-04 Andreas Schwab <schwab@suse.de>
7475 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7476 token list, which are always `#' and `pragma'.
7478 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7480 * tree.c (tree_expr_nonnegative_p): Move to...
7481 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7482 (rtl_expr_nonnegative_p): New.
7483 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7485 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7486 CONST_DOUBLE_CHAIN: Move to...
7487 * rtl.h: ...here. Use XCINT/XCEXP.
7489 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7490 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7491 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7494 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7496 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7498 * config/c4x/c4x.md (return_indirect_internal): New.
7499 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7501 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7503 * c-common.c (time_char_table): Mark up formats added in C99 and
7504 make other corrections. %D and %g were added in C99. %Og is an
7505 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7506 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7507 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7508 %h was added in C99. %C was added in C99. %OY and %OC are
7509 extensions. Add the C99 format %F.
7510 (check_format_info): If pedantic and not in C99 mode, warn for C99
7513 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7515 * function.c (schedule_fixup_var_refs): New function, broken out
7516 of put_reg_into_stack.
7517 (put_reg_into_stack): Use it.
7518 (put_var_into_stack): In CONCAT case, fixup up references for
7519 components only after fixing up references to the whole concat.
7521 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7523 * alias.c (mark_constant_function): Use INSN_P.
7524 (init_alias_analysis): Likewise.
7525 * combine.c (combine_instructions): Use INSN_P.
7526 (can_combine_p): Likewise.
7527 (try_combine): Likewise.
7528 (distribute_notes): Likewise.
7529 (distribute_links): Likewise.
7530 * cse.c (cse_around_loop): Use INSN_P.
7531 (invalidate_skipped_block): Likewise.
7532 (cse_set_around_loop): Likewise.
7533 (cse_end_of_basic_block): Likewise.
7534 (delete_trivially_dead_insns): Likewise.
7535 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7536 (unshare_all_rtl_1): Likewise.
7537 (next_cc0_user): Likewise.
7538 (try_split make_insn_raw): Likewise.
7539 (remove_unnecessary_notes): Likewise.
7540 * final.c (shorten_branches): Use INSN_P.
7541 (leaf_renumber_regs): Likewise.
7542 (leaf_renumber_regs_insn): Likewise.
7543 * flow.c (find_label_refs): Use INSN_P.
7544 (verify_wide_reg): Likewise.
7545 (notice_stack_pointer_modification): Likewise.
7546 (count_or_remove_death_notes): Likewise.
7547 (verify_flow_info): Likewise.
7548 (clear_log_links): Likewise.
7549 * function.c (fixup_var_refs_insns): Use INSN_P.
7550 (compute_insns_for_mem): Likewise.
7551 * gcse.c (alloc_gcse_mem): Use INSN_P.
7552 (compute_sets): Likewise.
7553 (compute_hash_table): Likewise.
7554 (classic_gcse): Likewise.
7556 (insert_insn_end_bb): Likewise.
7557 (delete_null_pointer_checks_1): Likewise.
7558 * global.c (expand_preferences): Use INSN_P.
7559 (build_insn_chain): Likewise.
7560 * graph.c (node_data): Use INSN_P.
7561 * haifa-sched.c (priority): Use INSN_P.
7562 (rm_line_notes): Likewise.
7563 (rm_other_notes): Likewise.
7564 (find_insn_reg_weight): Likewise.
7565 (init_target_units): Likewise.
7566 (schedule_block): Likewise.
7567 (compute_block_forward_dependences): Likewise.
7568 (debug_dependencies): Likewise.
7569 (set_priorities): Likewise.
7570 * integrate.c (function_cannot_inline_p): Use INSN_P.
7571 (save_parm_insns): Likewise.
7572 (copy_insn_list): Likewise.
7573 * jump.c (mark_all_labels): Use INSN_P.
7574 (never_reached_warning): Likewise.
7575 * lcm.c (optimize_mode_switching): Use INSN_P.
7576 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7577 (memref_used_between_p): Likewise.
7578 (update_equiv_regs): Likewise.
7579 (block_alloc): Likewise.
7580 (no_conflict_p): Likewise.
7581 * loop.c (scan_loop): Use INSN_P.
7582 (find_and_verify_loops): Likewise.
7583 (count_loop_regs_set): Likewise.
7584 (loop_reg_used_before_p): Likewise.
7585 (strength_reduce): Likewise.
7586 (recombine_givs): Likewise.
7587 (check_dbra_loop): Likewise.
7588 (load_mems): Likewise.
7589 (try_copy_prop): Likewise.
7590 * print-rtl.c (print_rtx): Use INSN_P.
7591 * recog.c (find_single_use): Use INSN_P.
7592 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7593 (next_flags_user): Likewise.
7594 (swap_rtx_condition): Likewise.
7595 * regmove.c (mark_flags_life_zones): Use INSN_P.
7596 (optimize_reg_copy_1): Likewise.
7597 (optimize_reg_copy_2): Likewise.
7598 (optimize_reg_copy_3): Likewise.
7599 (reg_is_remote_constant_p): Likewise.
7600 (fixup_match_2): Likewise.
7601 (regmove_optimize): Likewise.
7602 (fixup_match_1): Likewise.
7603 * regrename.c (build_def_use): Use INSN_P.
7604 (replace_reg_in_block): Likewise.
7605 (consider_use): Likewise.
7606 * reload.c (find_equiv_reg): Use INSN_P.
7607 * reload1.c (reload): Use INSN_P.
7608 (maybe_fix_stack_asms): Likewise.
7609 (calculate_needs_all_insns): Likewise.
7610 (reload_as_needed): Likewise.
7611 (emit_output_reload_insns): Likewise.
7612 (delete_address_reloads_1): Likewise.
7613 (reload_cse_regs_1): Likewise.
7614 (reload_combine): Likewise.
7615 (reload_cse_move2add): Likewise.
7616 * reorg.c (redundant_insn): Use INSN_P.
7617 (dbr_schedule): Likewise.
7618 * resource.c (find_dead_or_set_registers): Use INSN_P.
7619 (mark_target_live_regs): Likewise.
7620 * rtlanal.c (reg_used_between_p): Use INSN_P.
7621 (reg_referenced_between_p): Likewise.
7622 (reg_set_between_p): Likewise.
7623 (reg_set_p): Likewise.
7624 (single_set): Likewise.
7625 (multiple_sets): Likewise.
7626 (find_last_value): Likewise.
7627 (reg_set_last): Likewise.
7628 (find_reg_note): Likewise.
7629 (find_regno_note): Likewise.
7630 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7631 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7632 * ssa.c (find_evaluations): Use INSN_P.
7633 (rename_block): Likewise.
7634 (rename_equivalent_regs): Likewise.
7635 * unroll.c (loop_find_equiv_value): Use INSN_P.
7636 (set_dominates_use): Likewise.
7637 * varasm.c (mark_constant_pool): Use INSN_P.
7638 (mark_constants): Likewise.
7639 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7640 (alphaev4_next_group): Likewise.
7641 (alphaev5_next_group): Likewise.
7642 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7643 (c4x_rptb_rpts_p): Likewise.
7644 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7645 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7646 (rs6000_adjust_priority): Likewise.
7647 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7648 (machine_dependent_reorg): Likewise.
7649 (split_branches): Likewise.
7650 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7652 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7654 * combine.c (recog_for_combine): Remove the old notes
7655 prior to attempting to recognize the new pattern.
7656 (distribute_notes): Ignore REG_NONNEG notes.
7658 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7660 * varasm.c (output_constructor): Add .align 0 for packed vars.
7662 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7664 * configure.in: Use default thread_file even when enable_threads is
7665 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7666 * configure: Rebuilt.
7668 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7670 2000-08-04 Donn Terry (donnte@microsoft.com)
7672 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7674 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7676 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7677 Delete code that conditionally modifies 'version'.
7678 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7679 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7680 * gcc.c (main): Use it.
7681 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7682 * prefix.c (update_path): Use it.
7683 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7684 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7685 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7687 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7688 (SUBTARGET_SWITCHES): Adjust.
7689 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7691 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7693 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7695 * c-common.h (flag_isoc94): Declare.
7696 * c-decl.c (flag_isoc94): Define.
7697 (c_decode_option): Set flag_isoc94 as appropriate.
7698 * c-common.c (T_PD, T_IM, T_UIM): Define.
7699 (format_char_info): Add tlen and jlen.
7700 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7702 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7704 (time_char_table): Add NULL entries for %t and %j.
7705 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7706 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7707 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7708 precision. Allow precision argument to be unsigned int. If
7709 pedantic, warn for %p passed an argument not a pointer to possibly
7710 qualified void or a possibly qualified character type, and for
7711 pointer targets of the wrong sign, except for character pointers.
7713 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7715 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7716 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7717 (wint_type_node): Define.
7718 * c-decl.c (WINT_TYPE): Define.
7719 (init_decl_processing): Create the wint_type_node type.
7720 * c-common.c (T_WI): Define.
7721 (print_char_table): Use T_WI for %lc format.
7723 2000-08-04 Bruce Korb <bkorb@gnu.org>
7725 * fixinc/: Verified that the MSDOS patch does not break
7726 the UNIX functionality and applied the next three patches
7729 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7731 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7732 output file with the temporary one by appending ".X" to generate
7733 the temporary fuile's name. If the output file already has an
7734 extension, replace it with ".X".
7736 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7737 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7738 reallocate the command buffer while copying the command-line
7739 argument. Redirect the output directly to the temporary file,
7740 instead of going through another temporary file.
7741 (process): Close the temporary file before unlinking it.
7742 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7743 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7744 (run_compiles): Pass p_fixd argument to machine_matches, as it
7747 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7748 environment, assume there are no symlinks in the include
7749 directory. When cleaning up the DONE files, look for them
7750 case-insensitively. Don't try to remove symlinks if they aren't
7753 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7754 all callers changed. Declare pz "const char *", to avoid compiler
7757 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7758 Change prototype of make_raw_shell_str.
7760 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7762 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7763 (initialize) [__MSDOS__]: Use tempnam.
7764 (initialize): Don't use SIGPIPE if it is not defined.
7766 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7769 2000-07-25 Bruce Korb <bkorb@gnu.org>
7771 * fixinc/fix*.[ch]: substantially reworked to make it possible
7772 to run this program without using fork(2) or pipe(2) (i.e. in
7775 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7777 * cppdefault.h (WINT_TYPE): Define.
7778 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7779 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7780 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7782 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7784 * (mips_legitimate_address_p): Don't allow register+offset
7785 if the offset is large and negative, and we are compiling
7786 for 64 bit registers.
7788 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7790 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7791 insn_code_number + 1.
7793 2000-08-04 Kazu Hirata <kazu@hxi.com>
7795 * h8300.c (function_prologue): Rearrange code for conciseness.
7796 (function_epilogue): Likewise.
7797 * h8300.h (OK_FOR_U): Fix formatting.
7799 * cse.c: Fix a comment typo. Fix formatting.
7801 2000-08-03 Richard Henderson <rth@cygnus.com>
7803 * config/i386/i386.md (return_indirect_internal): New.
7804 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7806 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7808 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7810 (lex_line): Glue @ onto the beginning of identifiers and
7811 string constants, in Objective-C mode.
7812 (output_token, spell_token): Handle CPP_OSTRING.
7813 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7814 beginning of a NAME or a STRING, in objc mode.
7816 * cpplib.c (get_define_node): Do not permit identifiers that
7817 begin with @ to be #defined.
7818 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7819 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7821 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7822 * c-tree.h (build_objc_string): Delete prototype.
7823 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7824 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7826 * c-parse.in, objc/objc-act.c: Update commentary.
7828 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7830 * extend.texi: Fix typo in last change.
7832 * extend.texi: Add commentary on statement-expressions and their
7833 interactions with C++.
7835 2000-08-03 Nick Clifton <nickc@cygnus.com>
7837 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7838 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7840 2000-08-03 Anthony Green <green@cygnus.com>
7842 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7843 (add_bound_info): Check for java language.
7844 (is_java): New function.
7845 * dwarfout.c (output_compile_unit_die): Ditto.
7846 * dwarf.h (dwarf_source_language): Add java source language type.
7847 * dwarf2.h (dwarf_source_language): Ditto.
7849 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7851 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7854 * i386.c (ix86_expand_branch): Mode of comparison in
7855 IF_THEN_ELSE is VOIDmode.
7857 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7859 * gengenrtl.c, rtl.c: Avoid #elif.
7861 2000-08-03 Michael Poole <poole@troilus.org>
7863 * tm.texi (Register Classes): Clarify order of sub-initializers
7864 in REG_CLASS_CONTENTS.
7866 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7868 From SAITOH Masanobu:
7869 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7871 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7873 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7874 is not supported by tradcpp and isn't actually needed for cygwin.
7876 2000-08-03 Kazu Hirata <kazu@hxi.com>
7878 * h8300.c: Fix a comment typo.
7879 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7881 * jump.c: Fix formatting.
7883 * toplev.c: Fix formatting.
7885 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7887 * flow.c (find_auto_inc): Verify that we've got a REG before
7888 peeking at its regno. Fail, don't abort if we can't find
7889 the increment of the desired register.
7891 * pa.md (shadd height reduction patterns/splitters): Remove.
7893 2000-08-02 Jim Wilson <wilson@cygnus.com>
7895 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7896 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7898 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7900 * dce.c: Remove all uses of assert.
7901 * dwarf2out.c: Likewise.
7902 * dwarfout.c: Likewise.
7905 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7907 * gcc.h (lang_specific_driver): Constify second argument.
7908 * gcc.c (translate_options, process_command, main): Likewise.
7909 Constify variables to match. Cast second argument to
7912 * cppspec.c, gccspec.c: Adjust type of second argument to
7913 lang_specific_driver, and update code as necessary.
7915 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7917 * loop.c (scan_loop): Ensure update_end label does not
7918 go away until reg_scan_update is run.
7920 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7922 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7923 * c-tree.h: ... not here.
7924 * errors.h: Prototype fancy_abort.
7926 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7927 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7928 * regrename.c (regrename_optimize): Make control flow explicit.
7929 (replace_reg_in_block): Initialize reg_use to 0.
7931 * i386.c (legitimate_address_p): Rename error label to
7932 report_error to avoid namespace clash.
7934 2000-08-02 Kazu Hirata <kazu@hxi.com>
7936 * fold-const.c: Fix formatting.
7938 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7940 * i386.c (legitimate_address_p): Accept other bases than
7941 pic_offset_table_rtx for GOTOFF constructs.
7943 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7945 * i386.md (shift to lea splitter): Use const_int_operand.
7947 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7949 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7950 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7953 * cppmain.c (cb_define, cb_undef): Don't generate any output
7954 if not done_initializing.
7955 * cpplex.c (maybe_paste_with_next): When the token after a ##
7956 is an omitted rest argument, only delete the token before it
7957 if that token is a comma. Do not warn about bogus token
7958 pastes for , ## rest_arg.
7961 * cpp.1: Regenerate.
7963 2000-08-02 Fred Fish <fnf@be.com>
7965 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7966 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7969 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7970 Be directories to search path.
7972 Remove support for __declspec(dllimport) and __declspec(dllexport).
7973 This is leftover cruft from the earlier BeOS gcc port when BeOS
7974 used Microsoft's PE object file format.
7975 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7976 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7977 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7978 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7979 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7980 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7981 (REDO_SECTION_INFO_P): Remove.
7982 (ASM_EXPORT_DECL): Remove.
7983 (ASM_DECLARE_FUNCTION_NAME): Remove.
7984 (ASM_DECLARE_OBJECT_NAME): Remove.
7985 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7986 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7987 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7988 (STRIP_NAME_ENCODING): Remove.
7990 Remove support for obsolete version of BeOS that is no longer
7992 * configure.in (i*86-*-beospe*): Remove.
7993 * config/i386/beos-pe.h: Remove.
7995 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7996 Mark Mitchell <mark@codesourcery.com>
7998 * Makefile.in (OBJS): Added dce.o.
7999 (ssa.o): Updated target to include ssa.h.
8001 (toplev.o): Likewise.
8002 (dce.o): Created target.
8003 * basic-block.h: Added comments.
8004 (INVALID_BLOCK): Added definition.
8005 (connect_infinite_loops_to_exit): Added declaration.
8006 Moved SSA declarations to ssa.h.
8007 * flow.c: Added inclusion of ssa.h.
8008 (struct depth_first_search_dsS, depth_first_search_ds):
8010 (compute_immediate_postdominators): Added definition.
8011 (connect_infinite_loops_to_exit): Likewise.
8012 (flow_dfs_compute_reverse_init): Likewise.
8013 (flow_dfs_compute_reverse_add_bb): Likewise.
8014 (flow_dfs_compute_reverse_execute): Likewise.
8015 (flow_dfs_compute_reverse_finish): Likewise.
8016 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8017 (LABEL_P): Added definition.
8020 (BARRIER_P): Likewise.
8021 (JUMP_TABLE_DATA_P): Likewise.
8022 (INSN_DEAD_CODE_P): Likewise.
8023 * ssa.c: Replaced inclusions with ssa.h inclusion.
8024 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8025 (rename_registers): Removed unnecessary variables.
8026 * ssa.h: Created by moving declarations from ssa.c and
8028 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8029 * toplev.c: Added ssa.h inclusion.
8030 (dump_file_index): Added DFI_dce.
8031 (dump_file): Added "dce" entry.
8033 (f_options): Added dce entry.
8034 * invoke.texi: Document -fdce. Emphasize experimental status of
8038 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8040 * cpperror.c (v_message): Split into _cpp_begin_message and
8041 v_message macro. All callers updated.
8042 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8045 * cppfiles.c (cpp_syshdr_flags): New function.
8046 (read_include_file): Don't call cpp_output_tokens. Call
8048 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8049 (cpp_reader_init): Don't initialize token_buffer. Call
8050 _cpp_init_internal_pragmas.
8051 (cpp_cleanup): Don't clear token_buffer.
8052 (cpp_start_read): Don't worry about output from -D processing.
8053 Don't call cpp_output_tokens.
8054 (cpp_finish): Don't dump macros here. Don't call
8056 * cppmacro.c (_cpp_dump_definition): Rename
8057 cpp_dump_definition. Write directly to a FILE *.
8058 (dump_funlike_macro): Delete.
8059 (dump_macro_args): New.
8061 * cpplex.c (TOKEN_LEN): Convert to inline function.
8062 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8063 cpp_scan_line, _cpp_dump_list): Delete.
8064 (cpp_printf, cpp_output_list): New.
8065 (output_line_command): Don't worry about entering or leaving files.
8066 (cpp_scan_buffer): Just output each token as we hit it.
8067 (process_directive): Don't call cpp_output_tokens.
8068 (_cpp_glue_header_name): Don't use token_buffer.
8069 (output_token, dump_param_spelling): Write directly to a FILE *.
8071 * cpplib.c (pass_thru_directive, dump_macro_name,
8072 pragma_dispatch, do_pragma_gcc): Delete.
8073 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8074 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8076 (do_error, do_warning, pragma_dependency): Call
8077 _cpp_begin_message, then cpp_output_list.
8078 (cpp_register_pragma, cpp_register_pragma_space,
8079 _cpp_init_internal_pragmas): New.
8080 (do_pragma): Walk the pragmas table here.
8081 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8082 do_pragma_dependency): Return void.
8083 (do_pragma_implementation): Moved to cppmain.c.
8085 * cpplib.h: Update prototypes.
8086 (struct cpp_reader): Remove printer, token_buffer,
8087 token_buffer_size, and limit. Add struct cb, and pragmas.
8088 (struct cpp_printer): Remove last_id and written.
8089 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8090 CPP_ADJUST_WRITTEN): Delete.
8091 * cpphash.h: Update prototypes.
8092 (ufputs): New wrapper.
8094 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8095 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8096 (main): Set up callbacks. Register #pragma implementation.
8097 Dump macros from here.
8099 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8101 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8102 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8103 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8104 insns if they have a REG_MAYBE_DEAD note attached.
8105 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8106 (rs6000_emit_load_toc_table): TOC loads may go dead.
8108 2000-08-01 Jim Wilson <wilson@cygnus.com>
8110 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8111 type exists before using it. Use number of words as alignment
8113 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8114 ia64_va_arg): Propagate ia64_function_args changes here.
8116 2000-08-01 Richard Henderson <rth@cygnus.com>
8118 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8119 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8121 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8123 From Joern Rennecke:
8124 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8125 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8126 unless TARGET_SH3E is set.
8127 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8129 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8130 (ashlsi3_std): New pattern.
8131 (ashlsi3 expander): Use it for TARGET_SH3.
8132 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8134 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8136 * loop.c (canonicalize_condition): Use destination, not source to
8137 determine SET's mode.
8139 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8141 * flow.c (clear_log_links): Fix typo.
8143 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8145 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8146 on targets which need more than one insn for a compare/cbranch
8149 2000-07-31 Jim Wilson <wilson@cygnus.com>
8151 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8152 when computing offset.
8154 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8156 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8158 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8160 * flow.c (clear_log_links): Nuke global_live_at_start and
8161 global_live_at_end data, since if the log_links stuff is invalid
8162 so is global_live_at_*.
8164 2000-07-31 Richard Henderson <rth@cygnus.com>
8166 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8168 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8170 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8171 (_cpp_get_token): Don't macro expand a just pasted token if it
8172 was pasted at no_expand_level.
8174 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8176 * cppmacro.c (find_param, count_params, save_expansion):
8177 Permit 'defined' as a macro parameter name.
8179 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8181 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8182 xcpp to cpp throughout.
8183 (native): Remove unnecessary dependency on cpp.
8185 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8186 tradcpp to tradcpp0.
8187 (.i spec): Add missing output-file spec to cc1 command line.
8188 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8190 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8192 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8193 (implicit_decl_warning): New function.
8194 (implicitly_declare): Use it.
8195 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8196 to complain about implicit decls of builtins.
8198 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8199 based on pedantic && flag_isoc99, if not already set.
8200 * c-tree.h: Declare mesg_implicit_function_declaration.
8201 Prototype implicit_decl_warning.
8203 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8205 * Makefile.in (ssa.o): Updated header files in dependences.
8206 * basic-block.h: Added compute_immediate_postdominators declaration.
8207 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8209 * flow.c (compute_immediate_dominators): Updated comment.
8210 (compute_immediate_postdominators): Added definition.
8211 * rtl.h (HARD_REGISTER_P): Added definition.
8212 * ssa.c: Include additional header files.
8213 (assert): Added definition.
8214 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8215 include select hard registers.
8216 (ssa_rename_to_insert): Likewise.
8217 (ssa_rename_from_initialize): Likewise.
8218 (ssa_rename_from_lookup): Likewise.
8219 (original_register): Likewise.
8220 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8221 include select hard reigsters.
8222 (ssa_rename_from_traverse): Likewise.
8223 (ssa_rename_from_free): Likewise.
8224 (ssa_rename_from_print): Likewise.
8225 (ssa_rename_from_print_1): Likewise.
8226 (ssa_rename_from_hash_function): Likewise.
8227 (ssa_rename_from_equal): Likewise.
8228 (ssa_rename_from_delete): Likewise.
8229 (simplify_to_immediate_dominators): Removed in favor of
8230 flow.c:compute_immediate_dominators.
8231 (find_evaluations_1): Modified to work with hard registers.
8232 (insert_phi_node): Likewise.
8233 (insert_phi_nodes): Likewise.
8234 (struct rename_set_data): Updated prev_reg comment.
8235 (create_delayed_rename): Modified to work with hard registers.
8236 (RENAME_NO_RTX): Updated comment.
8237 (apply_delayed_renames): Modified to work with hard registers.
8238 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8239 (rename_block): Updated to use revised ssa_rename_to interface.
8240 (rename_registers): Updated to use revised ssa_rename_to and
8241 ssa_rename_from interface.
8242 (convert_to_ssa): Revised to use compute_immediate_dominators and
8243 deal with hard registers.
8244 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8245 registers. Added check for illegal unification of hard register.
8246 (make_equivalent_phi_alternatives_equivalent): Modified to work
8247 with hard registers.
8248 (compute_conservative_reg_partition): Likewise.
8249 (coalesce_if_unconflicting): Modified to work with hard registers
8250 and check for conflicting hard registers.
8251 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8253 (rename_equivalent_regs_in_insn): Modified to work with hard
8255 (record_canonical_element_1): Added definition.
8256 (check_hard_regs_in_partition): Added definition.
8257 (convert_from_ssa): Added data structure deallocation and check
8258 for illegal hard register unification.
8259 (conflict_hard_regs_p): Added definition.
8260 * toplev.c (rest_of_compilation): Added comment.
8262 2000-07-31 Anthony Green <green@redhat.com>
8264 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8266 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8268 * builtins.c (expand_builtin_apply): Don't defer pop during
8271 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8273 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8274 preferred_unit_stack_boundary when it is > 1.
8276 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8278 * c-common.c (init_function_format_info): Add C99 format functions
8281 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8282 void' or 'register void' as being the special case of 'void' alone
8283 in a parameter list.
8285 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8286 discarding qualifiers into a plain warning.
8288 2000-07-31 Kazu Hirata <kazu@hxi.com>
8290 * combine.c: Fix formatting.
8292 * h8300.md: Fix formatting.
8294 * local-alloc.c: Fix formatting.
8296 * h8300.c (get_shift_alg): Remove the variable alg.
8297 (emit_a_shift): Rearrange code to improve readability.
8299 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8301 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8302 HImode on all architectures and a combination of HImode and SImode
8303 on H8/300H and H8/S.
8305 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8307 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8309 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8312 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8314 * recog.c (extract_insn): Set operand_mode according to
8315 operand if match_operand is VOIDmode.
8317 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8319 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8321 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8323 * c-parse.in (extdefs): Call ggc_collect between external
8326 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8327 Richard Henderson <rth@cygnus.com>
8329 * Makefile.in (OBJS): Add doloop.o.
8330 * doloop.c: New file.
8332 * final.c (insn_current_reference_address): Return 0 before final.
8333 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8334 * jump.c (any_uncondjump_p): Likewise.
8335 * loop.c (indirect_jump_in_function): Make static.
8336 (strength_reduce): Call doloop_optimize.
8337 (insert_bct, instrument_loop_bct): Remove.
8338 * loop.h (doloop_optimize): Prototype.
8339 * recog.c (split_all_insns): Split all INSN_P.
8340 * toplev.c (flag_branch_on_count_reg): Default on.
8342 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8343 flag_branch_on_count_reg.
8344 * config/i386/i386.c (override_options): Likewise.
8345 * config/rs6000/rs6000.c (optimization_options): Likewise.
8347 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8349 (dbra_ge): Remove, as well as all it's splitters.
8351 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8354 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8355 (ia64_register_move_cost): Declare.
8356 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8357 (struct ia64_frame_info): Add ar_size.
8358 (ia64_compute_frame_size): Set it.
8359 (save_restore_insns): Save and restore ar.lc.
8360 (ia64_register_move_cost): New, moved from header file. Handle
8361 application registers.
8362 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8363 (emit_insn_group_barriers): Special case doloop_end_internal.
8364 (ia64_epilogue_uses): Mark ar.lc live at end.
8365 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8366 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8367 (FIRST_PSEUDO_REGISTER): Make room.
8368 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8369 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8370 (REG_ALLOC_ORDER): Update.
8371 (HARD_REGNO_MODE_OK): Update.
8372 (REGISTER_NAMES): Update.
8373 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8374 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8375 (REGNO_REG_CLASS): Update.
8376 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8377 (REGISTER_MOVE_COST): Move out of line.
8378 (PREDICATE_CODES): Update.
8379 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8380 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8381 (shladd_elim splitter): Allow constants in the predicate.
8382 (doloop_end, doloop_end_internal): New.
8384 2000-07-30 Richard Henderson <rth@cygnus.com>
8386 * genattrtab.c (struct insn_def): Add lineno member.
8387 (struct insn_ent): Likewise.
8388 (struct attr_desc): Likewise.
8389 (struct delay_desc): Likewise.
8390 (struct function_unit_op): Likewise.
8391 (struct function_unit): Likewise.
8392 (check_attr_value): Use message_with_line.
8393 (check_defs): Likewise.
8394 (expand_units): Likewise.
8395 (check_attr_test): Take a lineno argument.
8396 (gen_attr): Likewise.
8397 (gen_insn): Likewise.
8398 (gen_delay): Likewise.
8399 (gen_unit): Likewise.
8400 (main): Give it to them.
8401 (convert_set_attr_alternative): Take an insn_def argument
8402 instead of num_alt and insn_index.
8403 (convert_set_attr): Likewise.
8404 (write_test_expr): Protect INSN_ADDRESSES load
8405 with INSN_ADDRESSES_SET_P.
8407 2000-07-30 Richard Henderson <rth@cygnus.com>
8409 * flow.c (init_propagate_block_info): Use pc_set.
8411 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8413 * i386.md (*lea_general_[123]) New insns and splits.
8414 (addsi3 to lea splitter): Handle other modes too.
8415 (shlsi3 to lea splitter): Likewise.
8416 (addhi_1_lea, shlhi_1_lea): New patterns.
8417 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8419 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8421 * recog.c (general_operand, nonimmediate_operand): Accept
8422 any mode for VOIDmode CONSTANT_P operands.
8424 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8426 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8427 instead of replace_rtx.
8428 * recog.c (validate_replace_rtx_subexp): New function.
8429 * recog.h (validate_replace_rtx_subexp): Declare.
8431 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8433 * combine.c (simplify_set, make_extraction, make_compound_operation
8434 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8435 as force_to_mode argument.
8437 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8439 * combine.c (if_then_else_cond): Be sure that mode fits in
8442 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8444 * combine.c (record_promoted_value): Allow bitsize of mode
8445 to be equivalent to HOST_BITS_PER_WISE_INT.
8447 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8449 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8450 Do not call gen_mode_alignment when mode is BLKmode.
8452 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8454 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8456 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8458 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8459 VOIDmode implies both operands to be VOIDmode.
8460 (simplify_ternary_operation): Compute properly the mode of comparison.
8461 * combine.c (combine_simplify_rtx): Likewise.
8463 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8465 * basic-block.h (struct loops): New field rc_order.
8466 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8467 (flow_loops_free): Free rc_order.
8468 (flow_depth_first_order_compute): New parameter rc_order.
8469 (flow_loops_find): Allocate rc_order and swap usage with
8472 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8473 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8475 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8476 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8477 (nodb_call, return_from_epilogue): Likewise.
8478 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8479 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8480 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8481 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8482 (c4x_valid_type_attribute_p): Likewise.
8483 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8484 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8486 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8488 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8489 and loadhi_big_constant if applicable.
8490 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8491 and add new splitter.s
8493 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8495 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8497 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8499 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8501 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8503 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8505 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8507 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8509 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8511 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8512 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8513 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8514 (get_prev_bb_note): Likewise.
8515 (remove_scope_notes): Likewise.
8516 * flow.c (commit_one_edge_insertion): Likewise.
8517 (merge_blocks_nomove): Likewise.
8518 (verify_flow_info): Likewise.
8519 * gcse.c (insert_insn_end_bb): Likewise.
8520 * reg-stack.c (emit_swap_insn): Likewise.
8521 * ssa.c (first_insn_after_basic_block_note): New function.
8522 (insert_phi_node): Use it.
8523 (rename_block): Likewise.
8524 (eliminate_phi): Likewise.
8525 (make_regs_equivalent_over_bad_edges): Likewise.
8526 (make_equivalent_phi_alternatives_equivalent): Likewise.
8527 (for_each_successor_phi): Likewise.
8528 (convert_from_ssa): Modify phi-node deletion algorithm.
8530 2000-07-29 Andreas Jaeger <aj@suse.de>
8532 * configure.in (mips*-*-linux*): Use mips*el to check for little
8533 endian MIPS, add tmake_file.
8535 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8536 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8537 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8539 2000-07-28 Richard Henderson <rth@cygnus.com>
8541 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8542 Sign extend mode size before negating.
8544 2000-07-28 Richard Henderson <rth@cygnus.com>
8546 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8548 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8550 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8551 (cse_insn): Likewise.
8552 (addr_affects_sp_p): Likewise.
8553 * expr.c (move_by_pieces): Likewise.
8554 (clear_by_pieces): Likewise.
8555 * gcse.c (oprs_unchanged_p): Likewise.
8556 * haifa-sched.c (sched_analyze_2): Likewise.
8557 * recog.c (offsettable_address_p): Likewise.
8558 * regclass.c (record_address_regs): Likewise.
8559 * reload.c (find_reusable_reload): Likewise.
8560 (push_reload): Likewise.
8561 (operands_match_p): Likewise.
8562 (decompose): Likewise.
8563 (find_reloads_address_1): Likewise.
8564 (find_inc_amount): Likewise.
8565 * reload1.c (elimination_effects): Likewise.
8566 * resource.c (mark_set_resources): Likewise.
8567 * flow.c (attempt_auto_inc): New function; mostly broken out
8569 (find_auto_inc): Split into two functions and enhanced to
8570 generate POST_MODIFY.
8571 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8572 * rtl.h (count_all_occurrences): Declare.
8573 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8575 * rtlanal.c (count_all_occurrences): New function.
8576 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8577 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8579 * config/ia64/ia64-protos.h (destination_operand): Declare.
8580 * config/ia64/ia64.c (destination_operand): New function.
8581 (ia64_print_operand): Handle POST_MODIFY.
8582 (rtx_needs_barrier): Likewise.
8583 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8584 (HAVE_POST_MODIFY_REG): Define to 1.
8585 (MAX_REGS_PER_ADDRESS): Change to 2.
8586 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8587 (LEGITIMATE_ADDRESS_REG): New helper macro.
8588 (LEGITIMATE_ADDRESS_DISP): Likewise.
8589 (PREDICATE_CODES): Add entry for destination_operand.
8590 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8591 predicate for operand 0.
8593 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8595 * dwarf2out.c: Indent #error directive.
8597 * gbl-ctors.h: Fix typo in comment.
8598 (__do_global_ctors): Prototype.
8600 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8602 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8603 (print_operand): Initialize variable `t'.
8605 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8607 * config/arm/arm.md ("call_value"): removed constraints.
8608 Constraints are ignored in expanders.
8609 (*call_value_reg): split =rf into various constraints.
8610 (*call_value_mem): same
8611 (*call_value_symbol): same
8612 (*sibcall_value_insn): same
8614 2000-07-28 Philipp Thomas <pthomas@suse.de>
8616 * install.texi (--enable-nls): Change the description of the NLS
8617 related configure options to match the current state.
8618 (--with-included-gettext): Likewise.
8619 (--enable-maintainer-mode): New description added.
8620 * extend.texi (-fstrict-prototype): Add missing '.'.
8622 2000-07-27 Jim Wilson <wilson@cygnus.com>
8624 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8625 DECL_INITIAL (decl) == NULL_TREE.
8627 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8629 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8630 on insn-attr.h with it.
8631 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8632 * insn-addr.h: New header.
8633 (insn_addresses_): Renamed from insn_addresses.
8634 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8635 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8636 INSN_ADDRESSES_NEW): New macros.
8637 * genattrtab.c (write_test_expr): Use new macros.
8638 * final.c (insn_addresses, init_insn_lengths): Likewise.
8639 (align_fuzz, shorten_branches): Likewise.
8640 (final): Likewise. Do not reject new insns if their addresses
8641 have been added to INSN_ADDRESSES.
8642 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8643 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8644 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8645 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8646 * config/sh/sh.c: Likewise.
8647 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8649 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8651 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8653 * gcc.c (struct prefix_list): Add member priority.
8654 (enum path_prefix_priority): Declare.
8655 (add_prefix): Replace ``first'' with ``priority''. Append new
8656 entry but keep list in priority order.
8657 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8658 PREFIX_PRIORITY_LAST to add_prefix.
8659 (process_command): Move include kludge - foo/stageN - to before
8662 2000-07-27 Jason Merrill <jason@redhat.com>
8664 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8665 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8667 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8669 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8670 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8672 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8674 * c-decl.c (finish_function): Don't treat 'main' specially unless
8675 flag_hosted. In C99 mode, return 0 from 'main' unless
8676 DEFAULT_MAIN_RETURN is otherwise defined.
8678 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8679 parameters defaulting to int in an old-style function definition.
8681 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8683 * c-parse.in (string): For -Wtraditional, warn about string
8684 concatenation only once per line.
8686 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8688 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8689 for HI-UX/WE2 systems.
8691 2000-07-24 Bruce Korb <bkorb@gnu.org>
8693 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8694 defining the __xxx_TYPE__ macros.
8695 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8696 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8697 * fixincl/inclhack.def(type_map): now obsolete
8699 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8701 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8703 2000-07-26 Dave Pitts <dpitts@cozx.com>
8705 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8707 (mvs_hash_alias): New function.
8708 (mvs_add_alias): Change argument spacing.
8709 (mvs_need_alias): Change aliasing criteria. Added documentation.
8710 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8711 CSECT name collisions.
8712 (mvs_check_alias): Likewise.
8713 (handle_pragma): Change documentation.
8714 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8715 mode from SImode to DImode.
8716 (iorhi3): Changed LTORG size for insn.
8718 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8720 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8721 mem if the address is a mode_dependent_address_p.
8723 2000-07-26 Kazu Hirata <kazu@hxi.com>
8725 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8726 suitable for 8-bit absolute.
8727 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8728 (OK_FOR_U): Add a case for the 8-bit constant address on the
8731 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8733 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8734 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8735 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8736 lack of implemented alignment.
8738 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8740 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8741 cross-compiling between 64-bit and 32-bit machines.
8743 2000-07-27 Richard Henderson <rth@cygnus.com>
8745 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8746 (movhicc_astep, movhi_internal_astep): New.
8747 (movsicc_astep, movsi_internal_astep): New.
8748 (movdicc_astep, movdi_internal_astep): New.
8749 (movsfcc_astep, movsf_internal_astep): New.
8750 (movdfcc_astep, movdf_internal_astep): New.
8751 (movxfcc_astep, movxf_internal_astep): New.
8752 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8753 Unify the cmov[ds]i splitters.
8755 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8757 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8759 2000-07-26 Nick Clifton <nickc@cygnus.com>
8761 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8762 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8764 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8765 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8767 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8769 * c-decl.c (finish_enum): Convert enumerations that fit in an
8771 (build_enumerator): In pedantic mode, cast to `int' those that
8774 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8776 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8778 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8780 * sh.md (cmpgtdi_t): Must be split.
8781 (cmpgtdi_t+1): New splitter.
8783 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8785 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8786 warnings for indented directives even if we are skipping.
8788 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8790 * invoke.texi (strict-prototypes): Remove.
8791 * extend.texi (Deprecated Features): Add strict-prototypes.
8792 (Backwards Compatibility): New node.
8794 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8796 * config/i386/i386.md (andsi_1+1): Allow HImode.
8797 (andsi_1+2): Require q_regs_operand.
8799 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8801 * config/i386/i386.md (call_pop): Check operands[0],
8802 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8804 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8805 (call_value): Likewise.
8807 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8809 * toplev.c (pipe_closed): Delete.
8810 (crash_signal): New. Generate ICE for a fatal signal.
8811 (float_signal): Call crash_signal outside a float-handler
8813 (main): Install crash_signal as handler for core-dumping signals.
8815 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8817 * rs6000.c (print_operand, case 'T'): New case.
8819 * rs6000.md (call_indirect_aix32): Convert to expander of
8820 scheduled instructions.
8821 (call_indirect_aix64): Likewise.
8822 (call_value_indirect_aix{32,64}): Likewise.
8823 (call, call_value): Invoke expanders for AIX. Fall through to
8825 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8826 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8827 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8828 only "g" constraint.
8829 (call_nonlocal_aix64): Likewise.
8830 (call_value_nonlocal_aix{32,64}): Likewise.
8831 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8833 (call_value_nonlocal_sysv): New pattern.
8834 (indirect_jump{si,di}): Use new 'T' modifier.
8835 (tablejump{si,di} matchers): Likewise.
8836 (return_internal_{si,di}): Likewise.
8837 (return_eh_{si,di}): Likewise.
8839 2000-07-24 Richard Henderson <rth@cygnus.com>
8841 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8842 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8843 * config/ia64/ia64.md (movdi_internal): Use it.
8845 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8847 * cppexp.c: Warn about unary + if -Wtraditional.
8848 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8850 2000-07-24 Michael Meissner <meissner@redhat.com>
8852 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8855 2000-07-24 Nick Clifton <nickc@cygnus.com>
8857 * config/arm/arm.c (emit_multi_reg_push): Generate a
8858 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8859 dwarf2out_debug_frame_expr.
8861 2000-07-24 Jason Merrill <jason@redhat.com>
8863 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8864 UNALIGNED_INT_ASM_OP.
8865 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8866 a location expression.
8867 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8868 assume indirect access if we're saving the CFA address exactly.
8870 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8872 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8874 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8877 2000-07-24 Michael Meissner <meissner@redhat.com>
8879 * invoke.texi (D30V Options): Add d30v options.
8881 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8883 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8884 needed by our gcse pass anymore.
8885 (free_pre_mem): Corresponding changes.
8886 (compute_pre_data): Do not call compute_transpout anymore.
8888 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8889 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8892 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8893 (compute_pre_data): Do it here instead.
8895 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8897 (pre_delete): Corresponding changes.
8899 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8901 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8902 to figure out whether or not a variable has already been emitted.
8904 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8906 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8907 instead of gen_call.
8909 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8911 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8913 2000-07-23 Kazu Hirata <kazu@hxi.com>
8915 * h8300.c: Fix formatting.
8917 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8919 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8920 for `long' switch expression into a plain warning.
8922 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8923 (yylex): Don't pedwarn for "inline" in C99 mode.
8925 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8927 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8928 ggc_alloc): Likewise.
8929 * bb-reorder.c (dump_scope_forest_1): Likewise.
8931 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8933 * reload.c (find_reloads_toplev): Add new parameter
8935 (find_reloads): Add new parameter to find_reloads_toplev calls.
8937 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8939 * collect2.c (main): Typo fixed.
8940 * diagnostic.c: Typo fixed.
8941 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8942 * eh-common.h: Typo fixed.
8943 * emit-rtl.c (start_sequence): Typo fixed.
8944 * flow.c (find_label_refs): Typo fixed.
8945 (calculate_global_regs_live): Typo fixed.
8946 (mark_regno_cond_dead): Typo fixed.
8947 (create_edge_list): Typos fixed.
8948 (verify_edge_list): Typo fixed.
8949 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8950 * loop.c (strength_reduce): Typo in function name fixed.
8951 * rtl.h: Added comments. Typo in function name fixed.
8952 * rtlanal.c: Typo in function name fixed.
8953 (insn_dependant_p): Rename to ...
8954 (insn_dependent_p): ... this.
8955 (computed_jumo_p): Typo fixed.
8957 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8959 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8961 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8963 * rs6000.h (SIZE_TYPE): Define.
8965 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8967 * ssa.c (rename_insn_1): Don't rename registers that are
8970 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8972 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8974 (fatal_function, set_fatal_function): Removed.
8975 (fatal): Don't prepare for or call the fatal_function.
8976 (diagnostic_lock, error_recursion): New.
8977 (diagnostic_for_decl, report_diagnostic): Guard against
8978 re-entering the error reporting routines.
8979 (fancy_abort): Assume function is not NULL.
8981 * errors.c (fancy_abort): New. Assume function is not NULL.
8982 * tradcpp.c (fancy_abort): Assume function is not NULL.
8984 * system.h: Provide default definition of __FUNCTION__.
8985 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8986 Always use __FUNCTION__ in definition of abort.
8988 * varray.h: Likewise.
8989 * toplev.h: Likewise. Don't prototype set_fatal_function.
8991 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8993 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8995 * glimits.h: Don't do #if defined for ARCH_PPC.
8997 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8998 constants of size no larger than a pointer should go in the TOC.
8999 Add 'MODE' parameter.
9000 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9001 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9002 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9003 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9004 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9005 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9006 (rs6000_legitimize_address): Likewise.
9007 (rs6000_emit_move): Likewise.
9008 (rs6000_select_rtx_section): Likewise.
9009 (output_toc): Deal properly with outputting small constants like
9010 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9011 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9012 MODE parameter. Put small constants in the TOC.
9014 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9016 (rs6000_emit_move): When reload calls us with an illegitimate
9017 address, exit early. Move the change_address calls to one place
9018 at the end of the routine. Merge the SImode and DImode expanders.
9019 When called by reload to put an integer into a FP register, force
9022 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9024 (rs6000_hash_constant): Hash mode too.
9025 (toc_hash_function): Allow for key_mode.
9026 (toc_hash_eq): Structures are different if key_mode differs.
9027 (output_toc): Add 'mode' parameter. Save key_mode.
9028 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9029 Pass 'mode' parameter.
9030 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9032 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9033 for vtable references.
9035 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9036 choice, don't put integer values in FP regs.
9038 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9040 * flow.c (verify_flow_info): Revamp code to verify that the
9041 head and end of each basic block are in the insn chain.
9043 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9045 * gcse.c (record_one_set): Prepend instead of append onto
9046 reg_set_table, making it O(n) instead O(n^2).
9047 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9048 Use a queue instead of a stack as worklist.
9050 2000-07-20 Kazu Hirata <kazu@hxi.com>
9052 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9053 * h8300.h (OK_FOR_T): New.
9054 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9055 * h8300.md: Use inc/dec.[wl] for increment/decrement
9056 by 1 and 2 in HI and SI modes.
9058 2000-07-20 Jim Wilson <wilson@cygnus.com>
9060 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9061 larger than 14 bits.
9063 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9065 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9066 (count_params): Don't set GNU_REST_ARGS on anything.
9067 (save_expansion): Set PASTE_LEFT only on tokens for which
9068 CAN_PASTE_AFTER is true, or which are named operators.
9070 * cpplex.c (parse_args): Distinguish between a rest argument
9071 given one empty argument, and a rest argument given zero arguments.
9072 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9073 deletion of previous token based on that.
9074 (get_raw_token): Flatten some control structure.
9076 * cpplib.h (CPP_LAST_EQ): Correct.
9077 (VOID_REST): New token flag.
9078 (GNU_REST_ARGS): Delete.
9080 * tradcpp.c (main): Don't munge -D options.
9081 (make_definition): Bring -D handling in line with cpplib.
9082 (do_define): Strip all leading whitespace from macro definitions.
9084 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9086 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9088 2000-07-20 Bruce Korb <bkorb@gnu.org>
9090 * fixincl/check.tpl: strip the platform specific types before testing
9091 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9092 * fixincl/fixincl.tpl: use platform specific types
9093 * fixincl/fixlib.h: include the platform specific types
9094 * fixincl/inclhack.def(gnu_types): don't supply the types
9095 * fixincl/fixincl.x: regen
9097 2000-07-19 Jim Wilson <wilson@cygnus.com>
9099 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9102 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9104 * tradcpp.c (rescan): Do not recognize directives when the #
9107 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9109 Implement C++ named operators.
9111 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9112 of operators allowed in #if and having an _EQ variant. Add
9113 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9114 (cpp_token flags): Add NAMED_OP.
9115 (enum node_type): Add T_OPERATOR.
9116 (struct cpp_hashnode): Add code slot to value union.
9117 * cpphash.h (spec_nodes): Remove n_defined.
9119 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9120 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9121 (is_macro_disabled): Tweak error messages.
9123 * cpplib.c (get_define_node): Disallow all named operators as
9124 macro names. Tweak error messages.
9125 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9127 * cppinit.c (builtin_array): Add entries for the named operators.
9128 * cppexp.c (lex): Check for CPP_DEFINED token.
9129 (priority table): Add entries for CPP_MIN and CPP_MAX.
9130 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9132 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9134 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9135 larger than the array of cuids.
9136 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9139 2000-07-19 Bruce Korb <bkorb@gnu.org>
9141 * fixinc/fixincl.c: Convert to using a table of environment variables
9142 and activate the auto-edit marker on the fixed output files.
9143 * fixinc/fixlib.h: Define the environment table
9144 * fixinc/fixincl.sh: export the ${INPUT} dir
9145 * fixinc/check.tpl: likewise
9147 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9149 * gcc.c (.h spec): Fix typo.
9151 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9153 * Makefile.in: Fix tradcif.c path.
9155 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9157 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9160 * cpphash.h (TOKEN_NAME): New macro.
9161 (_cpp_spell_operator): Deleted.
9162 (token_spellings): Now _cpp_token_spellings.
9164 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9165 * cpplex.c: Use OP and TK macros when expanding the
9166 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9167 store the stringification of the enumeration name (CPP_CHAR,
9168 etc.) in the name slot of token_spellings.
9169 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9170 token_spellings directly.
9171 * cpplib.c: Use TOKEN_SPELL.
9173 * cpplex.c (_cpp_push_token): If the token being pushed back
9174 is the previous token in this context, just subtract one from
9176 * cppmacro.c (save_expansion): Clear aux field when storing a
9179 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9181 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9182 buffer, provided it is not NULL.
9184 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9186 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9187 case of invalid volatile re-declaration.
9189 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9191 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9192 (expand_call): Adjust caller.
9194 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9196 * diagnostic.h (report_diagnostic): Change prototype.
9198 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9199 diagnostic_for_decl): Change prototype.
9200 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9201 error, warning, error_with_file_and_line,
9202 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9203 Adjust call to report_diagnostic, diagnostic_for_decl.
9204 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9205 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9207 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9208 varaible argument list.
9210 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9212 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9213 moved to cppmacro.c.
9214 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9215 dump_hash_helper): Delete.
9216 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9217 cpp_forall_identifiers): New. Implement specialized version of
9218 Vlad's expandable hash table.
9219 (cpp_lookup): Use new functions.
9220 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9222 * cppmacro.c: New file.
9223 * cppinit.c (dump_macros_helper): New.
9224 (cpp_finish): Iterate over the identifier table directly.
9225 * cpplex.c (parse_name): Calculate the hash of the identifier
9226 while we scan it. Use _cpp_lookup_with_hash when we can.
9228 * cpphash.h: Update prototypes.
9229 (xcnewvec, HASHSTEP): New helper macros.
9230 * cpplib.h: Update prototypes.
9231 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9232 (cppmacro.o): New rule.
9233 (cpphash.o): Update deps.
9235 * cppmain.c: Do not set pfile->printer if no_output is on.
9237 2000-07-15 Neil Booth <neilb@earthling.net>
9239 * cpplib.c: Change all directive-handler functions to return
9241 * cpphash.h: Update typedefs.
9243 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9245 * configure: Regenerate.
9247 * extend.texi (Extended Asm): Mention that a memory clobber
9248 does not count as a side-effect.
9250 * unroll.c (copy_loop_body): Fix one instance of using host
9251 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9254 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9256 2000-07-17 Richard Henderson <rth@cygnus.com>
9258 * config/ia64/ia64.md (movdi): Split out load address code.
9259 New post-reload splitter for symbolic operands.
9260 (movdi_internal): Abort if we didn't split symbolic operands
9261 when we should have.
9262 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9263 (ia64_reorg): Split insns when not optimizing.
9264 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9266 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9268 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9269 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9271 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9273 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9275 2000-07-17 Jason Merrill <jason@redhat.com>
9277 * Makefile.in (clean): Remove libgcc directory.
9279 * configure.in (-Wno-long-long check): Use higher-level macros.
9281 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9283 * simplify-rtx.c (simplify_binary_operation): Recognize
9284 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9285 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9286 a CONST_INT, it will always be zero.
9288 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9290 * loop.c (check_dbra_loop) : Return if more than one condition is
9291 present to control the loop.
9293 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9295 * mips.c (mips_expand_prologue): Don't calculate the last argument
9296 register unless we need it. When we are calculating this, make
9297 sure FUNCTION_ARG is giving us a REG.
9299 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9301 * flow.c (libcall_dead_p): Use single_set to verify the insn
9302 has only one set and get for analysis.
9303 (propagate_one_insn): Don't pass the PATTERN of the insn.
9305 2000-07-17 Mark Klein <mklein@dis.com>
9307 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9309 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9311 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9312 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9313 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9314 of second argument of getgroups.
9315 * configure, config.in: Rebuilt.
9317 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9319 * simplify-rtx.c (simplify_relational_operation): Two signed
9320 values with equal high words are less/greater than each other if
9321 their low words are less/greater when considered as unsigned.
9323 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9325 * configure.in (vax-*-openbsd): Change to new style configuration,
9326 add collect2/float_format information.
9327 * configure: Rebuilt.
9328 * config/vax/openbsd1.h: New.
9329 * config/vax/openbsd.h: New.
9330 * config/vax/t-openbsd: New.
9332 2000-07-17 Chip Salzenberg <chip@valinux.com>
9334 * c-common.c (shorten_compare): Quiet warnings about unsigned
9335 comparisons with zero when they occur in a system header.
9337 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9339 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9340 update to describe current practice.
9342 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9344 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9345 references to C9X. Change references to -fstd and -flang-isoc9x
9348 * c-common.c (scan_char_table): Allow "z" length modifiers on
9350 (check_format_info): Use TYPE_DOMAIN on the type matched against
9351 for "z" formats, to retrieve the language size_t rather than the
9354 * c-common.c (check_format_info): Do not make a pedantic objection
9355 to the 'L' length modifier if used with a floating point type
9358 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9359 constants in C99 mode.
9361 2000-07-17 Kazu Hirata <kazu@hxi.com>
9363 * h8300.md: Fix the format of mac.
9364 (movsi_h8300hs): Output a tab after stmac instead of a space.
9366 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9367 profitable adds/subs sequences.
9369 * fold-const.c: Fix comment typos.
9371 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9373 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9375 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9377 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9379 2000-07-16 Neil Booth <NeilB@earthling.net>
9381 * cpplex.c: Update comments.
9382 * README.Portability: Small update.
9384 2000-07-16 Neil Booth <NeilB@earthling.net>
9386 * README.Portability: Small update.
9388 2000-07-15 Richard Henderson <rth@cygnus.com>
9390 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9391 * config/ia64/ia64.c (ia64_move_ok): New function.
9392 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9393 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9395 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9397 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9398 immediately following a paste operator.
9399 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9400 (cpp_reader_init): Call it, if HOST_EBCDIC.
9401 (cpp_handle_options): Do not sort option list here.
9402 (handle_option): Rename to cpp_handle_option and export.
9403 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9404 _cpp_get_token directly.
9405 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9406 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9407 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9410 2000-07-15 Richard Henderson <rth@cygnus.com>
9412 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9413 cast around an expression. Tidy other unsigned tests.
9415 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9417 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9418 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9419 (v_message_with_decl): Rename to ...
9420 (format_with_decl): ... this. Tweak
9421 (diagnostic_for_decl): New function.
9422 (fatal_io_error): Use verbatim in lieu of notice.
9423 (announce_function): Use verbatim.
9424 (default_print_error_function): Likewise.
9425 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9428 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9430 * mips.c (function_arg_pass_by_reference): Don't do automatic
9431 aggregate initialization.
9432 (machine_dependent_reorg): Initialize variable `mode'.
9434 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9435 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9436 conflicts with sys/param.h macro of the same name.
9437 (reload_outdi): Likewise.
9439 2000-07-15 Michael Meissner <meissner@redhat.com>
9441 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9442 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9443 create a new node instead.
9445 2000-07-15 Neil Booth <NeilB@earthling.net>
9447 * README.Portability: Correct example about calling a function
9448 through a pointer to function. Format wide paragraphs.
9450 2000-07-15 Michael Meissner <meissner@redhat.com>
9452 * README.Portability: Update integer suffixes and function
9455 2000-07-15 Neil Booth <NeilB@earthling.net>
9457 * README.Portability: Small update.
9459 2000-07-15 Neil Booth <NeilB@earthling.net>
9461 * README.Portability: New file.
9463 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9465 * INSTALL: Give special instructions for building GCC on Irix 6.
9466 * config/mips/x-iris6 (CC): Don't set it.
9469 2000-07-14 Jason Merrill <jason@redhat.com>
9471 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9472 register in the stack and later in another register, use the new
9475 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9477 * config/mips/mips.md: (absdi2): Handle sign_extend for
9480 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9482 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9484 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9486 * .cvsignore: Correct typo.
9488 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9490 * .cvsignore: Add generated YACC files.
9491 * objc/.cvsignore: New file.
9493 2000-07-14 Neil Booth <NeilB@earthling.net>
9495 * cpplex.c (adjust_column): New funcion.
9496 (skip_whitespace): Use it.
9497 (skip_block_comment): Use it, and warn about /*/* with
9500 2000-07-14 Neil Booth <NeilB@earthling.net>
9502 * cpphash.c (struct macro_info): Add new members.
9503 (_cpp_free_definition): Delete the macro directly.
9504 (count_params): Return void, with first token of
9505 expansion in struct macro_info on success.
9506 (parse_define): Return int. Hoist syntax checking from
9507 save_macro_expansion. Leave call to save_expansion to
9508 _cpp_create_definition.
9509 (alloc_macro): Needs just 2 arguments.
9510 (free_macro): Delete.
9511 (save_expansion): Don't perform syntax check.
9512 (_cpp_create_definition): Call save_expansion.
9514 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9516 * genrecog.c (write_header): Split long string.
9518 * cpphash.c (macro_info): Don't use the `signed' keyword.
9520 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9522 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9524 * calls.c (stored_args_map): New variable.
9525 (check_sibcall_argument_overlap_1): New.
9526 (check_sibcall_argument_overlap): New.
9527 (expand_call): Initialize stored_args_map.
9528 Call check_sibcall_argument_overlap.
9530 2000-07-13 Bruce Korb <bkorb@gnu.org>
9532 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9533 (emit_gnu_type): utility procedure for gnu_type_fix
9534 (gnu_type_fix): implement various pre-processor guards around
9535 standard types so these types can be defined over and over
9536 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9537 types alluded to above will have GNU-compliant base types
9538 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9539 * fixinc/inclhack.def: add test_text entries and utilize the new
9540 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9541 * fixinc/fixincl.x: regenerate
9543 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9545 * diagnostic.c (vline_wrapper_message_with_location,
9546 v_message_with_file_and_line, v_error_with_file_and_file,
9547 v_error_for_asm, v_warning_for_asm, vfatal,
9548 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9549 vsorry, verror, vwarning, vpedwarn): Remove.
9550 (diagnostic_for_asm): New function.
9551 (pedwarn, error, warning, pedwarn_with_file_and_line,
9552 error_with_file_and_line, warning_with_file_and_line, sorry,
9553 error_for_asm, warning_for_asm, fatal): Reimplement.
9554 (finish_diagnostic): Clear diagnostic info as well.
9556 2000-07-13 Neil Booth <NeilB@earthling.net>
9558 * c-common.h (flag_digraphs): New.
9559 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9560 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9563 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9565 * gcc.c (do_spec_1): Add new %B operator.
9566 (set_input): Prepare for %B.
9568 (link_command_spec): Move up with the other tm.h-
9569 overrideable specs. Factor out the portion conditional on
9570 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9571 (struct compiler): Just have a single spec string. All users
9573 (default_compilers): Remove unnecessary braces.
9574 (static_specs): Update.
9576 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9578 (C and assembly specs): Use the new named specs, as appropriate.
9580 * objc/lang-specs.h: Use the new named specs.
9581 Remove unnecessary braces.
9583 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9585 * gcc.c (execute): If a subprocess gets a fatal signal, report
9586 strsignal() of the signal number, and ask for a bug report.
9587 Do not do this for SIGPIPE if there's already been an error.
9589 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9592 * tradcif.c: Remove.
9594 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9596 * final.c (profile_function): Do not emit profile counters in
9597 the data section, if NO_PROFILE_COUNTERS is defined.
9598 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9601 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9602 (FUNCTION_PROFILER): Just emit a call to mcount.
9604 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9606 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9608 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9609 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9610 traditional, lang_chill, or lang_fortran.
9612 * cppfiles.c: #undef strcmp to suppress warning about macros
9613 used without arguments.
9614 (_cpp_execute_include): Use f, not fname, in "No include path"
9616 (_cpp_pop_file_buffer): New function.
9617 * cpplib.c: Don't include <sys/mman.h>.
9618 (cpp_push_buffer): Set line_base and lineno in new buffer.
9619 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9621 * cpplex.c: Move all prototypes and structure declarations to the
9622 top of the file. Properly parenthesise some macro arguments.
9623 (cpp_scan_line): New function.
9624 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9625 don't need to walk up the stack counting.
9627 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9629 * c-common.c (combine_strings): Emit a pedantic warning when a
9630 string length is greater than the minimum ANSI C is required
9633 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9635 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9636 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9638 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9640 * c-decl.c (define_label): Warn about identifier conflicts with
9641 labels in traditional C.
9643 * c-parse.in (unop +): Warn about the unary plus operator for
9646 * c-typeck.c (store_init_value): Warn about automatic aggregate
9647 initialization for traditional C.
9649 * invoke.texi (-Wtraditional): Document new warnings.
9651 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9653 * Makefile.in (c-errors.o): Fix thinko in dependency.
9655 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9657 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9658 -traditional, -ftraditional, or -traditional-cpp was given.
9659 Do not pass -traditional to the preprocessor.
9660 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9661 preprocessor does it automatically.
9662 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9664 * ch/lang-specs.h: Always use tradcpp. Do not pass
9665 -traditional, -trigraphs, or -pedantic to the preprocessor.
9666 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9669 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9671 * cppexp.c (LOGICAL): Delete macro.
9672 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9675 * cpphash.c (HASHSIZE): Increase to 4096.
9676 (struct hashdummy): Add hash field.
9677 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9678 the string values using memcmp.
9679 (cpp_lookup): Set dummy.hash.
9681 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9683 * configure.in (m88k-openbsd): Express configuration using new fragment
9685 * configure: Rebuilt.
9686 * m88k/aout-dbx.h: New.
9687 * m88k/openbsd.h: New.
9688 * m88k/xm-openbsd.h: New.
9690 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9692 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9694 2000-07-12 Richard Henderson <rth@cygnus.com>
9696 * reload.c (push_secondary_reload): Make sure to add the new
9697 reload at the end, after acquiring secondary memory.
9699 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9701 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9703 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9704 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9706 * c-parse.in (stmt): Delete unused variables.
9708 * convert.c (convert_to_vector): Likewise.
9710 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9712 * tree.c (finish_vector_type): Prototype.
9714 2000-07-12 Bruce Korb <bkorb@gnu.org>
9716 * fixinc/fixfixes.c: use xmalloc
9717 * fixinc/fixincl.c(initialize): set program name for xmalloc
9718 * fixinc/fixlib.c(must_malloc): obsolete
9719 (is_cxx_header): no longer used - disabled
9720 (skip_quote): inserted and disabled for future use
9721 * fixinc/fixlib.h: reflects above
9722 * fixinc/fixtests.c: removed dinkleberries
9724 2000-07-12 Neil Booth <NeilB@earthling.net>
9726 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9727 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9729 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9730 struct toklist_dummy): New.
9731 (cpp_free_definition): Free macros with free_macro.
9732 (count_params): Don't save paramter spellings. Save macro
9733 information in a struct macro_info.
9734 (parse_define): Don't allocate a token list.
9735 (save_expansion): Allocate the macro's token list, and
9736 save parameter spellings if necessary. Use TOKEN_SPELL.
9737 (cpp_create_definition): Make list const.
9739 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9741 * c-typeck.c (pedwarn_c99): Move to
9742 * c-errors.c: ... Here.
9743 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9744 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9745 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9746 (c-errors.o): List dependency.
9748 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9750 * c-parse.c: Remove.
9751 * c-parse.h: Likewise.
9752 * c-parse.y: Likewise.
9753 * objc/objc-parse.c: Likewise.
9754 * objc/objc-pasre.y: Likewise.
9756 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9758 * gcc.texi: Fix minor typos
9759 * extend.texi: Fix minor typos
9761 2000-07-11 Marc Espie <espie@openbsd.org>
9763 * collect2.c (main): Recognize .lo as object files.
9765 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9767 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9770 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9771 with MAP_ANONYMOUS and MAP_ANON.
9772 * configure, config.in: Rebuilt.
9774 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9776 * diagnostic.c (save_output_state): Remove.
9777 (restore_output_state): Likewise.
9778 (clear_text_info): New function.
9779 (clear_diagnostic_info): Likewise.
9780 (output_text_length, is_starting_newline, output_prefix,
9781 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9782 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9783 (set_real_maximum_length, output_set_maximum_length,
9784 output_set_prefix, output_get_prefix, output_set_maximum_length,
9785 output_destroy_prefix, init_output_buffer,
9786 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9787 output_add_newline, output_add_character, output_add_space,
9788 output_append_r, output_append, wrap_text, output_format,
9789 output_do_printf, output_printf, output_do_verbatim,
9790 output_verbatim, verbatim): Use them.
9791 (output_clear): Split into cleat_text_info and
9792 clear_diagnostic_info.
9793 (struct output_state): Move to...
9795 * diagnostic.h: ...Here
9796 (struct output_buffer): Adjust.
9798 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9800 * cpplex.c (parse_name): No longer inline (premature optimization).
9801 (do_pop_context): Fold into pop_context.
9802 (pop_context): Returns int.
9803 (lex_next): Hoist test for end of directive into pop_context.
9804 (push_macro_context): Returns int; takes just reader and token.
9805 Hoist test for excessive nesting to caller.
9806 (push_arg_context): Returns void; takes just reader and token.
9807 Do not call stringify_arg or get_raw_token.
9808 (get_raw_token): Convert tail recursion through push_arg_context
9809 to a loop at this level. Call stringify_arg here if appropriate.
9810 (maybe_paste_with_next): Convert tail recursion to a while loop.
9811 Hoist test of paste_level to caller.
9813 (stringify_arg): Push arg context at beginning.
9814 (cpp_get_token): Split out core into _cpp_get_token. Call
9815 process_directive here. Throw away CPP_PLACEMARKER tokens.
9816 (_cpp_get_token): Convert tail recursion through
9817 push_macro_context to a loop at this level.
9818 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9819 _cpp_get_raw_token): Use _cpp_get_token.
9820 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9821 not call pop_context.
9822 (_cpp_run_directive): Call lex_next directly.
9824 * cpphash.h: Prototype _cpp_get_token.
9825 * cppexp.c (lex): Use it.
9826 * cpphash.c (parse_define): Use it.
9827 * cpplib.c (get_define_node, do_undef, parse_include,
9828 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9829 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9830 parse_ifdef, validate_else): Use it.
9831 (cpp_push_buffer): Tweak error message; abort if anyone tries
9832 to push a buffer while macro expansions are stacked.
9834 2000-07-11 Donn Terry <donnte@microsoft.com>
9836 * cpplex.c (free_macro_args, save_token): Cast arg of free
9837 and/or xrealloc to PTR.
9838 (_cpp_init_input_buffer): Clear all fields of the base context.
9840 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9842 * gensupport.c (process_rtx): Make rtl checking stop
9843 complaining about the define_insn while it is being
9844 converted from a define_insn_and_split.
9846 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9848 * config/mips/mips.c (simple_memory_operand): Access the
9849 INTVAL of the address, not it's containing MEM.
9851 2000-07-11 Bruce Korb <bkorb@gnu.org>
9853 * fixinc/fixtests.c(double_slash): obsolete
9854 (else_endif_label): likewise
9855 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9856 (libc1_ifdefd_memx): correct initial comment
9857 and omit the #if/#endif pair from the memxxx declarations
9858 * fixinc/fixincl.x: regen
9860 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9862 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9864 2000-07-11 Neil Booth <NeilB@earthling.net>
9868 2000-07-11 Neil Booth <NeilB@earthling.net>
9870 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9871 (handle_option): Set digraphs according to standard.
9872 Merge OPT_lang_c89 handler with OPT_std_c89.
9874 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9875 accordance with the digraphs flag.
9877 * cpplib.h: (struct cpp_options): New option digraphs.
9879 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9880 Bruce Korb <bkorb@gnu.org>
9882 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9883 * fixinc/fixincl.x: Regenerate.
9884 * fixinc/tests/base/testing.h: Add testcase.
9886 2000-07-10 Richard Henderson <rth@cygnus.com>
9888 * config/ia64/ia64.c (got_symbolic_operand): New.
9889 (symbolic_operand, move_operand): Revert 0701 change.
9890 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9891 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9892 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9893 split the offset into a 14-bit low part instead of a 13-bit low part.
9894 (load_fptr): Mark the mem as unchanging.
9895 (load_symptr): Use got_symbolic_operand.
9897 2000-07-10 Nick Clifton <nickc@cygnus.com>
9899 * libgcc2.c (next_stack_level): Cast result of computation to
9900 (void **) so that the assignment does not generate a warning.
9902 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9904 * flags.h : Add new variable flag_single_precision_constant.
9905 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9906 (flag_single_precision_constant): New.
9907 * c-lex.c (yylex): Convert floating point constant to single
9909 * invoke.texi : Add documentation for this new option.
9911 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9913 * diagnostic.c (output_octal): Second parameter is unsigned.
9914 (output_long_octal): Likewise.
9915 (output_hexadecimal): Likewise.
9916 (output_long_hexadecimal): Likewise.
9917 (output_format): Adjust arguments extraction. Tweak.
9918 (output_verbatim, verbatim): End variable argument list.
9919 (report_diagnostic): Improve documentation.
9921 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9923 * c-common.h (build_stmt): Declare.
9924 (build_continue_stmt): Likewise.
9925 (build_break_stmt): Likewise.
9926 (build_return_stmt): Likewise.
9928 * c-decl.c (do_case): Rewrite to do what previously done in
9931 * c-semantics.c (build_stmt): Define.
9932 (build_return_stmt): Likewise.
9933 (build_break_stmt): Likewise.
9934 (build_continue_stmt): Likewise.
9935 (build_case_label): Likewise.
9937 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9938 (CONTINUE): Likewise.
9941 (DEFAULT): Likewise.
9943 * c-parse.y: Regenerate.
9944 * c-pasre.c: Likewise.
9946 2000-07-09 Jason Merrill <jason@redhat.com>
9948 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9950 * tree.h (STRIP_NOPS): Check for error_mark_node.
9951 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9952 (dwarf2out_*): Remove duplicate declarations.
9954 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9955 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9957 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9959 * diagnostic.c (wrap_text): New function.
9960 (maybe_wrap_text): Likewise.
9961 (output_add_string): Use it.
9962 (output_format): Likewise.
9963 (count_error): Use verbatim instead of notice.
9964 (report_error_function): Likewise. Don't use plain fprintf.
9965 (finish_diagnostic): New function.
9966 (output_do_verbatim): Tweak. Commonalize functionalities in
9967 output_verbatim and verbatim.
9968 (output_verbatim): Adjust.
9969 (verbatim): Likewise.
9970 (report_diagnostic): Define.
9972 * diagnostic.h (report_diagnostic): Prototype.
9974 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9976 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9978 2000-07-09 Neil Booth <NeilB@earthling.net>
9980 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9981 IShspace, ISspace: Update.
9983 * cppinit.c: ISTABLE: Update.
9986 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9987 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9988 (skip_block_comment, skip_line_comment, parse_string,
9989 lex_line): Use is_vspace rather than IS_NEWLINE.
9990 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9991 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9993 (lex_next): Unconditionally stop if within a directive.
9994 Treat directives within macro invocations as directives
9995 (after parse_args emits error), not as the argument.
9997 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9999 * diagnostic.c (diagnostic_args): New macro.
10000 (diagnostic_msg): Likewise.
10001 (output_formatted_integer): Likewise.
10002 (output_state): New data type.
10003 (digit_buffer): Make global.
10004 (output_add_integer): Rename to output_decimal. Squeeze
10006 (output_long_decimal, output_unsigned_decimal,
10007 output_long_unsigned_decimal, output_octal, output_long_octal,
10008 output_hexadecimal, output_long_hexadecimal): New functions.
10009 (output_append_r): New function.
10010 (output_append): Tweak.
10011 (output_flush_on): Rename to output_to_stream.
10012 (output_format): Change prototype. Improve documentation. Handle
10013 more format specifiers.
10014 (build_location_prefix): Rename to context_as_prefix.
10015 (output_notice): Rename to output_do_printf.
10016 (output_printf): Tweak.
10017 (line_wrapper_printf): Likewise.
10018 (vline_wrapper_message_with_location): Adjust call to renamed
10020 (v_message_with_decl): Likewise.
10021 (default_print_error_function): Likewise.
10022 (save_output_state): New function.
10023 (restore_output_state): Likewise.
10024 (output_do_verbatim): Likewise.
10025 (output_verbatim): Define.
10026 (verbatim): Likewise.
10028 * diagnostic.h (printer_fn): Change return type from void to int.
10029 Improve documentation.
10030 (output_add_integer): Rename to output_decimal.
10031 (output_flush_on, output_format): Don't export.
10032 (output_verbatim, verbatim): Declare.
10034 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10036 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10037 Check whether c divides op1 exactly if operation is not
10040 2000-07-08 Richard Henderson <rth@cygnus.com>
10042 * final.c (final): Do not abort when reg-stack introduces
10045 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10047 * cpplib.h (struct cpp_name): Now struct cpp_string.
10048 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10049 CPP_HEADER_NAME): Change to type S.
10050 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10051 field, a cpp_hashnode *. All references to val.name updated
10052 to use val.str or val.node as appropriate.
10053 (struct cpp_reader): Add spec_nodes field.
10054 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10056 * cpphash.h (struct spec_nodes): New.
10057 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10058 val.str. All references to 'spelling > SPELL_NONE' updated to
10061 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10062 pfile->buffer->inc are not NULL before dereferencing them.
10064 * cpplex.c (parse_name): Take a pointer to the current token,
10065 plus current position and limit as args; return the new
10066 position; don't copy the text of a name into the string
10067 buffer, instead call cpp_lookup and store the node pointer.
10068 If extending a token, copy out the text of the old into a
10069 scratch buffer, append the new, look that up and store the new
10070 node pointer. Inline.
10071 (maybe_paste_with_next): If the result of paste is a NAME,
10072 then look up the pasted text and store its node pointer.
10073 (lex_line): Adjust for new parse_name interface.
10074 Check for L"str", L'str' using spec_nodes->n_L.
10075 (spell_token): SPELL_IDENT tokens have their spelling in
10076 val.node->name. Handle SPELL_STRING tokens that don't have
10078 (_cpp_expand_name_space,
10079 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10080 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10081 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10082 return 1=equal 0=not, not a tristate.
10084 * cpphash.c (var_args_str): Delete.
10085 (find_param): Compare node fields directly.
10086 (is__va_args__): Use CPP_PEDANTIC. Just compare
10087 token->val.node with spec_nodes->n__VA_ARGS__.
10088 (dump_funlike_macro): Don't use var_args_str.
10090 * cpplib.c (_cpp_check_directive): Just walk through
10091 spec_nodes->dirs comparing pointers.
10092 (get_define_node, do_pragma_poison, detect_if_not_defined,
10093 parse_ifdef): The identifier has already been looked up.
10094 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10096 (do_if): Only call detect_if_not_defined at beginning of file.
10097 (_cpp_parse_assertion): Only copy string pointers for
10098 SPELL_STRING tokens.
10099 (pragma_dispatch): Take a node pointer and examine its name
10101 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10103 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10105 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10106 reverse order from the corresponding _cpp_init_* routines.
10108 * cppexp.c (parse_number, parse_charconst, parse_defined,
10109 lex): Check val.node->type instead of calling cpp_defined.
10110 Use spec_nodes entries where appropriate.
10112 * fix-header.c, scan-decls.c: Update for interface changes.
10114 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10116 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10117 emitting aux_truncdfsf2.
10119 2000-07-03 Donn Terry (donnte@microsoft.com)
10121 * cppinit.c (print_help): split overlong line into ISO C89
10124 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10126 * cppexp.c: Update all code for new lexer interface.
10127 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10128 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10129 * cpplex.c (token_names): Trim leading CPP_ from names; make
10130 the strings unsigned.
10131 (_cpp_spell_operator): New.
10132 (is_macro_disabled): Disable all macros if rescanning
10134 (_cpp_get_directive_token): Remove.
10136 * cppinit.c: Don't set no_macro_expand.
10137 * cpplib.c (read_line_number, do_line): Check only for EOF,
10139 * cpphash.h: Update prototypes.
10140 * cpplib.h (CPP_VSPACE): Remove.
10141 (struct cpp_reader): Remove no_macro_expand.
10143 2000-07-08 Neil Booth <NeilB@earthling.net>
10145 * cpphash.c (is__va_args__): New function.
10146 (count_params): Fix line reported in error messages. Use
10147 is__va_args__. Don't return ')' on error. Flag GNU style
10148 rest args macro definitions.
10149 (parse_define): Check macro name is not __VA_ARGS__.
10150 (save_expansion): Check identifier in non-varargs-macro is
10151 not __VA_ARGS__. Don't flag GNU_VARARGS.
10152 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10153 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10154 than per-token GNU_VARARGS.
10155 * cpplib.h (GNU_VARARGS): Remove.
10156 (GNU_REST_ARGS): New.
10158 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10160 * i386.md (call_pop, call, call_value_pop): Do not set
10161 current_function_uses_pic_offset_table for calls to static
10162 functions or indirect calls.
10164 2000-07-07 Jim Wilson <wilson@cygnus.com>
10166 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10167 is_predicate_reg, then take max write_count of register pair.
10169 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10171 * tradcpp.c (main): Rename label `include' to `add_include' to
10172 avoid conflicts with variable `include' in traditional C.
10174 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10176 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10178 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10180 * sibcall.c (uses_addressof): Add INMEM argument, check for
10181 current_function_internal_arg_pointer outside of MEM rtxs in addition
10183 (sequence_uses_addressof): Update caller.
10185 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10187 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10190 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10192 * system.h (UNION_INIT_ZERO): New macro for initializing union
10193 members in structs.
10195 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10197 2000-07-07 Neil Booth <NeilB@earthling.net>
10199 * cpp.texi: Update.
10201 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10203 * final.c (final): Detect out of bounds array access to
10204 the insn_lengths array.
10206 2000-07-07 Kazu Hirata <kazu@hxi.com>
10208 * fold-const.c (fold): Fix a comment typo.
10210 2000-07-07 Neil Booth <NeilB@earthling.net>
10212 * cpp.texi: Update to new lexer.
10214 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10216 * tradcpp.c: New file.
10217 * tradcif.y: New file.
10218 * tradcif.c: New generated file.
10220 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10221 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10222 dependencies of C. Install tradcpp from install-common, in
10225 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10227 * cppinit.c: Include cppdefault.h. Refer to
10228 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10229 to GCC_INCLUDE_DIR and its length.
10230 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10231 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10232 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10234 (include_defaults_array): Move to cppdefault.c.
10236 * cppdefault.h: New file.
10237 * cppdefault.c: New file.
10239 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10240 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10241 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10244 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10246 * reload.c (push_reload): When seeing if can reuse a register,
10247 check extra registers against widest of INMODE and OUTMODE.
10249 2000-07-06 Neil Booth <NeilB@earthling.net>
10251 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10252 based on full length of predicate.
10254 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10256 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10257 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10259 2000-07-05 Kazu Hirata <kazu@hxi.com>
10261 * h8300-proto.h: Fix formatting.
10262 * h8300.c: Likewise.
10263 * h8300.h: Likewise.
10265 2000-07-05 Jim Wilson <wilson@cygnus.com>
10267 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10270 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10272 * invoke.texi: Fix minor typos
10273 * md.texi: Fix minor typos
10275 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10277 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10279 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10281 * cpplex.c: Don't include sys/mman.h.
10282 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10284 * cpplib.c: Include sys/mman.h and obstack.h.
10285 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10287 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10288 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10289 bother freeing if stack entries (they will be freed with their buffer).
10290 (do_endif): Free if stack entries from the buffer obstack.
10291 (push_conditional): Allocate if stack entries from the buffer obstack.
10293 (find_answer): Rename to _cpp_find_answer.
10294 (do_assert, do_unassert): Update.
10296 * cpphash.h: Update prototypes.
10297 (xobnew): New convenience macro.
10298 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10300 (struct cpp_hashnode): Remove disabled field.
10302 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10303 (report_missing_guard): Moved to cppfiles.c.
10304 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10306 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10307 cpp_cleanup_includes. Don't destroy hashtab or
10308 all_include_files here.
10309 (cpp_finish): Use _cpp_report_missing_guards.
10311 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10312 (_cpp_init_include_table): Rename _cpp_init_includes.
10313 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10315 * cppexp.c (parse_assertion): Update for new name of
10318 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10320 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10322 * cpplib.c (do_ident): s/VSPACE/EOF/
10324 2000-07-05 Neil Booth <NeilB@earthling.net>
10326 * cpplex.c: Fix trigraph replacement within strings.
10328 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10330 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10332 * xcoffout.c (assign_type_number): Constify.
10333 (xcoffout_source_file): Add static prototype. Don't needlessly
10334 cast away const-ness.
10336 2000-07-04 Jason Merrill <jason@redhat.com>
10338 * frame.h (frame_state): Move base_offset to end.
10340 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10342 * calls.c (emit_library_call_value_1): Revert previous change.
10344 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10346 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10347 (recognized_extern, recognized_function, read_scan_file):
10348 Update for new scheme.
10349 (check_protection): It's still a multiple include guard even
10350 if it doesn't always trigger.
10351 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10353 * scan.h: Declare struct cpp_token. Update prototypes.
10355 2000-07-03 Neil Booth <neilb@earthling.net>
10356 Zack Weinberg <zack@wolery.cumb.org>
10358 Complete overhaul of the lexer and macro expander.
10360 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10361 arg, arglist, argdata, reflist, collect_objlike_expansion,
10362 collect_funlike_expansion, collect_params,
10363 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10364 unsafe_chars, macarg, compare_defs, special_symbol,
10365 scan_arguments, stringify, funlike_macroexpand,
10366 _cpp_quote_string, monthnames): Delete.
10367 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10368 _cpp_create_definition, _cpp_dump_definition,
10369 dump_hash_helper): Adjust.
10370 (find_param, count_params, parse_define, var_args_str,
10371 check_macro_redefinition, save_expansion): New.
10373 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10374 parse_string, output_line_command, trigraph_replace,
10375 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10376 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10377 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10378 _cpp_skip_rest_of_line): Modify.
10380 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10381 find_position, null_warning, bump_column, expand_name_space,
10382 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10383 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10384 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10385 _cpp_prescan): Delete.
10387 (dump_param_spelling, process_directive, lex_next,
10388 is_macro_disabled, stringify_arg, expand_context_stack,
10389 output_token, make_string_token, alloc_number_token,
10390 special_symbol, duplicate_token, maybe_paste_with_next,
10391 can_paste, prevent_macro_expansion, restore_macro_expansion,
10392 get_temp_token, release_temp_tokens, quote_string,
10393 token_names, token_spellings, _cpp_expand_name_space,
10394 _cpp_glue_header_name, _cpp_reserve_name_space,
10395 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10396 placemarker_token, eof_token, cpp_context, macro_args,
10397 get_raw_token, parse_arg, parse_args, save_token,
10398 push_arg_context, push_macro_context, pop_context,
10399 do_pop_context, free_macro_args, _cpp_get_line,
10400 _cpp_run_directive): New.
10402 * cpplib.c (validate_else, parse_include, push_conditional,
10403 pass_thru_directive, read_line_number, parse_ifdef,
10404 detect_if_not_defined, _cpp_check_directive, do_define,
10405 do_undef, do_include, do_import, do_include_next, do_error,
10406 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10407 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10408 do_pragma_poison, do_pragma_system_header,
10409 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10410 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10411 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10412 cpp_defined): Update for new scheme.
10413 (strtoul_for_line, get_define_node, dump_macro_name,
10414 _cpp_check_linemarker, _cpp_parse_assertion): New.
10415 (_cpp_handle_directive, do_pragma_default): Delete.
10417 * cpphash.h (struct predicate): Now struct answer.
10418 (enum spell_type, struct token_spelling, struct directive,
10419 directive_handler): New.
10420 Update prototypes. Remove unused macros.
10421 * cpplib.h: Update prototypes. Remove unused macros,
10422 structure definitions, and fields.
10424 * cpperror.c (print_containing_files, v_message): Adjust.
10425 * cppexp.c (parse_assertion, lex, parse_escape,
10426 _cpp_parse_expr): Adjust.
10427 * cppfiles.c (open_include_file, _cpp_execute_include,
10428 _cpp_compare_file_date, cpp_read_file, read_include_file):
10430 * cppinit.c (dump_special_to_buffer): Delete.
10431 (append_include_chain, merge_include_chains, cpp_reader_init,
10432 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10433 cpp_finish, handle_option, print_help): Adjust.
10434 * cppmain.c (main): Adjust.
10436 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10438 * cppspec.c (lang_specific_driver): Use double quotes in error
10441 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10443 * calls.c (emit_library_call_value_1): Use valreg instead
10444 of hard_libcall_value.
10446 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10448 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10449 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10450 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10458 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10459 mode instead of wider_mode is being used.
10461 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10463 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10464 of 'r'. Use q_regs_operand.
10465 (andsi_1+2): Use q_regs_operand.
10467 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10469 * builtins.c (get_memory_rtx): Always put into alias set 0.
10471 2000-07-03 Nick Clifton <nickc@cygnus.com>
10473 * config/arm/arm.md: Fix post increment and pre increment
10474 peepholes so that they do not generate UNPREDICATBLE opcodes.
10475 (ie ones where the increment clobbers the source/destination).
10477 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10479 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10480 change too big for -mtiny-stack" a warning, if larger than 63.
10481 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10482 always safe to use on possible future devices.
10483 (function_prologue): Write SPH before SPL, for consistency.
10484 If interrupt_func_p true, we know we have enabled interrupts.
10485 (avr_num_arg_regs): New function. Round up to even number of
10486 bytes if no -mpack-args or if calling a libgcc function.
10487 (function_arg, function_arg_advance): Use it.
10488 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10489 Output "movw" if available.
10490 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10491 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10492 (asm_output_section_name): Add blanks for consistent output.
10493 (encode_section_info): Set TREE_READONLY for progmem data to
10494 avoid gas warnings about changed section attributes.
10495 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10496 even numbered registers on devices with "movw".
10497 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10498 (TARGET_SWITCHES): Mark help strings for translation.
10499 Add new -mpack-args and -menhanced switches.
10500 (TARGET_OPTIONS): Mark help strings for translation.
10501 (progmem_section): Add section attributes.
10502 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10503 Output "movw" if available.
10504 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10506 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10507 call convention (arguments aligned on even registers).
10508 (_cleanup, _exit): Make weak symbols libc can override.
10510 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10512 * fp-bit.h: New file.
10514 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10515 Comment #endif statements.
10516 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10518 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10520 * gcse.c (compute_pre_data): Compute ae_kill using other local
10521 properties instead of calling compute_ae_kill.
10523 * alias.c (init_alias_analysis): Do not call
10524 prologue_epilogue_contains until after reload has completed.
10526 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10528 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10529 (genrtl_finish_compound_stmt): Likewise.
10530 (genrtl_compound_stmt): Change to return void.
10532 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10533 move code from here to ...
10534 (genrtl_compound_stmt): ... here.
10535 (genrtl_finish_compound_stmt): Remove.
10536 (expand_stmt): Add comment.
10538 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10540 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10543 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10545 * cpplib.h (struct cpp_reader): New field include_depth.
10546 (struct cpp_printer): Rename last_bsd to last_id.
10547 * cppfiles.c (read_include_file): Bump include_depth.
10548 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10549 (output_line_command): Output correct #line if a header
10550 is including itself and is not protected against multiple inclusion.
10551 Use include_depth instead of buffer_stack_depth, last_id instead of
10553 * cppinit.c (cpp_start_read): Initialize last_id instead of
10556 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10558 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10559 (c-semantics.o): New target.
10561 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10562 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10563 (genrtl_clear_out_block): Likewise.
10564 (genrtl_goto_stmt): Likewise.
10565 (genrtl_expr_stmt): Likewise.
10566 (genrtl_decl_stmt): Likewise.
10567 (genrtl_if_stmt): Likewise.
10568 (genrtl_while_stmt): Likewise.
10569 (genrtl_do_stmt): Likewise.
10570 (genrtl_return_stmt): Likewise.
10571 (genrtl_for_stmt): Likewise.
10572 (genrtl_break_stmt): Likewise.
10573 (genrtl_continue_stmt): Likewise.
10574 (genrtl_scope_stmt): Likewise.
10575 (genrtl_switch_stmt): Likewise.
10576 (genrtl_case_label): Likewise.
10577 (genrtl_begin_compound_stmt): Likewise.
10578 (gerntl_finish_compound_stmt): Likewise.
10579 (genrtl_compound_stmt): Likewise.
10580 (genrtl_asm_stmt): Likewise.
10581 (genrtl_decl_cleanup): Likewise.
10582 (DECL_ANON_UNION_ELEMS): Likewise.
10583 (emit_local_var): Likewise.
10584 (make_rtl_for_local_static): Likewise.
10585 (expand_cond): Likewise.
10586 (expand_stmt): Likewise.
10587 (c_expand_return): Likewise.
10588 (c_expand_start_case): Likewise.
10589 (do_case): Likewise.
10590 (COMPOUND_STMT_NO_SCOPE): Likewise.
10591 (c_expand_asm_operands): Likewise.
10592 (NEW_FOR_SCOPE_P): New macro.
10593 (expand_expr_stmt_fn): New type.
10595 (set_current_function_name_declared): Likewise.
10596 (current_function_name_declared): Likewise.
10597 (lang_expand_stmt): Likewise.
10598 (stmts_are_full_exprs_p): Likewise.
10599 (anon_aggr_type_p): Likewise.
10600 (lang_expand_expr_stmt): Likewise.
10601 (build_case_label): Likewise.
10603 * c-decl.c (lang_expand_expr_stmt): Initialize.
10604 (stmts_are_full_exprs_p): Define.
10605 (current_function_name_declared): Likewise.
10606 (do_case): Likewise.
10607 (lang_expand_stmt): Likewise.
10608 (set_current_function_name_declared): Likewise.
10609 (anon_aggr_type_p): Likewise.
10611 * c-semantics.c: New file.
10612 (expand_cond): Moved from cp/semantics.c.
10613 (genrtl_do_pushlevel): Likewise.
10614 (genrtl_clear_out_block): Likewise.
10615 (genrtl_goto_stmt): Likewise.
10616 (genrtl_expr_stmt): Likewise.
10617 (genrtl_decl_stmt): Likewise.
10618 (genrtl_if_stmt): Likewise.
10619 (genrtl_while_stmt): Likewise.
10620 (genrtl_do_stmt): Likewise.
10621 (genrtl_return_stmt): Likewise.
10622 (genrtl_for_stmt): Likewise.
10623 (genrtl_break_stmt): Likewise.
10624 (genrtl_continue_stmt): Likewise.
10625 (genrtl_scope_stmt): Likewise.
10626 (genrtl_switch_stmt): Likewise.
10627 (genrtl_case_label): Likewise.
10628 (genrtl_begin_compound_stmt): Likewise.
10629 (genrtl_finish_compound_stmt): Likewise.
10630 (genrtl_compound_stmt): Likewise.
10631 (genrtl_asm_stmt): Likewise.
10632 (genrtl_decl_cleanup): Likewise.
10633 (make_rtl_for_local_static): Moved from cp/decl.c.
10634 (emit_local_var): Likewise.
10635 (expand_stmt): Define.
10637 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10638 (c_expand_return): Likewise.
10639 (c_expand_start_case): Likewise.
10641 2000-07-01 Richard Henderson <rth@cygnus.com>
10643 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10644 with the low 13 bits set.
10645 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10646 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10647 of the low 13 bits into a CONST plus an adddi3.
10648 (load_symptr): Set RTX_UNCHANGING_P.
10650 See ChangeLog.3 for earlier changes.