1 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
3 * gcc.c (cpp_options): Add spec for -ftabstop=.
4 (invoke_as): New spec that handles invoking as.
5 Update specs to handle -save-temps and -traditional.
6 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
8 * cp/lang-specs.h, objc/lang-specs.h: Update to use
9 invoke_as, and handle -save-temps and -traditional (if
12 2000-09-26 Jakub Jelinek <jakub@redhat.com>
14 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
16 (function_arg_slotno): Accept TImode/CTImode.
17 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
20 2000-09-26 Michael Hayes <mhayes@cygnus.com>
22 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
25 2000-09-25 Jim Wilson <wilson@cygnus.com>
27 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
28 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
29 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
30 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
32 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
34 * cpplex.c (parse_args): Don't set VOID_REST flag.
35 (CONTEXT_VARARGS): New flag.
36 (maybe_paste_with_next): Set context earlier in loop. Use
37 it. Do varargs test with CONTEXT_VARARGS flag.
38 (push_arg_context): Set CONTEXT_VARARGS flag if we're
39 pushing an argument context for a varargs argument.
40 * cpplib.h (VOID_REST): Delete.
41 * gcc.dg/cpp/vararg1.c: Add test case.
43 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
45 * flags.h: Declare warning flag warn_system_headers.
46 * toplev.c: Define it.
47 (W_options): Add option -Wsystem-headers.
48 * diagnostic.c (count_error): Test warn_system_headers.
49 * invoke.texi: Add description for -Wsystem-headers.
50 * cpplib.h (cpp_options): New member warn_system_headers.
51 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
53 * cpplib.c (do_import, do_pragma_once): Likewise.
54 * cpperror.c (_cpp_begin_message): Test warn_system_headers
55 and CPP_IN_SYSTEM_HEADER.
56 * cppinit.c (handle_option): Recognize -Wsystem_headers.
57 (print_help): Describe -Wsystem_headers.
58 * cpplex.c (lex_line): Reorganize condition so that warnings
59 about C++ comments in system headers can be enabled. Remove
60 label do_line_comment.
62 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
64 * cpplex.c (save_comment): Only store the initial '/'
66 (lex_token): Combine handling of the two comment types.
67 Pass everything but the initial '/' to save_comment.
69 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
71 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
72 _cpp_can_paste): New library-internal prototypes.
73 * cpplex.c (dump_param_spelling, output_line_command,
74 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
75 cpp_printf, cpp_output_list): Move to cppoutput.c.
76 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
77 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
79 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
80 dump_param_spelling, output_line_command, cpp_scan_buffer,
81 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
83 * Makefile.in: Add cppoutput.c.
84 * po/POTFILES.in: Add cppoutput.c.
86 2000-09-25 Richard Henderson <rth@cygnus.com>
88 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
89 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
90 split until after reload.
91 (rotlsi3, rotldi3): New.
93 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
95 * diagnostic.c (output_last_position): Define.
96 (set_real_maximum_length): Tweek.
97 * diagnostic.h (output_last_position): Declare.
99 2000-09-25 Kazu Hirata <kazu@hxi.com>
101 * config/i386/i386.c: Fix formatting.
103 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
105 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
106 UNITS_PER_WORD is small.
108 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
110 * c-common.c (format_char_info): Add flags2; update comments.
111 (print_char_table, scan_char_table, time_char_table): Split some
112 flags out into flags2.
113 (check_format_info): Use flags2 for those flags, for identifying
114 the initial character of a scanf scanset, and for identifying
115 printf formats where the '0' flag is ignored with precision.
117 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
119 Changes below marked "here" add TABs on either or both sides,
120 covering start of line, up to any operand for all noted .*ASM.*_OP
121 definitions. All callers changed.
122 * tm.texi: Make documented *_ASM.*_OP:s include spacing
123 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
124 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
125 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
126 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
127 Fix typos in description for LONG_LONG_TYPE_SIZE and
129 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
130 why these defaults don't have leading spacing.
131 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
132 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
133 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
134 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
135 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
136 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
137 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
138 * varasm.c (ASM_STABS_OP): Here.
139 * xcoffout.h (ASM_STABS_OP): Here.
140 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
141 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
142 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
143 STRING_ASM_OP): Here.
144 * config/freebsd.h (IDENT_ASM_OP): Here.
145 * config/linux-aout.h (SET_ASM_OP): Here.
146 * config/linux.h (SET_ASM_OP): Here.
147 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
149 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
150 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
151 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
152 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
154 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
155 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
156 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
157 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
158 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
159 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
160 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
161 * config/a29k/udi.h (INT_ASM_OP): Here.
162 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
163 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
165 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
166 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
167 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
168 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
170 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
171 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
172 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
173 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
174 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
175 SIZE_ASM_OP, STRING_ASM_OP): Here.
176 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
177 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
178 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
179 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
180 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
181 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
183 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
184 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
185 * config/arm/coff.h (INT_ASM_OP): Here.
186 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
187 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
188 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
189 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
190 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
191 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
192 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
193 STRING_ASM_OP): Here. Update documentation copy in comments.
194 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
195 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
196 DATA_SECTION_ASM_OP): Here.
197 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
199 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
200 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
201 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
202 BSS_SECTION_ASM_OP): Here.
203 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
204 BSS_SECTION_ASM_OP): Here.
205 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
207 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
208 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
209 * config/h8300/h8300.h (ASM_WORD_OP): Here.
210 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
211 BSS_SECTION_ASM_OP): Here.
212 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
213 * config/i386/bsd.h (ASM_BYTE_OP): Here.
214 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
215 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
216 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
218 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
219 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
221 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
222 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
223 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
224 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
226 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
227 * config/i386/netbsd.h (INT_ASM_OP): Here.
228 * config/i386/openbsd.h (INT_ASM_OP): Here.
229 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
231 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
232 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
233 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
234 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
235 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
236 SHARED_BSS_SECTION_ASM_OP): Here.
237 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
238 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
239 DATA_SECTION_ASM_OP): Here.
240 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
241 CONST_SECTION_ASM_OP): Here.
242 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
243 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
244 BSS_SECTION_ASM_OP): Here.
245 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
246 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
247 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
248 BSS_ASM_OP): Here, but use trailing spaces.
249 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
250 DATA_SECTION_ASM_OP): Here.
251 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
253 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
254 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
255 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
256 TDESC_SECTION_ASM_OP): Here.
257 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
258 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
259 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
261 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
262 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
263 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
264 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
265 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
266 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
267 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
268 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
269 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
270 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
271 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
272 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
274 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
275 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
276 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
277 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
278 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
279 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
280 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
281 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
282 GLOBAL_ASM_OP): Here.
283 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
284 BSS_SECTION_ASM_OP): Here.
285 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
286 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
287 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
288 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
290 * config/m68k/newsgas.h (SET_ASM_OP): Here.
291 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
292 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
293 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
294 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
295 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
296 but use trailing spaces.
297 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
298 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
299 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
301 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
302 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
303 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
304 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
305 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
306 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
307 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
308 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
309 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
310 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
311 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
312 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
314 * config/m88k/openbsd.h (SET_ASM_OP): Here.
315 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
316 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
317 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
318 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
319 DTORS_SECTION_ASM_OP): Here.
320 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
321 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
322 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
323 BSS_SECTION_ASM_OP): Here.
324 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
325 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
326 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
327 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
328 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
329 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
330 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
331 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
333 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
335 * config/mips/osfrose.h (SET_ASM_OP): Here.
336 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
337 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
338 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
339 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
341 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
342 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
343 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
344 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
345 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
346 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
348 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
350 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
351 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
352 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
354 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
355 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
356 * config/sparc/linux.h (COMMON_ASM_OP): Here.
357 * config/sparc/linux64.h (COMMON_ASM_OP,
358 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
359 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
360 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
361 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
362 * config/sparc/pbd.h (ASM_INT_OP): Here.
363 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
364 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
365 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
366 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
367 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
368 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
369 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
370 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
371 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
372 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
373 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
374 EH_FRAME_SECTION_ASM_OP): Here.
375 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
376 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
378 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
380 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
381 TCOMMON_ASM_OP): Here.
382 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
384 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
387 2000-09-25 Richard Henderson <rth@cygnus.com>
389 * expmed.c (store_bit_field): Adjust last change to not consider
390 any word-sized field naturally aligned.
392 2000-09-24 Richard Henderson <rth@cygnus.com>
394 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
395 TFmode unordered compares properly. Revalidate integer compare
397 (alpha_emit_setcc): New.
398 (alpha_emit_conditional_move): Revalidate integer compare operands.
399 * config/alpha/alpha-protos.h: Update.
400 * config/alpha/alpha.md (cmpdi): Allow general operands.
401 (sne): Use alpha_emit_setcc.
402 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
403 (sunordered, sordered): New.
405 2000-09-24 Richard Henderson <rth@cygnus.com>
407 * config/ia64/ia64-protos.h: Update.
408 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
409 (ia64_expand_call): New.
410 (ia64_expand_prologue): Emit an alloc if we need extra input
412 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
414 (struct reg_flags): Add is_sibcall.
415 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
416 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
417 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
418 * config/ia64/ia64.h (PREDICATE_CODES): Update.
419 * config/ia64/ia64.md (call): Use ia64_expand_call.
420 (call_value): Likewise.
421 (sibcall, sibcall_value): New.
422 (call patterns): Remove extra expanders; tidy.
423 (sibcall_epilogue): New.
424 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
426 2000-09-24 Richard Henderson <rth@cygnus.com>
428 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
430 * sibcall.c (skip_pic_restore): New.
431 (identify_call_return_value): Use it.
433 2000-09-24 Mark Mitchell <mark@codesourcery.com>
435 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
436 functions. Generalize to handle both C and C++.
437 * Makefile.in (c-tree.info): New target.
438 (info): Add c-tree.info.
440 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
442 * expr.c (store_field): If BITSIZE is negative, use size of type.
443 (expand_expr, case COMPONENT_EXPR): Likewise.
445 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
447 * cpplex.c: Update TODO comment.
448 * cpplib.c (do_error, do_warning): Merge common code of
449 do_error and do_warning into do_diagnostic. Use it.
450 (do_diagnostic): New function.
451 * cpplib.h: Fix comment typo.
453 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
455 * c-common.c (check_format_info): Warn for a wide character string
456 used as a non-wide format argument.
458 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
460 * builtins.def (BUILT_IN_LLABS): Add.
461 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
462 * c-common.c (c_common_nodes_builtins): Create builtin functions
463 __builtin_llabs, and plain llabs unless no_nonansi_builtins
465 (expand_tree_builtin): Handle BUILT_IN_LLABS.
467 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
469 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
470 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
471 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
472 _cpp_free_toklist): No need to worry about extra dummy token
473 at the start of token lists any more.
474 (trigraph_ok): Only warn outside comments.
475 (skip_block_comment): Set and clear lexing_comment.
476 (skip_line_comment): Take a cpp_reader not cpp_buffer.
477 Set and clear lexing_comment.
478 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
479 (check_long_token): Delete.
480 (lex_percent, lex_dot): New subroutines of lex_token to
481 handle lexing of '.' and '%' without lookback.
482 (lex_token): Use lex_dot and lex_percent.
483 (lex_line): Don't check for LIST_OFFSET.
484 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
485 * cpplib.c (_cpp_parse_assertion): Similarly.
486 (cpp_push_buffer): Initialize extra_char.
487 * cpplib.h (LIST_OFFSET): Delete.
488 (struct cpp_buffer): New member extra_char.
489 (struct lexer_state): New members lexing_comment and seen_dot.
491 2000-09-23 Jason Merrill <jason@redhat.com>
493 * config/rs6000/x-aix41 (CLIB): Define here.
494 * config/rs6000/t-aix43: Not here.
495 * config/rs6000/t-aix41: Or here. Remove.
496 * configure.in: Don't use it.
498 2000-09-22 Jason Merrill <jason@redhat.com>
500 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
501 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
502 * config.in: Regenerate.
504 * configure.in: Fix checks for assembler features when using a
505 one-tree assembler that has not yet been built.
506 Fix --disable-threads.
508 2000-09-19 Geoff Keating <geoffk@cygnus.com>
510 * stmt.c (expand_asm_operands): Allow # in constraints.
512 2000-09-22 Jason Merrill <jason@redhat.com>
514 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
516 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
517 function-local names.
519 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
520 Mark Mitchell <mark@codesourcery.com>
522 * toplev.c (warn_disabled_optimization): Declare new warning flag.
523 * flags.h (warn_disabled_optimization): Add it here.
524 * gcse.c (gcse_main): Add warning when disabled.
525 * invoke.texi: Document -Wdisabled-optimization.
527 2000-09-21 Jason Merrill <jason@redhat.com>
529 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
531 * dwarf2out.c (tree_add_const_value_attribute): New fn.
532 (gen_variable_die): Call it for non-definitions.
534 * dwarf2out.c (die_struct): Add die_mark field.
535 (mark_dies, unmark_dies): New fns.
536 (clear_die_sizes): Remove.
537 (print_die): Check die_symbol rather than die_offset.
538 (build_abbrev_table, output_pubnames, output_aranges): Check
539 die_mark rather than die_offset.
540 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
543 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
545 * cppfiles.c (lookup_include_file): Rename to open_file.
546 Always create a splay tree value, even on syscall failures.
547 Negative entries indicated by fd == -2.
548 Re-open files closed in the meantime.
549 (_cpp_fake_include): Create a negative splay tree entry.
550 (find_include_file, cpp_read_file): Update for function name
552 * gcc.gd/cpp/mi4.c: Testcase.
554 2000-09-21 Nick Clifton <nickc@redhat.com>
556 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
559 * config/mcore/mcore.c: Fix compile time warnings.
560 * config/mcore/mcore-protos.h: Fix compile time warnings.
562 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
564 * configure.in: Correct test of gcc_cv_glibc.
565 * configure: Rebuilt.
566 * config.in: Rebuilt.
568 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
570 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
571 (expand_builtin): Handle BUILT_IN_FWRITE.
573 * builtins.def (BUILT_IN_FWRITE): New entry.
575 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
577 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
579 * gcc.c (modify_target): New variable and struct.
580 (process_command): Handle MODIFY_TARGET_NAME.
581 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
582 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
584 * c-decl.c (finish_decl): Add else's to avoid referencing
585 TYPE_DOMAIN of an ERROR_MARK.
587 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
589 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
592 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
594 * config/avr/avr.md (neghi2): Add alternative for input and output
595 operands in different registers, as in negsi2.
596 (*negsi2): Remove '*' from the name. Use "movw" if available.
598 2000-09-19 Jim Wilson <wilson@cygnus.com>
600 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
601 HAVE_GAS_HIDDEN macro.
603 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
605 * cpplex.c (lex_line): Drop the EOF token for unknown
606 directives in assembler.
608 2000-09-19 David Edelsohn <edelsohn@gnu.org>
610 * configure.in: Allow enable_threads_flag value of "aix". Define
611 thread_file as "aix" for AIX 4.3 and above.
612 * configure: Regenerated.
614 * gthr-aix.h: New file.
616 * rs6000/t-aix43: Replace soft-float multilib with pthread.
617 Remove 403 processor multilib match. Fix rios2 processor multilib
620 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
621 to return to appropriate csect.
623 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
625 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
627 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
628 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
631 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
634 * c-common.c (init_function_format_info): Handle __builtin_printf.
635 Set `check_function_format_ptr'.
636 (c_common_nodes_and_builtins): Set `puts_ftype' and
637 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
638 __builtin_printf and printf.
640 * tree.c, tree.h (check_function_format_ptr): Declare.
642 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
644 * cppfiles.c (read_include_file): Take no special action for
647 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
649 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
650 rather than that of branch.
651 (shorten_branches): Don't increment insn_current_address twice.
653 Undo most of the Wed Jan 27 23:39:53 1999 patch:
654 * loop.h (struct induction): Delete members derived, ix and last_use.
655 (struct loop_ivs): Delete members first_increment_giv and
657 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
658 recombine_givs): Delete functions.
659 (find_and_verify_loops): Don't initialize cont_dominator.
660 (strength_reduce): Lose code to try to find bivs that can be
661 expressed as givs of another biv, and to convert biv increments
663 Lose loop_scan_start variable, always use loop->scan_start.
664 Don't call recombine_givs. Don't handle derived givs.
665 (record_giv): Don't initialize derived and last_use fields.
666 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
668 * unroll.c (derived_regs): Delete static variable.
669 (unroll_loop): Don't initialize it.
670 (copy_loop_body): Lose code to handle derived givs.
671 (find_splittable_givs): Don't check for givs made from biv
673 Don't set derived_regs.
675 Fix misapplied earlier patch:
676 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
678 (floatsisf2): Generate floatsisf_ie by default.
679 (floatsisf_i4): Conditional on TARGET_SH4.
681 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
682 predicate for the expanders.
684 2000-09-19 Richard Henderson <rth@cygnus.com>
686 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
687 in addition to pentium and pentiumpro symbols.
688 (CPP_CPU_DEFAULT_SPEC): Likewise.
690 * c-typeck.c (c_expand_asm_operands): Restore the output tree
693 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
694 if the tree has side effects.
695 (warn_if_unused_value): Do not warn about void constructs.
697 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
699 * unroll.c (copy_loop_body): Update LABEL_NUSES before
702 2000-09-18 Geoff Keating <geoffk@cygnus.com>
704 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
707 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * Makefile.in (c-common.o): Depend on diagnostic.h.
711 * c-common.c: Include diagnostic.h.
713 (status_warning): New function.
714 (check_format_info, maybe_read_dollar_number, check_format_types,
715 finish_dollar_format_checking, check_function_format): Accept a
716 `status' parameter. All callers changed.
718 * c-common.h (check_function_format): Accept a `status' parameter.
720 * c-typeck.c: Update call to `check_function_format'.
722 2000-09-18 Richard Henderson <rth@cygnus.com>
724 * c-decl.c (c_expand_body): Call mark_varargs before
725 expand_function_start.
727 2000-09-18 Geoff Keating <geoffk@cygnus.com>
729 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
730 * config/rs6000/eabi-ci.asm: Likewise.
732 2000-09-18 Richard Henderson <rth@cygnus.com>
734 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
737 2000-09-18 Jim Wilson <wilson@cygnus.com>
739 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
740 before passing it to fold_rtx_mult_add.
742 * unroll.c (final_giv_value): Pass increment through
743 extend_value_for_giv before passing it to emit_iv_add_mult.
745 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
746 paradoxical subreg, then directly substitute the replacement and
749 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
751 * cpp.texi: Update documentation, including some clarifications,
752 the treatment of various newline combinations, and space between
753 backslash and newline.
755 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
757 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
758 Replace ASM_OUTPUT_LABELREF with assemble_name.
760 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
762 * sh.c (addsubcosts): CONST is not cheap.
763 (find_barrier): For Sh1, take alignment after jumps into account.
765 2000-09-15 Andrew Haley <aph@redhat.com>
767 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
768 remove all SETs of SUBREGs of hard registers.
769 * function.c (purge_hard_subreg_sets): New function.
770 (purge_single_hard_subreg_set): New function.
771 * rtl.h: (purge_hard_subreg_sets): New function.
773 2000-09-18 Richard Henderson <rth@cygnus.com>
775 * config/ia64/ia64-protos.h: Update.
776 * config/ia64/ia64.c (signed_inequality_operator): New.
777 (ia64_expand_compare): New.
778 (ia64_register_move_cost): Handle PR_REGS moves.
779 (ia64_secondary_reload_class): Require a GR when moving to a PR.
780 (struct reg_write_state): Add written_by_and/or.
781 (struct reg_flags): Add is_and/or.
782 (rws_update): Set them.
783 (rws_access_regno): Test them to allow parallel comparisons.
784 (rtx_needs_barrier): Recognize parallel comparisons.
785 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
786 Call recog_memoized; ignore pred_rel_mutex.
787 (emit_predicate_relation_info): Don't call find_basic_blocks here.
788 (ia64_reorg): Do it here instead.
789 * config/ia64/ia64.h: s/CCmode/BImode/g
790 (MODES_TIEABLE_P): Don't tie BImode.
791 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
792 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
793 (RTX_COSTS): Make multiply 4 insns.
794 (MEMORY_MOVE_COST): New.
795 (PREDICATE_CODES): Update.
796 * config/ia64/ia64.md: s/CCmode/BImode/g
797 (movcci, movbi): New.
798 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
799 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
800 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
801 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
802 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
803 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
804 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
805 (mulsi, muldi): Use xmpy not xma.
807 (movcc, movcc_internal): Remove.
808 (branch expanders): Use ia64_expand_compare.
809 (setcc expanders): Likewise.
810 (cmov insns): Use move_operand and ia64_move_ok.
811 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
812 scheduler from moving it past a use.
813 * config/ia64/build.hacks: Remove.
815 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
817 * cpphash.h (HASHSTEP): Take character rather than pointer
819 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
821 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
823 * cpplex.c (auto_expand_name_space, trigraph_replace,
824 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
825 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
826 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
827 KNOWN_DIRECTIVE): Delete.
829 (handle_newline, check_long_token, skip_escaped_newlines,
830 unterminated): New functions.
831 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
833 (parse_identifier): Was parse_name, new implementation.
834 (skip_line_comment, skip_block_comment, skip_whitespace,
835 parse_number, parse_string, trigraph_ok, save_comment,
836 adjust_column, _cpp_get_line): New implementations.
838 (lex_token): New function. Lexes a token at a time, looking
839 forwards. Contains most of the guts of the old lex_line.
840 (lex_line): New implementation, using lex_token to obtain
842 (cpp_scan_buffer): Use the token's line, not the list's line.
844 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
846 (do_assert): Don't bother setting the answer's list's line.
847 (cpp_push_buffer): Initialise new pfile and read_ahead members
848 of struct cpp_buffer.
850 * cpplib.h (cppchar_t): New typedef.
851 (struct cpp_buffer): read_ahead, pfile and col_adjust are
853 (struct lexer_state): New structure that determines the state
854 and behaviour of the lexer.
855 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
856 (struct cpp_reader): New member "state". Rename
857 multiline_string_line and multiline_string_column. Delete
858 col_adjust, in_lex_line members.
859 (CPP_BUF_COLUMN): Update.
861 2000-09-18 Richard Henderson <rth@cygnus.com>
863 * combine.c (simplify_comparison): Shift a NOT out of a single
866 * combine.c (if_then_else_cond): Canonicalize BImode true to
868 * explow.c (trunc_int_for_mode): Likewise.
870 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
871 the NOT for De Morgan's rule.
872 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
873 of a comparison to the reverse comparison.
875 * combine.c (try_combine): Allow split to create a single insn.
877 * machmode.def: Add BImode. Add a column for bitsize.
878 * machmode.h (DEF_MACHMODE): Adjust for extra column.
879 (GET_MODE_BITSIZE): Use it.
880 * rtl.c (DEF_MACHMODE): Adjust for extra column.
882 (mode_mask_array): Use bitsize.
883 * combine.c (combine_simplify_rtx): Require inner and outer
884 modes to match on nonzero_bits optimizations.
886 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
888 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
889 its entry in spill_reg_store.
890 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
891 * sh.c (reg_no_subreg_operand): New function.
892 * sh-protos.h (reg_no_subreg_operand): Declare it.
893 * sh.h (PREDICATE_CODES): Add it.
894 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
895 input operand that needs to be in fpul.
896 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
897 * sh.c (find_barrier): Take into account that machine_dependent_reorg
900 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
902 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
904 (sh_expand_epilogue): Take the PIC register into account when
905 computing the frame size.
907 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
908 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
909 LABEL_REFs with a PIC-safe unspec.
911 2000-09-18 Will Cohen <wcohen@redhat.com>
913 * extend.texi (Zero Length): State that static initializers for
914 zero-length arrays are not allowed.
916 * c-typeck.c (process_init_element): Flag initializers for zero
919 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
920 exactly HOST_BITS_PERWIDE_INT.
922 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
924 * c-common.c (check_format_info): Properly save the argument
925 number and parameter for $ operand number formats in case width
926 and precision arguments are also used. Allow printf width and
927 precision arguments to have operand numbers even if none was
928 specified for the main format, since this is OK for %*.*m. Only
929 object to missing $ operand number if the format used requires an
932 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
934 * c-common.c (format_char_info): Add 'W' flag to comment.
935 (print_char_table, scan_char_table): Use it.
936 (check_format_info): Use the 'W' flag to determine whether a
937 format argument is written into.
939 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
941 * c-common.c (check_format_types): Reorganise and clean up,
942 checking earlier for ERROR_MARKs and making cur_type into its
943 TYPE_MAIN_VARIANT where convenient.
945 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
947 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
949 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
951 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
953 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
954 * i386.c (struct builtin_description): New.
955 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
956 (mmx_reg_operand): Declare MODE arg as unused.
957 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
958 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
959 ix86_expand_binop_builtin, ix86_expand_store_builtin,
960 ix86_init_builtins, ix86_expand_builtin): New functions.
961 * i386.h (ix86_builtins): New enumeration.
962 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
963 * i386.md (attr length_immediate): 0 for mmx/sse types.
964 (attr prefix_0f): 1 for mmx/sse types.
965 (setcc_2): Remove "*" so we get gen_setcc_2.
966 (emms): Account for changed register numbering. Set "memory" attr
968 (sfence): Set "memory" attr to unknown.
970 2000-09-18 Andreas Jaeger <aj@suse.de>
972 * configure.in: Define _GNU_SOURCE only when using the GNU C
974 * configure: Regenerated.
975 * config.in: Regenerated.
977 2000-09-17 Mark Mitchell <mark@codesourcery.com>
979 * cppinit.c (cpp_init): Don't use ANSI prototypes.
980 * flow.c (flow_dump_loop): Likewise.
981 (flow_loops_dump): Likewise.
983 * c-typeck.c (c_start_case): Fix typo.
985 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
987 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
988 to int for plain complex which defaults to complex double. Do
989 warn about defaulting to complex double if pedantic. Warn about
990 complex integer types if pedantic. Warn about complex types if
991 pedantic and not in C99 mode.
992 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
993 for complex conjugation.
995 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
997 * contrib.texi: Update my entry.
999 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1001 * config/avr/avr.md (mcu_enhanced): New attribute.
1002 (mcu_mega): Likewise.
1003 (extendhisi2): Use mcu_enhanced.
1004 (zero_extendhisi2): Likewise.
1005 (call_insn): Use mcu_enhanced and mcu_mega.
1006 (call_value_insn): Likewise.
1007 (*sbrx_branch): Use mcu_mega.
1008 (*sbrx_and_branchsi): Likewise.
1009 (*sbrx_and_branchhi): Likewise.
1010 (*tablejump_lib): Likewise.
1012 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1014 * alias.c (true_dependence): Allow non-unchanging read to conflict
1015 with unchanging write.
1017 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1018 (store_constructor): Pass alias_set to it.
1020 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1021 TYPE_MAIN_VARIANT of ERROR_MARK.
1022 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1024 * simplify-rtx.c (simplify_unary_operation): Add cases
1025 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1027 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1029 * expr.h (emit_library_call, emit_library_call_value): Delete
1031 * rtl.h (enum libcall_type): New.
1032 (emit_library_call, emit_library_call_value): Change fn_type arg to
1033 be of type enum libcall_type.
1034 * calls.c: Likewise for the function definitions. Several callers
1035 throughout changed to use the new enumeration appropriately.
1036 (emit_library_call_value_1): Likewise. Put back code to make libcall
1037 blocks of equal form, but only use it for the two new higher
1040 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1042 Convert the C front-end to use function-at-a-time mode.
1043 * c-common.h: Include splay-tree.h.
1044 (C_DECLARED_LABEL_FLAG): New macro.
1045 (struct language_function): Add x_scope_stmt_stack and
1046 x_function_name_declared_p.
1047 (RECHAIN_STMTS): Move definition.
1048 (lang_statment_code_p): Likewise.
1049 (lang_expand_stmt): Likewise.
1050 (lang_expand_decl_stmt): New variable.
1051 (lang_expand_function_end): Likewise.
1052 (current_scope_stmt_stack): New function.
1053 (add_decl_stmt): Likewise.
1054 (add_scope_stmt): Likewise.
1055 (mark_stmt_tree): Likewise.
1056 (struct c_lang_decl): New structure.
1057 (DECL_SAVED_TREE): Define.
1058 (c_mark_lang_decl): New function.
1059 (c_expand_start_cond): Change prototype.
1060 (c_finish_then): New function.
1061 (c_finish_else): Likewise.
1062 (current_function_name_declared): Remove.
1063 (set_current_function_name_declared): Likewise.
1064 (mark_c_language_function): Declare.
1065 (case_compare): Likewise.
1066 (c_add_case_label): Likewise.
1067 (c_expand_expr): Likewise.
1068 (c_safe_from_p): Likewise.
1069 * c-common.c (lang_expand_function_end): New variable.
1070 (struct if_elt): Add if_stmt.
1071 (c_expand_start_cond): Add the if-statement to the statement-tree,
1072 rather than generating RTL.
1073 (c_finish_then): New function.
1074 (c_expand_start_else): Don't generate RTL.
1075 (c_finish_else): New function.
1076 (c_expand_expr_stmt): Don't generate RTL.
1077 (statement_code_p): Add SCOPE_STMT.
1078 (case_compare): New function.
1079 (c_add_case_label): Likewise.
1080 (mark_stmt_tree): Likewise.
1081 (c_mark_lang_decl): Likewise.
1082 (mark_c_language_function): Likewise.
1083 (c_expand_expr): Likewise.
1084 (c_safe_from_p): Likewise.
1085 * c-decl.c (c_stmt_tree): New variable
1086 (c_scope_stmt_stack): Likewise.
1087 (c_function_name_declared_p): Likewise.
1088 (lang_expand_expr_stmt): Remove.
1089 (poplevel): Don't call output_inline_function for nested
1091 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1093 (redeclaration_error_message): Change means of computing whether
1094 or not a function is nested.
1095 (lookup_label): Don't call label_rtx.
1096 (init_decl_processing): Add more GC roots.
1097 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1098 calling rest_of_decl_compilation.
1099 (finish_decl): Don't call expand_decl.
1100 (store_parm_decls): Begin the statement-tree, but don't generate
1102 (finish_function): Tie off the statement-tree. Call c_expand_body
1104 (c_expand_body): New function.
1105 (push_c_function_context): Save more information.
1106 (pop_c_function_contxt): Likewise.
1107 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1108 (lang_mark_tree): Mark it.
1109 (current_stmt_tree): Adjust.
1110 (current_scope_stmt_stack): New function.
1112 (set_current_name_declared): Likewise.
1113 (c_begin_compound_stmt): Define.
1114 (c_expand_decl_stmt): Likewise.
1115 * c-lang.c: Include rtl.h and expr.h.
1116 (lang_init): Set more language-specific hooks.
1117 * c-lex.c: Include expr.h.
1118 * c-parse.in: Changes throughout to add statements to the
1119 statement-tree, rather than generating RTL after every statement.
1120 * c-semantics.c (lang_expand_decl_stmt): Define.
1121 (add_decl_stmt): New function.
1122 (add_scope_stmt): Likewise.
1123 (finish_stmt_tree): Tweak.
1124 (genrtl_expr_stmt): Likewise.
1125 (genrtl_decl_stmt): Handle local labels, and call
1126 lang_expand_decl_stmt if required.
1127 (genrtl_for_stmt): Fix line-number handling.
1128 (genrtl_case_label): Handle cleanups.
1129 (genrtl_asm_stmt): Don't call combine_strings.
1130 (genrtl_compound_stmt): Simplify.
1131 (expand_stmt): Handle SCOPE_STMTs.
1132 * c-tree.h (struct lang_decl): New structure.
1133 (C_DECLARED_LABEL_FLAG): Remove.
1134 (c_begin_compound_stmt): Declare.
1135 (c_expand_decl_stmt): Likewise.
1136 (c_expand_start_case): Rename to c_start_case.
1137 (c_finish_case): New function.
1138 * c-typeck.c (start_init): Tweak setting of
1139 constructor_incremental.
1140 (c_expand_asm_operands): Tweak error-handling. Add to the
1142 (c_expand_return): Add to the statement-tree.
1143 (c_expand_start_case): Rename to ...
1144 (c_start_case): ... this.
1145 (struct c_switch): New type.
1146 (switch_stack): New variable.
1147 (do_case): Simplify.
1148 (c_finish_case): New function.
1149 * dependence.c: Include expr.h.
1150 (enum dependence_type): Change spelling of enumerals.
1151 (check_node_dependence): Adjust.
1152 * expr.h (lang_safe_from_p): Declare.
1153 (safe_from_p): Likewise.
1154 * expr.c (lang_safe_from_p): New variable.
1155 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1156 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1157 * toplev.c (rest_of_decl_compilation): Robustify.
1158 * tree.c (contains_placeholder_p): Likewise.
1159 * Makefile.in: Update dependencies.
1160 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1161 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1162 (objc_expand_function_end): New function.
1163 (finish_method_def): Use it.
1164 (init_objc): Initialize more language-specific hooks.
1165 * objc/Make-lang.in: Update dependencies.
1167 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1169 * configure.in: Define macros that affect features before
1170 testing for features. Don't define _XOPEN_SOURCE.
1171 * configure: Regenerated.
1172 * config.in: Regenerated.
1174 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1176 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1177 (rtx_unstable_p): Restructure code. Volatile asms
1180 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1182 * function.h (no_debugging_symbols): New field.
1183 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1184 Initialize no_debugging_symbols.
1185 (output_inline_function): Save and restore write_symbols and set from
1186 no_debugging_symbols.
1187 * toplev.c (rest_of_compilation): Call save_for_inline.
1188 * tree.h: Update comment.
1190 * stor-layout.c (place_field): Don't do anything if field or
1191 its type are ERROR_MARK.
1193 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1195 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1196 (read_include_file): Ensure inc->mmaped is initialized.
1198 2000-09-16 Richard Henderson <rth@cygnus.com>
1200 * cppiles.c (purge_cache): Use PTR not caddr_t.
1202 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1204 * gcc.c: In description for %{<S}, say the option removed is -S.
1205 * invoke.texi (Spec Files): Ditto.
1207 2000-09-16 Andreas Jaeger <aj@suse.de>
1209 * configure.in: Always define _GNU_SOURCE to make interfaces
1210 visible that were hidden by only defining _GNU_SOURCE.
1211 * configure: Regenerated.
1213 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1215 * cpplex.c (push_macro_context): Set an argument's level after
1216 calling parse_args. We could loop infinitely otherwise.
1218 2000-09-15 Tom Tromey <tromey@cygnus.com>
1220 * configure, config.in: Rebuilt.
1221 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1223 2000-09-15 Greg McGary <greg@mcgary.org>
1225 * cppmacro.c (check_trad_stringification): Check token
1226 text pointers against limit before dereferencing.
1228 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1230 * c-common.c (format_wanted_type): New structure.
1231 (check_format_types): New function.
1232 (check_format_info): Pass all checking of types of format
1233 arguments, including width and precision arguments, to this new
1236 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1238 * BUGS: Remove file.
1240 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1242 * config/alpha/alpha.c (override_options): ev6 cache latencies
1243 from Richard Henderson. Don't allow -mmemory-latency=L0.
1245 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1246 (TARGET_OPTIONS): Add tune=.
1247 (alpha_tune_string): Declare.
1248 * config/alpha/alpha.c (override_options): Add cpu_table.
1249 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1250 and then alpha_tune_string to set alpha_cpu only.
1251 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1252 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1253 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1254 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1256 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1258 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1260 (ix86_comparison_operator, ix86_cc_mode): Declare
1261 * i386.h (CCGC, CCGCO): New modes.
1262 (SELECT_CC_MODE): Move offline to ....
1263 * i386.c (ix86_cc_mode): .... here; use new modes.
1264 (ix86_comparison_operator): New.
1265 (fcmov_comparison_operator): Ensure proper mode.
1266 (put_condition_mode): More sanity checking.
1267 (ix86_match_ccmode): Handle new modes.
1268 (ix86_expand_fp_compare): GEU requires CCmode.
1269 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1271 * i386.md (cmp?i_ccz_1): Remove
1272 (cmp?i_ccno_1): Use ix86_match_ccmode.
1273 (cmp?i_minus_1): New.
1274 (cmpsi_1): New expander.
1275 (cmpqi_ext_1): Use match_ccmode
1276 (cmpqi_ext_3): New expander.
1277 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1278 (cmpqi_ext_4): Use match_ccmode.
1279 (add?i_?): Use match_ccmode.
1281 (test?i_ccz_1): Remove
1283 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1284 (testqi_ext_0): Use ix86_match_ccmode.
1285 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1286 (xorqi_cc_ext_1): New expander.
1287 (shift patterns): Use CCGOCmode for all shifts except for sar.
1288 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1289 (setcc_3, jcc_3, miv?icc_c): Remove.
1291 2000-09-15 Will Cohen <wcohen@redhat.com>
1293 * dwarf2out.c (add_const_value_attribute): Changed array into a
1294 xmalloced object, so it exists after function exit.
1295 (free_AT): Added case for dw_val_class_float to free allocated
1298 2000-09-15 Kazu Hirata <kazu@hxi.com>
1300 * config/i386/i386.md: Fix a comment typo.
1301 * gcc.c: Fix formatting.
1303 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1305 * optabs.c (emit_libcall_block): If target is a user variable,
1306 copy to a temporary first.
1307 * expr.c (convert_move): When generating a libcall, make a libcall
1309 * calls.c (emit_library_call_value_1): Don't create a libcall
1310 sequence here; our caller will in most cases do it.
1312 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1314 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1315 * sh.md (reload_outsf): Generate recognizable patterns for
1317 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1318 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1319 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1320 truncdfsf2_i4): Change not to use explicit references to fpul.
1321 (floatsisf2_ie): Remove USE of fpscr.
1322 (floatsisf2): Change default expansion to match this.
1323 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1326 2000-09-15 Richard Henderson <rth@cygnus.com>
1328 * expmed.c (store_bit_field): Consider naturally aligned
1329 memory for direct reference.
1331 2000-09-15 Richard Henderson <rth@cygnus.com>
1333 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1334 AND addresses into alias set 0.
1335 (alpha_expand_unaligned_store): Likewise.
1336 (alpha_expand_unaligned_load_words): Likewise.
1337 (alpha_expand_unaligned_store_words): Likewise.
1339 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1341 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1342 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1344 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1345 rsize of UNITS_PER_WORD.
1347 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1349 * cpplex.c (ON_REST_ARG): Correct the test.
1350 (maybe_paste_with_next): Duplicate a token that fail pasting,
1351 and clear its PASTE_LEFT flag, so that nested pasting attempts
1354 2000-09-14 Richard Henderson <rth@cygnus.com>
1356 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1357 * cse.c (rtx_cost): Likewise.
1358 * optabls.c (expand_binop): Likewise.
1359 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1360 * regclass.c (copy_cost): Likewise.
1361 * reload1.c (reload_cse_move2add): Likewise.
1363 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1365 * c-parse.in (reswords): Add _Complex.
1367 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1369 * gcc.1: Delete documentation for -undef preprocessor option.
1371 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
1373 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1374 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
1375 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1376 Remove undefine before config/elfos.h.
1377 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
1379 2000-09-14 Kazu Hirata <kazu@hxi.com>
1381 * invoke.texi (H8/300 Options): Add -ms2600.
1382 * config/h8300.c (h8300_init_once): Output an error when -ms2600
1383 is used without -ms.
1384 * config/h8300.h (TARGET_MAC): New.
1385 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1386 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1387 machine other than H8/S2600.
1388 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1391 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1393 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1394 pseudos that refer to the original pseudos, not only to their
1395 equivalent memory locations.
1397 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1399 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1400 when making new MEM.
1402 * Makefile.in (LN): Remove duplicate definition.
1404 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1406 From Joern Rennecke:
1407 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1408 on an insn and function_invariant_p returns nonzero for the source,
1409 add a REG_EQUAL note.
1411 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1413 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1414 conflict with frame_pointer_rtx.
1416 2000-09-13 Kazu Hirata <kazu@hxi.com>
1418 * loop.c: Fix formatting.
1421 2000-09-13 Richard Henderson <rth@cygnus.com>
1423 * config/ia64/ia64.md (divsf3): New.
1424 (divsf3_internal_lat, divsf3_internal_thr): New.
1425 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1426 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1427 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1428 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1429 (nmadddf4_alts, nmadddf4_trunc): New.
1430 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1431 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1432 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1433 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1434 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1435 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1436 (nmaddtf4_truncdf_alts): New.
1437 (recip_approx): Don't predicate.
1439 2000-09-13 Richard Henderson <rth@cygnus.com>
1441 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1443 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1445 * flags.h (flag_dump_rtl_in_asm): Declare.
1446 * toplev.c (flag_dump_rtl_in_asm): Define.
1447 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1448 if -dP is specified.
1449 * rtl.h (print_rtx_head): Declare.
1450 * print-rtl.c (print_rtx_head): Define.
1451 (print_rtx): Print the string pointed to by print_rtx_head
1452 at beginning of each dump line.
1453 (print_rtl): Likewise.
1454 (print_rtl_single): Likewise.
1455 * final.c (final_scan_insn): Dump the insn in the assembly
1457 * gcc.1: Document -dP option.
1458 * invoke.texi (Debugging Options): Likewise.
1460 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1462 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1463 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1464 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1466 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1468 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1469 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1470 (*clrstrqi): Likewise.
1471 (xorhi3,xorsi3,absqi2): Likewise.
1472 (one_cmplhi2,one_cmplsi2): Likewise.
1473 (addsi3): Two stupid constraint alternatives removed.
1474 (extendhisi2): Use `movw' for enhanced avr cores.
1475 (zero_extendhisi2): Likewise.
1477 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1479 * alias.c (find_base_term): Use frame_pointer_rtx
1480 when handling an ADDRESSOF.
1482 * cse.c (canon_hash): Handle USE of BLKmode memory.
1483 (cse_insn): Outgoing arguments for a libcall don't
1484 affect any recorded expressions.
1486 2000-09-12 Tom Tromey <tromey@cygnus.com>
1488 * configure, config.in: Rebuilt.
1489 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1491 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1493 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1494 * expr.c (expand_expr): Don't optimize constant array references
1495 initialized with wide string constants.
1497 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1499 * loop.c (note_set_pseudo_multiple_uses): Correct.
1501 2000-09-12 Jim Wilson <wilson@cygnus.com>
1503 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1504 else block, and X has side-effects, then fail.
1506 2000-09-12 Greg McGary <greg@mcgary.org>
1508 * config/mips/mips-protos.h
1509 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1510 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1511 (PREDICATE_CODES): Add "trap_cmp_op".
1512 * config/mips/mips.c
1513 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1514 * config/mips/mips.md (trap, conditional_trap): New patterns.
1516 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1518 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1521 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1523 * builtins.c (built_in_decls): New array.
1524 (expand_builtin_fputs): New function.
1525 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1527 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1529 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1531 * tree.h (built_in_decls): New array.
1533 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1535 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1537 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1539 2000-09-12 Kazu Hirata <kazu@hxi.com>
1541 * haifa-sched.c: Fix formatting.
1543 * genattrtab.c: Fix formatting.
1545 * unroll.c: Fix formatting.
1547 2000-09-12 Bruce Korb <bkorb@gnu.org>
1549 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1550 remove obsolete code
1551 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1552 * fixinc/fixincl.tpl: make non-exported arrays static scope
1553 * fixinc/fixincl.x: regenerate
1554 * fixinc/fixlib.h: Use PARAMS, not _P_
1555 * fixinc/fixtests.c: make a type for the test proc & use it
1556 * fixinc/server.h: Use PARAMS, not _P_
1558 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1560 * c-typeck.c (process_init_element): Avoid union init warnings on
1561 floating point zero. Don't crash on unions containing structs.
1563 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1565 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1566 general_movsrc_operand, and remove CONST_INT from
1567 general_movdst_operand.
1569 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1571 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1572 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1573 regs with a higher cost.
1574 (preferrable): Deal with cases where either cost or regcost is
1576 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1578 (COSTS_N_INSNS): Move definition...
1580 (MAX_COST): New macro.
1581 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1584 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1586 * c-common.h (genrtl_clear_out_block): Remove.
1587 * c-semantics.c (genrtl_clear_out_block): Remove.
1588 (genrtl_while_stmt): Don't call it.
1589 (genrtl_for_stmt): Likewise.
1591 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1593 * cppfiles.c: Move all default-#defines to top of file.
1594 (open_include_file): Replace by lookup_include_file.
1595 (read_with_read, read_file): Merged into read_include_file.
1596 (stack_include_file, purge_cache): New functions.
1597 (close_cached_fd): Delete.
1598 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1599 Cache the in-memory buffer, not the file descriptor.
1601 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1603 (xcnew): New utility macro.
1604 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1605 * cpplib.h (struct cpp_buffer): Remove mapped field.
1607 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1609 * cpplex.c (parse_string): Accept backslash space newline as a
1611 (lex_line): Likewise.
1612 (_cpp_get_token): Remove hard limit on macro nesting.
1614 2000-09-12 Philipp Thomas <pthomas@suse.de>
1616 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1617 * configure: Rebuilt.
1619 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1621 * flow.c (split_block): Fix update of registers live at
1624 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1626 * i386.md (add?i_3, add?i_5): New.
1627 (add?i_4): Rename from add?i_3; Fix compare pattern.
1628 (sub?i_3, xor?i_3, ior?i_3): New.
1630 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1631 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1632 instead of extract_insn and extract_constrain_insn_cache instead of
1633 extract_insn and constrain_operands.
1634 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1636 (extract_insn): Clear which_alternative.
1637 (constrain_operands): Set which_alternative to -1 when failed.
1638 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1641 2000-09-11 Matthew Hiller <hiller@redhat.com>
1643 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1644 on operand 0 to '+'.
1645 (movstricthi): Likewise.
1647 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1649 * loop.h (LOOP_IVS): New macro.
1650 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1651 (struct loop_ivs): New.
1652 (struct loop_info): Add ivs field.
1653 (reg_iv_type, reg_iv_info): Delete prototype.
1654 (reg_biv_class, loop_iv_list): Likewise.
1655 * loop.c (record_biv, find_life_end): Pass loop argument.
1656 (reg_iv_type): Remove global array and use
1657 field in loop_regs structure within loop_ivs structure.
1658 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1659 (first_increment_giv, last_increment_giv): Use entry in
1661 (record_initial): Pass ivs pointer.
1662 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1664 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1666 * loop.h (LOOP_REGS): New macro.
1667 (struct loop_regs): New.
1668 (struct loop_info): Add regs field.
1669 * loop.c (set_in_loop): Remove global array and store
1670 in loop_regs structure as part of loop_info structure.
1671 (n_times_set, may_not_optimize): Likewise.
1672 (reg_single_usage, moved_once): Likewise.
1673 (count_one_set): Add regs argument.
1674 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1675 (set_pseudo_multiple_uses): Pass regs pointer.
1677 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1679 * unroll.c (iteration_info): Subsume into loop_iterations.
1680 * loop.h (loop_info): New field iv.
1682 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1684 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1685 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1686 (flow_loops_update): New prototype.
1687 (flow_loops_find): Add flags to prototype.
1688 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1689 * flow.c (flow_loop_pre_header_scan): New.
1690 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1691 (flow_loop_free): Free pre-header root and trace and exit dominators.
1692 (flow_loops_find): New argument flags.
1693 (flow_loops_update): New function.
1694 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1696 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1698 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1699 * flow.c (split_block, update_bb_for_insn): New functions.
1701 2000-09-11 Richard Henderson <rth@cygnus.com>
1703 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1705 2000-09-11 Richard Henderson <rth@cygnus.com>
1707 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1708 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1709 (ia64_override_options): Prevent optimizing division for both
1710 latency and throughput.
1711 (rtx_needs_barrier): Handle frcpa.
1712 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1713 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1714 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1715 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1716 -minline-divide-max-throughput.
1717 (PREDICATE_CODES): Update.
1718 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1719 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1720 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1721 (extendsftf2): Likewise.
1722 (extenddftf2): Likewise.
1723 (fix_trunctfdi2_alts): New.
1724 (fixuns_trunctfdi2_alts): New.
1725 (madd*4): Rename from madd*3.
1726 (divsi3, modsi3, udivsi3, umodsi3): New.
1727 (divsi3_internal): New.
1728 (divdi3, moddi3, udivdi3, umoddi3): New.
1729 (divdi3_internal_lat, divdi3_internal_thr): New.
1730 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1731 (recip_approx): New.
1733 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1735 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1736 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1738 * integrate.c (copy_rtx_and_substitute): Don't share
1739 LEAF_REG_REMAPpable registers with the inlined function. Don't
1740 share the function value with calling sequences.
1742 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1744 * c-decl.c (do_case): Fix a typo.
1746 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1747 to a if the comparison is floating mode and not -ffast-math.
1748 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1750 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1752 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1753 gen_ic_invalidate_line.
1755 2000-09-11 Philip Blundell <pb@futuretv.com>
1757 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1759 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1761 * install.texi (LANGUAGES): Update to include new languages.
1764 2000-09-11 DJ Delorie <dj@redhat.com>
1766 * gcc.c (main): Don't warn about unused -B prefixes
1767 (unused_prefix_warnings): remove
1769 2000-09-11 Kazu Hirata <kazu@hxi.com>
1771 * final.c: Fix formatting.
1773 * integrate.c: Fix formatting.
1775 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1777 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1779 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1781 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1783 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1785 * gcc.1: Document 68hc11 specific options.
1787 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1789 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1790 (TARGET_LONG_DOUBLE_128): Define.
1791 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1792 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1793 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1794 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1795 of __LONG_DOUBLE_128__.
1796 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1798 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1799 (CPP_SYSV_DEFAULT_SPEC): Define.
1800 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1801 (INIT_TARGET_OPTABS): Define.
1803 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1804 (RS6000_UITRUNC): Likewise.
1805 (INIT_TARGET_OPTABS): New macro.
1806 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1807 (trunc_defined): Delete.
1808 (output_prolog): Don't output .extern definitions for fp->int
1809 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1810 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1811 (trunc_defined): Delete.
1812 (RS6000_ITRUNC): Moved to aix.h.
1813 (RS6000_UITRUNC): Likewise.
1814 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1815 only emit a libcall.
1816 (fixuns_truncdfsi2): Delete.
1817 (trunc_call): Delete.
1818 (trunc_call_rtl): Delete.
1820 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1822 * varasm.c (make_decl_rtl): Restore leading star on
1823 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1825 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1827 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1828 won't give a spurious error for '#pragma pack()'. Simplify
1829 control flow for readability. 'reset' action is not necessary.
1831 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1833 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1834 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1835 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1836 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1838 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1839 profile.c, sdbout.c, tradcif.y, tree.c:
1840 Include defaults.h if not already included.
1841 Don't define the above macros.
1843 * Makefile.in: Update dependencies.
1845 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1847 * c-common.h (add_stmt): Change prototype.
1848 (RECHAIN_STMTS): New macro.
1849 (CASE_LABEL_DECL): Likewise.
1850 (genrtl_case_label): Change prototype.
1851 (c_expand_start_case): Remove prototype.
1852 (build_case_label): Change prototype.
1853 (decl_constant_value): Declare.
1854 * c-common.c (check_case_value): Handle C++'s extensions to C
1856 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1858 * c-parse.in (stmt): Adjust handling of return statements and case
1860 * c-semantics.c (add_stmt): Return the new statement.
1861 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1862 returned expression. Directly generate RTL, rather than calling
1864 (genrtl_switch_stmt): Don't call c_expand_start_case.
1865 (build_case_label): Take the LABEL_DECL as input, too.
1866 (genrtl_case_label): Just call add_case_node.
1867 (expand_stmt): Adjust calls to genrtl_return_stmt and
1869 * c-tree.h (c_expand_start_case): Declare.
1870 * c-typeck.c (decl_constant_value): Give it external linkage.
1871 (c_expand_return): Don't call expand_return or expand_null_return;
1872 use genrtl_return_stmt instead.
1873 * stmt.c (struct nesting): Remove num_ranges field.
1874 (add_case_node): Give it external linkage.
1875 (expand_start_case): Don't set num_ranges.
1876 (expand_start_case_dummy): Don't clear it.
1877 (pushcase): Rely on add_case_node to handle `default' labels.
1878 (add_case_node): Handle `default' labels.
1879 * tree.c (tree_int_cst_compare): New function.
1880 * tree.h (tree_int_cst_compare): Declare.
1881 (add_case_node): Likewise.
1883 2000-09-10 Richard Henderson <rth@cygnus.com>
1885 * c-parse.in: Revert last change.
1886 (init_reswords): Do not enter disabled keywords into the ridpointers
1887 table, modulo objc weirdness.
1888 (_yylex): Return the canonical spelling for a keyword.
1890 2000-09-10 Philip Blundell <philb@gnu.org>
1892 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1893 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1895 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1897 * alias.c (find_base_term): Handle ADDRESSOF.
1898 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1900 2000-09-10 Denis Chertykov <denisc@overta.ru>
1902 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1903 outputting templates with many lines.
1905 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1907 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1908 to decide whether 64-bit support must be generated.
1910 2000-09-10 Richard Henderson <rth@cygnus.com>
1912 * c-parse.in (asm patterns): Fix volatile check.
1914 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * cppmacro.c (check_trad_stringification): New function.
1917 (save_expansion): If -Wtraditional, warn about stringification of
1920 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1922 * loop.h (struct loop_mem_info): Move from loop.c
1923 (struct loop_info): Add fields store_mems, mems, mems_idx,
1924 mems_allocated, unknown_address_altered,
1925 unknown_constant_address_altered, num_mem_sets, and
1926 first_loop_store_insn.
1928 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1929 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1930 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1931 (num_mem_sets): Likewise.
1932 (replace_loop_mems, replace_loop_regs): New.
1933 (struct loop_replace_args): New.
1934 (load_mems): Use replace_loop_mems.
1935 (try_copy_prop): Use replace_loop_regs.
1936 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1938 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1940 * configure.in: Recognize m6811-elf and m6812-elf.
1941 * configure: Regenerate.
1943 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1945 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1948 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1950 * loop.c (struct movables): New.
1951 (num_movables): Move into struct movables.
1952 (the_movables): Change type to struct movables.
1953 (ignore_some_movables): Change struct movable arg to struct movables.
1954 (force_movables, combine_movables, regs_match_p): Likewise.
1955 (rtx_equal_for_loop_p, move_movables): Likewise.
1956 (scan_loop): Change movables to be of type struct movables.
1957 Replace last_movable with field in movables structure.
1959 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1961 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1962 (init_pragma): Avoid warning if pfile happens to be unused.
1963 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1964 define init_pragma to nothing. Always prototype
1965 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1967 * c-lex.c (process_directive): Always call dispatch_pragma.
1968 Initialize entering_c_header to 0.
1970 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1972 * config/m68hc11/m68hc11.md: New file, machine description for
1974 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1975 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1976 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1977 * config/m68hc11/m68hc11-protos.h: New file.
1978 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1979 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1980 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1981 * config/m68hc11/larith.asm: New file, libgcc routines.
1983 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1985 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1986 (FPBIT_FUNCS): Add _usi_to_sf.
1987 * config/fp-bit.c (usi_to_float): New function.
1988 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1989 (usi_to_float): Add appropriate #define.
1991 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1993 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1995 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1996 * i386.md (attr "type"): Add sse and mmx types.
1997 (attr "memory"): Handle them without a crash.
1998 (movsi_1, movdi_2): Allow MMX regs.
1999 (movdi splits): Don't split moves involving MMX regs.
2000 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2001 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2002 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2003 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2004 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2005 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2006 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2007 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2008 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2009 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2010 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2011 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2012 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2013 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2014 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2015 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2016 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2017 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2018 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2019 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2020 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2021 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2022 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2023 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2024 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2025 mmx_clrdi): New patterns.
2027 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2029 * arm.c: Don't include tm.h directly.
2031 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2033 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2034 testing; simplify subregs of constants and nested subregs.
2036 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2038 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2040 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2042 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2044 * rtl.texi (description of USE): Add note about possible pitfalls
2046 From Richard Henderson:
2047 * reload1.c (choose_reload_regs): Compute need_mode properly.
2049 2000-09-07 Richard Henderson <rth@cygnus.com>
2051 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2052 (__modsi3, __umodsi3): Likewise.
2053 (__udivsi3): Likewise. Normalize the TFmode values.
2055 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2057 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2059 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2062 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2064 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2065 (cmpeqdi_t): Add output pattern.
2066 (cmpeqdi_t+1): Don't split when not optimizing.
2067 Restore proper splitting operation.
2069 2000-09-07 Richard Henderson <rth@cygnus.com>
2071 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2072 do not call dispatch_pragma.
2074 2000-09-07 Jim Wilson <wilson@cygnus.com>
2076 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2077 to CLASS_CANNOT_CHANGE_MODE.
2078 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2079 mode classes are different.
2081 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2083 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2084 left out of commit which removed cppulp.c.
2086 2000-09-07 Richard Henderson <rth@cygnus.com>
2088 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2089 after switch for CASE_DROPS_THROUGH.
2091 2000-09-07 Richard Henderson <rth@cygnus.com>
2093 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2094 Properly extend the biv initial value for the giv.
2095 (record_biv): Zero ext_dependant.
2096 (record_giv): New argument ext_val. Update all callers.
2097 (general_induction_var): Likewise.
2098 (consec_sets_giv): Likewise.
2099 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2100 a sign-extend, zero-extend, or truncate.
2101 (combine_givs_p): Make sure modes are compatible.
2102 (check_ext_dependant_givs): New.
2103 (extend_value_for_giv): New.
2104 * loop.h (struct induction): Add ext_dependant.
2105 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2106 (find_splittable_givs): Likewise.
2107 (final_giv_value): Likewise.
2109 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2111 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2112 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2113 definitions from cpplib.h.
2114 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2116 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2117 documentation for REGISTER_TARGET_PRAGMAS.
2119 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2120 default-pragma callback to implement -Wunknown-pragmas if
2122 * c-parse.in: Move all includes to top of file.
2123 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2125 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2127 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2129 * arm.h, arm-protos.h, arm.c,
2130 c4x.h, c4x-protos.h, c4x.c,
2131 h8300.h, h8300-protos.h, h8300.c,
2132 i370.h, i370-protos.h, i370.c,
2133 i960.h, i960-protos.h, i960.c,
2134 sh.h, sh-protos.h, sh.c,
2135 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2136 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2138 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2139 multiple include guard.
2140 * i370.md (untyped_call): Use GEN_CALL.
2141 (umodsi3): Remove unused variable.
2142 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2143 * v850.c (output_move_single, output_move_double): Constify
2145 (print_operand): Constify a char *.
2146 * v850.h (struct small_memory_info): Constify name member.
2148 2000-09-07 Kazu Hirata <kazu@hxi.com>
2150 * config/h8300.h: Fix comment typos.
2151 * config/h8300/h8300.md: Likewise.
2152 * config/h8300/lib1funcs.asm: Likewise.
2154 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2156 * Makefile.in: Remove references to cppulp.{c,o}.
2157 * cppinit.c (initialize_builtins, cpp_start_read,
2158 cpp_handle_option): Update to use cpp_options structure.
2161 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2163 * c-common.c (time_char_table): Allow %#b and %#h.
2165 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2167 * reorg.c (find_end_label): If the basic block reorder pass moves the
2168 return insn to some other place try to locate it again and put our
2169 end_of_function_label there.
2170 * reorg.c (relax_delay_slots): Check if find_end_label created a
2171 new label that invalidates the current optimazation.
2173 2000-09-07 Catherine Moore <clm@redhat.com>
2175 * unroll.c (unroll_loop): Check for unconditional jumps
2176 to loop continuation. Delete if n_iterations is 1.
2177 (ujump_to_loop_cont): New routine.
2179 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2181 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2183 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2184 to handle multiword modes correctly. All callers and the declaration
2187 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2189 * c-common.h (prep_stmt): Declare.
2190 (lang_expand_stmt): Likewise.
2191 * c-decl.c (lang_expand_stmt): Remove.
2192 * c-semantics.c (lang_expand_stmt): Define.
2193 (prep_stmt): New function.
2194 (expand_stmt): Handle common statement types here.
2196 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2198 * configure.in (sh-*-linux*): Added.
2199 * configure: Rebuilt.
2200 * config/sh/t-linux: New file.
2201 * config/sh/sh.h (USERMODE_BIT): Define.
2202 (TARGET_USERMODE): Likewise.
2203 (TARGET_SWITCHES): New switches for the bits above.
2204 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2205 * config/sh/linux.h: New file.
2206 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2207 underscore on linux.
2208 (L_sdivsi3, L_udivsi3): Define for linux.
2209 (L_ic_invalidate): Define.
2210 * invoke.texi (SH Options): Document -musermode.
2212 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2214 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2215 CSE unless generating PIC.
2217 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2220 2000-09-06 H.J. Lu (hjl@gnu.org)
2222 * Makefile.in (clean_s1): Depend on stage_b.
2223 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2224 stage2. They are used for "make compare".
2226 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2228 Move statement-tree facilities from C++ to C front-end.
2229 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2230 (void_zero_node): New macro.
2231 (struct stmt_tree_s): New type.
2232 (stmt_tree): New typedef.
2233 (struct language_function): New type.
2234 (last_tree): New macro.
2235 (last_expr_type): Likewise.
2236 (walk_tree_fn): New typedef.
2237 (current_stmt_tree): New function.
2238 (begin_stmt_tree): Likewise.
2239 (add_stmt): Likewise.
2240 (finish_stmt_tree): Likewise.
2241 (statement_code_p): Likewise.
2242 (lang_statement_code_p): New variable.
2243 (walk_stmt_tree): New function.
2244 (STMT_IS_FULL_EXPR_P): New macro.
2245 * c-common.c (lang_statement_code_p): New variable.
2246 (c_common_nodes_and_builtins): Initialize void_zero_node.
2247 (statement_code_p): New function.
2248 (walk_stmt_tree): Likewise.
2249 * c-decl.c (language_function): Rename to ...
2250 (c_language_function): ... this. Include language_function.
2251 (push_c_function_context): Adjust accordingly.
2252 (pop_c_function_context): Likewise.
2253 (mark_c_function_context): Likewise.
2254 (current_stmt_tree): Define.
2255 * c-semantics.c (begin_stmt_tree): New function.
2256 (add_stmt): Likewise.
2257 (prune_unused_decls): Likewise.
2258 (finish_stmt_tree): Likewise.
2260 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2262 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2264 2000-09-06 Kazu Hirata <kazu@hxi.com>
2266 * calls.c: Fix formatting.
2268 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2270 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2272 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2274 Integrated preprocessor.
2276 * Makefile.in: Remove all references to c-parse.gperf,
2277 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2278 generating c-parse.c. Update dependencies.
2279 * c-parse.gperf, c-gperf.h: Delete.
2281 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2282 yy_lim, or yy_get_token. Don't define get_directive_line if
2284 * c-common.h: Add multiple include guard. Define RID values
2285 for every keyword in C, C++, and Objective C. Put all the
2287 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2288 * c-decl.c (c_decode_option): Handle -lang-objc here.
2289 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2290 (grokdeclarator): Adjust for new RID scheme.
2291 (extract_interface_info): New stub.
2292 * c-lang.c: Don't declare yy_cur or parse_options.
2293 (lang_init_options): Call cpp_init. Don't call
2295 (lang_init): Don't call check_newline if USE_CPPLIB.
2297 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2298 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2299 rendered unnecessary by new architecture. Move routines not
2300 shared with C++ to c-parse.in. Maintain a local idea of the
2301 line number. Handle C++ as well as C.
2302 [USE_CPPLIB]: Declare and register callbacks for #ident and
2303 for entering/leaving files.
2304 (init_c_lex, c_lex): Are now the entry points to this file.
2305 (check_newline): Break out directive handling to
2307 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2309 (readescape, parse_float): Overhaul.
2310 (lex_number, lex_string, lex_charconst): Break out of c_lex
2312 (get_fileinfo, update_header_times, dump_one_header,
2313 dump_time_statistics): New and/or moved here from C++.
2314 Support per-file data needed by C++ and per-header timing
2315 statistics (C++ only, at the moment).
2316 * c-lex.h: Update prototypes. Add multiple include guard.
2317 * c-tree.h (struct lang_identifier): Add rid_code field.
2318 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2320 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2321 reinit_parse_for_function and/or position_after_white_space.
2322 (save_filename, save_lineno): Look ahead before saving.
2323 (label -> identifier ':'): Save file and line before shifting ':'.
2324 (reservedwords): No need to call get_identifier.
2325 (init_parse, finish_parse, yyerror, yylex, yyprint,
2326 make_pointer_declarator): Are now here for C/ObjC.
2327 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2329 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2330 #pragma registry. Provide dummy implementation of that
2331 interface if !USE_CPPLIB.
2332 * c-pragma.h: Update to match.
2334 * flags.h: Add multiple include guard.
2335 (flag_detailed_statistics): Moved here from C++.
2336 * toplev.c: Define flag_detailed_statistics.
2338 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2340 * timevar.def (TV_CPP, TV_LEX): New.
2341 * timevar.h: Add multiple include guard.
2343 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2345 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2346 Initialize cpplib properly. Force lineno to 0 after first
2347 call to check_newline. Don't handle -lang-objc here.
2348 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2350 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2352 * rs6000.md: Correct function unit definitions for cr_logical and
2354 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2355 and use portable method for >=0 and floating point >=. Remove
2356 associated matchers.
2358 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2360 * extend.texi: Mark named return value extension as deprecated.
2362 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2364 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2367 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2369 * toplev.c (display_help): Fix thinko in documentation.
2371 * diagnostic.h (output_buffer::indent_skip): New fields.
2372 (output_indentation): New macro.
2374 * diagnostic.c (output_indent): New function.
2375 (output_set_prefix, clear_diagnostic_info): Use.
2376 (output_emit_prefix): Predict future indentation.
2378 2000-09-06 DJ Delorie <dj@redhat.com>
2380 * Makefile.in (stage_*): add more dependencies to ensure parallel
2381 builds build correctly
2383 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
2385 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2386 not bootstrap-lean_f.
2388 2000-09-06 Andreas Schwab <schwab@suse.de>
2390 * mklibgcc.in: Emit rule for libgcc-stage-start.
2391 * Makefile.in (stage1-start, stage2-start, stage3-start,
2392 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2394 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2396 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2397 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2398 (combine_regs): Likewise.
2400 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2401 * cse.c: Include "basic-block.h".
2402 (struct table_elt): New field REGCOST.
2403 (CHEAP_REG): Delete macro.
2404 (COST): Return 0 for REGs.
2405 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2406 (notreg_cost): Return 0 for appropriate SUBREGs.
2407 (COSTS_N_INSNS): Return N * 2.
2408 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2410 (CHEAPER): Use new function preferrable.
2411 (insert): Initialize REGCOST member.
2412 (find_best_addr): Use approx_reg_cost for estimation of register
2414 (cse_insn): Likewise.
2415 * loop.c (iv_add_mult_cost): New function.
2416 (add_cost, shift_cost, mult_cost): Delete variables.
2417 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2418 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2419 Make code that detects autoinc opportunities slightly less optimistic.
2420 (simplify_giv_expr): If expression contains other reg that is also a
2421 giv, only increment benefit if this is the only use of that reg.
2422 (consec_sets_giv): Take that change into account.
2423 (combine_givs): Slightly more verbose output.
2425 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2426 not the cost of an equivalent shift.
2427 * sh-protos.h (addsubcosts): Declare.
2428 * sh.c (addsubcosts): New function.
2429 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2430 (RTX_COSTS): Tweak. Use addsubcosts.
2431 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2433 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2435 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2436 (branch_comparison_operator): Call validate_condition_mode to
2437 abort rather than returning 0.
2438 (branch_positive_comparison_operator): New function.
2439 (scc_comparison_operator): Call validate_condition_mode to abort
2440 rather than returning 0.
2441 (ccr_bit): Call validate_condition_mode. Update for
2443 (print_operand): Delete %C modifier. Update %E case
2444 to use EQ bit not SO bit.
2445 (rs6000_reverse_condition): New function.
2446 (rs6000_generate_compare): New function.
2447 (rs6000_emit_sCOND): New function.
2448 (rs6000_emit_cbranch): New function.
2449 (output_cbranch): The length of a long branch insn is
2450 now only 8 bytes. Add validate_condition_mode. Use
2451 rs6000_reverse_condition. Remove cror generation.
2453 * config/rs6000/rs6000.h: Update comments.
2454 (PREDICATE_CODES): Add new predicate. Update codes used
2455 by branch_comparison_operator and scc_comparison_operator.
2456 * config/rs6000/rs6000-protos.h: Add prototypes for
2457 new external functions.
2458 * config/rs6000/rs6000.md: Add new scheduling parameters
2459 for cr_logical instructions. Change length of branch
2461 (bCOND patterns): Call rs6000_emit_cbranch.
2462 (sCOND patterns): Call rs6000_emit_sCOND.
2463 (branch patterns): Change lengths to 4.
2464 (cr logical patterns): New.
2466 2000-09-06 Richard Henderson <rth@cygnus.com>
2468 * config/i386/i386.md (call_pop): Fix test for setting
2469 current_function_uses_pic_offset_table.
2470 (call, call_value_pop, call_value): Likewise.
2472 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2474 * timevar.c (timevar_add): Delete.
2475 (timevar_get): Also count time since the selected timer was
2476 last updated. Do not examine the timevar stack if the
2477 selected timer is standalone.
2479 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2481 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2483 2000-09-05 Jason Merrill <jason@redhat.com>
2485 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2486 for 'extern' arrays.
2488 2000-09-05 Richard Henderson <rth@cygnus.com>
2490 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2491 Eliminate final copy from non-trapping case.
2492 (__divdf3, __divsf3): Likewise.
2494 2000-09-05 Richard Henderson <rth@cygnus.com>
2496 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2497 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2499 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2501 * Makefile.in: Restructure bootstrap stages to allow clean
2502 restart after failure.
2504 2000-09-05 Richard Henderson <rth@cygnus.com>
2506 * config/ia64.md (movsi and movdi patterns): Allow moves from
2507 8-bit constants to AR registers.
2509 2000-09-05 Richard Henderson <rth@cygnus.com>
2511 * config/ia64/ia64.md (mulhi3): New.
2513 2000-09-05 Richard Henderson <rth@cygnus.com>
2515 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2516 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2517 Optimization Guide, minimum latency alternative.
2518 (__moddi3, __udivdi3, __umoddi3): Likewise.
2519 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2521 2000-09-05 Bruce Korb <bkorb@gnu.org>
2523 * fixinc/fixincl.c (load_file): always read header files
2524 with sizes that are a multiple of the page size.
2525 & use libiberty's getpagesize for determining that.
2527 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2529 * gcse.c (hash_string_1): Add prototype.
2530 * cse.c (canon_hash_string): Likewise.
2532 2000-09-04 Craig Newell <CraigN@ieee.org>
2534 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2536 2000-09-04 Andreas Schwab <schwab@suse.de>
2538 * Makefile.in (STAGESTUFF): Remove libgcc.
2539 (stage1-start, stage2-start, stage3-start): Copy the contents of
2540 the libgcc directory explicitly.
2541 (mostlyclean): Clean libgcc.
2543 2000-09-04 Andrew Haley <aph@redhat.com>
2545 * dwarf2out.c: (stack_adjust_offset): New prototype.
2547 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2549 * combine.c (make_extraction): Fix rtx_cost comparison to
2552 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2554 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2555 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2556 Add '*' to insn pattern name.
2558 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2560 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2561 use posn - 1 to index into tokens array.
2562 (maybe_paste_with_next): Adjust caller.
2564 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2566 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2568 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2569 (REGNO_REG_CLASS): Use symbolic register
2572 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2574 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2575 recognized, don't try to conditionally execute it.
2577 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2579 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2580 (call_value_insn): Right length claculation.
2581 (call_insn): Likewise.
2583 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2585 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2586 gas_output_limited_string, gas_output_ascii, output_movqi,
2587 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2588 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2589 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2590 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2591 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2592 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2593 Add "const" as needed to remove warnings.
2595 * config/avr/avr.c (avr_override_options, avr_init_once,
2596 function_prologue, function_epilogue, frame_pointer_required_p,
2597 class_likely_spilled_p, order_regs_for_local_alloc,
2598 avr_address_cost, avr_ret_register): Use K&R style arguments.
2599 (initial_elimination_offset, gas_output_limited_string):
2600 Remove ATTRIBUTE_UNUSED from the used arguments.
2601 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2602 Use local variables src, dest, base to access operands[].
2603 Rename reg_dest to reg_src if that's what it is.
2604 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2605 constants to LD_REGS if reg_was_0.
2606 (output_reload_insisf): Change arg 3 to insn length and set it.
2607 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2608 access to 16-bit I/O register pairs.
2609 (avr_address_cost): Lower cost for the above case.
2610 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2611 may be clobbered, also for LD_REGS.
2612 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2615 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2617 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2618 macro to test_hard_reg_class function.
2619 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2620 for loading immediate constants to LD_REGS.
2621 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2624 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2626 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2627 * config/avr/libgcc.S: Lost part of the previous patch.
2629 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2631 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2632 object before calling pthread_mutex_init.
2634 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2636 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2637 config/sh/crtn.asm: New files.
2638 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2639 (crt1.o, crti.o, crtn.o): New targets.
2640 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2642 * configure: Rebuilt.
2643 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2644 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2645 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2646 Undefine for config/elfos.h to redefine.
2647 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2649 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2651 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2652 legitimize_pic_address, output_pic_addr_const): Declare.
2653 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2654 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2655 (TARGET_SWITCHES): New switch -mprefergot.
2656 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2657 (PIC_OFFSET_TABLE_REGNUM): Define.
2658 (GOT_SYMBOL_TABLE): Likewise.
2659 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2660 (ENCODE_SECTION_INFO): Define.
2661 (FINALIZE_PIC): New macros.
2662 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2663 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2664 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2665 (prepare_move_operands): Call emit_pic_move or
2666 emit_pic_const_move if appropriate.
2667 (output_far_jump): For PIC, use braf and output long offset.
2668 (machine_dependent_reorg):
2669 (sh_expand_prologue): Save and initialize the PIC register.
2670 (sh_expand_epilogue): Restore it.
2671 (initial_elimination_offset): Account for it.
2672 (nonpic_symbol_mentioned_p): New function.
2673 (legitimize_pic_address): Likewise.
2674 (output_pic_addr_const): Likewise.
2675 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2676 (call, call_value): Use them.
2677 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2678 symPLT_label2reg): New expands.
2679 * invoke.texi (SH Options): Document -mprefergot.
2681 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2683 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2684 * gcse.c (hash_string_1): New function.
2685 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2686 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2687 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2688 (canon_hash_string): New function.
2689 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2690 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2691 (fold_rtx): Use ASM_OPERANDS accessor macros.
2692 * emit-rtl.c (copy_insn_1): Likewise.
2693 * integrate.c (copy_rtx_and_substitute): Likewise.
2694 * stmt.c (expand_asm_operands): Likewise. Give an
2695 ASM_OPERANDS rtx the mode of the output reg being set from it.
2697 2000-09-01 Fred Fish <fnf@be.com>
2699 * fix-header.c (write_rbrac): Add putc and getc to list of
2700 functions to protect against prior definition as a macro.
2702 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2704 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2705 (c_size_type_node): Define.
2706 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2707 * c-common.c (enum format_lengths, enum format_std_version,
2708 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2709 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2710 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2711 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2712 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2713 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2714 format_types): Define.
2715 (format_char_info, print_char_table, scan_char_table,
2716 time_char_table): Rearrange for new organization of information
2717 about format length modifiers and standard versions.
2718 (T_ST): Redefine to use c_size_type_node.
2719 (check_format_info): Obtain information about length modifiers and
2720 standard versions from tables. Adjust warning message wordings.
2721 Use the name from the user's program for `ll' and `hh' length
2722 modifiers in warning messages. Use more informative names for
2723 wanted types where available (for wchar_t, wint_t, size_t, signed
2724 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2726 2000-09-01 Jim Wilson <wilson@cygnus.com>
2728 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2729 * combine.c (distribute_notes): Handle REG_NORETURN.
2730 * rtl.c (reg_note_name): Add REG_NORETURN.
2731 * rtl.h (enum reg_note): Likewise.
2733 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2735 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2736 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2737 (emit_predicate_relation_info): Handle conditional calls with
2739 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2740 instead of ia64_file_start.
2741 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2742 * config/ia64/ia64.md (safe_across_calls_all,
2743 save_across_calls_normal): New patterns.
2745 * loop.c (check_final_value): Check for biv use before checking for
2746 giv use. Check for both biv and giv uses. Always set last_giv_use
2747 if there is a giv use.
2749 2000-09-01 Richard Henderson <rth@cygnus.com>
2751 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2752 (madddi3): Likewise.
2755 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2757 * expr.c (clear_storage): Don't use emit_move_insn unless
2758 either BLKmode or proper size.
2759 (store_constructor): Don't call clear_storage if REG of wrong size.
2761 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2762 of function if returns wiht stack pointer depressed.
2764 2000-09-01 Andrew Haley <aph@redhat.com>
2766 * dwarf2out.c (stack_adjust_offset): New function.
2767 (dwarf2out_stack_adjust): Break out stack adjust logic into
2768 new stack_adjust_offset function. Look inside parallels and
2769 sequences for stack adjustments.
2771 2000-08-31 Jeff Law <law@cygnus.com>
2773 * arm.md: Use no_new_pseudos to determine when it is safe
2774 to create new pseudo registers.
2776 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2777 when we can safely allocate new registers.
2779 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2781 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2782 so that CONCATs are not generated for ASMs.
2783 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2784 not generating_concat_p.
2785 * function.c (pop_function_context_from): Reset
2786 generating_concat_p.
2787 (prepare_function_start): Likewise.
2788 * rtl.c (generating_concat_p): Define.
2789 * rtl.h (generating_concat_p): Declare.
2790 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2792 2000-08-22 Philipp Thomas <pthomas@suse.de>
2793 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2795 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2798 2000-08-30 Greg McGary <greg@mcgary.org>
2800 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2801 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2802 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2804 2000-08-30 Greg McGary <greg@mcgary.org>
2806 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2807 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2808 (TREE_INT_CST): New macro.
2809 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2810 Use new macro TREE_INT_CST.
2812 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2814 * contrib.texi: Add self.
2816 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2818 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2819 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2822 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2824 * fixinc/gnu-regex.c: Don't define `const'.
2826 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2828 * expr.c (store_constructor): Allow variable bounds of array type.
2829 (expand_expr): Don't blow up if type is ERROR_MARK.
2830 * varasm.c (output_constructor): Don't access lower bound of array
2831 type unless need it if index is supplied (so it can be a variable
2832 if no index is supplied).
2833 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2834 Other minor cleanups.
2836 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2838 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2839 for compilations in stage 1 and subsequent stages, respectively.
2840 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2841 * configure: Rebuilt.
2842 * x-vax, x-vax-gcc: Deleted.
2844 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2846 * c-common.c (declare_function_name): Use func_id_node,
2847 function_id_node, and pretty_function_id_node. Do not make
2848 __func__ visible at file scope.
2849 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2850 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2851 (function_id_node, pretty_function_id_node, func_id_node): New
2853 * c-decl.c (init_decl_processing): Initialize function_id_node,
2854 pretty_function_id_node, and func_id_node.
2855 (c_make_fname_decl): Correct comment.
2857 * tree.h (struct tree_identifier): Constify pointer member.
2859 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2860 * c-pragma.h (struct weak_syms): Constify name and value members.
2861 (add_weak): Constify arguments.
2863 * calls.c (special_function_p): Constify a char *.
2864 (expand_call): Remove variable which is initialized and then
2866 * dependence.c (struct def_use, struct induction, struct subscript):
2867 Constify 'variable' member.
2868 (get_low_bound, have_induction_variable): Constify char * argument.
2869 (find_induction_variable): Add braces to avoid dangling else.
2870 (classify_dependence): Constify char * arrays.
2871 * profile.c (output_func_start_profiler): Constify a char *.
2872 * stor-layout.c (finalize_record_size): Constify a char *.
2873 * tree.c (is_attribute_p): Constify a char *.
2874 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2876 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2877 for comprehensibility. Do not call get_identifier if we did
2878 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2879 create temporary string constants, not ggc_alloc_string. No
2880 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2881 char * to hold IDENTIFIER_POINTERs.
2883 2000-08-29 Richard Henderson <rth@cygnus.com>
2885 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2888 2000-08-29 Richard Henderson <rth@cygnus.com>
2890 * reload.c (push_secondary_reload): Allow class == reload_class
2891 if we're using a reload_in/out pattern.
2893 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2894 the half that does not conflict with the reload register.
2895 (reload_outti): Likewise.
2897 2000-08-29 Kazu Hirata <kazu@hxi.com>
2899 * reload.c: Fix formatting.
2901 * stmt.c: Fix formatting.
2903 * gcc.c: Fix formatting.
2905 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2907 * flags.h (time_report, mem_report): New global flags.
2908 * toplev.c: Define time_report and mem_report.
2909 (f_options): Add -ftime-report and -fmem-report.
2910 (compile_file): Turn on time_report if quiet_flag is off.
2911 Call ggc_print_statistics at very end if mem_report is on.
2912 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2914 * ggc-common.c (ggc_print_statistics): Rename to
2915 ggc_print_common_statistics; all callers changed. Scale
2916 quantities above 10K to kilobytes and above 10M to megabytes.
2917 * ggc-page.c (ggc_page_print_statistics): Rename to
2918 ggc_print_statistics. Report memory consumed by internal data
2919 structures for each allocation bucket. Scale quantities above
2920 10K to kilobytes and above 10M to megabytes.
2921 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2922 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2923 Define tally_leaves always.
2924 (ggc_print_statistics): New function.
2925 * ggc.h: Adjust for renamed functions.
2927 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2929 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2930 output_movsisf instead of which_alternative.
2932 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2934 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2936 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2937 (avr_progmem_p): New prototype.
2938 (output_movsisf): Prototype declaration changed.
2939 (output_movqi): New prototype.
2940 (output_movhi): New prototype.
2941 (call_insn_operand): Likewise.
2942 (final_prescan_insn): Likewise.
2943 (avr_simplify_comparision_p): Likewise.
2944 (avr_normalize_condition): Likewise.
2945 (compare_eq_p): Likewise.
2946 (out_shift_with_cnt): Likewise.
2947 (const_int_pow2_p): Likewise.
2948 (output_reload_inhi): Prototype declaration changed.
2950 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2951 (ldi_reg_rtx): New. rtx for r31.
2952 (avr_init_stack): Initialize as "__stack".
2953 (function_prologue): Use it.
2954 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2955 (avr_mcu_name): Initialize as "avr2".
2956 (avr_enhanced_p, avr_mega_p): New variables.
2957 (mcu_types, avr_override_options): Handle all known MCU types.
2958 Also handle avr1 (only preprocess, assemble and link).
2959 (print_operand): Using of `%K' in output template removed.
2960 (out_movqi_r_mr): Optimized.
2961 (out_movhi_r_mr): Likewise.
2962 (output_movqi): New function.
2963 (output_movhi): Likewise.
2964 (out_movsi_r_mr): Optimized.
2965 (output_movsisf): Compute insn length for `adjust_insn_length'
2966 (out_movqi_mr_r): Optimized.
2967 (out_movhi_mr_r): Optimized.
2968 (adjust_insn_length): Use output_movsisf, output_movqi,
2969 output_movhi for insn length adjusting.
2970 (reg_unused_after): Use dead_or_set_p.
2971 (preferred_reload_class): Now havn't any restriction.
2972 (reg_was_0): New function.
2973 (io_address_p): Likewise.
2974 (const_int_pow2_p): Likewise.
2975 (output_reload_inhi): Likewise.
2976 (output_reload_insisf): Likewise.
2978 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2979 (LIB_SPEC): Use -lc for all supported devices.
2980 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2981 (AVR_MEGA): Define as avr_mega_p.
2982 (AVR_ENHANCED): New, define as avr_enhanced_p.
2983 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2984 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2985 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2986 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2987 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2988 (ASM_SPEC): Pass -mmcu=... to the assembler.
2989 Change all -DAVR_* to -D__AVR_*__.
2990 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2991 Rename library functions to start with two underscores.
2992 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2994 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2995 (SUPPORTS_WEAK): Likewise.
2996 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2997 register for loading constants to r0-r14.
2999 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3001 (*mov_r_sp): Removed. Handled by output_movhi.
3002 (*mov_sp_r): Likewise.
3003 (*mov_sp_r_no_interrupts): Likewise
3004 (*mov_sp_r_tiny): Likewise.
3005 (*movqi): Use output_movqi.
3006 (*reload_inqi): New.
3007 (*movhi): Use output_movhi.
3008 (*reload_inhi): New.
3009 (*negsi2): Optimized.
3010 (*negsf2): Likewise.
3011 Added peepholes (define_peephole2) for loading constants to r0-r14
3012 and for using `cpse' command.
3014 * config/avr/libgcc.S: Rename library functions to start with two
3016 Add support for enhanced core.
3017 (_moqhi3): Fix typo, now _modqi3.
3018 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3019 (__prologue_saves__): Remove test for stack adjust by 0.
3020 (__tablejump__): New.
3022 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3023 Add multilib support.
3025 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3027 * loop.c (prescan_loop): Don't check unknown_address_altered
3028 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3029 to loop_store_mems as necessary.
3030 (loop_invariant_p): Don't check unknown_address_altered
3031 or unknown_constant_address_altered.
3033 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3035 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3037 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3039 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3040 print just the filename.
3041 * cpplex.c (_cpp_run_directive): Add additional argument, the
3042 name to give the synthetic buffer. This defaults to
3043 translated "<command line>".
3044 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3046 (_cpp_define_builtin): New function.
3047 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3048 * cpphash.h: Update prototypes.
3050 * tradcpp.c (main): Process -D and -U simultaneously, in the
3051 order they appeared on the command line.
3053 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3055 * c-decl.c (define_label): Call warning_with_file_and_line and
3056 error_with_file_and_line instead of plain warning or error.
3058 * c-parse.in (label): Use save_filename/save_lineno to ensure
3059 correct values for calls to define_label.
3061 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3063 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3065 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3067 * tree.h (get_file_function_name): Remove two duplicate
3070 2000-08-28 Kazu Hirata <kazu@hxi.com>
3072 * tree.c: Fix formatting.
3074 * xcoffout.c: Fix formatting.
3076 2000-08-28 Jason Merrill <jason@redhat.com>
3078 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3080 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3082 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3083 break_out_includes if it won't do anything.
3085 2000-08-28 Richard Henderson <rth@cygnus.com>
3087 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3088 (find_reloads): Likewise.
3089 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3090 (reload_inhi): Likewise.
3092 2000-08-28 Richard Henderson <rth@cygnus.com>
3094 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3095 (call_insn_operand): Don't expect a surrounding mem.
3096 (constant_call_address_operand): Likewise.
3097 * config/i386/i386.h (PREDICATE_CODES): Update.
3098 * config/i386/i386.md (call patterns): Move the match_operand
3099 for the call destination inside the mem.
3101 2000-08-28 Richard Henderson <rth@cygnus.com>
3103 * local-alloc.c (requires_inout): Don't use reserved range for
3104 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3105 * recog.c (asm_operand_ok): Likewise.
3106 (preprocess_constraints, constrain_operands): Likewise.
3107 * regclass.c (record_reg_classes): Likewise.
3108 * reload.c (find_reloads): Likewise.
3109 * reload1.c (maybe_fix_stack_asms): Likewise.
3110 (reload_cse_simplify_operands): Likewise.
3111 * stmt.c (expand_asm_operands): Likewise.
3113 * md.texi: Update constraints documentation.
3114 * tm.texi (EXTRA_CONSTRAINT): Update.
3116 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3118 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3119 (print_die): If we don't know the offset of the
3120 target die, try the symbol. Add a trailing newline.
3121 (reverse_all_dies): New fn.
3122 (dwarf2out_finish): Call it.
3123 (break_out_includes): Reorganize for clarity.
3124 (add_sibling_attributes): Don't call reverse_die_lists.
3125 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3127 * flags.h: Add flag_eliminate_dwarf2_dups.
3128 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3130 2000-08-28 Jason Merrill <jason@redhat.com>
3132 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3133 * dwarf2out.c: #include "md5.h".
3134 (DIE_LABEL_PREFIX): New macro.
3135 (dw_val_struct): Add 'external' flag to val_die_ref.
3136 (add_AT_die_ref, AT_ref): Adjust.
3137 (AT_ref_external, set_AT_ref_external): New fns.
3138 (build_abbrev_table): Call set_AT_ref_external.
3139 (value_format): Call AT_ref_external.
3140 (die_struct): Add die_symbol field.
3141 (new_die): Clear it.
3142 (dwarf_tag_name): Handle BINCL/EINCL.
3143 (dwarf2out_start_source_file): Add BINCL DIE.
3144 (dwarf2out_end_source_file): Add EINCL DIE.
3145 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3146 (loc_checksum, attr_checksum, die_checksum): New fns.
3147 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3148 (compute_section_prefix, assign_symbol_names): New fns.
3149 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3150 (output_die): Call output_die_symbol and AT_ref_external.
3151 (output_comdat_comp_unit): New fn, split out from...
3152 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3154 (output_pubnames, output_aranges): Abort if we see entries from
3156 * toplev.h: Declare file_name_nondirectory.
3157 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3158 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3159 (debug_start_source_file): Call dwarf2out_start_source_file
3160 regardless of debug verbosity.
3161 (debug_end_source_file): Similarly.
3162 * tree.h: Declare clean_symbol_name.
3163 * tree.c (clean_symbol_name): Split out from...
3164 (get_file_function_name_long): ...here.
3166 * dwarf2out.c (new_loc_descr): Use calloc.
3167 (splice_child_die): Remove the die from the right parent.
3168 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3170 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3172 * toplev.c (decode_g_option): Don't give warning for unknown -g
3173 option; return 0 instead.
3174 (main): If -g option is not recognized by front end or
3175 language-independent code, give warning.
3177 2000-08-28 Greg McGary <greg@mcgary.org>
3179 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3180 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3181 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3183 2000-08-27 Greg McGary <greg@mcgary.org>
3185 * cpplex.c (parse_string): Don't look for backslash
3186 before first char in `namebuf'.
3187 * loop.c (strength_reduce): Skip NOTEs.
3189 2000-08-27 Jason Merrill <jason@redhat.com>
3191 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3192 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3193 TREE_ASM_WRITTEN, either.
3194 (finish_decl): Adjust.
3196 2000-08-28 Philipp Thomas <pthomas@suse.de>
3198 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3199 they have been incorporated into the gettext CVS. Change the text to
3200 reflect the current status of NLS. Add instructions for accessing
3201 the gettext CVS and add the patch from Martin v. Loewis.
3203 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3205 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3206 by using gen_lowpart_common.
3207 (movdi_internal64+6): Likewise.
3209 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3211 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3214 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3215 numbers to the ranges used by GDB.
3217 2000-08-25 Richard Henderson <rth@cygnus.com>
3219 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3220 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3221 (ia64_expand_prologue): Likewise.
3222 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3223 argument for stdargs.
3225 2000-08-25 Jason Merrill <jason@redhat.com>
3227 * integrate.c (expand_inline_function): Pull out the original decl.
3229 2000-08-25 Jim Wilson <wilson@cygnus.com>
3231 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3233 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3235 2000-08-25 Greg McGary <greg@mcgary.org>
3237 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3238 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3240 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3242 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3244 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3246 * i386.c (ix86_find_base_term): New.
3247 * i386-protos.h (ix86_find_base_term): Prototype.
3248 * i386.h (FIND_BASE_TERM): Define.
3249 * alias.c (find_base_term): Use it.
3250 * tm.texi (FIND_BASE_TERM): Document it.
3252 * alias.c (true_dependence, write_dependence_p): Unchanging
3253 memory can't conflict with non-unchanging memory.
3255 * alias.c (memrefs_conflict_p): A BLKmode reference
3256 to a symbol (or CONST_INT address) always conflicts
3257 with a reference to another symbol.
3259 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3261 * c-common.c (time_char_table): Don't allow width and flags with
3264 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3266 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3267 way as LT and LTU when the second operand has 0 in low word.
3269 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3271 * basic-block.h (struct loop): Rename `exits' field to
3272 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3274 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3275 (flow_loop_entry_edges_find): Add.
3276 (flow_edge_list_print): Rename from flow_exits_print.
3277 (flow_loops_find): Call flow_loop_entry_edges_find.
3278 (flow_loop_dump): Dump entry_edges list.
3279 (flow_loops_free): Free entry_edges.
3281 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3283 * loop.c (loop_dump_aux, debug_loop): New functions.
3284 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3286 * flow.c (flow_loops_dump): Add callback parameter.
3287 (flow_loop_dump): Add callback parameter and call it. Move
3288 loop note debugging code to loop_dump_aux.
3290 * basic-block.h (flow_loop_dump): Add callback parameter
3291 (flow_loops_dump): Likewise.
3293 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3294 to call to flow_loops_dump.
3296 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3298 * loop.c (count_loop_regs_set): Replace start and end arguments
3299 with loop argument. All callers udated.
3301 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3303 * loop.c (constant_high_bytes): Delete.
3305 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3307 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3308 and NOTE_INSN_LOOP_VTOP to...
3309 (find_and_verify_loops) ...here.
3311 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3313 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3314 (fini_dummy, init_dummy): Use it.
3316 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3318 * cpplex.c (is_macro_disabled): Caller has already checked
3319 that we're not a preprocessed file.
3321 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3323 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3324 (c-iterate.o): Remove target.
3325 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3326 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3327 (finish_decl): Don't handle iterators.
3328 (grokdeclarator): Likewise.
3329 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3330 * gcc/c-gperf.h: Regenerated.
3331 * gcc/c-iterate.c: Removed.
3332 * gcc/c-lex.c (init_lex): Don't handle iterators.
3333 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3334 (compstmt_primary_start): Remove push_iterator_stack call.
3335 (stmt): Don't allow iterator statements. Replace iterator_expand
3336 with expand_expr_stmt.
3337 (all_iter_stmt): Remove.
3338 (all_iter_stmt_simple): Likewise.
3339 (all_iter_stmt_with_decl): Likewise.
3340 * gcc/c-tree.h (ITERATOR_P): Remove.
3341 (ITERATOR_BOUND_P): Likewise.
3342 (init_iterators): Remove declaration.
3343 (iterator_expand): Likewise.
3344 (iterator_for_loop_start): Likewise.
3345 (iterator_for_loop_end): Likewise.
3346 (iterator_for_loop_record): Likewise.
3347 (push_iterator_stack): Likewise.
3348 (pop_iterator_stack): Likewise.
3349 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3350 (readonly_warning): Likewise.
3351 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3353 2000-08-24 Jim Wilson <wilson@cygnus.com>
3355 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3356 Copy type in a TYPE_DECL, just like pushdecl does.
3358 2000-08-24 Richard Henderson <rth@cygnus.com>
3360 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3362 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3364 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3365 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3366 the extras on the free list.
3367 (release_pages): Clean up.
3368 (ggc_set_mark): Don't adjust G.allocated here...
3369 (sweep_pages): ... do it here.
3371 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3373 * cppfiles.c (read_include_file): Rearrange initializations.
3375 2000-08-24 Richard Henderson <rth@cygnus.com>
3377 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
3379 * config/ia64/ia64-protos.h: Update.
3380 * config/ia64/ia64.c (gr_register_operand): New.
3381 (fr_register_operand, grfr_register_operand): New.
3382 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
3383 (grfr_reg_or_8bit_operand): New.
3384 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
3385 use gr_register_operand.
3386 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3387 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3388 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3389 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3390 (fr_reg_or_fp01_operand): Likewise.
3391 (not_postinc_memory_operand): New.
3392 (ia64_split_timode): Remove unused variables.
3393 (rtx_needs_barrier): Check arguments to cmpxchg.
3394 (builtin_description): Remove.
3395 (bdesc_2argsi, bdesc_2argdi): Remove.
3396 (ia64_init_builtins): Declare all builtins directly.
3397 (ia64_expand_fetch_and_op): Rewrite to be called from
3398 ia64_expand_builtin directly. Use expand_binop and co.
3399 (ia64_expand_op_and_fetch): Likewise.
3400 (ia64_expand_compare_and_swap): Likewise.
3401 (ia64_expand_binop_builtin): Remove.
3402 (ia64_expand_lock_test_and_set): New.
3403 (ia64_expand_lock_release): New.
3404 (ia64_expand_builtin): Use them.
3405 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3406 (EXTRA_CONSTRAINT): Use it.
3407 (PREDICATE_CODES): Update.
3408 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3409 (mf): Indicate that we set memory as well as use it.
3410 (fetchadd_acq_si): Show memory being modified as well.
3411 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3412 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3413 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3414 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3415 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3416 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3417 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3418 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3419 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3420 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3421 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3422 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3423 return type. Pretty print definitions.
3425 2000-08-24 Jim Wilson <wilson@cygnus.com>
3427 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3428 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3430 2000-08-24 Jason Merrill <jason@redhat.com>
3432 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3433 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3434 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3435 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3437 2000-08-24 Greg McGary <greg@mcgary.org>
3439 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3440 and extendtab within their proper array boundaries.
3441 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3442 for the entire array.
3444 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3445 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3446 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3447 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3448 * config/i386/dgux.c (output_options): Likewise.
3449 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3450 * config/m88k/m88k.c (output_options): Likewise.
3451 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3452 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3453 layout_mcore_frame, handle_structs_in_regs): Likewise.
3454 * config/mips/mips.c (output_block_move): Likewise.
3455 * config/rs6000/rs6000.c (rs6000_override_options,
3456 rs6000_file_start): Likewise.
3457 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3458 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3459 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3460 * builtins.c (expand_builtin_setjmp): Likewise.
3461 * expr.c (safe_from_p): Likewise.
3462 * flow.c (life_analysis): Likewise.
3463 * fold-const.c (size_int_type_wide): Likewise.
3464 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3465 * genattrtab.c (make_length_attrs): Likewise.
3466 * genopinit.c (gen_insn): Likewise.
3467 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3468 * global.c (global_alloc): Likewise.
3469 * local-alloc.c (find_free_reg): Likewise.
3470 * mips-tdump.c (print_symbol): Likewise.
3471 * mips-tfile.c (parse_def, parse_input): Likewise.
3472 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3473 * stmt.c (expand_nl_goto_receiver): Likewise.
3474 * stor-layout.c (set_sizetype): Likewise.
3475 * varasm.c (decode_reg_name): Likewise.
3476 * toplev.c (decode_f_option, decode_W_option,
3477 set_target_switch, print_switch_values): Likewise.
3478 (NUM_ELEM): Remove macro.
3479 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3481 2000-08-24 Greg McGary <greg@mcgary.org>
3483 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3484 (MAIN_NAME_P, main_identifier_node): New macros.
3485 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3486 * c-decl.c (start_decl, grokdeclarator, start_function,
3487 store_parm_decls, finish_function): Use MAIN_NAME_P.
3488 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3489 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3490 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3491 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3493 2000-08-24 Greg McGary <greg@mcgary.org>
3495 * cppfiles.c (actual_directory): Don't write beyond `dir'
3496 when it contains "".
3497 * real.c (asctoeg): Stay within bounds of etens[][].
3499 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3501 * dependence.c (dependence_string, direction_string,
3502 dump_one_node, dump_node_dependence): Hide unused identifiers.
3503 (get_low_bound, normalize_coefficients): Match definition to
3505 (get_one_coefficient): Initialize variables `value0_is_idx' and
3507 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3508 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3509 (direction_merge): Avoid automatic aggregate initialization.
3510 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3511 Initialize variables `dest_idx' and `src_idx'.
3512 (end_dependence_analysis): Avoid C89 style function definition.
3514 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * c-common.c (time_char_table): Don't allow width with %F.
3517 (check_format_info): Don't allow "Z" length with scanf.
3519 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3521 * diagnostic.c (finish_diagnostic): Define.
3522 (output_do_printf): Use wrap_text instead of output_add_string.
3523 (default_print_error_function): Avoid embedded '\n'.
3525 * diagnostic.h (flush_diagnostic_buffer): Declare.
3527 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3529 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3531 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3533 * Makefile.in (GCC_PASSES): Add specs.
3535 2000-08-23 Jim Wilson <wilson@cygnus.com>
3537 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3538 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3539 EHANDLER nor UHANDLER bit is set.
3540 (__get_except_table): Likewise.
3542 2000-08-23 Nick Clifton <nickc@redhat.com>
3544 * config/arm/lib1funcs.asm: Replace upper case condition codes
3545 with lower case versions.
3547 * config/arm/arm.h (STRUCT_VALUE): Define.
3548 (STRUCT_VALUE_REGNUM): Delete.
3550 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3552 * cpphash.h (IN_I): New flag for directive table.
3553 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3555 (_cpp_check_directive): If -fpreprocessed, execute directives
3556 marked with IN_I. Issue no warnings in this case.
3557 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3559 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3561 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3563 (check_format_info): Support printf 'I' flag; warn about it with
3566 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3568 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3569 barrier can't be ignored by the alias analysis code.
3571 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3573 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3574 works inside fixincl.
3576 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3578 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3579 simplify_relational_operation() unless both operands are of
3581 * cse.c (fold_rtx): Likewise.
3583 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3585 * rtlanal.c (rtx_unstable_p): The pic register is stable
3586 (within one function) and the actual rtx should be used
3587 when checking the registers.
3588 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3590 * alias.c (true_dependence, write_dependence_p): Fix
3591 bug in previous patch.
3593 * i386.c (ix86_GOT_alias_set): New.
3594 (legitimize_pic_address): Use it.
3596 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3597 only stable if its address is stable.
3598 (rtx_varies_p): An unchanging MEM can't vary if
3599 its address doesn't vary.
3601 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3605 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3607 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3608 * x-vax-gcc: New file for bootstrapping with gcc.
3609 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3610 * configure.in: Use x-vax-gcc with gcc.
3611 * configure: Rebuilt.
3613 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3615 * toplev.c (rest_of_compilation): Rebuild label notes after
3616 post-reload splitting pass if new labels have been created.
3618 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3620 * diagnostic.h (output_buffer_state): New macro.
3621 * diagnostic.c (diagnostic_for_decl, sorry,
3622 default_print_error_function, output_do_verbatim,
3623 report_diagnostic, report_problematic_module): Use it.
3625 (output_format): Use wrap_text instead of maybe_wrap_text.
3627 2000-08-22 Nick Clifton <nickc@redhat.com>
3629 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3630 Common code for ARM divide and modulus functions.
3631 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3633 (FUNC_END): New macro: Common code at the end of the division and
3635 (THUMB_FUNCTION_START): New macro: Common code at the start of
3637 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3639 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3641 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3643 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3644 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3647 2000-08-22 Nick Clifton <nickc@redhat.com>
3649 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3650 restorative additions, test for bottom bits of IP being set,
3651 rather than relying upon the RORs not matching.
3654 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3656 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3657 text_section() as appropriate instead of emitting text csect
3659 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3660 (UNIQUE_SECTION): Define macro.
3661 (ASM_OUTPUT_SECTION_NAME): Define macro.
3662 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3663 on AIX if debugging and -fdata-sections always.
3665 2000-08-22 Steven King <sxking@uswest.net>
3667 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3669 (LDBL_MAX): Same here.
3671 2000-08-22 Richard Henderson <rth@cygnus.com>
3673 * flow.c (tidy_fallthru_edge): Update b->end properly.
3675 2000-08-22 Stan Cox <scox@redhat.com>
3677 * Makefile.in (OBJS): Add dependence.o.
3678 * dependence.c: New file.
3680 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3682 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3684 (check_sibcall_argument_overlap): Likewise.
3686 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3688 * invoke.texi (SH Options): Document -m4-nofpu,
3689 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3690 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3692 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3694 * c-common.c (check_format_info): Give the 'some locales' warning
3695 for strftime %Ey rather than the unconditional 'only last 2 digits
3698 2000-08-22 Richard Henderson <rth@cygnus.com>
3700 * alias.c (init_alias_analysis): Do not register
3701 struct_value_incoming_rtx or static_chain_rtx as pointing
3704 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3706 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3708 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3710 * diagnostic.h (report_problematic_module): Declare.
3711 * diagnostic.c (report_problematic_module): New function.
3712 (report_error_function): Tweak.
3714 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3716 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3717 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3719 2000-08-21 Richard Henderson <rth@cygnus.com>
3721 * flow.c (calculate_global_regs_live): Mark frame pointer live
3722 everywhere before reload.
3724 2000-08-21 Jim Wilson <wilson@cygnus.com>
3726 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3727 INTEL_EXTENDED_IEEE_FORMAT.
3728 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3729 clear last two bytes of output FP value.
3731 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3733 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3735 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3737 * unroll.c (loop_find_equiv_value): If ret is modified between
3738 insn and loop_start, ret might not be equivalent to reg.
3740 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3742 * c-common.c (init_dollar_format_checking,
3743 maybe_read_dollar_number, finish_dollar_format_checking): New
3745 (dollar_arguments_used, dollar_arguments_count,
3746 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3748 (check_format_info): Support $ formats for scanf and printf width
3749 and precision. Always increment format_chars to advance past the
3750 '*' of precision, not just when the format parameters are
3753 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * mips.c (block_move_loop, expand_block_move,
3756 function_arg_partial_nregs, save_restore_insns, function_prologue,
3757 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3759 (function_arg_advance, function_arg): Match argument to format
3762 2000-08-21 Nix <nix@esperi.demon.co.uk>
3764 * gcc.c (do_spec_1): Implement %j spec flag.
3765 Remove dead comment.
3767 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3768 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3769 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3770 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3772 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3773 writable) instead of hardcoded value.
3775 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3777 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3780 * gcc.c (cc1_options): Do not process -o or run the assembler if
3782 * objc/lang-spec.h: Likewise.
3784 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3786 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3787 "external" fixes through `cat', to avoid truncating the input
3788 file by redirection.
3790 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3792 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3794 (lea_general_2, lea_general_3): Likewise.
3796 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3799 warnings to user code.
3801 * c-lex.c (readescape, yylex): Likewise.
3803 * c-typeck.c (store_init_value, process_init_element): Likewise
3804 (c_expand_start_case): Format.
3806 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3808 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3810 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3811 and linker_endian_spec to endian_spec.
3812 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3813 (LINK_SPEC): Remove %{EB} and %{EL}.
3814 (ASM_SPEC): Likewise. Use %(endian_spec).
3816 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3818 * c-tree.h (flag_hosted): Move declaration from here...
3819 * c-common.h (flag_hosted): ... to here.
3820 (flag_noniso_default_format_attributes): New declaration.
3821 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3822 (c_decode_option): Set it appropriately for options choosing
3823 language standard variant.
3824 * c-common.c (init_function_format_info): Only provide default
3825 format attributes if flag_hosted. Only provide the gettext
3826 formats if flag_noniso_default_format_attributes. Update
3828 (check_format_info): Disable treatment of %a as a scanf flag in
3831 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3833 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3835 (check_format_info): Set 'wide' for scanf format widths. Warn for
3836 a zero scanf width. Make the check for writing into a constant
3837 object at the first level of indirection; at later levels, warn if
3838 any type qualifiers are encountered.
3840 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3842 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3844 (push_reload): Use reload_inner_reg_of_subreg.
3845 (combine_reloads): Do not combine reloads if the input reload
3846 is a SUBREG in which the inner part will need reloading.
3848 * global.c (global_alloc): Avoid passing dumpfile argument to
3850 * toplev.c (rest_of_compilation): Likewise.
3851 * reload.h (reload): Remove dumpfile argument. Callers changed.
3852 (debug_reload, debug_reload_to_stream): Move prototypes here.
3853 * rtl.h (reload): Remove dumpfile argument.
3854 * reload.c (debug_reload): Remove prototype.
3855 (debug_reload_to_stream): Likewise.
3856 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3859 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3861 * diagnostic.c (context_as_prefix): Export.
3862 (need_error_newline): Remove.
3863 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3864 (error_module_changed, record_last_error_module,
3865 error_function_changed, record_last_error_function): New functions.
3866 (initialize_diagnostics): Default intialize
3867 lang_diagnostic_starter, lang_diagnostic_finalizer.
3868 (init_output_buffer): Tweak.
3869 (file_name_as_prefix): New function.
3870 (announce_function, default_print_error_function,
3871 report_error_function, set_diagnostic_context): Tweak.
3873 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3875 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3876 condition expression.
3878 2000-08-20 Richard Henderson <rth@cygnus.com>
3880 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3882 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3884 * cppinit.c (cpp_init): Set global flag when called.
3885 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3887 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3889 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3890 before `process_directive' so that newlines won't be missed
3892 (cpp_printf): Increment `print->lineno' when newline is emitted.
3894 * cppmain.c (cb_ident): Likewise.
3895 (cb_define): Likewise.
3896 (cb_undef): Likewise.
3897 (cb_include): Likewise.
3898 (cb_def_pragma): Likewise.
3899 (dump_macros_helper): Likewise.
3901 2000-08-20 Richard Henderson <rth@cygnus.com>
3903 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3904 assigned before a loop.
3906 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3907 (ashrsi3, lshrsi3): Likewise.
3909 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3911 * c-lang.c: #include diagnostic.h
3912 (c_tree_printer): New function.
3913 (lang_init): Initialize lang_printer.
3915 * Makefile.in (c-lang.o): Depends on diagnostic.h
3917 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3919 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3921 * diagnostic.c (default_diagnostic_starter,
3922 default_diagnostic_finalizer): New functions.
3923 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3924 (pedwarn, pedwarn_with_file_and_line, error,
3925 error_with_file_and_line, fatal, warning,
3926 warning_with_file_and_line): Adjust call to report_diagnostic.
3927 (report_diagnostic): Rework.
3928 (set_diagnostic_context): New function.
3930 * diagnostic.h (struct diagnostic_context): New data structure.
3931 (diagnostic_message, diagnostic_argument_list,
3932 diagnostic_file_location, diagnostic_line_location,
3933 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3934 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3935 (set_diagnostic_context): Declare.
3936 (report_diagnostic): Change prototype.
3938 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3940 * fix-header.c (main): Initialize cpplib.
3942 2000-08-19 Michael Meissner <meissner@redhat.com>
3944 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3945 instructions in it before checking for indirect jumps.
3947 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3948 in a indirect jump as a potential for conditional execution.
3950 * d30v.h (d30v_init_expanders): Don't declare here.
3951 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3954 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3956 * cpp.texi: Add @section for assertions.
3958 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3960 * loop.c (scan_loop): Use CONST_CALL_P instead of
3961 checking for REG_LIBCALL / REG_RETVAL.
3963 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3965 * reload1.c (reload_as_needed): Accept dumpfile argument,
3966 pass it to emit_reload_insns.
3967 (emit_reload_insns): Add new dumpfile argument. If non-null
3968 then dump the reloads for each insn into the dumpfile.
3969 (reload): Pass dumpfile to reload_as_needed.
3971 * invoke.texi: Clean up linux-gnu vs linux comments.
3973 2000-08-19 Richard Henderson <rth@cygnus.com>
3975 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3976 (ia64_depz_field_mask): New.
3977 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3978 (PREDICATE_CODES): Update.
3979 * config/ia64/ia64.md: Update commentary.
3980 (depz_internal): New.
3981 (ashlsi3): Implement directly.
3982 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3983 (ashldi3): Use shladd.
3984 * config/ia64/ia64-protos.h: Update.
3986 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3988 * toplev.c (independent_decode_option): Always process -g.
3989 Remove third argument, now unused. Adjust caller to match.
3991 2000-08-18 Richard Henderson <rth@cygnus.com>
3993 * combine.c (make_compound_operation): Break after creating
3996 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3998 * cpplib.c (cpp_register_pragma_space): Just return if the
3999 namespace is already registered.
4001 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4003 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4004 constant amount. Do not generate ROTL instruction.
4006 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4008 * config/sh/elf.h: Do not include sh/sh.h.
4009 * config/sh/rtems.h: Likewise.
4010 * config/sh/rtemself.h: Do not include sh/elf.h.
4011 * configure.in: Get them included with `tm_file's.
4012 * configure: Rebuilt.
4014 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4015 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4017 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4019 * stor-layout.c (compute_record_type): Don't use mode of single
4020 field as mode of record if not integer mode of same type.
4022 * regmove.c (perhaps_ends_bb_p): New function.
4023 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4024 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4025 (fixup_match_1): Likewise.
4026 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4027 avoid signed/unsigned warnings.
4029 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4032 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4034 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4035 (_cpp_trigraph_map): Declaration moved from cpplex.c
4037 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4038 instead of 256. Use consistent test for designated initializers.
4039 (cpp_init): Initialize trigraph_map.
4040 (initialize_standard_includes, parse_option): Use memcmp
4043 * cpplex.c (init_trigraph_map): Remove.
4044 (trigraph_ok, trigraph_replace, lex_line): Refer to
4047 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4048 (do_unassert): Remove unused "next" local.
4050 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4052 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4054 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4057 2000-08-17 Richard Henderson <rth@cygnus.com>
4059 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4060 the first insn in a sequence.
4062 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4064 * alias.c (true_dependence, write_dependence_p): A read
4065 involving a label_ref or the constant pool doesn't create
4068 * rtl.h (unchanging): Improve documentation.
4070 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4072 * cse.c (insert_regs): Remove unused `regno'.
4074 2000-08-17 Neil Booth <NeilB@earthling.net>
4076 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4077 remove_dup_dirs. If qtail == brack, remove brack not
4079 (remove_dup_dir, remove_dup_dirs): New functions.
4081 2000-08-17 Neil Booth <NeilB@earthling.net>
4083 * cppinit.c (cpp_cleanup): Free include dir chains.
4084 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4085 (do_unassert): Free the assert with _cpp_free_definition.
4086 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4087 assertions. Make the node a T_VOID node.
4089 2000-08-17 Neil Booth <NeilB@earthling.net>
4091 * cppinit.c (path_include, append_include_chain):
4092 Remove 2nd parameter (struct cpp_pending *).
4093 (path_include, initialize_standard_includes, cpp_handle_option):
4094 Update callers appropriately.
4095 (cpp_handle_option): Use pend.
4097 2000-08-17 Neil Booth <NeilB@earthling.net>
4099 * cppinit.c (sort_options): Remove, put functionality in
4102 (initialize_builtins): Free memory.
4103 (cpp_start_read): Move init_IStable to cpp_init.
4105 * cpplib.h (cpp_init): New prototype.
4106 * cppmain.c (main): Call cpp_init.
4108 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4110 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4111 (rtx_unstable_p, rtx_varies_p): Process vectors.
4113 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4115 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4116 references to GLOBAL symbols. Use LOCAL where appropriate.
4118 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4120 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4121 use t-aix41 when host == target.
4123 2000-08-16 Richard Henderson <rth@cygnus.com>
4125 * reload.c (push_secondary_reload): Revert last change.
4126 If we use a reload_in/out pattern, make the when the same
4127 as the primary reload.
4128 (find_reloads): Likewise.
4130 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4132 * configure.in (libstdcxx-v3): Fix test.
4133 * configure: Regenerate.
4135 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4137 * calls.c (calls_function_1, expand_call): Only test
4138 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4139 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4141 2000-08-16 Richard Henderson <rth@cygnus.com>
4143 * combine.c (simplify_shift_const): Revert previous two
4144 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4145 before the main loop.
4147 2000-08-15 Richard Henderson <rth@cygnus.com>
4149 * combine.c (simplify_shift_const): Bound shift count when
4152 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4154 * calls.c (ECF_SP_DEPRESSED): New macro.
4155 (calls_function_1): Treat calling sp-depressed function as alloca.
4156 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4157 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4158 If sp-depressed, ensure block saves and restores SP.
4159 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4161 * function.c (keep_stack_depressed): New function.
4162 (thread_prologue_and_epilogue_insns): Call it.
4163 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4164 to print DECL_OFFSET_ALIGN.
4165 Print no-force-blk and transparent-union flags properly.
4166 * stmt.c (expand_goto_internal): Don't restore stack if last block
4167 and function returns with sp depressed.
4168 (fixup_gotos): Likewise.
4169 (save_stack_pointer): New function, from code in expand_decl.
4170 (expand_decl): Call new function.
4171 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4172 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4173 (save_stack_pointer): New declaration.
4175 * diagnostic.c (fatal_function): New variable.
4176 (set_fatal_function): New function.
4178 * diagnostic.h (set_fatal_function): New declaration.
4180 2000-08-15 William Cohen <wcohen@redhat.com>
4182 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4183 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4184 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4186 2000-08-15 Richard Henderson <rth@cygnus.com>
4188 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4190 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4192 * arm.c (arm_function_ok_for_sibcall): New function.
4193 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4194 * arm.md (call expanders): Don't check here for calls that can't
4197 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4199 * arm.md (splits generating cond_exec): Disable.
4201 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4203 * arm/linux-elf.h (text_section): Delete declaration.
4205 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4207 ARM support for unordered FP operations.
4208 * arm-protos.h (arm_comparison_operator): Declare.
4209 * arm.c (arm_comparison_operator): New function.
4210 (arm_select_cc_mode): Add unordered comparison codes.
4211 (get_arm_condition_code): Likewise.
4212 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4213 be done in one insn.
4214 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4215 * arm.md (all uses of comparison_operator): Replace with
4216 arm_comparison_operator.
4217 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4219 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4222 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4224 * gthr-posix.h: Conditionally include <sched.h>; include
4225 <config.h> from libobjc/.
4227 2000-08-14 Richard Henderson <rth@cygnus.com>
4229 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4232 2000-08-14 Richard Henderson <rth@cygnus.com>
4234 * configure.in (ia64-*): Set float_format for i386 long double.
4236 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4237 as we would for i386 XFmode.
4238 (PUT_REAL): Likewise.
4239 (endian, ereal_atof, real_value_truncate): Likewise.
4240 (ereal_isneg, toe64, etens, make_nan): Likewise.
4241 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4243 * config/ia64/ia64-protos.h: Update.
4244 * config/ia64/ia64.c (general_tfmode_operand): New.
4245 (destination_tfmode_operand): New.
4246 (tfreg_or_fp01_operand): New.
4247 (ia64_split_timode): New.
4248 (spill_tfmode_operand): New.
4249 (ia64_expand_prologue): Use TFmode not XFmode.
4250 (ia64_expand_epilogue): Likewise.
4251 (ia64_function_arg): Likewise.
4252 (ia64_function_arg_advance): Likewise.
4253 (ia64_return_in_memory): Likewise.
4254 (ia64_function_value): Likewise.
4255 (ia64_print_operand): Likewise.
4256 (ia64_register_move_cost): Set GR<->FR to 5.
4257 (ia64_secondary_reload_class): Get GR for TImode memory op.
4258 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4259 (ROUND_TYPE_ALIGN): Remove.
4260 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4261 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4262 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4263 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4264 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4265 (CLASS_MAX_NREGS): Likewise.
4266 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4267 (PREDICATE_CODES): Update.
4268 * config/ia64/ia64.md (movti): New.
4269 (movti_internal): Use a clobber for memory alternatives.
4270 (reload_inti, reload_outti): New.
4271 (movsfcc_astep): Predicate properly.
4272 (movdfcc_astep): Likewise.
4275 (extendsftf2, extenddftf2): New.
4276 (trunctfsf2, trunctfdf2): New.
4277 (floatditf2, fix_trunctfdi2): New.
4278 (floatunsditf2, fixuns_trunctfdi2): New.
4279 (addtf3, subtf3, multf3, abstf2): New.
4280 (negtf2, nabstf2, mintf3, maxtf3): New.
4281 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4283 (fr_spill): Use TFmode, not XFmode.
4284 (fr_restore): Likewise.
4285 * config/ia64/lib1funcs.asm (__divtf3): New.
4286 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4288 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4290 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4292 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4293 `U' integer constant suffix.
4295 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4298 * sparc/sol2.h (__enable_execute_stack): Prototype.
4300 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4302 * collect2.c: Remove use of AIX import file.
4304 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4306 * rs6000.c (print_operand, case 'E'): Add else.
4308 2000-08-14 Richard Henderson <rth@cygnus.com>
4310 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4311 (movdi_symbolic): New.
4313 2000-08-14 Jim Wilson <wilson@cygnus.com>
4315 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4316 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4317 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4320 2000-08-14 Richard Henderson <rth@cygnus.com>
4322 * expr.c (emit_group_load): Don't force constants into registers.
4323 Special case source already in the correct mode.
4325 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4327 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4328 * fixinc/inclhack.def: Likewise.
4329 * fixinc/mkfixinc.sh: Likewise.
4330 * configure: Regenerate.
4331 * fixinc/fixincl.x: Regenerate.
4332 * install.texi: Document equivalence of linux and linux-gnu.
4334 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4336 * cse.c (insert_regs): Also in REG case: When finding an invalid
4337 value, and we make a new quantity, make sure that it won't be
4338 mistaken by for a valid one by mention_regs.
4340 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4342 * h8300.md: Remove obsolete peepholes.
4344 2000-08-13 Kazu Hirata <kazu@hxi.com>
4346 * invoke.texi (H8/300 Options): Fix typos.
4347 * config/h8300.c: Fix formatting.
4348 * config/h8300.h: Fix comment typos.
4349 (OVERRIDE_OPTIONS): Fix formatting.
4351 * function.c: Fix formatting.
4353 * cse.c: Fix formatting.
4355 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4357 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4358 (attempt_auto_inc): Suppress parentheses warning.
4359 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4360 * loop.c (load_mems): Remove `u' suffix in two places.
4361 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4363 * config/rs6000/rs6000.h: Likewise.
4364 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4365 __eabi dummy routine.
4366 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4369 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4370 not put stuff in .sdata unnecessarily.
4371 (rs6000_unique_section): New function.
4372 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
4373 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
4375 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
4376 arrays in C99. Don't try to look at DECL_REGISTER of a
4377 COMPONENT_REF. Don't complain twice about the same error.
4379 * fixinc/inclhack.def (aix_pthread): New fix.
4380 (aix_sysmachine): New fix.
4381 * fixinc/fixincl.x: Regenerate.
4383 * expr.c (expand_expr): Call convert_modes when turning a large
4384 multiply into a small one.
4386 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4388 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4389 the tree structure an exponent rather than an explicit alignment
4390 so it doesn't overflow.
4391 (SET_DECL_OFFSET_ALIGN): New macro.
4392 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4393 rather than DECL_OFFSET_ALIGN.
4394 (place_field): Likewise.
4395 * expmed.c (store_bit_field): Abort on align==0 to avoid
4396 antisocial machine behaviour.
4398 2000-08-12 Richard Henderson <rth@cygnus.com>
4400 * sibcall.c (uses_addressof): Accept both addressof and
4401 current_function_internal_arg_pointer inside a mem.
4402 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4403 if current_function_uses_addressof.
4404 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4407 2000-08-11 Richard Henderson <rth@cygnus.com>
4409 * config/ia64/ia64.md (addsi3): Remove expander.
4410 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4411 (*addsi3_shladd): New.
4413 2000-08-11 Richard Henderson <rth@cygnus.com>
4415 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4416 (do_restore): Likewise.
4417 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4418 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4419 (rtx_needs_barrier): Track actual bit manipulation for
4420 ar.unat moves, gr_spill, and gr_restore.
4421 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4422 (process_set): Don't handle varargs spills.
4423 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4424 .mem.offset here instead of in process_set.
4425 (gr_restore): Likewise.
4427 2000-08-11 Richard Henderson <rth@cygnus.com>
4429 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4431 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4433 * gcc.texi (The Configuration File): Document
4434 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4435 UPDATE_PATH_HOST_CANONICALIZATION.
4437 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4440 unprototyped function pointer casts on integer constants.
4442 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4444 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4446 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4448 * extend.texi (Volatiles): Fix typos.
4450 2000-08-11 Kazu Hirata <kazu@hxi.com>
4452 * flow.c: Fix formatting.
4454 2000-08-11 Richard Henderson <rth@cygnus.com>
4456 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4457 pattern, always allocate a tertiary scratch register.
4459 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4460 (reload_inhi): Likewise.
4462 2000-08-11 Richard Henderson <rth@cygnus.com>
4464 * function.c (put_reg_into_stack): Allow type to be NULL.
4465 (schedule_fixup_var_refs): Likewise.
4466 (gen_mem_addressof): Allow decl to be NULL.
4467 (put_addressof_into_stack): Likewise.
4469 * flow.c (merge_blocks_nomove): Be more careful about
4470 locating the beginning of block A.
4472 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4474 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4479 * config.in: Reverted the check for <sched.h>.
4481 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4483 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4484 macros define the name of CTOR and DTOR sections.
4485 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4486 DTOR_LIST_END): Change to use attributes to specify
4488 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4489 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4490 DTOR_LIST_END): Same as in mips/elf.h.
4492 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4494 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4495 disabling just crt0.o.
4497 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4499 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4500 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4501 (EXTRA_SPECS): Add them.
4502 * arm/lib1funcs.asm: Support builds for interworking.
4503 Use macros to eliminate duplicated pieces of code.
4505 2000-08-10 Kazu Hirata <kazu@hxi.com>
4507 * h8300.c (expand_a_rotate): New.
4508 (emit_a_rotate): Likewise.
4509 (h8300_adjust_insn_length): Add support for the rotate insns.
4510 * h8300.md (rotlqi3): New.
4511 (*rotlqi3_1): Likewise.
4512 (rotlhi3): Likewise.
4513 (*rotlhi3_1): Likewise.
4514 (rotlhi3): Likewise.
4515 (*rotlhi3_1): Likewise.
4516 * h8300-proto.h: Add prototypes for expand_a_rotate and
4519 * h8300.c: Fix comment typos.
4520 (dosize): Declare the variable amount as unsigned.
4521 (get_shift_alg): Fix a comparison between signed and unsigned.
4522 (emit_a_shift): Likewise.
4523 (h8300_adjust_insn_length): Simplify the code.
4525 * c-decl.c: Fix formatting.
4527 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4530 warning about non-traditional numeric constant suffixes.
4532 * cppexp.c (parse_number): Likewise.
4534 * invoke.texi: (-Wtraditional): Document new behavior.
4536 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4538 * gthr-posix.h: Include auto-host.h. Conditionally include
4540 * configure.in: Check for the <sched.h> header file.
4541 * config.in: Added define for HAVE_SCHED_H.
4543 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4545 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4546 initialization of unions.
4548 * invoke.texi (-Wtraditional): Document new behavior.
4550 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4552 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4553 instead of extra_c_flags.
4554 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4555 * configure: Regenerate.
4556 * config.in: Regenerate.
4558 * cpperror.c (cpp_type2name): New function.
4559 * cpplex.c (lex_line): If we issued an error for an invalid
4560 preprocessing directive, discard that logical line.
4561 * cpplib.c (do_line): Call a hook function if the current file
4562 is renamed by #line.
4563 (do_ident): Pass the contents of the string, not the entire
4564 token, to the callback function.
4565 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4566 (cb.rename_file): New hook function.
4567 (cb.ident): Adjust prototype.
4568 (cpp_type2name): Prototype.
4569 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4571 * cppmain.c (cb_ident): Update for changed interface.
4572 (cb_rename_file): New function.
4573 (main): Set rename callback.
4575 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4577 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4578 multi-word registers.
4580 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4582 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4583 or ISO C89 instead of ANSI C.
4584 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4585 build_enumerator, do_case): Likewise.
4586 * c-lex.c (parse_float, yylex): Likewise.
4587 * c-parse.in: Likewise.
4588 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4589 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4590 build_c_cast, convert_for_assignment, set_init_index,
4591 set_init_label, c_expand_start_case): Likewise.
4592 * toplev.c (documented_lang_options, display_help): Likewise.
4594 2000-08-08 Kazu Hirata <kazu@hxi.com>
4596 * h8300.c: Fix formatting.
4597 * h8300.h: Likewise.
4598 * h8300.md: Likewise.
4599 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4601 * reload1.c: Fix formatting.
4603 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4605 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4606 Use GEN_CALL_VALUE define.
4607 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4608 * clipper/clipper.md (untyped_call): Likewise.
4609 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4610 * fx80/fx80.md (untyped_call): Likewise.
4611 * mips/mips.md (untyped_call): Likewise.
4612 * ns32k/ns32k.md (untyped_call): Likewise.
4613 * pa/pa.md (untyped_call): Likewise.
4614 * romp/romp.md (untyped_call): Likewise.
4615 * sparc/sparc.md (untyped_call): Likewise.
4617 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4619 * config/i860/i860.c (singlemove_string): Do not generate assembler
4620 pseudo instructions that must be expanded (that is, with signed
4621 constants larger than 16 bits).
4623 2000-08-08 Richard Henderson <rth@cygnus.com>
4625 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4626 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4627 (init_propagate_block_info): Don't kill memory stores at -O0.
4628 (mark_set_1, mark_used_regs): Likewise.
4630 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4632 * rs6000.c (optimization_options): Decorate 'level' as
4634 (mask64_operand): Remove sign-extend thinko.
4635 (rldic_operand): New function.
4636 (load_multiple_operation): regno's are unsigned ints.
4637 (store_multiple_operation): Likewise.
4638 (lmw_operation): Likewise.
4639 (stmw_operation): Likewise.
4640 (includes_lshift_p): shift_mask is unsigned int.
4641 (includes_lshift64_p): New function.
4642 (addrs_ok_for_quad_peep): unsigned int reg1.
4643 (print_operand): Consistently add "else" after
4644 output_operand_lossage().
4645 (print_operand, case 'b'): Fold in case 'W'.
4646 (print_operand, case 'W'): Print rldic MB value.
4647 (output_epilogue): Update Objective-C language string.
4648 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4649 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4650 * rs6000.md (ashldi3): Add rldic instruction.
4651 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4652 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4655 2000-08-08 Richard Henderson <rth@cygnus.com>
4657 * config/ia64/ia64-protos.h: Remove duplicates. Update
4658 for massive code rearrangements.
4659 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4660 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4661 (ia64_local_regs, ia64_need_regstk): Remove.
4662 (ar_ccv_reg_operand): New.
4663 (ia64_gp_save_reg): New.
4664 (struct ia64_frame_info): Combine most of the size elements;
4665 add new gr save elements.
4666 (find_gr_spill): New.
4667 (next_scratch_gr_reg): New.
4668 (mark_reg_gr_used_mask): New.
4669 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4670 to GR backing store regs when possible.
4671 (ia64_initial_elimination_offset): New.
4672 (ia64_rap_fp_offset): Remove.
4673 (save_restore_insns): Remove.
4674 (setup_spill_pointers): New.
4675 (finish_spill_pointers): New.
4676 (spill_restore_mem): New.
4677 (do_spill, do_restore): New.
4678 (ia64_expand_prologue): Rewrite to use them.
4679 (ia64_expand_epilogue): Likewise.
4680 (ia64_direct_return): Update for current_frame_info changes.
4681 (ia64_function_prologue): Simplify .prologue emission. Emit
4683 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4684 (ia64_dbx_register_number): New.
4685 (ia64_initialize_trampoline): New.
4686 (ia64_secondary_reload_class): Request GR_REGS for integer
4687 arithmetic destined for FR_REGS.
4688 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4689 (ia64_mark_machine_status): Mark ia64_gp_save.
4690 (rws_access_regno): Rename from rws_access_reg; don't treat
4691 predicates specially.
4692 (rws_access_reg): New. Update all callers.
4693 (rtx_needs_barrier): Remove dead unspecs.
4694 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4695 (ia64_encode_section_info): Silence signed/unsigned warnings.
4696 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4697 (tmp_reg, tmp_saved): Remove.
4698 (process_set): Rewrite to expect complicated bits via
4699 REG_FRAME_RELATED_EXPR.
4700 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4701 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4702 (ia64_expand_op_and_fetch): Likewise.
4703 (ia64_expand_compare_and_swap): Likewise.
4704 (ia64_expand_builtin): Likewise.
4705 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4706 (FIRST_PSEUDO_REGISTER): Update.
4707 (AR_M_REGNO_P): Update.
4708 (FIXED_REGS): Don't mark three local registers as used.
4709 (EXTRA_CC_MODES): New.
4710 (SELECT_CC_MODE): New.
4711 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4712 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4713 (FRAME_GROWS_DOWNWARD): Unset.
4714 (STARTING_FRAME_OFFSET): Zero.
4715 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4716 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4717 (HARD_FRAME_POINTER_REGNUM): New.
4718 (CAN_DEBUG_WITHOUT_FP): Define.
4719 (TRAMPOLINE_TEMPLATE): Remove.
4720 (TRAMPOLINE_SIZE): Lower to 32.
4721 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4722 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4723 (PREDICATE_CODES): Update.
4724 (struct machine_function): Add ia64_gp_save.
4725 * config/ia64/ia64.md: Purge unused unspecs.
4726 (movsi patterns): Allow moves to/from AR_M_REGS.
4727 (movdi patterns): Allow moves to/from p0.
4728 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4729 (gr_spill, gr_restore): Indicate ar.unat read/written.
4730 (nonlocal_goto): Don't pass old frame_pointer.
4731 (nonlocal_goto_receiver): Remove.
4732 (exception_receiver): New.
4733 (builtin_setjmp_setup): New.
4734 (builtin_setjmp_receiver): New.
4735 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4736 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4737 (__ia64_restore_stack_nonlocal): Likewise.
4738 (__ia64_trampoline): New.
4739 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4741 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4743 2000-08-08 Richard Henderson <rth@cygnus.com>
4745 * frame.h (ia64_frame_state): Add my_psp.
4746 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4747 (__throw): Pass it in. Don't clobber r7.
4748 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4749 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4750 and nothing to do with sp.
4751 (normalize_reg_loc): Use frame->my_psp.
4752 (frame_translate): Handle frame-pointer-less functions. Set
4753 spill_base correctly, in absence of being told.
4754 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4755 (__ia64_backtrace_helper): New sp argument. Use
4756 builtin_return_address instead of label addresses.
4757 (print_record) [mem_stack_v]: No size member.
4759 2000-08-08 Richard Henderson <rth@cygnus.com>
4761 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4763 2000-08-08 Richard Henderson <rth@cygnus.com>
4765 * tm.texi (LOCAL_REGNO): Document.
4766 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4767 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4768 * reload1.c (reload): Likewise when considering nonlocal labels.
4770 * config/ia64/ia64.h (LOCAL_REGNO): New.
4771 * config/sparc/sparc.h (LOCAL_REGNO): New.
4773 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4775 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4777 2000-08-07 Nick Clifton <nickc@redhat.com>
4779 * config/mips/mips.c: Fix compile time warning messages.
4780 * config/mips/mips-protos.h: Add prototype for equality_op.
4782 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4784 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4786 * mn10300.md: Use nonimmediate_operand instead of general_operand
4789 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4791 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4793 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4794 * sh.c (expand_block_move): Break long lines.
4795 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4796 * sh.md (mulsi3): Likewise.
4797 (movdi): Adjust spacing.
4799 2000-08-07 Richard Henderson <rth@cygnus.com>
4801 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4802 * expr.c (emit_group_store): Don't set it.
4804 2000-08-07 Kazu Hirata <kazu@hxi.com>
4806 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4807 duplicate entries for 'w' and 'z'.
4809 * flow.c: Fix a comment typo.
4811 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4813 * c-parse.in: Changed the language string for Objective-C to "GNU
4816 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4818 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4819 to improve the Posix thread support for Objective-C.
4821 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4823 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4824 CTI_UNSIGNED_PTRDIFF_TYPE.
4825 (signed_size_type_node): Define.
4826 (unsigned_ptrdiff_type_node): Define.
4827 * c-decl.c (init_decl_processing): Create the
4828 signed_size_type_node and unsigned_ptrdiff_type_node types.
4829 * c-common.c (T_SC): Define.
4832 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4833 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4835 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4836 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4837 flags for %c, %s and %[.
4838 (check_format_info): Only allow leniency for signedness of targets
4839 of character pointers (when pedantic) for formats flagged with
4840 "c", so for strings but not for %hh formats. When pedantic, don't
4841 allow character pointers to substitute for void pointers if a
4842 second level of indirection is present.
4844 2000-08-06 Kazu Hirata <kazu@hxi.com>
4846 * invoke.texi (Options for Debugging Your Program or GCC): Update
4847 the names of dump files.
4849 * h8300.c (dosize): Rearrange code for conciseness.
4850 (split_adds_subs): Likewise.
4852 * loop.c: Fix formatting.
4854 * dwarf2out.c: Fix formatting.
4856 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4858 * expr.c: Fix formatting.
4860 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4862 * rs6000.c (rs6000_maybe_dead): Prototype.
4864 2000-08-06 Richard Henderson <rth@cygnus.com>
4866 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4867 HAVE_nonlocal_goto as well.
4868 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4869 * config/pj/pj.md (nonlocal_goto): Likewise.
4871 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4873 * loop.c (try_swap_copy_prop): New function.
4874 (load_mems): Rename copies to load_copies and add new regset
4875 store_copies. Check for sets of shadow registers and mark
4876 in store_copies. Call try_swap_copy_prop for registers
4877 marked in store_copies.
4879 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4881 * objc/objc-act.c: New command line option -fconstant-string-class
4882 to allow specifying a user defined constant string class,
4883 different from NXConstantString.
4885 * toplev.c: Moved the Objective-C specific options to
4886 objc/lang-options.h.
4888 * objc/lang-options.h: Moved the Objective-C specific options from
4889 toplev.c. Added -fconstant-string-class.
4891 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4893 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4894 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4895 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4896 avoid extra alignment imposed on arrays.
4897 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4898 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4900 * mips.h: Clean up comments and spacing near MASKs.
4901 (TARGET_UNIX_ASM): Delete.
4902 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4903 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4906 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4908 * c-common.c (print_char_table): Add entries for the X/Open '
4909 format flag (print decimals with locale's thousands grouping
4910 character). Make %C expect wint_t.
4911 (check_format_info): If pedantic, warn when the %n$ operand
4912 number form is used. Allow for the ' flag; warn about it if
4915 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4917 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4918 type is a float mode, cfun->decl's return type is not, and
4919 TARGET_FLOAT_RETURNS_IN_80387.
4921 2000-08-04 Andreas Schwab <schwab@suse.de>
4923 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4924 token list, which are always `#' and `pragma'.
4926 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4928 * tree.c (tree_expr_nonnegative_p): Move to...
4929 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4930 (rtl_expr_nonnegative_p): New.
4931 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4933 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4934 CONST_DOUBLE_CHAIN: Move to...
4935 * rtl.h: ...here. Use XCINT/XCEXP.
4937 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4938 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4939 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4942 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4944 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4946 * config/c4x/c4x.md (return_indirect_internal): New.
4947 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4949 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4951 * c-common.c (time_char_table): Mark up formats added in C99 and
4952 make other corrections. %D and %g were added in C99. %Og is an
4953 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4954 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4955 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4956 %h was added in C99. %C was added in C99. %OY and %OC are
4957 extensions. Add the C99 format %F.
4958 (check_format_info): If pedantic and not in C99 mode, warn for C99
4961 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4963 * function.c (schedule_fixup_var_refs): New function, broken out
4964 of put_reg_into_stack.
4965 (put_reg_into_stack): Use it.
4966 (put_var_into_stack): In CONCAT case, fixup up references for
4967 components only after fixing up references to the whole concat.
4969 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4971 * alias.c (mark_constant_function): Use INSN_P.
4972 (init_alias_analysis): Likewise.
4973 * combine.c (combine_instructions): Use INSN_P.
4974 (can_combine_p): Likewise.
4975 (try_combine): Likewise.
4976 (distribute_notes): Likewise.
4977 (distribute_links): Likewise.
4978 * cse.c (cse_around_loop): Use INSN_P.
4979 (invalidate_skipped_block): Likewise.
4980 (cse_set_around_loop): Likewise.
4981 (cse_end_of_basic_block): Likewise.
4982 (delete_trivially_dead_insns): Likewise.
4983 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4984 (unshare_all_rtl_1): Likewise.
4985 (next_cc0_user): Likewise.
4986 (try_split make_insn_raw): Likewise.
4987 (remove_unnecessary_notes): Likewise.
4988 * final.c (shorten_branches): Use INSN_P.
4989 (leaf_renumber_regs): Likewise.
4990 (leaf_renumber_regs_insn): Likewise.
4991 * flow.c (find_label_refs): Use INSN_P.
4992 (verify_wide_reg): Likewise.
4993 (notice_stack_pointer_modification): Likewise.
4994 (count_or_remove_death_notes): Likewise.
4995 (verify_flow_info): Likewise.
4996 (clear_log_links): Likewise.
4997 * function.c (fixup_var_refs_insns): Use INSN_P.
4998 (compute_insns_for_mem): Likewise.
4999 * gcse.c (alloc_gcse_mem): Use INSN_P.
5000 (compute_sets): Likewise.
5001 (compute_hash_table): Likewise.
5002 (classic_gcse): Likewise.
5004 (insert_insn_end_bb): Likewise.
5005 (delete_null_pointer_checks_1): Likewise.
5006 * global.c (expand_preferences): Use INSN_P.
5007 (build_insn_chain): Likewise.
5008 * graph.c (node_data): Use INSN_P.
5009 * haifa-sched.c (priority): Use INSN_P.
5010 (rm_line_notes): Likewise.
5011 (rm_other_notes): Likewise.
5012 (find_insn_reg_weight): Likewise.
5013 (init_target_units): Likewise.
5014 (schedule_block): Likewise.
5015 (compute_block_forward_dependences): Likewise.
5016 (debug_dependencies): Likewise.
5017 (set_priorities): Likewise.
5018 * integrate.c (function_cannot_inline_p): Use INSN_P.
5019 (save_parm_insns): Likewise.
5020 (copy_insn_list): Likewise.
5021 * jump.c (mark_all_labels): Use INSN_P.
5022 (never_reached_warning): Likewise.
5023 * lcm.c (optimize_mode_switching): Use INSN_P.
5024 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5025 (memref_used_between_p): Likewise.
5026 (update_equiv_regs): Likewise.
5027 (block_alloc): Likewise.
5028 (no_conflict_p): Likewise.
5029 * loop.c (scan_loop): Use INSN_P.
5030 (find_and_verify_loops): Likewise.
5031 (count_loop_regs_set): Likewise.
5032 (loop_reg_used_before_p): Likewise.
5033 (strength_reduce): Likewise.
5034 (recombine_givs): Likewise.
5035 (check_dbra_loop): Likewise.
5036 (load_mems): Likewise.
5037 (try_copy_prop): Likewise.
5038 * print-rtl.c (print_rtx): Use INSN_P.
5039 * recog.c (find_single_use): Use INSN_P.
5040 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5041 (next_flags_user): Likewise.
5042 (swap_rtx_condition): Likewise.
5043 * regmove.c (mark_flags_life_zones): Use INSN_P.
5044 (optimize_reg_copy_1): Likewise.
5045 (optimize_reg_copy_2): Likewise.
5046 (optimize_reg_copy_3): Likewise.
5047 (reg_is_remote_constant_p): Likewise.
5048 (fixup_match_2): Likewise.
5049 (regmove_optimize): Likewise.
5050 (fixup_match_1): Likewise.
5051 * regrename.c (build_def_use): Use INSN_P.
5052 (replace_reg_in_block): Likewise.
5053 (consider_use): Likewise.
5054 * reload.c (find_equiv_reg): Use INSN_P.
5055 * reload1.c (reload): Use INSN_P.
5056 (maybe_fix_stack_asms): Likewise.
5057 (calculate_needs_all_insns): Likewise.
5058 (reload_as_needed): Likewise.
5059 (emit_output_reload_insns): Likewise.
5060 (delete_address_reloads_1): Likewise.
5061 (reload_cse_regs_1): Likewise.
5062 (reload_combine): Likewise.
5063 (reload_cse_move2add): Likewise.
5064 * reorg.c (redundant_insn): Use INSN_P.
5065 (dbr_schedule): Likewise.
5066 * resource.c (find_dead_or_set_registers): Use INSN_P.
5067 (mark_target_live_regs): Likewise.
5068 * rtlanal.c (reg_used_between_p): Use INSN_P.
5069 (reg_referenced_between_p): Likewise.
5070 (reg_set_between_p): Likewise.
5071 (reg_set_p): Likewise.
5072 (single_set): Likewise.
5073 (multiple_sets): Likewise.
5074 (find_last_value): Likewise.
5075 (reg_set_last): Likewise.
5076 (find_reg_note): Likewise.
5077 (find_regno_note): Likewise.
5078 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5079 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5080 * ssa.c (find_evaluations): Use INSN_P.
5081 (rename_block): Likewise.
5082 (rename_equivalent_regs): Likewise.
5083 * unroll.c (loop_find_equiv_value): Use INSN_P.
5084 (set_dominates_use): Likewise.
5085 * varasm.c (mark_constant_pool): Use INSN_P.
5086 (mark_constants): Likewise.
5087 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5088 (alphaev4_next_group): Likewise.
5089 (alphaev5_next_group): Likewise.
5090 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5091 (c4x_rptb_rpts_p): Likewise.
5092 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5093 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5094 (rs6000_adjust_priority): Likewise.
5095 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5096 (machine_dependent_reorg): Likewise.
5097 (split_branches): Likewise.
5098 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5100 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5102 * combine.c (recog_for_combine): Remove the old notes
5103 prior to attempting to recognize the new pattern.
5104 (distribute_notes): Ignore REG_NONNEG notes.
5106 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5108 * varasm.c (output_constructor): Add .align 0 for packed vars.
5110 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5112 * configure.in: Use default thread_file even when enable_threads is
5113 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5114 * configure: Rebuilt.
5116 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5118 2000-08-04 Donn Terry (donnte@microsoft.com)
5120 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5122 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5124 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5125 Delete code that conditionally modifies 'version'.
5126 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5127 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5128 * gcc.c (main): Use it.
5129 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5130 * prefix.c (update_path): Use it.
5131 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5132 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5133 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5135 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5136 (SUBTARGET_SWITCHES): Adjust.
5137 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5139 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5141 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5143 * c-common.h (flag_isoc94): Declare.
5144 * c-decl.c (flag_isoc94): Define.
5145 (c_decode_option): Set flag_isoc94 as appropriate.
5146 * c-common.c (T_PD, T_IM, T_UIM): Define.
5147 (format_char_info): Add tlen and jlen.
5148 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5150 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5152 (time_char_table): Add NULL entries for %t and %j.
5153 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5154 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5155 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5156 precision. Allow precision argument to be unsigned int. If
5157 pedantic, warn for %p passed an argument not a pointer to possibly
5158 qualified void or a possibly qualified character type, and for
5159 pointer targets of the wrong sign, except for character pointers.
5161 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5163 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5164 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5165 (wint_type_node): Define.
5166 * c-decl.c (WINT_TYPE): Define.
5167 (init_decl_processing): Create the wint_type_node type.
5168 * c-common.c (T_WI): Define.
5169 (print_char_table): Use T_WI for %lc format.
5171 2000-08-04 Bruce Korb <bkorb@gnu.org>
5173 * fixinc/: Verified that the MSDOS patch does not break
5174 the UNIX functionality and applied the next three patches
5177 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5179 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5180 output file with the temporary one by appending ".X" to generate
5181 the temporary fuile's name. If the output file already has an
5182 extension, replace it with ".X".
5184 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5185 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5186 reallocate the command buffer while copying the command-line
5187 argument. Redirect the output directly to the temporary file,
5188 instead of going through another temporary file.
5189 (process): Close the temporary file before unlinking it.
5190 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5191 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5192 (run_compiles): Pass p_fixd argument to machine_matches, as it
5195 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5196 environment, assume there are no symlinks in the include
5197 directory. When cleaning up the DONE files, look for them
5198 case-insensitively. Don't try to remove symlinks if they aren't
5201 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5202 all callers changed. Declare pz "const char *", to avoid compiler
5205 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5206 Change prototype of make_raw_shell_str.
5208 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5210 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5211 (initialize) [__MSDOS__]: Use tempnam.
5212 (initialize): Don't use SIGPIPE if it is not defined.
5214 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5217 2000-07-25 Bruce Korb <bkorb@gnu.org>
5219 * fixinc/fix*.[ch]: substantially reworked to make it possible
5220 to run this program without using fork(2) or pipe(2) (i.e. in
5223 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5225 * cppdefault.h (WINT_TYPE): Define.
5226 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5227 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5228 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5230 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5232 * (mips_legitimate_address_p): Don't allow register+offset
5233 if the offset is large and negative, and we are compiling
5234 for 64 bit registers.
5236 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5238 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5239 insn_code_number + 1.
5241 2000-08-04 Kazu Hirata <kazu@hxi.com>
5243 * h8300.c (function_prologue): Rearrange code for conciseness.
5244 (function_epilogue): Likewise.
5245 * h8300.h (OK_FOR_U): Fix formatting.
5247 * cse.c: Fix a comment typo. Fix formatting.
5249 2000-08-03 Richard Henderson <rth@cygnus.com>
5251 * config/i386/i386.md (return_indirect_internal): New.
5252 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5254 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5256 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5258 (lex_line): Glue @ onto the beginning of identifiers and
5259 string constants, in Objective-C mode.
5260 (output_token, spell_token): Handle CPP_OSTRING.
5261 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5262 beginning of a NAME or a STRING, in objc mode.
5264 * cpplib.c (get_define_node): Do not permit identifiers that
5265 begin with @ to be #defined.
5266 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5267 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5269 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5270 * c-tree.h (build_objc_string): Delete prototype.
5271 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5272 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5274 * c-parse.in, objc/objc-act.c: Update commentary.
5276 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5278 * extend.texi: Fix typo in last change.
5280 * extend.texi: Add commentary on statement-expressions and their
5281 interactions with C++.
5283 2000-08-03 Nick Clifton <nickc@cygnus.com>
5285 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5286 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5288 2000-08-03 Anthony Green <green@cygnus.com>
5290 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5291 (add_bound_info): Check for java language.
5292 (is_java): New function.
5293 * dwarfout.c (output_compile_unit_die): Ditto.
5294 * dwarf.h (dwarf_source_language): Add java source language type.
5295 * dwarf2.h (dwarf_source_language): Ditto.
5297 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5299 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5302 * i386.c (ix86_expand_branch): Mode of comparison in
5303 IF_THEN_ELSE is VOIDmode.
5305 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5307 * gengenrtl.c, rtl.c: Avoid #elif.
5309 2000-08-03 Michael Poole <poole@troilus.org>
5311 * tm.texi (Register Classes): Clarify order of sub-initializers
5312 in REG_CLASS_CONTENTS.
5314 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5316 From SAITOH Masanobu:
5317 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5319 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5321 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5322 is not supported by tradcpp and isn't actually needed for cygwin.
5324 2000-08-03 Kazu Hirata <kazu@hxi.com>
5326 * h8300.c: Fix a comment typo.
5327 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5329 * jump.c: Fix formatting.
5331 * toplev.c: Fix formatting.
5333 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5335 * flow.c (find_auto_inc): Verify that we've got a REG before
5336 peeking at its regno. Fail, don't abort if we can't find
5337 the increment of the desired register.
5339 * pa.md (shadd height reduction patterns/splitters): Remove.
5341 2000-08-02 Jim Wilson <wilson@cygnus.com>
5343 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5344 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5346 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5348 * dce.c: Remove all uses of assert.
5349 * dwarf2out.c: Likewise.
5350 * dwarfout.c: Likewise.
5353 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5355 * gcc.h (lang_specific_driver): Constify second argument.
5356 * gcc.c (translate_options, process_command, main): Likewise.
5357 Constify variables to match. Cast second argument to
5360 * cppspec.c, gccspec.c: Adjust type of second argument to
5361 lang_specific_driver, and update code as necessary.
5363 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5365 * loop.c (scan_loop): Ensure update_end label does not
5366 go away until reg_scan_update is run.
5368 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5370 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5371 * c-tree.h: ... not here.
5372 * errors.h: Prototype fancy_abort.
5374 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
5375 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
5376 * regrename.c (regrename_optimize): Make control flow explicit.
5377 (replace_reg_in_block): Initialize reg_use to 0.
5379 * i386.c (legitimate_address_p): Rename error label to
5380 report_error to avoid namespace clash.
5382 2000-08-02 Kazu Hirata <kazu@hxi.com>
5384 * fold-const.c: Fix formatting.
5386 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5388 * i386.c (legitimate_address_p): Accept other bases than
5389 pic_offset_table_rtx for GOTOFF constructs.
5391 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5393 * i386.md (shift to lea splitter): Use const_int_operand.
5395 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5397 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5398 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5401 * cppmain.c (cb_define, cb_undef): Don't generate any output
5402 if not done_initializing.
5403 * cpplex.c (maybe_paste_with_next): When the token after a ##
5404 is an omitted rest argument, only delete the token before it
5405 if that token is a comma. Do not warn about bogus token
5406 pastes for , ## rest_arg.
5409 * cpp.1: Regenerate.
5411 2000-08-02 Fred Fish <fnf@be.com>
5413 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5414 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5417 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5418 Be directories to search path.
5420 Remove support for __declspec(dllimport) and __declspec(dllexport).
5421 This is leftover cruft from the earlier BeOS gcc port when BeOS
5422 used Microsoft's PE object file format.
5423 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5424 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5425 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5426 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5427 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5428 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5429 (REDO_SECTION_INFO_P): Remove.
5430 (ASM_EXPORT_DECL): Remove.
5431 (ASM_DECLARE_FUNCTION_NAME): Remove.
5432 (ASM_DECLARE_OBJECT_NAME): Remove.
5433 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5434 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5435 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5436 (STRIP_NAME_ENCODING): Remove.
5438 Remove support for obsolete version of BeOS that is no longer
5440 * configure.in (i*86-*-beospe*): Remove.
5441 * config/i386/beos-pe.h: Remove.
5443 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5444 Mark Mitchell <mark@codesourcery.com>
5446 * Makefile.in (OBJS): Added dce.o.
5447 (ssa.o): Updated target to include ssa.h.
5449 (toplev.o): Likewise.
5450 (dce.o): Created target.
5451 * basic-block.h: Added comments.
5452 (INVALID_BLOCK): Added definition.
5453 (connect_infinite_loops_to_exit): Added declaration.
5454 Moved SSA declarations to ssa.h.
5455 * flow.c: Added inclusion of ssa.h.
5456 (struct depth_first_search_dsS, depth_first_search_ds):
5458 (compute_immediate_postdominators): Added definition.
5459 (connect_infinite_loops_to_exit): Likewise.
5460 (flow_dfs_compute_reverse_init): Likewise.
5461 (flow_dfs_compute_reverse_add_bb): Likewise.
5462 (flow_dfs_compute_reverse_execute): Likewise.
5463 (flow_dfs_compute_reverse_finish): Likewise.
5464 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5465 (LABEL_P): Added definition.
5468 (BARRIER_P): Likewise.
5469 (JUMP_TABLE_DATA_P): Likewise.
5470 (INSN_DEAD_CODE_P): Likewise.
5471 * ssa.c: Replaced inclusions with ssa.h inclusion.
5472 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5473 (rename_registers): Removed unnecessary variables.
5474 * ssa.h: Created by moving declarations from ssa.c and
5476 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5477 * toplev.c: Added ssa.h inclusion.
5478 (dump_file_index): Added DFI_dce.
5479 (dump_file): Added "dce" entry.
5481 (f_options): Added dce entry.
5482 * invoke.texi: Document -fdce. Emphasize experimental status of
5486 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5488 * cpperror.c (v_message): Split into _cpp_begin_message and
5489 v_message macro. All callers updated.
5490 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5493 * cppfiles.c (cpp_syshdr_flags): New function.
5494 (read_include_file): Don't call cpp_output_tokens. Call
5496 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5497 (cpp_reader_init): Don't initialize token_buffer. Call
5498 _cpp_init_internal_pragmas.
5499 (cpp_cleanup): Don't clear token_buffer.
5500 (cpp_start_read): Don't worry about output from -D processing.
5501 Don't call cpp_output_tokens.
5502 (cpp_finish): Don't dump macros here. Don't call
5504 * cppmacro.c (_cpp_dump_definition): Rename
5505 cpp_dump_definition. Write directly to a FILE *.
5506 (dump_funlike_macro): Delete.
5507 (dump_macro_args): New.
5509 * cpplex.c (TOKEN_LEN): Convert to inline function.
5510 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5511 cpp_scan_line, _cpp_dump_list): Delete.
5512 (cpp_printf, cpp_output_list): New.
5513 (output_line_command): Don't worry about entering or leaving files.
5514 (cpp_scan_buffer): Just output each token as we hit it.
5515 (process_directive): Don't call cpp_output_tokens.
5516 (_cpp_glue_header_name): Don't use token_buffer.
5517 (output_token, dump_param_spelling): Write directly to a FILE *.
5519 * cpplib.c (pass_thru_directive, dump_macro_name,
5520 pragma_dispatch, do_pragma_gcc): Delete.
5521 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5522 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5524 (do_error, do_warning, pragma_dependency): Call
5525 _cpp_begin_message, then cpp_output_list.
5526 (cpp_register_pragma, cpp_register_pragma_space,
5527 _cpp_init_internal_pragmas): New.
5528 (do_pragma): Walk the pragmas table here.
5529 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5530 do_pragma_dependency): Return void.
5531 (do_pragma_implementation): Moved to cppmain.c.
5533 * cpplib.h: Update prototypes.
5534 (struct cpp_reader): Remove printer, token_buffer,
5535 token_buffer_size, and limit. Add struct cb, and pragmas.
5536 (struct cpp_printer): Remove last_id and written.
5537 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5538 CPP_ADJUST_WRITTEN): Delete.
5539 * cpphash.h: Update prototypes.
5540 (ufputs): New wrapper.
5542 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5543 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5544 (main): Set up callbacks. Register #pragma implementation.
5545 Dump macros from here.
5547 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5549 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5550 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5551 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5552 insns if they have a REG_MAYBE_DEAD note attached.
5553 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5554 (rs6000_emit_load_toc_table): TOC loads may go dead.
5556 2000-08-01 Jim Wilson <wilson@cygnus.com>
5558 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5559 type exists before using it. Use number of words as alignment
5561 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5562 ia64_va_arg): Propagate ia64_function_args changes here.
5564 2000-08-01 Richard Henderson <rth@cygnus.com>
5566 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5567 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5569 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5571 From Joern Rennecke:
5572 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5573 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5574 unless TARGET_SH3E is set.
5575 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5577 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5578 (ashlsi3_std): New pattern.
5579 (ashlsi3 expander): Use it for TARGET_SH3.
5580 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5582 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5584 * loop.c (canonicalize_condition): Use destination, not source to
5585 determine SET's mode.
5587 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5589 * flow.c (clear_log_links): Fix typo.
5591 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5593 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5594 on targets which need more than one insn for a compare/cbranch
5597 2000-07-31 Jim Wilson <wilson@cygnus.com>
5599 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5600 when computing offset.
5602 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5604 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5606 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5608 * flow.c (clear_log_links): Nuke global_live_at_start and
5609 global_live_at_end data, since if the log_links stuff is invalid
5610 so is global_live_at_*.
5612 2000-07-31 Richard Henderson <rth@cygnus.com>
5614 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5616 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5618 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5619 (_cpp_get_token): Don't macro expand a just pasted token if it
5620 was pasted at no_expand_level.
5622 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5624 * cppmacro.c (find_param, count_params, save_expansion):
5625 Permit 'defined' as a macro parameter name.
5627 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5629 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5630 xcpp to cpp throughout.
5631 (native): Remove unnecessary dependency on cpp.
5633 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5634 tradcpp to tradcpp0.
5635 (.i spec): Add missing output-file spec to cc1 command line.
5636 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5638 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5640 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5641 (implicit_decl_warning): New function.
5642 (implicitly_declare): Use it.
5643 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5644 to complain about implicit decls of builtins.
5646 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5647 based on pedantic && flag_isoc99, if not already set.
5648 * c-tree.h: Declare mesg_implicit_function_declaration.
5649 Prototype implicit_decl_warning.
5651 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5653 * Makefile.in (ssa.o): Updated header files in dependences.
5654 * basic-block.h: Added compute_immediate_postdominators declaration.
5655 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5657 * flow.c (compute_immediate_dominators): Updated comment.
5658 (compute_immediate_postdominators): Added definition.
5659 * rtl.h (HARD_REGISTER_P): Added definition.
5660 * ssa.c: Include additional header files.
5661 (assert): Added definition.
5662 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5663 include select hard registers.
5664 (ssa_rename_to_insert): Likewise.
5665 (ssa_rename_from_initialize): Likewise.
5666 (ssa_rename_from_lookup): Likewise.
5667 (original_register): Likewise.
5668 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5669 include select hard reigsters.
5670 (ssa_rename_from_traverse): Likewise.
5671 (ssa_rename_from_free): Likewise.
5672 (ssa_rename_from_print): Likewise.
5673 (ssa_rename_from_print_1): Likewise.
5674 (ssa_rename_from_hash_function): Likewise.
5675 (ssa_rename_from_equal): Likewise.
5676 (ssa_rename_from_delete): Likewise.
5677 (simplify_to_immediate_dominators): Removed in favor of
5678 flow.c:compute_immediate_dominators.
5679 (find_evaluations_1): Modified to work with hard registers.
5680 (insert_phi_node): Likewise.
5681 (insert_phi_nodes): Likewise.
5682 (struct rename_set_data): Updated prev_reg comment.
5683 (create_delayed_rename): Modified to work with hard registers.
5684 (RENAME_NO_RTX): Updated comment.
5685 (apply_delayed_renames): Modified to work with hard registers.
5686 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5687 (rename_block): Updated to use revised ssa_rename_to interface.
5688 (rename_registers): Updated to use revised ssa_rename_to and
5689 ssa_rename_from interface.
5690 (convert_to_ssa): Revised to use compute_immediate_dominators and
5691 deal with hard registers.
5692 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5693 registers. Added check for illegal unification of hard register.
5694 (make_equivalent_phi_alternatives_equivalent): Modified to work
5695 with hard registers.
5696 (compute_conservative_reg_partition): Likewise.
5697 (coalesce_if_unconflicting): Modified to work with hard registers
5698 and check for conflicting hard registers.
5699 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5701 (rename_equivalent_regs_in_insn): Modified to work with hard
5703 (record_canonical_element_1): Added definition.
5704 (check_hard_regs_in_partition): Added definition.
5705 (convert_from_ssa): Added data structure deallocation and check
5706 for illegal hard register unification.
5707 (conflict_hard_regs_p): Added definition.
5708 * toplev.c (rest_of_compilation): Added comment.
5710 2000-07-31 Anthony Green <green@redhat.com>
5712 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5714 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5716 * builtins.c (expand_builtin_apply): Don't defer pop during
5719 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5721 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5722 preferred_unit_stack_boundary when it is > 1.
5724 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5726 * c-common.c (init_function_format_info): Add C99 format functions
5729 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5730 void' or 'register void' as being the special case of 'void' alone
5731 in a parameter list.
5733 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5734 discarding qualifiers into a plain warning.
5736 2000-07-31 Kazu Hirata <kazu@hxi.com>
5738 * combine.c: Fix formatting.
5740 * h8300.md: Fix formatting.
5742 * local-alloc.c: Fix formatting.
5744 * h8300.c (get_shift_alg): Remove the variable alg.
5745 (emit_a_shift): Rearrange code to improve readability.
5747 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5749 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5750 HImode on all architectures and a combination of HImode and SImode
5751 on H8/300H and H8/S.
5753 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5755 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5757 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5760 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5762 * recog.c (extract_insn): Set operand_mode according to
5763 operand if match_operand is VOIDmode.
5765 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5767 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5769 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5771 * c-parse.in (extdefs): Call ggc_collect between external
5774 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5775 Richard Henderson <rth@cygnus.com>
5777 * Makefile.in (OBJS): Add doloop.o.
5778 * doloop.c: New file.
5780 * final.c (insn_current_reference_address): Return 0 before final.
5781 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5782 * jump.c (any_uncondjump_p): Likewise.
5783 * loop.c (indirect_jump_in_function): Make static.
5784 (strength_reduce): Call doloop_optimize.
5785 (insert_bct, instrument_loop_bct): Remove.
5786 * loop.h (doloop_optimize): Prototype.
5787 * recog.c (split_all_insns): Split all INSN_P.
5788 * toplev.c (flag_branch_on_count_reg): Default on.
5790 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5791 flag_branch_on_count_reg.
5792 * config/i386/i386.c (override_options): Likewise.
5793 * config/rs6000/rs6000.c (optimization_options): Likewise.
5795 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5797 (dbra_ge): Remove, as well as all it's splitters.
5799 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5802 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5803 (ia64_register_move_cost): Declare.
5804 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5805 (struct ia64_frame_info): Add ar_size.
5806 (ia64_compute_frame_size): Set it.
5807 (save_restore_insns): Save and restore ar.lc.
5808 (ia64_register_move_cost): New, moved from header file. Handle
5809 application registers.
5810 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5811 (emit_insn_group_barriers): Special case doloop_end_internal.
5812 (ia64_epilogue_uses): Mark ar.lc live at end.
5813 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5814 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5815 (FIRST_PSEUDO_REGISTER): Make room.
5816 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5817 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5818 (REG_ALLOC_ORDER): Update.
5819 (HARD_REGNO_MODE_OK): Update.
5820 (REGISTER_NAMES): Update.
5821 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5822 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5823 (REGNO_REG_CLASS): Update.
5824 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5825 (REGISTER_MOVE_COST): Move out of line.
5826 (PREDICATE_CODES): Update.
5827 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5828 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5829 (shladd_elim splitter): Allow constants in the predicate.
5830 (doloop_end, doloop_end_internal): New.
5832 2000-07-30 Richard Henderson <rth@cygnus.com>
5834 * genattrtab.c (struct insn_def): Add lineno member.
5835 (struct insn_ent): Likewise.
5836 (struct attr_desc): Likewise.
5837 (struct delay_desc): Likewise.
5838 (struct function_unit_op): Likewise.
5839 (struct function_unit): Likewise.
5840 (check_attr_value): Use message_with_line.
5841 (check_defs): Likewise.
5842 (expand_units): Likewise.
5843 (check_attr_test): Take a lineno argument.
5844 (gen_attr): Likewise.
5845 (gen_insn): Likewise.
5846 (gen_delay): Likewise.
5847 (gen_unit): Likewise.
5848 (main): Give it to them.
5849 (convert_set_attr_alternative): Take an insn_def argument
5850 instead of num_alt and insn_index.
5851 (convert_set_attr): Likewise.
5852 (write_test_expr): Protect INSN_ADDRESSES load
5853 with INSN_ADDRESSES_SET_P.
5855 2000-07-30 Richard Henderson <rth@cygnus.com>
5857 * flow.c (init_propagate_block_info): Use pc_set.
5859 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5861 * i386.md (*lea_general_[123]) New insns and splits.
5862 (addsi3 to lea splitter): Handle other modes too.
5863 (shlsi3 to lea splitter): Likewise.
5864 (addhi_1_lea, shlhi_1_lea): New patterns.
5865 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5867 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5869 * recog.c (general_operand, nonimmediate_operand): Accept
5870 any mode for VOIDmode CONSTANT_P operands.
5872 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5874 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5875 instead of replace_rtx.
5876 * recog.c (validate_replace_rtx_subexp): New function.
5877 * recog.h (validate_replace_rtx_subexp): Declare.
5879 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5881 * combine.c (simplify_set, make_extraction, make_compound_operation
5882 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5883 as force_to_mode argument.
5885 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5887 * combine.c (if_then_else_cond): Be sure that mode fits in
5890 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5892 * combine.c (record_promoted_value): Allow bitsize of mode
5893 to be equivalent to HOST_BITS_PER_WISE_INT.
5895 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5897 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5898 Do not call gen_mode_alignment when mode is BLKmode.
5900 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5902 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5904 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5906 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5907 VOIDmode implies both operands to be VOIDmode.
5908 (simplify_ternary_operation): Compute properly the mode of comparison.
5909 * combine.c (combine_simplify_rtx): Likewise.
5911 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5913 * basic-block.h (struct loops): New field rc_order.
5914 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5915 (flow_loops_free): Free rc_order.
5916 (flow_depth_first_order_compute): New parameter rc_order.
5917 (flow_loops_find): Allocate rc_order and swap usage with
5920 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5921 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5923 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5924 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5925 (nodb_call, return_from_epilogue): Likewise.
5926 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5927 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5928 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5929 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5930 (c4x_valid_type_attribute_p): Likewise.
5931 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5932 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5934 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5936 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5937 and loadhi_big_constant if applicable.
5938 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5939 and add new splitter.s
5941 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5943 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5945 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5947 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5949 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5951 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5953 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5955 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5957 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5959 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5960 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5961 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5962 (get_prev_bb_note): Likewise.
5963 (remove_scope_notes): Likewise.
5964 * flow.c (commit_one_edge_insertion): Likewise.
5965 (merge_blocks_nomove): Likewise.
5966 (verify_flow_info): Likewise.
5967 * gcse.c (insert_insn_end_bb): Likewise.
5968 * reg-stack.c (emit_swap_insn): Likewise.
5969 * ssa.c (first_insn_after_basic_block_note): New function.
5970 (insert_phi_node): Use it.
5971 (rename_block): Likewise.
5972 (eliminate_phi): Likewise.
5973 (make_regs_equivalent_over_bad_edges): Likewise.
5974 (make_equivalent_phi_alternatives_equivalent): Likewise.
5975 (for_each_successor_phi): Likewise.
5976 (convert_from_ssa): Modify phi-node deletion algorithm.
5978 2000-07-29 Andreas Jaeger <aj@suse.de>
5980 * configure.in (mips*-*-linux*): Use mips*el to check for little
5981 endian MIPS, add tmake_file.
5983 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5984 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5985 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5987 2000-07-28 Richard Henderson <rth@cygnus.com>
5989 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5990 Sign extend mode size before negating.
5992 2000-07-28 Richard Henderson <rth@cygnus.com>
5994 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5996 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5998 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5999 (cse_insn): Likewise.
6000 (addr_affects_sp_p): Likewise.
6001 * expr.c (move_by_pieces): Likewise.
6002 (clear_by_pieces): Likewise.
6003 * gcse.c (oprs_unchanged_p): Likewise.
6004 * haifa-sched.c (sched_analyze_2): Likewise.
6005 * recog.c (offsettable_address_p): Likewise.
6006 * regclass.c (record_address_regs): Likewise.
6007 * reload.c (find_reusable_reload): Likewise.
6008 (push_reload): Likewise.
6009 (operands_match_p): Likewise.
6010 (decompose): Likewise.
6011 (find_reloads_address_1): Likewise.
6012 (find_inc_amount): Likewise.
6013 * reload1.c (elimination_effects): Likewise.
6014 * resource.c (mark_set_resources): Likewise.
6015 * flow.c (attempt_auto_inc): New function; mostly broken out
6017 (find_auto_inc): Split into two functions and enhanced to
6018 generate POST_MODIFY.
6019 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6020 * rtl.h (count_all_occurrences): Declare.
6021 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6023 * rtlanal.c (count_all_occurrences): New function.
6024 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6025 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6027 * config/ia64/ia64-protos.h (destination_operand): Declare.
6028 * config/ia64/ia64.c (destination_operand): New function.
6029 (ia64_print_operand): Handle POST_MODIFY.
6030 (rtx_needs_barrier): Likewise.
6031 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6032 (HAVE_POST_MODIFY_REG): Define to 1.
6033 (MAX_REGS_PER_ADDRESS): Change to 2.
6034 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6035 (LEGITIMATE_ADDRESS_REG): New helper macro.
6036 (LEGITIMATE_ADDRESS_DISP): Likewise.
6037 (PREDICATE_CODES): Add entry for destination_operand.
6038 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6039 predicate for operand 0.
6041 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6043 * dwarf2out.c: Indent #error directive.
6045 * gbl-ctors.h: Fix typo in comment.
6046 (__do_global_ctors): Prototype.
6048 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6050 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6051 (print_operand): Initialize variable `t'.
6053 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6055 * config/arm/arm.md ("call_value"): removed constraints.
6056 Constraints are ignored in expanders.
6057 (*call_value_reg): split =rf into various constraints.
6058 (*call_value_mem): same
6059 (*call_value_symbol): same
6060 (*sibcall_value_insn): same
6062 2000-07-28 Philipp Thomas <pthomas@suse.de>
6064 * install.texi (--enable-nls): Change the description of the NLS
6065 related configure options to match the current state.
6066 (--with-included-gettext): Likewise.
6067 (--enable-maintainer-mode): New description added.
6068 * extend.texi (-fstrict-prototype): Add missing '.'.
6070 2000-07-27 Jim Wilson <wilson@cygnus.com>
6072 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6073 DECL_INITIAL (decl) == NULL_TREE.
6075 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6077 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6078 on insn-attr.h with it.
6079 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6080 * insn-addr.h: New header.
6081 (insn_addresses_): Renamed from insn_addresses.
6082 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6083 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6084 INSN_ADDRESSES_NEW): New macros.
6085 * genattrtab.c (write_test_expr): Use new macros.
6086 * final.c (insn_addresses, init_insn_lengths): Likewise.
6087 (align_fuzz, shorten_branches): Likewise.
6088 (final): Likewise. Do not reject new insns if their addresses
6089 have been added to INSN_ADDRESSES.
6090 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6091 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6092 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6093 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6094 * config/sh/sh.c: Likewise.
6095 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6097 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6099 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6101 * gcc.c (struct prefix_list): Add member priority.
6102 (enum path_prefix_priority): Declare.
6103 (add_prefix): Replace ``first'' with ``priority''. Append new
6104 entry but keep list in priority order.
6105 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6106 PREFIX_PRIORITY_LAST to add_prefix.
6107 (process_command): Move include kludge - foo/stageN - to before
6110 2000-07-27 Jason Merrill <jason@redhat.com>
6112 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6113 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6115 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6117 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6118 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6120 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6122 * c-decl.c (finish_function): Don't treat 'main' specially unless
6123 flag_hosted. In C99 mode, return 0 from 'main' unless
6124 DEFAULT_MAIN_RETURN is otherwise defined.
6126 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6127 parameters defaulting to int in an old-style function definition.
6129 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6131 * c-parse.in (string): For -Wtraditional, warn about string
6132 concatenation only once per line.
6134 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6136 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6137 for HI-UX/WE2 systems.
6139 2000-07-24 Bruce Korb <bkorb@gnu.org>
6141 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6142 defining the __xxx_TYPE__ macros.
6143 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6144 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6145 * fixincl/inclhack.def(type_map): now obsolete
6147 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6149 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6151 2000-07-26 Dave Pitts <dpitts@cozx.com>
6153 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6155 (mvs_hash_alias): New function.
6156 (mvs_add_alias): Change argument spacing.
6157 (mvs_need_alias): Change aliasing criteria. Added documentation.
6158 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6159 CSECT name collisions.
6160 (mvs_check_alias): Likewise.
6161 (handle_pragma): Change documentation.
6162 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6163 mode from SImode to DImode.
6164 (iorhi3): Changed LTORG size for insn.
6166 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6168 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6169 mem if the address is a mode_dependent_address_p.
6171 2000-07-26 Kazu Hirata <kazu@hxi.com>
6173 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6174 suitable for 8-bit absolute.
6175 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6176 (OK_FOR_U): Add a case for the 8-bit constant address on the
6179 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6181 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6182 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6183 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6184 lack of implemented alignment.
6186 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6188 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6189 cross-compiling between 64-bit and 32-bit machines.
6191 2000-07-27 Richard Henderson <rth@cygnus.com>
6193 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6194 (movhicc_astep, movhi_internal_astep): New.
6195 (movsicc_astep, movsi_internal_astep): New.
6196 (movdicc_astep, movdi_internal_astep): New.
6197 (movsfcc_astep, movsf_internal_astep): New.
6198 (movdfcc_astep, movdf_internal_astep): New.
6199 (movxfcc_astep, movxf_internal_astep): New.
6200 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6201 Unify the cmov[ds]i splitters.
6203 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6205 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6207 2000-07-26 Nick Clifton <nickc@cygnus.com>
6209 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6210 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6212 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6213 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6215 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6217 * c-decl.c (finish_enum): Convert enumerations that fit in an
6219 (build_enumerator): In pedantic mode, cast to `int' those that
6222 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6224 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6226 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6228 * sh.md (cmpgtdi_t): Must be split.
6229 (cmpgtdi_t+1): New splitter.
6231 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6233 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6234 warnings for indented directives even if we are skipping.
6236 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6238 * invoke.texi (strict-prototypes): Remove.
6239 * extend.texi (Deprecated Features): Add strict-prototypes.
6240 (Backwards Compatibility): New node.
6242 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6244 * config/i386/i386.md (andsi_1+1): Allow HImode.
6245 (andsi_1+2): Require q_regs_operand.
6247 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6249 * config/i386/i386.md (call_pop): Check operands[0],
6250 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6252 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6253 (call_value): Likewise.
6255 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6257 * toplev.c (pipe_closed): Delete.
6258 (crash_signal): New. Generate ICE for a fatal signal.
6259 (float_signal): Call crash_signal outside a float-handler
6261 (main): Install crash_signal as handler for core-dumping signals.
6263 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6265 * rs6000.c (print_operand, case 'T'): New case.
6267 * rs6000.md (call_indirect_aix32): Convert to expander of
6268 scheduled instructions.
6269 (call_indirect_aix64): Likewise.
6270 (call_value_indirect_aix{32,64}): Likewise.
6271 (call, call_value): Invoke expanders for AIX. Fall through to
6273 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6274 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6275 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6276 only "g" constraint.
6277 (call_nonlocal_aix64): Likewise.
6278 (call_value_nonlocal_aix{32,64}): Likewise.
6279 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6281 (call_value_nonlocal_sysv): New pattern.
6282 (indirect_jump{si,di}): Use new 'T' modifier.
6283 (tablejump{si,di} matchers): Likewise.
6284 (return_internal_{si,di}): Likewise.
6285 (return_eh_{si,di}): Likewise.
6287 2000-07-24 Richard Henderson <rth@cygnus.com>
6289 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6290 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6291 * config/ia64/ia64.md (movdi_internal): Use it.
6293 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6295 * cppexp.c: Warn about unary + if -Wtraditional.
6296 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6298 2000-07-24 Michael Meissner <meissner@redhat.com>
6300 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6303 2000-07-24 Nick Clifton <nickc@cygnus.com>
6305 * config/arm/arm.c (emit_multi_reg_push): Generate a
6306 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6307 dwarf2out_debug_frame_expr.
6309 2000-07-24 Jason Merrill <jason@redhat.com>
6311 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6312 UNALIGNED_INT_ASM_OP.
6313 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6314 a location expression.
6315 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6316 assume indirect access if we're saving the CFA address exactly.
6318 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6320 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6322 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6325 2000-07-24 Michael Meissner <meissner@redhat.com>
6327 * invoke.texi (D30V Options): Add d30v options.
6329 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6331 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6332 needed by our gcse pass anymore.
6333 (free_pre_mem): Corresponding changes.
6334 (compute_pre_data): Do not call compute_transpout anymore.
6336 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6337 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6340 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6341 (compute_pre_data): Do it here instead.
6343 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6345 (pre_delete): Corresponding changes.
6347 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6349 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6350 to figure out whether or not a variable has already been emitted.
6352 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6354 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6355 instead of gen_call.
6357 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6359 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6361 2000-07-23 Kazu Hirata <kazu@hxi.com>
6363 * h8300.c: Fix formatting.
6365 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6367 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6368 for `long' switch expression into a plain warning.
6370 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6371 (yylex): Don't pedwarn for "inline" in C99 mode.
6373 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
6375 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
6376 ggc_alloc): Likewise.
6377 * bb-reorder.c (dump_scope_forest_1): Likewise.
6379 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
6381 * reload.c (find_reloads_toplev): Add new parameter
6383 (find_reloads): Add new parameter to find_reloads_toplev calls.
6385 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6387 * collect2.c (main): Typo fixed.
6388 * diagnostic.c: Typo fixed.
6389 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6390 * eh-common.h: Typo fixed.
6391 * emit-rtl.c (start_sequence): Typo fixed.
6392 * flow.c (find_label_refs): Typo fixed.
6393 (calculate_global_regs_live): Typo fixed.
6394 (mark_regno_cond_dead): Typo fixed.
6395 (create_edge_list): Typos fixed.
6396 (verify_edge_list): Typo fixed.
6397 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6398 * loop.c (strength_reduce): Typo in function name fixed.
6399 * rtl.h: Added comments. Typo in function name fixed.
6400 * rtlanal.c: Typo in function name fixed.
6401 (insn_dependant_p): Rename to ...
6402 (insn_dependent_p): ... this.
6403 (computed_jumo_p): Typo fixed.
6405 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6407 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6409 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6411 * rs6000.h (SIZE_TYPE): Define.
6413 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6415 * ssa.c (rename_insn_1): Don't rename registers that are
6418 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6420 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6422 (fatal_function, set_fatal_function): Removed.
6423 (fatal): Don't prepare for or call the fatal_function.
6424 (diagnostic_lock, error_recursion): New.
6425 (diagnostic_for_decl, report_diagnostic): Guard against
6426 re-entering the error reporting routines.
6427 (fancy_abort): Assume function is not NULL.
6429 * errors.c (fancy_abort): New. Assume function is not NULL.
6430 * tradcpp.c (fancy_abort): Assume function is not NULL.
6432 * system.h: Provide default definition of __FUNCTION__.
6433 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6434 Always use __FUNCTION__ in definition of abort.
6436 * varray.h: Likewise.
6437 * toplev.h: Likewise. Don't prototype set_fatal_function.
6439 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6441 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6443 * glimits.h: Don't do #if defined for ARCH_PPC.
6445 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6446 constants of size no larger than a pointer should go in the TOC.
6447 Add 'MODE' parameter.
6448 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6449 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6450 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6451 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6452 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6453 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6454 (rs6000_legitimize_address): Likewise.
6455 (rs6000_emit_move): Likewise.
6456 (rs6000_select_rtx_section): Likewise.
6457 (output_toc): Deal properly with outputting small constants like
6458 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6459 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6460 MODE parameter. Put small constants in the TOC.
6462 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6464 (rs6000_emit_move): When reload calls us with an illegitimate
6465 address, exit early. Move the change_address calls to one place
6466 at the end of the routine. Merge the SImode and DImode expanders.
6467 When called by reload to put an integer into a FP register, force
6470 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6472 (rs6000_hash_constant): Hash mode too.
6473 (toc_hash_function): Allow for key_mode.
6474 (toc_hash_eq): Structures are different if key_mode differs.
6475 (output_toc): Add 'mode' parameter. Save key_mode.
6476 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6477 Pass 'mode' parameter.
6478 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6480 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6481 for vtable references.
6483 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6484 choice, don't put integer values in FP regs.
6486 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6488 * flow.c (verify_flow_info): Revamp code to verify that the
6489 head and end of each basic block are in the insn chain.
6491 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6493 * gcse.c (record_one_set): Prepend instead of append onto
6494 reg_set_table, making it O(n) instead O(n^2).
6495 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6496 Use a queue instead of a stack as worklist.
6498 2000-07-20 Kazu Hirata <kazu@hxi.com>
6500 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6501 * h8300.h (OK_FOR_T): New.
6502 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6503 * h8300.md: Use inc/dec.[wl] for increment/decrement
6504 by 1 and 2 in HI and SI modes.
6506 2000-07-20 Jim Wilson <wilson@cygnus.com>
6508 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6509 larger than 14 bits.
6511 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6513 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6514 (count_params): Don't set GNU_REST_ARGS on anything.
6515 (save_expansion): Set PASTE_LEFT only on tokens for which
6516 CAN_PASTE_AFTER is true, or which are named operators.
6518 * cpplex.c (parse_args): Distinguish between a rest argument
6519 given one empty argument, and a rest argument given zero arguments.
6520 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6521 deletion of previous token based on that.
6522 (get_raw_token): Flatten some control structure.
6524 * cpplib.h (CPP_LAST_EQ): Correct.
6525 (VOID_REST): New token flag.
6526 (GNU_REST_ARGS): Delete.
6528 * tradcpp.c (main): Don't munge -D options.
6529 (make_definition): Bring -D handling in line with cpplib.
6530 (do_define): Strip all leading whitespace from macro definitions.
6532 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6534 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6536 2000-07-20 Bruce Korb <bkorb@gnu.org>
6538 * fixincl/check.tpl: strip the platform specific types before testing
6539 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6540 * fixincl/fixincl.tpl: use platform specific types
6541 * fixincl/fixlib.h: include the platform specific types
6542 * fixincl/inclhack.def(gnu_types): don't supply the types
6543 * fixincl/fixincl.x: regen
6545 2000-07-19 Jim Wilson <wilson@cygnus.com>
6547 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6550 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6552 * tradcpp.c (rescan): Do not recognize directives when the #
6555 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6557 Implement C++ named operators.
6559 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6560 of operators allowed in #if and having an _EQ variant. Add
6561 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6562 (cpp_token flags): Add NAMED_OP.
6563 (enum node_type): Add T_OPERATOR.
6564 (struct cpp_hashnode): Add code slot to value union.
6565 * cpphash.h (spec_nodes): Remove n_defined.
6567 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6568 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6569 (is_macro_disabled): Tweak error messages.
6571 * cpplib.c (get_define_node): Disallow all named operators as
6572 macro names. Tweak error messages.
6573 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6575 * cppinit.c (builtin_array): Add entries for the named operators.
6576 * cppexp.c (lex): Check for CPP_DEFINED token.
6577 (priority table): Add entries for CPP_MIN and CPP_MAX.
6578 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6580 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6582 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6583 larger than the array of cuids.
6584 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6587 2000-07-19 Bruce Korb <bkorb@gnu.org>
6589 * fixinc/fixincl.c: Convert to using a table of environment variables
6590 and activate the auto-edit marker on the fixed output files.
6591 * fixinc/fixlib.h: Define the environment table
6592 * fixinc/fixincl.sh: export the ${INPUT} dir
6593 * fixinc/check.tpl: likewise
6595 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6597 * gcc.c (.h spec): Fix typo.
6599 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6601 * Makefile.in: Fix tradcif.c path.
6603 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6605 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6608 * cpphash.h (TOKEN_NAME): New macro.
6609 (_cpp_spell_operator): Deleted.
6610 (token_spellings): Now _cpp_token_spellings.
6612 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6613 * cpplex.c: Use OP and TK macros when expanding the
6614 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6615 store the stringification of the enumeration name (CPP_CHAR,
6616 etc.) in the name slot of token_spellings.
6617 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6618 token_spellings directly.
6619 * cpplib.c: Use TOKEN_SPELL.
6621 * cpplex.c (_cpp_push_token): If the token being pushed back
6622 is the previous token in this context, just subtract one from
6624 * cppmacro.c (save_expansion): Clear aux field when storing a
6627 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6629 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6630 buffer, provided it is not NULL.
6632 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6634 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6635 case of invalid volatile re-declaration.
6637 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6639 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6640 (expand_call): Adjust caller.
6642 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6644 * diagnostic.h (report_diagnostic): Change prototype.
6646 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6647 diagnostic_for_decl): Change prototype.
6648 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6649 error, warning, error_with_file_and_line,
6650 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6651 Adjust call to report_diagnostic, diagnostic_for_decl.
6652 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6653 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6655 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6656 varaible argument list.
6658 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6660 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6661 moved to cppmacro.c.
6662 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6663 dump_hash_helper): Delete.
6664 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6665 cpp_forall_identifiers): New. Implement specialized version of
6666 Vlad's expandable hash table.
6667 (cpp_lookup): Use new functions.
6668 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6670 * cppmacro.c: New file.
6671 * cppinit.c (dump_macros_helper): New.
6672 (cpp_finish): Iterate over the identifier table directly.
6673 * cpplex.c (parse_name): Calculate the hash of the identifier
6674 while we scan it. Use _cpp_lookup_with_hash when we can.
6676 * cpphash.h: Update prototypes.
6677 (xcnewvec, HASHSTEP): New helper macros.
6678 * cpplib.h: Update prototypes.
6679 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6680 (cppmacro.o): New rule.
6681 (cpphash.o): Update deps.
6683 * cppmain.c: Do not set pfile->printer if no_output is on.
6685 2000-07-15 Neil Booth <neilb@earthling.net>
6687 * cpplib.c: Change all directive-handler functions to return
6689 * cpphash.h: Update typedefs.
6691 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6693 * configure: Regenerate.
6695 * extend.texi (Extended Asm): Mention that a memory clobber
6696 does not count as a side-effect.
6698 * unroll.c (copy_loop_body): Fix one instance of using host
6699 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6702 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6704 2000-07-17 Richard Henderson <rth@cygnus.com>
6706 * config/ia64/ia64.md (movdi): Split out load address code.
6707 New post-reload splitter for symbolic operands.
6708 (movdi_internal): Abort if we didn't split symbolic operands
6709 when we should have.
6710 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6711 (ia64_reorg): Split insns when not optimizing.
6712 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6714 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6716 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6717 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6719 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6721 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6723 2000-07-17 Jason Merrill <jason@redhat.com>
6725 * Makefile.in (clean): Remove libgcc directory.
6727 * configure.in (-Wno-long-long check): Use higher-level macros.
6729 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6731 * simplify-rtx.c (simplify_binary_operation): Recognize
6732 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6733 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6734 a CONST_INT, it will always be zero.
6736 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6738 * loop.c (check_dbra_loop) : Return if more than one condition is
6739 present to control the loop.
6741 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6743 * mips.c (mips_expand_prologue): Don't calculate the last argument
6744 register unless we need it. When we are calculating this, make
6745 sure FUNCTION_ARG is giving us a REG.
6747 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6749 * flow.c (libcall_dead_p): Use single_set to verify the insn
6750 has only one set and get for analysis.
6751 (propagate_one_insn): Don't pass the PATTERN of the insn.
6753 2000-07-17 Mark Klein <mklein@dis.com>
6755 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6757 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6759 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6760 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6761 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6762 of second argument of getgroups.
6763 * configure, config.in: Rebuilt.
6765 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6767 * simplify-rtx.c (simplify_relational_operation): Two signed
6768 values with equal high words are less/greater than each other if
6769 their low words are less/greater when considered as unsigned.
6771 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6773 * configure.in (vax-*-openbsd): Change to new style configuration,
6774 add collect2/float_format information.
6775 * configure: Rebuilt.
6776 * config/vax/openbsd1.h: New.
6777 * config/vax/openbsd.h: New.
6778 * config/vax/t-openbsd: New.
6780 2000-07-17 Chip Salzenberg <chip@valinux.com>
6782 * c-common.c (shorten_compare): Quiet warnings about unsigned
6783 comparisons with zero when they occur in a system header.
6785 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6787 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6788 update to describe current practice.
6790 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6792 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6793 references to C9X. Change references to -fstd and -flang-isoc9x
6796 * c-common.c (scan_char_table): Allow "z" length modifiers on
6798 (check_format_info): Use TYPE_DOMAIN on the type matched against
6799 for "z" formats, to retrieve the language size_t rather than the
6802 * c-common.c (check_format_info): Do not make a pedantic objection
6803 to the 'L' length modifier if used with a floating point type
6806 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6807 constants in C99 mode.
6809 2000-07-17 Kazu Hirata <kazu@hxi.com>
6811 * h8300.md: Fix the format of mac.
6812 (movsi_h8300hs): Output a tab after stmac instead of a space.
6814 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6815 profitable adds/subs sequences.
6817 * fold-const.c: Fix comment typos.
6819 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6821 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6823 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6825 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6827 2000-07-16 Neil Booth <NeilB@earthling.net>
6829 * cpplex.c: Update comments.
6830 * README.Portability: Small update.
6832 2000-07-16 Neil Booth <NeilB@earthling.net>
6834 * README.Portability: Small update.
6836 2000-07-15 Richard Henderson <rth@cygnus.com>
6838 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6839 * config/ia64/ia64.c (ia64_move_ok): New function.
6840 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6841 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6843 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6845 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6846 immediately following a paste operator.
6847 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6848 (cpp_reader_init): Call it, if HOST_EBCDIC.
6849 (cpp_handle_options): Do not sort option list here.
6850 (handle_option): Rename to cpp_handle_option and export.
6851 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6852 _cpp_get_token directly.
6853 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6854 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6855 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6858 2000-07-15 Richard Henderson <rth@cygnus.com>
6860 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6861 cast around an expression. Tidy other unsigned tests.
6863 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6865 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6866 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6867 (v_message_with_decl): Rename to ...
6868 (format_with_decl): ... this. Tweak
6869 (diagnostic_for_decl): New function.
6870 (fatal_io_error): Use verbatim in lieu of notice.
6871 (announce_function): Use verbatim.
6872 (default_print_error_function): Likewise.
6873 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6876 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6878 * mips.c (function_arg_pass_by_reference): Don't do automatic
6879 aggregate initialization.
6880 (machine_dependent_reorg): Initialize variable `mode'.
6882 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6883 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6884 conflicts with sys/param.h macro of the same name.
6885 (reload_outdi): Likewise.
6887 2000-07-15 Michael Meissner <meissner@redhat.com>
6889 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6890 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6891 create a new node instead.
6893 2000-07-15 Neil Booth <NeilB@earthling.net>
6895 * README.Portability: Correct example about calling a function
6896 through a pointer to function. Format wide paragraphs.
6898 2000-07-15 Michael Meissner <meissner@redhat.com>
6900 * README.Portability: Update integer suffixes and function
6903 2000-07-15 Neil Booth <NeilB@earthling.net>
6905 * README.Portability: Small update.
6907 2000-07-15 Neil Booth <NeilB@earthling.net>
6909 * README.Portability: New file.
6911 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6913 * INSTALL: Give special instructions for building GCC on Irix 6.
6914 * config/mips/x-iris6 (CC): Don't set it.
6917 2000-07-14 Jason Merrill <jason@redhat.com>
6919 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6920 register in the stack and later in another register, use the new
6923 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6925 * config/mips/mips.md: (absdi2): Handle sign_extend for
6928 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6930 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6932 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6934 * .cvsignore: Correct typo.
6936 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6938 * .cvsignore: Add generated YACC files.
6939 * objc/.cvsignore: New file.
6941 2000-07-14 Neil Booth <NeilB@earthling.net>
6943 * cpplex.c (adjust_column): New funcion.
6944 (skip_whitespace): Use it.
6945 (skip_block_comment): Use it, and warn about /*/* with
6948 2000-07-14 Neil Booth <NeilB@earthling.net>
6950 * cpphash.c (struct macro_info): Add new members.
6951 (_cpp_free_definition): Delete the macro directly.
6952 (count_params): Return void, with first token of
6953 expansion in struct macro_info on success.
6954 (parse_define): Return int. Hoist syntax checking from
6955 save_macro_expansion. Leave call to save_expansion to
6956 _cpp_create_definition.
6957 (alloc_macro): Needs just 2 arguments.
6958 (free_macro): Delete.
6959 (save_expansion): Don't perform syntax check.
6960 (_cpp_create_definition): Call save_expansion.
6962 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * genrecog.c (write_header): Split long string.
6966 * cpphash.c (macro_info): Don't use the `signed' keyword.
6968 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6970 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6972 * calls.c (stored_args_map): New variable.
6973 (check_sibcall_argument_overlap_1): New.
6974 (check_sibcall_argument_overlap): New.
6975 (expand_call): Initialize stored_args_map.
6976 Call check_sibcall_argument_overlap.
6978 2000-07-13 Bruce Korb <bkorb@gnu.org>
6980 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6981 (emit_gnu_type): utility procedure for gnu_type_fix
6982 (gnu_type_fix): implement various pre-processor guards around
6983 standard types so these types can be defined over and over
6984 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6985 types alluded to above will have GNU-compliant base types
6986 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6987 * fixinc/inclhack.def: add test_text entries and utilize the new
6988 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6989 * fixinc/fixincl.x: regenerate
6991 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6993 * diagnostic.c (vline_wrapper_message_with_location,
6994 v_message_with_file_and_line, v_error_with_file_and_file,
6995 v_error_for_asm, v_warning_for_asm, vfatal,
6996 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6997 vsorry, verror, vwarning, vpedwarn): Remove.
6998 (diagnostic_for_asm): New function.
6999 (pedwarn, error, warning, pedwarn_with_file_and_line,
7000 error_with_file_and_line, warning_with_file_and_line, sorry,
7001 error_for_asm, warning_for_asm, fatal): Reimplement.
7002 (finish_diagnostic): Clear diagnostic info as well.
7004 2000-07-13 Neil Booth <NeilB@earthling.net>
7006 * c-common.h (flag_digraphs): New.
7007 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7008 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7011 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7013 * gcc.c (do_spec_1): Add new %B operator.
7014 (set_input): Prepare for %B.
7016 (link_command_spec): Move up with the other tm.h-
7017 overrideable specs. Factor out the portion conditional on
7018 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7019 (struct compiler): Just have a single spec string. All users
7021 (default_compilers): Remove unnecessary braces.
7022 (static_specs): Update.
7024 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7026 (C and assembly specs): Use the new named specs, as appropriate.
7028 * objc/lang-specs.h: Use the new named specs.
7029 Remove unnecessary braces.
7031 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7033 * gcc.c (execute): If a subprocess gets a fatal signal, report
7034 strsignal() of the signal number, and ask for a bug report.
7035 Do not do this for SIGPIPE if there's already been an error.
7037 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7040 * tradcif.c: Remove.
7042 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7044 * final.c (profile_function): Do not emit profile counters in
7045 the data section, if NO_PROFILE_COUNTERS is defined.
7046 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7049 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7050 (FUNCTION_PROFILER): Just emit a call to mcount.
7052 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7054 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7056 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7057 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7058 traditional, lang_chill, or lang_fortran.
7060 * cppfiles.c: #undef strcmp to suppress warning about macros
7061 used without arguments.
7062 (_cpp_execute_include): Use f, not fname, in "No include path"
7064 (_cpp_pop_file_buffer): New function.
7065 * cpplib.c: Don't include <sys/mman.h>.
7066 (cpp_push_buffer): Set line_base and lineno in new buffer.
7067 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7069 * cpplex.c: Move all prototypes and structure declarations to the
7070 top of the file. Properly parenthesise some macro arguments.
7071 (cpp_scan_line): New function.
7072 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7073 don't need to walk up the stack counting.
7075 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * c-common.c (combine_strings): Emit a pedantic warning when a
7078 string length is greater than the minimum ANSI C is required
7081 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7083 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7084 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7086 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7088 * c-decl.c (define_label): Warn about identifier conflicts with
7089 labels in traditional C.
7091 * c-parse.in (unop +): Warn about the unary plus operator for
7094 * c-typeck.c (store_init_value): Warn about automatic aggregate
7095 initialization for traditional C.
7097 * invoke.texi (-Wtraditional): Document new warnings.
7099 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7101 * Makefile.in (c-errors.o): Fix thinko in dependency.
7103 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7105 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7106 -traditional, -ftraditional, or -traditional-cpp was given.
7107 Do not pass -traditional to the preprocessor.
7108 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7109 preprocessor does it automatically.
7110 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7112 * ch/lang-specs.h: Always use tradcpp. Do not pass
7113 -traditional, -trigraphs, or -pedantic to the preprocessor.
7114 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7117 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7119 * cppexp.c (LOGICAL): Delete macro.
7120 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7123 * cpphash.c (HASHSIZE): Increase to 4096.
7124 (struct hashdummy): Add hash field.
7125 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7126 the string values using memcmp.
7127 (cpp_lookup): Set dummy.hash.
7129 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7131 * configure.in (m88k-openbsd): Express configuration using new fragment
7133 * configure: Rebuilt.
7134 * m88k/aout-dbx.h: New.
7135 * m88k/openbsd.h: New.
7136 * m88k/xm-openbsd.h: New.
7138 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7142 2000-07-12 Richard Henderson <rth@cygnus.com>
7144 * reload.c (push_secondary_reload): Make sure to add the new
7145 reload at the end, after acquiring secondary memory.
7147 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7149 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7151 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7152 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7154 * c-parse.in (stmt): Delete unused variables.
7156 * convert.c (convert_to_vector): Likewise.
7158 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7160 * tree.c (finish_vector_type): Prototype.
7162 2000-07-12 Bruce Korb <bkorb@gnu.org>
7164 * fixinc/fixfixes.c: use xmalloc
7165 * fixinc/fixincl.c(initialize): set program name for xmalloc
7166 * fixinc/fixlib.c(must_malloc): obsolete
7167 (is_cxx_header): no longer used - disabled
7168 (skip_quote): inserted and disabled for future use
7169 * fixinc/fixlib.h: reflects above
7170 * fixinc/fixtests.c: removed dinkleberries
7172 2000-07-12 Neil Booth <NeilB@earthling.net>
7174 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7175 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7177 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7178 struct toklist_dummy): New.
7179 (cpp_free_definition): Free macros with free_macro.
7180 (count_params): Don't save paramter spellings. Save macro
7181 information in a struct macro_info.
7182 (parse_define): Don't allocate a token list.
7183 (save_expansion): Allocate the macro's token list, and
7184 save parameter spellings if necessary. Use TOKEN_SPELL.
7185 (cpp_create_definition): Make list const.
7187 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7189 * c-typeck.c (pedwarn_c99): Move to
7190 * c-errors.c: ... Here.
7191 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7192 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7193 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7194 (c-errors.o): List dependency.
7196 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7198 * c-parse.c: Remove.
7199 * c-parse.h: Likewise.
7200 * c-parse.y: Likewise.
7201 * objc/objc-parse.c: Likewise.
7202 * objc/objc-pasre.y: Likewise.
7204 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7206 * gcc.texi: Fix minor typos
7207 * extend.texi: Fix minor typos
7209 2000-07-11 Marc Espie <espie@openbsd.org>
7211 * collect2.c (main): Recognize .lo as object files.
7213 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7215 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7218 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7219 with MAP_ANONYMOUS and MAP_ANON.
7220 * configure, config.in: Rebuilt.
7222 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7224 * diagnostic.c (save_output_state): Remove.
7225 (restore_output_state): Likewise.
7226 (clear_text_info): New function.
7227 (clear_diagnostic_info): Likewise.
7228 (output_text_length, is_starting_newline, output_prefix,
7229 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7230 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7231 (set_real_maximum_length, output_set_maximum_length,
7232 output_set_prefix, output_get_prefix, output_set_maximum_length,
7233 output_destroy_prefix, init_output_buffer,
7234 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7235 output_add_newline, output_add_character, output_add_space,
7236 output_append_r, output_append, wrap_text, output_format,
7237 output_do_printf, output_printf, output_do_verbatim,
7238 output_verbatim, verbatim): Use them.
7239 (output_clear): Split into cleat_text_info and
7240 clear_diagnostic_info.
7241 (struct output_state): Move to...
7243 * diagnostic.h: ...Here
7244 (struct output_buffer): Adjust.
7246 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7248 * cpplex.c (parse_name): No longer inline (premature optimization).
7249 (do_pop_context): Fold into pop_context.
7250 (pop_context): Returns int.
7251 (lex_next): Hoist test for end of directive into pop_context.
7252 (push_macro_context): Returns int; takes just reader and token.
7253 Hoist test for excessive nesting to caller.
7254 (push_arg_context): Returns void; takes just reader and token.
7255 Do not call stringify_arg or get_raw_token.
7256 (get_raw_token): Convert tail recursion through push_arg_context
7257 to a loop at this level. Call stringify_arg here if appropriate.
7258 (maybe_paste_with_next): Convert tail recursion to a while loop.
7259 Hoist test of paste_level to caller.
7261 (stringify_arg): Push arg context at beginning.
7262 (cpp_get_token): Split out core into _cpp_get_token. Call
7263 process_directive here. Throw away CPP_PLACEMARKER tokens.
7264 (_cpp_get_token): Convert tail recursion through
7265 push_macro_context to a loop at this level.
7266 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7267 _cpp_get_raw_token): Use _cpp_get_token.
7268 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7269 not call pop_context.
7270 (_cpp_run_directive): Call lex_next directly.
7272 * cpphash.h: Prototype _cpp_get_token.
7273 * cppexp.c (lex): Use it.
7274 * cpphash.c (parse_define): Use it.
7275 * cpplib.c (get_define_node, do_undef, parse_include,
7276 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7277 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7278 parse_ifdef, validate_else): Use it.
7279 (cpp_push_buffer): Tweak error message; abort if anyone tries
7280 to push a buffer while macro expansions are stacked.
7282 2000-07-11 Donn Terry <donnte@microsoft.com>
7284 * cpplex.c (free_macro_args, save_token): Cast arg of free
7285 and/or xrealloc to PTR.
7286 (_cpp_init_input_buffer): Clear all fields of the base context.
7288 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7290 * gensupport.c (process_rtx): Make rtl checking stop
7291 complaining about the define_insn while it is being
7292 converted from a define_insn_and_split.
7294 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7296 * config/mips/mips.c (simple_memory_operand): Access the
7297 INTVAL of the address, not it's containing MEM.
7299 2000-07-11 Bruce Korb <bkorb@gnu.org>
7301 * fixinc/fixtests.c(double_slash): obsolete
7302 (else_endif_label): likewise
7303 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7304 (libc1_ifdefd_memx): correct initial comment
7305 and omit the #if/#endif pair from the memxxx declarations
7306 * fixinc/fixincl.x: regen
7308 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7310 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7312 2000-07-11 Neil Booth <NeilB@earthling.net>
7316 2000-07-11 Neil Booth <NeilB@earthling.net>
7318 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7319 (handle_option): Set digraphs according to standard.
7320 Merge OPT_lang_c89 handler with OPT_std_c89.
7322 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7323 accordance with the digraphs flag.
7325 * cpplib.h: (struct cpp_options): New option digraphs.
7327 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7328 Bruce Korb <bkorb@gnu.org>
7330 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7331 * fixinc/fixincl.x: Regenerate.
7332 * fixinc/tests/base/testing.h: Add testcase.
7334 2000-07-10 Richard Henderson <rth@cygnus.com>
7336 * config/ia64/ia64.c (got_symbolic_operand): New.
7337 (symbolic_operand, move_operand): Revert 0701 change.
7338 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7339 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7340 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7341 split the offset into a 14-bit low part instead of a 13-bit low part.
7342 (load_fptr): Mark the mem as unchanging.
7343 (load_symptr): Use got_symbolic_operand.
7345 2000-07-10 Nick Clifton <nickc@cygnus.com>
7347 * libgcc2.c (next_stack_level): Cast result of computation to
7348 (void **) so that the assignment does not generate a warning.
7350 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7352 * flags.h : Add new variable flag_single_precision_constant.
7353 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7354 (flag_single_precision_constant): New.
7355 * c-lex.c (yylex): Convert floating point constant to single
7357 * invoke.texi : Add documentation for this new option.
7359 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7361 * diagnostic.c (output_octal): Second parameter is unsigned.
7362 (output_long_octal): Likewise.
7363 (output_hexadecimal): Likewise.
7364 (output_long_hexadecimal): Likewise.
7365 (output_format): Adjust arguments extraction. Tweak.
7366 (output_verbatim, verbatim): End variable argument list.
7367 (report_diagnostic): Improve documentation.
7369 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7371 * c-common.h (build_stmt): Declare.
7372 (build_continue_stmt): Likewise.
7373 (build_break_stmt): Likewise.
7374 (build_return_stmt): Likewise.
7376 * c-decl.c (do_case): Rewrite to do what previously done in
7379 * c-semantics.c (build_stmt): Define.
7380 (build_return_stmt): Likewise.
7381 (build_break_stmt): Likewise.
7382 (build_continue_stmt): Likewise.
7383 (build_case_label): Likewise.
7385 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7386 (CONTINUE): Likewise.
7389 (DEFAULT): Likewise.
7391 * c-parse.y: Regenerate.
7392 * c-pasre.c: Likewise.
7394 2000-07-09 Jason Merrill <jason@redhat.com>
7396 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7398 * tree.h (STRIP_NOPS): Check for error_mark_node.
7399 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7400 (dwarf2out_*): Remove duplicate declarations.
7402 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7403 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7405 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7407 * diagnostic.c (wrap_text): New function.
7408 (maybe_wrap_text): Likewise.
7409 (output_add_string): Use it.
7410 (output_format): Likewise.
7411 (count_error): Use verbatim instead of notice.
7412 (report_error_function): Likewise. Don't use plain fprintf.
7413 (finish_diagnostic): New function.
7414 (output_do_verbatim): Tweak. Commonalize functionalities in
7415 output_verbatim and verbatim.
7416 (output_verbatim): Adjust.
7417 (verbatim): Likewise.
7418 (report_diagnostic): Define.
7420 * diagnostic.h (report_diagnostic): Prototype.
7422 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7424 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7426 2000-07-09 Neil Booth <NeilB@earthling.net>
7428 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7429 IShspace, ISspace: Update.
7431 * cppinit.c: ISTABLE: Update.
7434 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7435 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7436 (skip_block_comment, skip_line_comment, parse_string,
7437 lex_line): Use is_vspace rather than IS_NEWLINE.
7438 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7439 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7441 (lex_next): Unconditionally stop if within a directive.
7442 Treat directives within macro invocations as directives
7443 (after parse_args emits error), not as the argument.
7445 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7447 * diagnostic.c (diagnostic_args): New macro.
7448 (diagnostic_msg): Likewise.
7449 (output_formatted_integer): Likewise.
7450 (output_state): New data type.
7451 (digit_buffer): Make global.
7452 (output_add_integer): Rename to output_decimal. Squeeze
7454 (output_long_decimal, output_unsigned_decimal,
7455 output_long_unsigned_decimal, output_octal, output_long_octal,
7456 output_hexadecimal, output_long_hexadecimal): New functions.
7457 (output_append_r): New function.
7458 (output_append): Tweak.
7459 (output_flush_on): Rename to output_to_stream.
7460 (output_format): Change prototype. Improve documentation. Handle
7461 more format specifiers.
7462 (build_location_prefix): Rename to context_as_prefix.
7463 (output_notice): Rename to output_do_printf.
7464 (output_printf): Tweak.
7465 (line_wrapper_printf): Likewise.
7466 (vline_wrapper_message_with_location): Adjust call to renamed
7468 (v_message_with_decl): Likewise.
7469 (default_print_error_function): Likewise.
7470 (save_output_state): New function.
7471 (restore_output_state): Likewise.
7472 (output_do_verbatim): Likewise.
7473 (output_verbatim): Define.
7474 (verbatim): Likewise.
7476 * diagnostic.h (printer_fn): Change return type from void to int.
7477 Improve documentation.
7478 (output_add_integer): Rename to output_decimal.
7479 (output_flush_on, output_format): Don't export.
7480 (output_verbatim, verbatim): Declare.
7482 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7484 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7485 Check whether c divides op1 exactly if operation is not
7488 2000-07-08 Richard Henderson <rth@cygnus.com>
7490 * final.c (final): Do not abort when reg-stack introduces
7493 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7495 * cpplib.h (struct cpp_name): Now struct cpp_string.
7496 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7497 CPP_HEADER_NAME): Change to type S.
7498 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7499 field, a cpp_hashnode *. All references to val.name updated
7500 to use val.str or val.node as appropriate.
7501 (struct cpp_reader): Add spec_nodes field.
7502 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7504 * cpphash.h (struct spec_nodes): New.
7505 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7506 val.str. All references to 'spelling > SPELL_NONE' updated to
7509 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7510 pfile->buffer->inc are not NULL before dereferencing them.
7512 * cpplex.c (parse_name): Take a pointer to the current token,
7513 plus current position and limit as args; return the new
7514 position; don't copy the text of a name into the string
7515 buffer, instead call cpp_lookup and store the node pointer.
7516 If extending a token, copy out the text of the old into a
7517 scratch buffer, append the new, look that up and store the new
7518 node pointer. Inline.
7519 (maybe_paste_with_next): If the result of paste is a NAME,
7520 then look up the pasted text and store its node pointer.
7521 (lex_line): Adjust for new parse_name interface.
7522 Check for L"str", L'str' using spec_nodes->n_L.
7523 (spell_token): SPELL_IDENT tokens have their spelling in
7524 val.node->name. Handle SPELL_STRING tokens that don't have
7526 (_cpp_expand_name_space,
7527 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7528 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7529 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7530 return 1=equal 0=not, not a tristate.
7532 * cpphash.c (var_args_str): Delete.
7533 (find_param): Compare node fields directly.
7534 (is__va_args__): Use CPP_PEDANTIC. Just compare
7535 token->val.node with spec_nodes->n__VA_ARGS__.
7536 (dump_funlike_macro): Don't use var_args_str.
7538 * cpplib.c (_cpp_check_directive): Just walk through
7539 spec_nodes->dirs comparing pointers.
7540 (get_define_node, do_pragma_poison, detect_if_not_defined,
7541 parse_ifdef): The identifier has already been looked up.
7542 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7544 (do_if): Only call detect_if_not_defined at beginning of file.
7545 (_cpp_parse_assertion): Only copy string pointers for
7546 SPELL_STRING tokens.
7547 (pragma_dispatch): Take a node pointer and examine its name
7549 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7551 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7553 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7554 reverse order from the corresponding _cpp_init_* routines.
7556 * cppexp.c (parse_number, parse_charconst, parse_defined,
7557 lex): Check val.node->type instead of calling cpp_defined.
7558 Use spec_nodes entries where appropriate.
7560 * fix-header.c, scan-decls.c: Update for interface changes.
7562 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7564 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7565 emitting aux_truncdfsf2.
7567 2000-07-03 Donn Terry (donnte@microsoft.com)
7569 * cppinit.c (print_help): split overlong line into ISO C89
7572 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7574 * cppexp.c: Update all code for new lexer interface.
7575 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7576 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7577 * cpplex.c (token_names): Trim leading CPP_ from names; make
7578 the strings unsigned.
7579 (_cpp_spell_operator): New.
7580 (is_macro_disabled): Disable all macros if rescanning
7582 (_cpp_get_directive_token): Remove.
7584 * cppinit.c: Don't set no_macro_expand.
7585 * cpplib.c (read_line_number, do_line): Check only for EOF,
7587 * cpphash.h: Update prototypes.
7588 * cpplib.h (CPP_VSPACE): Remove.
7589 (struct cpp_reader): Remove no_macro_expand.
7591 2000-07-08 Neil Booth <NeilB@earthling.net>
7593 * cpphash.c (is__va_args__): New function.
7594 (count_params): Fix line reported in error messages. Use
7595 is__va_args__. Don't return ')' on error. Flag GNU style
7596 rest args macro definitions.
7597 (parse_define): Check macro name is not __VA_ARGS__.
7598 (save_expansion): Check identifier in non-varargs-macro is
7599 not __VA_ARGS__. Don't flag GNU_VARARGS.
7600 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7601 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7602 than per-token GNU_VARARGS.
7603 * cpplib.h (GNU_VARARGS): Remove.
7604 (GNU_REST_ARGS): New.
7606 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7608 * i386.md (call_pop, call, call_value_pop): Do not set
7609 current_function_uses_pic_offset_table for calls to static
7610 functions or indirect calls.
7612 2000-07-07 Jim Wilson <wilson@cygnus.com>
7614 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7615 is_predicate_reg, then take max write_count of register pair.
7617 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7619 * tradcpp.c (main): Rename label `include' to `add_include' to
7620 avoid conflicts with variable `include' in traditional C.
7622 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7624 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7626 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7628 * sibcall.c (uses_addressof): Add INMEM argument, check for
7629 current_function_internal_arg_pointer outside of MEM rtxs in addition
7631 (sequence_uses_addressof): Update caller.
7633 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7635 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7638 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7640 * system.h (UNION_INIT_ZERO): New macro for initializing union
7643 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7645 2000-07-07 Neil Booth <NeilB@earthling.net>
7649 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7651 * final.c (final): Detect out of bounds array access to
7652 the insn_lengths array.
7654 2000-07-07 Kazu Hirata <kazu@hxi.com>
7656 * fold-const.c (fold): Fix a comment typo.
7658 2000-07-07 Neil Booth <NeilB@earthling.net>
7660 * cpp.texi: Update to new lexer.
7662 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7664 * tradcpp.c: New file.
7665 * tradcif.y: New file.
7666 * tradcif.c: New generated file.
7668 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7669 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7670 dependencies of C. Install tradcpp from install-common, in
7673 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7675 * cppinit.c: Include cppdefault.h. Refer to
7676 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7677 to GCC_INCLUDE_DIR and its length.
7678 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7679 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7680 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7682 (include_defaults_array): Move to cppdefault.c.
7684 * cppdefault.h: New file.
7685 * cppdefault.c: New file.
7687 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7688 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7689 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7692 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7694 * reload.c (push_reload): When seeing if can reuse a register,
7695 check extra registers against widest of INMODE and OUTMODE.
7697 2000-07-06 Neil Booth <NeilB@earthling.net>
7699 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7700 based on full length of predicate.
7702 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7704 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7705 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7707 2000-07-05 Kazu Hirata <kazu@hxi.com>
7709 * h8300-proto.h: Fix formatting.
7710 * h8300.c: Likewise.
7711 * h8300.h: Likewise.
7713 2000-07-05 Jim Wilson <wilson@cygnus.com>
7715 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7718 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7720 * invoke.texi: Fix minor typos
7721 * md.texi: Fix minor typos
7723 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7725 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7727 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7729 * cpplex.c: Don't include sys/mman.h.
7730 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7732 * cpplib.c: Include sys/mman.h and obstack.h.
7733 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7735 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7736 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7737 bother freeing if stack entries (they will be freed with their buffer).
7738 (do_endif): Free if stack entries from the buffer obstack.
7739 (push_conditional): Allocate if stack entries from the buffer obstack.
7741 (find_answer): Rename to _cpp_find_answer.
7742 (do_assert, do_unassert): Update.
7744 * cpphash.h: Update prototypes.
7745 (xobnew): New convenience macro.
7746 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7748 (struct cpp_hashnode): Remove disabled field.
7750 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7751 (report_missing_guard): Moved to cppfiles.c.
7752 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7754 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7755 cpp_cleanup_includes. Don't destroy hashtab or
7756 all_include_files here.
7757 (cpp_finish): Use _cpp_report_missing_guards.
7759 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7760 (_cpp_init_include_table): Rename _cpp_init_includes.
7761 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7763 * cppexp.c (parse_assertion): Update for new name of
7766 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7768 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7770 * cpplib.c (do_ident): s/VSPACE/EOF/
7772 2000-07-05 Neil Booth <NeilB@earthling.net>
7774 * cpplex.c: Fix trigraph replacement within strings.
7776 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7778 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7780 * xcoffout.c (assign_type_number): Constify.
7781 (xcoffout_source_file): Add static prototype. Don't needlessly
7782 cast away const-ness.
7784 2000-07-04 Jason Merrill <jason@redhat.com>
7786 * frame.h (frame_state): Move base_offset to end.
7788 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7790 * calls.c (emit_library_call_value_1): Revert previous change.
7792 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7794 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7795 (recognized_extern, recognized_function, read_scan_file):
7796 Update for new scheme.
7797 (check_protection): It's still a multiple include guard even
7798 if it doesn't always trigger.
7799 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7801 * scan.h: Declare struct cpp_token. Update prototypes.
7803 2000-07-03 Neil Booth <neilb@earthling.net>
7804 Zack Weinberg <zack@wolery.cumb.org>
7806 Complete overhaul of the lexer and macro expander.
7808 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7809 arg, arglist, argdata, reflist, collect_objlike_expansion,
7810 collect_funlike_expansion, collect_params,
7811 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7812 unsafe_chars, macarg, compare_defs, special_symbol,
7813 scan_arguments, stringify, funlike_macroexpand,
7814 _cpp_quote_string, monthnames): Delete.
7815 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7816 _cpp_create_definition, _cpp_dump_definition,
7817 dump_hash_helper): Adjust.
7818 (find_param, count_params, parse_define, var_args_str,
7819 check_macro_redefinition, save_expansion): New.
7821 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7822 parse_string, output_line_command, trigraph_replace,
7823 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7824 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7825 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7826 _cpp_skip_rest_of_line): Modify.
7828 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7829 find_position, null_warning, bump_column, expand_name_space,
7830 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7831 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7832 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7833 _cpp_prescan): Delete.
7835 (dump_param_spelling, process_directive, lex_next,
7836 is_macro_disabled, stringify_arg, expand_context_stack,
7837 output_token, make_string_token, alloc_number_token,
7838 special_symbol, duplicate_token, maybe_paste_with_next,
7839 can_paste, prevent_macro_expansion, restore_macro_expansion,
7840 get_temp_token, release_temp_tokens, quote_string,
7841 token_names, token_spellings, _cpp_expand_name_space,
7842 _cpp_glue_header_name, _cpp_reserve_name_space,
7843 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7844 placemarker_token, eof_token, cpp_context, macro_args,
7845 get_raw_token, parse_arg, parse_args, save_token,
7846 push_arg_context, push_macro_context, pop_context,
7847 do_pop_context, free_macro_args, _cpp_get_line,
7848 _cpp_run_directive): New.
7850 * cpplib.c (validate_else, parse_include, push_conditional,
7851 pass_thru_directive, read_line_number, parse_ifdef,
7852 detect_if_not_defined, _cpp_check_directive, do_define,
7853 do_undef, do_include, do_import, do_include_next, do_error,
7854 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7855 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7856 do_pragma_poison, do_pragma_system_header,
7857 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7858 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7859 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7860 cpp_defined): Update for new scheme.
7861 (strtoul_for_line, get_define_node, dump_macro_name,
7862 _cpp_check_linemarker, _cpp_parse_assertion): New.
7863 (_cpp_handle_directive, do_pragma_default): Delete.
7865 * cpphash.h (struct predicate): Now struct answer.
7866 (enum spell_type, struct token_spelling, struct directive,
7867 directive_handler): New.
7868 Update prototypes. Remove unused macros.
7869 * cpplib.h: Update prototypes. Remove unused macros,
7870 structure definitions, and fields.
7872 * cpperror.c (print_containing_files, v_message): Adjust.
7873 * cppexp.c (parse_assertion, lex, parse_escape,
7874 _cpp_parse_expr): Adjust.
7875 * cppfiles.c (open_include_file, _cpp_execute_include,
7876 _cpp_compare_file_date, cpp_read_file, read_include_file):
7878 * cppinit.c (dump_special_to_buffer): Delete.
7879 (append_include_chain, merge_include_chains, cpp_reader_init,
7880 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7881 cpp_finish, handle_option, print_help): Adjust.
7882 * cppmain.c (main): Adjust.
7884 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7886 * cppspec.c (lang_specific_driver): Use double quotes in error
7889 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7891 * calls.c (emit_library_call_value_1): Use valreg instead
7892 of hard_libcall_value.
7894 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7896 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7897 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7898 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7906 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7907 mode instead of wider_mode is being used.
7909 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7911 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7912 of 'r'. Use q_regs_operand.
7913 (andsi_1+2): Use q_regs_operand.
7915 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7917 * builtins.c (get_memory_rtx): Always put into alias set 0.
7919 2000-07-03 Nick Clifton <nickc@cygnus.com>
7921 * config/arm/arm.md: Fix post increment and pre increment
7922 peepholes so that they do not generate UNPREDICATBLE opcodes.
7923 (ie ones where the increment clobbers the source/destination).
7925 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7927 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7928 change too big for -mtiny-stack" a warning, if larger than 63.
7929 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7930 always safe to use on possible future devices.
7931 (function_prologue): Write SPH before SPL, for consistency.
7932 If interrupt_func_p true, we know we have enabled interrupts.
7933 (avr_num_arg_regs): New function. Round up to even number of
7934 bytes if no -mpack-args or if calling a libgcc function.
7935 (function_arg, function_arg_advance): Use it.
7936 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7937 Output "movw" if available.
7938 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7939 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7940 (asm_output_section_name): Add blanks for consistent output.
7941 (encode_section_info): Set TREE_READONLY for progmem data to
7942 avoid gas warnings about changed section attributes.
7943 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7944 even numbered registers on devices with "movw".
7945 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7946 (TARGET_SWITCHES): Mark help strings for translation.
7947 Add new -mpack-args and -menhanced switches.
7948 (TARGET_OPTIONS): Mark help strings for translation.
7949 (progmem_section): Add section attributes.
7950 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7951 Output "movw" if available.
7952 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7954 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7955 call convention (arguments aligned on even registers).
7956 (_cleanup, _exit): Make weak symbols libc can override.
7958 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7960 * fp-bit.h: New file.
7962 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7963 Comment #endif statements.
7964 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7966 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7968 * gcse.c (compute_pre_data): Compute ae_kill using other local
7969 properties instead of calling compute_ae_kill.
7971 * alias.c (init_alias_analysis): Do not call
7972 prologue_epilogue_contains until after reload has completed.
7974 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7976 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7977 (genrtl_finish_compound_stmt): Likewise.
7978 (genrtl_compound_stmt): Change to return void.
7980 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7981 move code from here to ...
7982 (genrtl_compound_stmt): ... here.
7983 (genrtl_finish_compound_stmt): Remove.
7984 (expand_stmt): Add comment.
7986 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7988 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7991 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7993 * cpplib.h (struct cpp_reader): New field include_depth.
7994 (struct cpp_printer): Rename last_bsd to last_id.
7995 * cppfiles.c (read_include_file): Bump include_depth.
7996 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7997 (output_line_command): Output correct #line if a header
7998 is including itself and is not protected against multiple inclusion.
7999 Use include_depth instead of buffer_stack_depth, last_id instead of
8001 * cppinit.c (cpp_start_read): Initialize last_id instead of
8004 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8006 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8007 (c-semantics.o): New target.
8009 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8010 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8011 (genrtl_clear_out_block): Likewise.
8012 (genrtl_goto_stmt): Likewise.
8013 (genrtl_expr_stmt): Likewise.
8014 (genrtl_decl_stmt): Likewise.
8015 (genrtl_if_stmt): Likewise.
8016 (genrtl_while_stmt): Likewise.
8017 (genrtl_do_stmt): Likewise.
8018 (genrtl_return_stmt): Likewise.
8019 (genrtl_for_stmt): Likewise.
8020 (genrtl_break_stmt): Likewise.
8021 (genrtl_continue_stmt): Likewise.
8022 (genrtl_scope_stmt): Likewise.
8023 (genrtl_switch_stmt): Likewise.
8024 (genrtl_case_label): Likewise.
8025 (genrtl_begin_compound_stmt): Likewise.
8026 (gerntl_finish_compound_stmt): Likewise.
8027 (genrtl_compound_stmt): Likewise.
8028 (genrtl_asm_stmt): Likewise.
8029 (genrtl_decl_cleanup): Likewise.
8030 (DECL_ANON_UNION_ELEMS): Likewise.
8031 (emit_local_var): Likewise.
8032 (make_rtl_for_local_static): Likewise.
8033 (expand_cond): Likewise.
8034 (expand_stmt): Likewise.
8035 (c_expand_return): Likewise.
8036 (c_expand_start_case): Likewise.
8037 (do_case): Likewise.
8038 (COMPOUND_STMT_NO_SCOPE): Likewise.
8039 (c_expand_asm_operands): Likewise.
8040 (NEW_FOR_SCOPE_P): New macro.
8041 (expand_expr_stmt_fn): New type.
8043 (set_current_function_name_declared): Likewise.
8044 (current_function_name_declared): Likewise.
8045 (lang_expand_stmt): Likewise.
8046 (stmts_are_full_exprs_p): Likewise.
8047 (anon_aggr_type_p): Likewise.
8048 (lang_expand_expr_stmt): Likewise.
8049 (build_case_label): Likewise.
8051 * c-decl.c (lang_expand_expr_stmt): Initialize.
8052 (stmts_are_full_exprs_p): Define.
8053 (current_function_name_declared): Likewise.
8054 (do_case): Likewise.
8055 (lang_expand_stmt): Likewise.
8056 (set_current_function_name_declared): Likewise.
8057 (anon_aggr_type_p): Likewise.
8059 * c-semantics.c: New file.
8060 (expand_cond): Moved from cp/semantics.c.
8061 (genrtl_do_pushlevel): Likewise.
8062 (genrtl_clear_out_block): Likewise.
8063 (genrtl_goto_stmt): Likewise.
8064 (genrtl_expr_stmt): Likewise.
8065 (genrtl_decl_stmt): Likewise.
8066 (genrtl_if_stmt): Likewise.
8067 (genrtl_while_stmt): Likewise.
8068 (genrtl_do_stmt): Likewise.
8069 (genrtl_return_stmt): Likewise.
8070 (genrtl_for_stmt): Likewise.
8071 (genrtl_break_stmt): Likewise.
8072 (genrtl_continue_stmt): Likewise.
8073 (genrtl_scope_stmt): Likewise.
8074 (genrtl_switch_stmt): Likewise.
8075 (genrtl_case_label): Likewise.
8076 (genrtl_begin_compound_stmt): Likewise.
8077 (genrtl_finish_compound_stmt): Likewise.
8078 (genrtl_compound_stmt): Likewise.
8079 (genrtl_asm_stmt): Likewise.
8080 (genrtl_decl_cleanup): Likewise.
8081 (make_rtl_for_local_static): Moved from cp/decl.c.
8082 (emit_local_var): Likewise.
8083 (expand_stmt): Define.
8085 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8086 (c_expand_return): Likewise.
8087 (c_expand_start_case): Likewise.
8089 2000-07-01 Richard Henderson <rth@cygnus.com>
8091 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8092 with the low 13 bits set.
8093 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8094 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8095 of the low 13 bits into a CONST plus an adddi3.
8096 (load_symptr): Set RTX_UNCHANGING_P.
8098 See ChangeLog.3 for earlier changes.