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c-lex.h (save_and_forget_protocol_qualifiers, [...]): Remove deleted functions' proto...
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bf646593
NB		 12001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2
3 * c-lex.h (save_and_forget_protocol_qualifiers,
4 forget_protocol_qualifiers, remember_protocol_qualifiers):
5 Remove deleted functions' prototypes.
6
0b1cdaf2
NB		 72001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
8
9 * c-parse.in (methodtype): New production.
10 (methoddef, methodproto): Collapse separate '-' and '+'
11 handlers into 1.
12
4c521bad
NB		 132001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
14
15 * c-common.h (RID_FIRST_PQ): New.
16 * c-parse.in (objc_pq_context): New.
17 (objc parser): Set objc_pq_context rather than calling
18 remember_protocol_qualifiers and forget_protocol_qualifiers.
19 Don't call save_and_forget_protocol_qualifiers.
20 (yylexname): Handle objc protocol qualifiers here.
21 * stringpool.c (struct str_header): Replace with sp_hashnode.
22 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
23 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
24 Allocate an IDENTIFIER_NODE for each identifier.
25 (FORALL_STRINGS, set_identifier): Delete.
26 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
27 (ggc_alloc_string): Use an obstack.
28 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
29 * tree.h: Update comments.
30 (set_identifier): Delete.
31 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
32 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
33 remember_protocol_qualifiers): Delete.
34
fca790eb
JL		 35Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
36
37 * flow.c (life_analysis): After life analysis is complete, do
38 an optional scan over insns looking for REG_LABEL notes that
39 reference a deleted label.
40 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
41 before peeking at LABEL_NUSES.
42
48941cb8
RH		 432001-05-15 Richard Henderson <rth@redhat.com>
44
45 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
46 (_Unwind_GetTextRelBase): New.
47
99d8dccc
MM		 482001-05-15 Mark Mitchell <mark@codesourcery.com>
49
50 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
51
50c30603
GK		 522001-05-15 Geoffrey Keating <geoffk@redhat.com>
53
c53c4afc
GK		 54 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
55 so that CHOOSE_SECTION gets used.
56
50c30603
GK		 57 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
58 TARGET_RELOCATABLE like flag_pic for now.
59
78e1b90d
DE		 602001-05-15 David Edelsohn <edelsohn@gnu.org>
61
62 * rs6000.md (movdi splitter): Sign extend more efficiently.
63 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
64 to "long long" valid on 32-bit and 64-bit hosts.
a51ccef3 65 (logical_operand): Cast trunc_int_for_mode return value.
78e1b90d
DE		 66 (rs6000_emit_move): Shift macro to encapsulate variable.
67 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
68 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
69 plus_constant requires signed argument.
70
6f9b26b0
LR		 712001-05-15 Loren J. Rittle <ljrittle@acm.org>
72
73 * gthr-posix.h: Make additional pthread-* functions weak.
74
66aa2d30
JH		 75Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
76
77 * recog.c (apply_change_group): Avoid unneeded validating.
78
0d30d435
DE		 792001-05-14 David Edelsohn <edelsohn@gnu.org>
80
81 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
82 (num_insns_constant): CONST_INT can be 64-bits.
83
5fa5a27c
SS		 842001-05-14 Stan Shebs <shebs@apple.com>
85
86 * config/darwin.h (LIB_SPEC): Just use -lSystem.
87 (LIBGCC_SPEC): Don't define.
88
c64688ae
RH		 892001-05-14 Richard Henderson <rth@redhat.com>
90
91 * configure.in (gcc_cv_as_eh_frame): New test.
92 * config.in, configure: Rebuild.
93 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
94
f327ea3e
AM		 952001-05-14 Andrew MacLeod <amacleod@redhat.com>
96
97 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
98 extended precision divide.
99
339cb12e
AM		 1002001-05-14 Andrew MacLeod <amacleod@redhat.com>
101
102 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
103 for RETURNS as well.
104
0c2dc519
JH		 105Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
106
107 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
108 (CPP_CPU??_SIZE_TYPE): New.
109 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
110 (CPP_CPU_SPEC): ... here; support choosing of CPU.
111 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
112 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
113 compiler.
114 * i386.c (override_options): Add sorry about not suported modes.
115
47792129
JL		 116Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
117
118 * config/pa/som.h (NM_FLAGS): Remove.
119 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
120 (ASM_OUTPUT_SECTION_NAME): Remove.
121 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
122
b2a8b026
MM		 1232001-05-14 Mark Mitchell <mark@codesourcery.com>
124
125 * regrename.c (regrename_optimize): Do not rename registers to
126 leaf registers.
127
c78df6e1
AO		 1282001-05-14 Alexandre Oliva <aoliva@redhat.com>
129
130 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
131 contain MEMs. Remove useless distinction about clobbering
132 registers.
133
e44713f7
GK		 1342001-05-13 Geoff Keating <geoffk@redhat.com>
135
136 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
137 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
138 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
139 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
140 (EXCEPTION_SECTION): Define.
141
3fe68d0a
ZW		 1422001-05-13 Zack Weinberg <zackw@stanford.edu>
143
144 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
145 binary backward compat only.
146 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
147 in LIB2FUNCS. Pass it to mklibgcc.
148 * mklibgcc.in: Handle LIB2FUNCS_ST.
149
150 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
151
008355a6
AO		 1522001-05-13 Alexandre Oliva <aoliva@redhat.com>
153
154 * tm.texi (THREAD_MODEL_SPEC): Document it.
155 * gcc.c (main): Use it.
156 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
157 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
158
ff0b6b99
FS		 1592001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
160
161 * rtl.h (SYMBOL_REF_WEAK): New macro.
162 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
163 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
164 * rtl.texi (SYMBOL_REF_WEAK): Document it.
165 * gcc.texi: Remove wrong description.
166
d9835ae8
MM		 1672001-05-13 Mark Mitchell <mark@codesourcery.com>
168
169 * Makefile.in (STAMP): New macro.
170 Replace all uses of `touch' with $(STAMP).
171 * fixinc/Makefile.in: Likewise.
172
7f2749d4
RK		 173Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
174
175 * configure.in: ldopen is never in -lexc, so don't test for it.
176 Add test for exc_resume in -lexc for Ada.
177 * configure: Regenerated.
178
d9c21959 1792001-05-12 Richard Henderson <rth@redhat.com>
b627d6fe
RH		 180
181 * dwarf2asm.c (size_of_encoded_value): New function.
182 * dwarf2asm.h: Declare it.
183 * except.c (output_function_exception_table): Align the TType
184 array only as wide as the encoding.
185
1f730ff7
ZW		 1862001-05-12 Zack Weinberg <zackw@stanford.edu>
187
188 * extend.texi: Document #pragma GCC java_exceptions.
189
a3eaca15
NB		 1902001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
191
192 * c-parse.in (bison parser, init_reswords): Remove uses of
193 doing_objc_thang.
194 * c-tree.h (doing_objc_thang): Remove.
195
800914c3
NB		 1962001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
197
198 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
199 about files not ending in newlines.
200
64f0ba0a
NB		 2012001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
202
203 * dwarfout.c (dwarfout_init): Add cast.
204 * sched-deps.c (sched_analyze_insn): Remove unused vars.
205 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
206cp:
207 * method.c (build_mangled_C99_name): Remove unused prototype.
208
92928d71
AO		 2092001-05-12 Alexandre Oliva <aoliva@redhat.com>
210
211 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
212
f3c55c97
AO		 2132001-05-12 Alexandre Oliva <aoliva@redhat.com>
214
215 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
216 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
217
2a1ee410
RH		 2182001-05-11 Richard Henderson <rth@redhat.com>
219
220 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
221 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
222 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
223 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
224 (dw2_output_indirect_constants): Prototype.
225 * dwarf2out.c (dwarf2out_begin_prologue): Generate
226 current_function_func_begin_label if we'll need it for EH. Exit
227 early for IA64_UNWIND_INFO.
228 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
229 (eh_data_format_name): Update for indirect references.
230 (output_function_exception_table): Care for IA64_UNWIND_INFO.
231 Handle ASM_PREFERRED_EH_DATA_FORMAT.
232 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
233 define HAVE_eh_return etc.
234 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
235 (final_end_function): Don't call output_function_exception_table.
236 * toplev.c (compile_file): Call dw2_output_indirect_constants.
237 (rest_of_compilation): Invoke output_function_exception_table
238 for ia64 before assemble_end_function.
239 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
240 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
241
242 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
243 * unwind.h: Declare them.
244 * libgcc-std.ver: Export them.
245 * unwind-pe.h: New file.
246
247 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
248
249 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
250 instead of "fde".
251 (find_fde_for_dso): Extract DT_PLTGOT.
252 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
253 the segment and gp as well.
254 * config/ia64/frame-ia64.c: Remove file.
255 * config/ia64/frame-ia64.h: Remove file.
256 * config/ia64/unwind-ia64.c: New file.
257 * config/ia64/unwind-ia64.h: New file.
258 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
259 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
260 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
261 (ASM_PREFERRED_EH_DATA_FORMAT): New.
262 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
263 (IA64_UNWIND_INFO): Re-enable.
264 (HANDLER_SECTION): Remove.
265 (EH_RETURN_DATA_REGNO): New.
266 * config/ia64/ia64.md (exception_receiver): Remove.
267 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
268 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
269
f12f25a7
RH		 2702001-05-11 Richard Henderson <rth@redhat.com>
271
272 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
273 calls and jumps to be bundled together.
274 (ia64_reorg): Emit a break after a noreturn call that ends
275 a function.
276 * config/ia64/ia64.md (break_f): New.
277
c8a96070
NB		 2782001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
279
280 * c-lex.c (lex_charconst): Convert into a simple wrapper
281 around cpp_interpret_charconst, to which most of the code
282 body is moved.
283 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
284 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
285 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
286 (lex): Use cpp_interpret_charconst.
287 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
288 hex_digit_value): New functions.
289 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
290 * cpplib.h (cpp_interpret_charconst): New prototype.
291 * Makefile.in: Update.
292
f42974dc
DW		 2932001-05-12 Dean Wakerley <dean@wakerley.com>
294
295 * doc/install.texi: New file. Converted to texinfo from the HTML
296 documentation in wwwdocs/htdocs/install.
297
37ff4d28
JL		 298Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
299
8598a9a2
JL		 300 * gcse.c (insert_insn_end_bb): Do not search for assignments to
301 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
302
37ff4d28
JL		 303 * toplev.c (compile_file): Move comment for opening output
304 file to just before the code that opens the output file.
305
3721581a
JJ		 3062001-05-11 Jakub Jelinek <jakub@redhat.com>
307
308 * regmove.c (regmove_optimize): Suppress the optimization for
309 unchanging destination register. Add comment above function.
310
fecd6201
ZW		 3112001-05-11 Zack Weinberg <zackw@stanford.edu>
312
313 * Makefile.in: Exterminate all references to assert.h.
314 * cross-make: Likewise.
315 * assert.h: Delete.
316 * configure.in: Correct commentary.
317 * configure: Regenerate.
318
319 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
320 Remove __eprintf.
321
322 * config/t-freebsd, config/t-linux, config/t-linux-aout,
323 config/t-netbsd, config/t-rtems, config/x-linux,
324 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
325 No need to override INSTALL_ASSERT_H.
326
327 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
328 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
329 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
330
99dc5306
GS		 3312001-05-11 Graham Stott <grahams@redhat.com>
332
333 * combine.c (simplify_comparison): Fix typo.
334
28680540
MM		 3352001-05-11 Mark Mitchell <mark@codesourcery.com>
336
337 * loop.h (struct movables): Remove `num'.
338 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
339 Adjust call to strength_reduce.
340 (num_unmoved_movables): New function.
341 (move_movables): Don't set movables->num.
342 (strength_reduce): Compute the number of instructions in the loop
343 here, rather than in the caller.
344 (check_dbra_loop): Always clear reversible_mem_store if there
345 are any memory sets.
346 (loop_regs_scan): Don't count instructions here.
347 (count_insn_in_loop): New function.
348
897aa57f
MM		 3492001-05-11 Mark Mitchell <mark@codesourcery.com>
350
351 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
352
15b732b2
NB		 3532001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
354
355 * c-common.c (finish_label_expr): New function, lifted from
356 from cp/semantics.c.
357 * c-common.h (finish_label_expr, lookup_label): New prototypes.
358 * c-parse.in: Move 3 blocks of parser code into new functions.
359 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
360 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
361 (lookup_label): Remove.
362
487dcdb0
AO		 3632001-05-11 Alexandre Oliva <aoliva@redhat.com>
364
365 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
366 FLOAT_BIT_ORDER_MISMATCH.
367
f1eaaf73
DE		 3682001-05-10 David Edelsohn <edelsohn@gnu.org>
369
370 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
371 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
372
f3ce87a9
DE		 3732001-05-10 David Edelsohn <edelsohn@gnu.org>
374
375 * expr.c (emit_group_load): extract_bit_field requires a REG or
376 MEM as an argument.
377
7dfd465c
JL		 378Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
379
d466c016
JL		 380 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
381 a computed jump into an unconditional jump.
382 In second hunk of code for collapsing computed and conditional jumps
383 into unconditional jumps, reemit the jump in additional cases.
384
7dfd465c
JL		 385 * jump.c (jump_optimize_1): Do not wrap the new jump target
386 inside a LABEL_REF; gen_jump will do that automatically.
387
79cdfa4b
TM		 3882001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
389
390 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
391 contents for a SYMBOL_REF in case of floating point constants.
392
b0089a92
DD		 3932001-05-10 DJ Delorie <dj@redhat.com>
394
395 * c-common.c (combine_strings): Widen strings in a
396 host-endian-independent way.
397
25d78ace
JM		 3982001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
399
400 * c-parse.in: Remove many shift/reduce conflicts. Update
401 %expect values.
402 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
403 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
404 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
405 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
406 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
407 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
408 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
409 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
410 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
411 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
412 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
413 typespec_reserved_nonattr, typespec_reserved_attr,
414 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
415 structsp_nonattr, components_notype, component_notype_declarator,
416 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
417 firstparm, setspecs_fp): New
418 (typed_declspecs, reserved_declspecs, typed_typespecs,
419 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
420 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
421 declmods_no_prefix_attr, nonempty_type_quals, structsp,
422 type_quals): Remove. Users updated.
423 (initdecls, notype_initdecls, after_type_declarator,
424 parm_declarator, notype_declarator, absdcl1, components, ivars):
425 Don't allow attributes at the start of a declarator; include them
426 in the production containing the declarator instead. Always
427 require type specifiers before trying to redeclare a typedef name.
428 (typename): Allow for attributes but warn that they are ignored.
429 (parmlist, firstparm, setspecs_fp): Include attributes in
430 parmlist; suck them off the parser stack in firstparm using
431 setspecs_fp.
432
f926a256
JL		 433Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
434
435 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
436 to determine if a block has an unconditional jump at its end.
437
438 * jump.c (jump_optimize_1): When converting a conditional jump
439 to an unconditional jump, build the jump using gen_jump instead
440 of just modify operands in-place.
441
6d4587f7
ZW		 4422001-05-09 Zack Weinberg <zackw@stanford.edu>
443
444 * cppinit.c (cpp_post_options): Shut off macro expansion if
445 -fpreprocessed.
446 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
447 IN_I directives only if the # is in column 1 and the directive
448 name begins in column 2.
449 * cppmain.c (scan_buffer): Insert a space between # and an
450 identifier, when that identifier is a directive name.
451
452 * tradcpp.c (struct file_buf): Add a pointer to the next entry
453 in the header search path.
454 (enum node_type): Add T_INCLUDE_NEXT.
455 (directive_table): Add entry for include_next.
456 (do_include_next): New function.
457 (process_include): New routine, broken out of do_include.
458 (finclude): Insert 'nhd' argument, to be copied into
459 next_header_dir of the new buffer.
460 (main): Adjust to match.
461 * gsyslimits.h, limity.h: Un-indent #include_next.
462
10c179f3
JM		 4632001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
464
465 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
466 inclusion as a chapter of the GCC manual.
467 * gcc.texi: Include objc.texi.
468 * fdl.texi: Use @unnumberedsec for the addendum.
469 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
470
6c12e488
JH		 471Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
472
473 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
474
d3c7d45e
AO		 475Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
476
477 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
478 handling of two-address insns.
479
d08d4a19
AO		 480Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
481
482 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
483 ../binutils/nm-new instead of ../binutils/nm.
484
a2bafd20
JH		 485Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
486
487 * i386.md (movdi splitter): Fix the splitting condition
488 (float_extenddftf splitter): Fix mode.
489
4ea7a307
JH		 490Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
491
492 * genrecog.c (write_switch): Avoid outputting of switch for
493 types wider than int.
494
94bd63e5
AH		 4952001-05-03 Andrew Haley <aph@cambridge.redhat.com>
496
497 * reload1.c (copy_eh_notes): New function.
498 (emit_input_reload_insns): Call it.
499 (emit_output_reload_insns): Call it.
500
7d25bcce
ZW		 5012001-05-07 Zack Weinberg <zackw@stanford.edu>
502
503 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
504 Delete stanzas.
505 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
506 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
507
508 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
509
5c8cfcd6
JDA		 5102001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
511
512 * pa.md (interspace_jump): Revise comment.
513 (builtin_longjmp): Block initial setup insns from delay slot of
514 interspace branch.
515 (builtin_setjmp_receiver): New expander to save and restore PIC
516 register.
517
518 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
519
b73bff7e
JL		 520Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
521
1a02aff4
JL		 522 * toplev.c (compile_file): Set up the output file before we call
523 the various initializers for the compiler.
524
cb0bb87d
JL		 525 * except.c (sjlj_mark_call_sites): Do not search for assignments to
526 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
527
b73bff7e
JL		 528 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
529 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
530
37459466
ZW		 5312001-05-06 Zack Weinberg <zackw@stanford.edu>
532
533 * Makefile.in (tradcpp0): Correct typo in dependency list.
534
d5fa86ba
GK		 5352001-05-06 Geoff Keating <geoffk@redhat.com>
536
537 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
538 the link register if we're not going to use it.
539
540 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
541 (output_function_profiler): Likewise.
542
ff5a340a
AM		 5432001-05-07 Alan Modra <amodra@one.net.au>
544
545 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
546
024c02b1
AO		 5472001-05-06 Alexandre Oliva <aoliva@redhat.com>
548
b8ebd779
AO		 549 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
550 zero-extend it. Make abs_inc unsigned.
551
3c04502e
AO		 552 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
553 widest mode in narrowing and widening operations.
554
024c02b1
AO		 555 * config/mips/mips.md: Sign extend CONST_INTs.
556
762e166b
AJ		 5572001-05-06 Andreas Jaeger <aj@suse.de>
558
559 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
560 (i386 Options): Document -momit-leaf-frame-pointer.
561
714a0864
NB		 5622001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
563
564 * c-typeck.c (internal_build_compound_expr): Check for
565 array to pointer conversion just once.
566
e00c1338
RH		 5672001-05-05 Richard Henderson <rth@redhat.com>
568
569 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
570
45053eaf
RH		 5712001-05-05 Richard Henderson <rth@redhat.com>
572
573 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
574 to the parent of the fixup region.
575
5762001-05-05 Jakub Jelinek <jakub@redhat.com>
2a9071bb
JJ		 577
578 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
579 "inline" keyword.
580 * cpp.texi (__NO_INLINE): Document it.
581
f277b5e0
NB		 5822001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
583
584 * cppfiles.c (struct include_file): New member err_no.
585 (find_or_create_entry): Set it.
586 (open_file): Don't set fds to -2. Instead, use err_no to
587 remember previous errors, if any.
588
ce8882e6
SC		 5892001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
590
591 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
592 between X and Y by using sequences of xgdx and xgdy.
593
a1fdc802
SC		 5942001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
595
596 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
597 of '!' for the 'D' alternative ('!' is too strong).
598 ("*logicalsi3_silshl16"): Likewise.
599 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
600 ("movstrictsi"): Remove spurious '+'.
601 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
602 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
603 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
604 a reload to them.
605
4f380204
DE		 6062001-05-04 David Edelsohn <edelsohn@gnu.org>
607
608 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
609
c52c9a9c
LB		 6102001-05-04 Lars Brinkhoff <lars@nocrew.org>
611
612 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
613 into -a.
614
ff0b6b99 6152001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4264cf59 616
c52c9a9c
LB		 617 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
618 TARGET_POWERPC64.
4264cf59 619
39cc8df7
SC		 6202001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
621
622 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
623 soft register, use ror instead of rol.
624
3c2f4000
SC		 6252001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
626
627 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
628 into account pre/post increment decrement for 68HC12.
629 Fix other problems in replacement and fix call to reg_mentioned_p.
630
c5c2ca16
SC		 6312001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
632
633 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
634 Put the soft registers in bss for 68HC12.
635 (L_regs_d3_4): New for _.d3 and _.d4.
636 (L_regs_d5_6): Likewise.
637 (L_regs_d1_2): Likewise.
762e166b 638 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
c5c2ca16 639
3750bc81
SC		 6402001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
641
642 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
643 to the pre-processor when -fshort-double is specified.
644 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
645
3d0746ba
SC		 6462001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
647
648 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
649 (__mulsi3): Rewrite for 68HC12.
650 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
762e166b 651 Mark 'x' constraint with earlyclobber to prevent a
3d0746ba
SC		 652 RELOAD_FOR_OTHER_ADDRESS to go in it.
653 (mulhi3_m68hc12): New pattern.
654 (mulhi3_m68hc11): Rename of mulhi3.
655 (mulhi3): New expand for 68HC12 optimisation.
656 (umulhisi3, mulhisi3): New patterns for 68HC12.
657
dc3c6806
SC		 6582001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
659
660 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
661 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
662 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
663
5a62a693
SC		 6642001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
665
666 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
667 constants cheap after reload.
668 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
669 are cheap.
670 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
671 so that gcc prefers a shift by 16.
672 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
673
30506ece
NC		 6742001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
675
676 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
677
df4ae160
KG		 6782001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679
680 * alpha.h: NULL_PTR -> NULL.
681 * arm.c: Likewise.
682 * arm.h: Likewise.
683 * avr.h: Likewise.
684 * c4x.c: Likewise.
685 * c4x.h: Likewise.
686 * i386.c: Likewise.
687 * i386.md: Likewise.
688 * i860.c: Likewise.
689 * ia64.c: Likewise.
690 * m68hc11.h: Likewise.
691 * rs6000.h: Likewise.
692 * sh.c: Likewise.
693 * sh.h: Likewise.
694 * sparc.h: Likewise.
695 * v850.c: Likewise.
696
697 * expr.c: Likewise.
698 * final.c: Likewise.
699 * gcc.c: Likewise.
700 * recog.c: Likewise.
701
37a58036
KG		 7022001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703
704 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
705 `bool' parameter to `int'.
706
707 * hash.c (hash_lookup): Likewise.
762e166b 708
37a58036
KG		 709 * hash.h (hash_lookup): Likewise.
710
711 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
712
e7a4892c
JH		 713Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
714
715 * i386.c (x86_initialize_trampoline): Fix mode of constant.
716
3e18fdf6
GK		 7172001-05-03 Geoff Keating <geoffk@redhat.com>
718
719 * invoke.texi (i386 Options): Delete references to -malign-jumps,
720 -malign-loops, -malign-functions.
721 * i386.c (ix86_align_funcs): Delete.
722 (ix86_align_loops): Delete.
723 (ix86_align_jumps): Delete.
724 (override_options): Mark -malign-* as obsolete. Emulate their
725 behaviour with the -falign-* options. Default -falign-* from
726 the processor table.
727 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
728 patch of Wed May 2 13:09:36 2001.
729 (LOOP_ALIGN): Delete.
730 (LOOP_ALIGN_MAX_SKIP): Delete.
731 (LABEL_ALIGN_AFTER_BARRIER): Delete.
732 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
733
02d208ff
AJ		 7342001-05-04 Andreas Jaeger <aj@suse.de>
735
736 * except.h: Add prototype declaration for
737 expand_builtin_init_dwarf_reg_sizes.
738
4091fa5f
GK		 7392001-05-03 Geoffrey Keating <geoffk@redhat.com>
740
741 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
742
c418c5ab
SC		 7432001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
744
745 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
746 instruction.
747 ("bitcmpqi2"): New pattern for bit-extract and test.
748 ("bitcmphi"): New pattern for bitb/bita instructions.
749
fa27606c
JM		 7502001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
751
752 * gccbug.in: Use a temporary directory when the mktemp command is
753 not available.
754
7bdf2c65
SC		 7552001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
756
757 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
758 instead of _.d1.
759 (INITIALIZE_TRAMPOLINE): Call it.
760 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
761 (TRAMPOLINE_TEMPLATE): Remove.
762 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
763 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
764 Declare.
765
df9ab511
DB		 7662001-05-03 David O'Brien <obrien@FreeBSD.org>
767
768 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
769 and crtendS.o with PIC.
770
01beec65
SC		 7712001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
772
773 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
774 negative numbers.
775 (___subdi3, ___adddi3): Use x instead of y as index register.
776 (__init_bss_section, __map_data_section): Optimize for 68HC12.
777 (__memset, __memcpy): Likewise.
778 (regs): Put the soft registers in bss for 68HC12.
779 (abort): Use trap to abort for 68hc12.
780 (__mulhi3, __mulhi32): Use emul for 68hc12.
781 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
782
7832001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
784
785 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
786 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
787 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
788 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
789 Set 68HC12 min offset to -65536.
02d208ff 790 (print_operand): Put parenthesis arround the operand if it refers
01beec65 791 to a symbol having the same name as a register.
02d208ff 792 (m68hc11_z_replacement): When z register is replaced by its
01beec65
SC		 793 equivalent soft register, force the insn to be re-recognized.
794 (m68hc11_check_z_replacement): Fix the test when destination is
795 the index register and z dies in the insn.
796 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
797
7982001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
799
800 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
801 costs according to processor variant.
802 (m68hc11_shift_cost): New function to compute shift costs.
803 (m68hc11_rtx_costs): Define costs according to processor variant.
804 (m6811_cost): Costs for 68HC11.
805 (m6812_cost): Costs for 68HC12.
806 (COSTS_N_INSNS): Remove.
807
808 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
809 (DEFAULT_RTX_COSTS): Remove.
810 (CONST_COSTS): Define costs according to OUTER_CODE.
811 (processor_costs): New struct to define costs.
812 (m68hc11_cost): Pointer to current costs.
813
8142001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
815
816 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
817 and use m68hc11_notice_keep_cc when using leax/leay.
02d208ff 818 (addhi3 split): Reject split if the insn is handled by
01beec65
SC		 819 leax/leay above.
820 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
821 push must be handled in a special way if the source operand uses
822 sp as index register.
823 (m68hc11_notice_keep_cc): New function.
02d208ff 824 (m68hc11_gen_movhi): Use it when an insn changes a register but
01beec65
SC		 825 not the flags.
826 (m68hc11_gen_movqi): Fix move for 68HC12.
827 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
828
8292001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
830
831 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
832 and don't pass operands[0] to emit_library_call_value.
833
8342001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
835
836 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
837 (zero_extendsi split): Simplify and use (zero_extendhi).
02d208ff 838 (*addhi3): Remove 'w' constraint since stack pointer is handled
01beec65
SC		 839 by (addhi3_sp).
840 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
841 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
842 (*ashrhi3_const): Fix shift by 7.
843 (*lshrsi3_const16): Fix template.
844 (call, call_value): Fix constraint and predicate.
845
8462001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
847
848 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
849 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
850 (CC_REGNUM): Likewise.
851 (*unnamed splits): Use above constants instead of hard coded numbers.
852 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
853 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
854 (*return_16bit, *unnamed peepholes): Likewise.
855
cb5dda2b
DB		 8562001-05-03 David O'Brien <obrien@FreeBSD.org>
857
858 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
859 rs6000/rs6000.h twice.
860
11fdc4c3
ME		 8612001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
862
863 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
864 (CPP_SPEC): Conditionally define MSDOS and GO32.
865 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
866 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
867 ignored.
868 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
869
776716da
AO		 8702001-05-03 Alexandre Oliva <aoliva@redhat.com>
871
872 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
873
c826ae21
MM		 8742001-05-03 Mark Mitchell <mark@codesourcery.com>
875
876 * integrate.h (struct inline_remap): Add leaf_reg_map table.
877 * integrate.c (expand_inline_function): Use xcalloc to allocate
878 memory.
879 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
880 registers.
881
c64539a8
MM		 8822001-05-03 Mark Mitchell <mark@codesourcery.com>
883
884 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
885 if it is not set.
886
4abe9f62
AO		 8872001-05-03 Alexandre Oliva <aoliva@redhat.com>
888
2ea10770
AO		 889 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
890 linker if -mrelax is given.
891 (TARGET_SWITCHES): Document -mrelax.
892
4abe9f62
AO		 893 Re-installed 2001-01-09's patch:
894 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
895 if it's wider than long and the target's long is wider than the
896 host's.
897
05de394b
DB		 8982001-05-02 David O'Brien <obrien@FreeBSD.org>
899
900 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
901 directly include rs6000/rs6000.h. Instead do it in tm.h.
902
fa340504
SS		 9032001-05-02 Stan Shebs <shebs@apple.com>
904
905 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
906 NSConstantString for NeXT-style runtimes.
907 (STRING_OBJECT_GLOBAL_NAME): New macro.
908 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
909 OCTI_STRING_CLASS_DECL.
910 (constant_string_global_id): New macro.
911 (string_class_decl): Ditto.
912 (setup_string_decl): New function.
913 (build_objc_string_object): Use it to build a NeXT runtime
914 compatible string initializer.
915
2d2a86ae
JJ		 9162001-05-02 Jakub Jelinek <jakub@redhat.com>
917
918 * tradcpp.c (do_define): Make sure we don't walk past limit.
919
258bfae2
FS		 9202000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
921
922 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
923 offsets if not REG_OK_STRICT.
924
925 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
926 (INT_REG_OK_FOR_INDEX_P): Likewise.
927 (INT_REG_OK_FOR_BASE_P): Likewise.
928 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
929 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
930 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
6d4587f7 931 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
258bfae2
FS		 932 REG_OK_FOR_BASE_P. Take an additional parameter.
933 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
934 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
935 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
936 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
937 rs6000_legitimate_address() and use it.
938 * config/rs6000/rs6000.c: Update all callers.
939 (rs6000_legitimate_address): New function.
940
d34c5b80
DE		 9412001-05-02 David Edelsohn <edelsohn@gnu.org>
942
943 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
944 special_constant conditional blocks together.
945
9462001-05-02 Dale Johannesen <dalej@apple.com>
947
948 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
949 parameter.
950 (STRICT_ARGUMENT_NAMING): Define.
951 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
952 function_arg_partial_nregs, setup_incoming_varargs): Remove
953 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
954 is defined.
955
2be6a7e9
RK		 956Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
957
f1419b42
RK		 958 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
959
6349ad24
RK		 960 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
961 for replacement.
962
2be6a7e9
RK		 963 * expr.c (store_field): Do nothing except elaborate side-effects if
964 zero-bit field.
965
9714cf43
KG		 9662001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
967
968 * c-lex.c: NULL_PTR -> NULL.
969 * cse.c: Likewise.
970 * emit-rtl.c: Likewise.
971 * gcse.c: Likewise.
972 * genpeep.c: Likewise.
973 * jump.c: Likewise.
974 * mips-tdump.c: Likewise.
975 * reload1.c: Likewise.
976 * rtlanal.c: Likewise.
977 * stmt.c: Likewise.
978 * stor-layout.c: Likewise.
979 * toplev.c: Likewise.
980
0a5fee32
PB		 9812001-05-01 Per Bothner <per@bothner.com>
982
983 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
984 call do_pending_stack_adjust before emiting label.
985
bd78000b
MM		 9862001-05-01 Mark Mitchell <mark@codesourcery.com>
987
988 * extend.texi: Fix typo.
989
d54d2a05
SS		 9902001-05-01 Stan Shebs <shebs@apple.com>
991
992 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
993 of UOBJC_MODULES_decl.
994 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
995 (generate_descriptor_table): Ditto.
996 (generate_protocols): Ditto.
997 (generate_protocol_list): Ditto.
998 (generate_classref_translation_entry): Ditto.
999
1c4c47db
JO		 10002001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1001
1002 * invoke.texi (Optimize Options): Add documentation for `--param
1003 max-delay-slot-insn-search' and `--param
1004 max-delay-slot-live-search' and reorder --param section.
1005 * params.def: Modify initial comment.
1006 * params.h (param_info): Add `help' member.
1007 * toplev.c (lang_independent_params): Include `help' description.
1008 (display_help): Print --param parameters.
1009
4e70264f
ZW		 10102001-05-01 Zack Weinberg <zackw@stanford.edu>
1011
1012 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1013 Remove references to deleted files.
1014 (*-*-openbsd): No need to override xmake_file.
1015 (*-*-sysv4): Treat like *-*-sysv.
1016
1017 * configure.in: Probe for ldopen in various places, and set up
1018 collect2 to be linked with them if found.
1019 Don't dink with Windows registry stuff unless $host_os is a
1020 Win32 os name. Check to see if we need -ladvapi32.
1021 * configure: Regenerate.
1022
1023 * Makefile: Get rid of CLIB and HOST_CLIB.
1024 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1025 * build-make: Get rid of HOST_CLIB.
1026
1027 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1028 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1029 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1030 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1031 config/rs6000/x-rs6000: Delete.
1032
1033 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1034 Don't set CLIB.
1035
1036 24 x-host fragments remain, 0 x-cpu, 3 top level.
1037
10382001-05-01 Zack Weinberg <zackw@stanford.edu>
1039
1040 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1041 * configure: Regenerate.
1042
16636d35
AMT		 10432001-05-01 Angela Marie Thomas <angela@cygnus.com>
1044
1045 * Makefile.in (install-headers): Remove redundant dependency.
1046
07dd196a
NS		 10472001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1048
1049 * c-tree.texi (USING_STMT): Document.
1050
6496a589
KG		 10512001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052
1053 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1054 * c-common.c: Likewise.
1055 * c-decl.c: Likewise.
1056 * combine.c: Likewise.
1057 * rs6000.c: Likewise.
1058 * except.c: Likewise.
1059 * explow.c: Likewise.
1060 * expr.c: Likewise.
1061 * fold-const.c: Likewise.
1062 * function.c: Likewise.
1063 * gcc.c: Likewise.
1064 * gcse.c: Likewise.
1065 * integrate.c: Likewise.
1066 * loop.c: Likewise.
1067 * objc/objc-act.c: Likewise.
1068 * recog.c: Likewise.
1069 * reg-stack.c: Likewise.
1070 * reload.c: Likewise.
1071 * reload1.c: Likewise.
1072 * simplify-rtx.c: Likewise.
1073 * stmt.c: Likewise.
1074 * varasm.c: Likewise.
1075
d0e66dbb
GDR		 10762001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1077
1078 * diagnostic.def: New file.
1079 * diagnostic.h (diagnostic_t): New enum.
1080 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1081
34f4f3a5
ZW		 10822001-04-30 Zack Weinberg <zackw@stanford.edu>
1083
02d208ff 1084 * tsystem.h: Test only POSIX for availability of string.h
34f4f3a5
ZW		 1085 and time.h.
1086 * config.gcc (all systems): If USG appeared in xm_defines,
1087 change it to POSIX. If both USG and POSIX appeared, just
1088 delete USG. Remove unnecessary quotes around xm_defines
1089 settings.
1090 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1091 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1092 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1093 powerpc-*-linux*): No need to set xm_defines - handled by
1094 global settings for *-*-linux*.
1095
7719ffbf
ZW		 10962001-04-30 Zack Weinberg <zackw@stanford.edu>
1097
1098 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1099 Always include gstab.h, not system stab.h. Don't provide
1100 default definitions of N_CATCH or N_OPT. Always use the
1101 gstab.h variant of STAB_CODE_TYPE.
1102 * final.c: Don't include stab.h/gstab.h at all, or provide
1103 defaults for N_SLINE and N_SOL.
1104
1105 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1106 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1107 available.
1108 * sdbout.c: Always include gsyms.h instead of system syms.h.
1109
1110 * configure.in: No need to check for stab.h.
1111 * configure, config.in: Regenerate.
1112 * Makefile.in (final.o): Don't depend on gstab.h.
1113
e71b34aa 11142001-04-30 Mark Mitchell <mark@codesourcery.com>
7719ffbf
ZW		 1115 Richard Henderson <rth@redhat.com>
1116
e71b34aa 1117 * extend.texi: Improve documentation of volatile asms.
7719ffbf 1118
e71b34aa
MM		 11192001-04-30 Mark Mitchell <mark@codesourcery.com>
1120
1121 * c-tree.texi: Fix thinko.
1122 * gcc.texi: Likewise.
1123
d72040f5
RH		 11242001-04-30 Richard Henderson <rth@redhat.com>
1125
1126 * c-common.c (c_promoting_integer_type_p): New function, from the
1127 corpse of old macro. Properly promote too-small enumerations and
1128 booleans. Adjust all callers.
1129 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1130 (c_promoting_integer_type_p): Declare.
1131 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1132 * c-typeck.c: Likewise.
1133 (default_conversion): Remove now redundant boolean check.
1134
595c2290 11352001-04-30 Jan Hubicka <jh@suse.cz>
7719ffbf 1136 Richard Henderson <rth@redhat.com>
595c2290
JH		 1137
1138 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1139 sanity checks.
1140 (combine_stack_adjustments_for_block): Don't combine stack
1141 allocation followed by deallocations. Handle grow-up stacks.
1142
c3aac512
MM		 11432001-04-30 Mark Mitchell <mark@codesourcery.com>
1144
1145 * fdl.texi: New file.
1146 * c-tree.texi: Use the GFDL.
1147 * gcc.texi: Likewise.
1148
60de6385
SS		 11492001-04-30 Stan Shebs <shebs@apple.com>
1150
1151 * invoke.texi: Add a section documenting Objective-C options.
1152
d6e95df8
AH		 11532001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1154
1155 * emit-rtl.c (try_split): Copy EH notes to sequence.
1156
d60e5448
MM		 11572001-04-30 Mark Mitchell <mark@codesourcery.com>
1158
1159 * regmove.c (record_stack_memrefs): Catch all references to the
1160 stack pointer.
1161
fba3bbe3
TR		 11622001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1163
1164 * Makefile.in(stmp-fixinc): quote shell assignment values
1165
d4f2852f
KG		 11662001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167
1168 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1169
1170 * gcc.c: Likewise.
1171
1172 * prefix.c: Likewise.
1173
f37f462a
SS		 11742001-04-28 Stan Shebs <shebs@apple.com>
1175
28df0b5a
SS		 1176 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1177 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1178 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1179 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1180
f37f462a
SS		 1181 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1182 (NEXT_OBJC_RUNTIME): Define.
7719ffbf 1183
141e454b
JH		 1184Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1185
1186 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1187 * simplify-rtx.c (simplify_gen_relational): Likewise.
1188
1189 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1190
1191 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1192 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1193
1194 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1195 registers in SSE case; fix handling of the immediates.
1196 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1197 operands to be in regsiters before reload.
1198 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1199 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1200 (abstf,absxf,negtf,negxf splitters): Compute
1201 properly the regnum for x86_64.
1202 (avsdf2_if_rex64): New.
1203
5bb86bf2
JL		 1204Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1205
1206 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1207 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1208 into the constant pool.
1209 * jump.c (jump_optimize_1): Remove barrier successors after all
1210 the LABEL_NUSES counds have been computed.
1211 (delete_barrier_successors): When deleting a tablejump insn, also
1212 delete the jump table it uses.
1213 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1214 label into memory.
1215
3a432f1f
MK		 12162001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1217
7719ffbf 1218 * pa.c (FRP): Remove erroneous white space in macro definition.
3a432f1f 1219
02f52e19
AJ		 12202001-04-28 Andreas Jaeger <aj@suse.de>
1221
1222 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1223 appropriate.
1224 * extend.texi: Likewise.
1225 * tm.texi: Likewise.
1226
1e5f973d
AJ		 12272001-04-28 Andreas Jaeger <aj@suse.de>
1228
7719ffbf
ZW		 1229 * md.texi: Use XX-bit instead of XXbit or XX bit where
1230 appropriate.
1e5f973d 1231
4275c4c4
JS		 12322001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1233
1234 * gcc.c (process_command): Allow -l lib in addition to -llib
1235 for POSIX compliance. This fixes PR c/2347.
1236
1237 * invoke.texi: Update section on Link Options accordingly.
1238
cc2e8b2d
ZW		 12392001-04-27 Zack Weinberg <zackw@stanford.edu>
1240
1241 * function.c (purge_addressof_1): Remove the duplicate
1242 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1243 blocks together.
1244
16842c15
JM		 12452001-04-28 Jason Merrill <jason_merrill@redhat.com>
1246
1247 * except.c (expand_eh_region_start): Don't start a new block.
1248 (expand_eh_region_end): Don't end a block.
1249 * stmt.c (expand_end_bindings): Don't end EH blocks.
1250 (expand_decl_cleanup): Starting an EH region won't change the block.
1251 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1252 (is_eh_region): Lose.
1253 * tree.h: Adjust.
1254
5897739e
JO		 12552001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1256
16842c15
JM		 1257 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1258
5897739e
JO		 1259 * collect2.c (main): Add `-L' case to remove duplicate entries.
1260 (is_in_args): New function to check for a duplicate argument.
1261 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1262 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1263 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1264 Define to be nonzero.
1265
994682b9
AJ		 12662001-04-27 Andreas Jaeger <aj@suse.de>
1267 Richard Henderson <rth@redhat.com>
1268
1269 * md.texi (Machine Constraints): Document additional i386
1270 constraints and fix description of "A".
1271
58c35fc2
JL		 1272Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1273
1274 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1275
041c9d5a
JM		 12762001-04-27 Jason Merrill <jason_merrill@redhat.com>
1277
1278 * except.c (get_exception_filter): word_mode, not Pmode.
1279
fbffc70a
GK		 12802001-04-26 Geoffrey Keating <geoffk@redhat.com>
1281
fd2c87bd
GK		 1282 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1283 common to other movsf patterns. Move up so that in future
1284 people who change the other patterns will change it too.
1285 (movsf_lo_sum): Allow even for soft-float; add appropriate
1286 constraints.
1287 (movsf_high): Likewise.
1288 (movsf_high+1): Allow even for soft-float.
1289
fbffc70a
GK		 1290 * function.c (expand_function_end): Always clobber the
1291 return registers, even if there is no return label.
1292
52a661a6
JH		 1293Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1294
1295 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1296
b3298882
JH		 1297Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1298
1299 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1300 (pushqi2_rex64, pushhi2_rex64): Add.
1301
c10f3adf
AH		 13022001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1303
1304 * except.c (expand_eh_region_end_cleanup): Force pending stack
994682b9 1305 adjust before emitting label that branches around cleanup code.
c10f3adf 1306
44404b8b
L		 13072001-04-26 H.J. Lu (hjl@gnu.org)
1308
1309 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1310
1311 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1312 define.
1313 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1314 (ASM_OUTPUT_SECTION_NAME): Likewise.
1315 (ASM_WEAKEN_LABEL): Likewise.
1316 (UNIQUE_SECTION): Likewise.
1317 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1318 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1319 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1320 (ASM_OUTPUT_SECTION_NAME): Likewise.
1321 (ASM_WEAKEN_LABEL): Likewise.
1322 (UNIQUE_SECTION): Likewise.
1323 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1324 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1325 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1326 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1327 (ASM_FILE_START): Likewise.
1328 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1329 (ASM_DECLARE_OBJECT_NAME): Likewise.
1330 (ASM_FILE_END): Likewise.
1331 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1332 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1333 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1334 (ASM_OUTPUT_CASE_LABEL): Likewise.
1335 (ASM_OUTPUT_SKIP): Likewise.
1336 (ASM_OUTPUT_ASCII): Likewise.
1337 (ASM_OUTPUT_IDENT): Likewise.
1338 (READONLY_DATA_SECTION): Likewise.
1339 (EXTRA_SECTIONS): Likewise.
1340 (EXTRA_SECTION_FUNCTIONS): Likewise.
1341 (SELECT_RTX_SECTION): Likewise.
1342 (SELECT_SECTION): Likewise.
1343
1344 * config/mips/linux.h (INVOKE__main): Undefine.
1345 (CTOR_LIST_BEGIN): Likewise.
1346 (CTOR_LIST_END): Likewise.
1347 (DTOR_LIST_BEGIN): Likewise.
1348 (DTOR_LIST_END): Likewise.
1349 (SET_ASM_OP): Defined it to ".dummy".
1350 (ASM_OUTPUT_DEF): Defined.
1351 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1352
fdc2d3b0
NC		 13532001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1354
1355 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1356 assembler supports .p2align.
1357
5677efb0
NS		 13582001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1359
1360 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1361
3b07c79b
JJ		 13622001-04-26 Jakub Jelinek <jakub@redhat.com>
1363
1364 * integrate.c (expand_inline_function): Check for error_mark_node
1365 in actual argument.
1366
e9070e7b
JJ		 13672001-04-26 Jakub Jelinek <jakub@redhat.com>
1368
1369 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1370 -m386 and -m486.
1371
a6687d2b
AO		 13722001-04-26 Alexandre Oliva <aoliva@redhat.com>
1373
1374 * configure.in (configargs.h): Define thread_model.
1375 * configure: Rebuilt.
1376 * gcc.c (main): Print it with -v.
1377
1f0c3120
JM		 13782001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1379
1380 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1381 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1382 * gcc.1: Regenerate.
1383
66cc965c
RO		 13842001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1385
1386 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1387 is_redundant_typedef): Use static inline instead of inline static.
1388
2baa5453
CF		 1389Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1390
1391 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1392 this directory is always searched.
1393
84e306b4
RH		 13942001-04-25 Richard Henderson <rth@redhat.com>
1395
1396 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1397 of registers to restore along non eh_return path.
1398
b5cd6849
JJ		 13992001-04-25 Jakub Jelinek <jakub@redhat.com>
1400
1401 * c-format.c (check_format_info_recurse): Handle
1402 PLUS_EXPR for format string.
1403
ad5042df
JJ		 14042001-04-25 Jakub Jelinek <jakub@redhat.com>
1405
1406 * config/ia64/ia64.h (CC1_SPEC): Define.
1407 * config/ia64/linux.h (CC1_SPEC): Define.
1408
73de376f
R		 1409Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1410
1411 * emit-rtl.c (constant_subword): Also do sign extension in
1412 BITS_PER_WORD == 16 case.
1413
0ef52662
JM		 14142001-04-25 Jason Merrill <jason_merrill@redhat.com>
1415
1416 * loop.c (try_swap_copy_prop): Go back to checking insn.
1417
0607953c
JJ		 14182001-04-25 Jakub Jelinek <jakub@redhat.com>
1419
1420 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1421 if check_mode is non-zero.
1422
e99af66b
JJ		 14232001-04-25 Jakub Jelinek <jakub@redhat.com>
1424
1425 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1426 out and comparison sequence has been detected, put result into
1427 proper temporary pseudo.
1428
0f976b45
ZW		 14292001-04-24 Zack Weinberg <zackw@stanford.edu>
1430
1431 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1432 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1433 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1434 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1435 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1436 for future reference.
1437
47c84870
JM		 14382001-04-24 Jason Merrill <jason_merrill@redhat.com>
1439
1440 * except.c (reachable_handlers): Step out one level from a RESX.
1441
1442 * except.c (struct eh_region): Rename 'last' to 'resume'.
1443 (mark_eh_region, duplicate_eh_region_1): Adjust.
1444 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1445 (build_post_landing_pads): Likewise.
1446 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1447 (expand_eh_region_end_must_not_throw): Likewise.
1448 (connect_post_landing_pads): Thread (only) regions with non-deleted
1449 resume insns.
1450
1451 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1452 registers around the cleanup.
1453 (get_exception_filter): New fn.
1454 (finish_eh_generation): Use it.
1455
de8e49f3
NS		 14562001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1457
1458 * c-semantics.c (add_scope_stmt): Don't call
1459 current_scope_stmt_stack multiple times.
1460
0ba8a114
NS		 14612001-04-24 Zack Weinberg <zackw@stanford.edu>
1462 Nathan Sidwell <nathan@codesourcery.com>
1463
1464 Lazy __FUNCTION__ generation.
1465 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1466 RID_C99_FUNCTION_NAME): New _RIDs.
1467 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1468 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1469 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1470 global tree slots.
1471 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1472 (c99_function_name_decl_node, function_name_decl_node,
1473 pretty_function_name_decl_node, saved_function_name_decls):
1474 Declare.
1475 (struct language_function): Remove x_function_name_declared_p.
1476 (make_fname_decl): Remove a parameter.
1477 (declare_function_names): Remove prototype.
1478 (start_fname_decls, finish_fname_decls): Prototype.
1479 (fname_as_string): Likewise.
1480 (fname_string, fname_decl): Likewise.
1481 * c-common.c (make_fname_decl): Adjust.
1482 (struct fname_var_t): New struct.
1483 (fname_vars): New static array.
1484 (declare_function_name): Remove.
1485 (start_fname_decls, finish_fname_decls): New functions.
1486 (fname_as_string): New function from remnants of
1487 declare_function_name.
1488 (fname_string, fname_decl): New functions.
1489
1490 * c-decl.c (c_function_name_declared_p): Remove.
1491 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1492 don't call declare_function_name. Call start_fname_decls.
1493 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1494 clobber the line number. Call finish_decl.
1495 (start_function): Call start_fname_decls.
1496 (finish_function): Call finish_fname_decls.
1497 Remove c_function_name_declared_p.
1498 (push_c_function_context): Don't push c_function_name_declared_p.
1499 (pop_c_function_context): Don't pop c_function_name_declared_p.
1500 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1501 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1502 (program): Call finish_fname_decls for C.
1503 (primary): Add VAR_FUNC_NAME.
1504 (reswords): Add slots for __FUNCTION__ et al.
1505 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1506 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1507 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1508 * c-semantics.c (prune_unused_decls): Remove.
1509 (finish_stmt_tree): Don't call prune_unused_decls.
1510 (genrtl_decl_stmt): Don't prune unused decls here.
1511
b201442f
NC		 15122001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1513
c6f9b9a1
NC		 1514 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1515 constant pool, use the pool's SYMBOL_REF instead.
1516
b201442f
NC		 1517 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1518 v850e.
1519
c3cd9c8b
JM		 15202001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1521
1522 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1523 passing nested NOP_EXPRs to fold.
1524
35433587
JH		 1525Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1526
1527 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1528
e6217dcd
MM		 15292001-04-22 Mark Mitchell <mark@codesourcery.com>
1530
1531 * loop.c (loop_delete_insns): Add prototype.
1532
e2584c52
PE		 15332001-04-23 Phil Edwards <pme@sources.redhat.com>
1534
1535 * configure.in: Remove ENABLE_STD_NAMESPACE.
1536 * config.in: Regenerated.
1537 * configure: Regenerated.
1538
a3b1a352
SS		 15392001-04-22 Stan Shebs <shebs@apple.com>
1540
1541 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1542 into xm_defines.
1543 * config/rs6000/xm-darwin.h: Remove file.
1544
d4c3ec27
KG		 15452001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1546
1547 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1548 (write_c_file_stat): Likewise.
1549
1550 * dbxout.c (dbxout_init): Likewise.
1551
1552 * profile.c (output_func_start_profiler): Likewise.
1553
146ef880
PT		 15542001-04-22 Philipp Thomas <pthomas@suse.de>
1555
1556 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1557 require it instead of the CVS version.
7719ffbf
ZW		 1558 * cpperror.c (v_message): Put a blank before the macro
1559 body to not confuse exgettext.
146ef880 1560
e8c8470b
MM		 15612001-04-21 Mark Mitchell <mark@codesourcery.com>
1562
1563 * flow.c (proagate_one_insn): Remove useless assignment.
1564 * jump.c (delete_insn): Tidy.
1565 * loop.c (try_copy_prop): When deleting an instruction with a
1566 REG_RETVAL note, delete the entire libcall sequence.
1567 (loop_delete_insns): New function.
1568 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1569 we're not substituting into them yet.
994682b9 1570
68560db3
KH		 15712001-04-21 Kazu Hirata <kazu@hxi.com>
1572
1573 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1574
51f26c45
KH		 1575 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1576 Fix a comment typo.
1577 * config/i960/i960.c (signed_arith_operand): Likewise.
1578
d80d2d2a
KH		 1579 * calls.c (expand_call): Fix a comment typo.
1580
c1800ec8
ZW		 15812001-04-20 Zack Weinberg <zackw@stanford.edu>
1582
1583 * configure.in: Probe for times, clock, struct tms, and clock_t.
1584 * configure, config.in: Regenerate.
1585 * timevar.c: Replace ifdef forest in get_time with (relatively)
1586 straightforward series of checks based on autoconf's probes.
1587
2c2ef4b9
JL		 1588Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1589
1590 * config/pa/som.h (NM_FLAGS): Define.
1591
a0a7b566
BS		 15922001-04-20 Bernd Schmidt <bernds@redhat.com>
1593
1594 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1595 function.
1596 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1597 * ia64.c (nop_cycles_until): New function.
1598 (prev_cycle, prev_first, last_issued): New static variables.
1599 (ia64_sched_reorder): Additional arg for clock.
1600 On final scheduling pass, emit extra NOPs as needed.
1601 Set prev_first and prev_cycle.
1602 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1603 (ia64_variable_issue): Set last_issued.
1604
7471a1f0
AO		 16052001-04-20 Alexandre Oliva <aoliva@redhat.com>
1606
1607 * config/i386/i386.c (ix86_expand_int_movcc,
1608 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1609
856a6884
GK		 16102001-04-20 Geoff Keating <geoffk@redhat.com>
1611
1612 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1613 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1614 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1615 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1616 ctrdi_internal6): In the short-branch case, this insn is only 4
1617 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1618
d40cd80a
JJ		 16192001-04-20 Jakub Jelinek <jakub@redhat.com>
1620
1621 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1622 "=u" is used together with "st" resp. "st(1)" clobber.
1623
43e72072
JJ		 16242001-04-20 Jakub Jelinek <jakub@redhat.com>
1625
1626 * gcse.c (gcse_main): Fix comment typo.
1627 (delete_null_pointer_check): Likewise.
1628 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1629 * cse.c (cse_insn): Likewise.
1630 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1631 toplevel.
1632
4000fada
ZW		 16332001-04-19 Zack Weinberg <zackw@stanford.edu>
1634
1635 * toplev.c: Excise all code for the undocumented -dm option.
1636 (float_signal): Call signal just once, unconditionally.
1637
dea8be3e
GK		 16382001-04-19 Geoff Keating <geoffk@redhat.com>
1639
1640 * fold-const.c (fold): Use first_rtl_op rather than
1641 TREE_CODE_LENGTH when looping over parameters of a tree.
1642 Correct strange grouping in test for evaluated SAVE_EXPR.
1643
fe6adb3e
JL		 1644Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1645
1646 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1647 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1648
1649 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1650 name at 32 total characters.
1651 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1652 functions in named sections -- data items can still go into unique
1653 sections, but they have normal names (ie $LIT$ and $DATA$).
1654
1655 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1656 INIT_PRIORITY.
1657
45936a85
DD		 16582001-04-19 DJ Delorie <dj@redhat.com>
1659
1660 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1661 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1662 * config/i386/cygwin.h: Likewise.
1663 * config/i386/mingw32.h: Likewise.
1664 * config/vax/vms.h: Likewise.
1665 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1666
1667 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1668 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1669 * config/i386/xm-cygwin.h: Likewise.
1670 * config/i386/xm-djgpp.h: Likewise.
1671 * config/i386/xm-mingw32.h: Likewise.
1672 * config/vax/xm-vms.h: Likewise.
1673
1674 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1675 instead of OBJECT_SUFFIX.
1676 * collect2.c (find_a_file): Look for files matching the extension
1677 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
994682b9 1678 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
45936a85
DD		 1679 TARGET_EXECUTABLE_SUFFIX.
1680 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1681 (make_relative_prefix): Likewise.
1682 (convert_filename): Use TARGET_ suffixes throughout. Remove
1683 NO_AUTO_EXE_SUFFIX.
1684 (process_command): Likewise.
1685 (do_spec_1): Likewise.
1686 * java/lang.c (init_parse): Likewise.
1687
1688 * gcc.texi : Document four new options matching the pattern
1689 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1690 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1691 documentation for NO_AUTO_EXE_SUFFIX.
1692
3dcaf6e0
MM		 16932001-04-19 Mark Mitchell <mark@codesourcery.com>
1694
57883c53
MM		 1695 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1696 that language-independent processing should not be done.
1697 * toplev.c (main): Adjust accordingly.
1698
13c502cd
MM		 1699 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1700 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1701
3dcaf6e0
MM		 1702 * mips.md (reload_outputdi): Require that operand0 be a
1703 general_operand.
1704
d773df5a
DB		 17052001-04-19 Jakub Jelinek <jakub@redhat.com>
1706
1707 * invoke.texi (-Wshadow): Clarify.
1708
17e2b3cb
MM		 17092001-04-18 Mark Mitchell <mark@codesourcery.com>
1710
1711 * loop.c (load_mems): Examine all the instructions in the loop
1712 before concluding that all jumps branch to the first instruction
1713 after the loop.
1714
9e24b950
CF		 1715Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1716
1717 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1718
0d692355
JJ		 17192001-04-18 Jakub Jelinek <jakub@redhat.com>
1720
1721 * cpp.texi (-Wwhite-space): Remove.
1722 (-Wall): -Wall does not imply -Wwhite-space.
1723
ad087b92
ZW		 17242001-04-17 Zack Weinberg <zackw@stanford.edu>
1725
1726 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1727 use it instead of blindly generating a .stabs.
1728 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1729 in the right place.
1730 * xcoffout.c: Don't bother defining default for N_CATCH.
1731 (UNKNOWN_STAB): Use internal_error.
1732 (stab_to_sclass): Remove now-unnecessary aborts.
1733 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1734
b9c81bcb
JL		 1735Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1736
1737 * jump.c (mark_all_labels): Canonicalize the tail recursion
1738 label attached to CALL_PLACEHOLDER insns.
1739
2f4e671d
KG		 17402001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1741
1742 * output.h (dump_flow_info, free_basic_block_vars,
1743 which_alternative): Delete redundant prototypes.
1744
1745 * rtl.h (bss_section): Likewise.
1746
7848c238
LR		 17472001-04-17 Loren J. Rittle <ljrittle@acm.org>
1748
1749 * dbxout.c (N_OPT): Define if not available from <stab.h>
1750
5854680c
JDA		 17512001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1752
1753 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1754 libraries and native K&R compilers.
1755
3ed56f8a
KG		 17562001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1757
1758 * c-typeck.c (convert_arguments): Don't check for width changes
1759 with -Wtraditional.
1760
1761 * invoke.texi (-Wtraditional): Update documentation.
1762
acb0db7b
ZW		 17632001-04-16 Zack Weinberg <zackw@stanford.edu>
1764
1765 * toplev.c (output_lang_identify): Delete.
1766 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1767 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1768 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1769 after calling ASM_FILE_END.
1770
1771 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1772 Instead, unconditionally emit an N_OPT stab with string equal
1773 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1774
1775 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1776
1777 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1778 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1779 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1780 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1781 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1782 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1783 config/i370/i370.h, config/i386/beos-elf.h,
1784 config/i386/osf1elf.h, config/i386/osfrose.h,
1785 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1786 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1787 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1788 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1789 config/mips/iris6.h, config/mips/osfrose.h,
1790 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1791 config/sparc/sp64-elf.h:
1792 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1793 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1794
1795 * config/elfos.h, config/freebsd.h, config/linux.h,
1796 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1797 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1798 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1799 of ASM_FILE_START which merely emit a .version directive. Delete
1800 definitions of ASM_FILE_END which merely emit an .ident directive.
1801
1802 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1803 ASM_IDENTIFY_GCC and move part of its logic into
1804 ASM_FILE_START.
1805
1806 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1807 config/sparc/linux-aout.h: Don't emit .version directive in
1808 ASM_FILE_START.
1809
1810 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1811 (output_file_start): Correct comment.
1812
1813 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1814 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1815 to match gdb.
1816 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1817 * config/rs6000/aix.h: Correct comment.
1818
1819 * config/i386/i386afe.h: Delete.
1820 * config.gcc: Remove references to i386afe.h.
1821
1822 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1823 other macros deleted by this patch were undocumented.
1824
3bcd50fe
JL		 1825Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1826
75d71b2f
JL		 1827 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1828
ad087b92 1829 * pa.c (secondary_reload_class): SAR<->FP copies require a
26ee120d
JL		 1830 secondary register.
1831
3bcd50fe
JL		 1832 * install.texi (mips-mips-bsd): Update list of functions
1833 required to include memmove.
1834 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1835 used functions to include memmove.
1836
2406cfed
TM		 18372001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1838
1839 * i386.md (sqrtdf2): SFmode should be DFmode.
1840
f54104df
AO		 18412001-04-15 Alexandre Oliva <aoliva@redhat.com>
1842
1843 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1844 (find_moveable_store): Likewise.
1845
aa570f54
JW		 18462001-04-15 Jim Wilson <wilson@redhat.com>
1847
1848 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1849
7c17f553
JH		 1850Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1851
1852 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1853 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1854
81df85c4
AO		 18552001-04-14 Alexandre Oliva <aoliva@redhat.com>
1856
1857 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1858 first alternative.
1859
6619e96c
AM		 18602001-04-14 Alan Modra <amodra@one.net.au>
1861
1862 * pa.c (force_mode): New function.
1863 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1864
25250265
JW		 18652001-04-13 Jim Wilson <wilson@redhat.com>
1866
1867 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1868 (first_instruction): New static variable.
1869 (rtx_needs_barrier): Return 1 for alloc.
1870 (init_insn_group_barriers): Set first_instruction.
1871 (rws_sum): Delete duplicate definition.
1872 (group_barrier_needed_p): Return 0 when first_instruction true.
1873 (safe_group_barrier_needed_p): Save and restore first_instruction
1874 around group_barrier_needed_p call.
1875
b215b52e
LR		 1876Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1877
1878 * expr.h (enum libfunc_index): Add LTI_memmove.
1879 (memmove_libfunc): Define macro.
1880 * optabs.c (init_optabs): Initialize memmove_libfunc.
1881 * expr.c (expand_assignment): Use memmove_libfunc instead of
1882 memcpy_libfunc.
1883
7eb07bdb
AM		 18842001-04-13 Alan Modra <alan@linuxcare.com.au>
1885
ad087b92
ZW		 1886 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1887 fp mode addresses.
7eb07bdb 1888
2840aebf
KG		 18892001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1890
1891 * Makefile.in (reg-stack.o): Depend on reload.h.
1892 (insn-attrtab.o): Depend on flags.h.
1893
1894 * genattrtab (main): Include flags.h in insn-attrtab.c.
1895
1896 * reg-stack.c: Include reload.h.
1897
1898 * sparc.h (flag_pic): Delete redundant declaration.
1899
1900 * output.h (flag_pic): Likewise.
1901
1902 * tree.h (pedantic): Likewise.
1903
8461e984
KG		 19042001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1905
1906 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1907
1908 * jump.c, regmove.c, toplev.c: Include reload.h.
1909
1910 * reload.h (reload_cse_regs): Declare.
1911
1912 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1913 reload_cse_regs, init_reload, mark_home_live, reload,
1914 init_caller_save): Delete redundant prototypes.
1915
0829d244
KG		 19162001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1917
1918 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1919
1920 * regclass.c, ssa.c: Include expr.h.
1921
1922 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1923 gen_move_insn): Delete redundant declarations.
1924
6fa0f379 19252001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
02f52e19 1926
6fa0f379
FS		 1927 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1928 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1929 MAKEINFO and MAKEINFOFLAGS too.
1930 (stage4_build): Correctly order -B flags.
1931
38010927
AM		 19322001-04-13 Alan Modra <amodra@one.net.au>
1933
fbdd633b
AM		 1934 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1935 PIC_OFFSET_TABLE_SAVE_RTX.
831c1763
AM		 1936 (zdepi_cint_p): Describe zdepi insn.
1937 Formatting and white space fixes throughout file.
fbdd633b 1938
e0c556d3
AM		 1939 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1940 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1941 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1942 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1943 (output_64bit_and): Use plain `int's for shift counts.
1944 (output_64bit_ior): Likewise.
1945 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1946 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1947 `N', and simplify.
1948
8d913d99
AM		 1949 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1950 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1951 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1952 NEW_HP_ASSEMBLER into one. Kill warnings.
1953
c21a2372
AM		 1954 * pa-gas.h: Delete file.
1955 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1956 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1957 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1958 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1959
48bd7758
AM		 1960 * config/pa/mill32.S: New file.
1961 * config/pa/mill64.S: New file.
1962 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1963 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1964 * config/pa/t-linux64: New file.
1965 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1966 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1967 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1968
e25724d8
AM		 1969 * elfos.h (SELECT_SECTION): Undef before defining.
1970 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1971 (LIB_SPEC): Remove -lmilli.
1972 (DBX_REGISTER_NUMBER): Remove.
1973 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1974 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1975 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1976 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1977 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1978 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1979 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1980 TARGET_GAS): Define.
1981 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1982 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1983 regs if we don't have a prototype.
1984 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1985 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1986 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1987 EH_RETURN_HANDLER_RTX): Define.
1988 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1989 (DWARF_FRAME_REGNUM): Define.
1990 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1991 * pa32-linux.h: New file.
1992 * pa64-linux.h: New file.
1993
38010927
AM		 1994 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1995 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1996 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1997 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1998 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1999 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2000 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2001 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2002 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2003 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2004 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2005 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2006 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2007 * pa64-hpux.h: New file.
2008 (ASM_FILE_START): Correct typo.
2009 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2010 * config.gcc: Modify for above.
2011
35bb0780
JW		 2012Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2013
2014 * jump.c (jump_optimize_1): Don't delete dead stores here.
2015 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2016 prior to running jump optimize before cse2.
2017
754fd218
RH		 20182001-04-12 Richard Henderson <rth@redhat.com>
2019
2020 * Makefile.in (regmove.o): Depend on except.h.
2021 * regmove.c: Include it.
2022
4bd34c39
SS		 20232001-04-12 Stan Shebs <shebs@apple.com>
2024
2025 * objc/objc-act.c: Remove all code ifdefed with the never-used
2026 macro OBJC_INT_SELECTORS.
2027 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2028 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2029
3b7da9c5
RB		 2030Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2031
2032 * config/pa/quadlib.c: Add prototypes.
2033
44c4c11d
KG		 20342001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2035
2036 * bitmap.h (debug_bitmap): Delete redundant prototype.
2037
2038 * rtl.h (get_frame_size): Likewise.
2039
640cea5f
JW		 20402001-04-12 Jim Wilson <wilson@redhat.com>
2041
2042 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2043 to just emit an fnorm.
2044
20e50c62
KG		 20452001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2046
2047 * c-common.h (truthvalue_conversion, type_for_mode,
2048 type_for_size): Delete redundant declarations.
2049
2050 * c-lex.h (is_class_name): Likewise.
2051
2052 * c-tree.h (pedantic, convert, getdecls, gettags,
2053 global_bindings_p, init_decl_processing, insert_block,
2054 maybe_build_cleanup, poplevel, print_lang_decl,
2055 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2056 set_block, incomplete_type_error, build_function_call,
2057 lvalue_or_else, mark_addressable): Likewise.
2058
2059 * expr.h (expand_tree_builtin): Likewise.
2060
33d3b05b
MM		 20612001-04-12 Mark Mitchell <mark@codesourcery.com>
2062
2063 * invoke.texi: Document --param max-gcse-memory.
2064
6c889b67
KG		 20652001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2066
2067 * configure.in (errno): Check for declaration.
2068 * configure, config.in: Regenerated.
2069
2070 * system.h (errno): Only declare if not already done.
2071
c033e268
AO		 20722001-04-12 Alexandre Oliva <aoliva@redhat.com>
2073
2074 * recog.c (general_operand, immediate_operand,
2075 nonmemory_operand): Require CONST_INTs to be sign-extended
2076 values for their modes.
2077
69107307
AO		 20782001-04-12 Alexandre Oliva <aoliva@redhat.com>
2079
2080 * expmed.c (store_bit_field): Truncate CONST_INTs.
2081 (expand_mult_highpart, expand_divmod): Likewise.
2082 * expr.c (convert_modes, store_field): Likewise.
2083 * integrate.c (expand_inline_function): Use promote_mode() to
2084 determine whether to convert_modes() an argument as signed
2085 or unsigned.
2086 * optabs.c (expand_binop): Get CONST_INT operands
2087 sign-extended for their appropriate modes.
2088 * stmt.c (emit_case_nodes): Convert node values to the
2089 appropriate mode.
2090 (expand_end_case): Convert minval and range to the appropriate
2091 mode.
2092 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2093 the iteration variable.
2094 * varasm.c (immed_double_const): Don't require words to be
2095 narrower than host wide ints to properly sign-extend
2096 CONST_INTs.
2097
001643af
KK		 20982001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2099
2100 * sh.md (builtin_setjmp_receiver): New expander.
2101
38886f37
AO		 21022001-04-12 David Edelsohn <dje@watson.ibm.com>
2103
2104 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2105 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2106 for generating CONST_INT and CONST_DOUBLE.
2107
21082001-04-12 Alexandre Oliva <aoliva@redhat.com>
2109
2110 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2111 already sign-extended.
2112 (rs6000_emit_prologue): Make register iterator signed.
2113 (rs6000_emit_epilogue): Likewise.
2114 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2115 and low.
2116 (movsf split, movdf split): Sign-extend CONST_INTs.
2117 (movdi splits): Likewise.
2118
ccc27eab
KC		 21192001-04-12 Kelley Cook <kelley.cook@home.com>
2120
2121 * config-lang.in (lang_dirs): Add in zlib.
2122
383252a7
AO		 21232001-04-11 Alexandre Oliva <aoliva@redhat.com>
2124
2125 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2126 operands that make it to RTL.
2127
ee890fe2
SS		 21282001-04-11 Stan Shebs <shebs@apple.com>
2129
2130 Add Darwin (Mac OS X kernel) native support.
2131 * config.gcc (powerpc-*-darwin*): Add native bits.
2132 * config/darwin.c: New file, generic Darwin support functions.
2133 * config/darwin.h: New file, generic Darwin definitions.
2134 * config/darwin-protos.h: New file, generic Darwin prototypes.
2135 * rs6000/darwin.h: New file, Darwin for PowerPC.
2136 * rs6000/t-darwin: New file, Darwin makefile fragment.
2137 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2138 (TARGET_MACHO): Ditto.
2139 (rs6000_abi): Add ABI_DARWIN.
2140 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2141 (RS6000_SAVE_AREA): Ditto.
2142 (FP_ARG_MAX_REG): Ditto.
2143 (RETURN_ADDRESS_OFFSET): Ditto.
2144 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2145 cases.
2146 (rs6000_emit_move): Add ABI_DARWIN cases.
2147 (print_operand): Ditto.
2148 (first_reg_to_save): Ditto.
2149 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2150 (debug_stack_info): Ditto.
2151 (rs6000_emit_prologue): Ditto.
2152 (rs6000_emit_epilogue): Ditto.
2153 (output_profiler_hook): Ditto.
2154 (output_function_profiler): Ditto.
2155 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2156 (output_mi_thunk): Add TARGET_MACHO case.
2157 (add_compiler_stub): Ditto.
2158 (output_compiler_stub): Ditto.
2159 (no_previous_def): Ditto.
2160 (output_call): Ditto.
2161 (machopic_output_stub): Ditto.
2162 (rs6000_machopic_legitimize_pic_address): Ditto.
2163 (toc_section): Ditto.
2164 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2165 (macho_high): Ditto.
2166 (macho_low): Ditto.
2167 (movsi_low): Ditto.
2168 (load_macho_picbase): Ditto.
2169 (call): Add TARGET_MACHO case to modify function.
2170 (call_value): Ditto.
2171 (call_nonlocal_sysv): Add ABI_DARWIN case.
2172 (call_value_nonlocal_sysv): Ditto.
2173 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2174 Add prototype.
2175 (machopic_output_stub): Ditto.
2176 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2177
5101b304
MM		 21782001-04-11 Mark Mitchell <mark@codesourcery.com>
2179
2180 * dwarf2out.c (modified_type_die): Don't create new types here.
2181 * tree.h (get_qualified_type): New function.
2182 (build_qualified_type): Adjust comment.
2183 * tree.c (get_qualified_type): New function.
2184 (build_qualified_type): Use it.
2185
c8abc684
KG		 21862001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2187
2188 * cpp.texi (-Wtraditional): Update description.
2189
2190 * invoke.texi (-Wtraditional): Likewise.
2191
93dd6255
JW		 21922001-04-11 Jim Wilson <wilson@redhat.com>
2193
2194 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2195 requires more than 64 bits of alignment.
2196
2f5bf149
NB		 21972001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2198
2199 * cpplib.c (do_line): Sanity check iff enable checking.
2200
04f378ce
RH		 22012001-04-11 Richard Henderson <rth@redhat.com>
2202
2203 * Makefile.in (insn-recog.o): Depend on toplev.h.
2204 (insn-emit.o, doloop.o): Likewise.
2205 * genrecog.c, genemit.c: Include toplev.h in generated file.
2206 * doloop.c: Include toplev.h.
2207
f1fa37ff
MM		 22082001-04-11 Mark Mitchell <mark@codesourcery.com>
2209
2210 * Makefile.in (gcse.o): Depend on params.h.
2211 * gcse.c: Include params.h.
2212 (gcse_main): Don't do GCSE if doing so will take inordinate
2213 amounts of memory.
2214 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2215 * params.h (MAX_GCSE_MEMORY): New macro.
2216
f3a8030a
KG		 22172001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2218
2219 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2220
2221 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2222
2ef56a41
KG		 22232001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2224
68896bf9
KG		 2225 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2226
2227 * real.h (ereal_atof, real_value_truncate, target_isnan,
2228 target_isinf, target_negative, assemble_real, debug_real): Delete
2229 redundant prototypes.
2230
d6684bc8
KG		 2231 * Makefile.in (ifcvt.o): Depend on toplev.h.
2232
2233 * c-semantics.c: Include expr.h.
2234
2235 * ifcvt.c: Include toplev.h.
2236
2237 * expr.h (rtx_equal_p): Delete prototype.
2238
2239 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2240 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2241 eliminate_constant_term, expand_complex_abs, find_single_use,
2242 make_tree, init_expr_once, init_optabs, supports_one_only):
2243 Likewise.
ad087b92 2244
d6684bc8
KG		 2245 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2246 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2247 expand_assignment, store_expr, emit_line_note_after,
2248 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
ad087b92 2249
d6684bc8
KG		 2250 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2251
2ef56a41
KG		 2252 * sparc-protos.h: Delete redundant prototypes.
2253
550d7942
VM		 22542001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2255
2256 * reload.c (push_reload): Add condition missed in SUBREG byte
2257 offset patch.
2258
8fe879c7
RO		 2259Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2260
2261 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2262
037f20f1
JH		 2263Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2264
2265 * i386.md (floatsisf_sse): Fix output template
2266 * i386.c (ix86_expand_fp_movcc)
2267
2268 * reg-stack.c (emit_pop_insn): Handle complex modes.
2269 (move_for_stack_reg): Emit proper move mode.
2270 (subst_stack_regs_pat): Handle complex modes.
2271
01ef6563
JJ		 22722001-04-11 Jakub Jelinek <jakub@redhat.com>
2273
2274 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2275
706701af
RH		 22762001-04-10 Richard Henderson <rth@redhat.com>
2277
2278 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2279 (__pure_virtual, __terminate, __terminate_set_func,
2280 __default_terminate, __throw_type_match, __empty,
2281 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2282 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2283 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2284 Remove prototypes of deleted functions.
2285
03829ad2
KG		 22862001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287
2288 * c-typeck.c (convert_arguments): -Wtraditional now activates
2289 -Wconversion warnings, except for changes in signed-ness.
2290 Detect complex<->int & int<->complex conversions as well.
2291
2292 * invoke.texi (-Wtraditional): Document it.
2293
c57718d3
RK		 2294Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2295
2296 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2297 * flow.c (set_block_for_new_insns): Remove needless cast and
2298 properly check for unset block number.
2299
55107ee3
AM		 23002001-04-10 Andrew MacLeod <amacleod@redhat.com>
2301
ad087b92 2302 * function.c (purge_single_hard_subreg_set): Only check REGNO if
55107ee3
AM		 2303 the subreg was a hard register. Pseudos are left as subregs.
2304
6fa0f379 23052001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
fa9518de
FS		 2306
2307 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2308 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2309 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
ad087b92 2310 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
fa9518de
FS		 2311 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2312
d4f33f6c
BT		 23132001-04-09 Bo Thorsen <bo@suse.co.uk>
2314
2315 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2316
5b3ad99f
AM		 23172001-04-09 Andrew MacLeod <amacleod@redhat.com>
2318
ad087b92 2319 * output.h (set_block_num): Missed it earlier, remove deprecated
5b3ad99f
AM		 2320 prototype.
2321
e2d2ed72
AM		 23222001-04-09 Andrew MacLeod <amacleod@redhat.com>
2323
2324 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2325 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2326 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2327 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2328 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
ad087b92 2329 (expr_killed_p): Change bb parameter from int to basic_block, pass
e2d2ed72
AM		 2330 basic_blocks instead of ints as parameters.
2331 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
ad087b92 2332 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
e2d2ed72 2333 from int to basic_block, pass basic_blocks instead of ints as parms.
ad087b92 2334 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
e2d2ed72
AM		 2335 parameter from int to basic_block, pass basic_blocks instead of ints.
2336 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
ad087b92 2337 (insert_insn_end_bb): Change bb parameter from int to basic_block,
e2d2ed72 2338 pass basic_blocks instead of ints.
ad087b92 2339 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
e2d2ed72
AM		 2340 basic_blocks instead of ints as parameters.
2341 (pre_delete): Pass basic_blocks instead of ints as parameters.
ad087b92 2342 (hoist_expr_reaches_here_p): Change bb parameter from int to
e2d2ed72
AM		 2343 basic_block, pass basic_blocks instead of ints.
2344 (hoist_code): Pass basic_blocks instead of ints as parameters.
ad087b92 2345 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
e2d2ed72
AM		 2346 Change bb parameter from int to basic_block.
2347 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
ad087b92 2348 (insert_insn_start_bb): Change bb parameter from int to basic_block,
e2d2ed72
AM		 2349 pass basic_blocks instead of ints.
2350 (insert_store): Pass basic_blocks instead of ints as parameters.
ad087b92 2351 (replace_store_insn, delete_store): Change bb parameter from int to
e2d2ed72
AM		 2352 basic_block, pass basic_blocks instead of ints.
2353 (store_motion): Pass basic_blocks instead of ints as parameters.
2354
ccbaf064
AM		 23552001-04-09 Andrew MacLeod <amacleod@redhat.com>
2356
2357 * basic-block.h (set_new_block_for_insns): New Prototype.
2358 (set_block_num): Delete prototype.
2359 * flow.c (set_block_num): Remove obsolete function.
2360 (set_block_for_new_insns): Set BB for single or multiple insns.
2361 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
ad087b92 2362 (process_insn_end_bb): Use set_block_for_new_insns or
ccbaf064
AM		 2363 set_block_for_insn instead of set_block_num.
2364 (pre_insert_copy_insn): Use set_block_for_new_insns.
2365 (update_ld_motion_stores): Use set_block_for_new_insns.
2366 (insert_insn_start_bb): Use set_block_for_new_insns.
2367 (replace_store_insn): Use set_block_for_new_insns.
2368
a13d4ebf
AM		 23692001-04-09 Andrew MacLeod <amacleod@redhat.com>
2370 Jeff Law <law@redhat.com>
2371
2372 * alias.c (get_addr): Externalize.
2373 (canon_true_dependence): New function. Behaves like true_dependance
2374 except it already assumes a MEM has been canonicalized.
2375 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2376 * gcse.c (struct ls_expr): Add load/store expressions structure.
2377 (modify_mem_list, canon_modify_mem_list): New variable.
ad087b92 2378 (gcse_main): Initialize & finalize alias analysis. Use enhanced
a13d4ebf
AM		 2379 load motion and store motion if requested.
2380 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2381 (free_gcse_mem): Free the modify_mem_list array.
2382 (oprs_unchanged_p): Use load_killed_in_block_p.
2383 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
ad087b92 2384 (mems_conflict_for_gcse_p): New function. Don't kill loads
a13d4ebf
AM		 2385 with stores to themselves if its in the load/store expression list.
2386 (load_killed_in_block_p): New function.
2387 (canon_list_insert): New Function.
2388 (record_last_mem_set_info): Keep a list of all instructions which
2389 can modify memory for each basic block.
2390 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2391 (oprs_not_set_p): Use load_killed_in_block_p.
2392 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2393 (expr_killed_p): Use load_killed_in_block_p.
2394 (compute_transp): Do not pessimize memory references.
2395 (pre_edge_insert): Update stores for a load motion expression.
2396 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2397 (ldst_entry): Find or create a ldst_expr structure.
2398 (free_ldst_entry): Free memory for an individual item.
2399 (free_ldst_mems): Free entire load/store expression list.
2400 (print_ldst_list): Print debug info.
2401 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2402 (enumerate_ldsts): Assign integer values to each entry in list.
2403 (first_ls_expr): First expression in the list.
2404 (next_ls_expr): Next expression in the list.
2405 (simple_mem): Check if expression qualifies for ld/st expression list.
2406 (invalidate_any_buried_refs): Remove from expression list if its
2407 used in some other way we dont understand.
2408 (compute_ld_motion_mems): Find all potential enhanced load motion
2409 expression.
2410 (trim_ld_motion_mems): Remove any expressions which are invalid.
2411 (update_ld_motion_stores): Copy store values to registers for loads
2412 which have been moved.
2413 (regvec, st_antloc, num_store): New global statics.
2414 (reg_set_info): Marks registers as set.
2415 (store_ops_ok): Verfies registers expressions are valid in a block.
2416 (find_moveable_store): Look for moveable stores in a pattern.
2417 (compute_store_table): Find stores in a function worth moving, maybe.
2418 (load_kills_store): Check dependance of a load and store.
2419 (find_loads): Find any loads in a pattern.
2420 (store_killed_in_insn): Check if a store is killed in an insn.
2421 (store_killed_after): Check is store killed after an insn in a block.
2422 (store_killed_before): Check is store killed before an insn in a block.
2423 (build_store_vectors): Generate the antic and avail vectors.
2424 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2425 (insert_store): Add a store to an edge.
2426 (replace_store_insn): Replace a store with a SET insn.
2427 (delete_store): Delete a store insn.
2428 (free_store_memory): Free memory.
2429 (store_motion): Perform store motion.
2430 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2431 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2432 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2433 (f_options): Add gcse-lm and gcse-sm.
2434
92d0fb09
JH		 2435Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2436
2437 * i386.c (expand_fp_movcc): Fix condition reversal code.
2438
2439 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2440 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2441 (CLASS_MAX_NREGS): Use it.
2442
2443 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2444 handle properly complex values.
2445 (CLASS_MAX_NREGS): Likewise; update comment.
2446
68340ae9
BS		 24472001-04-05 Bernd Schmidt <bernds@redhat.com>
2448
2449 * ia64.c (ia64_flag_schedule_insns2): New variable.
2450 (ia64_override_options): Initialize it. Clear
2451 flag_schedule_insns_after_reload.
2452 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2453
46ed7963
JH		 2454Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2455
2456 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2457 Do not require source to match destination anymore;
2458 Add abort to the nontrivial cases that should be handled by split.
2459 (fix_trunc?fdi): Add SSE case for x86_64.
2460 (floatdi?f): Likewise.
2461 (floatdi?f_sse): New.
2462 (fix_trunc?fdi_sse): New.
2463
04448128
RS		 24642001-04-09 Richard Sandiford <rsandifo@redhat.com>
2465
2466 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2467 (DEBUG_ARANGES_END_LABEL): Ditto.
2468 (dwarfout_init): Generate length and version fields at the start
2469 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2470 after the length field.
2471 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2472 the .debug_aranges info.
2473
39d04363
JH		 2474Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2475
2476 * i386.c (call, call_value): Make sure that resulting call_insn
2477 does have proper second operand.
2478
ab762be5
CF		 2479Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2480
2481 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2482 function. Remove include of sys/cygwin.h.
2483
9a33d505
CF		 2484Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2485
2486 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2487 (CPP_SPEC): Always search */include/w32api for header files.
2488 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2489 (LINK_SPEC): Add "cyg" to the library search prefixes.
2490
d4206a10
PB		 24912001-04-08 Philip Blundell <philb@gnu.org>
2492
2493 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2494
2f878973
NB		 24952001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2496
2497 * cpperror.c (print_location): Don't special case <stdin>.
2498 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2499 WARNING, but we don't check if we're in system headers.
2500 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2501 * cpplib.c (do_warning): Warn in system headers.
2502
f0225099
MK		 25032001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2504
2505 * mbchar.c: Include config.h first.
2506
b6d7afec
ZW		 25072001-04-07 Zack Weinberg <zackw@stanford.edu>
2508
2509 * config.gcc: Set default for xmake_file at top, not bottom.
2510 Change places that set xmake_file to "none" to set to the
2511 empty string instead, or remove them entirely if there is no
2512 default xmake_file for this cpu_type. Remove references to
2513 deleted files.
2514
2515 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2516 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2517 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2518 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2519 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2520 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2521 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2522 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2523 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2524 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2525 Delete.
2526
2527 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2528 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2529 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2530 config/mips/x-sysv, config/rs6000/x-aix31:
2531 Just set CLIB to -lld or -lmld, as appropriate.
2532
2533 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2534 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2535 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2536 config/mips/x-iris, config/pa/x-pa:
2537 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2538 OTHER_FIXINCLUDES_DIRS.
2539
2540 * config/i386/x-djgpp: Don't set LN or LN_S.
2541 * config/m88k/x-dolph: Don't define __m88k__.
2542 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2543 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2544 * config/i860/fx2800.h: No need to #undef SVR4.
2545
2546 38 x-host fragments remain, 2 x-cpu.
2547
d0550d07
HB		 25482001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2549
2550 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2551
62fce11f
NB		 25522001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2553
2554 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2555
f9200da2
NB		 25562001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2557
2558 * configure.in: Add check for lstat.
2559 * configure, config.in: Regenerate.
2560 * cppinit.c (append_include_chain): Make empty path ".".
b6d7afec
ZW		 2561 * cpplib.c (do_line): Don't simplify #line paths.
2562 * cppfiles.c (remove_component_p): New function.
f9200da2
NB		 2563 (find_or_create_entry): Acknowledge stat () errors during
2564 path simplification.
2565 (handle_missing_header): Don't simplify paths.
b6d7afec
ZW		 2566 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2567 the empty path untouched. Don't leave a trailing '/'.
f9200da2 2568
98c2359b 25692001-04-06 Benjamin Kosnik <bkoz@redhat.com>
b6d7afec 2570
98c2359b
BK		 2571 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2572 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2573
7c092714
NB		 25742001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2575
2576 * cppfiles.c (open_file): Fail directories silently, but
2577 with an errno of NOENT set.
2578 (read_include_file): Move the common exit code to the sole
2579 caller. Return an int indicating success or failure. Let
2580 open_file handle directories.
2581 (stack_include_file): If read_include_file fails,
2582 push a "null" buffer.
2583
c39ada04
DD		 25842001-04-05 DJ Delorie <dj@redhat.com>
2585
2586 * function.h (virtuals_instantiated): Declare.
2587 * function.c: (virtuals_instantiated): Make global.
2588 * calls.c (emit_library_call_value_1): Use
2589 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2590 Otherwise, use the stack pointer directly.
2591
0ed08620
JH		 2592Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2593
2594 * i386.c (x86_initialize_trampoline): New global function.
2595 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2596 (INITIALIZE_TRAMPOLINE): Move offline.
2597 * i386-protos.h (x86_initialize_trampoline): Declare.
2598
ac62a60e
JH		 2599Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2600
2601 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2602 (lea_0): Rename to lea_1.
2603 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2604 (lea_general_?): Allow SImodes on TARGET_64BIT
2605 (lea_general_?_zext): New patterns.
2606 (call_1, call_1_rex64): Fix.
2607
b47b4f21
JH		 2608Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2609
2610 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2611
32ee7d1d
JH		 2612Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2613
2614 * i386.c (function_arg): Return constm1_rtx for last argument.
2615 (ix86_expand_prologue): Update gen_call calls.
2616 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2617 * i386.md (call_pop): Likewise.
2618 (call): Second operand is VOIDmode.
2619 (call_0): Likewise; Support 64bits.
2620 (call_exp): New expander.
2621 (call_1): Get to the sync.
2622 (call_1_exp): New pattern.
2623 (call_value): Support 64bit.
2624 (call_value_exp): New pattern.
2625 (untyped_call): Update gen_call call.
2626 (call_value_pop): Disable for 64bit.
2627 (call_value_0_rex64): New pattern.
2628 (call_value_1_rex64): Likewise.
2629
60e589ef
BT		 26302001-04-05 Bo Thorsen <bo@suse.de>
2631
2632 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2633
93b23859
R		 2634Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2635
b6d7afec 2636 * i386.md (*andsi_1+3): If used after reload, make sure the operand
93b23859
R		 2637 satisfies ANY_QI_REG_P.
2638
0c23cca3
BS		 26392001-04-05 Bernd Schmidt <bernds@redhat.com>
2640
1032c357
BS		 2641 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2642 ASM_OPERAND.
2643
0c23cca3
BS		 2644 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2645 change.
2646
4dc0535b
ZW		 26472001-04-04 Zack Weinberg <zackw@stanford.edu>
2648
2649 * config.gcc: Remove default for xm_file. Clean up local
2650 machine type handling. Remove settings of xm_file to
2651 something that doesn't exist. In the big switch, set xm_file,
2652 don't append to it (the value before the big switch is always
2653 null). Don't force build_xm_file or host_xm_file to have a value.
60e589ef
BT		 2654 * configure.in: Remove default for xm_file. Do not special
2655 case $cpu/xm-$cpu.h not existing.
4dc0535b
ZW		 2656 * configure: Regenerate.
2657
b0835578
DN		 26582001-04-04 Diego Novillo <dnovillo@redhat.com>
2659
2660 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2661 when folding integer division and modulo operations.
2662
12f0b96b
AM		 26632001-04-04 Andrew MacLeod <amacleod@redhat.com>
2664
60e589ef 2665 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
12f0b96b 2666 instead of DWARF2_ADDR_SIZE for EH addresses.
60e589ef 2667 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
12f0b96b
AM		 2668 EH addresses.
2669
1b4356ed
RH		 26702001-04-04 Richard Henderson <rth@redhat.com>
2671
2672 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2673 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2674 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2675
3d399d67
RH		 26762001-04-04 Richard Henderson <rth@redhat.com>
2677
2678 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2679 * configure: Rebuilt.
2680
8e184d9c
JJ		 26812001-04-04 Jakub Jelinek <jakub@redhat.com>
2682
2683 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2684 push insns to delete to it instead of deleting them.
2685 (delete_null_pointer_checks): Delete insns from delete_list after
2686 all delete_null_pointer_checks_1 passes are done.
2687
dd7fc59c
RH		 26882001-04-04 Richard Henderson <rth@redhat.com>
2689
2690 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2691 * configure: Rebuilt.
2692
c3fa1afd
ZW		 26932001-04-04 Zack Weinberg <zackw@stanford.edu>
2694
2695 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2696 * config/romp/xm-romp.h: Delete.
2697
79ba58ef
BS		 26982001-04-04 Bernd Schmidt <bernds@redhat.com>
2699
2700 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2701 change.
2702
e5bef2e4
HB		 27032001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2704
2705 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2706 all labels present in rtx.
2707 (try_split) Call new function for all split insns.
2708
347f3440
JJ		 27092001-04-04 Jakub Jelinek <jakub@redhat.com>
2710
2711 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2712 sure the change won't be validated.
2713
7142e318
JW		 2714Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2715
2716 * rtl.h (set_noop_p): Declare.
2717 * flow.c (set_noop_p): Move from here ...
2718 * rtlanal.c (set_noop_p): ... to here and enhance.
2719 * cse.c (delete_trivially_dead_insns): Use it.
2720 * gcse.c (hash_scan_set): Likewise.
2721 * jump.c (delete_noop_moves): Likewise.
2722 * recog.c (split_all_insns): Likewise.
2723
19ec6a36
AM		 27242001-04-04 Alan Modra <alan@linuxcare.com.au>
2725
2726 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2727 stack pointer via a LO_SUM. Ditto for setting a temp register
2728 used to save to the stack. Set cfa_temp when setting fp, and
2729 allow matches to cfa_temp in addition to cfa_store when saving
2730 regs. Handle POST_INC and LO_SUM register stores. Document the
2731 changes and errors in rule 12 doco.
2732
2733 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2734 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2735 (load_reg): Move closer to epilogue code.
2736 (DO_FRAME_NOTES): Define to control the following..
2737 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2738 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2739 notes as necessary.
2740 (hppa_expand_epilogue): Likewise.
2741
78e766a0
RH		 27422001-04-03 Richard Henderson <rth@redhat.com>
2743
2744 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2745 * configure: Rebuild.
2746
9555a122
RH		 27472001-04-03 Richard Henderson <rth@redhat.com>
2748
2749 * rtl.h (LCT_THROW): New.
2750 * calls.c (emit_library_call_value_1): Handle it.
2751 * except.c (connect_post_landing_pads): Use it.
2752
d02af173
ZW		 27532001-04-03 Zack Weinberg <zackw@stanford.edu>
2754
2755 * gansidecl.h: Delete file.
2756 * configure.in: Change all refs to gansidecl.h to use
2757 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2758 lives.
2759 * configure: Regenerate.
2760
2761 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2762 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2763 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2764 Don't include gansidecl.h.
2765 * intl.c, main.c, version.c, fixinc/fixlib.h,
2766 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2767 gansidecl.h.
2768
898d374d
JH		 2769Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2770
2771 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2772 Update for 64bit.
2773
547a559d
ZW		 27742001-04-03 Zack Weinberg <zackw@stanford.edu>
2775
2776 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2777 config/i386/xm-next.h, config/i386/xm-sco.h,
2778 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2779 config/m88k/xm-m88k.h: Delete.
2780
2781 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2782 * config/romp/xm-romp.h: Don't define bcopy.
2783 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2784 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2785
2786 * config.gcc: Remove references to deleted files.
2787
2788 14 xm-host.h remain, 1 xm-cpu.h.
2789
ddef6bc7
JJ		 27902001-04-03 Jakub Jelinek <jakub@redhat.com>
2791 David S. Miller <davem@pierdol.cobaltmicro.com>
d02af173 2792 Andrew MacLeod <amacleod@redhat.com>
ddef6bc7
JJ		 2793
2794 Use byte offsets in SUBREGs instead of words.
2795
2796 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2797 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2798 to pass new argument.
2799 (add_stored_regs): Use subreg_regno_offset function.
2800 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2801 into account.
2802 (precompute_arguments): Use gen_lowpart_SUBREG.
2803 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2804 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2805 (simplify_set): Rework to use SUBREG_BYTE.
2806 (expand_field_assignment): Use SUBREG_BYTE.
2807 (make_extraction): Use SUBREG_BYTE.
2808 (if_then_else_cond): Use SUBREG_BYTE.
2809 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2810 (gen_lowpart_for_combine): Compute full byte offset.
2811 * cse.c (mention_regs): Use SUBREG_BYTE.
2812 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2813 (canon_hash): Use SUBREG_BYTE.
2814 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2815 (gen_lowpart_if_possible): Formatting.
2816 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2817 correctly.
2818 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2819 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2820 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2821 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2822 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2823 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2824 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2825 certain invariants about SUBREGs the compiler creates.
2826 (gen_lowpart_SUBREG): New function.
2827 (subreg_hard_regno): New function to get the final register number.
2828 (gen_lowpart_common): Use SUBREG_BYTE.
2829 (gen_imagpart): Spacing nits.
2830 (subreg_realpart_p): Use SUBREG_BYTE.
2831 (gen_highpart): Use SUBREG_BYTE.
2832 (subreg_lowpart_p): Always compute endian corrected goal offset,
2833 even at the byte level, then compare against that.
2834 (constant_subword): New function, pulled out all constant cases
2835 from operand_subword and changed second argument name to offset.
2836 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
d02af173 2837 and call constant_subword to do the work. Return const0_rtx if
ddef6bc7
JJ		 2838 looking for a word outside of OP.
2839 (operand_subword_force): Change second arg name to offset.
2840 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2841 (store_split_bit_field): Use SUBREG_BYTE.
2842 (extract_bit_field): Use SUBREG_BYTE.
2843 (extract_split_bit_field): Use SUBREG_BYTE.
2844 (expand_shift): Use SUBREG_BYTE.
d02af173 2845 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
ddef6bc7
JJ		 2846 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2847 * flow.c (set_noop_p): Use SUBREG_BYTE.
2848 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2849 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2850 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2851 correction code.
2852 (optimize_bit_field): Use SUBREG_BYTE.
2853 (purge_addressof_1): Use SUBREG_BYTE.
2854 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
d02af173 2855 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
ddef6bc7
JJ		 2856 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2857 * gengenrtl.c (special_rtx): Add SUBREG.
2858 * global.c (mark_reg_store): Use SUBREG_BYTE.
2859 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2860 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2861 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2862 final byte offset is congruent to subreg's mode size.
2863 (subst_constants): Use SUBREG_BYTE.
2864 (mark_stores): Use subreg_regno_offset function.
2865 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2866 function and SUBREG_BYTE.
2867 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2868 (reg_is_born): Use subreg_hard_regno.
2869 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
d02af173 2870 endian correction code. Don't combine subregs unless resulting
ddef6bc7
JJ		 2871 offset aligns with type. Fix subreg constant extraction for DImode.
2872 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2873 (general_operand): Remove dead mode_altering_drug code.
2874 (indirect_operand): Use SUBREG_BYTE.
2875 (constrain_operands): Use subreg_regno_offset function.
2876 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2877 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2878 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2879 * regs.h (REG_SIZE): Allow target to override.
2880 (REGMODE_NATURAL_SIZE): New macro which target can override.
d02af173 2881 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
ddef6bc7
JJ		 2882 on the entire subreg rtx.
2883 (push_reload): Use SUBREG_BYTE in comments and code.
2884 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2885 for hard registers inside subregs.
2886 (operands_match_p): Use subreg_regno_offset.
d02af173 2887 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
ddef6bc7
JJ		 2888 containing hard regs.
2889 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2890 corrections when fixing up MEM subregs.
2891 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2892 subreg_regno_offset where appropriate.
2893 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2894 byte endian corrections when fixing up MEM subregs.
2895 (subst_reloads): When combining two subregs, make sure final
2896 offset is congruent to subreg's mode size.
2897 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2898 (refers_to_regno_for_reload_p): Use subreg_regno.
2899 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2900 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2901 correction code for memory subreg fixups.
2902 (forget_old_reload_1): Use subreg_regno_offset.
2903 (choose_reload_regs): Use subreg_regno.
2904 (emit_input_reload_insns): Use SUBREG_BYTE.
2905 (reload_combine_note_store): Use subreg_regno_offset.
2906 (move2add_note_store): Use subreg_regno_offset.
d02af173 2907 * resource.c (update_live_status, mark_referenced_resources): Use
ddef6bc7
JJ		 2908 subreg_regno function.
2909 (mark_set_resources): Use subreg_regno function.
2910 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2911 (subreg_regno_offset, subreg_regno): Define prototypes.
2912 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2913 (gen_lowpart_SUBREG): Add prototype.
2914 * rtl.texi (subreg): Update to reflect new byte offset representation.
2915 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2916 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2917 (reg_overlap_mentioned_p): Use subreg_regno.
2918 (replace_regs); Make sure final offset of combined subreg is
2919 congruent to size of subreg's mode.
2920 (subreg_regno_offset): New function.
2921 (subreg_regno): New function.
2922 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2923 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2924 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2925 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2926 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2927 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2928 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2929 (print_operand): Use SUBREG_BYTE.
2930 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2931 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2932 (arm_reload_out_hi): Use SUBREG_BYTE.
2933 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2934 instead of SUBREG_WORD.
2935 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2936 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2937 SUBREG creation to use byte offset.
2938 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2939 inverted load insns): Fix explicit rtl subregs to use byte
2940 offsets.
2941 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2942 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2943 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2944 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2945 to use byte offsets.
2946 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2947 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2948 offsets, also make sure it is congruent to SUBREG's mode size.
2949 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2950 unnamed ldob insn): Generate SUBREGs with byte offset.
2951 (zero_extendqihi2): SUBREG's are byte offsets.
2952 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2953 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2954 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2955 zero-extendqisi2): Generate SUBREGs with byte offset.
2956 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2957 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2958 subregs in rtl to use byte offsets.
2959 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2960 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2961 (mips_move_2words): Use subreg_regno_offset.
2962 (mips_secondary_reload_class): Use subreg_regno_offset.
2963 * config/mips/mips.md (DImode plus, minus, move, and logical op
2964 splits): Fixup explicit subregs in rtl to use byte offsets.
2965 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2966 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2967 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2968 rtl to use byte offsets.
2969 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2970 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2971 subregs to use byte offsets.
2972 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2973 Fixup explicit subregs in rtl to use byte offsets.
2974 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2975 and remove byte endian correction code.
2976 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2977 (gen_ashift_hi): Use SUBREG_BYTE.
2978 (regs_used): Use subreg_regno_offset.
2979 (machine_dependent_reorg): Use subreg_regno_offset.
2980 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2981 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2982 (movdf_i4): Subregs are byte offsets now.
2983 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2984 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2985 (REGMODE_NATURAL_SIZE): Override.
2986 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2987 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2988 with byte offsets.
2989 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2990 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2991 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2992 it is congruent to SUBREG's mode size.
2993 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2994 offsets.
d02af173
ZW		 2995 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2996 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
ddef6bc7
JJ		 2997 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2998 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
d02af173 2999 * config/v850/v850.c (print_operand, output_move_double): Use
ddef6bc7
JJ		 3000 subreg_regno function.
3001
ef14c259
AO		 30022001-04-03 Alexandre Oliva <aoliva@redhat.com>
3003
924c96eb
AO		 3004 * configure.in (target_subdir): Use target_alias, not target.
3005 * configure: Rebuilt.
3006
ef14c259
AO		 3007 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3008 other way round.
3009 * config/sh/crti.asm: Fix typos in comments.
3010
a7721dc0
AM		 30112001-04-03 Alan Modra <alan@linuxcare.com.au>
3012
3013 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3014 TARGET_FAST_INDIRECT_CALLS.
3015 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3016 -fPIC. Don't warn.
3017 (return_addr_rtx): Short circuit export stub matching when
3018 TARGET_NO_SPACE_REGS.
3019 (output_millicode_call): For out of range calls, make -fPIC
3020 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3021 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3022 * pa.md: Modify length attr calculation of all millicode insns to
3023 match above.
3024
fbe42b1b
GK		 30252001-04-02 Geoffrey Keating <geoffk@redhat.com>
3026
3027 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3028 Require at least 2.11 in the version test. Specifically check
3029 for and reject GAS version 2.10.90.
3030 * configure: regenerate.
3031
1c7a8112
AM		 30322001-04-03 Alan Modra <alan@linuxcare.com.au>
3033
a7721dc0 3034 * pa.c (override_options): Remove PIC profiling warning.
1c7a8112
AM		 3035 (hp_profile_labelno): Delete.
3036 (hp_profile_label_rtx): Delete.
3037 (hp_profile_label_name): Delete.
3038 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3039 (output_function_prologue): Remove profiling code and all tests on
3040 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3041 merge_sp_adjust_with_store can work for PIC and profiling.
3042 (hppa_expand_epilogue): Remove profile_flag test.
3043 (hppa_can_use_return_insn_p): Likewise.
3044 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3045 cater for PROFILE_HOOK.
3046 (hppa_profile_hook): New function.
a7721dc0 3047 * pa.h (FUNCTION_PROFILER): Now does nothing.
1c7a8112
AM		 3048 (PROFILE_HOOK): Define.
3049 (hppa_profile_hook): Declare.
3050 (PROFILE_BEFORE_PROLOGUE): Delete.
3051 (ASM_OUTPUT_REG_PUSH): Delete.
3052 (ASM_OUTPUT_REG_POP): Delete.
a7721dc0
AM		 3053 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3054 r24. Accept function name operand, and use this and a locally
3055 generated label to calculate pc-rel offset to func start.
1c7a8112 3056
2a3e8203
KG		 30572001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3058
3059 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3060 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3061 $(SYSTEM_H).
3062
9ae21d2a
AM		 30632001-04-03 Alan Modra <alan@linuxcare.com.au>
3064
3065 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3066 LO_SUM cases to where they belong.
3067
847abd1f
RH		 30682001-04-02 Richard Henderson <rth@redhat.com>
3069
3070 * except.h (lang_eh_type_covers): Mark extern.
3071 (lang_eh_runtime_type): Likewise.
3072
0313e85b
ZW		 30732001-04-02 Zack Weinberg <zackw@stanford.edu>
3074
3075 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3076 gengenrtl.c: Wrap generated header in multiple-include guard.
3077 Improve error checking.
3078
79cb7361
KG		 30792001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3080
3081 * configure.in: Don't check for putenv.
3082 * configure: Regenerate.
3083 * gcc.c (putenv): Don't define.
3084 * vax/xm-vms.h: Handle putenv.
3085
32ff70d2
JJ		 30862001-04-02 Jakub Jelinek <jakub@redhat.com>
3087
3088 * ifcvt.c (noce_emit_move_insn): New.
3089 (noce_try_store_flag, noce_try_store_flag_constants,
3090 noce_try_store_flag_inc, noce_try_store_flag_mask,
3091 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3092 noce_try_abs): Use it.
3093 (noce_process_if_block): Likewise.
3094 For STRICT_LOW_PART, take mode from its SUBREG.
3095
d791ea1e
JJ		 30962001-04-02 Jakub Jelinek <jakub@redhat.com>
3097
3098 * fold-const.c (fold): Before optimizing unsigned comparison with
3099 0x7fffffffU, make sure arg0 is integral type.
3100
c6955d85
JM		 31012001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3102
3103 * c-tree.texi: Document representation of wide strings.
3104
efc45658
RH		 31052001-04-01 Richard Henderson <rth@redhat.com>
3106
3107 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3108
e74061a9
JH		 3109Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3110
3111 * i386.md: remove obsoleted comments.
3112 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3113 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3114 fix output template.
3115
7656d28a
MM		 31162001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3117
3118 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3119
1757e774
BS		 31202001-03-30 Bernd Schmidt <bernds@redhat.com>
3121
3122 * loop.c (load_mems): When generating a load from a pseudo, update
3123 REGNO_LAST_UID.
3124
886cbb88
JH		 3125Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3126
3127 * i386.c (ix86_split_long_move): Use change address to compensate
3128 stack pointer change in push instruction.
3129
f021d6fc
JH		 3130Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3131
3132 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3133 instead of rtx_equal_p; fix the output template.
3134
885a70fd
JH		 3135Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3136
3137 * i386.c (ix86_expand_setcc): Support 64bit.
3138 (ix86_expand_int_movcc): Likewise.
3139 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3140 New patterns.
3141
3142 * i386.md (allocate_stack_worker): Turn to expander.
3143 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3144
3145 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3146
e4b776a6
RH		 31472001-03-29 Richard Henderson <rth@redhat.com>
3148
3149 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3150
498cf3d0
MH		 31512001-03-28 Matthew Hiller <hiller@redhat.com>
3152
3153 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3154 output template.
3155
3156 * MAINTAINERS: Added self.
d02af173 3157
2bb9b75d
RH		 31582001-03-28 Richard Henderson <rth@redhat.com>
3159
3160 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3161 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3162
2bf47a10
JW		 31632001-03-28 Jim Wilson <wilson@redhat.com>
3164
3165 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3166 operand_subword.
3167
3fdefbcc
KG		 31682001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3169
3170 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3171
3172 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3173 `error'.
d02af173 3174
3fdefbcc
KG		 3175 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3176
0ac19cfa
DD		 31772001-03-28 DJ Delorie <dj@redhat.com>
3178
3179 * Makefile.in (stage1_build): Revert CFLAGS patch.
3180
500164d2
MM		 31812001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3182
3183 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3184 when multiplier or multiplicand is zero.
3185
669ff14e
BS		 31862001-03-28 Bernd Schmidt <bernds@redhat.com>
3187
3188 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3189
112333d3
BS		 3190 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3191 rtx_needs_barrier.
3192 (set_src_needs_barrier): Likewise.
3193 (rtx_needs_barrier): For SET case, use these two functions. Rework
3194 PARALLEL case to handle all inputs before all outputs.
3195 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3196 saw a label and no stop bit since then.
3197 (maybe_rotate, process_epilogue): Add prototypes.
3198
3553b09d
RH		 31992001-03-28 Richard Henderson <rth@redhat.com>
3200
3201 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3202 not TARGET_TOC for special toc restore handling.
3203 * config/rs6000/rs6000.md (eh_return): Likewise.
3204
4573b4de
RH		 32052001-03-28 Richard Henderson <rth@redhat.com>
3206
1150a841
RH		 3207 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3208 current_function_calls_eh_return.
3209 (output_function_epilogue): Handle eh_return.
3210 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3211 (EH_RETURN_DATA_REGNO): New.
3212 (EH_RETURN_STACKADJ_RTX): New.
3213 (EH_RETURN_HANDLER_RTX): New.
3214 * config/sparc/sparc.md (call/short branch peepholes): Check
3215 can_throw_internal instead of in_same_eh_region.
3216
83720594
RH		 3217 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3218 for eh_return data registers.
3219 (rs6000_emit_prologue): Save eh_return data registers.
3220 (rs6000_emit_epilogue): Force inline restores if eh_return.
3221 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3222 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3223 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3224 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3225 the target uses one.
3226 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3227 (return_eh_si, return_eh_di): Remove.
3228 (eh_return): New, from corpse of eh_epilogue.
3229 (eh_set_lr_si, eh_set_lr_di): New.
3230
1020a5ab
RH		 3231 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3232 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3233 True for pic register if current_function_calls_eh_return.
3234 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3235 Handle eh_return requirements.
3236 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3237 (EH_RETURN_STACKADJ_RTX): New.
3238 * config/i386/i386.md (exception_receiver): Remove.
3239 (eh_return, eh_return_1): New.
3240 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3241
3242 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3243 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3244 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3245 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3246 (EH_RETURN_DATA_REGNO): New.
3247 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3248 * config/alpha/alpha.md (eh_epilogue): Remove.
3249 (exception_receiver): Use $26 for ldgp input.
4573b4de
RH		 3250 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3251
52a11cbf
RH		 32522001-03-28 Richard Henderson <rth@redhat.com>
3253
3254 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3255 * except.h: Likewise.
3256
3257 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3258 (LIB2ADDEHDEP): New.
3259 (LIB2FUNCS_EH): Remove.
3260 (LIB2ADD): Remove LIB2ADDEH.
3261 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3262 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3263 (crt{begin,end}[S].o): Likewise.
3264 (except.o): Update includes.
3265 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3266 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3267
3268 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3269 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3270 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3271 * builtins.c (expand_builtin): Implement it.
3272 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3273 * c-common.c (c_common_nodes_and_builtins): Declare it.
3274 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3275 * calls.c (libfunc_nothrow): Remove.
3276 (emit_library_call_value_1): Don't call it.
3277 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3278 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3279 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3280 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3281 (current_funcdef_number): Globalize.
3282 (output_call_frame_info): Emit frame data if an lsda is needed.
3283 Generate augmentation for personality routine. Don't play with
3284 difference symbols.
3285 (dwarf2out_begin_prologue): Record funcdef_number.
3286 * dwarf2out.h (current_funcdef_number): Declare.
3287 * expr.c (expand_expr): Update for except.h name changes.
3288 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3289 * expr.h (LTI_throw, LTI_rethrow): Remove.
3290 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3291 (LTI_eh_rtime_match): Remove.
3292 (LTI_unwind_resume, LTI_eh_personality): Add.
3293 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3294 * final.c (final): Don't call check_exception_handler_labels,
3295 init_insn_eh_region, or free_insn_eh_region.
d02af173 3296 (final_scan_insn): Always emit debug labels for
52a11cbf
RH		 3297 NOTE_INSN_EH_REGION notes.
3298 * flags.h (flag_new_exceptions): Remove.
3299 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3300 (record_active_eh_regions): Remove.
3301 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3302 Use can_throw_internal.
3303 (find_basic_blocks_1): Likewise.
3304 (move_stray_eh_region_notes): Remove.
3305 (find_label_refs): No eh_return_stub_label.
3306 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3307 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3308 changes.
3309 (delete_unreachable_blocks): Don't track deleted handlers.
3310 (flow_delete_block): Use maybe_remove_eh_handler.
3311 (delete_eh_regions): Remove.
3312 (merge_blocks): Don't check for eh region match.
d02af173 3313 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
52a11cbf
RH		 3314 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3315 (init_propagate_block_info): Disable dead frame store optimization
3316 when current_function_calls_eh_return.
3317 (dump_bb): Don't print eh_beg, eh_end.
3318 * function.c (fixup_var_refs): No catch_clauses.
3319 (expand_function_end): Likewise. Call expand_eh_return before
3320 the return register use. Call sjlj_emit_function_exit_after.
3321 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3322 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3323 * ifcvt.c (dead_or_predicable): Remove eh region check.
3324 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3325 Don't check for EH vs parameters.
3326 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3327 (expand_inline_function): Call duplicate_eh_regions.
3328 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3329 (copy_insn_notes): Remap REG_EH_REGION notes.
3330 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3331 * integrate.h (struct inline_remap): Add local_return_label.
3332 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3333 check_exception_handler_labels, nor exception_optimize.
3334 (find_cross_jump): No EH region check.
3335 * optabs.c (init_optabs): Update for changed eh libfuncs.
3336 * rtl.def (RESX): New.
3337 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3338 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3339 checks. Update for except.h name changes.
3340 (expand_cleanups): Likewise.
3341 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3342 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3343 (compile_file): Call init_eh before init_optabs. Don't
3344 output_exception_table here.
3345 (rest_of_compilation): Call convert_from_eh_region_ranges,
3346 convert_to_eh_region_ranges, output_function_exception_table.
3347 Don't emit_eh_context.
3348 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3349 (EXC_PTR_EXPR): New.
3350
3351 * md.texi (eh_epilogue): Remove.
3352 (eh_return): Document.
3353 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3354 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3355
3356 * eh-common.h: Remove file.
3357 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3358 * libgcc2.c (L_eh): Remove.
3359
3360 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3361 * unwind-dw2-fde.h: New file.
3362 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3363 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3364 * libgcc-std.ver: Update for eh symbols.
3365
c1e9f663
RH		 33662001-03-27 Richard Henderson <rth@redhat.com>
3367
a614d82e
RH		 3368 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3369 reduce false positives.
3370 (regmove_optimize): Disable if flag_non_call_exceptions.
3371
7cc8342c
RH		 3372 * stmt.c (expand_return): Remove always true predicate.
3373 (expand_decl_cleanup_no_eh): Remove dead code.
3374
ca3c1028
RH		 3375 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3376 barrier code. Add a scheduling barrier if a non-call insn
3377 can throw internally.
3378
4f73495e
RH		 3379 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3380 Auto-inc addresses trap only if their base register does.
3381
54590688
RH		 3382 * except.c (can_throw_internal): Rename from can_throw.
3383 * except.h, resource.c: Update references.
3384
8cd44271
RH		 3385 * integrate.c (copy_insn_list): Use returnjump_p.
3386 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3387
89996b6e
RH		 3388 * function.h (struct function): Move all boolean valued fields
3389 to single bit fields at the end of the struct.
3390
c1e9f663
RH		 3391 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3392 jump.c, toplev.c:
3393 Rename asynchronous_exceptions to flag_non_call_exceptions.
3394
d02af173 3395 * gthr-single.h (UNUSED): New. Distinguish between how C
e64a6541
RH		 3396 and C++ mark unused function arguments. Use throughout.
3397
531073e7
RH		 3398 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3399 value to target configuration header.
3400 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3401 * config.in, configure: Rebuild.
3402 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3403 configuration and target defines.
3404 (exceptions_via_longjmp): Remove.
3405 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3406 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3407
894d0e39
RH		 3408 * except.h (flag_non_call_exceptions): Move ...
3409 * flags.h: ... here.
3410
662795a8
RH		 3411 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3412 exceptions, put the note on the trapping instruction.
3413
461fc4de
RH		 3414 * flags.h (flag_new_exceptions): Remove.
3415 * toplev.c: Don't set it.
3416 * final.c: Don't check it.
3417 * except.c: Provide stub definition.
3418
ad73b558
RH		 3419 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3420 (calculate_global_regs_live): Kill call-clobbered registers
3421 across exception edges.
3422 * reg-stack.c (convert_regs_1): Kill the entire target stack
3423 across non-call exception edges.
3424
2f2ee4bb
RH		 3425 * flow.c (cleanup_cfg): Take no argument.
3426 * output.h, sibcall.c, toplev.c: Update all calls.
3427
8e944909
KG		 34282001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3429
3430 * configure.in: Don't check for bcopy.
3431 * configure, config.in: Regenerate.
3432
3433 * system.h: Don't define or prototype bcopy, instead poison it.
3434
3d74dad8
RH		 34352001-03-27 Richard Henderson <rth@redhat.com>
3436
3437 * function.c (expand_function_start): Set DECL_REGISTER on
3438 a pseudo used for DECL_RESULT.
3439
695ee791
RH		 3440 * rtl.h (LCT_NORETURN): New.
3441 * calls.c (emit_library_call_value_1): Handle it.
3442
e804281e
SS		 34432001-03-27 Stan Shebs <shebs@apple.com>
3444
3445 * objc/objc-act.c (objc_init): Use dump_base_name.
3446 (gen_declaration): Clear the buffer arg.
3447 (gen_declaration_1): New function, body of gen_declaration.
3448 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3449 (gen_method_decl): Ditto, plus always clear buffer arg.
3450 (error_with_ivar): Simplify.
3451 (warn_with_method): Ditto.
3452 (build_message_expr): Don't clear buffers.
3453 (dump_interface): Ditto.
3454 (objc_debug): Ditto.
3455 (build_keyword_selector): Clear the buffer by only zeroing
3456 the first element.
3457 (objc_implementation_context): Declare.
3458 (start_class): Warn about missing @end.
3459 (finish_objc): Ditto.
3460
055c7759
JDA		 34612001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3462
3463 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3464
911e6107
KG		 34652001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3466
3467 * Makefile.in (SYSTEM_H): Define.
3468 Depend on $(SYSTEM_H), not system.h.
3469
3470 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3471
685af3af
JW		 34722001-03-27 Jim Wilson <wilson@redhat.com>
3473
ad0fc698
JW		 3474 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3475 IA64_UNWIND_EMIT.
3476 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3477 (process_epilogue): New static function.
3478 (process_set): Call process_epilogue instead of emitting .restore
3479 directly.
3480 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3481
685af3af
JW		 3482 * flow.c (struct reg_cond_life_info): New fields orig_condition
3483 and stores.
3484 (init_propagate_block_info): Set new fields.
3485 (mark_regno_cond_dead): Set and use new fields.
3486 (flush_reg_cond_reg_1): Likewise.
3487 (and_reg_cond, case AND): Check for redundant AND conditions.
3488 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3489 Set new fields.
3490
b044e9d5
NB		 34912001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3492
3493 * cppmacro.c (stringify_arg): Null terminate strings.
3494
0b29309a
ZW		 34952001-03-27 Zack Weinberg <zackw@stanford.edu>
3496
3497 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3498 inclusion style. xm-m68hc11.h no longer exists.
3499 * config/m68hc11/xm-m68hc11.h: Delete file.
3500 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3501
3502 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3503 Don't define GCC_VERSION, N_, or PARAMS; don't include
3504 gansidecl.h or stdio.h. Define inhibit_libc here.
3505 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3506 Delete code conditioned on #if GCC_VERSION == 2095.
3507
3508 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3509 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3510 Delete code conditioned on #if GCC_VERSION == 2095.
3511
4bc5fbd4
KG		 35122001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513
3514 * system.h: Include symcat.h.
3515 (STRINGIFY): Don't define.
3516
3517 * configure.in: Adjust comment.
3518
3519 * builtins.c: Use STRINGX, not STRINGIFY.
3520 * gencheck.c: Likewise.
3521 * gengenrtl.c: Likewise.
3522 * protoize.c: Likewise.
3523
3524 * cpplex.c: Don't include symcat.h.
3525 * cpplib.c: Likewise.
3526
3527 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3528
b13aca19
AM		 35292001-03-27 Alan Modra <alan@linuxcare.com.au>
3530
3531 * c-typeck.c (digest_init): Fold init expression.
3532
7c5b92c4
KG		 35332001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3534
3535 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3536
5b5c2734
AM		 35372001-03-27 Alan Modra <alan@linuxcare.com.au>
3538
3539 * except.c (eh_regs): Save results of build_pointer_type to a temp
3540 as FUNCTION_VALUE macro may evaluate its args multiple times.
3541
b850de4f
MM		 35422001-03-26 Mark Mitchell <mark@codesourcery.com>
3543
3544 * c-common.h (DECL_NUM_STMTS): New macro.
3545 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3546 DECL_FRAME_SIZE.
3547 (pushdecl): Likewise.
3548 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3549 * integrate.c (expand_inline_function): Don't check
3550 DECL_FRAME_SIZE.
3551 * print-tree.c (print_node): Don't print it.
3552 * toplev.c (rest_of_compilation): Don't try to inline when
3553 flag_no_inline is on.
3554 * tree.h (DECL_FRAME_SIZE): Remove.
3555 (tree_decl): Adjust accordingly.
0b29309a 3556
d38a30c9
KG		 35572001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558
3559 * combine.c (try_combine): Use memcpy, not bcopy.
3560
3561 * genattrtab.c (expand_units): Likewise.
3562
cc2e591b
JH		 3563Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3564
3565 * i386.md (push mem DI peep2): New.
3566 (mov 0, mov -1 peep2): Handle 64bit.
3567 (lea to arithmetics peep2): Handle 64bit leas.
3568 (rsp arithmetics to push/pop peep2s): New.
3569
3570 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3571
8362f420
JH		 3572Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3573
3574 * i386.c (struct machine_function): Add save_varrargs_registers.
3575 (ix86_save_varrargs_registers): New macro.
3576 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3577 (ix86_expand_prologue): Likewise.
3578 (ix86_emit_epilogue_esp_adjustement): Likewise.
3579 (ix86_expand_epilogue): Likewise.
3580 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3581 (pro_epilogue_adjust_stack_1): New insn.
3582 (pro_epilogue_adjust_stack_rex64): Likewise.
3583 * i386.h (MASK_NO_RED_ZONE): New constant.
3584 (TARGET_RED_ZONE): New macro.
3585 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3586 (RED_ZONE_SIZE): New constant.
3587 (RED_ZONE_RESERVE): New constant.
3588
56b89084
KG		 35892001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3590
3591 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3592
273c3244
KH		 35932001-03-25 Kazu Hirata <kazu@hxi.com>
3594
3595 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3596 space.
3597 (modqi3): Likewise.
3598 (umodhi3): Likewise.
3599 (modhi3): Likewise.
3600
d2a2648c
KG		 36012001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602
3603 * mkconfig.sh (DEFINES): Handle entries with '='.
3604
3605 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3606 Set xm_defines to MACRO=value instead.
3607
3608 * i370/xm-mvs.h: Delete.
0b29309a 3609
d2a2648c
KG		 3610 * ns32k/xm-pc532-min.h: Likewise.
3611
371bc54b
JH		 3612Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3613
3614 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3615 shiftdi_operand;
3616 use ix86_expand_binary_operator
3617 (?sh??i_?): Disable for 64bit.
3618 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3619 * i386.c (shiftdi_operand): New predicate.
3620
3621 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3622 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3623 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3624 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3625 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3626 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3627 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3628 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3629 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3630 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3631 (rotldi3, rotrdi3): New expanders.
3632
0945b39d
JH		 3633Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3634
3635 * i386.md (movstrsi): Move offline.
3636 (movstrdi): New.
3637 (strmovdi_rex64): New.
3638 (strmov?i): Accept 64bit.
3639 (strmov?i_rex64): New.
3640 (strmov?i_rex_1): New.
3641 (strmov?i_1): Disable for 64bit.
3642 (rep_mov?i_rex64): New.
3643 (rep_mov?i): Disable for 64bit.
3644 (clrstrsi): Move offline.
3645 (strset?i_rex64): New.
3646 (strset?i: Accept 64bit.
3647 (rep_stos?i): Disable for 64bit.
3648 (rep_stos?i_rex64): New.
3649 (strset?i_rex_1): New.
3650 (strset?i_1): Disable for 64bit.
3651 (cmpstrsi): Accept 64bit.
3652 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3653 (cmpstrqi_nz_rex_1): New.
3654 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3655 (strlensi): Move offline.
3656 (strlendi): New.
3657 (strlenqi_1): Disable for 64bit; fix constraints.
3658 (strlenqi_rex_1): New.
3659 * i386.c (ix86_adjust_counter): New static function.
3660 (ix86_zero_extend_to_Pmode): Likewise.
3661 (ix86_expand_aligntest): Likweise.
3662 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3663 (ix86_expand_movstr): New global function.
3664 (ix86_expand_clrstr): New global function.
3665 (ix86_expand_strlen): New global function.
3666 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3667 ix86_expand_strlen): Declare.
3668 (ix86_expand_strlensi_unroll_1): Delete.
3669
9b70259d
JH		 3670Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3671
3672 * i386.md (cmpdi): Fix operand predicates.
3673 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3674 cmpdi_1_insn_rex64): New patterns.
3675 (adddi3): Turn to expander.
3676 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3677 (addsi3_carry_zext): New pattern.
3678 (adddi_?_rex64): New patterns and splitters.
3679 (addsi_?_zext): New patterns.
3680 (subsi3_carry_zext): New pattern.
3681 (subdi_?_rex64): New patterns and splitters.
3682 (iorsi_?_zext): New patterns.
3683 (iordi_?_rex64): New patterns and splitters.
3684 (iorsi_?_zext): New patterns.
3685 (iorsi_?_zext_imm): New patterns.
3686 (xorsi_?_zext): New patterns.
3687 (xordi_?_rex64): New patterns and splitters.
3688 (xorsi_?_zext): New patterns.
3689 (negdi*): New patterns.
3690 (one_cmpldi*): Likewise.
3691 (one_cmplsi*_zext, negsi*_zext): Likewise.
3692 (testqi_ext_3_rex64): New pattern.
3693
26e5b205
JH		 3694Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3695
3696 * i386-protos.h (ix86_split_long_move): Return void.
3697 * i386.c (ix86_split_to_parts): Handle 64bit target.
3698 (ix86_split_long_move): Likewise.
3699 * i386.md (all calls to ix86_split_long_move): Update.
3700
75e0407e
RH		 37012001-03-23 Richard Henderson <rth@redhat.com>
3702
3703 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3704 to avoid shadowing arguments.
3705
60080880
JJ		 37062001-03-23 Jakub Jelinek <jakub@redhat.com>
3707
3708 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3709 to variable names where DECL_NAME is different from
3710 DECL_ASSEMBLER_NAME.
3711
9ea07fd0
JW		 37122001-03-23 Jim Wilson <wilson@redhat.com>
3713
3714 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3715 (assemble_alias): Call make_decl_rtl.
0b29309a 3716
25caaba8
R		 3717Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3718
3719 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3720
60c87482
BM		 37212001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3722
3723 * extend.texi: Document the "java_interface" attribute.
3724
1b0ae0f9
ZW		 37252001-03-22 Zack Weinberg <zackw@stanford.edu>
3726
3727 * mkconfig.sh: Use a subshell with redirected stdout,
3728 instead of closing stdout and confusing commands that run
3729 afterward. Throw away output of cmp.
3730
b937498e
GS		 37312001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3732
3733 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3734
123bf9e3
JH		 3735Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3736
3737 * i386.md (zero_extendsidi2_32): Break out from ...
3738 (zero_extendsidi2): ... here ; turn to expander.
3739 (zero_extendsidi2_rex64): New.
3740 (extendsidi2_32): Break out from ...
3741 (extendsidi2): ... here ; turn to expander.
3742 (extendsidi2_rex64): New.
3743 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3744 (trunc?f?f splitters): Add 64bit versions.
3745
0ec259ed
JH		 3746Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3747
3748 * i386.md (pushsi, pushsi2_prologue): Disable.
3749 (pushsi2_rex64): New.
3750 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3751 (movqi_ext_1): Disable for 64bit.
3752 (movqi_ext_1_rex64): New.
3753 (pushdi2_rex64): New pattern, peep2s and splitter.
3754 (pushdi2_prologue_rex64): New pattern.
3755 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3756 Likewise.
3757 (movdi splitters): Disable for 64bit.
3758 (movdi_1_rex64): New pattern, peep2s and splitters.
3759 (swapdi): New pattern.
3760 (pushsf): Disable for 64bit.
3761 (pushsf_rex64): New pattern and splitter.
3762 (pushdf_nointeger): Disable for 64bit.
3763 (pushdf_integer): Handle the 64bit case.
3764 (pushtf): Likewise; update splitters.
3765
5e7f4a4a
RH		 37662001-03-22 Richard Henderson <rth@redhat.com>
3767
3768 * mkconfig.sh: Include insn-flags.h.
3769 * Makefile.in (CONFIG_H): Include insn-flags.h.
3770 (lots of objects): Remove insn-codes.h and insn-flags.h.
3771
3772 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3773 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3774 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3775 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3776 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3777 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3778 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3779 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3780 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3781 v850/v850.c, vax/vax.c:
3782 Don't include insn-flags.h.
3783
3784 * diagnostic.c, expr.h, reload.c, toplev.c:
3785 Don't include insn-codes.h.
3786
3787 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3788 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3789 c4x/c4x.c, i960/i960.c, mips/mips.c:
3790 Don't include insn-codes.h or insn-flags.h.
3791
3792 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3793 or insn-flags.h in the generated code.
3794 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3795 (main): Forward declare struct rtx_def.
3796
52a11d15
JM		 37972001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3798
8b87acb8
JM		 3799 * invoke.texi (-ffast-math): Remove duplicate line about
3800 __FAST_MATH__.
3801
52a11d15
JM		 3802 * gcc.texi: Remove more obsolete documentation of bugs and
3803 installation problems.
3804
b5f1747c
KH		 38052001-03-21 Kazu Hirata <kazu@hxi.com>
3806
3807 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3808 into two parts.
3809
64d9c3fe
JM		 38102001-03-20 Jason Merrill <jason@redhat.com>
3811
3812 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3813 not '.' or '$'.
3814 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3815 * varasm.c (CHKR_PREFIX): Likewise.
3816
4eadbbd5
RK		 3817Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3818
52d76e11
RK		 3819 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3820 is part of a multi-SET insn.
3821
bca05d20
RK		 3822 * cse.c (find_comparison_args): Remove previous change.
3823 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3824 REG_EQUAL notes.
3825
37c7da7b
RK		 3826 * config/i386/i386.md (conditional_trap): Remove warning.
3827
a8d19608
RK		 3828 * recog.c (push_operand): Fix error in last change that caused
3829 undefined symbol on many targets.
3830
4eadbbd5 3831 * sdbout.c: #include ggc.h.
60e589ef 3832 (sdbout_init): Move to end of file.
4eadbbd5
RK		 3833 Call ggc_add_tree_root for anonymous_types.
3834 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3835 (sdbout_one_type): Use DECL_NAME for field name.
3836 * Makefile.in (sdbout.o): Show includes ggc.h.
3837
0d7d98ee
JH		 3838Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3839
3840 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3841 (override_options): Use properlimits for preferred_stack_boundary.
3842 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3843 on x86_64.
3844 (ext_register_operand): Accept DImode.
3845 (load_pic_register): Abort on 64bit.
3846 (gen_push): Use Pmode instead of SImode.
3847 (ix86_save_reg): Pic reg is never used on 64bit.
3848 (ix86_expand_prologue): Likewise.
3849 (ix86_emit_save_regs): Use Pmode instead of SImode.
3850 (legitimate_address_p): Check displacement for 64bit.
3851 (print_operand): Avoid outputting of (%rip) on 64bit.
3852 (print_operand_address): Output (%rip) where possible.
3853 (split_di): Abort on 64bit registers.
3854 (ix86_expand_branch): DImode comparison is simple for x86_64.
4eadbbd5
RK		 3855 (memory_address_length): Recognize memory addresses formed using
3856 PRE/POST modify.
0b29309a 3857 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4eadbbd5 3858 for x86_64.
0d7d98ee
JH		 3859 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3860
70a32495
JH		 3861Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3862
3863 * recog.c (push_operand): Recognize new format of push instructions.
3864
7dd4b4a3
JH		 3865Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3866
3867 * i386.md (pushqi1): New.
3868 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3869 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3870 x86_64_immediate_operand, x86_64_immediate_operand,
3871 x86_64_zext_immediate_operand): Declare.
3872 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3873 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3874 x86_64_immediate_operand, x86_64_immediate_operand,
3875 x86_64_zext_immediate_operand): define.
3876 * i386.h (PREDICATE_CODES): Add new predicates.
3877
3878Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
566aa174
JH		 3879
3880 * i386.md (pophi1, popqi1, pushqi1): Remove.
3881
3882 * expr.c (emit_single_push_insn): New function.
3883 (move_by_pieces): Accept NULL as destination for push instructions.
3884 (gen_push_operand): Kill.
3885 (emit_push_insn): Pass NULL when pushing; avoid updating of
3886 stack_pointer_delta.
3887 * expr.h (gen_push_operand): Kill.
3888
e26b8996
RK		 3889Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3890
3891 * rtl.texi (COMPARE): Clarify documentation and reference section
3892 on comparisons.
3893
e44949e9
SS		 38942001-03-20 Stan Shebs <shebs@apple.com>
3895
3896 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3897 (get_object_reference): Ditto.
3898 (error_with_ivar): Use error_with_file_and_line.
3899 (warn_with_method): Use warning_with_file_and_line.
3900
2ba5f9b1
TT		 39012001-03-20 Tom Tromey <tromey@redhat.com>
3902
3903 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3904
116b39e0
MM		 39052001-03-20 Mark Mitchell <mark@codesourcery.com>
3906
3907 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3908 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3909
17da603c 39102001-03-20 DJ Delorie <dj@redhat.com>
67680154
DD		 3911
3912 * Makefile.in (install-libgcc): Pass complete list of variables.
3913 (install-multilib): Ditto.
3914
79f96374
DB		 39152001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3916
3917 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3918 drectve_section, switch_to_section.
3919
3920 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3921 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3922 i386_pe_mark_dllimport.
3923
39242001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
0b29309a 3925
79f96374
DB		 3926 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3927 functions i386_pe_*.
3928
3929 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3930 i386_pe_* functions with char * arguments.
3931
a92facbb
AO		 39322001-03-20 Alexandre Oliva <aoliva@redhat.com>
3933
3934 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3935 and store.
3936 (movsi_ie): Introduce fpul store.
3937
78f8fa86
AM		 39382001-03-20 Alan Modra <alan@linuxcare.com.au>
3939
3940 * Makefile.in (OBJS): Remove hashtab.o.
3941
ced5bce7
SS		 39422001-03-19 Stan Shebs <shebs@apple.com>
3943
3944 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3945 * c-lang.c (maybe_objc_method_name): Ditto.
3946 * c-tree.h (maybe_objc_method_name): Remove decl.
3947
d60726da
TT		 39482001-03-19 Tom Tromey <tromey@redhat.com>
3949
3950 * gcc.c (init_gcc_specs): Fix comment.
3951
68e568c2
MM		 39522001-03-19 Mark Mitchell <mark@codesourcery.com>
3953
92643fea
MM		 3954 Compute DECL_ASSEMBLER_NAME lazily.
3955 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3956 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3957 (SET_DECL_ASSEMBLER_NAME): Likewise.
3958 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3959 (set_decl_assembler_name): Declare.
3960 (lang_set_decl_assembler_name): Likewise.
3961 * tree.c (lang_set_decl_assembler_name): New variab.e
3962 (set_decl_assembler_name): New function.
3963 (init_obstacks): Set lang_set_decl_assembler_name.
3964 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3965 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3966 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3967 where it's not necessary.
3968 (builtin_function): Likewise.
3969 (finish_decl): Likewise.
3970 * dbxout.c (dbxout_type_methods): Likewise.
3971 * ggc-common.c (ggc_mark_trees): Likewise.
3972 * profile.c (output_func_start_profiler): Likewise.
3973 * varasm.c (make_decl_rtl): Likewise.
3974
68e568c2
MM		 3975 * cse.c (find_comparison_args): Update documentation. Fix
3976 mishandling of COMPARE operations.
3977
3978 * tree.def (ABS_EXPR): Add documentation.
3979 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3980
d4b6faf6
ZW		 39812001-03-19 Zack Weinberg <zackw@stanford.edu>
3982
3983 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3984
373368fd
JJ		 39852001-03-19 Jakub Jelinek <jakub@redhat.com>
3986
3987 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3988 Remove ia32 linux PIC kludge and move it...
3989 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3990
7343a5a9
JH		 3991Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3992
3993 * i386.md (absdf2 expander): Fix 64bit case.
3994
a8e5b5d9
BL		 39952001-03-19 Brad Lucier <lucier@math.purdue.edu>
3996
3997 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3998
e7aadbbb
AH		 39992001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4000
0b29309a 4001 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
e7aadbbb 4002
5df3dc23
GP		 40032001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4004
4005 * README.X11: Remove obsolete file.
4006
ff9b0a49
AG		 40072001-03-18 Anthony Green <green@redhat.com>
4008
4009 * config/pj/pj.h: Remove some trailing commas.
4010 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4011
bf501a65
RH		 40122001-03-18 Richard Henderson <rth@redhat.com>
4013
4014 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4015 * calls.c: ... here.
4016 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4017 defaults for them here.
4018
488744fa
AG		 40192001-03-17 Anthony Green <green@redhat.com>
4020
4021 * config/pj/lib1funcs.S: Fix broken comment.
4022 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4023 labels with '.'.
4024
1f618c58
JM		 40252001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4026
4027 * gcc.texi: Remove obsolete information relating to build and
4028 installation problems with enquire or the Pyramid C compiler.
4029
fbfa55b0
RH		 40302001-03-17 Richard Henderson <rth@redhat.com>
4031
4032 * dwarf2out.c (queue_reg_save): New.
4033 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4034 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4035 dwarf2out_reg_save.
4036 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4037 (cfa, cfa_store, cfa_temp): Make static.
4038 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4039
464186fb
RH		 40402001-03-17 Richard Henderson <rth@redhat.com>
4041
4042 * integrate.h (struct inline_remap): Add local_return_label.
4043 * integrate.c (expand_inline_function): Initialize it and emit
4044 it after copy_insn_notes.
4045 (copy_insn_list): Don't store local_return_label here.
4046 (copy_insn_notes): New function split out from copy_insn_list.
4047
acc187f5
RH		 40482001-03-17 Richard Henderson <rth@redhat.com>
4049
4050 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4051 is generating .debug_line.
4052 (dwarf2out_init): Add main_input_filename to the file table first.
4053 * configure.in (as_dwarf2_debug_line): Test with file number 1
4054 instead of file number 0.
4055
6732576c
RK		 4056Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4057
f1c6ba8b
RK		 4058 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4059 (gen_rtx_combine): Deleted; all references changed as appropriate.
4060 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4061
6732576c
RK		 4062 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4063
3b92de06
DB		 40642001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4065
4066 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4067 variable.
4068
0c35f902
JW		 40692001-03-16 Jim Wilson <wilson@redhat.com>
4070
4071 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4072 then set it to LOC_REG (79) instead of aborting.
4073
cf440c3c
PE		 40742001-03-16 Phil Edwards <pme@sources.redhat.com>
4075
4076 * gccbug.in: Remove high priority.
4077
e48cd290
RH		 40782001-03-16 Richard Henerson <rth@redhat.com>
4079
4080 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4081 output with a space instead of deleting it.
4082 * configure: Regenerate.
4083
2d6eb5bf
ZW		 40842001-03-16 Zack Weinberg <zackw@stanford.edu>
4085
4086 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4087 handles the gory details of converting an object file into
4088 something that's safe to grep.
4089 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4090 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4091 newlines at either end of the string we're looking for.
4092 Make 'checking ...' message less stilted.
4093 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4094 ARM in-memory layout and its hypothetical converse. Don't
4095 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4096 HOST_WORDS_BIG_ENDIAN.
4097
4098 * configure.in: Adjust for renamed macro. Move
4099 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4100 * configure, config.in: Regenerate.
4101
d577781c
LB		 41022001-03-16 Laurynas Biveinis <lauras@softhome.net>
4103
4104 * fixinc/Makefile.in: Set SHELL.
4105
41062001-03-16 Laurynas Biveinis <lauras@softhome.net>
4107
4108 * fixinc/fixincl.c (fix_with_system): Quote file names before
4109 passing them to shell.
2d6eb5bf 4110
d577781c
LB		 41112001-03-16 Laurynas Biveinis <lauras@softhome.net>
4112
4113 * Makefile.in: Use fix-header$(build_exeext) instead
4114 of fix-header.
2d6eb5bf 4115
981975b6
RH		 41162001-03-16 Richard Henderson <rth@redhat.com>
4117
4118 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4119 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4120 (size_of_line_prolog): Remove.
4121 (output_line_info): Compute prologue size via label difference.
4122 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4123
4124 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4125 assembler error when redefining file numbers.
4126 * config.in, configure: Rebuild.
4127
da6af203
RH		 4128 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4129 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4130 (dw2_asm_output_delta_uleb128): Likewise.
4131 (dw2_asm_output_delta_sleb128): Similarly.
4132 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4133
3a6ee9f4
MM		 41342001-03-16 Michael Meissner <meissner@redhat.com>
4135
4136 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4137 warnings.
4138 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4139 warnings.
4140 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4141
4142 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4143 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4144 being unsigned in ISO C and signed in traditional.
4145 (expand_prologue): Ditto.
4146 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4147
4148 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4149 warnings.
4150 (divsi3,divdi3): Ditto.
4151 (modsi3,moddi3): Ditto.
4152 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4153 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4154 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4155 warnings.
4156
fa9f36a1
JH		 4157Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4158
4159 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4160 SSE based conditional moves on LTGT/UNEQ conditions;
4161 Canonicalize EQ to NE.
4162 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4163 (sse_mov?fcc_ne): New.
4164
4165 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4166
fd969c7c
AO		 41672001-03-16 Alexandre Oliva <aoliva@redhat.com>
4168
4169 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4170 register may be dead.
4171
91c251fd
BL		 41722001-03-16 Brad Lucier <lucier@math.purdue.edu>
4173
4174 * Makefile.in (hash.o): Depend on CONFIG_H.
4175
110c3568
MM		 41762001-03-15 Mark Mitchell <mark@codesourcery.com>
4177
4178 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4179
7426e9a2
RH		 41802001-03-15 Richard Henderson <rth@redhat.com>
4181
4182 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4183 (ASM_OUTPUT_DWARF_PCREL): New.
4184 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4185
11bca309
AO		 41862001-03-16 Alexandre Oliva <aoliva@redhat.com>
4187
4188 * cppfiles.c (stack_include_file): Use MAX of sysp.
4189
7e5b9908
SE		 41902001-03-15 Steve Ellcey <sje@cup.hp.com>
4191
2d6eb5bf
ZW		 4192 * config.gcc (ia64*-*-hpux*): New case.
4193 * config/ia64/hpux.h: New file for HP-UX support.
4194 * config/ia64/t-hpux: New file for HP-UX support.
7e5b9908 4195
3b3a1054
BK		 41962001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4197
4198 * fixinc/inclhack.def (irix_stdio_va_list): New.
4199 * fixinc/fixincl.x: Rebuilt.
4200
8e7fa2c8
RH		 42012001-03-15 Richard Henderson <rth@redhat.com>
4202
4203 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4204 if provided by the target.
4205 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4206 (dw2_asm_output_addr): New.
4207 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4208 * dwarf2out.c (output_cfi): Use it for program addresses.
4209 (output_call_frame_info, output_die): Likewise.
4210 (output_aranges, output_line_info): Likewise.
4211
798bdf70
BK		 42122001-03-15 Bruce Korb <bkorb@gnu.org>
4213
4214 * gcc.c(main): make more rigorous
4215 * collect2.c(main): guard against ignoring SIGCHLD
4216 * protoize.c(main): ditto
4217 * gcc/fixinc/fixincl.c(initialize): ditto
4218
d975d8c3
MM		 42192001-03-15 Mark Mitchell <mark@codesourcery.com>
4220
4221 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4222 (sdbout_parms): Likewise.
4223
b216e516
JL		 4224Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4225
4226 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4227 "widen" a destination that is already wider than a word. Also do
4228 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4229
e06736f4
BS		 42302001-03-15 Bernd Schmidt <bernds@redhat.com>
4231
4232 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4233
42edbfa1
JW		 4234Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4235
4236 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4237
43fabf7d
JW		 4238Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4239
4240 * i960.h (i960_maxbitalignment,
4241 i960_last_maxbitalignment): Declare.
4242 * i960.c (i960_maxbitalignment,
4243 i960_last_maxbitalignment): Make global.
4244 (process_pragma): Delete.
4245 (i960_pr_align, i960_pr_noalign): Move from here ...
4246 * i960-c.c: ... to this new file.
4247 * t-960bare (i960-c.o): New rule.
4248 * t-vxworks960 (i960-c.o): Likewise.
4249 * config.gcc (i960-*-*): Define c_target_objs and
4250 cxx_target_objs.
4251
e4027dab
BS		 42522001-03-15 Bernd Schmidt <bernds@redhat.com>
4253
a4f4333a
BS		 4254 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4255 without adding in rtx code and mode.
4256
bb2cf916
BS		 4257 * alias.c (init_alias_analysis): Don't use any rtx whose value
4258 varies as a known value.
4259 Delete a superfluous test.
4260
e4027dab
BS		 4261 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4262 ia64_sched_reorder.
4263 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4264 scheduling a stop bit.
4265 (ia64_emit_nops): Correctly handle ASMs.
4266
d1d61788
MM		 42672001-03-15 Mark Mitchell <mark@codesourcery.com>
4268
4269 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4270
ba133c96
NB		 42712001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4272
4273 * cpp.texi: Update documentation for -include and -imacros.
4274 * cppfiles.c (struct include_file): Remove "defined" memeber.
4275 (find_or_create_entry): Make a copy of the file name, and
4276 simplify it.
4277 (open_file): Update to ensure we use the simplified filename.
4278 (stack_include_file): Don't set search_from.
4279 (cpp_included): Don't simplify the path name here.
4280 (find_include_file): New prototype. Call search_from to
4281 get the start of the "" include chain. Don't simplify the
4282 filenames here.
4283 (_cpp_execute_include): New prototype. Move diagnostics to
4284 do_include_common. Update.
4285 (_cpp_pop_file_buffer): Don't set defined.
4286 (search_from): New prototype. Use the preprocessor's cwd
4287 for files included from the command line.
4288 (read_name_map): Don't simplify the pathname here.
4289 * cpphash.h (enum include_type): New.
4290 (struct buffer): Delete search from. New search_cached.
4291 (_cpp_execute_include): Update prototype.
4292 * cppinit.c (do_includes): Use _cpp_execute_include.
4293 * cpplib.c (do_include_common): New function.
4294 (do_include, do_include_next, do_import): Use it.
4295
19e7881c
MM		 42962001-03-14 Mark Mitchell <mark@codesourcery.com>
4297
4298 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4299 contents of the RTL, to determine the name of the object.
4300
43012001-03-14 Mark Mitchell <mark@codesourcery.com>
4302
4303 * tree.h (DECL_RTL): Allocate RTL lazily.
4304 (SET_DECL_RTL): New macro.
4305 (DECL_RTL_SET_P): Likewise.
4306 (COPY_DECL_RTL): Likewise.
4307 (DECL_RTL_IF_SET): Likewise.
4308 * varasm.c (make_decl_rtl): Add assertions about the kind of
4309 declaration we are processing.
4310 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4311 (start_decl): Likewise.
4312 (finish_decl): Likewise.
4313 * c-semantics.c (emit_local_var): Likewise.
4314 * calls.c (expand_call): Likewise.
4315 * dbxout.c (dbxout_symbol): Likewise.
4316 * emit-rtl.c (unshare_all_rtl): Likewise.
4317 (unshare_all_decls): Likewise.
4318 (reset_used_decls): Likewise.
4319 * expr.c (store_constructor): Likewise.
4320 (safe_from_p): Likewise.
4321 (expand_expr): Likewise.
4322 * function.c (put_var_into_stack): Likewise.
4323 (instantiate_decls_1): Likewise.
4324 (assign_parms): Likewise.
4325 (expand_function_start): Likewise.
4326 (expand_function_end): Likewise.
4327 * ggc-common.c (gcc_mark_trees): Likewise.
4328 * integrate.c (function_cannot_inline_p): Likewise.
4329 (copy_decl_for_inlining): Likewise.
4330 (expand_inline_function): Likewise.
4331 (integrate_parm_decls): Likewise.
4332 (integrate_decl_tree): Likewise.
4333 * print-tree.c (print_node): Likewise.
4334 * reg-stack.c (stack_result): Likewise.
4335 * stmt.c (label_rtx): Likewise.
4336 (expand_return): Likewise.
4337 (expand_decl): Likewise.
4338 (expand_decl_cleanup): Likewise.
4339 (expand_anon_union_decl): Likewise.
4340 * toplev.c (check_global_declarations): Likewise.
4341 (rest_of_decl_compilation): Likewise.
4342 * tree.c (simple_cst_equal): Likewise.
4343 * objc/objc-act.c (generate_static_references): Likewise.
2d6eb5bf 4344
84c041a1
ZW		 43452001-03-14 Zack Weinberg <zackw@stanford.edu>
4346
4347 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4348 gcc_AC_C_FLOAT_FORMAT): New macros.
4349 * configure.in: Add AC_PROG_CPP after CC tests;
4350 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4351 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4352 * configure, config.in: Regenerate.
4353
4354 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4355 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4356 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4357 config/i370/xm-linux.h, config/i370/xm-oe.h,
4358 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4359 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4360 config/pa/xm-linux.h, config/pa/xm-pa.h,
4361 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4362 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4363 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4364 config/we32k/xm-we32k.h: Delete.
4365
4366 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4367 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4368 config/vax/xm-vms.h: Don't define any of:
4369 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4370
4371 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4372
4373 * config.gcc: Remove references to deleted files.
4374 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4375 FATAL_EXIT_CODE, which is the same between oe and mvs).
4376
fca097e7
DD		 43772001-03-14 DJ Delorie <dj@redhat.com>
4378 Vladimir Makarov <vmakarov@redhat.com>
4379
4380 * config/i960/i960.c (i960_function_prologue): Compute size of
4381 frame according to number of registers actually saved there.
4382
e9c0bd54
RH		 43832001-03-14 Richard Henderson <rth@redhat.com>
4384
4385 * expr.c (emit_move_insn_1): Fix else if around #endif.
4386
0c56474e
JH		 4387Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4388 Vojtech Pavlik
4389
4390 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4391 constraints.
4392
6189a572
JH		 4393Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4394
4395 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4396 (override_options): Parse cmodel string.
4397 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4398 * i386.h (TARGET_OPTIONS): Add "cmodel".
4399 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4400 (enum cmodel): New.
4401 (ix86_cmodel_string, ix86_cmodel): Declare.
4402
4403Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4404
4405 Spot by Matt Kraai:
4406 * i386.h (GENERAL_REG_P): Add missing REG_P.
4407
16a0fe50
LB		 44082001-03-14 Laurynas Biveinis <lauras@softhome.net>
4409
4410 * configure.in: Use $gcc_cv_as instead of $as.
4411 * configure: Regenerated.
4412
e7182666
NB		 44132001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4414
84c041a1 4415 * cppfiles.c (stack_include_file): Only increase the include
e7182666
NB		 4416 count if we actually process the file properly, as opposed
4417 to treating it as length zero. Only call read_include_file
4418 if not DO_NOT_REREAD. Handle the -H include file output
4419 here.
4420 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4421 (cpp_included, find_include_file): Simplify pathnames after
4422 remapping them. If remapping, don't use the remapped file
4423 name's buffer as our scratch buffer.
4424 (cpp_pop_file_buffer): Replace the multiple include macro
4425 only if it isn't yet set.
4426 (read_name_map): Simplify remapped names when reading in.
4427 (remap_filename): Move code to code path that uses it.
4428 (_cpp_simplify_pathname): Return the input pointer.
4429 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4430
f80022ff
MM		 44312001-03-14 Mark Mitchell <mark@codesourcery.com>
4432
4433 * expr.c (expand_expr): Revove bogus conditional.
4434
79ce92d7
JH		 4435Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4436
4437 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4438
9cf218a3
JJ		 44392001-03-14 Jakub Jelinek <jakub@redhat.com>
4440
4441 * reg-stack.c (stack_result): Unconditionally use
4442 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4443
1a06f5fe
JH		 4444Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4445
4446 * expr.c (emit_move_insn_1): Split push of complex value when
4447 no suitable push instruction exist.
4448
4449 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4450 instead of QI_REG_P.
4451
6e24b709
RK		 4452Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4453
4454 * alias.c (handled_component_p, can_address_p): New functions.
4455 (get_alias_set): Use them.
4456
9502c558
JW		 44572001-03-13 Jim Wilson <wilson@redhat.com>
4458
4459 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4460 from 80 in try_locals code.
4461 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4462
75e93faa
ZW		 44632001-03-13 Zack Weinberg <zackw@stanford.edu>
4464
4465 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4466 gcc_AC_C_LONG_LONG): New.
4467 * configure.in: Use them. Probe the size of short, int, long,
4468 and long long/__int64 if we have them. Move all the AC_C_*
4469 checks together, except gcc_AC_C_CHAR_BIT which has to go
4470 after AC_CHECK_HEADERS(limits.h).
4471 Take hwint.h out of host_xm_file and build_xm_file.
4472
4473 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4474 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4475 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4476 Move the HOST_WIDEST_INT setup logic here from system.h.
4477 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4478 defined.
4479 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4480 is now handled by hwint.h.
4481
4482 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4483 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4484 config/ia64/xm-ia64.h: Don't define any of:
4485 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4486 HOST_BITS_PER_LONGLONG.
4487
4488 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4489 config/h8300/xm-h8300.h, config/mips/iris6.h,
4490 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4491 config/sparc/xm-sp64.h: Delete.
4492 * config.gcc: Remove references to deleted files.
4493
4494 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4495 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4496 * config/i370/xm-linux.h: Clarify floating-point situation in
4497 a comment.
4498
41947a54
NB		 44992001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4500
4501 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4502 (find_include_file): Decide here which part of the include
4503 chain to start the search. Complain about an empty include
4504 chain in all cases apart from an abolsute file name.
4505 (_cpp_execute_include): Don't choose the search chain here.
4506 Don't call handle_missing_include in the case of an empty
4507 include chain.
4508 (_cpp_compare_file_date): Don't choose the search chain here.
4509 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4510 here from _cpp_execute_include. Behave like #include if
4511 we're in the main file.
4512
77b84559
KG		 45132001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514
4515 * system.h (malloc, realloc, calloc, strdup): Only poison these
4516 tokens when IN_GCC is defined.
4517
ca29d1dc
JH		 4518Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4519
4520 * i386.md (abs?f expander): Support SSE case.
4521 (abd?f_if): Add new "USE"; add splitters.
4522
bf4ab281
KG		 45232001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4524
4525 * cpp.texi (poison): Explain the macro expansion exception.
4526
e5408e52
JJ		 45272001-03-13 Jakub Jelinek <jakub@redhat.com>
4528
4529 * expr.c (store_expr): Add dont_store_target. If temp is already in
4530 target before copying to reg, don't store it into target again.
4531
1198142b
NB		 45322001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4533
4534 * cppinternals.texi: Update for file handling.
4535
a84efb51
JO		 45362001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4537
4538 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4539 2001-02-24 which broke building the Java library.
4540 * function.c (identify_blocks): Likewise.
4541 (all_blocks): Likewise.
4542 * integrate.c (integrate_decl_tree): Likewise.
4543 * print-tree.c (print_node): Likewise.
4544 * tree.h (BLOCK_NUMBER): Likewise.
4545 (struct tree_block): Likewise.
4546
ba8afff6
DE		 45472001-03-12 David Edelsohn <edelsohn@gnu.org>
4548
4549 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4550 __WCHAR_TYPE__ definition.
4551 (WCHAR_TYPE_SIZE): #undef before #define.
4552
a36c54fa
NB		 45532001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4554
75e93faa 4555 * cppfiles.c: Update comments.
a36c54fa
NB		 4556 (destroy_include_file_node): Rename destroy_node.
4557 (find_or_create_entry): New function.
4558 (open_file, _cpp_fake_include): Use it.
4559 (handle_missing_header): New function, broken out of
4560 _cpp_execute include. Don't segfault if there is no
4561 system or quoted path.
4562 (_cpp_execute_include): Use handle_missing_header.
4563
23712c11
JO		 45642001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4565
4566 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4567 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4568
e8ea2809
RK		 4569Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4570
4571 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4572 unless anti_dependence says they are.
4573 * alias.c (objects_must_conflict): If neither has a type specified,
4574 they must conflict.
4575
89c9653e
NB		 45762001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4577 David Billinghurst <David.Billinghurst@riotinto.com>
4578
4579 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4580
99560e26
JH		 4581Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4582
4583 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4584 (*_one_bit): Remove type on the match_operand in attributes.
4585
3d117b30
JH		 4586Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4587
4588 * i386.c: Commit forgotten hunk in previous patch.
4589 (regclass_map): Add extended registers.
4590 (dbx_register_map): Add missing frame register.
4591
1e07edd3
JH		 4592Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4593
4594 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4595
4596 * i386.md (x86_sahf_1): Disable for 64bit.
4597 (popsi*, pophi*): Likewise.
4598 (pushqi, pushhi): Likewise.
4599 (movdi, pushdi): Likewise.
4600 (zero extend DImode splitter): Likewise.
4601 (adddi, minusdi splitter): Likewise.
4602 (umulsidi): Likewise.
4603 (umulsi): New.
4604 (mulsidi): Disable for 64bit
4605 (lshift:DI/ashift:DI): Disable for 64bit.
4606 (loop patterns): Likewise.
4607 (call_pop, call_value_pop expanders and patterns): Likewise.
4608 (prologue_get_pc): Likewise.
4609 (leave): Likewise.
4610 (fcmovDI pattern and splitter): Likewise.
4611 (movdfcc_1_rex64): New.
4612
d2836273
JH		 4613Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4614
4615 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4616 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4617 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4618 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4619 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4620 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4621 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4622 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4623 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4624 (REGPARM_MAX): Set to 6 for x86_64.
4625 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4626 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4627 registers.
4628
4629 * (patterns that does use upper halves): Update constraints
4630 'q' to 'Q' and 'r' to 'R'.
4631 (cmpqi_ext_1): Disable for 64bit.
4632 (cmpqi_ext_3_insn): Likewise.
4633 (movqi_extzv_1): Likewsie.
4634 (addqi_ext_1): Liekwsie
4635 (testqi_ext_1): Liekwsie
4636 (andqi_ext_1): Liekwsie
4637 (xorqi_ext_1): Liekwsie
4638 (cmpqi_ext_1_rex64): New.
4639 (cmpqi_ext_3_insn_rex64): Likewise.
4640 (movqi_extzv_1_rex64): Likewsie.
4641 (addqi_ext_1_rex64): Liekwsie
4642 (testqi_ext_1_rex64): Liekwsie
4643 (andqi_ext_1_rex64): Liekwsie
4644 (xorqi_ext_1_rex64): Liekwsie
4645
9612ab65
ZW		 46462001-03-11 Zack Weinberg <zackw@stanford.edu>
4647
75e93faa 4648 * configure.in: Move check for unsigned enumerated bitfields
9612ab65
ZW		 4649 to macro in aclocal.m4. Disable it for now.
4650 * configure, config.in: Regenerate.
4651 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4652 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4653 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4654 kind above its first use.
4655
4656 * config/xm-interix.h, config/alpha/xm-alpha.h,
4657 config/i370/xm-linux.h, config/i386/xm-beos.h,
4658 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4659 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
75e93faa 4660 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
9612ab65
ZW		 4661 Don't define ONLY_INT_FIELDS under any circumstances.
4662
4663 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4664
4665 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4666 config/sparc/xm-sysv4.h: Delete - now identical with some
4667 other xm header.
4668 * config.gcc (hppa targets): Replace xm-pahpux.h and
4669 xm-papro.h with implicit xm-pa.h.
4670 (sparc targets): Replace xm-sysv4.h with implicit or explicit
75e93faa 4671 xm-sparc.h.
9612ab65 4672
d5ae21aa
AH		 46732001-03-12 Aldy Hernandez <aldyh@redhat.com>
4674
75e93faa
ZW		 4675 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4676 before reload_cse_noop_set_p.
d5ae21aa 4677
190c4cb4
ZW		 46782001-03-11 Zack Weinberg <zackw@stanford.edu>
4679
4680 * config.gcc: Where xm-host.h used to include another
4681 xm-host.h, list the nested header directly in xm_file. Remove
4682 references to deleted files. Can now use sparc/xm-sp64.h for
4683 sparcv9-*-solaris*.
4684
4685 * config/xm-linux.h, config/arm/xm-linux.h,
4686 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4687 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4688 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4689 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4690 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4691 Delete.
4692
4693 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4694 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4695 bother to wrap #undef in #ifdef.
4696 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4697 Don't include xm-linux.h.
4698 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4699
4700 * configure.in: Wrap regexps using [] in changequote block.
4701 Use expr : not echo | grep. Simplify regexps.
4702 * configure: Regenerate.
4703
4704 56 xm-files remain, 22 xm-arch.
4705
45a647be
KG		 47062001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4707
4708 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4709 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4710 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4711 (copy_object): Fix format specifier vs argument mismatch.
4712
4713 * mips-tdump.c: Make local functions static.
4714 (rindex): Don't #undef.
4715 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4716 (fatal, fancy_abort): Delete.
4717 (read_seek): Avoid signed/unsigned compare.
4718
c7ca5912
RK		 4719Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4720
4721 * combine.c (try_combine): Fix error in change to try original
4722 register.
4723 (gen_rtx_combine): Do same as gen_rtx for now.
4724
3d9d2476
ZW		 47252001-03-11 Zack Weinberg <zackw@stanford.edu>
4726
4727 * configure.in: AC_SUBST xm_defines.
4728 * configure: Regenerate.
4729 * Makefile.in: Set DEFINES=$(xm_defines) when building
4730 tconfig.h.
4731
b6464a73
NB		 47322001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4733
75e93faa 4734 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
b6464a73
NB		 4735 (cpp_included, find_include_file): Update.
4736 (_cpp_compare_file_date): Make else unconditional.
4737
2cef831c
KK		 47382001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4739
4740 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4741
e9a9e960
TM		 47422001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4743
75e93faa 4744 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
e9a9e960
TM		 4745 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4746
066c84df
AO		 4747Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4748
4749 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4750 if it's a record type.
4751
936ee790
CF		 4752Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4753
4754 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4755 mingw includes slightly.
4756
8a0e5115
KG		 47572001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4758
4759 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4760 #undef token before poisoning it.
4761
6439a1f2
KG		 47622001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4763
4764 * alpha.c (check_float_value): Use memcpy, not bcopy.
4765
4766 * m32r.c (m32r_sched_reorder): Likewise.
4767
4768 * vax.c (check_float_value): Likewise.
4769
b3e68a79
NB		 47702001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4771
4772 * toplev.c (file_name_nondirectory): Remove.
4773 * toplev.h: Similarly.
4774 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4775 of file_name_nondirectory.
4776
ea23d540
RK		 4777Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4778
4779 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4780 * mips-tfile.c: Don't #undef rindex; not used.
4781
0f7fa3d0
JH		 4782Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4783
4784 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4785 (dbx64_register_map): Declare.
4786 (RETURN_ADDR_RTX): Fix for 64bit.
4787 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4788 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4789 * i386.c (dbx64_register_map): New global array.
4790 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4791 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4792 for 64bits.
4793
2251fd78
NB		 47942001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4795
4796 * cppfiles.c (search_from): Use lbasename.
4797 * mkdeps.c (deps_add_default_target): Use lbasename.
4798
f4ce9d90
KG		 47992001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4800
4801 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4802 xcalloc in lieu of malloc, realloc & calloc.
190c4cb4 4803
f4ce9d90
KG		 4804 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4805
4806 * gengenrtl.c (xmalloc): Likewise.
4807
4808 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4809 really_call_* memory allocation routines.
4810
4811 * stmt.c (check_for_full_enumeration_handling): Use
4812 really_call_calloc, not calloc.
4813
4814 * system.h (really_call_malloc, really_call_calloc,
4815 really_call_realloc): Define.
4816 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4817
0eac2984
JL		 4818Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4819
4820 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4821
1bf17cc4
NP		 48222001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4823
4824 * configure: Rebuilt.
4825 * configure.in: Only use `lang_requires' for languages athat are
4826 actually enabled.
4827
6ca3ad1b
JM		 48282001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4829
4830 * invoke.texi: Fix typo.
4831 * gcc.1: Regenerate.
4832
11642c3a
ZW		 48332001-03-09 Zack Weinberg <zackw@stanford.edu>
4834
4835 * configure.in: Prune nonexistent files from build_xm_file,
4836 xm_file, and host_xm_file lists. Warn unless they're
4837 $cpu/xm-$cpu.h.
4838 Don't generate *config.h here.
4839 AC_SUBST all variables needed to generate *config.h.
4840 * configure: Regenerate.
4841 * mkconfig.sh: New helper script, from code removed from
4842 configure.in.
4843 * Makefile.in: Zap all MALLOC variables - no longer used
4844 anywhere, and malloc.c doesn't exist.
4845 Substitute in variables needed to generate *config.h.
4846 Stop lying about the dependencies contained in CONFIG_H and
4847 GCONFIG_H.
4848 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4849 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4850 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4851 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4852 $(TM_P_H), etc. as appropriate.
4853
4854 * config.gcc: Zap references to deleted files.
4855 * ggc-none.c: Don't include rtl.h or tm_p.h.
4856
4857 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4858 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4859 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4860 config/i386/xm-linux.h, config/i386/xm-linux.h,
4861 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4862 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4863 Don't include i386/xm-i386.h.
4864
4865 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4866 config/i386/xm-i386.h, config/i860/xm-i860.h,
4867 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4868 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4869 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4870 Delete (empty except comments, #includes of other deleted
4871 files, and macros used nowhere).
4872
2faf6b96
JH		 4873Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4874
4875 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4876 independent on TARGET_FLAGS.
4877
3f3f2124
JH		 4878Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4879
4880 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
11642c3a
ZW		 4881
4882 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4883 extended ones.
4884 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4885 TARGET_64BIT.
4886 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4887 LAST_REX_SSE_REG): define.
3f3f2124
JH		 4888 (enum reg_class): Add 'LEGACY_REGS'
4889 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4890 (SSE_REGNO_P): Recognize extended registers.
4891 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4892 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
11642c3a
ZW		 4893 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4894 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3f3f2124
JH		 4895 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4896 REG_OK_FOR_STRREG_P): Remove.
4897 (HI_REGISTER_NAMES): Add extended registers.
4898 (ADDITIONAL_REGISTER_NAMES): Likewise.
4899 (QI_REGISTER_NAMES): Add 8bit extended registers.
4900 (DEBUG_REG): Support extended registers.
4901 * i386.c (regclass_map): Add extended registers.
4902 (dbx_register-map): Likewise.
4903 (svr4_dbx_register_map): Likewise.
4904 (print_reg): Support extended registers.
4905 (print_operand): Support 64bit operands.
4906
65d9c0ab
JH		 4907Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4908
4909 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4910 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4911 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4912 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4913 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4914 STACK_BOUNDARY): Set properly for 64bits.
4915 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4916 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4917 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4918 (MOVE_MAX): Set to 16.
4919 (MOVE_MAX_PIECES): 8 for 64bit.
4920 (Pmode): Set to SImode.
4921
dc647e99
MS		 4922Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4923
4924 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4925
25f94bb5
JH		 4926Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4927
4928 * i386.h (mask_64bit): New constant.
4929 (target_64bit): New macro.
4930 (target_options): Add '64'/'32'
4931 (target_default): Define.
4932 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4933 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4934 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4935
8b737c83
JL		 4936Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4937
4938 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4939
e7d96a83
JW		 4940Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4941
4942 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4943 LO_SUM unless for_alias is set.
4944
4ce693cd
SS		 49452001-03-08 Stan Shebs <shebs@apple.com>
4946
4947 * objc/objc-act.c: Fix old typos in comments, add comments for
4948 various functions.
4949 (hash_init): Fix file name in error message.
4950 (hash_enter): Ditto.
4951 (hash_add_attr): Ditto.
4952 (continue_class): Ditto.
4953
0bf679a3
BK		 49542001-03-08 Bruce Korb <bkorb@gnu.org>
4955
4956 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
11642c3a 4957 wait4() can receive the signal.
0bf679a3 4958
786b0d35
RO		 4959Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4960
4961 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4962 entities.
4963 * fixinc/fixincl.x: Regenerate.
4964
4965Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4966
4967 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4968 on Tru64 UNIX.
4969 * fixinc/fixincl.x: Regenerate.
4970
b7460f24
RH		 49712001-03-08 Richard Henderson <rth@redhat.com>
4972
4973 * configure.in (HAVE_AS_LEB128): New assembler check.
4974 * configure, config.in: Rebuilt.
4975
cadcffb3
JH		 4976Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4977
4978 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4979 TFmode too.
4980
b19a539e
KG		 49812001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4982
4983 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4984 references to the MAXPATHLEN macro.
4985
4986 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4987 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4988 the POSIX macro.
4989
4990 * config/i386/xm-gnu.h, config/xm-gnu.h,
4991 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4992 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4993 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4994 and/or unused files.
4995
4996 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4997 doing so in various xm-*.h files.
4998
4082ab0f
RK		 4999Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5000
5001 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5002
c785e0fa
AO		 50032001-03-08 Alexandre Oliva <aoliva@redhat.com>
5004
5005 * configure.in (enable_shared): Support per-package shared-library
5006 enabling.
5007 * configure: Rebuilt.
5008
251b3667
DE		 50092001-03-07 David Edelsohn <edelsohn@gnu.org>
5010
5011 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5012 for crnot. Set operands[5] in splitter.
5013
cf30ef80
KG		 50142001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5015
5016 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5017 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5018 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5019 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5020 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5021 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5022 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5023 to the USG macro.
5024
5025 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5026 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5027 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5028 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5029 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5030 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5031 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5032 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5033 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5034 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5035 Delete unused and/or empty files.
5036
5037 * config.gcc: Define USG in xm_defines as appropriate. Define
5038 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5039 macro. Remove deleted xm-* files from $xm_files variable.
5040
75382c6d
TT		 50412001-03-07 Tom Tromey <tromey@redhat.com>
5042
5043 * configure: Rebuilt.
5044 * configure.in: Allow config-lang.in to set `lang_requires' to list
5045 of other required languages.
5046
c874ab11
AM		 50472001-03-07 Andrew MacLeod <amacleod@redhat.com>
5048
5049 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5050 after its emitted.
5051 (output_prologue): Use xmalloc not oballoc.
5052 (output_epilog): Free a29k_first_epilogue_insn when finished.
5053 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5054
de6c5979
BL		 50552001-03-07 Brad Lucier <lucier@math.purdue.edu>
5056
5057 * builtins.c (expand_builtin_mathfn): Check
5058 flag_unsafe_math_optimizations, not flag_fast_math.
5059 (expand_builtin): Likewise
5060 * combine.c (combine_simplify_rtx): Likewise.
5061 (simplify_if_then_else): Likewise.
5062 * cse.c (fold_rtx): Likewise.
11642c3a 5063 * flags.h: Remove flag_fast_math. Add
de6c5979
BL		 5064 flag_unsafe_math_optimizations and flag_trapping_math.
5065 * fold-const.c (negate_expr): Check
5066 flag_unsafe_math_optimizations, not flag_fast_math.
5067 (invert_truthvalue): Likewise.
5068 (fold): Likewise. Before associating operands, check that
5069 code == MULT_EXPR, not code != MULT_EXPR.
5070 * ifcvt.c (noce_try_minmax): Check
5071 flag_unsafe_math_optimizations, not flag_fast_math.
5072 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5073 * invoke.texi: Document -funsafe-math-optimizations and
5074 -fno-trapping-math. Change documentation for -ffast-math.
5075 * jump.c (reversed_comparison_code_parts): Likewise.
5076 (rtx_equal_for_thread_p): Likewise.
5077 * optabs.c (emit_conditional_move): Likewise.
5078 * simplify-rtx.c (simplify_binary_operation): Likewise.
5079 (simplify_relational_operation): Likewise.
5080 (simplify_ternary_operation): Likewise.
5081 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5082 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5083 Add trapping-math and unsafe-math-optimizations entries to f_options.
5084 (set_fast_math_flags): New, sets flags for -ffast-math.
5085 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5086 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5087 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5088
5089 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5090 (alpha_emit_conditional_move): Initialize local_fast_math to
5091 flag_unsafe_math_optimizations, not flat_fast_math.
5092 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5093 instead of setting flag_fast_math to 1.
5094 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5095 not flag_fast_math.
5096 * config/i386/i386.c (override_options): Likewise
5097 * config/i386/i386.md: Likewise.
5098 * config/m68k/m68k.md: Likewise.
5099 * config/mips/mips.md: Likewise.
5100 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5101 (rs6000_generate_compare): Likewise.
5102
6822468a
LB		 51032001-03-07 Laurynas Biveinis <lauras@softhome.net>
5104
11642c3a
ZW		 5105 * Makefile.in: Set RANLIB to @RANLIB@.
5106 Remove RANLIB_TEST.
6822468a
LB		 5107
51082001-03-07 Laurynas Biveinis <lauras@softhome.net>
11642c3a 5109
6822468a
LB		 5110 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5111 * fixinc/fixincl.x: Regenerated.
5112
6e487492
RH		 51132001-03-07 Richard Henderson <rth@redhat.com>
5114
5115 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5116
542d73ae
RH		 51172001-03-07 Richard Henderson <rth@redhat.com>
5118
5119 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5120 of block notes and exception handling notes.
5121
232f749b
RH		 5122 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5123 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5124 (compile_file): ... here.
5125
ed173cc9
KG		 51262001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5127
5128 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5129
5130 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5131 config.h now. Include libiberty.h to handle alloca.
5132
cc937581
ZW		 51332001-03-06 Zack Weinberg <zackw@stanford.edu>
5134
5135 * c-parse.in (yylexname): New function, split out of _yylex.
5136 (objc_rid_sans_at): New table.
5137 (init_reswords): Initialize it.
5138 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5139 retrieving the next token and checking it for significance as
5140 an ObjC keyword or string constant.
5141
5142 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5143 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5144
5145 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5146 to CPP_OSTRING.
5147
07ed7ecf
SM		 51482001-03-06 Stephen L Moshier <moshier@mediaone.net>
5149
5150 * config/m68k/m68k.c (const_uint32_operand): Accept any
5151 const_int on a 32-bit host.
5152
805c6c57
NP		 51532001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5154
5155 * objc/objc-act.c (init_objc): Set save_lang_status,
5156 restore_lang_status, and mark_lang_status.
5157
d2f65b7b
KW		 51582001-03-06 Krister Walfridsson <cato@df.lth.se>
5159
5160 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5161
a867b80c
NB		 51622001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5163
5164 * cppinternals.texi: Update.
5165
68527d81
KG		 51662001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5167
5168 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5169 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5170 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5171 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5172 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5173 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5174 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5175 config/i386/xm-i386.h, config/i860/xm-i860.h,
5176 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5177 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5178 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5179 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5180 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5181 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5182 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5183 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5184 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5185 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5186 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5187 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5188 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5189 match the defaults provided in hwint.h.
5190
5191 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5192 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5193
5194 * config.gcc (xm_file): Don't set to files which are deleted.
5195
5196 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5197 guard this file against these macros being undefined.
5198
69f8cbfa
ZW		 51992001-03-06 Zack Weinberg <zackw@stanford.edu>
5200
5201 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5202 and DECL_DEFER_OUTPUT on the decl we create, before calling
5203 rest_of_decl_compilation.
5204
1f50aafb
ZW		 52052001-03-06 Zack Weinberg <zackw@stanford.edu>
5206
5207 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5208 AC_FUNC_ALLOCA.
5209 * configure, config.in: Regenerate.
5210 * config.gcc: Remove references to deleted files.
5211
5212 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5213 genrecog.c, rtl.c: Do not use alloca anywhere.
5214
5215 * Makefile.in, build-make, system.h, config/x-interix,
5216 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5217 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5218 config/arc/xm-arc.h, config/arm/xm-arm.h,
5219 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5220 config/h8300/xm-h8300.h, config/i370/x-oe,
5221 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5222 config/i386/x-ncr3000, config/i386/x-sco5,
5223 config/i386/xm-dgux.h, config/i860/x-sysv4,
5224 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5225 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5226 config/m68k/x-hp320g, config/m69k/x-mot3300,
5227 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5228 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5229 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5230 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5231 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5232 config/mips/x-iris, config/mips/x-iris3,
5233 config/mips/x-sni-svr4, config/mips/x-sysv,
5234 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5235 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5236 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5237 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5238 config/pa/xm-papro.h, config/romp/xm-romp.h,
5239 config/rs6000/x-aix31, config/rs6000/x-aix41,
5240 config/rs6000/x-beos, config/rs6000/x-lynx,
5241 config/rs6000/x-mach, config/rs6000/x-rs6000,
5242 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5243 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5244 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5245 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5246 config/vax/xm-vms.h: Eradicate all references to alloca and
5247 related stuff.
5248
5249 * config/xm-alloca.h, config/clipper/x-clix,
5250 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5251 config/i860/x-sysv3, config/m88k/x-sysv3,
5252 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5253 (contained only alloca related hacks).
5254
5255 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5256 USE_C_ALLOCA.
5257
d97b75be
BL		 52582001-03-05 Brad Lucier <lucier@math.purdue.edu>
5259
5260 * invoke.texi: Document __FAST_MATH__.
5261
1b5640cd
KG		 52622001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263
5264 * crtstuff.c: Restore include of auto-host.h.
5265
aa5b94de
FH		 52662001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5267
5268 Put main() in a separate file, so that the language
5269 front-end can use a different main().
5270
5271 * main.c: New.
5272 * toplev.c: (main): Rename as toplev_main.
5273 * toplev.h: Declare toplev_main.
5274 * Makefile.in (OBJS): add toplev.o.
5275 (BACKEND): remove toplev.o, add main.o.
5276
04c8d9b9
NB		 52772001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5278
5279 * cppfiles.c (search_from): Special case the empty string.
5280
7868b4a2
NB		 52812001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5282
5283 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5284 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5285 strlen or strcpy; we already know the length.
5286 (_cpp_compare_file_date): Similarly.
5287 * cpphash.h (struct cpp_reader): Delete done_initialising.
5288 (CPP_PREV_BUFFER): Delete.
5289 * cppinit.c (cpp_start_read): Don't set done_initialising.
5290 * cpplex.c (parse_string): Guarantee null-termination.
5291 (_cpp_equiv_toklists): Remove.
5292 * cpplib.c (glue_header_name): Null-terminate.
5293 (do_line): Don't leak memory.
5294 * cpplib.h (BT_WEAK): Delete.
5295 * cppmain.c (cb_ident): Strings are now null-terminated.
5296
52972001-03-04 Laurynas Biveinis <lauras@softhome.net>
5298
5299 * gcc.c (convert_filename): Append executable suffix
5300 if NO_AUTO_EXE_SUFFIX is not defined.
5301 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5302 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
91c704c4 5303
7e7be827 53042001-03-03 David O'Brien <obrien@FreeBSD.org>
1f50aafb 5305
7e7be827
DB		 5306 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5307 * c-parse.gperf, c-gperf.h: Delete.
69f8cbfa
ZW		 5308 (c-gperf.h was accidently re-added to the CVS repo in the rev
5309 1.16 commit by tromey)
7e7be827 5310
e8408f25
NB		 53112001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5312
5313 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5314 macro arguments when looking for the '('.
5315 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5316 2 when really parsing arguments; 1 when looking for '('.
5317 Always restore the lexer position.
5318
1d67c69a
NB		 53192001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5320
5321 * longlong.h (umul_ppmm): Don't use a multiline string.
5322
f6242907
JDA		 53232001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5324
5325 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5326 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5327 t_bool in declaration because pcc can't combine volatile with typedef
5328 types.
5329
bf71a4f8
JH		 5330Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5331
5332 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5333 until when it is really needed.
5334 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5335 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5336 * i386.md (float?i?f splitter): Don't force source operand to memory
5337 for SSE.
5338 (sse_movdfcc): Fix constraint.
5339 (sse_movdfcc splitter): Handle properly the second alternative.
5340
795a25f4
NB		 53412001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5342
20f9202d 5343 * cpplex.c (parse_string): Unconditionally pedwarn.
795a25f4 5344
c691145a
NB		 53452001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5346
20f9202d 5347 * cpp.texi: Update.
1f50aafb 5348 * cppexp.c (parse_number): Update.
20f9202d
DB		 5349 * cpplex.c (parse_string): Pedwarn if multiline string does not
5350 result from a system header's macro.
5351 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5352 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5353 for function-like macros too.
c691145a
NB		 5354 * c-lex.c (lex_number): Update.
5355
e7f4d38a
RH		 53562001-03-03 Richard Henderson <rth@redhat.com>
5357
5358 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5359
5dd3e650
R		 5360Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5361
5362 * combine.c (try_combine): If split with mode-changed scratch
5363 register didn't work, try the original mode.
5364
31a02448
R		 5365Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5366
5367 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5368 * config/c4x/c4x.h: Likewise.
5369 * stor-layout.c (compute_record_mode): Likewise.
5370 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5371
eaf4e618
ZW		 53722001-03-02 Zack Weinberg <zackw@stanford.edu>
5373
5374 * configure.in: Kill tm.h. Include the files in the $tm_file
5375 list in all three of config.h, hconfig.h, tconfig.h, after the
5376 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5377 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5378 * configure: Regenerate.
5379 * Makefile.in (clean): Don't delete tm.h.
5380
5381 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5382 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5383 those are not defined, set SEC and FEC to 0 and 1.
5384 * gcc.texi: Update to match.
5385
5386 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5387 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5388 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5389 Include tconfig.h, not tm.h.
5390
5391 * config/xm-lynx.h, config/xm-std32.h,
5392 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5393 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5394 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5395 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5396 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5397 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5398 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5399 config/i386/xm-i386.h, config/i860/xm-i860.h,
5400 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5401 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5402 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5403 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5404 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5405 config/pa/xm-linux.h, config/pa/xm-pa.h,
5406 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5407 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5408 config/pj/xm-pj.h, config/romp/xm-romp.h,
5409 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5410 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5411 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5412 config/v850/xm-v850.h, config/vax/xm-vax.h,
5413 config/we32k/xm-we32k.h:
5414 Don't include tm.h.
5415 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5416
5417 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5418 config/i370/xm-oe.h: Don't include tm.h. Don't define
5419 SUCCESS_EXIT_CODE.
5420 * config/vax/xm-vms.h: Don't include tm.h.
5421
5422 * config/xm-lynx.h, config/avr/xm-avr.h,
5423 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5424 Delete; made empty by above changes.
5425 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5426 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5427 Don't include config/xm-lynx.h or tm.h.
5428
5429 * config/xm-gnu.h: Don't include fcntl.h.
5430 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5431 sys/wait.h.
5432 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5433
1a7519ff
RH		 54342001-03-02 Richard Henderson <rth@redhat.com>
5435
5436 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5437 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5438
2e4b9b8c
RH		 54392001-03-02 Richard Henderson <rth@redhat.com>
5440
5441 * Makefile.in (OBJS): Add dwarf2asm.o.
5442 * dwarf2asm.c, dwarf2asm.h: New files.
5443 * dwarf2out.c (*): Use them.
5444 (size_of_uleb128, size_of_sleb128): Remove.
5445 (output_uleb128, output_sleb128): Remove.
5446 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5447 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5448 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5449 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5450 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5451 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5452 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5453 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5454 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5455 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5456 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5457 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5458 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5459 (dwarf2out_frame_debug): Remove unused variables.
5460 (output_loc_operands): Don't abort on 8 byte constants if
5461 host integers are wide enough.
5462 (output_symbolic_ref): Remove.
5463 (size_of_die): Don't assume 4 byte host integers.
5464 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5465 and end labels.
5466 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5467 something stupid with HOST_WIDE_INT to long truncation.
5468 [CONST_DOUBLE]: Likewise.
5469
5470 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5471 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5472 * config/arm/unknown-elf.h: Likewise.
5473 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5474 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5475 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5476 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5477 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5478 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5479 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5480 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5481 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5482 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5483 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5484 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5485
dc76f41c
JDA		 54862001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5487
5488 * cselib.c (hash_rtx): Cast enums to unsigned int.
5489
dbbbbf3b
JDA		 54902001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5491
5492 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5493 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5494 shifts.
5495 * c-format.c (C_STD_VER): Cast to int for comparisons.
5496 (check_function_format): Cast various enums to int for &.
5497 (maybe_read_dollar_number): Likewise.
5498 (check_format_info): Likewise.
5499 (check_format_info_main): Likewise.
5500 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5501 (safe_from_p): Likewise.
5502 * varasm.c (const_hash): Cast enum to int for %.
5503 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5504 pcc enum problems with < and ++ operators.
5505 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5506 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5507 (regclass_init): Change enum class to int to iterate over reg_classes.
5508 * genrecog.c (merge_trees): Cast enums for comparison.
5509 * rtl.h (GET_CODE): Cast to enum rtx_code.
5510 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5511 (GET_MODE): Cast to enum machine_mode.
5512 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5513 (GET_NOTE_INSN_NAME): Cast enum to int.
5514 * tree.h (TREE_CODE): Cast to enum tree_code.
5515 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
eaf4e618 5516 * timevar.c (timevar_print): Change loop variable id from enum to
dbbbbf3b
JDA		 5517 unsigned int.
5518 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5519 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5520 * toplev.c (compile_file): Cast enum DFI to int.
5521 (decode_d_option): Likewise.
5522
4737b274
CF		 5523Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5524
5525 * cppinit.c (append_include_chain): Mark "after" include file name list
5526 as a system directory.
5527 * cpp.texi: Document new behavior.
5528
68af29ce
JH		 5529Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5530
5531 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5532
591e15a1
NB		 55332001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5534
eaf4e618
ZW		 5535 * cppfiles.c (struct include_file): Update.
5536 (stack_include_file): Use search_from.
5537 (cpp_included, find_include_file): Update.
5538 (cpp_execute_include): Update. ptr->name may not be
5539 null terminated. Use the new search_from member variable
5540 of cpp_buffer.
5541 (_cpp_compare_file_date): Similarly.
5542 (search_from): New function, similiar to actual_directory.
5543 (actual_directory): Delete.
5544 (remap_filename): Update. loc->name may not be null terminated.
5545 (struct file_name_list): Rename search_path. Update.
5546 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5547 search_from and dir.
5548 (struct cpp_reader): Remove actual_dirs.
5549 * cppinit.c (struct cpp_pending): Update for renamed objects.
5550 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5551 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5552 * cpplib.h (struct cpp_options): Similarly.
591e15a1 5553
d6edb99e
ZW		 55542001-03-01 Zack Weinberg <zackw@stanford.edu>
5555
5556 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5557 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5558 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5559 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5560 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5561 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5562 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5563 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5564 config/i370/xm-oe.h, config/i386/xm-aix.h,
5565 config/i386/xm-i386.h, config/i386/xm-osf.h,
5566 config/i860/xm-i860.h, config/i960/xm-i960.h,
5567 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5568 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5569 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5570 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5571 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5572 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5573 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5574 config/pj/xm-pj.h, config/romp/xm-romp.h,
5575 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5576 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5577 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5578 config/v850/xm-v850.h, config/vax/xm-vax.h,
5579 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5580 Do not define TRUE or FALSE.
5581
5582 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5583 empty by above change.
5584 * config.gcc: Remove references to these files.
5585
5586 * configure.in: Detect stdbool.h.
5587 * configure, config.in: Regenerate.
eaf4e618 5588 * system.h: Include stddef.h here if available.
d6edb99e
ZW		 5589 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5590 Then set up a sensible boolean type at the very end.
5591
5592 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5593 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5594
5595 * hash.h: Delete 'boolean' typedef and related #undefs.
5596
5597 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5598 all uses of 'boolean' with 'bool'.
5599
37b8524c
JDA		 56002001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5601
5602 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5603 * cppexp.c (lex): Cast enums for comparison.
5604 * cppinit.c (parse_option): Cast enum for comparison.
5605 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5606 (cpp_output_token): Likewise.
5607 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5608 (cpp_avoid_paste): Cast enums for minus and comparison.
5609
f7143427
ZW		 56102001-03-01 Zack Weinberg <zackw@stanford.edu>
5611
5612 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5613 field to all array elements.
5614
cb773845
ZW		 56152001-03-01 Zack Weinberg <zackw@stanford.edu>
5616
5617 * cpphash.h (struct cpp_reader): Add print_version field.
5618 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5619 just set print_version and other flags as appropriate.
5620 (cpp_post_options): Print version here if print_version is set.
5621
5622 * toplev.c (exit_after_options): New flag.
5623 (independent_decode_option): Don't exit here; just set
5624 exit_after_options.
5625 (main): Exit after calling lang_hooks.post_options if
5626 exit_after_options is true.
5627
5628 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5629 (merge_include_chains): Adjust comment to match code.
5630
71b7be38
ZW		 56312001-03-01 Zack Weinberg <zackw@stanford.edu>
5632
5633 * stringpool.c (set_identifier): New function.
5634 * tree.h: Prototype it.
5635
5636 * c-parse.in: Kill D_YES. If compiled for objc, call
5637 save_and_forget_protocol_qualifiers from init_reswords.
5638 * objc/objc-act.c (remember_protocol_qualifiers,
5639 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5640 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5641 vice versa.
5642 (save_and_forget_protocol_qualifiers): New function.
5643 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5644
5aa709ad
DN		 56452001-03-01 Diego Novillo <dnovillo@redhat.com>
5646
5647 * c-semantics.c (prune_unused_decls): Return error_mark_node
5648 instead of (tree) 1 to stop traversing the tree chain.
5649
791f5e8d
BS		 56502001-03-01 Bernd Schmidt <bernds@redhat.com>
5651
5652 Fix a problem introduced by Kenner's Feb 18 change.
5653 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5654 flag_cse_skip_blocks only temporarily, not for ever.
5655
9c1eed37
JL		 5656Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5657
913553ce
JL		 5658 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5659 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5660
9c1eed37
JL		 5661 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5662 before determining its register class.
5663
21e4c9a8
BS		 56642001-03-01 Bernd Schmidt <bernds@redhat.com>
5665
8cb71435
BS		 5666 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5667 from reg 4 if current_function_calls_setjmp.
7a87c39c
BS		 5668 (gen_nop_type): New function.
5669 (ia64_emit_nops): New function.
5670 (ia64_reorg): Call it.
2d1b811d 5671 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8cb71435 5672
1abdf5e7
BS		 5673 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5674 code not to try to optimize adds with anything but a REG destination.
5675
21e4c9a8
BS		 5676 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5677 (INSN_PRIORITY_KNOWN): New accessor macro.
5678 * haifa-sched.c (priority): Use it instead of testing priority against
5679 zero.
5680
d676911f
DD		 56812001-02-28 DJ Delorie <dj@redhat.com>
5682
5683 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5684 since that doesn't work the way gcc wants on a generic m68k.
5685
d448e3e9
RH		 56862001-02-28 Richard Henderson <rth@redhat.com>
5687
5688 * caller-save.c (save_call_clobbered_regs): Fix typo in
5689 comparison last change.
5690
b4e89e2d
JH		 5691Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5692
5693 * i386.c (pentium4_cost): New.
5694 (m_PENT4): New macro.
5695 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5696 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5697 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5698 x86_memory_mismatch_stall): Add Pentium4
5699 (x86_use_q_reg, x86_use_any_reg): Kill.
5700 (override_options): Add pentium4.
5701 (incdec_operand): Return 0 for pentium4.
5702 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5703 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5704 (TARGET_PENTIUM4): Define.
5705 (enum processor_type): Add PROCESSOR_PENTIUM4.
5706 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5707 * i386.md (attribute "cpu"): Add pentium4.
5708 * invoke.texi (march): Add pentium4.
5709
0073023d
JH		 5710Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5711
5712 * i386.md (sse_mov?fcc*): New patterns and splitters.
5713 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5714 the SSE based conditional moves.
5715
2b04e52b
JH		 5716Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5717
5718 * i386.md (attribute mode): Add "TI".
5719 (movsf_1): Add pxor support; remove constant propagation splitter.
5720 (movdf_integer): Likewise.
5721 (movdf_nointeger): Likewise.
5722 (movxf constant prop splitter): Handle all modes; update for SSE.
5723 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5724 * i386.c (standard_80387_constant_p): Rewrite.
5725 (standard_sse_constant_p): New.
5726 * i386-protos.h (standard_sse_constant_p): New.
5727
a46d1d38
JH		 5728Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5729
5730 * i386.md (sse_setccsf, sse_setccdf): New.
5731 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5732 flag directly.
5733 * i386.c (sse_comparison_operator): Accept the supported unordered
5734 comparses; be ready for fast_math.
5735 (print_operand): Support 'D'.
5736
91afe941
JH		 5737Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5738
5739 * jump.c (reversed_comparison_code): Kill.
5740
6f45f005
JH		 5741Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5742
5743 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5744 for STACK_REGS
5745
c679d048
JH		 5746Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5747
5748 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5749 add missing '%' in constraints.
5750
4ae31003
JH		 5751Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5752
5753 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5754 for HOST_BITS_PER_WIDE_INT == 32 too.
5755
787dc842
JH		 5756Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5757
5758 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5759 NREGS.
5760 (insert_save, insert_restore): New parameter save_mode.
5761 (init_caller_save): Update initialization of reg_save_code
5762 and reg_restore_code.
5763 (save_call_clobbered_regs): Compute save_modes and update calls to
5764 reg_save_code and reg_restore_code.
5765 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5766 of spill; update use of reg_restore_code.
5767 (insert_save): Likewise.
5768 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5769 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5770 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5771
5772Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
dc2698bc
JH		 5773
5774 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5775 noce_try_store_flag_inc, noce_try_store_flag_mask,
5776 noce_try_cmove_arith):
5777 Use reversed_comparison_code instead of reverse_comparison and
5778 can_reverse_comparison_p.
5779
2450703c
JH		 5780Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5781
5782 * jump.c (reversed_comparison_code_parts): Allow reversal of
5783 unordered compares in -ffast-math mode; reverse ordered compares
5784 for FP even w/o -ffast-math.
5785
25cff714
RH		 57862001-02-27 Richard Henderson <rth@redhat.com>
5787
5788 * print-rtl.c (print_rtx) [i]: Don't print field five on
5789 NOTEs other than NOTE_INSN_DELETED_LABEL.
5790
26029fe2
ZW		 57912001-02-27 Zack Weinberg <zackw@stanford.edu>
5792
5793 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5794 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5795
87aee676
DN		 57962001-02-27 Diego Novillo <dnovillo@redhat.com>
5797
5798 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5799 even if walk_subtrees is 0.
5800 * c-semantics.c (prune_unused_decls): Return a non-null value to
5801 stop traversing the tree chain.
5802
67935d3f
DD		 58032001-02-27 DJ Delorie <dj@redhat.com>
5804
5805 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5806 register, *then* define it as the new CFA.
5807
7ee72796
JL		 5808Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5809
5810 * pa.c (override_options): Promote -fpic to -fPIC.
5811 (legitimize_pic_address): Simplify due to removal of
5812 small PIC as a code generation option.
5813 (secondary_reload_class): Similarly.
5814 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5815 (PRINT_OPERAND_ADDRESS): Similarly.
5816 * pa.md (various patterns): Similarly.
5817 (small pic lo_sum pattern): Remove.
5818
b71b019a
JH		 5819Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5820 Fergus Henderson
5821
5822 * md.texi (min, max): Document
d6edb99e 5823
79005df5
JH		 5824Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5825
5826 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5827 TARGET_PARTIAL_REG_DEPENDENCY.
5828 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5829
7ada6625
JH		 5830Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5831
5832 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5833
8bb3dc77
JO		 58342001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5835
5836 * mips.c (mips_make_temp_file): Fix thinko in last change.
5837
ac4cdf40
JE		 58382001-02-26 Jason Eckhardt <jle@redhat.com>
5839
5840 * combine.c (known_cond): Do not reverse the condition when
d6edb99e 5841 SMAX/UMAX is being considered and the condition is for equality
ac4cdf40
JE		 5842 or inequality.
5843
5844 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5845
14879e76
PB		 58462001-02-26 Philip Blundell <philb@gnu.org>
5847
5848 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5849 "armv2-*-linux".
5850 * config/arm/linux-elf.h: Remove historical relics related to
5851 above configurations.
5852 * config/arm/linux-oldld.h: Delete.
5853 * config/arm/linux-elf26.h: Delete.
5854
8cf8d8a2
JM		 58552001-02-26 Jason Merrill <jason@redhat.com>
5856
5857 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5858 definitions.
5859 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5860 recognize a tentative definition. Lose obsolete code.
5861
5862 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5863 variables unless necessary, either.
5864
05cc23e8
RH		 58652001-02-25 Richard Henderson <rth@redhat.com>
5866
5867 * ifcvt.c (struct noce_if_info): Add test_bb.
5868 (noce_get_alt_condition): New.
5869 (noce_try_minmax, noce_try_abs): New.
5870 (noce_operand_ok): New.
5871 (noce_process_if_block): Use them.
5872 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5873
052d4b6c
CF		 5874Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5875
5876 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5877 include.
5878
e1b71de9
ZW		 58792001-02-25 Zack Weinberg <zackw@stanford.edu>
5880
5881 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5882 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5883 properly.
5884 (mips_asm_file_end): Free temp_filename here.
5885
4ddb47b3
RK		 5886Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5887
397be6cf
RK		 5888 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5889 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5890
4ddb47b3
RK		 5891 * config/i386/i386.md (movstrsi): Handle FAIL case.
5892
618cdda7
NB		 58932001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5894
05cc23e8
RH		 5895 * cppinit.c (builtin_array): Update.
5896 (init_builtins): Flag builtins to warn if redefined or
5897 undefined. Define __GXX_WEAK as a normal macro.
5898 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5899 * cpplib.h (NODE_WARN): New flag.
5900 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5901 Handle __STDC__ as a builtin only on Solaris.
5902 (warn_of_redefinition): Renamed from check_macro_definition.
5903 Reverse sense of test. Always warn if NODE_WARN.
5904 (_cpp_create_definition): Use warn_of_redefinition. Flag
5905 any macro beginning with "__STDC_" to require a mandatory
5906 warning if redefined or undefined.
618cdda7 5907
000b5f54
ZW		 59082001-02-24 Zack Weinberg <zackw@stanford.edu>
5909
5910 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5911 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5912 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5913 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5914 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5915 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5916 Don't define any of:
5917 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5918 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5919 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5920 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5921 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5922
5923 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5924 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5925 definitions.
5926
5927 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5928 Delete now-empty file.
5929
5930 * alpha/vms.h: Define NEED_ATEXIT here...
5931 * alpha/xm-vms.h: ...not here.
5932
5933 * i386/cygwin.h: Don't define PARAMS.
5934 * mips/mips.c: Don't prototype mktemp. Don't define
5935 P_tmpdir. Use make_temp_file to create temporary files.
5936 Don't be clever and delete temporary files early.
5937 * config.gcc: Drop references to deleted files. Don't define
5938 FULL_PROTOTYPES.
5939 * gcc.texi: Don't mention USE_PROTOTYPES.
5940
0e4970d7
RK		 5941Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5942
5943 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5944 (ix86_set_move_mem_attrs_1): Likewise.
5945 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5946 * config/i386/i386.md (movstrsi): Call it.
5947
a59b81be
ZW		 59482001-02-24 Zack Weinberg <zackw@stanford.edu>
5949
5950 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5951 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5952 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5953 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5954
5955 (i750a-*-*): Error here if hosting on i750a.
5956 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5957
5958 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5959 Remove (empty modulo comments).
5960
5961 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5962 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5963 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5964 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5965 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5966 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5967
5968 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5969 Remove reference to winnt.h in comment.
5970 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5971
c7b30677
FS		 59722001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5973
5974 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5975 used to set another biv.
5976
f900ecd8
RK		 5977Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5978
bd015d37
RK		 5979 * tree.h (BLOCK_DEAD): New macro.
5980 (struct tree_block): New flag, dead_flag.
5981 * print-tree.c (print_node, case 'b'): Print missing fields.
5982 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5983 * function.c (identify_blocks): Enable test for misplaced notes.
5984 (all_blocks): Skip BLOCK_DEAD blocks.
5985 * integrate.c (integrate_decl_tree): Likewise.
5986
f900ecd8
RK		 5987 * errors.c (internal_error, trim_filename): New functions.
5988 (fancy_abort): Call internal_error.
5989 * errors.h (internal_error, trim_filename): New declarations.
5990
0651fbc0
AO		 59912001-02-24 Alexandre Oliva <aoliva@redhat.com>
5992
5993 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5994 2000-08-26's patch.
5995 (EXTRA_CONSTRAINT): Formatting changes.
5996
5ea1bc0e
KG		 59972001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5998
5999 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6000
1aed31b6
PB		 60012001-02-23 Per Bothner <per@bothner.com>
6002
6003 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6004 so they can be called from java/jvspec.c.
6005 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6006
4dd2ac2c
JH		 6007Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6008
6009 * i386.c (ix86_frame): New structure.
6010 (ix86_compute_frame_size): Kill.
6011 (ix86_compute_frame_layout): New.
6012 (ix86_save_reg): New.
6013 (ix86_can_use_return_insn_p): Use frame layout stuff.
6014 (ix86_expand_prologue): Likewise.
6015 (ix86_expand_epilogue): Likewise.
6016 (ix86_initial_elimination_offset): Likewise.
6017 (ix86_nsaved_regs): Use ix86_save_reg.
6018 (ix86_emit_save_regs): Likewise.
6019
a686dbf8
JH		 6020Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6021
6022 * flow.c (find_sub_basic_blocks): New function.
6023 (split_block): Be ready for basic block introduced by CODE_LABEL.
6024 (commit_one_edge_insertion): Call find_sub_basic_block.
6025
6026 * flow.c (make_edges): Add edge from entry for blocks starting with
6027 label having ALTERNATE_NAME
6028
016030fe
JH		 6029Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6030
6031 * function.c (epilogue_done): Be ready for first basic block not
6032 containing PROLOGUE_END note.
6033 (reposition_prologue_and_epilogue_notes): Avoid placing
6034 PROLOGUE_END note between BASIC_BLOCK.
6035
c9212f33
JH		 6036Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6037
6038 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6039
4f0a3098
DD		 60402001-02-21 DJ Delorie <dj@redhat.com>
6041
6042 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6043 check for current_function_has_nonlocal_goto from 1999-11-12.
6044
e82a84c4
RK		 6045Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6046
fce687f8
RK		 6047 * diagnostic.c (trim_filename): No longer static.
6048 * toplev.h (trim_filename): Declare.
6049 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6050 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6051 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6052 (rtvec_check_failed_bounds): Likewise.
6053 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6054
3cc247a8
RK		 6055 * convert.c (convert_to_integer): Don't do unsigned unless result or
6056 both inputs are unsigned.
6057
ac50176d
RK		 6058 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6059 input overflows.
6060
9b58f739
RK		 6061 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6062
e82a84c4
RK		 6063 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6064
d5d063d7
JO		 60652001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6066
6067 * Makefile.in (resource.o): Add params.h dependence.
6068 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6069 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6070 * resource.c: Add dependence on params.h.
6071 (current_live_regs): Fix explanatory comment.
6072 (find_basic_block): Add new parameter to permit limiting search
6073 for a BARRIER.
6074 (mark_target_live_regs): Add new argument to find_basic_block call.
6075 (incr_ticks_for_insn): Likewise.
6076
3d7c9b7e
GDR		 60772001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6078
6079 * diagnostic.c (output_to_stream): Rename to
6080 output_buffer_to_stream. Loses the stream parameter.
6081 (init_output_buffer): Set diagnosic_buffer's stream.
6082 (flush_diagnostic_buffer): Adjust.
6083 (default_print_error_function): Likewise.
6084 (finish_diagnostic): Likewise.
6085 (verbatim): Likewise.
6086
6087 * diagnostic.h (struct output_buffer): Add `stream' field.
6088 (output_buffer_attached_stream): New macro.
6089
fba2c0cd
JJ		 60902001-02-23 Jakub Jelinek <jakub@redhat.com>
6091
6092 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6093 check if either operand is divisible by C.
6094 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6095 If type is signed, consider negative numbers as well.
6096
515edc9b
RH		 60972001-02-22 Richard Henderson <rth@redhat.com>
6098
6099 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6100 reach .text instead of gp-relative relocs.
6101 * config/ia64/crtend.asm (.init): Likewise.
6102
3844cd2e
AJ		 61032001-02-22 Andreas Jaeger <aj@suse.de>
6104
6105 * extend.texi (C++ Attributes): Fix typo.
6106
3f67ac08
DM		 61072001-02-21 David Mosberger <davidm@hpl.hp.com>
6108
6109 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6110 functions, drop current_function_args_info.words test.
6111 (ia64_compute_frame_size): Mark syscall_linkage functions as
6112 using eight input registers.
6113
89647e8a
LR		 61142001-02-21 Loren J. Rittle <ljrittle@acm.org>
6115 Bruce Korb <bkorb@gnu.org>
6116
6117 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6118 * fixinc/README: Document how to convert sed substitutions
6119 to format style c_fix-es.
6120 * fixinc/fixincl.x: regen
6121
e889f41a
JO		 61222001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6123
6124 * gcc.c: Add comment explaining how to add a command-line option.
6125 Add title to specs language comment.
6126
7521b913
JO		 61272001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6128
6129 * gcc.c (cc1_options): Add "-param".
6130 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6131 (option_map): Likewise.
6132 * toplev.c (display_help): Add entry for "--param".
6133 (independent_decode_option): Fix typographical error.
6134
82a127a9
CM		 6135Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6136 Bernd Schmidt <bernds@redhat.com>
6137 Jan Hubicka <jh@suse.cz>
6138
a59b81be 6139 * i386.c (function_arg_advance): Pass SSE arguments in registers.
82a127a9
CM		 6140 (function_arg): Likewise.
6141
2b71bf37
JH		 6142Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6143
6144 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6145
eb57ffec
KH		 61462001-02-21 Kazu Hirata <kazu@hxi.com>
6147
6148 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6149 character.
6150 (xorsi3): Likewise.
6151
ccfce8d2
JH		 6152Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6153
6154 * flow.c (init_propagate_block_info): Canon address and use single_set
6155 for killing dead memory stores.
6156
0443f602
JO		 61572001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6158
6159 * Makefile.in (reorg.o): Add params.h dependence.
6160 * params.def: Fix typographical error in comment.
6161 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6162 * params.h: Modify introductory comment.
6163 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6164 * reorg.c: Add dependence on params.h.
6165 (redundant_insn): Add parameterized throttle for search.
6166 (fill_simple_delay_slots): Add a comment explaining a variable.
6167 Move conditional out of loop, simplifying code.
6168 (fill_eager_delay_slots): Fix typographical error in comment.
6169
7e6d8ba1
AH		 61702001-02-20 Aldy Hernandez <aldyh@redhat.com>
6171
a59b81be 6172 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7e6d8ba1 6173
a59b81be
ZW		 6174 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6175 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7e6d8ba1 6176
5daf7c0a
JM		 61772001-02-21 Jason Merrill <jason@redhat.com>
6178
6179 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6180 (struct tree_decl): Add uninlinable bitfield.
6181 * c-decl.c (duplicate_decls): Set it.
6182 * integrate.c (function_cannot_inline_p): Check it.
6183
3844cd2e 6184 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5daf7c0a
JM		 6185 DW_AT_MIPS_linkage_name to abstract methods.
6186 (dwarf2out_abstract_function): Emit class context before calling
6187 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6188 (gen_subprogram_die): Remove obsolete code.
6189 (gen_member_die): Don't include clones in the member list.
6190 (gen_decl_die): Emit abstract info for clone origin.
6191 * dwarfout.c (output_type): Don't include clones in the member list.
6192 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6193 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6194 DECL_ABSTRACT on a function that already has it set.
6195
6196 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6197 (get_subprogram_die): Pass it in.
6198
3c88f366
RE		 61992001-02-21 Richard Earnshaw <rearnsha@arm.com>
6200
6201 * flow.c (mark_set_1): Make not_dead unsigned long. For
3844cd2e 6202 non-pseudos, use it as a bitmask of the hard regs that
3c88f366
RE		 6203 don't die.
6204
373e2177
NB		 62052001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6206
a59b81be
ZW		 6207 * cppfiles.c: Update comments.
6208 (_cpp_read_file): Don't check for NULL filenames any more.
6209 * cppinit.c (cpp_start_read): Don't do canonicalization of
6210 in_fname and out_fname. Use the passed file name exclusively.
6211 (_cpp_handle_options): Don't treat "-" as a command line option,
6212 but as a normal filename.
6213 (_cpp_post_options): Canonicalize in_fname and out_fname.
6214 * cppmain.c (printer_init): Don't check out_fname for NULL.
6215 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6216 (init_c_lex): Update, and use "" to represent stdin to CPP.
6217 (yyparse): Update.
373e2177 6218
75beacf8 62192001-02-20 Will Cohen <wcohen@redhat.com>
3844cd2e 6220
75beacf8
WC		 6221 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6222 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6223 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6224 fixunstfsi_libfunc.
6225
33011c35
SS		 62262001-02-20 Stan Shebs <shebs@apple.com>
6227
6228 * config/rs6000/rs6000.c (output_cbranch): Output branches
6229 on separate lines instead of using ';' to separate.
6230
c740cee2
NB		 62312001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6232
a59b81be 6233 * cppinit.c (set_lang): Move builtin handling to...
c740cee2
NB		 6234 (init_builtins): ...here.
6235 (_cpp_create_reader): Move call to set_lang.
6236
c9407e4c
MM		 62372001-02-20 Mark Mitchell <mark@codesourcery.com>
6238
6239 * stmt.c (expand_return): If an attempt is made to return the
6240 error_mar_node, treat the return like a return without a value.
6241
cd5a58e5
ZW		 62422001-02-19 Zack Weinberg <zackw@stanford.edu>
6243
6244 * sibcall.c (skip_copy_to_return_value): Call
6245 identify_call_return_value here, and return orig_insn if it
6246 returns zero. Hardret and softret arguments now unnecessary.
6247 (call_ends_block_p): Don't call identify_call_return_value here.
6248
6249 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6250 's' slots in RTXen.
6251 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6252 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6253
f8eb41cc
JL		 6254Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6255
6256 * pa.c (move_operand): Accept code to load the address of a
6257 symbol out of the DLT as a valid move operand.
6258 (print_operand, case 'A'): New to handle generating a DLT
6259 reference for a LO_SUM expression.
6260 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6261 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6262
75393169
JM		 62632001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6264
6265 * README, cpp.texi, gcc.texi, version.c: Update version number to
6266 3.1.
6267 * cpp.1, gcov.1, gcc.1: Regenerate.
6268
51d0f328
NB		 62692001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6270
a59b81be
ZW		 6271 * cppfiles.c (stack_include_file): Generate dependencies
6272 here, and manage include_count here too.
6273 (PRINT_THIS_DEP): Delete.
6274 (_cpp_execute_include): Do not generate dependencies here,
6275 apart from the case of a missing header. Do not manage
6276 include_count.
6277 (_cpp_read_file): Leave dependency generation to
6278 stack_include_file.
51d0f328 6279
c81460e4
JL		 6280Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6281
6282 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6283 target_cpu_default. Remove dead assignment to
6284 target_cpu_default.
6285
6df26b8f
JH		 6286Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6287
6288 * regclass.c (contains_reg_of_mode): Make global.
6289 (init_reg_sets): Remove contains_reg_of_mode; take into account
6290 CLASS_MAX_NREGS when looking for the proper mode.
6291 (dump_regclass): Dump only classes considered for the pseudo.
6292 (regclass): Use contains_reg_of_mode.
6293
4a88a060
JH		 6294Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6295
6296 * gcc.c (do_spec_1): 'n' for printing notices.
6297 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6298
0eac0e81
JH		 6299Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6300
6301 * reg-stack.c (next_flags_user): Use current_block->end
6302 (swap_rtx_condition): Look for next user if flags don't die;
6303 give up on CALL_INSNs; use current_block->end.
6304
e5c617ff
RK		 6305Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6306
6307 * sibcall.c (call_ends_block_p): New function.
6308 (optimize_sibling_and_tail_recursive_call): Use it.
6309
55de49e3
KH		 63102001-02-18 Kazu Hirata <kazu@hxi.com>
6311
63a262f1
KH		 6312 * config/h8300/h8300.md: Update copyright.
6313 (andsi3): Do not output an extra newline character.
55de49e3 6314
48aba75b
RK		 6315Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6316
6317 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6318 FNDECL may be unused.
6319
6320 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6321 follow jumps after first run.
6322 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6323 it doesn't change any jumps.
6324
3335f1d9
JL		 6325Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6326
6327 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6328 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6329 (mostlyclean): Corresponding changes.
6330 * rtlanal.c (hard-reg-set.h): Include.
6331 (rtx_unstable_p): Do not treat the argument pointer specially
6332 if it is not a fixed register.
6333 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6334
651a788e
RK		 6335Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6336
021921d0
RK		 6337 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6338 against last real insn in basic block.
6339 Rework to avoid gotos.
6340
fb0c0a12
RK		 6341 * Makefile.in (gcse.o): Now includes ggc.h.
6342 * gcse.c: Include ggc.h.
6343 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6344 (try_replace_reg): Remove warning of uninitialize variable.
6345 (process_insert_insn): Call invalid_insn_p to validate insn.
6346 * recog.c (insn_invalid_p): Now global.
6347 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6348 * recog.h (insn_invalid_p): New declaration.
6349
d659de97
RK		 6350 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6351
3ec6f1a9 6352 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
20636516 6353 assignments from FP constants since 'Y' output code can't handle it.
3ec6f1a9
RK		 6354 (eligible_for_sibcall_delay): Likewise.
6355
63c499dc
RK		 6356 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6357 Call fancy_abort directly, passing args.
6358 (print_rtl_and_abort): Now a macro, like fancy_abort.
6359
651a788e
RK		 6360 * final.c (output_operand_lossage): Use internal_error, not error.
6361
71641c15
RH		 63622001-02-18 Shane Nay <shane@agendacomputing.com>
6363
3844cd2e 6364 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
71641c15
RH		 6365 structure shift insns.
6366
63672001-02-18 Mark Mitchell <mark@codesourcery.com>
8fa33dfa
MM		 6368
6369 * invoke.texi (-fsquangle): Remove documentation.
6370 (-fname-mangling-version): Likewise.
6371
e1078cfc
LB		 63722001-02-18 Lars Brinkhoff <lars@nocrew.org>
6373
6374 * optabs.c (expand_abs): Remove reference to
6375 HAVE_contitional_arithmetic.
6376 * combine.c (simplify_set): Likewise.
6377
3bd24117
RH		 63782001-02-18 Richard Henderson <rth@redhat.com>
6379
6380 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6381 would be disrupted.
6382
5cada064
RH		 63832001-02-18 Richard Henderson <rth@redhat.com>
6384
31189758
RH		 6385 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6386
e491fe9a
RH		 6387 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6388
5cada064
RH		 6389 * reload1.c (reload_cse_simplify_set): Fix typo.
6390
751aa7cc
RK		 6391Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6392
e28a09a4
RK		 6393 * diagnostic.c (_fatal_insn): Decrement errorcount.
6394
d0a5eb32
RK		 6395 * invoke.texi (-I): Add note avoiding use for system header files.
6396
751aa7cc
RK		 6397 * rtl.h (add_clobbers): Remove duplicate declaration.
6398 * recog.h (added_clobbers_hard_reg_p): New declaration.
6399 * genemit.c (struct clobber_pat): New field has_hard_reg.
6400 (gen_insn): Record if added clobbers clobber hard reg.
6401 (gen_split): Avoid unused warning if number of operands is 0.
6402 (output_added_clobbers_hard_reg_p): New function.
6403 (main): Call it.
6404
4096479e
AM		 64052001-02-18 Alan Modra <alan@linuxcare.com.au>
6406
3844cd2e
AJ		 6407 * pa.c (hppa_expand_prologue): Simplify code storing return
6408 pointer. For large (>=8k) frames with a post_store, adjust stack
6409 pointer by 8k-64 first rather than by 64. When testing with
6410 VAL_14_BITS_P, always use the actual value rather than the value
6411 negated. Add blockage to prevent scheduling of spills before
6412 stack frame has been created.
6413 (hppa_expand_epilogue): Simplify code loading return pointer.
6414 Allow a slightly larger range for merge_sp_adjust_with_load case.
6415 When testing with VAL_14_BITS_P, always use the actual value.
31d68947 6416
4096479e
AM		 6417 * pa.c (pa_adjust_insn_length): Check that block move
6418 pattern is a set before looking at operands.
6419
9c2c54dc
MM		 64202001-02-17 Mark Mitchell <mark@codesourcery.com>
6421
68626d4f
MM		 6422 * fold-const.c (fold_binary_op_with_conditional_arg): New
6423 function, split out from ...
6424 (fold): ... here.
6425 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6426 conditional arms that throw exceptions.
6427
9c2c54dc
MM		 6428 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6429 looking at a BLOCK.
6430
7afe8c41
KG		 64312001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6432
6433 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6434 define HAVE_DECL_* to 1 to mask potential backup declarations.
6435 * configure: Regenerated.
6436
3747f3dc
MM		 64372001-02-17 Mark Mitchell <mark@codesourcery.com>
6438
6439 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6440
78adc5a0
RH		 64412001-02-17 Richard Henderson <rth@redhat.com>
6442
6443 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6444 when replacing a memory load with a register.
6445
e2373f95
RK		 6446Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6447 Jan Hubicka <jh@suse.cz>
6448
6449 * recog.c (validate_replace_src_1): New.
6450 (validate_replace_src_data): Likewise.
6451 (validate_replace_src): Use note_uses.
6452 * rtl.h (note_uses): Declare.
6453 * rtlanal.c (note_uses): New.
6454
b00b2cc2
JH		 6455Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6456
6457 * reg-stack.c (stack_def): Make field reg unsigned.
6458 (remove_regno_note): Unsignetize parameter.
6459
f5bbdc0c
JS		 64602001-02-16 Jes Sorensen <jes@linuxcare.com>
6461
6462 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6463 shladd_operand() call.
6464
6ee71e49 64652001-02-16 Bruce Korb <bkorb@gnu.org>
a59b81be 6466 Rodney Brown <RodneyBrown@mynd.com>
6ee71e49
BK		 6467
6468 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6469 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6470 machine restrictions
6471 * fixinc/fixincl.x: regen
6472
f85cc4cb
RK		 6473Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6474
172890a2
RK		 6475 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6476 Don't CSE a nop.
6477 (hash_scan_insn): Clean up calls to hash_scan_set.
6478 (compute_kill_rd): REGNO now unsigned.
6479 (try_replace_reg): Rework to use simplify_replace_rtx.
6480 (cprop_jump, cprop_cc0_jump): Likewise.
6481 (cprop_insn): Call find_reg_equal_equiv_note.
6482 Reflect changes to cprop_jump and cprop_cc0_jump.
6483
d6447708 6484 * recog.c (validate_replace_src): Replace in operands of
b71e8e84
RK		 6485 ZERO_EXTRACT in SET_DEST.
6486
f85cc4cb
RK		 6487 * cse.c (new_label_ref): New variable.
6488 (insert): Set it instead of recorded_label_ref.
6489 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6490 CODE_LABEL for this function, and not already in REG_LABEL note.
6491
f5df2e8c
JO		 64922001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6493
6494 * resource.c (mark_referenced_resources): Fix typo in introductory
6495 comment.
6496 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6497 string constant.
6498
a901fa64
JM		 64992001-02-16 Jason Merrill <jason@redhat.com>
6500
1edf43d6
JM		 6501 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6502 NULL.
3844cd2e 6503 (gen_subprogram_die): Don't abort on seeing a second definition if
1edf43d6
JM		 6504 the previous one was abstract. Don't replace an abstract instance
6505 in the lookup table.
6506
6507 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6508 gen_abstract_function.
6509 * dwarf2out.h: Declare it.
6510 * toplev.c (note_outlining_of_inline_function): New fn.
6511 * toplev.h: Declare it.
6512 * integrate.c (output_inline_function): Call it.
6513 * c-decl.c (duplicate_decls): Call it when redefining an extern
6514 inline. Don't inline the new defn.
6515
a901fa64
JM		 6516 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6517
cc06d68c
GP		 65182001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6519
6520 * .gdbinit: Rename to gdbinit.in.
3844cd2e 6521 * gdbinit.in: New file,
cc06d68c
GP		 6522 * configure.in: Generate .gdbinit from gdbinit.in.
6523 * configure: Regenerated.
6524 * Makefile.in (distclean): Always remove .gdbinit.
6525
4f6bcad0
JJ		 65262001-02-16 Jakub Jelinek <jakub@redhat.com>
6527
6528 * objc/objc-act.c (start_class): Register implemented_classes with
6529 GC.
6530
e4a345f8
NB		 65312001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6532
a59b81be
ZW		 6533 * cppfiles.c (_cpp_make_system_header): Generate a file
6534 change callback.
e4a345f8 6535
fd48c9b5 65362001-02-15 Jim Meyering <meyering@lucent.com>
e658449e 6537
fd48c9b5
DD		 6538 * Makefile.in (install-common): Don't depend on installdirs here.
6539 Instead, make each of the lang.install-common targets (e.g.,
6540 c++.install-common in cp/Make-lang.in) depend on it.
e658449e
JM		 6541 (install-driver): Depend on installdirs.
6542
d64236b4
RK		 6543Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6544
a8b94b40
RK		 6545 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6546
d64236b4
RK		 6547 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6548 do in memory.
6549
3af64fd6
MM		 65502001-02-15 Mark Mitchell <mark@codesourcery.com>
6551
6552 * invoke.texi (--param): Document.
6553
ba21a8a8
AO		 6554Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6555
6556 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6557
ff78d082
JH		 6558Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6559
6560 * i386.md (extendsfdf2_2): Fix constraints.
6561
2b66da3c
JH		 6562Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6563
6564 * i386.md (fop_df_3 splitter): Fix operand number.
6565
266da7a2
JH		 6566Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6567
6568 * invoke.texi (-mreg-alloc): Nuke.
6569 * i386.c (ix86_reg_alloc_order, regs_allocated,
6570 order_regs_for_local_alloc): Nuke.
6571 (override_options): Kill reg_alloc code.
6572 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6573 (REG_ALLOC_ORDER): SSE goes before I387.
6574 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6575 (ix86_reg_alloc_order): Likewise.
6576 * i386-protos.h (ix86_reg_alloc_order): Kill.
6577
121bc96b
RH		 65782001-02-14 Richard Henderson <rth@redhat.com>
6579
6580 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6581
04b1a223
JH		 6582Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6583
6584 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6585
fa79946e
JH		 6586Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6587
6588 * i386-protos.h (ix86_memory_move_cost): Move offline.
6589 * i386.c (ix86_register_move_cost): Compute properly cost of
6590 SSE, MMX and i387 instructions.
6591 (*_cost): Add costs of SSE/MMX moves.
6592 (ix86_memory_move_cost): Move offline from ....; Likewise.
6593 * i386.h (MEMORY_MOVE_COST): .... here;
6594 (struct processor costs): Add new fields to represent costs
6595 of SSE/MMX moves.
6596
6836e024
JH		 6597Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6598
6599 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6600 move_cost together with Matt Kraai's fix.
6601
d3fb92b8
JO		 66022001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6603
6604 * Makefile.in (OBJS): Add params.o.
6605
8e0b124e
RH		 66062001-02-14 Richard Henderson <rth@redhat.com>
6607 DJ Delorie <dj@redhat.com>
6608
6609 * jump.c (jump_optimize_1): When we delete a conditional jump
6610 preceeding a non-conditional jump to effectively the same place,
6611 make sure that the combined jump skips any clobber insns between
6612 the two labels.
6613
55bd9f24
JO		 66142001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6615
6616 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6617
c6d9a88c
MM		 66182001-02-14 Mark Mitchell <mark@codesourcery.com>
6619
6620 * Makefile.in (toplev.o): Depend on params.h.
6621 (intergate.o): Likewise.
6622 (params.o): New target.
6623 * flags.h (inline_max_insns): Remove.
6624 * integrate.c: Include params.h.
6625 Use MAX_INLINE_INSNS instead of inline_max_insns.
6626 * params.c: New file.
6627 * params.h: Likewise.
6628 * params.def: Likewise.
6629 * toplev.c: Include params.h.
6630 (lang_independent_params): New variable.
3844cd2e 6631 (decode_f_option): Use the param machinery instead of setting
c6d9a88c
MM		 6632 max_inline_insns.
6633 (independent_decode_option): Handle "--param name=value".
6634 (main): Register language-independent parameters.
6635
c6e95f34
JH		 6636Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6637
6638 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6639
c7c0ae3d
RH		 66402001-02-14 Richard Henderson <rth@redhat.com>
6641
6642 * regclass.c (init_reg_sets_1): Revert last two changes.
6643
fe375cf1
JJ		 66442001-02-14 Jakub Jelinek <jakub@redhat.com>
6645
6646 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6647 (variable_size): Call put_pending_size.
6648 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6649 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6650 sizes list, put newly created SAVE_EXPR there as well.
6651
66522001-02-14 Jakub Jelinek <jakub@redhat.com>
6653
6654 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6655 (errata_find_address_regs): load_group has only 2 entries.
6656 (errata_emit_nops): Likewise. shladd is not problematic.
6657 Clear last_group if nop was emitted.
6658 (fixup_errata): load_group has only 2 entries.
6659 Optimize.
6660
7065e130
NB		 66612001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6662
fe375cf1
JJ		 6663 * c-lex.c (lex_number): Only warn traditionally for U suffix
6664 outside system macros.
6665 * cppexp.c (parse_number): Similarly.
6666 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6667 * cppmacro.c (struct cpp_macro): New member node.
6668 (parse_args): Only warn about missing rest args if not
6669 a system macro.
6670 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6671 (cpp_sys_objmacro_p): New.
6672 (_cpp_create_definition): Store the node with the macro defn.
6673 Remember if the macro is defined in a system header.
7065e130 6674
cbc59f01
DD		 66752001-02-13 DJ Delorie <dj@redhat.com>
6676
6677 * configure.in (check_languages): determine languages to check
6678 * Makefile.in (check-c++): alias for check-g++
6679 (check-f77): alias for check-g77
6680 (CHECK_TARGETS): depend on configured languages
6681
ca9a9b12
JH		 6682Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6683
6684 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6685 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6686 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6687 (sqrtextendsfdf2): Disable for SSE2.
6688
6689Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6690
6691 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6692 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6693 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6694 (sqrtextendsfdf2): Disable for SSE2.
6695
7093c9ea
JH		 6696Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6697
6698 * i386.md (movsfcc_1): Support integer cmove instruction.
6699 (movdfcc_1): Likewise; new splitter.
6700
0644b628
JH		 6701Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6702
6703 * i386.c (output_fp_compare): Support SSE.
6704 (prepare_fp_compare_args): SSE comparisons always support memory.
6705 * i386.h (TARGET_CMOVE): SSE imply cmove.
6706 * i386.md (cmp?f2): Enable for SSE too.
6707 (cmpfp_i*): Support SSE.
6708 (cmpfp_i_sse): New.
6709 (cmpfp_i_sse_only): New.
6710 (s*, b* fp expanters): Enable for SSE too.
6711 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6712 New patterns.
6713
1464632b
JH		 6714Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6715
a901fa64 6716 * regclass.c (init_reg_sets_1): Silence warning.
1464632b 6717
a8083431
JH		 6718Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6719
6720 * i386.md (sqrt?f2): Change to expander.
6721 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6722
d9c695ff
RK		 6723Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6724
6725 * rtlanal.c (find_reg_equal_equiv_note): New function.
6726 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6727 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6728 * rtl.h: Add declarations for above functions.
6729
848e0190
JH		 6730Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6731
6732 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6733 conditionals.
6734 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6735 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6736 * flow.c (mark_regs_live_at_end): Likewise.
6737 (calculate_global_regs_live): Likewise.
6738 * gcse.c (compute_hash_table): Likewise.
6739 (compute_kill_rd): Likewise.
6740 * resource.c (mark_target_live_regs): Likewise.
6741 * rtl.h (INVALID_REGNUM): New macro.
6742
b1675dbd
JH		 6743Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6744
6745 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6746
1698bba1
JH		 6747Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6748
6749 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6750 for SSE.
6751
1deaa899
JH		 6752Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6753
6754 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6755 too.
6756 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6757 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6758 (fop_sf_1_sse, fop_df_1_sse): New patterns
6759 (fop_*): Disable float_extend and float patterns for SSE compilation.
6760 * i386.c (output_387_binary_op): Support SSE.
6761
42a0aa6f
JH		 6762Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6763
6764 * i386.md (dummy_extendsfdf2): Support SSE2
6765 (extendsfdf2): Enable if 80387 or SSE2.
6766 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6767 and no MIX_I387_SSE2
6768 (extendsfdf2_1_sse_only): New pattern.
6769 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6770 of SSE.
6771 (truncdfsf2_1): Support SSE.
6772 (truncdfsf2_2): Support SSE.
6773 (truncdfsf2_2_1_sse): New pattern.
6774 (fixtruncsfsi2): Always use SSE if available.
6775 (fix_truncsfsi_sse): New pattern.
6776 (fix_truncdfsi_sse): New pattern.
6777 (floatsis?f2): Support SSE.
6778 (floatsidf2_i387): New pattern.
6779 (floatsidf2_sse): Likewise.
6780
8a7199ad
RK		 6781Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6782
1ffc5c6e
RK		 6783 * configure.in: Use "have_gnat" variable, not "gnat".
6784 * configure: Regenerated.
6785
8a7199ad
RK		 6786 * config/sparc/sparc.c (function_value): Treat all non-record
6787 aggregate types like used to treat UNION_TYPE.
6788
446988df
JH		 6789Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6790
6791 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6792 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6793 (MASK_SSE2): New.
6794 (MASK_MIX_SSE_I387): New.
6795 (TARGET_SSE): SSE2 imply SSE.
6796 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6797 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6798 (enum reg_class): Add new classes.
6799 (REG_CLASS_NAMES): Likewise.
6800 (REG_CLASS_CONTENTS): Likewise.
6801 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6802 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6803 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6804 (CLASS_MAX_NREGS): Use new macros.
6805 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6806 * i386.md (pushsf, movsf): Support SSE.
6807 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6808 splitters to use ANY_FP_REGNO_P.
6809 (movdf_nointeger, movdf_integer): Likewise.
6810
42a6ff51
AO		 68112001-02-13 Alexandre Oliva <aoliva@redhat.com>
6812
6813 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6814 (try_combine): Use it.
6815
f84aa48a
JH		 6816Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6817
6818 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6819 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6820 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6821 (REGISTER_MOVE_COST): Likewise.
6822 * i386-protos.h (ix86_secondary_memory_needed,
6823 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6824 * i386.c (ix86_secondary_memory_needed,
6825 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6826
a946dd00
JH		 6827Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6828
6829 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6830 (HARD_REGNO_MODE_OK): Move offline to ....
6831 * i386.c (ix86_hard_regno_mode_ok) ... here;
6832 refuse all incorrect modes.
6833 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6834
1b9ea8eb
RH		 68352001-02-13 Richard Henderson <rth@redhat.com>
6836
6837 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6838 entire operator; replicate that and match_dup the operands.
6839 (cmp_ccx_arith_op_set): Likewise.
6840 (cmp_cc_arith_op_not_set): Likewise.
6841 (cmp_ccx_arith_op_not_set): Likewise.
6842
5b0d91c3
AO		 68432001-02-13 Alexandre Oliva <aoliva@redhat.com>
6844
6845 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6846
9a155f91
GK		 68472001-02-12 Geoffrey Keating <geoffk@redhat.com>
6848
6849 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6850 (TARGET_NO_BITFIELD_WORD): New macro.
6851 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6852 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6853
fa49fd0f
RK		 6854Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6855
6856 * cselib.c: New file, from simplify-rtx.c.
6857 * simplify-rtx.c: Remove cselib parts.
6858 * Makefile.in: Add cselib.o.
6859
c36ae96c
GK		 68602001-02-12 Geoffrey Keating <geoffk@redhat.com>
6861
ca5adc63
GK		 6862 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6863 (setup_incoming_varargs): Remove warning.
6864
6865 * config/rs6000/rs6000.c (validate_condition_mode): When
6866 flag_fast_math, allow floating-point conditionals to be reversed.
6867 (rs6000_generate_compare): When flag_fast_math, don't generate
6868 cror operations for FP conditionals.
6869
c36ae96c
GK		 6870 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6871 -mcall-i960.
6872 (ASM_SPEC): Likewise.
6873 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6874 (CC1_SPEC): Likewise.
6875 (LINK_TARGET_SPEC): Likewise.
6876 (CPP_ENDIAN_SPEC): Likewise.
6877 * Makefile.in (check-consistency): New target.
6878
f43b2795
JM		 68792001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6880
6881 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6882 "return type defaults" warning for functions with return type
6883 defaulting to int.
6884 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6885 function declarations by default rather than only when pedantic.
6886
7004b11b
JH		 6887Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6888
6889 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6890 arrays.
6891
82c18d5c
NS		 68922001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6893
6894 * extend.texi (Deprecated): Deprecate new initializer lists.
6895
48ce6bbb
NS		 68962001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6897
6898 * mkdeps.c (deps_add_default_target): Robustify. Add
6899 basename component only.
6900 * cpp.texi (-M): Describe how default target is generated.
6901 * invoke.texi (-M): Likewise.
6902
823a9919
KH		 69032001-02-12 Kazu Hirata <kazu@hxi.com>
6904
6905 * toplev.c (push_float_handler): Remove.
6906 (pop_float_handler): Remove.
6907 * toplev.h: Remove prototypes for the above functions.
6908
d02b54f6
JJ		 69092001-02-12 Jakub Jelinek <jakub@redhat.com>
6910
6911 * c-common.c (constant_fits_type_p): New function.
6912 (convert_and_check): Use it.
6913
b1012f1b
MM		 69142001-02-11 Mark Mitchell <mark@codesourcery.com>
6915
6916 * Makefile.in (GXX_ABI_FLAG): Don't define.
6917 * configure.in (--enable-new-gxx-abi): Remove option.
6918 * config.in: Regenerated.
6919 * configure: Likewise.
6920
e8eacc3f
AO		 69212001-02-12 Alexandre Oliva <aoliva@redhat.com>
6922
6923 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6924 basic block.
6925 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6926 regular basic block, and arrange for all edges into it to switch
6927 to normal mode.
6928
e065341b
GP		 69292001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6930
6931 * Makefile.in (distclean): Do not remove .gdbinit.
6932
8c310e3f
MM		 69332001-02-11 Mark Mitchell <mark@codesourcery.com>
6934
6935 * Makefile.in (gcc.o): Fix typos.
6936 (protize.o): Likewise.
6937 (unprotoize.o): Likewise.
6938
258835c7
RH		 69392001-02-11 Richard Henderson <rth@redhat.com>
6940
6941 * tree.c (build1): Check for null operand in last change.
6942
1796dff4
RH		 69432001-02-11 Richard Henderson <rth@redhat.com>
6944
6945 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6946 (fold): Don't assume a constant isn't foldable.
6947 * tree.c (build): Set TREE_CONSTANT for an expression with no
6948 side-effects and constant operands.
6949 (build1): Likewise.
6950
7f437481
RH		 69512001-02-10 Richard Henderson <rth@redhat.com>
6952
6953 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6954
3220116f
AG		 69552001-02-10 Anthony Green <green@redhat.com>
6956
6957 * cpp.texi (Standard Predefined): Add documentation for
6958 __OPTIMIZE_SIZE__.
6959
6960 * c-common.c (combine_strings): Improve warning message.
6961
36b8ffbe
GK		 69622001-02-10 Geoffrey Keating <geoffk@redhat.com>
6963
6964 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6965 --oformat.
6966 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6967
ce675456
CF		 6968Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6969
6970 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6971 CYGWIN_CROSS_DIR.
6972
cc0744d1
AO		 69732001-02-09 Alexandre Oliva <aoliva@redhat.com>
6974
6975 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6976 fp_mode attribute.
6977
ab51eb25
NC		 69782001-02-09 Nick Clifton <nickc@redhat.com>
6979
6980 * config/arm/arm.md: Change output contraint on post inc
6981 load/store multiple patterns to be a read/write contraint.
6982
58e31b83
NB		 69832001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6984
1b9ea8eb
RH		 6985 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6986 .o files when using the -M options.
58e31b83 6987
db9473af 69882001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
02a4ec28
FS		 6989 David Edelsohn <edelsohn@gnu.org>
6990
6991 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6992 handle DImode constants. Use one TOC entry for SImode and smaller
6993 constants, aligned properly.
6994
34ce3d7b
JM		 69952001-02-08 Jason Merrill <jason@redhat.com>
6996
6997 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6998 about the SP adjustment for saving the static chain pointer.
6999 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7000 offset when setting a temporary CFA register.
7001
8da6d80e
CC		 70022001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7003
7004 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7005 powerpc-*-chorusos* .
7006 * config/rs6000/chorus.h : New file.
7007 * config/i386/chorus.h : New file.
7008 * config/sparc/chorus.h : New file.
7009 * config/sparc/t-chorus-elf : New file.
7010
7841642f
DE		 70112001-02-08 David Edelsohn <edelsohn@gnu.org>
7012
7013 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7014 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7015 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7016 (__WCHAR_TYPE__): Correct macro name.
3844cd2e 7017
6fca22eb
RH		 70182001-02-08 Richard Henderson <rth@redhat.com>
7019
7020 * config/i386/i386.c (ix86_frame_pointer_required): New.
7021 (ix86_setup_frame_addresses): New.
7022 (struct machine_funciton): Add accesses_prev_frame.
7023 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7024 ix86_frame_pointer_required.
7025 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7026 (SETUP_FRAME_ADDRESSES): New.
7027 * config/i386/i386-protos.h: Update.
7028 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7029 from FRAME_POINTER_REQUIRED.
7030 * config/i386/svr3gas.h: Likewise.
7031 * config/i386/sysv3.h: Likewise.
7032 * config/i386/v3gas.h: Likewise.
7033
0020b823
RH		 70342001-02-08 Richard Henderson <rth@redhat.com>
7035
7036 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7037 calculation of the number of integer registers required.
7038 (function_arg_record_value): Likewise.
7039
00a42e21
JM		 70402001-02-08 Jason Merrill <jason@redhat.com>
7041
33c4f174
JM		 7042 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7043 two. Print file and line with "confused" message.
7044
00a42e21
JM		 7045 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7046
dd248abd
RK		 7047Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7048
7049 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7050
04337620
BS		 70512001-02-08 Bernd Schmidt <bernds@redhat.com>
7052
7053 * final.c (cleanup_subreg_operands): The address of a MEM can
7054 contain SUBREGs.
7055
0c1cf241
BS		 7056 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7057 for asms, too.
7058
14baf6b5
JM		 70592001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7060
7061 * gcc.texi (Incompatibilities): Update documentation of
7062 preprocessing numbers.
7063
1ada4cd0
JJ		 70642001-02-07 Jakub Jelinek <jakub@redhat.com>
7065
7066 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7067
a9374841
MM		 70682001-02-07 Mark Mitchell <mark@codesourcery.com>
7069
830a95f8
MM		 7070 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7071
a9374841
MM		 7072 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7073 * gcc.c (struct compiler): Add cpp_spec field.
7074 (input_file_compiler): New variable.
3844cd2e 7075 (do_spec_1): Allow a particular compiler to handle `%C'
a9374841
MM		 7076 specially.
7077 (main): Store the current compiler in input_file_compiler.
7078 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3844cd2e 7079
7d4918a2
ZW		 70802001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7081
7082 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7083 * cppinit.c (cpp_create_reader): Initialize them.
7084 (append_include_chain): cxx_aware arg might be unused.
7085 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7086 keywords and give them their phase 7 meaning. Pedwarn about
7087 this unless '__bool_true_false_are_defined' is defined.
7088
09d84e04
AO		 70892001-02-07 Alexandre Oliva <aoliva@redhat.com>
7090
7091 * lcm.c (optimize_mode_switching): Emit mode_set before the
7092 JUMP_INSN of an abnormal edge.
7093
bcd7edfe
BS		 70942001-02-07 Bernd Schmidt <bernds@redhat.com>
7095
7096 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7097 a scheduling barrier at the end.
7098
4a1d48f6
BS		 7099 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7100
3dbd1134
AO		 71012001-02-07 Alexandre Oliva <aoliva@redhat.com>
7102
c2d10707
AO		 7103 * config/sh/sh.md (reload_outsf): Removed.
7104 (movsf_ie): Introduce constraints for FPUL loads and stores.
7105 (reload_insf): Broaden the output constraint.
7106
3dbd1134
AO		 7107 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7108 defined.
7109 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7110 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7111
8480e480
CC		 71122001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7113
8da6d80e 7114 * final.c: Revert my previous changes.
8480e480
CC		 7115 * output.h: Make profile_label_no extern.
7116 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7117 for generating label.
7118
df447210
LB		 71192001-02-06 Laurynas Biveinis <lauras@softhome.net>
7120
7121 * config/i386/djgpp.h: Add comments about standard paths.
7122 (MD_EXEC_PREFIX): Undefine before defining.
7123 (MD_STARTFILE_PREFIX): New.
7124
ca21b4a5
BK		 71252001-01-30 Bruce Korb <bkorb@gnu.org>
7126
6fca22eb
RH		 7127 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7128 (load_file): do not rely on load_file_data() to close file pointer
7129 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
ca21b4a5
BK		 7130 fixinc/inclhack.def(irix_limits_const): add test_text
7131
3c8465d0
NB		 71322001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7133
6fca22eb
RH		 7134 * cppexp.c (parse_defined): Improve diagnostics for invalid
7135 syntax.
3c8465d0 7136
b7a0a5fa
NB		 71372001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7138
6fca22eb 7139 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
b7a0a5fa 7140
28e510bd
MM		 71412001-02-06 Mark Mitchell <mark@codesourcery.com>
7142
7143 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7144 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7145 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7146 (rs6000_output_symbol_ref): New function.
7147 (output_toc): Use VTABLE_NAME_P.
3844cd2e 7148
05bd3d41
RK		 7149Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7150
df10e9ec
RK		 7151 * print-tree.c (print_node, case PARM_DECL):
7152 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7153
b5d6a2ff
RK		 7154 * stor-layout.c (reference_types_internal): New variable.
7155 (internal_reference_types): New function.
7156 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7157 * tree.h (internal_reference_types): New declaration.
7158
05bd3d41
RK		 7159 * cse.c (find_best_addr): Fix typo in computing cost.
7160
d1405722
RK		 7161Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7162
7163 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7164 and this is the sum of a pointer and a constant, we know the result
7165 did not overflow.
7166 (num_sign_bit_copies, case PLUS): Likewise.
7167 * explow.c (convert_memory_address): Remove opposite SUBREG.
7168 * function.c (instantiate_new_reg): New function (from common code).
7169 (instantiate_virtual_regs_1): Call it.
7170 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7171 if pointers sign- or zero-extend.
7172 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7173 If pointers extend unsigned, use inside of SUBREG.
7174 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7175
3e897b66
BK		 71762001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7177
7178 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7179 subdir of gcc_gxx_include_dir.
7180 (gcc_gxx_target_include_dir): Remove.
7181
a401107d
JO		 71822001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7183
7184 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7185 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7186 a high-level description.
7187
411707f4
CC		 71882001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7189
d6706c51 7190 * final.c: Move the declaration of profile_label_no to ...
6fca22eb
RH		 7191 * output.h: ... here.
7192 * function.c (expand_function_start): Call PROFILE_HOOK.
7193 * config/rs6000/aix.h: Define PROFILE_HOOK.
7194 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7195 * config/rs6000/rs6000.c (output_profile_hook): Define.
7196 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7197 output_profile_hook.
411707f4
CC		 7198 tm.texi : Explain new macro PROFILE_HOOK.
7199
8720914b
HPN		 72002001-02-06 Hans-Peter Nilsson <hp@axis.com>
7201
7202 * extend.texi (Extended Asm): Do not say that semicolon is always
7203 a valid line-breaking character for GNU assemblers. Use
7204 newline-tab as the most commonly supported syntax. Use
7205 newline-tab rather than semicolon in multi-insn examples.
7206
56cf87e7
FS		 72072001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7208
7209 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7210
9638617e 72112001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6fca22eb 7212 David Edelsohn <edelsohn@gnu.org>
9638617e 7213
3844cd2e 7214 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9638617e
FS		 7215 code for AIX, even without flag_pic.
7216
2f4e8f2b
JJ		 72172001-02-05 Jakub Jelinek <jakub@redhat.com>
7218
7219 * c-typeck.c (common_type): push and pop binding level around
7220 calling common_type on function parameters.
7221
45677496
CF		 7222Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7223
7224 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7225
789c026d
RK		 7226Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7227
7228 * config/mips/mips.c (override_options): Fix typo in last change.
e2bbb660
RK		 7229 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7230 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
789c026d 7231
9965d119
NS		 72322001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7233
7234 * invoke.texi (-fdump-class-layout): Document.
7235 (-fdump-translation-unit): Use `=' as filename separator.
7236
39d6f2e8
MM		 72372001-02-05 Mark Mitchell <mark@codesourcery.com>
7238
7239 * Makefile.in (s-mlib): Don't build multilibs if
7240 --disable-multilib.
7241 (DRIVER_DEFINES): Adjust accordingly.
7242 (gcc.o): Likewise.
7243 (protoize.o): Likewise.
7244 (unprotoize.o): Likewise.
7245 * configure.in: Recognize --enable-multilib.
3844cd2e 7246
22fdd65e
MM		 72472001-02-04 Mark Mitchell <mark@codesourcery.com>
7248
9f8bf073
MM		 7249 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7250
22fdd65e
MM		 7251 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7252 * configure.in: Remove --enable-libstdcxx_v3 support.
7253 * configure: Regenerated.
7254
400500c4
RK		 7255Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256
c4636dd1
RK		 7257 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7258 Call abort instead of fatal.
7259 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7260 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7261 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7262 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7263 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7264 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7265
400500c4
RK		 7266 * diagnostic.h (set_internal_error_function): Renamed.
7267 * toplev.h (internal_error): Renamed from fatal.
7268 (pfatal_with_name): Deleted.
7269 (fatal_io_error): Now has printf-style arguments.
7270 * diagnostic.c (pfatal_with_name): Deleted.
7271 (fatal_io_error): Rework to have args in printf-style.
7272 (set_internal_error_function): Renamed from set_fatal_function.
7273 (internal_error): Renamed from fatal.
7274 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7275 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7276 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7277 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7278 * flow.c (verify_flow_info): Likewise.
7279 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7280 * config/mips/mips.c (save_restore_insns): Likewise.
7281
7282 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3844cd2e 7283 * flow.c (verify_flow_info): Likewise.
400500c4
RK		 7284 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7285 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7286 (avr_normalize_condition): Likewise.
7287 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7288 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7289 (limit_reload_class, double_reg_to_memory): Likewise.
7290 (print_operand_address, emit_1600_code_shift): Likewise.
7291 (gen_tst_reg, gen_compare_reg): Likewise.
7292 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7293 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7294 Deleted.
7295 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7296
7297 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7298 * objc/objc-act.c (build_ivar_chain): Likewise.
7299 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7300 pfatal_with_name.
7301 * graph.c (clean_graph_dump_file): Likewise.
7302 * profile.c (init_branch_prob): Likewise.
7303 * objc/objc-act.c (objc_init): Likewise.
3844cd2e 7304
400500c4 7305 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3844cd2e 7306 * config/avr/avr.c (avr_override_options): Likewise.
400500c4
RK		 7307 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7308 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7309 * config/h8300/h8300.c (h8300_init_once): Likewise.
7310 * config/mips/mips.c (override_options): Likewise.
7311 * config/i386/i386.c (override_options): Likewise, rework.
7312 * config/m68k/m68k.c (override_options): Likewise.
7313
7314 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7315 instead of fatal.
7316 * config/mips/mips.c (print_operand): Likewise.
7317 * hash.c (hash_allocate): Don't check for failure returns from
7318 obstack functions that can't fail.
7319 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7320 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7321 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7322 (get_object_reference): Likewise.
7323
eab4abeb
NC		 73242001-02-04 Nick Clifton <nickc@redhat.com>
7325
7326 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7327 StrongARM1110, 10TDMI, and 1020T.
7328
7ce2fcb9
KG		 73292001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7330
7331 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7332
b6c02328
AO		 73332001-02-04 Alexandre Oliva <aoliva@redhat.com>
7334
7335 * config/sh/sh.md (movdf load split): Pass register number to
7336 FP_OR_XD_REGISTER_P.
7337
1ca894a0
MM		 73382001-02-04 Mark Mitchell <mark@codesourcery.com>
7339
7340 * cppinit.c (BC): New macro.
7341 (builtin_array): Add __GXX_WEAK__.
7342 * cpplib.h (builtin_type): Add BT_WEAK.
7343 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7344 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7345 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7346
52b357ea
JJ		 73472001-02-03 Jakub Jelinek <jakub@redhat.com>
7348
7349 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7350
269592a8
NB		 73512001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7352
6fca22eb 7353 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3844cd2e 7354 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
269592a8 7355
2da6090f
NB		 73562001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7357
6fca22eb 7358 * cpphash.h: Rename ALIGN _ALIGN.
3844cd2e 7359 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2da6090f 7360
4e190cf3
CF		 7361Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7362
7363 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7364 compilation environment.
7365 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7366 control over location of cygwin includes and libs.
7367
c98f0cdb
MH		 73682001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7369
7370 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7371
39ed8974
LB		 73722001-02-02 lars brinkhoff <lars@nocrew.org>
7373
7374 * md.texi (Standard Names): remove reference to spur.md.
7375
0b53f039
MH		 73762001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7377
7378 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7379 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7380 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7381 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7382 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7383
d001969e
HB		 73842001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7385
7386 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7387 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7388 number before reload.
7389 (c4x_adjust_cost): Return zero before reload.
7390 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7391 split before reload.
7392
40eef757
HB		 73932001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7394
7395 * c4x.c (c4x_hard_regno_rename_ok): New.
7396 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7397 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7398
0d6882a0
RK		 7399Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7400
7401 * diagnostic.h: Add missing "extern" in all declarations.
7402
362f2295
AS		 74032001-02-02 Alex Samuel <samuel@codesourcery.com>
7404
7405 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7406 as for gcc_gxx_include_dir.
7407
da312b55
NB		 74082001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7409
7410 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7411
38df95a4
AO		 74122001-02-02 Alexandre Oliva <aoliva@redhat.com>
7413
e6dfd05f
AO		 7414 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7415 label before alignment to be used as the braf base address.
7416 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7417 branches.
7418 (casesi_jump_2): Require at least TARGET_SH2.
7419
38df95a4
AO		 7420 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7421 truncation to 32-bit doubles on -m3e and -m4-single-only.
7422
049f6ec9
MM		 74232001-02-02 Mark Mitchell <mark@codesourcery.com>
7424
3844cd2e 7425 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
049f6ec9
MM		 7426 the default when building a shared object.
7427 (init_spec): Use it.
7428 * testsuite/lib/g++.exp: Include the directory where libgcc
7429 is located to the LD_LIBRARY_PATH list.
1ca894a0 7430 * invoke.texi (-shared-libgcc): Document the cases in which
049f6ec9 7431 GCC defaults to using the shared libgcc.
3844cd2e 7432
483b9fd0
AO		 74332001-02-02 Alexandre Oliva <aoliva@redhat.com>
7434
7435 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7436 unsigned is wide enough.
7437 (BITS_PER_SI): New.
7438 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7439 (si_to_float): Likewise.
7440 (float_to_si, float_to_usi): Use BITS_PER_SI.
7441
770ca8c6
JO		 74422001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7443
7444 * dwarf2out.c: Added explanation of abbreviations.
7445 (def_cfa_1): Added comments listing DWARF2 instructions.
7446 (cfa_temp_reg): Removed in favor of cfa_temp.
7447 (cfa_temp_value): Removed in favor of cfa_temp.
7448 (cfa_temp): New global variable.
7449 (dwarf2out_frame_debug_expr): Added extensive introductory
7450 comments explaining the function's transformations. Revised to
7451 use cfa_temp. Added some rtx checking. Generalize IOR case.
7452 (dwarf2out_frame_debug): Revised to use cfa_temp.
7453 (output_aranges): Cast as "unsigned" to avoid warning.
7454 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7455 explain which instructions must be marked.
7456
cad33336
RH		 74572001-02-01 Richard Henderson <rth@redhat.com>
7458
7459 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7460 new instruction.
7461
8a5d897f
AO		 74622001-02-01 Alexandre Oliva <aoliva@redhat.com>
7463
7464 * config/sh/crt1.asm (main_k): Modified so that start calls
7465 ___setup_argv_and_call_main.
7466
bd969772
NB		 74672001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7468
6fca22eb
RH		 7469 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7470 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7471 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7472 * cppmacro.c (builtin_macro): Set builtin flags here.
7473 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7474 (replace_args): Clarify intent.
7475 (cpp_get_token): Macro expansion tokens get the saved flags.
7476 Update.
7477 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7478 check.
bd969772 7479
8c0abc88
JO		 74802001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7481
7482 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7483 2001-Jan-29.
7484
fcbfaa65
RK		 7485Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7486
d5457140
RK		 7487 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7488 returns Pmode pseudo, but we need ptr_mode.
7489 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7490 Remove bogus conversions; use HOST_WIDE_INT for size.
7491 Don't use TARGET if wrong mode.
7492
fcbfaa65
RK		 7493 * config/i386/i386.c (ix86_compute_frame_size): Allow
7494 stack_alignment_needed to be non-default even if size is zero.
7495
10d17cb7
AM		 74962001-01-31 Alan Modra <alan@linuxcare.com.au>
7497
824e7605
AM		 7498 * pa.c (hppa_init_pic_save): New function.
7499 * pa.h (hppa_init_pic_save): Declare.
7500 * pa.md (call, call_value, sibcall, sibcall_value): Use
7501 the above instead of duplicated code.
7502
10d17cb7
AM		 7503 * pa.c (hppa_encode_label): Correct size of alloca buffer
7504 so we don't overrun it. Correct leading `*' case.
7505 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7506 need to handle `*@'.
7507 (FUNCTION_NAME_P): Likewise.
7508
b9e6ebe9
RH		 75092001-01-31 Richard Henderson <rth@redhat.com>
7510
c3e5f9fa
RH		 7511 * config.gcc (alpha-osf5): Use float-i128.h.
7512
b9e6ebe9
RH		 7513 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7514 * config/float-i32.h: Likewise.
7515 * config/float-i64.h: Likewise.
7516 * config/float-sh.h: Likewise.
7517 * config/float-sparc.h: Likewise.
7518
dbac5d0d 75192001-01-31 DJ Delorie <dj@redhat.com>
aac280fb
DD		 7520
7521 * expmed.c (extract_bit_field): allow non-integral modes if we
7522 want to extract a whole register from itself.
7523
ce662d4c
JJ		 75242001-01-31 Jakub Jelinek <jakub@redhat.com>
7525
7526 * c-typeck.c (set_init_index): If first is equal to last, assume as
7527 if it was not a range at all.
7528
8b1065f1
AO		 75292001-01-31 Alexandre Oliva <aoliva@redhat.com>
7530
3cb95a7d 7531 * config/fp-bit.c: Include tm.h.
8b1065f1
AO		 7532 (float_to_si): Don't assume SImode is 32-bits wide.
7533 (float_to_usi): Likewise.
7534
0aca1a4f
JM		 75352001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7536
7537 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7538 incomplete type.
7539 (typename): Call pending_xref_error after parsing typed_typespecs.
7540 * c-decl.c (lookup_tag): Give error immediately rather than
7541 leaving it pending if the tag of the wrong type is in the same
7542 binding level.
7543 (xref_tag): Don't pedwarn for forward declarations of enum types
7544 here.
7545 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7546 and enum tags.
7547
92fa350a
AO		 75482001-01-31 Alexandre Oliva <aoliva@redhat.com>
7549
7550 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7551
f000294d
NB		 75522001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7553
6fca22eb
RH		 7554 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7555 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
f000294d 7556
ec1a23e6
NB		 75572001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7558
6fca22eb
RH		 7559 * cpphash.h (struct cpp_reader): New saved_flags.
7560 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7561 to avoid a paste after a pasted token.
3844cd2e 7562
5d0e6486
AO		 75632001-01-31 Alexandre Oliva <aoliva@redhat.com>
7564
7565 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7566 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7567 Wtype_MIN instead of LONG_MIN.
7568
b2321b26
JO		 75692001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7570
7571 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7572 README file.
7573 * fixinc/fixincl.x: Regenerated.
7574 * fixinc/inclhack.def (irix_limits_const): New definition to
7575 convert "const" to "__const" in limits.h.
7576
4989b020
JO		 75772001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7578
7579 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7580
2f33c635
HB		 75812001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7582
7583 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7584 when register dies in the insn.
7585
bdda3325
NB		 75862001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7587
7588 * diagnostic.c (fatal): Fix word wrap.
7589
48b4d901
AO		 75902001-01-30 Alexandre Oliva <aoliva@redhat.com>
7591
7592 * combine.c (try_combine): Fix SUBREG setting for
7593 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7594
1e738f74
FS		 75952001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7596
7597 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7598 comparison codes.
7599
e9770d51
NB		 76002001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7601
6fca22eb
RH		 7602 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7603 is not NULL.
7604 * toplev.c (decode_W_option): Update warn_larger_than
7605 unconditionally for each processed switch.
e9770d51 7606
d966ae60
JDA		 76072001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7608
7609 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7610 to NULL_RTX.
7611 (hppa_expand_prologue): Delete code to save pic offset table register
7612 in the function prologue.
7613 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7614 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7615 table register at the beginning of the function after the prologue.
7616
f25561bb
LB		 76172001-01-29 lars brinkhoff <lars@nocrew.org>
7618
6fca22eb 7619 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
f25561bb 7620
7ea9fcc6
JDA		 76212001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7622 Jeff Law <law@redhat.com>
7623
7624 * pa.md (return): Revise comment for trivial return.
7625 (return_internal): Non-trivial return pattern for non-PIC code.
7626 (return_internal_pic): Non-trivial return pattern for PIC code.
7627 It uses the PIC register to ensure it is restored after
7628 function calls.
7629 (epilogue): Generate appropriate return for PIC and non-PIC code.
7630
05d9f8b0
CF		 7631Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7632
7633 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7634
80c8b1aa
DD		 76352001-01-29 DJ Delorie <dj@redhat.com>
7636
7637 * combine.c (if_then_else_cond): Pass the correct mode to
7638 operand_subword() for constants.
7639
f6fc3552
CF		 7640Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7641
7642 * config/i386/cygwin.h: Add w32api to include search. Search different
7643 directories in a cross-build environment.
7644
2b5f2501
RH		 76452001-11-29 Tim Josling <tej@melbpc.org.au>
7646
7647 * tree.h (TYPE_STUB_DECL): Add documentation.
7648
76492001-11-29 Laurynas Biveinis <lauras@softhome.net>
1270a9b3
LB		 7650
7651 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7652 (sdbout_field_types): Likwise. Fix use of host_integerp.
7653
9c7c6e6c
TP		 76542001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7655
7656 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7657 cygwin.h.
7658
f1e9980a
JO		 76592001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7660
7661 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7662 to use flag_gnu_linker.
7663
766ee681
NB		 76642001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7665
6fca22eb
RH		 7666 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7667 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
766ee681 7668
718b8ea5
JM		 76692001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7670
7671 * tree.c, tree.h (build_parse_node): Remove; was identical to
7672 build_nt.
7673 * c-lang.c (start_cdtor), objc/objc-act.c
7674 (build_module_descriptor): Use build_nt instead of
7675 build_parse_node.
7676
adc88131
JJ		 76772001-01-29 Jakub Jelinek <jakub@redhat.com>
7678
7679 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7680 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7681 not have any upper bits set.
7682
42c0c80a
PE		 76832001-01-29 Phil Edwards <pme@sources.redhat.com>
7684
7685 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7686
f2d1f0ba
KG		 76872001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7688
7689 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7690
7691 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7692
7693 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7694 (integer_minus_one_node): Define.
7695
4f92461a
AO		 76962001-01-28 Alexandre Oliva <aoliva@redhat.com>
7697
7698 * Makefile.in (bootstrap2-lean): Fix typo.
7699
26ec42ee
NB		 77002001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7701
6fca22eb
RH		 7702 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7703 : Don't set fe_value.
3844cd2e 7704 * cpplib.h (AVOID_LPASTE): New flag.
6fca22eb
RH		 7705 (struct cpp_hashnode): Remove fe_value.
7706 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7707 * cppmacro.c (builtin_macro): Don't set flags here.
7708 (replace_args): Set AVOID_LPASTE flag on first token of an
7709 argument, and the token following it.
7710 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7711 macro expansion, and on the token following it. Do it for
7712 builtins too.
7713 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
26ec42ee 7714
0be25992
RH		 77152001-01-27 Richard Henderson <rth@redhat.com>
7716
7717 * config/alpha/t-ieee: Remove multilibbing.
7718 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7719
c913b6f1
KG		 77202001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7721
7722 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7723
7724 * Makefile.in: Remove all dependencies on defaults.h.
7725 * builtins.c: Don't include defaults.h.
7726 * c-common.c: Likewise.
7727 * c-decl.c: Likewise.
7728 * c-pragma.c: Likewise.
7729 * c-typeck.c: Likewise.
7730 * combine.c: Likewise.
7731 * i386.c: Likewise.
7732 * frame-ia64.c: Likewise.
7733 * cppexp.c: Likewise.
7734 * crtstuff.c: Likewise.
7735 * dbxout.c: Likewise.
7736 * dwarf2out.c: Likewise.
7737 * dwarfout.c: Likewise.
7738 * emit-rtl.c: Likewise.
7739 * except.c: Likewise.
7740 * expr.c: Likewise.
7741 * final.c: Likewise.
7742 * frame-dwarf2.c: Likewise.
7743 * libgcc2.c: Likewise.
7744 * optabs.c: Likewise.
7745 * profile.c: Likewise.
7746 * sdbout.c: Likewise.
7747 * toplev.c: Likewise.
7748 * tradcif.y: Likewise.
7749 * tree.c: Likewise.
7750 * varasm.c: Likewise.
7751
013dea40
KG		 77522001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7753
7754 * builtins.c (expand_builtin_fputs): Use size_one_node when
7755 transforming into fwrite.
7756
2c5e91d2
JM		 77572001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7758
7759 * extend.texi (Attribute Syntax): New section.
7760
825ac704
MS		 77612001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7762
7763 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7764 they didn't need fixing.
7765
70305f2b
RH		 77662001-01-27 Janis Johnson <janis@us.ibm.com>
7767
7768 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7769 if appropriate.
7770 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7771 to remove macro definitions that are duplicated from elfos.h.
7772
77732001-01-27 Richard Henderson <rth@redhat.com>
7774
7775 * config/i386/sco5gas.h: Move ...
7776 * config/usegas.h: ... here.
7777 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7778
940ff66d
JJ		 77792001-01-27 Jakub Jelinek <jakub@redhat.com>
7780
7781 * c-typeck.c (struct constructor_stack): Add range_stack member.
7782 (really_start_incremental_init): Clear it.
7783 (push_init_level): Save constructor_range_stack and clear it if
7784 pushing explicit braces.
7785 (pop_init_level): abort if constructor_range_stack is non-zero at
7786 explicit closing brace. Restore saved constructor_range_stack if
7787 not implicit.
7788
de1b33dd
AO		 77892001-01-27 Alexandre Oliva <aoliva@redhat.com>
7790
7791 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7792 into register was forced into memory.
7793
3d84f80f
AO		 77942001-01-27 Alexandre Oliva <aoliva@redhat.com>
7795
7796 * Makefile.in: Remove uses of + before $(MAKE).
7797
2a2137c4
RH		 77982001-01-26 Richard Henderson <rth@redhat.com>
7799
7800 * stmt.c (cost_table): Remove.
7801 (COST_TABLE, cost_table_initialized): New.
7802 (estimate_case_costs): Use the later instead of the former.
7803 (balance_case_nodes): Likewise.
7804
66cce54d
RH		 78052001-01-26 Richard Henderson <rth@redhat.com>
7806
7807 * alias.c (objects_must_conflict_p): Read-only slots may not
7808 conflict despite having the same type.
7809
616fde53
MH		 78102001-01-27 Michael Hayes <mhayes@redhat.com>
7811
7812 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7813 int variable.
7814 (check_ext_dependant_givs): Initialise u_start_val and
7815 u_end_val.
7816 (load_mems): Make last_max_reg unsigned.
7817 (try_swap_copy_prop): Use INSN_P and initialise set.
7818
b63471e9
DC		 7819Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7820
7821 * README.AVR : Removed.
7822
d1ebd58d
JL		 7823Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7824
7825 * pa-64.h (text_section): Remove declaration.
7826
7827 * pa.md (return_internal): Remove mode on PIC register use.
7828
a8d1550a
LB		 78292001-01-25 lars brinkhoff <lars@nocrew.org>
7830
7831 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7832 ASM_CLOSE_PAREN): fix typos.
7833
78e0ba39
MM		 78342001-01-25 Mark Mitchell <mark@codesourcery.com>
7835
7836 * acconfig.h: Define `const' to the empty string if neither
7837 __STDC__ nor __cplusplus is defined.
7838 * config.in: Regenerated.
7839
05dba9ee
DE		 78402001-01-25 David Edelsohn <edelsohn@gnu.org>
7841
7842 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7843 * collect2.c (main): Delete importf. Add ".obj" file extension.
7844 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7845 (aix_std_libs): Add additional AIX libraries to skip.
7846 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7847 * config/rs6000/aix51.h: New file.
7848
86e21212
MH		 78492001-01-25 Michael Hayes <mhayes@redhat.com>
7850
7851 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7852 (loop_insn_emit_before): No longer static.
7853 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7854 (loop_givs_rescan, load_mems): Likewise.
7855 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7856 (maybe_eliminate_biv_1):
7857 (move_movables): Replace emit_call_insn_before with
7858 loop_call_insn_hoist.
7859 * loop.h (loop_insn_emit_before): Add.
3844cd2e 7860 * unroll.c (copy_loop_body): Replace emit_insn_before with
86e21212
MH		 7861 loop_insn_emit_before.
7862
7fa531a6
NB		 78632001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7864
70305f2b 7865 * diagnostic.c (fatal): Request preprocessed source.
7fa531a6 7866
91239b93
R		 7867Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7868
7869 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7870 olddecl has argument types and newdecl has none, use the argument
7871 types from olddecl.
7872
e57cabac
UD		 78732001-01-24 Ulrich Drepper <drepper@redhat.com>
7874
7875 * dwarf2out.c (prefix_of): New function. Determine longest common
7876 prefix of the two arguments. The units are whole path components.
7877 (output_file_names): When adding a new directory find the one entry
7878 with the longest common prefix already in the list. Artificially
7879 generate entry if there is none for this prefix.
7880 Fix test to check whether the zeroth directory entry is used.
7881
304a22dd
R		 7882Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7883
7884 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7885 Changed all callers. Take it into account when deciding if a
7886 previously loaded value matches.
7887
0a28aef9
RH		 78882001-01-24 Richard Henderson <rth@redhat.com>
7889
7890 * reload.c (find_reloads_subreg_address): Fail the substitution
7891 if the resulting address is insufficiently aligned.
7892
1cac8785
DD		 78932001-01-24 DJ Delorie <dj@redhat.com>
7894
7895 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7896 check the original operand's mode also.
7897 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7898
cedd825f
JM		 78992001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7900
7901 * c-parse.in (cast_expr): Move compound literals from here ...
7902 (primary): ... to here. Use standard terminology "compound
7903 literal" instead of "constructor expression".
7904
445c435a
JM		 79052001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7906
7907 * gcc.1, cpp.1: Regenerate.
7908
4cfc6042
AO		 79092001-01-24 Alexandre Oliva <aoliva@redhat.com>
7910
7911 * calls.c (emit_library_call_value_1): Memory slot for
7912 pass-by-reference argument should have the mode of the argument,
7913 not of the pointer to it.
7914
597dba19
TT		 79152001-01-24 Tom Tromey <tromey@redhat.com>
7916
7917 * gcc.texi (G++ and GCC): Mention gcj manual.
7918 (Standards): Link to section of manual mentioning gcj/Java
7919 compatibility.
7920
7855db7c
JJ		 79212001-01-24 Jakub Jelinek <jakub@redhat.com>
7922
7923 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7924 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7925 * tradcpp.c (main): Add -imacros or -include'd dependencies
7926 for -M*.
7927 * cpp.texi (-M, -MM): Document -M -include behaviour.
7928
6a40fc2b 79292001-01-24 Roger Collins <roger@ProProject.com>
e57cabac 7930
70305f2b 7931 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6a40fc2b 7932
2f3fdc52
WC		 79332001-01-24 Will Cohen <wcohen@redhat.com>
7934
7935 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7936 whether registers are 32 bits or 64 bits in size.
7937
a941b588
BE		 79382001-01-24 Ben Elliston <bje@redhat.com>
7939
7940 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7941
64b4ab5a
RH		 79422001-01-24 Richard Henderson <rth@redhat.com>
7943
7944 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7945 (builtin_longjmp): Use it instead of emit_indirect_jump.
7946
b0cc7919
JDA		 79472001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7948
7949 * bb-reorder.c (make_reorder_chain_1): Handle case where
7950 jump edge goes to the same block as the fallthru edge.
e57cabac 7951
0024a804
JW		 79522001-01-23 Jim Wilson <wilson@redhat.com>
7953
7954 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7955 * frame.h (__ia64_personality_v1): Add prototype.
7956 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7957 prototype form. Add void * cast to first argument to personality
7958 call.
7959 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7960 (asctoe113): Likewise.
7961 * config/ia64/frame-ia64.c: Include eh-common.h.
7962 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7963 prototypes.
7964 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7965 to dump parameter.
7966 (itanium_split_issue): Add prototype.
7967 (gen_nop_type): Ifdef out.
7968 (find_best_packet): Initialize best_packet.
7969 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7970 result.
7971 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7972 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7973 (flushrs): Add explicit stop bit at end.
7974 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7975 trailing \ to >.
e57cabac 7976
8a1894ac
CD		 79772001-01-23 Chris Demetriou <cgd@broadcom.com>
7978
7979 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7980 of EH symbols.
7981 * libgcc2.c (__terminate_func): Make variable static.
7982 (__terminate_set_func): New function to set __terminate_func.
7983 * libgcc2.h (__terminate_func_ptr): New typedef.
7984 (__terminate_set_func): New function.
7985
240f9c2b
RH		 79862001-01-23 Richard Henderson <rth@redhat.com>
7987
7988 * flow.c (init_propagate_block_info): Don't consider unchanging
7989 memories for dead frame store elimination.
7990
fc9f395a
RH		 79912001-01-23 Richard Henderson <rth@redhat.com>
7992
7993 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7994 * defaults.h: ... here.
7995
860b3499
MH		 79962001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7997
7998 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7999
955dc84a
NB		 80002001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8001
70305f2b 8002 * c-lex.c (lex_charconst): Fix typo: s/p/str.
955dc84a 8003
608ab802
FS		 80042001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8005
8006 * rs6000.h (rs6000_return_addr): Move prototype from here...
8007 * rs6000-protos.h (rs6000_return_addr): ...to here.
8008 (rs6000_init_expanders): Delete prototype.
8009
371e300b
NC		 80102001-01-23 Nick Clifton <nickc@redhat.com>
8011
8012 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8013 (Spec Files): Document %B and %j and %. and %v3 and %M and
8014 %{S*&T} spec switches.
8015
4a1f52a8
HB		 80162001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8017
8018 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8019
c933c209
CD		 80202001-01-23 Chris Demetriou <cgd@sibyte.com>
8021 Neil Booth <neil@daikokuya.demon.co.uk>
8022
70305f2b
RH		 8023 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8024 Have -Werror make pedantic warnings errors, like the
8025 rest of GCC.
c933c209 8026
3fb74b82
PE		 80272001-01-23 Phil Edwards <pme@sources.redhat.com>
8028
8029 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8030
96e60f0c
JJ		 80312001-01-23 Jakub Jelinek <jakub@redhat.com>
8032
8033 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8034 * integrate.c (expand_inline_function): Initialize them.
8035 (subst_constants): If changing COMPARE so that both its arguments
8036 will be VOIDmode and the comparison mode will be lost, note
8037 compare_mode. Use the recorded compare_mode to optimize
8038 IF_THEN_ELSE.
8039
3f4907a6
JM		 80402001-01-23 Jason Merrill <jason@redhat.com>
8041
8042 * dwarf2out.c (new_die): Use xcalloc.
8043 (output_die): Abort rather than emit a local reference to offset 0.
8044
44f715c8
AH		 80452001-01-17 Andrew Haley <aph@redhat.com>
8046
8047 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8048 of a saved register; return NULL instead.
8049 (copy_reg): Take a pointer to a source register rather than a
8050 frame_state.
8051 (next_stack_level): Remember the address in the stack frame of all
8052 saved registers.
8053 Use the saved register pointer array as the source of the CFA.
8054 (throw_helper): Rewrite. Unwind once rather than twice and keep
8055 track of saved registers as we go.
e57cabac 8056
eb253d90
HB		 80572001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8058
8059 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8060 * c4x.c (c4x_legitimize_reload_address): Remove.
8061 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8062 reload address for ldp(k) insn.
8063
2caa0ddf
JL		 8064Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8065
8066 * pa.md (return_internal): Add a USE of the PIC register to ensure
8067 it is restored after each call.
8068 (return expander): Corresponding changes.
8069
71f123ca
FS		 80702001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8071
8072 * rs6000.h (INIT_EXPANDERS): Delete.
8073 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8074 * rs6000.c (rs6000_override_options): Call *_machine_status from
8075 here...
8076 (rs6000_init_expanders): ...instead of here. Delete.
8077 (rs6000_mark_machine_status): New function.
8078 (rs6000_init_machine_status): Use xcalloc.
8079 (rs6000_return_addr): Generate RTX for the return address.
8080 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8081 (rs6000_stack_info): Use it.
8082
5dab7f92
TP		 80832001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8084
8085 * gthr-win32.h: Include errno.h to get a declaration for
8086 EINVAL and _mingw.h if the target is mingw32.
8087
586964a7
AFV		 80882001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8089
8090 * cpp.texi: Correct typos.
8091
f5f5363f
RK		 8092Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8093
8094 * explow.c (probe_stack_range): Ensure value passed to
8095 stack_check_libfunc is ptr_mode, not Pmode.
8096
44e4159d
R		 8097Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8098
8099 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8100 case, don't use operand_subword to calculate a SUBREG that is
8101 wider than a word.
8102
8103 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8104
0bbcfbaf
HB		 81052001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8106
8107 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8108 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8109 valid. If not replace it by equivalent insns.
8110
5078f5eb
HB		 81112001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8112
8113 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8114 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8115 (c4x_U_constraint, symbolic_address_operand): Likewise.
8116 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8117 memory.
8118 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8119 * c4x-protos.h (c4x_check_laj_p): Add prototype.
e57cabac 8120 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5078f5eb
HB		 8121 anulling slot because of silicon bug.
8122 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8123
6dc0d164
AM		 81242001-01-22 Alan Modra <alan@linuxcare.com.au>
8125
70305f2b
RH		 8126 * cppexp.c (parse_charconst): Change `mask' type to agree
8127 with parse_escape.
6dc0d164 8128
c7f0da1d
RH		 81292001-01-21 Richard Henderson <rth@redhat.com>
8130
8131 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8132 pic_label_name in a linkonce section.
8133
380a627a
PT		 81342001-01-17 Philipp Thomas <pthomas@suse.de>
8135
8136 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8137 found in libintl.
8138 * configure: Regenerate.
8139
02a65aef
R		 8140Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8141
8142 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8143 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8144
56b871c1
DC		 8145Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8146
8147 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8148 If REVERSE nonzero then condition code in X must be reversed.
8149 (encode_section_info): Optimise if/else.
8150 (avr_function_value): Fix formatting.
8151
8152 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8153 (difficult_branch): Likewise.
8154 (rvbranch): Likewise.
8155 (difficult_rvbranch): Likewise.
8156
8157 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8158
8159 * config/avr/libgcc.S: Fix comment.
8160
04e91ffb
MS		 81612001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8162
8163 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8164
3943e756
MS		 81652001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8166
8167 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8168
b3e1e64f
MS		 81692001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8170
8171 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8172 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8173 * configure, config.in: Regenerate.
8174 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8175 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8176 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8177 (doprint.o): New rule.
8178
47f8b473
JM		 81792001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8180
8181 * c-typeck.c (digest_init): Handle boolean types as scalars.
8182
2954d7db
RK		 8183Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8184
8185 * stmt.c (expand_return): Don't return anything if size is zero.
8186 Delete redundant assignment to BYTES.
8187 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8188
1d26ac96
MM		 81892001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8190
8191 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8192 the same as the default library function names.
8193 * config/avr/avr.md: Document special characters after '%'.
8194 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8195 knowing which of the call-used registers are really clobbered.
8196 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8197 New. Both quotient and remainder from one libgcc.S call.
8198 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8199 clobber as few registers as possible.
8200 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8201
673b13e2
NB		 82022001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8203
70305f2b
RH		 8204 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8205 context of the top of the stack.
673b13e2 8206
a42a5f59
ZW		 82072001-01-20 Jakub Jelinek <jakub@redhat.com>
8208
8209 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8210 (fixup_var_refs_insns): ...here.
8211
a42a5f59
ZW		 82122001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8213
8214 * function.c (fixup_var_refs_insns): Break up into
8215 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8216 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8217 [loop over hash table entries].
8218 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8219 fixup_var_refs_insns_with_hash, to match above changes.
8220
03bbd83f
JDA		 82212001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8222
8223 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8224 (libgcc.a): Likewise.
8225 (stmp-multilib): Likewise.
8226 (STAGE2_FLAGS_TO_PASS): Likewise.
8227
68c37dc9
AO		 82282001-01-19 Alexandre Oliva <aoliva@redhat.com>
8229
8230 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8231 temporary if no_new_pseudos.
8232
111e0469
NB		 82332001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8234
a42a5f59 8235 * cppinternals.texi: Update.
111e0469 8236
55cf7bb9
RE		 82372001-01-19 Richard Earnshaw <rearnsha@arm.com>
8238
8239 * arm.c (arm_init_builtins): Re-enable builtins.
8240
831ecbd4
RK		 8241Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8242
7193d1dc
RK		 8243 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8244 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8245 element to be null, and always expect an EXPR_LIST.
8246 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8247 * sched-deps.c (sched_analyze_1): Likewise.
8248 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8249
79b9ec0d
RK		 8250 * regclass.c (max_set_parallel): New variable.
8251 (reg_scan): Take it into account in computation of max_parallel.
8252 (reg_scan_mark_refs, case SET): Compute it.
8253
831ecbd4
RK		 8254 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8255 args are REG.
8256 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8257 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8258
cb9e9d8d
JM		 82592001-01-19 Jason Merrill <jason@redhat.com>
8260
8261 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8262 for the abstract instance of an inline function.
8263
831ecbd4
RK		 8264Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8265 J"orn Rennecke <amylaar@redhat.com>
61f5625b 8266
20342a6b
AO		 8267 * reload1.c (move2add_note_store): Treat all registers directly or
8268 indirectly derived from a base register as members of the same set
8269 of values.
8270 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8271 of base register into account.
61f5625b 8272
61f0131c
R		 8273Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8274
8275 * alias.c (find_base_value): Recognize TRUNCATE.
8276 (record_set): In PLUS case, invalidate if other summand is also a
8277 base value.
8278
8eeb855e
RK		 8279Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8280
831ecbd4 8281 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
90d036a0
RK		 8282 entry to be EXPR_LIST.
8283 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8284 be an EXPR_LIST (but not null, which other code doesn't allow).
8285 (note_stores): Properly handle PARALLEL in SET.
8286 Recursively call for top-level PARALLEL.
8287 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8288 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8289
8eeb855e
RK		 8290 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8291
6fe349a9
NB		 82922001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8293
a42a5f59
ZW		 8294 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8295 not pfile->skipping (== 0).
6fe349a9 8296
988144ce
NC		 82972001-01-17 Nick Clifton <nickc@redhat.com>
8298
8299 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8300 machine_status.
8301
15d3a111
JW		 83022001-01-17 Jim Wilson <wilson@redhat.com>
8303
8304 * invoke.texi (IA-64 options): Improve.
8305
2bab2366
TT		 83062001-01-17 Tom Tromey <tromey@redhat.com>
8307
8308 * invoke.texi (Optimize Options): Use `{}' to around @samp
8309 argument.
8310
454d0cc7
AH		 83112001-01-17 Aldy Hernandez <aldyh@redhat.com>
8312
a42a5f59 8313 * invoke.texi (-fno-guess-branch-probability): New option.
454d0cc7 8314
c7be4f66
RK		 8315Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8316
8317 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8318 case of making new double-word constant.
8319 Revert last change: instead just test i3_subst_into_i2.
8320
5efdd890
JJ		 83212001-01-17 Jakub Jelinek <jakub@redhat.com>
8322
8323 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
d70401eb 8324 Use q constraints instead of r.
5efdd890 8325
5dfcd8e1
AM		 8326Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8327
8328 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8329 (machine_function): Define.
8330 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8331 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8332 pa_free_machine_status): New functions.
8333 (override_options): Set {init,mark,free}_machine_status to above.
8334 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8335 PIC_OFFSET_TABLE_REGNUM_SAVED.
8336 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8337 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8338 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8339 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8340 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8341
ce3b8848
DD		 83422001-01-15 DJ Delorie <dj@redhat.com>
8343
8344 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8345 (cpp.1): Ditto.
8346 (gcc.1): Ditto.
8347
6953fdb4
RK		 8348Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8349
50e9b3f1
RK		 8350 * flow.c (propagate_on_insn): Make trying to delete a prologue
8351 or epilogue insn an ICE, not a warning. Allow doing this if
8352 the current function returns with stack pointer depressed.
8353
6953fdb4
RK		 8354 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8355 I3 having more than one SET.
8356
aebf2462
JW		 83572001-01-16 Jim Wilson <wilson@redhat.com>
8358
df6194d4
JW		 8359 * invoke.texi: Document IA-64 options.
8360
aebf2462
JW		 8361 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8362 (fixup_errata): Delete TARGET_A_STEP use.
8363 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8364 (TARGET_SWITCHES): Delete -ma-step option.
8365 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8366 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8367 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8368 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8369 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8370 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8371 Delete.
8372 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8373 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8374 cmovsi_internal): Delete ! TARGET_A_STEP check.
a42a5f59 8375
aebb127a
GP		 83762001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8377
8378 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8379 possibility to report bugs via postal mail. Change a URL and
8380 merge in a nearly duplicate statement...
8381 (Bug Reporting): ...from here.
8382 (Service): Refer to the Bug Reporting section instead of
8383 duplicating an URL.
8384 (Contributing): Remove trivial explanations concerning snapshots.
8385
95f4ac8b
AM		 83862001-01-16 Alan Modra <alan@linuxcare.com.au>
8387
a42a5f59 8388 * cppmain.c (general_init): Don't use ANSI prototype.
95f4ac8b 8389
c32ee81e
TT		 83902001-01-16 Tom Tromey <tromey@redhat.com>
8391
8392 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8393
2c873473
RH		 83942001-01-16 Richard Henderson <rth@redhat.com>
8395
8396 * config/i386/i386.h: Fix comment typo.
8397 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8398 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8399
76e5b312
PE		 84002001-01-16 Phil Edwards <pme@sources.redhat.com>
8401
8402 * gcc.c: Revert previous -fsyntax-only-related change; move
20f9202d 8403 to cp/g++spec.c.
76e5b312 8404
b62d22a2
JJ		 84052001-01-16 Jakub Jelinek <jakub@redhat.com>
8406
8407 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8408 inmode after checking GET_CODE (op).
8409
0875baa0
RH		 84102001-01-16 Richard Henderson <rth@redhat.com>
8411
8412 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8413 (MAX_MEM_SET_LIST_LEN): New.
8414 (propagate_one_insn): Update mem_set_list_len.
8415 (invalidate_mems_from_autoinc): Likewise.
8416 (invalidate_mems_from_set): Likewise.
8417 (mark_used_regs): Likewise.
8418 (init_propagate_block_info): Likewise. Stop collecting memories
8419 when we reach MAX_MEM_SET_LIST_LEN.
8420 (mark_set_1): Likewise.
8421
c55fa4d6
RH		 84222001-01-16 Richard Henderson <rth@redhat.com>
8423
8424 * unroll.c (precondition_loop_p): Fail if no iteration
8425 variable found.
8426
6488ac06
PE		 84272001-01-16 Phil Edwards <pme@sources.redhat.com>
8428
8429 * gcc.c: When -fsyntax-only is given, do not complain about
20f9202d 8430 unused libraries.
6488ac06 8431
4cf12e7e
RH		 84322001-01-15 Richard Henderson <rth@redhat.com>
8433
8434 * config/i386/i386.c (asm_output_function_prefix): Remove.
8435 (ix86_asm_file_end): New.
8436 (load_pic_register): Generate pic_label_name into a
8437 staticly allocated buffer.
8438 * config/i386/i386-protos.h: Update.
8439 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8440 (ASM_FILE_END): New.
8441 * config/i386/i386afe.h: New file.
8442 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8443 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8444 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8445 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8446 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8447 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8448 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8449
3f896fc2
JM		 84502001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8451
ad3b5aff
JM		 8452 * Makefile.in (install-man): Remove explicit dependency on
8453 $(srcdir)/gcc.1.
8454
3f896fc2
JM		 8455 * configure.in, configure: Revert previous patch requiring perl
8456 5.6.0.
8457
3ff51205
AH		 84582001-01-12 Aldy Hernandez <aldyh@redhat.com>
8459
8460 * toplev.c (flag_guess_branch_prob): New.
8461 (f_options): Add guess-branch-probability option.
8462 (rest_of_decl_compilation): Only estimate branch probability if
8463 flag set.
8464 (main): set flag_guess_branch_prob.
8465
8466 * flags.h (flag_guess_branch_prob): New.
8467
b8dea7e0
DD		 84682001-01-15 DJ Delorie <dj@redhat.com>
8469
8470 * gcc.texi (Makefile): Add documentation for Makefile targets.
8471
c1163e75
PB		 84722001-01-15 Philip Blundell <philb@gnu.org>
8473
8474 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8475 (is_pic): Delete.
8476 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8477 (is_pic): Delete declaration.
3cf96b52 8478 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
c1163e75 8479 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3cf96b52 8480 * config/arm/arm.md (builtin_setjmp_receiver): New.
c1163e75 8481
9b598fa0
RE		 84822001-01-15 Richard Earnshaw <rearnsha@arm.com>
8483
8484 * arm.c (use_return_insn): Don't try to determine the function type
8485 until after reload has completed.
8486 (arm_output_epilogue): Don't adjust the sp value recovered from the
8487 stack.
8488 (emit_multi_reg_push): Don't record dwarf information for the pc.
8489 * arm.md (eh_epilogue): The function type may have changed, so it
8490 needs to be recalculated.
a42a5f59 8491 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9b598fa0
RE		 8492 unwind tables on arm/netbsd.
8493
6c98269c
RE		 84942001-01-15 Richard Earnshaw <rearnsha@arm.com>
8495
8496 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8497 (negated_cbranchsi4): Likewise.
8498
fa13446b
RE		 84992001-01-15 Richard Earnshaw <rearnsha@arm.com>
8500
8501 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8502 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
b3c5b2be
RE		 8503 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8504 pass -mapcs-* options to assembler.
fa13446b
RE		 8505 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8506 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8507 (ASM_SPEC): Call subtarget_extra_asm_spec.
8508
77ebd435
AJ		 85092001-01-15 Andreas Jaeger <aj@suse.de>
8510
a42a5f59 8511 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
fa13446b 8512 warnings.
77ebd435
AJ		 8513 (ix86_expand_builtin): Likewise.
8514
8515 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8516 warning about comparison between signed and unsigned.
8517
998a298e
GK		 85182001-01-14 Geoffrey Keating <geoffk@redhat.com>
8519
8520 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8521
1b26cad7
RB		 85222001-01-14 Ralf Baechle <ralf@gnu.org>
8523
a42a5f59
ZW		 8524 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8525 SUBTARGET_CPP_SPEC apropriatly.
1b26cad7 8526
e3406b2a
MM		 85272001-01-12 Mark Mitchell <mark@codesourcery.com>
8528
8529 * varasm.c (make_decl_rtl): Fix typo in last change.
8530
ea4f1fce
JO		 85312001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8532
8533 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8534 linker supports the init_priority C++ attribute.
8535 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8536 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8537 linker does not support init_priority C++ attribute.
8538
3e854cf7
R		 8539Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8540
8541 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8542
400023a3
NB		 85432001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8544
a42a5f59
ZW		 8545 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8546 * cp/lex.c (finish_parse): Similarly.
8547 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8548 Return the number of errors encountered.
8549 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8550 * cppmain.c (main): Don't call cpp_destroy.
400023a3 8551
150d3c00
JM		 85522001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8553
8554 * configure.in: Require at least perl 5.6.0 to regenerate
8555 manpages.
8556 * configure: Regenerate.
8557
521b9224
RH		 85582001-01-14 Richard Henderson <rth@redhat.com>
8559
8560 * genrecog.c (DT_veclen_ge): New.
8561 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8562 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8563 (nodes_identical_1): Handle DT_veclen_ge.
8564 (write_cond, debug_decision_2): Likewise.
8565
d6c5a763
RE		 85662001-01-14 Richard Earnshaw <rearnsha@arm.com>
8567
8568 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8569 with ...
8570 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8571
6de8f7fc
NB		 85722001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8573
a42a5f59
ZW		 8574 * cppmain.c (do_preprocessing): New function; most of the old
8575 main.
8576 (main): Call it to do most of the work.
8577 (cb): Move from global scope to set_callbacks ().
8578 (setup_callbacks): Get the callback pointer.
8579 (general_init, printer_init): Clean up code and comments.
6de8f7fc 8580
17879734
RE		 85812001-01-14 Richard Earnshaw <rearnsha@arm.com>
8582
1b26cad7 8583 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
17879734
RE		 8584 compiling PIC.
8585
c009a745
KH		 85862001-01-14 Kazu Hirata <kazu@hxi.com>
8587
8588 * config/h8300/h8300.c (get_shift_alg): Update comments.
8589
bd0f0717
RK		 8590Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8591
8592 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8593 (alloc_page, ggc_alloc): Add casts to remove warnings.
8594
aa6683f7
GK		 85952001-01-14 Geoffrey Keating <geoffk@redhat.com>
8596
8597 * combine.c (simplify_comparison): Don't change `code' when
8598 can't reverse comparison.
8599
fce7e199
RH		 86002001-01-14 Richard Henderson <rth@redhat.com>
8601
8602 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8603 update all call sites. Return true for all non-label constants.
8604
a1b8572c
JH		 8605Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8606
8607 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8608 parameters.
8609 (ix86_expand_branch): Update.
8610 (ix86_expand_setcc): Update to handle multiple test conditions.
8611 (expand_int_movcc): Likewise.
8612 (expand_fp_movcc): Likewise.
8613 * i386-protos.h (ix86_expand_compare): New.
8614 * i386.md (andqi_?_slp, orqi_?_slp): New.
8615 (conditional trap expander): Update call to ix86_expand_compare.
8616
17ad4377
RH		 86172001-01-14 Richard Henderson <rth@redhat.com>
8618
8619 * config/vax/vax.md: Use nonimmediate_operand instead of
8620 general_operand in destinations.
8621
5b9b177a
RH		 8622 * config/vax/vax.md (indirect_jump): Use register_operand.
8623
264ddbaa
RH		 8624 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8625 * config/vax/vax.md (call_pop): Turn into an expander.
8626 (call_value_pop): Likewise.
8627 (call, call_value): New.
8628
8752c357
AJ		 86292001-01-14 Andreas Jaeger <aj@suse.de>
8630
8631 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8632 variables.
8633 (ix86_fp_compare_mode): Add unused attribute.
8634 (ix86_expand_fp_movcc): Remove unused variable.
8635 (ix86_expand_builtin): Make fcode unsigned.
8636
8637 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8638 (expand_expr): Add cast to avoid signed warning.
8639 (store_field): Likewise.
8640 (store_constructor_field): Likewise.
8641 (store_constructor): Likewise.
8642 (store_expr): Likewise.
8643 (clear_storage): Likewise.
8644 (emit_group_store): Likewise.
8645 (emit_group_load): Likewise.
8646
1312c143
JM		 86472001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8648
8649 * c-common.c: Move format checking code to ...
8650 * c-format.c: ... here. New file. Reorder some functions and
8651 declarations.
8652 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8653 New functions.
8654 * c-common.h (decl_handle_format_attribute,
8655 decl_handle_format_arg_attribute): Declare.
8656 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8657 (c-common.o): Adjust dependencies.
8658 (c-format.o): New list of dependencies.
8659
9e2adb2a
JJ		 86602001-01-13 Jakub Jelinek <jakub@redhat.com>
8661
8662 * unroll.c (loop_iterations): If we cannot prove iteration variable
8663 is set once in each iteration, punt.
8664
63eaee71
DC		 8665Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8666
8667 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8668 (*strlenhi): Remove clobber (which was buggy) of output address.
8669
4bc1997b
JM		 86702001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8671
8672 * Makefile.in (generated-manpages): Add gcc.1
8673 ($(srcdir)/gcc.1): New target.
8674 (maintainer-clean): Delete $(srcdir)/gcc.1.
8675 * gcc.texi: Add macros @gccoptlist and @gol.
8676 * invoke.texi: Include option summary in manpage. Mark up option
8677 summary with @gccoptlist and @gol. Use @r in one place where
8678 appropriate.
8679 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8680 * gcc.1: Generate from invoke.texi.
8681
130fadbb
RH		 86822001-01-13 Richard Henderson <rth@redhat.com>
8683
8684 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8685 (struct page_entry): Add group member.
8686 (struct page_group): New.
8687 (struct globals): Add page_groups member.
8688 (alloc_anon): Only define for using mmap; remove valloc call.
8689 (page_group_index): New.
8690 (set_page_group_in_use): New.
8691 (clear_page_group_in_use): New.
8692 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8693 (free_page, release_pages): Likewise.
8694 * configure.in (with-gc): Default to ggc-page always.
8695
086fef9e
AO		 86962001-01-13 Alexandre Oliva <aoliva@redhat.com>
8697
8698 * reload1.c (replace_pseudos_in_call_usage): Use
8699 reg_equiv_constant and reg_equiv_address, and don't try
8700 regno_reg_rtx first.
8701
ca79429a
RH		 87022001-01-13 Richard Henderson <rth@redhat.com>
8703
8704 * ggc-page.c (alloc_page): Round up allocation size to one page.
8705 Set e->order on extra pages.
8706
2cec75a1
RH		 87072001-01-13 Richard Henderson <rth@redhat.com>
8708
8709 * genrecog.c (nodes_identical): Expand commentary.
8710 (write_switch): Watch out for identical nodes.
8711
d6d52dd6
NB		 87122001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8713
a42a5f59
ZW		 8714 * cppfiles.c (_cpp_fake_include): New function.
8715 * cpphash.h (_cpp_fake_include): New.
8716 * cpplib.c (do_line): Call _cpp_fake_include when entering
8717 header files in preprocessed input.
8718 * cppmain.c (cb_pragma_implementation): Remove handling.
d6d52dd6
NB		 8719 (setup_callbacks): Don't register pragmas.
8720
ccd96f0a
NB		 87212001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8722
8723 * extend.texi: Udate for CPP.
8724
174fa2c4
AJ		 87252001-01-13 Andreas Jaeger <aj@suse.de>
8726
8727 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8728
8729 * regmove.c: Add prototype for replace_in_call_usage.
8730
8121d2c3
NB		 87312001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8732
a42a5f59
ZW		 8733 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8734 struct cpp_chunk, struct htab, struct toklist,
8735 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8736 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8737 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8738 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8739 (struct macro_args): Delete.
8740 * cpphash.h: See above.
8121d2c3 8741
620ef26c
NB		 87422001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8743
a42a5f59
ZW		 8744 * cppmain.c (struct printer): Remove no_line_dirs.
8745 (options, cb): New.
8746 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8747 : Use options rather than CPP_OPTION.
8748 (setup_callbacks): Use cb rather than pfile->cb.
8749 (main): No need to check for a buffer. Use cpp_errors.
8750 (printer_init): Don't set no_line_dirs.
8751 (maybe_print_line): Use options not no_line_dirs.
8752 (cb_file_change): Don't call print_line if -P.
620ef26c 8753
b61c5ed0
NB		 87542001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8755
a42a5f59
ZW		 8756 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8757 callbacks.
8758 * c-parse.in (finish_parse): Use cpp_errors.
8759 (__yylex): Use return value of cpp_pop_buffer.
8760 * cp/lex.c (finish_parse): Use cpp_errors.
8761 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
b61c5ed0 8762
f14269a0
DC		 8763Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8764
8765 * README.AVR: URLs corrected.
8766
757e6639
RK		 8767Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8768
8769 * c-decl.c (start_function): Don't warn if old prototype is builtin
8770 that's not in C's namespace.
8771 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8772 (_bb): Add prototype for ctime.
8773 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8774
9e7adcb3
JH		 8775Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8776
8777 * i386.c (ix86_fp_comparison_arithmetics_cost,
8778 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8779 ix86_fp_comparison_cost): New functions.
8780 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8781 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8782 two-branch sequences; make static.
8783 (ix86_use_fcomi_compare): Do decision according to the costs.
8784 (split_fp_branch): New.
8785 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8786 * i386-protos.h (ix86_expand_fp_compare): Remove
8787 (ix86_split_fp_branch): Declare.
8788
8789 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8790 and ix86_comparison_operator.
8791
8792 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8793 to make it cheaper.
8794
8795 * i386.c (put_condition_code): Output properly the unordered/ordered
8796 compares in fp case.
8797 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8798
8799 * tm.texi (REVERSE_CONDITION): Document.
8800 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8801 in -ffast-math mode.
8802 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8803
35ef2880
AO		 88042001-01-13 Alexandre Oliva <aoliva@redhat.com>
8805
89d4bc35
AO		 8806 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8807
b90dbca6
AO		 8808 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8809 optimized away.
8810
35ef2880
AO		 8811 * config/sh/sh.c (mova_p): Fix test for mova_const.
8812
f85c14ee
NB		 88132001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8814
a42a5f59
ZW		 8815 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8816 cpp_get_options rather than dereferencing pfile and using
8817 CPP_OPTION.
8818 * scan-decls.c (scan_decls): Use return value of
8819 cpp_pop_buffer rather than CPP_BUFFER.
174fa2c4 8820
7e96d768
NB		 88212001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8822
a42a5f59
ZW		 8823 * cppinit.c (cpp_handle_option): help_only is now part of the
8824 cpp_options structure.
8825 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8826 cpp_set_callbacks): New functions.
8827 * cpplib.h (cpp_callbacks): Break out as a named structure.
8828 (cpp_options): Move help_only here from cpp_reader.
8829 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8830 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8831 cpp_set_callbacks): New prototypes.
8832 * cppmain.c (main): Update for help_only.
7e96d768 8833
23de1fbf
JM		 88342001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8835
8836 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8837 Also build and remove and install and uninstall c-tree.info and
8838 cppinternals.info.
8839 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8840 ($(srcdir)/cppinternals.info): New target.
8841 * c-tree.texi: Change file name used when makeinfo used without -o
8842 from ir.info to c-tree.info. Add info directory entry.
8843 * cppinternals.texi: Add info directory entry.
8844 * .cvsignore: Update.
8845
8b6a5902
JJ		 88462001-01-12 Jakub Jelinek <jakub@redhat.com>
8847
8848 * c-typeck.c (store_init_value): Don't require constant initializer
8849 elements with -pedantic -std=c99.
8850 (digest_init): Change error about non-constant initializer elements
8851 into pedwarn.
8852 (constructor_range_end): Remove.
8853 (constructor_incremental, designator_depth,
8854 designator_errorneous): New variables.
8855 (struct constructor_stack): Remove range_end, add incremental.
8856 (struct constructor_range_stack, constructor_range_stack): New.
8857 (struct initializer_stack): Add constructor_range_stack.
8858 (finish_init): Set it.
8859 (start_init): Likewise. require_constant_elements for non-static
8860 trees only if not flag_isoc99.
8861 (really_start_incremental_init): Remove constructor_range_end, add
8862 constructor_incremental.
8863 (pop_init_level): Likewise.
8864 (push_init_level): Likewise. If implicit and the subobject had some
8865 value set already, preinitialize the level with it.
8866 Warn about missing braces only if not pushing due to designators.
8867 (set_designator, push_range_stack): New functions.
8868 (set_init_label): Use them.
8869 (set_init_index): Likewise. Remove constructor_range_end.
8870 Error if designator index is outside of array bounds.
8871 (add_pending_init): Compare values of purpose index trees, not the
8872 trees themselves. Allow overwriting of already initialized element.
8873 Issue a warning if it had side-effects.
8874 (set_nonincremental_init, set_nonincremental_init_from_string): New
8875 functions.
8876 (pending_init_member): Rename to...
8877 (find_init_member): ...this function. Call set_nonincremental_init
8878 if necessary. Compare values of purpose index trees, not the trees
8879 themselves. Return the actual value, not just non-zero if something
8880 is found.
8881 (output_init_element): Remove checks for duplicates.
8882 If field has zero size, only check the initializer for correctness.
8883 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8884 if constructor_incremental is zero. Change error about initializers
8885 not computable at load time into pedwarn.
8886 (output_pending_init_elements): Compare bit positions, not
8887 FIELD_DECLs to take into account zero-sized fields.
8888 (process_init_element): Use constructor_range_stack to fill all
8889 ranges in the designator lists from current level up.
8890 * extend.texi: Update documentation for labeled elements.
8891
7dd232a8
AO		 88922001-01-12 Alexandre Oliva <aoliva@redhat.com>
8893
f474c6f8
AO		 8894 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8895 to function usage for arguments passed by reference. Optimize
8896 callee-copied arguments.
ec7c0481 8897 * regmove.c (replace_in_call_usage): New function.
f474c6f8
AO		 8898 (fixup_match_1): Call it.
8899 * cse.c (cse_insn): Canonicalize registers in function usage.
8900 * reload1.c (replace_pseudos_in_call_usage): New function.
8901 (reload): Call it.
8902
7dd232a8
AO		 8903 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8904 right version.
8905
d0285326
JJ		 89062001-01-12 Jakub Jelinek <jakub@redhat.com>
8907
8908 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8909 not XEXP (tmp, 0).
8910
770861f3
DD		 89112001-01-12 DJ Delorie <dj@redhat.com>
8912
8913 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8914 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8915 targets.
8916
5490d604
JM		 89172001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8918
8919 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8920 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8921 -std options alongside references to -ansi. Update some
8922 documentation for C99.
8923 * cpp.1: Regenerate.
8924
d24b8f53
AJ		 89252001-01-12 Andreas Jaeger <aj@suse.de>
8926
14052b68
AJ		 8927 * haifa-sched.c (restore_line_notes): Remove argument block B
8928 since it's unused.
8929 * sched-ebb.c (schedule_ebb): Change caller.
8930 * sched-rgn.c (schedule_region): Likewise.
8931 * sched-int.h (restore_line_notes): Adjust prototype.
8932
d24b8f53
AJ		 8933 * loop.h: Remove wrong declaration of doloop_condition_get.
8934
e6f3b89d
PE		 89352001-01-12 Phil Edwards <pme@sources.redhat.com>
8936
8937 * extend.texi: Move C++-extension-related node from the C section
20f9202d 8938 into the C++ section.
e6f3b89d 8939
89aed483
JM		 89402001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8941
8942 * extend.texi: Refer to an array of pointers to functions instead
8943 of one of functions.
8944
c3ffea50
AJ		 8945Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8946 Jan Hubicka <jh@suse.cz>
8947
d24b8f53 8948 * combine.c (reversed_comparison): Fix typo in last patch.
c3ffea50 8949 Check X for NULL.
d24b8f53
AJ		 8950 (combine_reversed_comparison_code): Make static to follow
8951 prototype declaration.
c3ffea50 8952
159227d5
PE		 89532001-01-12 Phil Edwards <pme@sources.redhat.com>
8954
8955 * install.texi: Remove misplaced duplicate entry.
8956
ac70ce21
UD		 89572001-01-11 Ulrich Drepper <drepper@redhat.com>
8958
8959 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8960
b660f82f
JW		 8961Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8962
8963 * final.c: (leaf_function_p): Fix typo.
8964
825b6926
ZW		 89652001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8966
8967 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8968 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8969 which you have.
8970 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8971 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8972 mmap_anon, and valloc is available.
8973 * ggc-page.c: Restructure ifdef logic to match new autoconf
8974 spec. Don't throw away the test page in init_ggc.
8975
8976 * configure, config.in: Regenerate.
8977
099f0f3f
MH		 89782001-01-12 Michael Hayes <mhayes@redhat.com>
8979
8980 * loop.h (total_biv_increment): Constify iv_class pointer.
8981 (struct induction): Replace `mem_mode' with `mem' rtx.
8982 * unroll.c (total_biv_increment): Constify iv_class pointer.
8983 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8984 (find_mem_givs, combine_givs_p): Likewise.
8985 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8986
69e905c8
TP		 89872001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8988
8989 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8990 LastError.
8991 (__gthread_getspecific): Ditto.
8992
9a915772
JH		 8993Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8994
8995 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8996 put_condition_code): Convert fp comparison codes to integer
8997 before handling.
8998 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8999 to final.
9000
9001 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9002 * i386-protos.h (no_comparison_operator): Kill.
9003
9004 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9005
9006 * combine.c (REVERSIBLE_CC_MODE): Remove.
9007 (reversible_comparison_p): Remove.
9008 (combine_reversed_comparison_code): New.
9009 (reversed_comparison): New.
9010 (combine_simplify_rtx): Use
9011 combine_reversed_comparison_code/reversed_comparison instead
9012 of reversible_comparison_p.
9013 (simplify_if_then_else): Likewise.
9014 (simplify_set): Likewise.
9015 (simplify_logical): Likewise.
9016 (if_then_else_cond): Likewise.
9017 (known_cond): Likewise.
9018 (simplify_comparison): Likewise.
9019
bbc7fda9
AL		 90202001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9021
9022 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9023 sizeof (int) is larger than sizeof(__word__).
825b6926 9024
a4299d07
NB		 90252001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9026
825b6926 9027 * cppinit.c (do_includes): Fix typo.
a4299d07 9028
76028b1f
SC		 90292001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9030
9031 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9032 in S_REGS does not occur because not all sources are possible
9033 when a S_REGS is a destination (sometimes needs a clobber).
9034 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9035 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9036 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9037 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9038 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9039 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9040 (lshrdi_const1, lshrsi3_const16): Likewise.
9041 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9042 (*movhi_68hc12, *movqi_68hc12): Likewise.
825b6926 9043 (movstrictqi): Make sure reloading in D_REGS as a destination
76028b1f
SC		 9044 does not happen.
9045
d3956766
NB		 90462001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9047
825b6926 9048 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
d3956766 9049
05e81724
NB		 90502001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9051
825b6926
ZW		 9052 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9053 -D, -U and -A, and don't initialize the builtins.
a4299d07 9054 (do_includes): Error if -include or -imacros with -fpreprocessed.
825b6926
ZW		 9055 * cppmain.c (cb_define, cb_undef): Unconditionally process
9056 the callback.
9057 * tradcpp.c (main): Fix typo.
05e81724
NB		 9058
90592000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
825b6926 9060
20f9202d
DB		 9061 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9062 (read_name_map): Use IS_ABSOLUTE_PATH.
9063 * tradcpp.c (get_filename): Likewise.
05e81724 9064
76d06edc
SC		 90652001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9066
9067 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9068 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9069 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9070 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9071 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9072 (cmphi_z_used): Don't use '@' for the output.
9073 (tstqi_z_used): Likewise.
9074 (cmpqi_z_used): Likewise.
9075 (one_cmplsi2): Likewise.
9076
1594c6bc
AO		 90772001-01-11 Alexandre Oliva <aoliva@redhat.com>
9078
9079 * config/sh/sh.c (barrier_align): Recognize branch around far
9080 branch and redundant insn.
9081
7da723ef
NB		 90822001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9083
825b6926 9084 * invoke.texi: Restore documentation of the drivers' switches -MD
7da723ef
NB		 9085 and -MMD.
9086
a738a85c
AO		 90872001-01-11 Alexandre Oliva <aoliva@redhat.com>
9088
f6f1dc95
AO		 9089 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9090
a738a85c
AO		 9091 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9092 check-objc//%): Support parallel testing of multilibs.
9093 (TESTSUITEDIR): Set to testsuite by default, but override for
9094 parallel testing.
9095 (check-gcc, check-g++, check-g77, check-objc): Enter
9096 $(TESTSUITEDIR).
9097
fb6754f0
BS		 90982001-01-11 Bernd Schmidt <bernds@redhat.com>
9099
9100 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9101 * sched-deps.c (deps_may_trap_p): Likewise.
9102 * basic-block.h: Remove a comment.
9103 * flow.c (PROP_POSTRELOAD): Remove.
9104 (update_life_info): Don't add it to prop_flags.
9105 (mark_set_1): Lose the code that was enabled by it.
9106
0ab409ed
MH		 91072001-01-11 Michael Hayes <mhayes@redhat.com>
9108
9109 * flow.c (flow_call_edges_add): New.
9110 * basic_block.h (flow_call_edges_add): New.
9111
ada6635f
R		 91122001-01-11 J"orn Rennecke <amylaar@redhat.com>
9113
9114 * reload1.c (move2add_note_store): Update reg_set_luid even if
9115 base reg remains the same.
9116
73d771f0
NC		 91172001-01-10 Nick Clifton <nickc@redhat.com>
9118
9119 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9120 machine_function structure to zero.
9121 Add prototypes for machine_status functions.
9122
cbd5937a
MM		 91232001-01-10 Mark Mitchell <mark@codesourcery.com>
9124
9125 * c-common.h (CTI_VOID_LIST): Remove.
9126 (void_list_node): Likewise.
9127 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9128 (void_list_node): New macro.
9129 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9130 * config/i386/i386.c (ix86_init_builtins): Likewise.
9131 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9132
2f638f96
NB		 91332001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9134
825b6926
ZW		 9135 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9136 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9137 if statement.
9138 * tradcpp.c: Include mkdeps.h.
9139 (deps, print_deps_phony_targets, deps_append, output_deps,
9140 init_dependency_output, output_deps): New.
9141 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9142 deps_output): Delete.
9143 (print_deps_missing_files): Rename deps_missing_files.
9144 (inhibit_output): Make global.
9145 (main): Delete inhibit_output, deps_stream, deps_target.
9146 Use mkdeps functionality in the same way as cpplib. Remove
9147 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9148 -M and -MM. Remove old handling of deps via deps_out, and
9149 old reading of environment variables.
9150 (get_filename): Update to use deps_add_dep.
2f638f96 9151
6c418184
MM		 91522001-01-10 Mark Mitchell <mark@codesourcery.com>
9153
9154 * output.h (make_function_rtl): Remove prototype.
9155 (make_decl_rtl): Likewise.
9156 * varasm.c (make_function_rtl): Remove.
9157 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9158 than from a third parameter.
9159 * tree.h (make_decl_rtl): Remove last parameter.
9160 * c-decl.c (builtin_function): Remove last argument in call to
9161 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9162 (start_function): Likewise.
9163 * except.c (call_get_eh_context): Likewise.
9164 * expr.c (emit_block_move): Likewise.
9165 (clear_storage): Likewise.
9166 * profile.c (output_func_start_profiler): Likewise.
9167 * toplev.c (rest_of_decl_compilation): Likewise.
9168 * objc/objc-act.c (create_builtin_decl): Likewise.
9169 (synth_module_prologue): Likewise.
9170 (generate_static_reference): Likewise.
9171 (build_selector_reference_decl): Likewise.
9172 (build_class_reference_decl): Likewise.
9173 (build_objc_string_decl): Likewise.
9174 (build_protocol_reference): Likewise.
9175
4621c640
RH		 91762001-01-10 Richard Henderson <rth@redhat.com>
9177
9178 * hwint.h: Revert yesterday's change.
9179
414c4dc4
NC		 91802001-01-10 Nick Clifton <nickc@redhat.com>
9181
9182 * function.h (save_machine_status): Delete.
9183 (restore_machine_status): Delete.
9184 Amend comment describing {init|mark|free}_machine_status.
9185
9186 * function.c (save_machine_status): Delete.
9187 (restore_machine_status): Delete.
9188 Amend comment describing {init|mark|free}_machine_status.
9189 (push_function_context_to): Remove invocation of
9190 save_machine_status.
9191 (pop_function_context_from): Remove invocation of
9192 restore_machine_status.
9193
9194 * emit-rtl.c (init_emit_once): Amend comment describing
825b6926 9195 {init|mark|free}_machine_status.
414c4dc4
NC		 9196
9197 * tm.texi (Per-Function Data): New node. Describe the
9198 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9199 function pointers.
9200
5c5d1ea0
NB		 92012001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9202
825b6926
ZW		 9203 * cppinit.c (OPT_g): Remove.
9204 (cpp_handle_option): Update for removed -g3.
9205 (print_help): Update.
9206 * cpplib.h (struct cpp_options): Remove debug_output.
9207 * cppmain.c (setup_callbacks, cb_define): Update.
9208 * gcc.c (cpp_options): Translate -g3 to -dD.
5c5d1ea0 9209
d9271ccc
AH		 92102001-01-10 Aldy Hernandez <aldyh@redhat.com>
9211
9212 * config/i960/i960.md: Change modifier to + on the zero_extract
825b6926 9213 pattern after the (rotate -2 reg) canonicalization pattern.
d9271ccc 9214
37b15744
RH		 92152001-01-10 Richard Henderson <rth@redhat.com>
9216
9217 * config/alpha/alpha.c (alpha_free_machine_status): New.
9218 (override_options): Install it.
9219 (alpha_mark_machine_status): Verify machine non-null.
9220 * config/i386/i386.c (ix86_free_machine_status): New.
9221 (override_options): Install it.
9222 (ix86_init_machine_status): Use xcalloc.
9223 (ix86_mark_machine_status): Verify machine non-null.
9224 * config/ia64/ia64.c (ia64_free_machine_status): New.
9225 (ia64_override_options): Install it.
9226 (ia64_mark_machine_status): Verify machine non-null.
9227
87c61e2d
JL		 9228Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9229
9230 * function.c (instantiate_virtual_regs): Instantiate virtual
9231 registers found in CALL_INSN_FUNCTION_USAGE.
9232
930bbdd2
JM		 92332001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9234
9235 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9236 equivalent to -ansi in disabling -Di386.
9237
c0c102a9
JH		 9238Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9239
9240 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9241 new functions.
9242 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9243
78053907
RE		 92442001-01-10 Richard Earnshaw <rearnsha@arm.com>
9245
9246 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9247
a7537031
JM		 92482001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9249
9250 * invoke.texi: Document that -fcond-mismatch isn't supported for
9251 C++.
9252
2642624b
JM		 92532001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9254
9255 * gcc.texi: Define macro gcctabopt.
9256 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9257 @command, @env and @option in some places where appropriate. Use
9258 @gcctabopt where appropriate. Put URLs and email addresses inside
9259 @w.
9260
11972f66 92612001-01-10 Nathan Sidwell <nathan@codesourcery.com>
825b6926
ZW		 9262
9263 * gcc.c (cpp_options): Set MD file name from output
9264 filename, if specified.
9265 (suffix_subst): New static variable.
9266 (do_spec): Clear it.
9267 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9268 Clear it.
9269 (give_switch): Handle suffix_subst.
11972f66 9270
0a75e5c3
PE		 92712001-01-10 Phil Edwards <pme@sources.redhat.com>
9272
9273 * invoke.texi: Fix another typo.
9274
9169269f
PE		 92752001-01-10 Phil Edwards <pme@sources.redhat.com>
9276
9277 * invoke.texi: Fix typo.
9278
ee811cfd
NB		 92792001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9280
825b6926
ZW		 9281 * c-lang.c (lang_hooks): Update.
9282 (lang_decode_option): Remove.
9283 (lang_init_options): Rename c_init_options.
9284 * toplev.c (main): Use lang_hooks for lang_init_options
9285 and lang_decode_option.
9286 * toplev.h (lang_hooks): Add 2 new hooks.
9287 * tree.h: Remove lang_init_options and lang_decode_option.
9288 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9289 * cp/decl2.c: Similarly.
9290 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9291 (lang_hooks): Update.
9292 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9293 for consistency.
9294 (lang_init_options): Rename ffe_init_options.
9295 (lang_hooks): Update.
9296 (lang_decode_option): Remove.
9297 * java/lang.c (lang_init_options): Rename java_init_options.
9298 (lang_decode_option): Rename java_decode_option.
9299 (lang_hooks): Update.
9300 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9301 (lang_decode_option): Rename objc_decode_option.
9302 (lang_hooks): Update.
ee811cfd 9303
8541c24b
NC		 93042001-01-09 Nick Clifton <nickc@redhat.com>
9305
9306 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9307 (d30v_return_addr_rtx): Delete.
9308 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9309 cfun->machine structure.
9310 (struct machine_function): Move to d30v.h
9311 (d30v_save_machine_status): Delete.
9312 (d30v_restore_machine_status): Delete.
9313 (d30v_init_machine_status): New Function.
9314 (d30v_mark_machine_status): New Function.
9315 (d30v_free_machine_status): New Function.
9316 (d30v_init_expanders): Use new functions.
9317 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9318 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9319 d30v_return_addr_rtx.
9320
9321 * config/d30v/d30v.h (struct_machine): Move here.
9322 Add eh_epilogue_sp_ofs field.
9323
9324 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9325 field in cfun->machine structure.
9326
4d5a6f78
JDA		 9327Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9328
9329 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9330 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9331 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9332
ecb7e784
JL		 9333Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9334
9335 * objc/lang-options.h: Remove bogus reference to
9336 Java trademark.
9337
35fb3d1f
KH		 93382001-01-09 Kazu Hirata <kazu@hxi.com>
9339
9340 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9341 return the result.
9342
4971426b
AL		 93432001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9344
9345 * reload.c (find_reloads_address): Check for eliminable registers
20f9202d 9346 when substituting a constant expression for a pseudo.
825b6926 9347
10a4c7ac
JM		 93482001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9349
9350 * c-common.c (enum format_type): Add format_type_error.
9351 (decode_format_type): New function.
9352 (decl_attributes): Use it.
9353 (format_kind_info): Adjust comment.
9354
f6e0c56c
DB		 93552001-01-09 David O'Brien <obrien@BSDi.com>
9356
9357 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9358 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9359 files in tm_file.
9360 * config/i386/gnu.h: Don't include required platform specific .h files,
9361 tm.h will do it instead.
9362 * config/i386/i386elf.h: Likewise.
9363 * config/i386/linux.h: Likewise.
9364 * config/i386/moss.h: Likewise.
9365 * config/mips/gnu.h: Likewise.
9366
e556ad19
FS		 93672001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9368
9369 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9370 (rs6000-ibm-aix3.[01]*): Likewise.
9371 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9372 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9373 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9374 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9375 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9376 (powerpc-*-eabiaix*): Likewise.
9377 (powerpc-*-eabisim*): Likewise.
9378 (powerpc-*-elf*): Likewise.
9379 (powerpc-*-eabi*): Likewise.
9380 (powerpc-*-rtems*): Likewise.
9381 (powerpc-*-linux*libc1): Likewise.
9382 (powerpc-*-linux*): Likewise.
9383 (powerpc-wrs-vxworks*): Likewise.
9384 (powerpcle-wrs-vxworks*): Likewise.
9385 (powerpcle-*-sysv*): Likewise.
9386 (powerpcle-*-elf*): Likewise.
9387 (powerpcle-*-eabisim*): Likewise.
9388 (powerpcle-*-eabi*): Likewise.
9389 (powerpcle-*-solaris2*): Likewise.
9390 * config/rs6000/aix31.h: Delete includes.
9391 * config/rs6000/aix3newas.h: Likewise.
9392 * config/rs6000/aix41.h: Likewise.
9393 * config/rs6000/aix43.h: Likewise.
9394 * config/rs6000/beos.h: Likewise.
9395 * config/rs6000/rtems.h: Likewise.
9396 * config/rs6000/sysv4.h: Likewise.
9397
9789584b
KH		 93982001-01-09 Kazu Hirata <kazu@hxi.com>
9399
9400 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9401 Change an argument mode of machine_mode to shift_mode of
9402 shift_mode. Remove an extra error check.
9403 (emit_a_shift): Adopt to the new calling prototype of
9404 get_shift_alg.
46d00fef
KH		 9405 (function_prologue): Fix code for a monitor
9406 function. Support H8/S.
9407 (function_epilogue): Do not output pop for a monitor function.
9789584b 9408
a2e11fd9
NC		 94092001-01-09 Nick Clifton <nickc@redhat.com>
9410
9411 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9412 (setup_incoming_varargs): Use sysv_varargs_p field of the
9413 cfun->machine structure.
9414 (struct machine_function): Move to rs6000.h
9415 (rs6000_save_machine_status): Delete.
9416 (rs6000_restore_machine_status): Delete.
9417 (rs6000_init_machine_status): New Function.
9418 (rs6000_free_machine_status): New Function.
9419 (rs6000_init_expanders): Use new functions.
9420
9421 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9422 export.
9423 (struct machine_function): Move here.
9424
9425 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9426 sysv_varargs_p field of the cfun->machine structure.
9427
9428 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9429 Remove prototype.
9430 (rs6000_restore_machine_status): Remove prototype.
9431
4ba478b8
RH		 94322001-01-09 Richard Henderson <rth@redhat.com>
9433
9434 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9435 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9436 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9437 (sched_analyze_2, sched_analyze_insn): Likewise.
9438 (sched_analyze, init_deps): Likewise.
9439 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9440 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9441 (compute_block_backward_dependences): Update propagate_deps call.
9442
9c1fcbfb
ME		 94432001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9444
9445 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9446
e582248c
NB		 94472001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9448
825b6926
ZW		 9449 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9450 (cpp_handle_option): Handle them.
9451 (cpp_post_options): Ensure one of -M or -MM is specified with
9452 any other -M? option.
9453 (init_dependency_output): Suppress output with -MG.
e582248c
NB		 9454
94552001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9456
825b6926
ZW		 9457 * cpp.texi: Update.
9458 * invoke.texi: Update.
e582248c 9459
7894cb27
BS		 94602001-01-09 Bernd Schmidt <bernds@redhat.com>
9461
9462 * sh.md (reload_outsf): Generate recognizable patterns for
9463 TARGET_SH3E.
9464
9f56ed15
NB		 94652001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9466
9467 * c-lang.c (lang_hooks): Update.
825b6926
ZW		 9468 (lang_init): Rename c_init.
9469 (lang_finish): Remove.
9470 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9471 and lang_finish ().
9472 * toplev.h (lang_hooks): Add init () and finish ().
9473 * tree.h (lang_init, lang_finish): Remove.
9474 * cp/tree.h (lang_init, lang_finish): Remove.
9475 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9476 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9477 lang_hooks): New.
9478 (lang_init, lang_finish): Remove.
9479 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9480 (lang_hooks): Update.
9481 * java/lang.c (lang_init): Rename java_init.
9482 (lang_finish): Remove.
9483 (lang_hooks): Update.
9484 * objc/objc-act.c (lang_init): Rename objc_init.
9485 (lang_finish): Remove.
9486 (lang_hoooks): Update.
9f56ed15 9487
fb83deef
GS		 948820001-01-09 Graham Stott <grahams@redhat.com>
9489
9490 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9491 after `ptr` is initialised.
9492
ec4ad0f9
AO		 94932001-01-09 Alexandre Oliva <aoliva@redhat.com>
9494
9495 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9496 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9497 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9498 stack adjusts, instead of r3.
9499
eab02feb
MH		 95002001-01-09 Michael Hayes <mhayes@redhat.com>
9501
9502 * flow.c (flow_loop_scan): Break out of ...
9503 (flow_loops_find) ... here.
9504 * basic-block.h (flow_loop_scan): New.
9505 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9506 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9507
bad48d7e
AO		 95082001-01-09 Alexandre Oliva <aoliva@redhat.com>
9509
4b49c365
AO		 9510 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9511 macro_buffer_len.
9512 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9513 realloc()ing macro_buffer.
9514
bad48d7e
AO		 9515 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9516 if it's wider than long and the target's long is wider than the
9517 host's.
9518
34fa3e7d
MM		 95192001-01-09 Mark Mitchell <mark@codesourcery.com>
9520
9521 Remove support for using UWIN as a host machine.
9522 * configure.in: Issue an error message.
9523 * configure: Regenerated.
9524 * config.gcc: Remove xm_* UWIN configury.
9525 * config/i386/xm-uwin.h: Remove.
9526
61db4608
NC		 95272001-01-08 Nick Clifton <nickc@redhat.com>
9528
9529 * config/v850/v850.c (ra_rtx): Delete.
825b6926 9530 (v850_save_machine_status): Delete.
61db4608
NC		 9531 (v850_restore_machine_status): Delete.
9532 (v850_init_machine_status): New function.
9533 (v850_mark_machine_status): New function.
9534 (v850_free_machine_status): New function.
9535 (v850_return_addr): Use ra_rtx field in machine structure.
9536 (v850_init_expanders): Use new functions.
9537
9538 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9539 * config/v850/v850.c: Change arguments to v850_output+* functions
9540 to take a const char *, to avoid compile time warning.
9541 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9542 (USER_LABEL_PREFIX): Redefine.
825b6926 9543
9c8fad33
JW		 95442000-01-08 Jim Wilson <wilson@redhat.com>
9545
9546 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9547 1 to unsigned HOST_WIDE_INT before left shift.
9548
f7a80099
NC		 95492001-01-08 Nick Clifton <nickc@redhat.com>
9550
9551 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9552 the machine structure has been allocated.
9553 (arm_free_machine_status): New function: Free the machine
9554 specific function structure.
9555
3c74f8f9
RH		 95562001-01-08 Richard Henderson <rth@redhat.com>
9557
9558 * jump.c (simplejump_p): Revert last change.
9559
674c3b40
NB		 95602001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9561
825b6926
ZW		 9562 * cppinit.c (init): Rename init_library.
9563 (cpp_create_reader): Update.
9564 * gcc.c (cpp_options): If -o given, use it as the target of
9565 any -M options.
674c3b40 9566
b15bca31
RE		 95672001-01-08 Richard Earnshaw <rearnsha@arm.com>
9568
9569 * arm.c (arm_arch5e): New variable.
9570 (all_cores): XScale is a 5TE device.
9571 (arm_override_options): Set arm_arch5e.
9572 (arm_init_builtins): __builtin_prefetch is in arch5e.
9573 * arm.h (arm_arch5e): Declare it.
9574
9575 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9576
9577 * arm.md (define_constants): Add defines for UNSPEC and
9578 UNSPEC_VOLATILE insns. Update all users.
9579 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9580 * arm.c (multi_register_push, note_invalid_constants)
9581 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9582 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9583 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
825b6926 9584
261efdef
JH		 9585Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9586
9587 * jump.c (jump_optimize_1): Use reversed_comparison_code
9588 instead of can_reverse_comparison_p.
9589 (jump_back_p): Likewise.
9590 (invert_exp_1): Likewise.
9591 (thread_jumps): Likewise.
9592 * simplify-rtx.c (simplify_unary_operation): Likewise.
9593 (simplify_ternary_operation): Likewise.
9594 * cse.c (find_comparison_args): Convert to use
9595 can_reverse_comparison_p.
9596 (record_jump_equiv): Likewise.
9597
c7861455
RE		 95982001-01-08 Richard Earnshaw <rearnsha@arm.com>
9599
9600 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9601 (EPILOGUE_USES): Define.
825b6926 9602 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
c7861455
RE		 9603 automatically stack the LR if it isn't live.
9604
734dba19
JH		 9605Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9606
9607 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9608 properly.
9609
b1095f9c
MM		 9610Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9611
9612 * ggc-page.c (max_alignment): New structure.
9613 (MAX_ALIGNMENT): New macro.
9614 (init_ggc): Use it to round up the sizes in the
9615 extra_order_size_table.
9616
a701949a
FS		 96172001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9618
9619 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9620 after reload.
9621
18f988a0
KG		 96222001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9623
9624 * builtins.def (BUILT_IN_FPRINTF): New entry.
9625
9626 * c-common.c (c_expand_builtin_fprintf): New function.
9627 (init_function_format_info): Handle __builtin_fprintf.
9628 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9629 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9630
9631 * c-decl.c (duplicate_decls): Adjust comment.
9632
9633 * extend.texi (fprintf): Document new builtin.
9634
8cd0792f
RH		 96352001-01-07 Richard Henderson <rth@redhat.com>
9636
9637 * jump.c (simplejump_p): Recognize any single_set jump
9638 of the proper form.
9639
5b15f277
RH		 96402001-01-07 Richard Henderson <rth@redhat.com>
9641
9642 * configure.in (slibdir): Accept an --with-slibdir option.
9643 Use "test" not "[" in configure. Default to $(libdir).
9644
9c2e06d9
RH		 9645 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9646 fix typo in rm -f.
9647 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9648 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9649 (SHLIB_LINK): Create links for the soname.
9650 * config/mips/t-iris6: Likewise.
9651 * config/sparc/t-slibgcc: Likewise.
9652 * config/sparc/t-slibgcc-sld: Likewise.
9653
eaf19aba
JJ		 96542001-01-07 Jakub Jelinek <jakub@redhat.com>
9655
9656 * config/i386/i386.c (constant_call_address_operand): Accept
9657 (const (plus (symbol_ref) (const_int))).
9658 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9659 constant_call_address_operand.
9660
a8b462be
MH		 96612001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9662
9663 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9664 and LONG_LONG_TYPE_SIZE > 32.
9665
3799607a
GP		 96662001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9667
9668 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9669 the previous change.
9670
ab94bc48
JH		 9671Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9672
9673 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9674 New.
9675 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9676 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9677 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9678 Declare.
9679
f6a13bff
NB		 96802001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9681
825b6926 9682 * fix-header.c (read_scan_file): s/pfile/scan_in/.
f6a13bff 9683
96302433
NB		 96842001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9685
825b6926 9686 * c-lang.c (c_post_options): Call cpp_post_options.
96302433
NB		 9687 * objc/objc-act.c (objc_post_options): Similarly.
9688 * cppmain.c (main): Similarly.
825b6926
ZW		 9689 * fix-header.c (read_scan_file): Similarly.
9690 * cppinit.c (cpp_start_read): Move option consistency checks
9691 to cpp_post_options. Don't call init_dependency_output.
9692 If needed, add default target and main file dependency.
9693 (OPT_MD, OPT_MMD): Remove.
9694 (OPT_MF): New.
9695 (cpp_handle_option): Update for OPT_* changes.
9696 (cpp_post_options): New.
9697 (init_dependency_output): Command line -MF overrides environment
9698 variables. Don't set default target etc. Suppress output
9699 if dependencies are going to stdout.
9700 (print_help): Update.
9701 * cpplib.h (cpp_post_options): New.
9702 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9703
b34878a3
JH		 9704Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9705
9706 * jump.c (comparison_dominates_p): Support unordered compares.
9707
1f36a2dd
JH		 9708Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9709
9710 * simplify-rtx.c (simplify_relational_operation): Always simplify
9711 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9712 and UNGE.
9713
69bc0a1f
JH		 9714Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9715
9716 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9717 (nonzero_bits): Likewise.
9718 (simplify_comparison): Likewise.
9719 (num_sign_bit_copies): Likewise; return more sane value depending
9720 on STORE_FLAG_VALUE.
9721 (known_cond): Do not assume EQ to be always true for equivalent
9722 operands.
9723
fd13313f
JH		 9724Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9725
9726 * cse.c (fold_rtx): Handle unordered comparisons.
9727
91b2d119
JH		 9728Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9729
9730 * rtlanal.c (set_of_1): New static function.
9731 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9732 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9733 reg_set_last_last_regno): Remove.
9734 (set_of): New global function.
9735 (set_of_data): New structure.
9736 (reg_set_p, reg_set_last): Revamp for set_of.
9737 * rtl.h (set_of): New.
9738
796cdb65
JM		 97392001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9740
9741 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9742 * extend.texi: Document _Exit builtin.
9743
7ca3d2b1
NB		 97442001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9745
825b6926
ZW		 9746 * (initialize, initialize_builtins,
9747 initialize_dependency_output, initialize_standard_includes):
9748 Rename s/initialize/init. Update.
9749 (init_dependency_output): Move to after
9750 cpp_handle_options, the correct location temporally at least.
9751 (opt_comp): Move next to init (), its caller. Fix prototype.
9752 (init): Make "initialized" local scope.
9753 (cpp_create_reader): Always call init ().
9754 (cpp_start_read): Update.
9755 (output_deps): New function, broken out of cpp_finish.
9756 (cpp_finish): Break out output_deps.
7ca3d2b1 9757
34445094
RH		 97582001-01-07 Richard Henderson <rth@redhat.com>
9759
9760 * collect2.c (COFF specific stuff): Revert 12-06 patch
9761 to prototype system functions.
9762
96a45535
MH		 97632001-01-07 Michael Hayes <mhayes@redhat.com>
9764
9765 * hard-reg-set.h: Add multiple include guard.
9766 * basic-block.h (struct loop): Add `sink' field.
9767 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9768 (emit_iv_add_mult): Delete.
9769 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9770 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9771 (unroll_loop): Remove end_insert_before argument.
9772 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9773 (maybe_eliminate_biv_1): Likewise.
9774 (emit_iv_add_mult): Delete.
9775 (gen_add_mult, loop_regs_update): New.
9776 (loop_insn_emit_after, loop_insn_emit_before): New.
9777 (loop_insn_sink, loop_insn_sink_or_swim): New.
9778 (emit_iv_add_mult): Delete.
9779 (scan_loop): Set loop->sink.
9780 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9781 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9782 (maybe_eliminate_biv_1): Likewise.
9783 (maybe_eliminate_biv_1): Add basic block argument.
9784 * unroll.c (unroll_loop): Remove end_insert_before argument.
9785 (find_splittable_regs): Likewise.
9786 (find_splittable_regs): Use loop_insn_sink and its ilk.
9787 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9788
804a718a
MH		 97892001-01-07 Michael Hayes <mhayes@redhat.com>
9790
9791 * loop.h (loop_insn_hoist): New prototype.
9792 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9793 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9794 (check_dbra_loop, load_mems): Likewise.
9795 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9796 (find_splittable_givs): Likewise.
9797
30a1181a
MH		 97982001-01-07 Michael Hayes <mhayes@redhat.com>
9799
9800 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9801
cabf3891
RH		 98022001-01-07 Richard Henderson <rth@redhat.com>
9803
9804 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9805
9db0819e
RH		 98062001-01-07 Richard Henderson <rth@redhat.com>
9807
9808 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9809 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9810 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9811 variant that handles a shared libgcc.
9812 (process_command): Always validate -{static,shared}-libgcc.
9813 (do_spec_1): New 'M' case.
9814 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9815
2bbea3a6
RH		 98162001-01-07 Richard Henderson <rth@redhat.com>
9817
9818 * Makefile.in (slibdir): New variable.
9819 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9820 (installdirs): Create slibdir.
9821 (install-libgcc, install-multilib): Defer to libgcc.mk.
9822 * configure.in (slibdir): Substitute.
9823 * mklibgcc.in (install): New target.
9824
9825 * config/t-linux (SHLIB_LINK): Create links for the soname.
9826 (SHLIB_INSTALL): New.
9827 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9828 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9829 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9830 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9831 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9832
fc51424c
RH		 98332001-01-07 Richard Henderson <rth@redhat.com>
9834
9835 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9836 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9837 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9838
1d7ae250
MH		 98392001-01-07 Michael Hayes <mhayes@redhat.com>
9840
9841 * loop.c (count_loop_regs_set): Delete.
9842 (load_mems_and_recount_loop_regs_set): Delete.
9843 (loop_regs_scan): Merge common code from count_loop_regs_set,
9844 scan_loop, and load_mems_and_recount_loop_regs_set.
9845 (scan_loop): Call load_mems directly and loop_regs_scan
9846 again if new registers created.
9847
cd2a3ba2
NB		 98482001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9849
825b6926
ZW		 9850 * toplev.c (main): Call the front-end specific post_options
9851 hook if one is given.
9852 * toplev.h (struct_lang_hooks, lang_hooks): New.
9853 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9854 for the C front end.
9855 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9856 lang_hooks for the C++ front end.
9857 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9858 lang_hooks for the ObjC front end.
9859 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9860 * java/lang.c (lang_hooks): Hooks for the Java front end.
cd2a3ba2 9861
65289a3a
NB		 98622001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9863
825b6926
ZW		 9864 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9865 for verbose DWARF[2] debugging.
9866 (cb_define, cb_undef): The new callbacks.
9867 * toplev.h (debug_define, debug_undef): Make const correct.
9868 * toplev.c (debug_define, debug_undef): Similarly. Do not
9869 perform the verbosity tests here anymore.
65289a3a 9870
f759eb8b
AO		 98712001-01-07 Alexandre Oliva <aoliva@redhat.com>
9872
9873 * reload.c (subst_reloads): Take INSN argument. When
9874 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9875 * reload.h (subst_reloads): Adjust prototype.
9876 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9877 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9878 present in JUMP_INSNs and copy them to JUMP_LABEL.
9879 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9880 JUMP_INSNs and insns with REG_LABELs that are followed by
9881 JUMP_INSNs with the same REG_LABEL.
9882 * sched-rgn.c (is_cfg_nonregular): Likewise.
9883 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9884 note is available.
9885 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9886 JUMP_INSNs too.
9887 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9888
587f56c2
RH		 98892001-01-06 Richard Henderson <rth@redhat.com>
9890
9891 * loop.c (scan_loop): Use xcalloc for the regs array.
9892 (load_mems_and_recount_loop_regs_set): Zero the new memory
9893 received from xrealloc.
9894
fa6f74f6
NB		 98952001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9896
9897 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9898
ea55fa7a
R		 9899Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9900
9901 * integrate.c (copy_rtx_and_substitute): When copying
9902 an ignored return value, strip REG_FUNCTION_VALUE_P.
9903
c804f3f8
MH		 99042001-01-06 Michael Hayes <mhayes@redhat.com>
9905
9906 * loop.c (debug_biv, debug_giv): New.
9907 (loop_biv_dump): Break out from ...
9908 (record_biv): ... here.
9909 (loop_giv_dump): Break out from ...
9910 (record_giv): ... here.
9911 (loop_bivs_check): Use print_simple_rtl.
9912 * unroll.c (loop_iterations): Use print_simple_rtl.
9913
d492b096
JDA		 99142000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9915
9916 * pa.md (return, return_internal): Modify patterns to prevent regrename
9917 mucking with the return pointer.
9918
f7d2b0ed
RH		 99192001-01-05 Richard Henderson <rth@redhat.com>
9920
9921 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9922
0426e049
NC		 9923Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9924
9925 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9926 version supplied by Matteo Frigo.
9927
f7114e17
NB		 99282001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9929
825b6926
ZW		 9930 * cpp.texi: Update for -MQ.
9931 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9932 (cpp_cleanup): Always free pfile->deps.
9933 (initialize_dependency_output): Don't create pfile->deps.
9934 (cpp_handle_option): Similarly.
9935 (OPT_MQ): New.
9936 * gcc.c (cpp_options): Handle -MQ.
9937 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9938 * mkdeps.c (base_name): Remove.
9939 (deps_init): Don't allocate vector space until it's needed.
9940 (deps_free): Only free vectors if allocated.
9941 (deps_add_target, deps_add_dep): Update for initial allocation.
9942 (deps_add_default_target): Don't strip to the base_name.
f7114e17 9943
a64761a3
DD		 99442001-01-05 DJ Delorie <dj@redhat.com>
9945
9946 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9947 (INIT_EXPANDERS): Define.
9948
9949 * config/v850/v850.c (struct machine_function): Define.
9950 (v850_save_machine_status): New function.
9951 (v850_restore_machine_status): New function.
9952 (v850_return_addr): New function.
9953 (v850_init_expanders): New function.
9954
9955 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9956 and v850_init_expanders.
825b6926 9957
f4cdc368
ZW		 99582001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9959
9960 * cpplib.h (struct cpp_reader): Add help_only field.
9961 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9962 (cpp_handle_option): Set pfile->help_only if we see -h,
9963 --help, -target-help, or --version. Print version string but
9964 do not set help_only if we see -v or -version. Make text
9965 printed by -v match that printed by (-)-version.
9966
9967 * cppmain.c (main): Exit after option parsing if
9968 pfile->help_only is true.
9969
9970 * toplev.c (independent_decode_option): Call print_version,
9971 then exit, if we see --version (but not -version).
9972 (print_version): Split lengthy message into two lines.
9973
3326b760
NC		 99742001-01-05 Nick Clifton <nickc@redhat.com>
9975
9976 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9977 temporary string for initialisation before calling ggc_alloc_string.
9978
75b7557d
MH		 99792001-01-06 Michael Hayes <mhayes@redhat.com>
9980
9981 * rtl.h (print_simple_rtl): New.
9982 * print-rtl.c (print_simple_rtl): New.
9983 (flag_simple): New.
9984 (print_rtx): Disable printing of flags and modes, etc.,
825b6926 9985 if `flag_simple` nonzero.
75b7557d 9986
b05467dc
ZW		 99872001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9988
9989 * function.c (fixup_var_refs): Use push_to_full_sequence where
9990 possible.
9991
b883f801
MM		 99922001-01-05 Michael Meissner <meissner@redhat.com>
9993
9994 * flags.h (flag_reorder_blocks): Add declaration.
9995 (flag_rename_block): Ditto.
9996
cc1fe44f
DD		 99972001-01-05 DJ Delorie <dj@redhat.com>
9998
9999 * function.c (reorder_blocks): Make sure the flags are all reset
10000 before using them to mark blocks, else a second invocation will
10001 corrupt the block chain.
10002 (reorder_blocks_0): New, resets the flags.
10003
8b03b984
R		 10004Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10005
10006 * cse.c (find_comparison_args): Stop if the argument is known to
10007 be constant.
10008
18a7c2a7
AO		 100092001-01-05 Alexandre Oliva <aoliva@redhat.com>
10010
10011 * config/sh/sh.md (movdf): When splitting load into pair of
10012 registers, don't clobber the register used in the address too
10013 early.
10014
fcbd8ef2
JO		 100152001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10016
10017 * varasm.c (mark_constant_pool): Improve initial comments.
10018 (mark_constants): Move marking of constants to mark_constant.
10019 (mark_constant): New function to recursively mark all constants
10020 referred to by a constant.
10021
ebb0cdf3
CM		 100222001-01-05 Catherine Moore <clm@redhat.com>
10023
10024 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10025
3b4e6a16
PE		 100262001-01-05 Phil Edwards <pme@sources.redhat.com>
10027
10028 * cp/lang-options.h: Bring comment in line with reality.
10029 * f/lang-options.h: Likewise.
10030 * java/lang-options.h: Likewise.
10031 * objc/lang-options.h: Likewise.
10032 * ch/lang-options.h: Likewise.
10033 * f/g77.texi: And update the manual.
10034
dcfb1a36
MM		 100352001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10036 Denis Chertykov <denisc@overta.ru>
10037
10038 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10039 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10040 * config/avr/avr.md (all peepholes that request a scratch register):
10041 Call it, FAIL the peephole if not safe (in interrupt functions).
10042
cef3d50c
MM		 100432001-01-05 Mark Mitchell <mark@codesourcery.com>
10044
10045 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10046
341e3d11
JM		 100472001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10048
10049 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10050 Define.
10051 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10052 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10053 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10054 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10055 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10056 BUILT_IN_CIMAG.
10057 * extend.texi: Document these builtins.
10058
604bb87d
DB		 100592001-01-05 Daniel Berlin <dberlin@redhat.com>
10060
10061 * c-common.c (lang_get_alias_set): Say we know nothing of
825b6926 10062 VECTOR_TYPE aliasing.
604bb87d
DB		 10063
10064 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10065
15fe1a7e
BK		 100662001-01-05 Bruce Korb <bkorb@gnu.org>
10067
10068 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10069 their x* equivalent versions for atexit-less systems
10070 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10071 systems (or any other system any more).
10072
b0888988
RE		 100732001-01-05 Richard Earnshaw <rearnsha@arm.com>
10074
10075 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10076 output operands. Use arm_hard_register_operand for operand 4.
10077 (stmsi_postinc): Similarly.
10078 (ldmsi): Use arm_hard_register_operand for opernand 2.
10079 (stmsi): Similarly.
10080 * arm.c (arm_hard_register_operand): New function.
10081 * arm-protos.h (arm_hard_register_operand): Prototype it.
10082
10083 * arm.h (HARD_REGNO_RENAME_OK): Define.
10084
90a74703
JH		 10085Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10086
10087 * simplify-rtx.c (cfc_args): add "unordered" field.
10088 (check_fold_consts): Set unordered field.
10089 (simplify_relational_operation): Simplify the unordered
10090 comparisons.
10091
10092 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10093 is valid.
10094
10095 * emit-rtl.c (try_split): Fix code to mark labels.
10096 * jump.c (mark_jump_label): Make global.
10097 * rtl.h (mark_jump_label): Declare.
10098
10099 * predict.c (estimate_probability): Handle unordred comparisons.
10100
a5a4ce3c
NB		 101012001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10102
825b6926
ZW		 10103 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10104 * cppinit.c (initialize_dependency_output): Update.
10105 (cpp_finish): Output dummy targets for -MP.
10106 (OPT_MP): New.
10107 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10108 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10109 * gcc.c (cpp_options): Update to handle -MP.
10110 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10111 to quote only the default target.
10112 (deps_phony_targets): Insert a preceding newline. Rename from
10113 deps_dummy_targets for consistency.
10114 * mkdeps.h: Update
a5a4ce3c 10115
97fc4caf
AO		 101162001-01-05 Alexandre Oliva <aoliva@redhat.com>
10117
10118 * calls.c (emit_library_call_value_1): Support
10119 INIT_CUMULATIVE_LIBCALL_ARGS.
10120 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10121
ffc5c6a9
RH		 101222001-01-04 Richard Henderson <rth@redhat.com>
10123
10124 * c-decl.c (finish_struct): Detect flexible array members
10125 used in an inappropriate context.
10126 * c-typeck.c (really_start_incremental_init): Special case
10127 constructor_max_index for zero length arrays.
10128 (pop_init_level): Allow initialization of flexible array
10129 members. Deprecate initialization of zero length arrays.
10130 Don't issue missing initializer warning for flexible array
10131 members or zero length arrays.
10132 (process_init_element): Don't dereference null DECL_SIZE.
10133 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10134 Don't abort for empty constructors. Use size_binop
825b6926 10135 (output_constructor): Add commentary regarding zero length
ffc5c6a9
RH		 10136 array futures. Abort if we try to initialize an array of
10137 unspecified length with a non-empty constructor in the middle
10138 of a structure.
10139
10140 * extend.texi (Zero Length): Update and clarify documentation
10141 on static initialization.
10142
69f6e760
MH		 101432001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10144
10145 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10146 with more than 32767 words of local storage.
10147
06dd70c6
MH		 101482001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10149
10150 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10151 for 'abs', 'labs', and 'fabs'.
10152 (c4x_expand_builtin): Likewise.
10153 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10154
99e87c10
AO		 101552001-01-05 Alexandre Oliva <aoliva@redhat.com>
10156
10157 * config/sh/sh.md (prget, prset): New insn types.
10158 (return delay slot): Dont' allow prset.
10159 (call, sfunc delay slot): Don't allow prget.
10160 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10161 for prset and prget.
10162
576d0b54 101632001-01-05 Michael Hayes <mhayes@redhat.com>
825b6926 10164
f1d4ac80
MH		 10165 * loop.h (struct loop_reg): New.
10166 (struct loop_regs): Change to use array of `struct loop_reg'.
10167 * loop.c: Replace assortment of varrays with single regs array.
10168 (count_one_set): Delete may_not_move array argument
10169 and use regs array instead. All caller's changed.
10170 (count_loop_regs_set): Delete may_not_move and single_usage
10171 arguments and use regs array instead. All caller's changed.
10172 (find_single_use_in_loop): Replace usage array argument with pointer
10173 to regs structure. All caller's changed.
10174 (loop_optimize): Delete `moved_once' array.
10175
101762001-01-05 Michael Hayes <mhayes@redhat.com>
825b6926 10177
576d0b54
MH		 10178 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10179 Use it instead of loop_info->has_call for scanning loop mems.
10180 (check_dbra_loop): Replace loop_info->has_call test with
10181 loop_info->has_nonconst_call.
10182
616af7ee
MH		 101832000-01-04 Matthew Hiller <hiller@redhat.com>
10184
10185 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10186 for TARGET_SH3E.
10187
32812a40
JM		 101882001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10189
10190 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10191 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10192
eaa7c03f
JM		 101932001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10194
10195 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10196 (flag_short_double, flag_short_wchar): Define.
10197 (c_common_nodes_and_builtins): Create many tree nodes shared
10198 between C and C++ here instead of in cp/decl.c and ...
10199 * c-decl.c (init_decl_processing): ... here.
10200 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10201 (flag_short_double, flag_short_wchar): Don't define.
10202 (record_builtin_type): New function.
10203 (build_void_list_node): New function.
10204 * c-common.h (flag_short_double, flag_short_wchar,
10205 record_builtin_type, build_void_list_node): Declare.
10206
e2a5f96b
R		 10207Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10208
10209 * integrate.c (expand_inline_function): Don't put a virtual
10210 register into the reg map.
10211
10212 * function.c (fixup_var_refs_1): If force_operand didn't put
10213 the address into the target, move it there.
10214
2be510b8
MM		 102152001-01-04 Mark Mitchell <mark@codesourcery.com>
10216
10217 Special-case tree_decl/tree_list allocations.
10218 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10219 (OBJECT_SIZE): New macro.
10220 (NUM_EXTRA_ORDER): Likewise.
10221 (extra_order_size_table): New variable.
10222 (NUM_ORDERS): New macro.
10223 (objects_per_page_table): New variable.
10224 (object_size_table): New variable.
10225 (G.pages): Use NUM_ORDERS to bound the array.
10226 (G.page_tails): Likewise.
10227 (DIV_ROUND_UP): Remove.
10228 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10229 (alloc_page): Use OBJECT_SIZE.
10230 (size_lookup): Don't make it const.
10231 (ggc_alloc): Use OBJECT_SIZE.
10232 (ggc_set_mark): Likewise.
10233 (ggc_get_size): Likewise.
10234 (init_ggc): Set up the object_size_table, objects_per_page_table,
10235 and adjust size_lookup.
10236 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10237 (ggc_pop_context): Use NUM_ORDERS.
10238 (clear_marks): Likewise.
10239 (sweep_pages): Likewise.
10240 (poison_pages): Likewise.
10241 (ggc_print_statistics): Use OBJECT_SIZE.
10242
bf1aaf0a
RK		 10243Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10244
10245 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10246 Only call array_size_for_constructor if last field and array type
10247 with no upper bound.
10248
ceebdb09
PB		 102492001-01-04 Philip Blundell <philb@gnu.org>
10250
10251 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10252 from bit 31 downwards, if this requires no more insns.
10253 (count_insns_for_constant): New helper function for above.
10254
1fd4f141
AO		 102552001-01-04 Alexandre Oliva <aoliva@redhat.com>
10256
10257 * gencodes.c (output_predicate_decls): Remove empty initializer.
10258
3af4c257
MM		 102592001-01-04 Mark Mitchell <mark@codesourcery.com>
10260
10261 * tree.c (copy_node): Remove documentation about obstacks.
10262 (buidl1): Check that nobody tries to build 2-argument nodes this
10263 way.
10264
30472f46
KG		 102652001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10266
a41d0855
KG		 10267 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10268 fp_high_losum_p.
10269
30472f46
KG		 10270 * gencodes.c (output_predicate_decls): Fill empty initializer
10271 braces.
10272
c3843cea
JJ		 102732001-01-04 Jakub Jelinek <jakub@redhat.com>
10274
10275 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10276 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10277 or -MM.
10278 (do_include): Handle missing headers like cpp0.
10279 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10280 paths with first include pathname. Don't strcat to uninitialized
10281 string.
10282
f4d578da
BS		 102832001-01-04 Bernd Schmidt <bernds@redhat.com>
10284
10285 * regrename.c (regrename_optimize): Don't rename from frame pointer
10286 if frame_pointer_needed.
10287 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10288 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10289 (ia64_reorg): Use it instead of scheduling if ! optimize.
10290 (errata_emit_nops): Properly call asm_noperands.
10291 (ia64_sched_reorder): Finish cycle if we see an asm.
10292 (ia64_variable_issue): Clear scheduling state after asms.
10293
03b9ab42
NB		 102942001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10295
825b6926
ZW		 10296 * cpp.texi: Update for -MT.
10297 * cppinit.c (initialize_dependency_output): Add a default
10298 target if none has been given already.
10299 (no_tgt, OPT_MT): New.
10300 (cpp_handle_option): Handle -MT. Update -M etc.
10301 * cpplib.h (struct cpp_options): Remove deps_target.
10302 * gcc.c (cpp_options): Handle -MT.
10303 * mkdeps.c (struct deps): Move from mkdeps.h.
10304 (deps_calc_target): Rename deps_add_default_target. Add a
10305 default target if none has been specified already.
10306 * mkdeps.h (struct deps): Move to mkdeps.c.
10307 (deps_calc_target): Rename deps_add_default_target.
03b9ab42 10308
584ef5fe
RH		 103092000-01-03 Richard Henderson <rth@redhat.com>
10310
10311 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10312 Remove dead code.
10313 * c-typeck.c (push_init_level): Move checks for flexible array
10314 members and zero length arrays ...
10315 (pop_init_level): ... here. Silently discard empty initializations.
10316 Remove dead code.
10317 * varasm.c (output_constructor): Update for sizeof change to
10318 zero-length arrays.
10319
10320 * extend.texi (Zero Length): Clarify semantics.
10321
04d430b8
AO		 103222001-01-03 Alexandre Oliva <aoliva@redhat.com>
10323
10324 * configure.in (tm.h): Include isns-codes.h last.
10325 * configure: Rebuilt.
10326
e55a9a6e
RH		 103272001-01-03 Richard Henderson <rth@redhat.com>
10328
10329 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10330 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
825b6926 10331
fa5db828
FS		 103322001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10333
10334 * tradcpp.c (main): Make sure finclude() is called with a valid
10335 indepth value while handling -include.
10336
975d393a
AO		 103372001-01-03 Alexandre Oliva <aoliva@redhat.com>
10338
10339 * gencodes.c (output_predicate_decls): New function.
10340 (main): Call it.
10341 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10342 even if it is not the first time machmode.h is #included.
10343 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10344 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10345 * gcc.texi (Copyright): Added 2001.
10346
03dc0325
JM		 103472001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10348
10349 * c-common.c (c_common_lang_init): New function. Warn if format
10350 warning options which only have effects when used with -Wformat
10351 are used without -Wformat.
10352 * c-common.h (c_common_lang_init): Declare.
10353 * c-lang.c (lang_init): Call c_common_lang_init.
10354 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10355
955be633
JM		 103562001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10357
10358 * configure.in: Check for the mktemp command.
10359 * configure: Regenerate.
10360 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10361 $TEMP. Create temporary files with mktemp, if available at
10362 configure time; otherwise use set -C. Remove temporary files
10363 before exit.
10364
fd939e46
JM		 103652001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10366
10367 * configure.in: Require at least texinfo 4.0. Check for whether
10368 Pod::Man is sufficiently recent to regenerate GCC manpages.
10369 * configure: Regenerate.
10370 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10371 on #!.
10372 (GENERATED_MANPAGES): Define.
10373 (generated-manpages): New target. Depend on cpp.1 as well as
10374 gcov.1.
10375 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10376 configure to generated-manpages or empty) rather than on the
10377 manpages directly. Remove execute permission from installed
10378 gcov.1 as well as cpp.1.
10379 * cpp.1, gcov.1: Regenerate.
10380
819c1488
KG		 103812001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10382
10383 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10384 tree_low_cst. Allow using cmpstrsi in more cases.
10385
f07d22aa
RK		 10386Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10387
10388 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10389 sized types.
10390
7ccb4206
AO		 10391Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10392
10393 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10394 * Makefile.in (HOST_CFLAGS): Mention build-make.
10395
a338321e
RK		 10396Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10397
10398 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10399 as JUMP_INSN.
10400
432fd734
BS		 104012001-01-01 Bernd Schmidt <bernds@redhat.com>
10402
10403 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10404 a REG rtx.
10405
2be28ee2
BS		 10406 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10407 callers changed.
10408
713f41f9
BS		 10409 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10410 reg_base_value and reg_known_value arrays.
10411 (init_alias_analysis): Add more cases to detect known values.
10412 * sched-deps.c (deps_may_trap_p): New function.
10413 (sched_analyze_2): Use it.
10414
8f8d8d6e
AO		 104152001-01-03 Alexandre Oliva <aoliva@redhat.com>
10416
10417 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10418 don't discard an ASHIFTRT if we're shifting in a wider mode.
10419
232a132f
JDA		 104202000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10421
10422 * toplev.c (rest_of_compilation): Don't print basic block information
10423 when CFG isn't up to date.
10424
19723541
ME		 104252001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10426
10427 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10428 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10429 (UNALIGNED_SHORT_ASM_OP): Define.
10430 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10431
55560b9d
MM		 104322001-01-02 Mark Mitchell <mark@codesourcery.com>
10433
10434 * fold-const.c (fold_convert): Fix typo.
10435
4f78b9a8
RH		 104362001-01-02 Richard Henderson <rth@redhat.com>
10437
10438 * c-common.h (ASM_INPUT_P): New.
10439 * c-parse.in (asm): Set it when needed.
825b6926 10440 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4f78b9a8
RH		 10441 existance of an operand.
10442
e2134eea
JH		 10443Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10444
10445 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10446 (dwarf2out_frame_debug_expr): Likewise.
10447 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10448
2b589241
JH		 10449Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10450
10451 * i386.c (ix86_split_to_parts): Return number of part required;
10452 handle TFmodes.
10453 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10454 TFmodes.
10455 (ix86_split_long_move): Use number of part returned
10456 by ix86_split_to_parts
10457 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10458 New macros.
10459 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10460 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10461 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10462 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10463 (ALIGN_MODE_128): Add TFmode.
10464 (IS_STACK_MODE): Likewise.
10465 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10466 (HARD_REGNO_OK): Support TFmodes.
10467 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10468 * i386.md (scheduler definitions): Use memory operand to determine
10469 fst/fld instructions; use mode attribute to determine real mode of
10470 the instruction.
10471 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10472 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10473
330aa9a3
MM		 104742001-01-02 Mark Mitchell <mark@codesourcery.com>
10475
10476 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10477
e0339ef7
RK		 10478Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10479
10480 * expr.c (store_constructor_field): Update ALIGN before calling
10481 store_constructor.
10482
d07bec95
JO		 104832001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10484
10485 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10486 host_integerp.
10487
3719d27b
JO		 104882001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10489
10490 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10491 incomplete type.
10492
6d1c15cc
RK		 10493Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10494
10495 * c-decl.c (start_function): Don't warn on third parameter to main.
10496
16b97540
KG		 104972001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498
10499 * tsystem.h: Define HAVE_DECL_GETOPT.
10500
8515dc81
PB		 105012001-01-02 Philip Blundell <pb@futuretv.com>
10502
825b6926 10503 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8515dc81
PB		 10504 of input operand.
10505
6f85e02b
RH		 105062001-01-02 Richard Henderson <rth@redhat.com>
10507
10508 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10509
21c7361e
AJ		 105102001-01-02 Andreas Jaeger <aj@suse.de>
10511
10512 * c-decl.c (c_decode_option): Remove support of
10513 -Wmissing-noreturn.
10514
10515 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10516 (W_options): Add -Wmissing-noreturn here.
10517
10518 * flow.c: Define lang_missing_noreturn_ok_p.
10519 (check_function_return_warnings): Use it.
10520
10521 * c-common.h: Declare lang_missing_noreturn_ok_p.
10522
10523 * c-lang.c (c_missing_noreturn_ok_p): New function.
10524 (lang_init): Set lang_missing_noreturn_ok_p.
10525
10526 * invoke.texi (Warning Options): Document this.
10527
5c25e11d
PE		 105282000-12-27 Phil Edwards <pme@sources.redhat.com>
10529
10530 * extend.texi (C++ Extensions): New node for C++ attributes;
20f9202d 10531 describe init_priority and com_interface.
5c25e11d
PE		 10532 * invoke.texi: Remove -finit-priority as it now has zero effect.
10533 * install.texi: Fix xref syntax.
10534 * md.texi: Likewise.
10535
d1608933
RK		 10536Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10537
e428b937
RK		 10538 * config.gcc (sparc64-wrs-vxworks*): New case.
10539 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10540
3276910d
RK		 10541 * config/sparc/sparc.c (sparc_override_options): Do support different
10542 pointer and architecture size.
10543 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10544 (POINTERS_EXTEND_UNSIGNED): Define.
10545 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10546 (FUNCTION_MODE): Define to be Pmode.
10547 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10548
d1608933
RK		 10549 * function.c (expand_function_end): Properly handle DECL_RESULT
10550 and copy when ptr_mode != Pmode.
10551 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10552
c2e42aab
KG		 105532001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10554
10555 * c-common.c (c_common_nodes_and_builtins): Set prototype
10556 parameters for __builtin_fputs, __builtin_fputc and
10557 __builtin_fwrite. Don't declare plain fputc as a builtin.
10558
5b1ef594
JDA		 105592001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10560
825b6926
ZW		 10561 * loop.c (add_label_notes): Increment the label usage count when
10562 a note is added to an insn which refers to a CODE_LABEL.
10563 * gcse.c (add_label_notes): Likewise.
5b1ef594 10564
021d7b26
AJ		 105652001-01-01 Andreas Jaeger <aj@suse.de>
10566
10567 * loop.c (scan_loop): Use xmalloc to allocate movables.
10568
cf011243
AO		 105692001-01-01 Alexandre Oliva <aoliva@redhat.com>
10570
10571 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10572 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10573 * reload1.c (REGISTER_MOVE_COST): Likewise.
10574 * regclass.c (REGISTER_MOVE_COST): Likewise.
10575 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10576 dimension. Adjust all users.
10577 (init_reg_sets_1): Iterate on all modes.
10578 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10579 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10580 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10581 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10582 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10583 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10584 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10585 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10586 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10587 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10588 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10589 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10590 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10591 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10592 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10593 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10594 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10595 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10596 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10597 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10598 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10599 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10600 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10601 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10602 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10603 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10604 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10605
e38fe8e0
BS		 106062001-01-01 Bernd Schmidt <bernds@redhat.com>
10607
10608 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10609 arg VARIES_P. Call it with extra arg.
10610 (true_dependence): Likewise.
10611 * rtl.h (rtx_addr_can_trap_p): Declare.
10612 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10613 prototypes.
10614 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10615 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10616 pic offset table register if it's zero. All callers changed.
10617 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10618
7a2bf7af
RK		 10619Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10620
7d797311
RK		 10621 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10622 STRING_POOL_ADDRESS_P.
10623
4746e0fe
RK		 10624 * config/sparc/sparc.c (input_operand): Properly test for short op.
10625
fbd68e5d
RK		 10626 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10627 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10628 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10629 * config/sparc/elf.h: No longer include sol2.h.
10630 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10631 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10632
7a2bf7af
RK		 10633 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10634
14be28e5
MH		 106352001-01-01 Michael Hayes <mhayes@redhat.com>
10636
86fee241
MH		 10637 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10638 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10639 (record_initial): Likewise.
10640 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10641 (remap_split_bivs): Likewise.
10642
21c7361e 106432001-01-01 Michael Hayes <mhayes@redhat.com>
86fee241 10644
b2735d9a
MH		 10645 * loop.c (loop_ivs_free): New function.
10646 (strength_reduce): Break out from...
10647
106482001-01-01 Michael Hayes <mhayes@redhat.com>
21c7361e 10649
14be28e5
MH		 10650 * loop.h (struct iv): New.
10651 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10652 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10653 'reg_biv_class' fields with 'regs' and 'n_regs'.
10654 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10655 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10656 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10657
1d2215fe
AO		 106582000-12-31 Alexandre Oliva <aoliva@redhat.com>
10659
10660 * resource.c (mark_referenced_resources): Abort() before
10661 attempting to mark a pseudo register.
10662 (mark_set_resources): Likewise.
10663
8b634749
MH		 106642001-01-01 Michael Hayes <mhayes@redhat.com>
10665
10666 * loop.h (REG_IV_CLASS): New accessor macro.
10667 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10668 * unroll.c (REG_IV_CLASS): Likewise.
21c7361e 10669
38fd12ea 10670See ChangeLog.4 for earlier changes.
GNU Compiler Collection
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