1 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
3 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
4 * rs6000.md (movsi, movdi): Likewise.
6 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
8 * function.c (expand_function_end): Pass arg_pointer_save_area to
9 validize_mem before using it. Emit code into a sequence.
11 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
13 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
14 '#' to split patterns. Correct indentation of some new patterns.
16 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
18 * cppfiles.c (safe_read): Deleted.
19 (read_and_prescan): New function, replaces safe_read, converts
20 and/or warns about trigraphs, silently converts odd line
21 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
22 (finclude): Use read_and_prescan; turn off nonblocking mode on
23 the input descriptor; remove file-size-examination and
24 no-newline-at-EOF gunk which is longer necessary; be more
25 careful about checking that we've been handed a legitimate
26 file to read (only real files, pipes, and ttys are acceptable).
27 * cpplib.h (cpp_options): Rename no_trigraphs flag to
28 `trigraphs' and invert its sense.
29 (trigraph_table): Declare.
30 (cpp_warning_with_line): Prototype.
31 * cpplib.c: Remove all references to trigraph_pcp. Define
32 trigraph_table; initialize it in initialize_char_syntax. Open
33 files in nonblocking mode. s/no_trigraphs/trigraphs/
34 throughout, and invert sense. Put cpp_warning_with_line back
37 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
39 * config/c4x/c4x.h (COUNTER_REGS): New register class.
40 * config/c4x/c4x.md (*rptb_init): Change constraints.
41 (rptb_end): Emit alternate looping instructions if
42 RC register not allocated for loop counter.
43 (decrement_and_branch_on_count): Allow other registers
46 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
48 * cppexp.c (struct arglist): Removed.
49 (parse_number): Use HOST_WIDE_INT for the accumulator.
50 Allow two `l' suffixes unless C89. Clean up. Make static.
51 (parse_charconst): New function broken out of cpp_lex.
52 Code cleaned up drastically. Don't use a token_buffer.
53 (token_buffer): Removed.
54 (cpp_lex): Don't call parse_number on a constant string.
56 (cpp_parse_expr): Properly handle an ERROR op returned by
59 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
61 * cpplib.c: Don't include signal.h, sys/times.h, or
62 sys/resource.h. Don't declare localtime.
63 (macroexpand): Handle special symbols here.
64 (push_macro_expansion): Chop off the trailing '@ ' if possible
66 (cpp_get_token): Don't do either of the above two things here.
67 Move `string' label just after case '"' so that wide strings
68 don't crash the preprocessor.
70 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
72 * rs6000.md (left shift + set cr patterns): Add missing '#' to
74 (move register + set cr pattern): Ditto.
75 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
76 inadvertently deleted.
78 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
80 * stmt.c (stmt_loop_nest_empty): New function.
81 * tree.h (stmt_loop_nest_empty): Declare it.
82 * rtl.def (CALL_PLACEHOLDER): New rtx code.
84 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
86 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
88 (c4x_check_legit_addr): Remove USE and PLUS, allow
89 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
90 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
91 CONST cases. Add LO_SUM.
92 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
93 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
94 (c4x_print_operand_address): Handle LO_SUM.
95 (c4x_scan_for_ldp): Delete. Hooray!
96 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
98 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
100 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
102 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
104 (c4x_U_constraint, symbolic_operand): New functions.
105 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
106 disable SYMBOL_REF, LABEL_REF, and CONST.
107 (lsrc_operand, tsrc_operand): Call src_operand instead of
109 (c4x_operand_subword): Update comments.
111 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
112 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
113 plus HIGH and LO_SUM for the C40.
114 (ENCODE_SECTION_INFO): Define macro.
115 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
117 (PREDICATE_CODES): Add symbolic_operand.
119 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
120 c4x_emit_move_sequence.
121 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
122 to avoid symbol references.
123 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
124 (set_high): Renamed from set_high_use.
125 (set_lo_sum): Renamed from set_ior_lo_use.
126 (all call patterns): Make MEM explicit in call address operands.
127 Modified output templates to use 'U' modifier.
129 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
131 * version.c: Bump for snapshot.
133 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
135 * final.c (bb_str): Qualify a char* with the keyword `const'.
136 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
138 * fix-header.c (read_scan_file): Likewise.
140 * genoutput.c (output_epilogue, process_template): Likewise.
142 * local-alloc.c (requires_inout, block_alloc): Likewise.
144 * output.h (output_asm_insn, assemble_string): Likewise.
146 * recog.c (recog_constraints, check_asm_operands,
147 decode_asm_operands, extract_insn, preprocess_constraints,
148 constrain_operands): Likewise.
150 * recog.h (operand_alternative, recog_constraints, insn_template,
151 insn_outfun, insn_operand_constraint, insn_name): Likewise.
153 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
155 * regmove.c (find_matches): Likewise.
157 * reload.c (alternative_allows_memconst): Likewise.
159 * reload1.c (constraint_accepts_reg_p,
160 reload_cse_simplify_operands): Likewise.
162 * rtl.h (decode_asm_operands): Likewise.
164 * scan.h (fn_decl): Likewise.
166 * varasm.c (assemble_string): Likewise.
168 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
170 * configure.in (gcc_tooldir): Handle case where exec_prefix has
171 not been explicitly set.
172 * configure: Rebuilt.
174 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
177 * bitmap.h (bitmap_head_def): Make indx field unsigned.
179 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
180 use $exec_prefix/$target_alias for gcc_tooldir.
181 * configure: Rebuilt.
183 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
185 * cppp.c (xrealloc): Fix typo last change.
186 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
187 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
188 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
190 1999-01-22 Michael Meissner <meissner@cygnus.com>
192 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
193 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
194 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
195 (cc_reg_not_cr0_operand): Add declaration.
197 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
198 pseudo register, or a control register that is not CR0.
200 * rs6000.md (all combiner patterns building . instructions): For
201 all `.' instructions that do something and set cr0, add an
202 alternative that does the operation, and then sets a different
203 flag, in order to avoid using the costly mcrf instruction and also
204 allow cr0 to be clobbered in asm statements. Also fix a few
205 patterns that used the wrong register.
207 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
208 (rs6000_debug_name): Make const char *, not char *.
210 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
212 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
213 (rs6000_select): Use const char * in casts.
215 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
217 * Makefile.in (gcc_tooldir): Move before first reference.
218 Let autoconf substitute in a value.
219 * configure.in (gcc_tooldir): Only use a relative path to the
220 tool directory if $exec_prefix == $prefix.
221 * configure: Rebuilt.
223 * Makefile.in (tooldir): Replace with gcc_tooldir.
225 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
227 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
228 (ashldi3 expander): Similarly. Update comments.
229 (ashrdi_const, lshrdi_const): Fix indention.
230 (ashrdi3, lshrdi3): FIx indention. Update comments.
232 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
234 * emit-rtl.c (try_split): Don't try to split non-instructions.
236 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
238 * expr.c (emit_push_insn): Fix dumb typo.
240 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
242 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
243 transformations that we have performed earlier.
244 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
246 * alpha.md (prologue_stack_probe_loop): Don't do our own label
247 handling, call gen_label_rtx instead.
249 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
251 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
253 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
254 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
255 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
256 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
257 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
259 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
261 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
262 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
263 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
264 * configure: Regenerate.
266 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
268 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
270 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
272 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
274 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
276 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
277 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
278 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
279 (move_by_pieces): Use new macros.
280 (emit_block_move): Use new macros.
281 (clear_by_pieces): Use new macros.
282 (clear_storage): Use new macros.
283 (emit_push_insn): Use new macros.
284 (expand_expr): Use new macros.
285 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
287 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
288 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
289 (MOVE_MAX_PIECES): move 8 bytes on SH4.
290 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
291 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
292 USE_STORE_PRE_DECREMENT): Describe new macros.
294 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
296 * varasm.c (output_constant_pool): Use floor_log2 instead of
297 exact_log2 for ASM_OUTPUT_ALIGN.
299 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
301 * emit-rtl.c (operand_subword): Handle case when a subword outside
304 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
307 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
309 * cse.c (fold_rtx): Revert 29 Dec change.
310 (cse_insn): Revert 12 Jan change.
311 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
312 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
314 * rtl.h (CONSTANT_P): Likewise.
316 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
318 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
319 * alpha.c (input_operand): Likewise.
320 * c4x.c (const_operand): Likewise.
322 * explow.c (allocate_dynamic_stack_space): Use register_operand
323 instead of arith_operand, which does not exist.
325 * 1750a.h: Fix comment closure.
326 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
327 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
328 * arm.h (TARGET_SWITCHES): Fix typo.
329 * i370.md (anon mult and div patterns): Fix set mode mismatch.
330 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
331 (output_delay_insn): Likewise.
332 * m88k.md (anon rotate insns): Fix set mode mismatch.
333 (anon BLKmode moves): Commonize and fix set mode mismatches.
334 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
335 * romp.md (movdf): Fix typo.
337 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
339 * Makefile.in (install-common): Remove extraneous chmod for gcov
342 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
344 * function.c (assign_parms): Save and restore setting of
347 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
349 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
350 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
352 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
354 * recog.c (pop_operand): New function.
355 * recog.h (pop_operand): Declare it.
356 * genrecog.c (preds): Define it.
358 * expr.c (do_jump_for_compare): Handle conditional branch expanders
359 emitting multiple jump instructions.
360 * jump.c (condjump_label): New function.
361 * rtl.h (condjump_label): Declare it.
363 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
365 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
366 clobber during or after reload.
368 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
370 * genoutput.c (name_for_index): New function.
371 (scan_operands, validate_insn_alternatives): Use it.
372 * genrecog.c (insn_name_ptr_size): New variable.
373 (make_insn_sequence): Fill in insn_name_ptr.
374 (merge_trees): Use it.
376 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
378 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
379 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
380 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
382 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
384 * loop.c (NUM_STORES): Delete.
385 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
386 (prescan_loop): Properly initialize loop_mems_idx.
387 (note_addr_stored): Simplify using list structure instead of
389 (invariant_p, check_dbra_loop, load_mems): Similarly.
391 * flow.c (invalidate_from_autoinc): New function.
392 (mark_set_1, mark_used_regs): Use it.
394 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
396 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
398 * invoke.texi (-mlong-double-64): New option description.
400 1999-01-19 Jim Wilson <wilson@cygnus.com>
402 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
403 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
404 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
406 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
407 (CPP_SPECS): Add -mlong-double-64 support.
408 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
409 (TARGET_SWITCHES): Add -mlong-double-64 support.
410 (LONG_DOUBLE_TYPE_SIZE): Likewise.
411 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
412 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
413 (CPP_SPECS): Add -mlong-double-64 support.
414 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
415 (MULTILIB_DIRNAMES): Add ld64.
416 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
418 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
420 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
423 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
425 * rs6000.c (offsettable_addr_operand): Delete.
426 (offsettable_mem_operand): New function.
427 * rs6000.h (PREDICATE_CODES): Reflect function change.
428 (RS6000_SAVE_TOC): Represent address as MEM.
429 * win-nt.h (RS6000_SAVE_TOC): Same.
430 * rs6000.md (indirect calls): Change offsettable address parameter
431 to offsettable memory parameter.
433 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
435 * rtl.h (rtx_def): Update documentation.
436 (MEM_IN_STRUCT_P): Likewise.
437 (MEM_SCALAR_P): New macro.
438 (MEM_COPY_ATTRIBUTES): Likewise.
439 (MEM_SET_IN_STRUCT_P): Likewise.
440 * rtl.texi (MEM_SCALAR_P): Document.
441 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
442 (fixed_scalar_and_varying_struct_p): New function. Use
443 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
444 (aliases_everything_p): Likewise.
445 (true_dependence): Use them.
446 (write_dependence_p): New function, containing code common to
447 anti_dependence and output_dependence.
448 (anti_dependence): Use it.
449 (output_dependence): Likewise.
450 * calls.c (save_fixed_argument_area): Don't clear
452 (expand_call): Use MEM_SET_IN_STRUCT_P.
453 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
454 (emit_library_call_value): Likewise.
455 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
456 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
457 (make_extraction): Likewise.
458 (simplify_shift_const): Likewise.
459 (gen_lowpart_for_combine): Likewise.
460 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
461 * emit-rtl.c (operand_subword): Likewise.
462 (change_address): Likewise.
463 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
464 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
465 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
466 (copy_blkmode_from_reg): Likewise.
467 (store_field): Likewise.
468 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
469 heuristically. Use MEM_SET_IN_STRUCT_P.
470 (get_memory_rtx): Likewise.
471 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
472 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
473 MEM_ALIAS_SET on newly returned MEMs.
474 (assign_temp): Use MEM_SET_IN_STRUCT_P.
475 (put_reg_into_stack): Likewise.
476 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
477 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
478 (assign_parms): Likewise.
479 (expand_function): Likewise.
480 * integrate.c (expand_inline_function): Likewise.
481 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
482 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
483 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
484 * print-rtl.c (print_rtx): Print /f for frame_related.
485 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
486 * reload1.c (reload): Copy MEM_SCALAR_P as well.
487 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
488 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
489 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
490 (output_constant_def): Likewise.
491 * a29k.c (a29k_set_memflags_1): Take scalar_p.
493 (a29k_set_memflags): Use it.
494 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
495 * c4x.c (c4x_scan_for_ld): Likewise.
496 * h8300.c (fix_bit_operand): Likewise.
497 * m88k.c (legitimize_address): Likewise.
498 (block_move_loop): Likewise.
499 (block_move_no_loop): Likewise.
500 (block_move_sequence): Likewise.
501 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
502 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
503 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
504 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
505 * arm.h (arm_gen_load_multiple): Take scalar_p.
506 (arm_store_load_multiple): Likewise.
507 * arm.c (arm_gen_load_multiple): Likewise.
508 (arm_gen_store_multiple): Likewise.
509 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
511 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
513 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
514 calls within a libcall block to indicate no throws are possible.
515 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
516 libcall blocks. Don't add edges to exception handlers if we see
517 a REG_EH_REGION note with a value of 0.
518 (make_edges): Override active_eh_region vector if the call has a note
519 indicating the call does not throw.
521 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
523 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
525 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
527 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
529 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
531 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
533 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
535 * invoke.texi (-mcpu=740, -mcpu=750): New options.
536 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
539 1999-01-18 Michael Meissner <meissner@cygnus.com>
541 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
542 supported with -mcpu=xxx.
543 (processor_type): Add PROCESSOR_PPC750.
544 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
545 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
546 (rs6000_adjust_priority): Add declaration.
548 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
549 processor type as 750, not 603. Allow -mmultiple and -mstring on
550 little endian 750 systems.
551 (rs6000_adjust_priority): Stub for now.
552 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
554 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
556 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
558 (CC1_SPEC): Pass -mstrict-align if little endian, and not
560 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
561 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
563 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
566 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
568 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
570 * config/mips/mips.md (div_trap): Split div_trap_mips16
572 (div_trap_normal,div_trap_mips16): Correct the length attributes.
574 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
577 Instead of writing to const char *buf directly, use a non-const
578 variable `wbuf' to allocate and write a string, then set buf = wbuf.
580 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
583 * dyn-string.c (dyn_string_append): Likewise.
585 * dyn-string.h (dyn_string_append): Likewise.
587 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
589 * output.h (end_final, output_operand_lossage, asm_fprintf,
590 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
593 * profile.c (init_branch_prob): Likewise.
595 * toplev.c (set_target_switch, vmessage,
596 v_message_with_file_and_line, v_message_with_decl,
597 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
598 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
599 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
600 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
601 open_dump_file, dump_rtl, clean_dump_file,
602 print_version, print_single_switch, print_switch_values,
603 dump_base_name, debug_args, lang_independent_options,
604 user_label_prefix, documented_lang_options, target_switches,
605 target_options, print_time, pfatal_with_name, fatal_io_error,
606 fatal_insn, default_print_error_function, print_error_function,
607 report_error_function, error_with_file_and_line, error_with_decl,
608 error_for_asm, error, fatal, warning_with_file_and_line,
609 warning_with_decl, warning_for_asm, warning, pedwarn,
610 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
611 really_sorry, botch, output_quoted_string, output_file_directive,
612 open_dump_file, rest_of_decl_compilation, display_help, main):
615 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
616 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
617 warning_with_file_and_line, error_with_file_and_line, sorry,
618 really_sorry, default_print_error_function, report_error_function,
619 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
620 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
621 output_file_directive, botch): Likewise.
623 * tree.h (make_decl_rtl): Likewise.
625 * varasm.c (strip_reg_name, named_section, decode_reg_name,
626 make_decl_rtl): Likewise.
628 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
630 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
631 directory logically rather than physically.
633 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
635 * loop.c (insert_bct): Hide the definition of variables
636 `increment_direction', `compare_direction', `add_iteration' and
639 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
640 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
641 (mode_independent_operand): Mark label `lose' with
642 ATTRIBUTE_UNUSED_LABEL.
644 * regclass.c (n_occurrences): Remove prototype and definition.
646 * reload.c (find_reloads_address_1): Mark variable `tem' with
649 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
651 * sbitmap.c (sbitmap_copy): Likewise.
653 * scan-decls.c (scan_decls): Hide label `handle_comma'.
655 * toplev.c (output_lang_identify): Mark prototype with
658 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
659 (make_tree_vec): Likewise.
662 * varasm.c (assemble_static_space): Mark variable `tem' with
665 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
667 * Makefile.in (GCOV_INSTALL_NAME): New macro.
668 (install-common): Use it.
670 (uninstall): Use correct names for protoize and unprotoize.
672 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
673 Jeffrey A Law (law@cygnus.com)
675 * flow.c (last_mem_set): Delete variable. References removed.
676 (mem_set_list): New variable.
677 (life_analysis): Initialize and finalize alias analysis.
678 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
679 (insn_dead_p): For a store to memory, search the entire mem_set_list
681 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
682 changes to their addresses. Add new entries to the mem_set_list for
683 memory writes writes.
684 (mark_used_regs): Kill entries on the mem_set_list which may be
685 referenced by a load operation.
687 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
689 * alias.c (base_alias_check): Add missing return for differing
692 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
694 * mips-tdump.c (print_file_desc): Handle unknown filenames and
695 missing local symbols.
697 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
699 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
701 * system.h (bcopy): Implement with memmove not memcpy.
703 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
705 * Makefile.in (cppulp.o): Add dependencies.
707 * i386.md (integer conditional moves): Add missing earlyclobbers.
709 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
710 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
711 where a register is live.
713 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
715 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
716 of a FP conditional move is not on the FP register stack.
718 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
720 * version.c: Bump for snapshot.
722 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
724 * reload1.c (reload_cse_regs_1): Do not call
725 reload_cse_simplify_operands for an insn with asm operands.
727 * cccp.c (print_help): Fix typos.
728 * cpplib.c (print_help): Fix typos.
729 * toplev.c (f_optiosn): Fix typos.
730 (documented_lang_options): Fix typos.
732 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
734 * gcc.c: (do_spec_1): Fix obvious typo.
736 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
739 a non-static function declaration follows a static one.
741 * invoke.texi (-Wtraditional): Document the extra check now done
744 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
746 * pa.md (shadd): Create shadd insns, even if the result of the shift is
747 needed without the addition.
749 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
751 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
753 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
755 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
757 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
759 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
760 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
761 non_add_cint_operand, non_logical_cint_operand): Likewise.
762 (get_issue_rate): Add CPU_PPC604E case.
763 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
765 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
767 * expr.c (queued_subexp_p): Make public.
768 * expr.h (queued_subexp_p): Declare it.
769 * recog.c (asm_operand_ok): New function.
770 (check_asm_operands): Use it. After reload, use constrain_operands
772 * recog.h (asm_operand_ok): Declare it.
773 * stmt.c (expand_asm_operands): Use it to try harder to make
774 asms initially satisfy their constraints.
776 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
778 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
779 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
781 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
783 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
784 in delay slot of RPTBD.
786 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
788 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
789 divide and modulo sign problem.
791 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
793 * unroll.c (loop_iterations): Return 0 if the last loop insn
794 is not a jump insn or if the loop has multiple back edges.
796 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
798 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
799 a register with another DEST_ADDR giv if the address is not valid.
801 * pa.c (hppa_expand_epilogue): Save and restore the static chain
802 around the call to mcount.
804 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
806 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
807 generating non-canonical rtl.
809 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
811 * config/i960/i960.c (i960_output_move_double_zero,
812 i960_output_move_quad_zero): New functions for moving zeros.
813 (i960_output_move_double, i960_output_move_quad): Additional code
814 for situation when moving unaligned register group.
816 * config/i960/i960.h (i960_output_move_double_zero,
817 i960_output_move_quad_zero): The function definitions.
819 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
821 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
823 * config/i960/i960.c (i960_function_prologue): New code (optimal
824 solution) for saving global registers in local registers.
825 (form_reg_groups, reg_group_compare, split_reg_group): New
826 functions used by the code.
827 (reg_group): New structure definition for the new code.
829 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
831 * integrate.c (expand_inline_function): Recognize (mem (addressof))
832 and substitute. Copy the return value from there into a new pseudo.
834 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
836 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
837 before generating a call to abort for volatile functions.
838 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
839 (TARGET_ABORT_NORETURN): Define.
840 (abort-on-noreturn): New option.
842 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
844 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
845 and binarycc operations in 3rd annulled delay slot!
847 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
849 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
850 before generating a call to abort for volatile functions.
851 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
852 (TARGET_ABORT_NORETURN): Define.
853 (abort-on-noreturn): New option.
855 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
858 Remove prototype which we get from libiberty.h.
860 * collect2.c (xstrdup): Likewise.
862 * genextract.c (xstrdup): Likewise for `copystr'.
863 (mybzero): Remove it and use `memset' instead.
865 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
866 to use `memcpy' and `memset' instead.
868 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
869 changed. Remove prototype.
870 (mybcopy, mybzero): Remove these and use memcpy/memset.
872 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
874 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
875 generating code for TARGET_64BIT.
877 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
879 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
880 HOST_WIDE_INT word-size.
881 (rs6000_stack_info): Remove redundant alignment of fpmem.
883 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
885 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
886 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
887 (input_operand): Adjust CONSTANT_P_RTX handling.
888 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
889 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
890 (movhi, movqi): Remove CONSANT_P_RTX handling.
891 (movdi): Adjust CONSTANT_P_RTX handling.
893 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
895 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
897 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
899 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
900 ensure all prototypes necessary for building libio will be available.
901 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
902 definitions here as they are not host specific.
903 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
905 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
907 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
909 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
911 * version.c: Bump for snapshot.
913 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
915 * rtl.c (rtx_alloc): Use memset instead of inline loop.
917 * recog.h (recog_op_alt): Declare extern.
919 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
921 * function.c (purge_addressof_1): If the note accesses a mem+addressof
922 in a wider mode than any replacement, adjust the cached replacement.
923 Cache trivial substitutions as well.
925 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
927 * Makefile.in (OBJECTS): Add sbitmap.o.
928 (BASIC_BLOCK_H): Add sbitmap.h.
929 * basic-block.h: Move simple bitmap code to sbitmap.h.
930 * flow.c: Move simple bitmap code to sbitmap.c
931 * sbitmap.h, sbitmap.c: New files.
933 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
935 * alpha.h (TARGET_SWITCHES): Document switches.
936 (TARGET_OPTIONS): Likewise.
938 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
940 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
942 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
944 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
946 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
947 (basic_block_end): Rename to x_basic_block_end.
948 (BLOCK_HEAD, BLOCK_END): Update.
950 * caller-save.c: Change basic_block_head/end references to
952 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
953 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
954 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
956 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * gcc.c (xstrerror): Renamed from my_strerror. All callers
959 changed. Remove prototype since we get that from libiberty.h.
961 * protoize.c (xstrerror): Likewise.
963 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
965 * gcc.c (read_specs): Ensure format specifiers match their arguments.
967 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
969 * tree.c (copy_node): Oops. That would be copy not zero
972 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
974 * config/c4x/c4x.c: Include system.h.
975 (c4x_caller_save_map): Disable caller save for RC.
976 (c4x_optimization_options): Disable scheduling before reload.
977 (valid_parallel_load_store) : Define return type as int.
978 Remove unused variable regs.
979 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
981 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
983 (*db, decrement_and_branch_until_zero): Fix up constraints
984 to keep reload happy.
986 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
988 * tree.c (make_node): Call bzero instead of inline clear.
989 (copy_node, make_tree_vec, build1): Likewise.
990 (get_identifier): Call strlen instead of inline count.
991 (maybe_get_identifier): Likewise.
993 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
995 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
996 operations in 3rd annulled delay slot.
997 (*lshrqi3_const_set): Disallow c constraint for operand0.
998 (modhi3+1, modhi3+2): Set attribute type to multi.
999 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
1002 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * gansidecl.h: Allow attribute unused on labels only when we are
1005 version 2.93 or higher. Not all versions of 2.92 have this feature.
1007 * version.c: Bump minor number to 93.
1009 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1011 * config/m68k/m68k.h: Declare output_function_epilogue.
1012 * recog.h: Declare next_insn_tests_no_inequality.
1014 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
1016 * stmt.c (optimize_tail_recursion): New function, extracted from ...
1017 (expand_return): Use optimize_tail_recursion.
1018 * tree.h (optimize_tail_recursion): Declare.
1020 * toplev.c (compile_file): Move call to output_func_start_profiler
1021 to after the loop to emit deferred functions.
1023 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1025 * system.h (abort): Supply more detailed information on how to
1026 report an Internal Compiler Error.
1028 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
1030 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
1031 allocate memory that will live beyond this function.
1032 (expand_call): Free it here.
1034 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
1036 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
1037 integer data not destined for fp regs.
1038 (LEGITIMIZE_RELOAD_ADDRESS): New.
1040 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
1041 Richard Henderson <rth@cygnus.com>
1043 Support for Hypersparc and Sparclite86x:
1044 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
1045 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
1046 (ASM_CPU32_DEFAULT_SPEC): Likewise.
1047 (TARGET_CPU_DEFAULT): Likewise.
1048 (enum processor_type): Likewise.
1049 (CPP_ENDIAN_SPEC): Handle little endian data.
1050 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
1051 (ADJUST_COST): Call sparc_adjust_cost.
1052 * sparc.c (sparc_override_options): Fix up for the new targets.
1053 (supersparc_adjust_cost): Make static.
1054 (hypersparc_adjust_cost): New.
1055 (ultrasparc_adjust_cost): Make static.
1056 (sparc_adjust_cost): New.
1057 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
1058 (function_unit): Add hypersparc scheduling rules.
1060 * configure.in (with_cpu handler): Recognize hypersparc.
1062 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1064 * config/c4x/c4x.c: Added space after negation operator.
1065 * config/c4x/c4x.h: Likewise.
1066 * config/c4x/c4x.md: Likewise.
1068 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1070 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
1072 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1074 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
1075 when a test can't be performed due to limited width of
1076 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
1077 Fix UDIV case for cases where the first operand has the highest bit
1080 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
1082 * pa.h (reg_class): Add FPUPPER_REGS.
1083 (REG_CLASS_NAMES): Similarly.
1084 (REG_CLASS_CONTENTS): Similarly
1085 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
1086 (FP_REG_CLASS_P): Likewise.
1087 (REG_CLASS_FROM_LETTER): Similarly.
1088 (CLASS_MAX_NREGS): Similarly.
1090 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
1092 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
1093 for a typedef of bool. Make sure to have a copy of the file is
1094 in place before we look to fix it. Fix typo in variable name to
1097 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
1099 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
1100 value_mode for the return mode.
1102 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
1104 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
1105 debugging as default.
1107 * config/tm-dwarf2.h: New file.
1109 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
1111 * h8300.h (ASM_OUTPUT_LABELREF): Define.
1113 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
1114 * local-alloc.c (update_equiv_regs): Corresponding changes.
1115 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
1117 * calls.c (special_function_p): Push alloca test inside the large
1118 conditional which excludes functions not at file scope or not
1121 * calls.c (special_function_p): New function broken out of
1123 (precompute_register_parameters): Likewise.
1124 (store_one_arg): Likewise.
1125 (store_unaligned_argumetns_into_pseudos): Likewise.
1126 (save_fixed_argument_area): Likewise.
1127 (restore_fixed_argument_area): Likewise.
1128 (expand_call): Corresponding changes.
1130 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1132 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
1134 (const_sint32_operand): Likewise.
1136 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
1139 is a macro when deciding if we can use `jmp_buf' in prototypes.
1141 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1143 * config/c4x/c4x.md (addqi3): If the destination operand is
1144 a hard register other than an extended precision register,
1145 emit addqi3_noclobber.
1146 (*addqi3_noclobber_reload): New pattern added so that reload
1147 will recognise a store of a pseudo, equivalent to the sum
1148 of the frame pointer and a constant, as an add insn.
1150 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
1152 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
1153 * configure: Rebuilt.
1154 * i386/xm-go32.h: Define LIBSTDCXX.
1156 * i386/go32.h (MD_EXEC_PREFIX): Define.
1157 (FILE_NAME_ABSOLUTE_P): Define.
1158 (LINK_COMMAND_SPEC): Define.
1160 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
1162 * expr.c (store_expr): If the lhs is a memory location pointed
1163 to be a postincremented (or postdecremented) pointer, always
1164 force the rhs to be evaluated into a pseudo.
1166 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
1168 * real.c (mtherr): Print more reasonable warning messages.
1170 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1172 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
1174 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
1175 (new_include_prefix): Constify char* parameters.
1177 * cppfiles.c (read_name_map): Likewise.
1178 (append_include_chain): Likewise. Also, use a writable char* copy
1179 of parameter `dir' which we then modify, rather than using the
1180 parameter itself to store the new writable string.
1181 (remap_filename): Constify some variables. Also, use a writable
1182 char* to store an allocated string which we will be modifying.
1184 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
1185 (cpp_start_read): Constify variable `str'.
1187 * cpplib.h (append_include_chain): Constify a char* parameter.
1189 * gcc.c Include prefix.h, don't prototype prefix.c functions.
1190 (add_prefix, save_string): Constify char* parameters.
1191 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1193 * prefix.c: Include prefix.h.
1194 (get_key_value, translate_name, save_string, update_path,
1195 set_std_prefix): Constify various char* parameters and variables.
1196 (save_string): Use xmalloc, not malloc.
1197 (translate_name): Use a writable temporary variable to create and
1198 modify a string before setting it to a const char*.
1200 * prefix.h: New file to prototype functions exported from prefix.c.
1202 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1204 * cpplib.c (skip_if_group): Split out the logic that handles
1205 directive recognition to its own function. Don't use
1206 parse markers; use a bare pointer into the buffer. Use
1207 copy/skip_rest_of_line instead of doing it by hand. Remove
1208 `return on any directive' mode which was never used, and take
1210 (consider_directive_while_skipping): New function, subroutine
1211 of skip_if_group. Logic streamlined a bit.
1212 (conditional_skip, do_elif, do_else): Call skip_if_group with
1215 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1217 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
1220 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
1222 * extend.texi (Bound member functions): Document.
1224 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1226 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
1227 lang_to_string, type_to_string): Make return type const char*.
1228 (print_symbol): Apply `const' keyword to a char*.
1229 (print_file_desc): Cast structure member `crfd' to ulong when
1230 comparing against one.
1232 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
1233 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1234 (progname, input_name): Apply `const' keyword to a char*.
1235 Don't redundantly include sys/stat.h.
1236 (alloc_info): Apply `const' keyword to a char*.
1237 (st_to_string, sc_to_string): Likewise.
1238 (hash_string): Cast variable `hash_string' to a symint_t when
1239 comparing against one.
1240 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
1241 Likewise cast it to long when comparing against one.
1242 (add_local_symbol): Apply `const' keyword to a char*.
1243 (add_ext_symbol): Likewise.
1244 (add_unknown_tag): Likewise.
1245 (add_procedure): Cast a printf-style field width to an int.
1246 (add_file): Cast PAGE_USIZE to long when comparing against one
1247 (parse_begin): Cast a printf-style field width to an int.
1248 (parse_bend): Likewise.
1249 (parse_def): Likewise.
1250 (parse_end): Likewise.
1251 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
1252 (parse_stabs_common): Fix format specifier.
1253 (parse_input): Change type of variable `i' to Size_t.
1254 (write_object): Fix arguments to match format specifiers.
1255 Cast variable `num_write' to long when comparing against one.
1256 (read_seek): Cast variable `sys_read' to symint_t when comparing
1257 against one. Fix arguments to match format specifiers. Cast
1258 variable `size' to long when comparing against one.
1259 (copy_object): Cast result of `sizeof' to int when comparing
1260 against one. Fix arguments to match format specifiers. Cast
1261 variable `ifd' to long when comparing against a signed value.
1264 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1266 * c-common.c (decl_attributes): Allow applying attribute `unused'
1269 * c-parse.in (label): Parse attributes after a label, and call
1270 `decl_attributes' to handle them.
1272 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
1274 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
1275 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
1277 * invoke.texi: Note that labels can be marked `unused'.
1279 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
1281 * version.c: Bump for snapshot.
1283 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
1285 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
1286 RTL for a compare/jump sequence.
1288 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1290 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
1291 for a target with HAVE_cc0 defined.
1292 (emit_cmp_and_jump_insns): New function.
1293 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1294 * loop.c (check_dbra_loop): Use it to replace calls
1295 to emit_cmp_insn and emit_jump_insn and to canonicalise
1296 the comparison if necessary.
1297 * unroll.c (unroll_loop): Likewise.
1299 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1301 * fixincludes (sys/utsname.h): Provide forward declaration of
1302 struct utsname on Ultrix V4.[35].
1304 * mips.md (div_trap): Use local labels instead of dot-relative
1307 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1309 * pa.md (branch, negated branch): Handle (const_int 0) as first
1311 * pa.c (output_cbranch): Likewise.
1313 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1315 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1318 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1320 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1322 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1324 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1326 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1328 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1329 (adddi_dishl32): Similarly.
1331 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1332 for each insn in the skipped block.
1334 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1335 constraints after replacing a register address with an autoincrement
1336 address for reload inheritance purposes.
1338 * i386.md (doubleword shifts): Avoid namespace pollution.
1340 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1342 * configure.in (FreeBSD ELF): Needs special crt files.
1344 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1346 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1348 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1350 * loop.c (check_dbra_loop): While reversing the loop, if the
1351 comparison value has a VOID mode use the mode of the other operand
1352 to compute the mask.
1354 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1356 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1357 avoid warnings in compiling explow.c.
1359 (patch from Ken Raeburn, raeburn@cygnus.com)
1360 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1361 fpmem_offset. Compute total size after that, and then
1362 rs6000_fpmem_offset using both values.
1364 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1366 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1367 the future; indeed that already happens in some cases.
1369 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1371 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1372 (arith_operand): Remove constant_p_rtx handling.
1373 (const64_operand, const64_high_operand): Likewise.
1374 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1375 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1376 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1377 * sparc.h (PREDICATE_CODES): Likewise.
1379 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1381 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1383 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1384 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1385 consider constant CONSTRUCTOR constant and to defer some cases
1387 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1388 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1390 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1392 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1393 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1395 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1396 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1397 (sext_add_operand, and_operand, or_operand): Likewise.
1398 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1399 * alpha.h (PREDICATE_CODES): Likewise.
1401 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1403 * version.c: Bump for snapshot.
1405 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1407 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1408 of dangerous casts and stores.
1410 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1412 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1414 * alpha.md (builtin_longjmp): Add missing "DONE".
1416 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1418 * gcc.c (execute): Enable -pipe with win32.
1420 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1422 * config/arm/t-arm-elf: Add multiplib option for leading
1425 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1426 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1428 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1429 than variable 'reload_address_base_reg_class'. [Note this
1430 change is unrelated to the others in this patch].
1432 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1435 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1437 * alias.c (record_alias_subset): Remove ignored `&'.
1438 (init_alias_once): Likewise.
1440 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1442 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1443 fwrite to `int' when comparing against one.
1445 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1446 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1448 * cse.c (rehash_using_reg): Change type of variable `i' to
1451 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1452 assigning it to one.
1454 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1456 * final.c (final_scan_insn): Likewise for variable `i'.
1457 (output_asm_insn): Cast a char to unsigned char when used as an
1460 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1461 assigning it to one.
1463 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1465 * recog.c (preprocess_constraints): Cast a char to unsigned char
1466 when used as an array index.
1468 * regmove.c (find_matches): Likewise.
1470 * reload1.c (calculate_needs): Add default case in switch.
1471 (eliminate_regs_in_insn): Initialize variable `offset'.
1472 (set_offsets_for_label): Change type of variable `i' to unsigned.
1473 (reload_as_needed): Wrap variable `i' in macro check on
1474 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1476 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1477 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1478 when comparing against one.
1480 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1481 unsigned when comparing against one. Likewise for
1482 GET_MODE_ALIGNMENT().
1483 (layout_record): Cast record_align to int when comparing against a
1485 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1488 * tree.c (get_identifier): Cast variable `len' to unsigned when
1489 comparing against one.
1490 (maybe_get_identifier): Likewise
1492 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1494 * toplev.c (rest_of_compilation): Do not set reload_completed.
1495 * reload1.c (reload): Set reload_completed before calling
1496 cleanup_subreg_operands.
1498 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1500 * reload1.c (emit_reload_insns): Check `set' not null before use.
1502 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1504 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1507 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1509 * halfpic.c (half_pic_encode): Delete redundant code.
1511 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1513 * toplev.c (main): Delete handling of -dM as a preprocessor
1516 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1518 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1519 -dI, which are handled by the preprocessor.
1521 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1523 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1524 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1526 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1528 * version.c: Bump for snapshot.
1530 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1532 * version.c: Bump for snapshot.
1534 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1536 * version.c: Bump for snapshot.
1538 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1542 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1543 write_unit_name, write_eligible_delay, expand_units,
1544 make_length_attrs, write_attr_case, find_attr,
1545 make_internal_attr): Likewise.
1546 * gencheck.c (tree_codes): Likewise.
1547 * gencodes.c (fatal): Likewise.
1548 * genconfig.c (fatal): Likewise.
1549 * genemit.c (fatal): Likewise.
1550 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1551 * genflags.c (fatal): Likewise.
1552 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1553 * genoutput.c (fatal, error, predicates): Likewise.
1554 * genpeep.c (fatal): Likewise.
1555 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1556 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1558 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1560 * configure.in (with-fast-fixincludes): Fix whitespace.
1561 * configure: Rebuilt.
1563 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1564 asm() etc. function declarations in __DECC.
1566 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1568 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1569 is a pseudo register.
1571 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1573 * gcse.c: Include expr.h in order to get the prototype for
1574 get_condition() which is used in delete_null_pointer_checks().
1576 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1578 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1580 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1582 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1583 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1585 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1587 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1590 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1592 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1593 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1594 optimizations from the combiner.
1596 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1598 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1600 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1602 * toplev.c (main): Disable optimize_size if a specific
1603 optimization level is requested. Always set optimization
1604 level to 2 if -Os is specified.
1606 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1608 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1610 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1611 initialize it using fname.
1613 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1615 * cpplib.c (do_include): Treat #include_next in the
1616 primary source file as #include plus warning. Treat
1617 #include_next in a file included by absolute path as an
1618 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1620 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * cccp.c: Don't define MIN/MAX anymore.
1623 * cpplib.c: Likewise.
1624 * machmode.h: Likewise.
1625 * system.h: Provide definitions for MIN/MAX.
1627 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1629 * fix-header.c: Don't define xstrdup here.
1631 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1633 * loop.c (consec_sets_giv): New argument last_consec_insn.
1634 (strength_reduce): Provide / use it.
1636 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1638 * loop.h (loop_info): New field 'vtop'.
1639 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1640 scanning loop for vtop.
1641 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1642 (loop_iterations): Use them to determine if loop has a constant
1643 number of iterations. Set loop_info->vtop. Don't subtract
1644 common reg term from initial_value and final_value if have a
1647 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1649 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1651 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1653 * mn10200.md (abssf2, negsf2): New expanders.
1655 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1657 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1659 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1660 replaced by a CONCAT whoes components do not have the same
1661 mode as the original SUBREG, use a new SUBREG to restore the
1664 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1665 multiword complex values.
1667 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1669 * cppalloc.c: Add xstrdup here.
1670 * cpplib.h: Remove savestring prototype.
1671 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1673 * cppfiles.c: s/savestring/xstrdup/ throughout.
1675 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1677 * cpplib.c: Make all directive handlers read their own
1679 (struct directive): Remove last two arguments from FUNC
1680 member prototype. Remove `command_reads_line' member
1682 (directive_table): Remove initializations of
1683 command_reads_line flag. Pretty-print.
1684 (eval_if_expression, do_define, do_line, do_include,
1685 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1686 do_else, do_elif, do_sccs, do_assert, do_unassert,
1687 do_warning): Take only two args.
1689 (cpp_define): Call do_define with two args and the text to
1690 define stuffed into a buffer.
1691 (make_assertion): Call do_assert with two args.
1692 (handle_directive): Call do_line with two args. Call
1693 kt->func with two args. Remove command_reads_line
1695 (do_define, do_undef, do_error, do_warning, do_pragma,
1696 do_sccs): Read the rest of the line here.
1697 (do_ident): Gobble rest of line, as cccp does.
1698 (cpp_undef): New function.
1699 (cpp_start_read): Call cpp_undef instead of do_undef.
1701 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1703 * cpphash.h (union hash_value): Remove `keydef' member, add a
1704 `struct hashnode *aschain' member for #assert.
1706 * cpplib.c (struct tokenlist_list, struct
1707 assertion_hashnode): Delete structure definitions.
1708 (assertion_install, assertion_lookup, delete_assertion,
1709 check_assertion, compare_token_lists, reverse_token_list,
1710 read_token_list, free_token_list): Delete functions.
1711 (parse_assertion): New function.
1712 (cpp_cleanup): Don't destroy the assertion_hashtable.
1714 (do_assert): Gut and rewrite. #assert foo (bar) places
1715 entries for `#foo' and `#foo(bar)' in the macro hash table,
1716 type T_ASSERT. The value union's `aschain' member is used
1717 to chain all answers for a given predicate together.
1718 (do_unassert): Also rewritten. Take an un-asserted
1719 answer off the chain from its predicate and call
1720 delete_macro on the hashnode, or walk a predicate chain
1721 calling delete_macro on all the entries.
1722 (cpp_read_check_assertion): Simply call parse_assertion to
1723 get the canonical assertion name, and look that up in the
1726 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1729 * cpphash.c (install): Use bcopy instead of an explicit loop
1730 to copy the macro name.
1732 * cppexp.c (cpp_lex): Convert the result of
1733 cpp_read_check_assertion to a `struct operation' directly;
1734 don't go through parse_number.
1736 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1738 * loop.h (struct induction): Delete times_used member.
1739 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1740 (n_times_used): Rename to n_times_set. Changed all users.
1741 (scan_loop): Free reg_single_usage before strength reduction.
1742 (record_giv, combine_givs): Remove handling of times_used member.
1743 (combine_givs_used_once): Rename to:
1744 (combine_givs_used_by_other) . Changed all callers.
1746 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1748 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1749 instead of TREE_CODE_CLASS == 't'.
1750 (gen_type_die): Likewise.
1751 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1753 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1755 * real.c (endian): Disable last change unless
1756 HOST_BITS_PER_WIDE_INT is greater than 32.
1758 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1760 * output.h (force_data_section): New prototype.
1761 * varasm.c (force_data_section): New function to force the
1762 data section, regardless of what in_section thinks.
1763 * dwarf2out.c (output_call_frame_info): Call force_data_section
1764 since varasm may not realize we've changes sections.
1766 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1768 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1769 after completeing reload.
1771 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1772 deleted after reload.
1774 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1776 * rtl.h (multiple_sets): Fix prototype.
1777 * rtlanal.c (multiple_sets): Fix return type.
1779 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1781 * version.c: Bump for snapshot.
1783 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1785 * version.c: Bump for snapshot.
1787 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1789 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1791 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1793 * rtl.h (recompute_reg_usage): Add second argument.
1794 * flow.c (recompute_reg_usage): Likewise.
1795 * toplev.c (rest_of_compilation): Supply second argument to
1796 recompute_reg_usage.
1798 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1801 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1803 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1804 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1805 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1808 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1810 * rtlanal.c (multiple_sets): New function.
1811 * rtl.h (multiple_sets): Declare it.
1812 * local-alloc.c (wipe_dead_reg): Use it.
1813 * global.c (global_conflicts): Likewise.
1815 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1817 * global.c (record_conflicts): Don't use an array of shorts to
1818 store an array of ints.
1819 (global_conflicts): Likewise.
1821 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1823 * alpha.c (alpha_expand_block_move): mode_for_size expects
1824 bits, not bytes. Infer extra alignment from addressof.
1826 1998-12-11 Michael Meissner <meissner@cygnus.com>
1828 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1829 .sbss section, not .sdata.
1831 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1833 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1835 * collect2.c: Likewise.
1836 * cpplib.h: Likewise.
1839 * getpwd.c: Likewise.
1840 * protoize.c: Likewise.
1841 * toplev.c: Likewise.
1843 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1844 and don't try to define it here.
1845 * Makefile.in (cppmain.o): Depend on machmode.h.
1846 (cpplib.o): Likewise.
1847 (cpperror.o): Likewise.
1848 (cppexp.o): Likewise.
1849 (cppfiles.o): Likewise.
1850 (cpphash.o): Likewise.
1851 (cppalloc.o): Likewise.
1852 (fix-header.o): Likewise.
1853 (scan-decls.o): Likewise.
1855 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1857 * sh.c (print_operand): lookup interrupt_handler attribute instead
1858 of relying on static variable.
1859 * (calc_live_regs): Likewise.
1860 * (sh_pragma_insert_attributes): Create interrupt_handler
1861 attribute if a pragma was specified
1862 * (sh_valid_machine_decl_attribute): Don't set static flag.
1863 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1865 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1867 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1868 to determine if a register is live at a jump destination.
1869 Everything is dead at a BARRIER.
1871 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1873 * cse.c (simplify_unary_operation): Sign-extend constants when
1874 they have the most significant bit set for the target.
1875 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1877 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1878 HOST_WIDE_INT temporary before negating it.
1879 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1881 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1883 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1886 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1888 * collect2.h: New header file for prototypes.
1890 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1892 * collect2.c: Include collect2.h.
1893 * tlink.c: Likewise.
1895 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1897 * flow.c: Update some comments.
1899 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1901 * objc/objc-act.c (cpp_initialized): Removed.
1902 (lang_init_options): Initialize cpplib.
1903 (lang_decode_option): Move initialization of cpplib to
1905 * c-lang.c: (parse_options,parse_in): Added.
1906 (lang_init_options): Initialized cpplib here.
1907 * c-decl.c (parse_options,cpp_initialized): Removed.
1908 (c_decode_option): Move initialization of cpplib to
1911 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * reload1.c (reload_combine, reload_combine_note_store):
1914 Make STORE_RUID always valid.
1915 (reload_combine): Check if BASE is clobbered too early.
1917 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1919 * reload.c (find_reloads): Display the insn that cannot be
1922 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1924 * cccp.c (create_definition): Fix end of bufer logic.
1926 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1928 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1929 pointer parameters changed to use the PARAMS() macro.
1931 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1933 * except.h (struct handler_info): Add handler_number field.
1934 * except.c (gen_exception_label): EH labels no longer need to be
1935 on the permanent obstack.
1936 (get_new_handler): Set the label number field.
1937 (output_exception_table_entry): Regenerate handler label reference
1938 from the label number field.
1939 (init_eh): Remove a blank line.
1940 * integrate.c (get_label_from_map): Labels no longer need to be
1941 on the permanent obstack.
1943 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1945 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1946 only when OUTER_CODE is SET.
1948 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1950 * loop.c (strength_reduce): If scan_start points to the loop exit
1951 test, be wary of subversive use of gotos inside expression statements.
1952 Don't set maybe_multiple for a backward jump that does not
1953 include the label under consideration into its range.
1954 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1956 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1958 * explow.c (plus_constant_wide): Don't immediately return with
1959 result of recursive call.
1961 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1963 * eh-common.h (struct eh_context): Add table_index for rethrows.
1965 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1966 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1967 processed when inlined or unrolled (ie duplicated in some way).
1969 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1971 * expr.h (rethrow_libfunc): New library decl.
1973 * optabs.c (rethrow_libfunc): Initialize.
1975 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1976 (new_eh_region_entry): No longer exported from except.c.
1977 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1978 different prototype.
1979 (rethrow_symbol_map, rethrow_used): New exported functions.
1980 (eh_region_from_symbol): New exported function.
1982 * except.c (create_rethrow_ref): New function to create a single
1983 SYMBOL_REF for a rethrow region.
1984 (push_eh_entry): Initialize a rethrow ref.
1985 (func_eh_entry): Add a rethrow_label field.
1986 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1987 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1988 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1989 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1990 a region into an appropriate new symbol.
1991 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1992 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1993 (end_catch_handler): Emit a barrier for new-exceptions since
1994 control can never drop through the end of a catch block.
1995 (expand_end_all_catch): new-exceptions never fall through a catch
1997 (expand_rethrow): use __rethrow routine for new exceptions.
1998 (output_exception_table_entry): Generate rethrow labels, if needed.
1999 (output_exception_table): Generate start and end rethrow labels.
2000 (init_eh): Create rethrow symbols for beginning and end of table.
2001 (scan_region): Don't eliminate EH regions which are the targets of
2004 * flow.c (make_edges): Add different edges for rethrow calls,
2005 identified by having the REG_EH_RETHROW reg label.
2006 (delete_unreachable_blocks): Don't delete regions markers which are
2007 the target of a rethrow.
2009 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
2010 allow save_for_inline_copying to call duplicate_eh_handlers.
2011 (save_for_inline_copying): Call duplicate_eh_handlers instead of
2012 exposing internal details of exception regions.
2013 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
2014 (expand_inline_function_eh_labelmap): New callback routine to
2015 allow expand_inline_function to call duplicate_eh_handlers.
2016 (expand_inline_function): Call duplicate_eh_handlers instead of
2017 exposing internal details of exception regions.
2018 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
2021 * libgcc2.c (find_exception_handler): Generalize to enable it to
2022 pick up processing where it left off last time for a rethrow.
2023 (__unwinding_cleanup): New function. debug hook which is called before
2024 unwinding when __throw finds there is nothing but cleanups left.
2025 (throw_helper): Common parts of __throw extracted out for reuse.
2026 (__throw): Common parts moved to throw_helper.
2027 (__rethrow): New function for performing rethrows.
2029 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
2031 * reload1.c (current_function_decl): Tweak declaration.
2033 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
2035 * c-decl.c (flag_isoc9x): Default off.
2036 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
2037 * cccp.c (print_help, main): Likewise.
2038 * gcc.c (default_compilers): Update for -std=gnu*.
2040 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
2042 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
2043 * demangle.h: Deleted.
2045 * reload1.c (current_function_decl): Declare.
2047 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2049 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
2051 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
2055 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
2057 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
2059 * configure: Rebuilt.
2060 * system.h: If the *_unlocked functions are available use them
2061 instead of the locked counterparts by defining macros.
2062 * config.in: Regenerated.
2064 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
2066 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
2067 wrong and should only be used for dump related things, not
2068 debugging information, instead main_input_filename should be used.
2069 Also, reuse output_file_directive if possible.
2070 * i386/aix386ng.h (ASM_FILE_START): Likewise.
2071 * i386/isc.h (ASM_FILE_START): Likewise.
2072 * i386/win-nt.h (ASM_FILE_START): Likewise.
2073 * i386/sun386.h (ASM_FILE_START): Likewise.
2075 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
2077 * configure.in (mips*-*-linux*): Handle big and little endian
2079 * configure: Rebuilt.
2081 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
2083 * emit-rtl.c: Fix typo.
2085 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
2087 * reload1.c (eliminate_regs): Don't do anything, if we're not
2090 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
2092 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
2094 * mips/mips.c (mips_select_section): Add comment.
2096 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
2098 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
2099 characters in file names in #line to be consistent with #include
2100 handling. We support escape prcessing in the # 1 "..." version of
2101 the command. See also support in cp/lex.c.
2102 (handle_directive): Likewise.
2103 (do_line): Likewise.
2105 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2107 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
2108 so it'll work on non-ASCII platforms. Always consider $ an
2109 identifier character. Take no arguments.
2110 (cpp_reader_init): Call initialize_char_syntax with no
2112 (cpp_start_read): Don't call initialize_char_syntax again.
2113 Clear is_idchar['$'] and is_idstart['$'] if not
2114 opts->dollars_in_ident.
2116 * cpplib.h (struct cpp_reader): Replace void *data element by
2117 cpp_options *opts. Rearrange elements to make gdb printout
2118 less annoying (put buffer stack at end).
2119 (CPP_OPTIONS): Get rid of now-unnecessary cast.
2121 * cppmain.c: s/data/opts/ when initializing cpp_reader
2123 * c-decl.c: Likewise.
2124 * objc/objc-act.c: Likewise.
2125 * fix-header.c: Likewise.
2127 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2129 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
2130 with a struct file_name_list pointer.
2131 (struct cpp_reader): Add pointer to chain of `actual
2132 directory' include searchpath entries.
2133 (struct file_name_list): Add *alloc pointer for the sake of
2134 the actual-directory chain.
2136 Move definition of HOST_WIDE_INT here.
2137 (cpp_parse_escape): Change prototype to match changes in
2140 * cppfiles.c (actual_directory): New function.
2141 (finclude): Use it to initialize the buffer's actual_dir
2143 (find_include_file): We don't need to fix up max_include_len
2146 * cpplib.c (do_include): Don't allocate a file_name_list on
2147 the fly for current directory "" includes, use the one that's
2148 been preallocated in pfile->buffer->actual_dir. Hoist out
2149 duplicate code from the search_start selection logic.
2150 (cpp_reader_init): Initialize pfile->actual_dirs.
2152 Remove definition of HOST_WIDE_INT. Change calls
2153 to cpp_parse_escape to match changes in cppexp.c (note
2154 hardcoded MASK, which is safe since this is the source
2157 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
2158 to handle wide character constants in #if directives. The
2159 function now returns a HOST_WIDE_INT, and takes a third
2160 argument which is a binary mask for all legal values (0x00ff
2161 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
2162 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
2163 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
2165 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
2167 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
2169 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
2172 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
2173 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
2175 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
2177 * final.c (output_asm_name): Use tabs to seperate comments from
2180 Include instruction lengths (if defined) in output.
2182 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2184 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
2185 in the loop_info structure.
2187 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
2189 * configure.in: (arm*-*-ecos-elf): New target.
2190 * configure: Regenerated.
2191 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
2192 * config/arm/ecos-elf.h: New file.
2193 * config/arm/unknown-elf.h (TARGET_VERSION): Check
2196 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2198 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
2200 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
2202 * version.c: Bump for snapshot.
2204 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2206 * loop.c (check_dbra_loop): New argument loop_info. Update fields
2209 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
2211 * version.c: Bump for snapshot.
2213 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2215 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
2216 compressed reports are ok and preferred over URLs
2218 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2220 * invoke.texi (Warning Options): Soften the tone of -pedantic
2222 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
2224 * print-rtl.c (print_rtx): Add prototype.
2226 * unroll.c (iteration_info): Make it static.
2228 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
2230 * alias.c (memrefs_conflict_p): A second ANDed address
2231 disables the aligned address optimization.
2233 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
2235 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
2238 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2240 * i960.h (BOOL_TYPE_SIZE): Define.
2242 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2244 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
2245 from old valid_parallel_operands_4.
2246 (valid_parallel_operands_4): Check that operands for 4 operand
2247 parallel insns are valid, excluding load/store insns.
2248 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
2249 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
2250 valid_parallel_load_store instead of valid_parallel_operands_4.
2251 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
2252 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
2253 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
2254 *notqi_movqi_clobber): Use valid_parallel_operands_4.
2255 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
2256 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
2257 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
2259 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2261 * config/c4x/c4x.c (iteration_info): Delete extern.
2263 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2265 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
2267 * final.c (cleanup_subreg_operands): Delete some unused code.
2269 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
2270 (struct insn_alternative): New structure definition.
2271 (recog_op_alt): Declare variable.
2272 (preprocess_constraints): Declare function.
2273 * recog.c (recog_op_alt): New variable.
2274 (extract_insn): Verify number of alternatives is in range.
2275 (preprocess_constraints): New function.
2276 * reg-stack.c: Include recog.h.
2277 (constrain_asm_operands): Delete.
2278 (get_asm_operand_lengths): Delete.
2279 (get_asm_operand_n_inputs): New function.
2280 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
2281 N_OUTPUTS args. All callers changed.
2282 Compute number of inputs and outputs here by calling
2283 get_asm_operand_n_inputs.
2284 Instead of constrain_asm_operands, call extract_insn,
2285 constrain_operands and preprocess_constaints. Use information
2286 computed by these functions throughout.
2287 (record_reg_life): Delete code that is unused due to changes in
2288 record_asm_reg_life.
2289 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
2290 N_INPUTS and N_OUTPUTS args. All callers changed.
2291 Similar changes as in record_asm_reg_life.
2292 (subst_stack_regs): Move n_operands declaration into the if statement
2294 Delete code that is unused due to changes in subst_asm_stack_regs.
2295 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2297 * Makefile.in (reg-stack.o): Depend on recog.h.
2299 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2301 * except.c (set_exception_version_code): Argument is an "int".
2303 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2305 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2306 * configure: Rebuilt.
2308 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2310 * configure.in (mipsel-*-linux*): New target.
2311 * mips/linux.h: New file, based on other Linux targets.
2313 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2315 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2316 runs in the context of the deleter, not the deletee, so we must
2317 use taskVarGet to find the correct memory to free.
2318 (__gthread_key_create): Initialize the task
2319 variable subsystem so that the task variable is still active when
2320 the delete hook is run.
2322 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2324 * pdp11.h: Use optimize_size for space optimizations.
2325 * pdp11.c: Likewise.
2326 * pdp11.md: Likewise.
2328 * pdp11.h (TARGET_40_PLUS): Fix typo.
2330 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2332 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2335 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2337 * alias.c (addr_side_effect_eval): New function.
2338 (memrefs_conflict_p): Use it.
2339 * rtl.h (addr_side_effect_eval): Prototype it.
2341 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2343 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2345 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2347 * reload.c (find_reloads): When force const to memory, put result
2348 in substed_operand not *recog_operand_loc.
2350 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2352 * c-lex.c: Fix indentation from last patch.
2353 Remove trailing whitespace.
2356 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2358 * flow.c (delete_block): Call set_last_insn after we have reset
2359 NEXT_INSN (kept_tail).
2361 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2363 * mips.md (trap_if): Use "$0" for the value zero.
2365 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2366 Stephen L Moshier <moshier@world.std.com>
2367 Richard Henderson <rth@cygnus.com>
2369 * c-common.c (declare_function_name): Declare predefinied variable
2372 * c-decl.c (flag_isoc9x): Set to 1 by default.
2373 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2374 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2376 * c-parse.in: Allow constructors in ISO C 9x.
2377 Rewrite designator list handling.
2378 Allow [*] parameters.
2379 Don't warn about comma at end of enum definition for ISO C 9x.
2381 * cccp.c (c9x): New variable.
2382 (rest_extension): New variable.
2383 (print_help): Document new -std= option.
2384 (main): Recognize -std= option. Set c9x appropriately.
2385 (create_definition): Recognize ISO C 9x vararg macros.
2387 * gcc.c (default_compilers): Adjust specs for -std options.
2388 (option_map): Add --std.
2389 (display_help): Document -std.
2391 * toplev.c (documented_lang_options): Add -std and remove
2394 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2395 or REAL_VALUE_HTOF based on base of the constants.
2396 * fold-const.c (real_hex_to_f): New function. Replacement function
2397 for hex FP conversion if REAL_ARITHMETIC is not defined.
2398 * real.c (asctoeg): Add handling of hex FP constants.
2399 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2402 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2404 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2405 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2406 expansion. Use hi/lo as destination register.
2408 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2409 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2410 Avoid as macro expansion. Use hi/lo as destination register.
2412 * mips.h (MASK_CHECK_RANGE_DIV): New.
2413 (MASK_NO_CHECK_ZERO_DIV): New.
2414 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2415 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2416 return address for leaf functions out of r31 to support
2417 builtin_return_address.
2419 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2421 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2422 NEXT_INSN(x) to check insn x.
2424 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2426 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2427 last insn in the rtl chain.
2429 * reload1.c (reload): Do not set reload_completed or split insns
2431 * toplev.c (rest_of_compilation): Set reload_completed after
2432 reload returns. Split insns after reload_cse has run.
2434 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2436 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2438 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2440 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2442 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2444 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2445 use of user-label_prefix.
2447 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * reload1.c (emit_reload_insns): Clear spill_reg_store
2450 when doing a new non-inherited reload from the same pseudo.
2452 * local-alloc.c (function_invariant_p): New function.
2453 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2454 to decide if an equivalence should be recorded.
2455 * reload1.c (num_eliminable_invariants): New static variable.
2456 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2457 to decide if an equivalence should be recorded.
2459 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2460 Take num_eliminable_invariants into account when deciding
2461 if register elimination should be done.
2462 (reload_as_needed): Take num_eliminable_invariants into account
2463 when deciding if register elimination should be done.
2464 (eliminate_regs): Handle non-constant reg_equiv_constant.
2465 * rtl.h (function_invariant_p): Declare.
2467 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2469 * version.c: Bump for snapshot.
2471 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2473 * version.c: Bump for snapshot.
2475 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2477 * except.c (add_new_handler): Complain about additional handlers
2478 after one that catches everything.
2480 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2482 * configure.in (alpha*-*-netbsd): Fix typo.
2483 * configure: Rebuilt.
2485 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2487 * system.h: Include libiberty.h.
2489 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2490 function `concat' from fixed parameters to variable parameters,
2491 as is done in libiberty. All callers of concat/concat3
2492 changed to use the new `concat' with variable args.
2494 * cccp.c: Remove things made redundant by libiberty.h and/or
2495 conform to libiberty standards.
2497 * collect2.c: Likewise.
2498 * config/1750a/1750a.h: Likewise.
2499 * cppalloc.c: Likewise.
2500 * cppexp.c: Likewise.
2501 * cppfiles.c: Likewise.
2502 * cpphash.c: Likewise.
2503 * cpplib.c: Likewise.
2504 * dyn-string.c: Likewise.
2505 * fix-header.c: Likewise.
2508 * genattr.c: Likewise.
2509 * genattrtab.c: Likewise.
2510 * gencheck.c: Likewise.
2511 * gencodes.c: Likewise.
2512 * genconfig.c: Likewise.
2513 * genemit.c: Likewise.
2514 * genextract.c: Likewise.
2515 * genflags.c: Likewise.
2516 * gengenrtl.c: Likewise.
2517 * genopinit.c: Likewise.
2518 * genoutput.c: Likewise.
2519 * genpeep.c: Likewise.
2520 * genrecog.c: Likewise.
2521 * getpwd.c: Likewise.
2522 * halfpic.c: Likewise.
2524 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2525 in NEED_DECLARATION_* macros.
2527 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2528 conform to libiberty standards.
2529 (fatal): Fix const-ification of variable `format' in
2530 !ANSI_PROTOTYPES case.
2532 * prefix.c: Remove things made redundant by libiberty.h and/or
2533 conform to libiberty standards.
2535 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2536 conflicting with function `spaces' from libiberty.
2538 * profile.c: Remove things made redundant by libiberty.h and/or
2539 conform to libiberty standards.
2540 * protoize.c: Likewise.
2543 * tlink.c: Likewise.
2544 * toplev.c: Likewise.
2545 * toplev.h: Likewise.
2548 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2552 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2554 * README.C4X: Updated URLs.
2555 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2556 (valid_parallel_operands_5): Remove unused variable.
2558 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2560 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2562 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2564 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2565 which can be configured.
2566 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2567 (Makefile): Pass actual LANGUAGES through the environment when
2569 (cstamp-h): Likewise.
2570 (config.status): Likewise.
2572 * configure.in (enable_languages): Add new configuration parameter
2573 "--enable-languages=lang1,lang2,...".
2574 (${srcdir}/*/config-lang.in): Change handling to configure only
2575 those directories, that the user might have enabled; default to
2576 "all" existing languages.
2577 * configure: Regenerate.
2579 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2581 * rtlanal.c (regs_set_between_p): New function.
2582 * rtl.h (regs_set_between_p): Prototype it.
2583 * jump.c (jump_optimize): Use it instead of modified_between_p
2584 in the Sep 2 change.
2586 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2587 Matthias Pfaller <leo@dachau.marco.de>
2589 * invoke.texi (Option Summary, NS32K Options): add description
2590 of NS32K specific options.
2592 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2593 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2594 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2595 negdf2, absdf2): Use l instead of f since the double class and
2596 float class are no longer the same.
2597 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2598 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2599 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2600 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2602 (cmpsi, cmphi, cmpqi): use general_operand instead of
2603 non_immediate_operand. Removes erroneous assumption that can't
2605 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2606 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2608 (movstrsi, movstrsi1, movstrsi2): completely new block move
2610 (...): Patterns to exploit multiply-add instructions.
2611 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2612 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2613 patterns to exploit extended divide insns.
2614 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2617 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2618 float return values as well as simple scalar floats.
2619 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2620 support new flag to denote 32381 fpu.
2621 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2622 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2624 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2625 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2626 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2627 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2628 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2629 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2630 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2631 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2632 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2633 fpu registers and special register classes for new 32381
2634 instructions dotf and polyf.
2635 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2637 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2638 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2640 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2641 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2642 (REGISTER_MOVE_COST): move code to register_move_cost function for
2643 ease of coding and debugging.
2644 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2645 LONG_FLOAT_REGO is likely spilled but not caught by default
2647 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2648 instead of hard coded numbers in range check.
2649 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2650 (...): Add prototypes for functions in ns32k.c but disable because
2651 of problems when ns32k.h is included in machine independant files.
2653 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2654 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2655 hard_regno_mode_ok, secondary_reload_class,
2656 print_operand, print_operand_address): new register scheme to
2657 include 32381 fpu registers and special register classes for new
2658 32381 instructions dotf and polyf.
2659 (gen_indexed_expr): Make static to keep namespace clean.
2660 (check_reg): remove since never called.
2661 (move_tail, expand_block_move): helper functions for "movstrsi"
2663 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2664 Increase cost of moves which go via memory.
2665 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2666 (CPP_PREDEFINES): nolonger predefine "unix".
2668 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2669 Remove erroneous %$. print_operand() can work out from the rtx is
2670 an immediate prefix is required.
2672 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2673 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2674 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2676 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2679 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2680 Correct handling of pic operands.
2681 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2682 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2683 -mrtd calling convention.
2685 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2687 * gcc.c (option_map): Recognize --output-class-directory.
2689 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2691 * loop.h (precondition_loop_p): Added new mode argument.
2692 * unroll.c (precondition_loop_p): Likewise.
2693 (approx_final_value): Function deleted and subsumed
2694 into loop_iterations.
2695 (loop_find_equiv_value): New function.
2696 (loop_iterations): Use loop_find_equiv_value to find increments
2697 too large to be immediate constants. Also use it to find terms
2698 common to initial and final iteration values that can be removed.
2700 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2702 * loop.h (struct loop_info): Define new structure.
2703 (precondition_loop_p): Added prototype.
2704 (unroll_loop): Added new argument loop_info to prototype.
2705 (final_biv_value, final_giv_value): Added new argument n_iterations
2707 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2708 and new pointer loop_info.
2709 (loop_n_iterations): Replace global variable by element in
2710 loop_info structure.
2711 (check_final_value): New argument n_iterations.
2712 (insert_bct): New argument loop_info.
2713 (loop_unroll_factor): Replace global array by element in
2714 loop_info structure.
2715 (loop_optimize): Remove code to allocate and initialise
2716 loop_unroll_factor_array.
2717 * unroll.c (precondition_loop_p): No longer static since
2718 used by branch on count optimization.
2719 (precondition_loop_p, unroll_loop): New argument loop_info.
2720 (final_biv_value, final_giv_value, find_splittable_regs): New
2721 argument n_iterations.
2722 (loop_iteration_var, loop_initial_value, loop_increment,
2723 loop_final_value, loop_comparison_code, loop_unroll_factor):
2724 Replaced global variables by loop_info structure.
2725 (loop_unroll_factor): Replace global array by element in
2726 loop_info structure.
2728 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2730 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2733 * unroll.c (precondition_loop_p): Return loop_initial_value
2734 for initial_value instead of loop_iteration_var.
2736 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2738 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2739 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2740 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2741 to output the instruction sequences.
2743 (rptb_top): Provide alternatives to use any register or memory
2745 (rptb_end): Emit use of operands rather than assigning them
2746 explicitly to the RS and RE registers.
2748 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2750 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2751 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2752 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2753 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2754 c4x_merge_notes, c4x_parallel_process,
2755 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2756 c4x_combine_parallel): Delete.
2758 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2760 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2761 with old target options clear flag_branch_on_count_reg if
2762 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2764 (c4x_output_cbranch): Handle a sequence of insns rather than a
2766 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2767 has not been allocated as the loop counter.
2768 (c4x_address_conflict): Do not allow two volatile memory references.
2769 (valid_parallel_operands_4, valid_parallel_operands_5,
2770 valid_parallel_operands_6): Reject pattern if the register destination
2771 of the first set is used as part of an address in the second set.
2773 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2775 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2776 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2777 is no longer enabled if PARALLEL_MPY_FLAG set.
2778 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2779 (REG_CLASS_CONTENTS): Add braces around initializers.
2780 (HAVE_MULTIPLE_PACK): Define.
2781 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2782 REAL_VALUE_TO_DECIMAL.
2783 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2784 REAL_VALUE_TO_DECIMAL.
2785 (ar0_reg_operand): Add prototype.
2786 (ar0_mem_operand): Likewise.
2787 (ar1_reg_operand): Likewise.
2788 (ar1_mem_operand): Likewise.
2789 (ar2_reg_operand): Likewise.
2790 (ar2_mem_operand): Likewise.
2791 (ar3_reg_operand): Likewise.
2792 (ar3_mem_operand): Likewise.
2793 (ar4_reg_operand): Likewise.
2794 (ar4_mem_operand): Likewise.
2795 (ar5_reg_operand): Likewise.
2796 (ar5_mem_operand): Likewise.
2797 (ar6_reg_operand): Likewise.
2798 (ar6_mem_operand): Likewise.
2799 (ar7_reg_operand): Likewise.
2800 (ar7_mem_operand): Likewise.
2801 (ir0_reg_operand): Likewise.
2802 (ir0_mem_operand): Likewise.
2803 (ir1_reg_operand): Likewise.
2804 (ir1_mem_operand): Likewise.
2805 (group1_reg_operand): Likewise.
2806 (group1_mem_operand): Likewise.
2807 (ir1_reg_operand): Likewise.
2808 (arx_reg_operand): Likewise.
2809 (not_rc_reg): Likewise.
2810 (not_modify_reg): Likewise.
2811 (c4x_group1_reg_operand): Remove prototype.
2812 (c4x_group1_mem_operand): Likewise.
2813 (c4x_arx_reg_operand): Likewise.
2815 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2817 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2818 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2820 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2822 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2825 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2827 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2828 unless FMOVD_WORKS is defined.
2830 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2832 * regclass.c (init_reg_sets): Move code that calculates tables
2833 dependent on reg_class_contents from here...
2834 (init_reg_sets_1): To here.
2836 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2838 * cpplib.h: Delete struct import_file. Add ihash element to
2839 struct cpp_buffer. Delete dont_repeat_files and
2840 import_hash_table elements from cpp_reader; change
2841 all_include_files to a hash table. Delete all foobar_include
2842 / last_foobar_include elements from struct cpp_options; put
2843 back four such: quote_include, bracket_include,
2844 system_include, after_include. Redo struct file_name_list
2845 completely. Add new structure type include_hash. Add
2846 prototypes for merge_include_chains and include_hash. Change
2847 prototypes for finclude, find_include_file, and
2848 append_include_chain to match changes below.
2850 * cppfiles.c (simplify_pathname, include_hash,
2851 remap_filename, merge_include_chains): New functions.
2852 (add_import, lookup_import, open_include_file): Removed.
2853 (INO_T_EQ): Define this (copied from cccp.c).
2854 (hack_vms_include_specification): Remove all calls and #if 0
2855 out the definition. It was being called incorrectly and at
2856 the wrong times. Until a VMSie can look at this, it's better
2857 to not pretend to support it.
2858 (append_include_chain): Change calling convention; now takes
2859 only one directory at a time, and sets up the data structure
2861 (redundant_include_p): Rewritten - this is now used for all
2862 include redundancy, whether by #ifndef, #import, or #pragma
2863 once. Looks up things in the include hash table.
2864 (file_cleanup): Decrement pfile->system_include_depth here if
2866 (find_include_file): Calling convention changed; now passes
2867 around a struct include_hash instead of 3 separate parameters.
2868 Guts ripped out and replaced with new include_hash mechanism.
2869 (finclude): Calling convention changed as for
2870 find_include_file. Error exits pulled out-of-line. Reformat.
2871 (safe_read): Return a long, not an int.
2872 (deps_output): Don't recurse.
2874 * cpplib.c (is_system_include): Deleted.
2875 (path_include): Fix up call to append_include_chain.
2876 (do_include): Fix up calls to find_include_file and finclude.
2877 Clean up dependency output a bit. Shorten obnoxiously lengthy
2878 #import warning message. Don't decrement
2879 pfile->system_include_depth here.
2880 (do_pragma): Understand the include_hash structure. Reformat.
2881 (do_endif): Correct handling of control macros. Understand
2883 (cpp_start_read): Fix up calls to finclude. Call
2884 merge_include_chains.
2885 (cpp_handle_option): Fix up calls to append_include_chain.
2886 Understand the four partial include chains.
2887 (cpp_finish): Add debugging code (#if 0-ed out) for the
2889 (cpp_cleanup): Free the include_hash, not the import hash and
2890 the all_include and dont_repeat lists which no longer exist.
2892 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2894 * toplev.c (no_new_pseudos): Define.
2895 (rest_of_compilation): Set no_new_pseudos as needed.
2896 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2897 if no_new_pseudos is set.
2898 * rtl.h (no_new_pseudos): Declare it.
2899 * reload1.c (reload): Update comments.
2900 * md.texi: Corresponding changes.
2902 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2904 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2905 (choose_reload_regs): Rename it here as well. When computing it,
2906 also merge in used hardregs.
2908 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2910 * gcc.c: Split out Objective-C specs to...
2911 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2914 * c-lex.c (init_parse): Always initialize the filename global.
2915 * objc/objc-act.c (lang_init): Always call check_newline at
2918 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2920 * reload1.c (reload): Remove unused variable.
2921 (reload_reg_free_for_value_p): Add missing parameter definition.
2923 * jump.c (jump_optimize): Remove unused variable.
2925 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2927 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2929 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2931 * expr.c (move_by_pieces): Similarly.
2932 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2933 * flow.c (find_auto_inc): Similarly.
2934 (try_pre_increment): Similarly.
2935 * loop.c (strength_reduce): Similarly.
2936 * regclass.c (auto_inc_dec_reg_p): Similarly.
2937 * regmove.c (try_auto_increment): Similarly.
2938 (fixup_match_1): Similarly.
2939 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2940 (HAVE_PRE_DECREMENT): Similarly.
2941 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2942 * Corresponding changes to all target header files.
2943 * tm.texi: Update docs for autoinc addressing modes.
2945 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2947 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2948 * configure: Rebuild.
2949 * config/elfos.h: New file.
2950 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2951 config/m68k/t-m68kelf: New file.
2953 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2955 * Makefile.in (HOST_AR): Define.
2956 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2957 (libcpp.a): Use the host tools explicitly.
2958 (STAGESTUFF): Add libcpp.a.
2960 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2962 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2963 to source and destination registers.
2965 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2967 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2968 The strategy we now use is to pre allocate the top_elt along
2969 with the EH context so that each thread has its own top_elt.
2970 This is necessary as the dynmanic cleanup chain is used on the
2971 top element of the stack and each thread MUST have its own.
2972 (eh_context_static): Likewise.
2973 (new_eh_context): Likewise.
2974 (__sjthrow): Likewise.
2976 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2978 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2979 * i386.md (prologue_get_pc): Remove unused variable.
2981 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2983 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2985 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2987 * Makefile.in (OBJS): Add graph.o
2988 (graph.o): New dependency list.
2989 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2990 * print-rtl.c (dump_for_graph): Define new variable.
2991 (print_rtx): Rewrite to allow use in graph dumping functions.
2992 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2993 finish_graph_dump_file.
2994 Define graph_dump_format.
2995 (compile_file): If graph dumping is enabled also clear these files.
2996 Finish graph dump files.
2997 (rest_of_compilation): Also dump graph information if enabled.
2998 (main): Recognize -dv to enabled VCG based graph dumping.
2999 * graph.c: New file. Graph dumping functions.
3001 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
3003 * configure.in: Look for <sys/stat.h>.
3004 * system.h: Include it before substitute S_ISREG definitions.
3006 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
3008 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
3009 * config/mips/iris6.h: Same.
3010 * config/mips/mips.md: Same.
3011 * config/mips/mips.c: Same; also add "-mabi=o64" option.
3012 * config/mips/mips.h: Same; also define ABI_O64.
3014 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3016 * configure.in: Use AC_PREREQ(2.12.1).
3018 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3020 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
3021 * cpplib.c, gcc.c: Likewise.
3022 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
3024 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
3026 * local-alloc.c (local_alloc): Use malloc not alloca for
3027 reg_qty, reg_offset, ref_next_in_qty.
3029 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3031 * caller-save.c (insert_one_insn): Initialize the live_before and
3032 live_after register sets.
3036 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
3037 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
3038 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
3039 (fp_reg_names, assembler_dialect): New variables.
3040 (print_operand_address): Handle SUBREGs.
3041 (print_operand): Added 'o' case.
3042 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
3043 Name of FP registers depends on mode.
3044 (expand_block_move): Emit different code for SH4 hardware.
3045 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
3046 (from_compare): Likewise.
3047 (add_constant): New argument last_value. Changed all callers.
3048 (find_barrier): Don't try HImode load for FPUL_REG.
3049 (machine_dependent_reorg): Likewise.
3050 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
3051 (gen_far_branch): Emit a barrier after the new jump.
3052 (barrier_align): Don't trust instruction lengths before
3054 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
3055 Use auto-inc addressing for fp registers if doubles need to
3056 be loaded in two steps.
3057 Set sh_flag_remove_dead_before_cse.
3058 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
3059 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
3060 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
3061 Support for FIRST_XD_REG .. LAST_XD_REG.
3062 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
3063 (sh_expand_epilogue): Likewise.
3064 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
3065 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
3066 (arith_reg_operand): FPUL_REG is OK for SH4.
3067 (fp_arith_reg_operand, fp_extended_operand) New functions.
3068 (tertiary_reload_operand, fpscr_operand): Likewise.
3069 (commutative_float_operator, noncommutative_float_operator): Likewise.
3070 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
3071 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
3072 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
3073 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
3074 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
3075 (CONDITIONAL_REGISTER_USAGE): Likewise.
3076 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
3077 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
3078 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
3079 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
3080 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
3081 to -1 and sh_flag_remove_dead_before_cse to 1.
3082 (ASSEMBLER_DIALECT): Define to assembler_dialect.
3083 (assembler_dialect, fp_reg_names): Declare.
3084 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
3085 Hide names of registers that are not accessible.
3086 (CACHE_LOG): Take TARGET_CACHE32 into account.
3087 (LOOP_ALIGN): Take TARGET_HARWARD into account.
3088 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
3089 (FIRST_PSEUDO_REGISTER: Now 49.
3090 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
3091 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
3092 (HARD_REGNO_MODE_OK): Update.
3093 (enum reg_class): Add DF_REGS and FPSCR_REGS.
3094 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
3095 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
3096 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
3097 (NPARM_REGS): Eight floating point parameter registers on SH4.
3098 (BASE_RETURN_VALUE_REG): SH4 also passes double values
3099 in floating point registers.
3100 (GET_SH_ARG_CLASS) Likewise.
3101 Complex float types are also returned in float registers.
3102 (BASE_ARG_REG): Complex float types are also passes in float registers.
3103 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
3104 (LIBCALL_VALUE): Remove trailing semicolon.
3105 (ROUND_REG): Round when double precision value is passed in floating
3107 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
3108 passed on the stack.
3109 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
3110 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
3111 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
3112 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
3113 (MODE_DISP_OK_8): Not for SH4 DFmode.
3114 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
3115 Allow indexed addressing for PSImode after reload.
3116 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
3117 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
3118 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
3119 (DOUBLE_TYPE_SIZE): 64 for SH4.
3120 (RTX_COSTS): Add PLUS case.
3121 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
3122 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
3123 MAC_REGS, PR_REGS, DF_REGS.
3124 (REGISTER_NAMES): Use fp_reg_names.
3125 (enum processor_type): Add PROCESSOR_SH4.
3126 (sh_flag_remove_dead_before_cse): Declare.
3127 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
3128 (PREDICATE_CODES): Add binary_float_operator,
3129 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
3130 fpscr_operand, noncommutative_float_operator.
3131 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
3132 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
3133 * sh.md (attribute cpu): Add value sh4.
3134 (attrbutes fmovd, issues): Define.
3135 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
3136 (function units memory, int, mpy, fp): Make dependent on issue rate.
3137 (function units issue, single_issue, load_si, load): Define.
3138 (function units load_store, fdiv, gp_fpul): Define.
3139 (attribute hit_stack): Provide proper default.
3140 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
3141 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
3142 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
3143 (mulsi3_call): Now uses match_operand for function address.
3144 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
3146 (push, pop, push_e, pop_e): Now define_expands.
3147 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
3148 (movsi_ie): Added y/i alternative.
3149 (ic_invalidate_line_i, movdf_i4): New insns.
3150 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
3151 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
3152 (movdf): Add special code for SH4.
3153 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
3154 (call_valuei, calli, call_value): Likewise.
3155 (movsf): Emit no-op move.
3156 (mov_nop, movsi_y): New insns.
3157 (blt, sge): generalize to handle DFmode.
3158 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
3159 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
3160 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
3161 (fpu_switch0, fpu_switch1, movpsi): New expanders.
3162 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
3163 (toggle_sz): New insn.
3164 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
3165 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
3166 (macsf3): Make use of fpscr visible. Disable for SH4.
3167 (floatsisf2): Make use of fpscr visible.
3168 (floatsisf2_i4): New insn.
3169 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
3170 (ieee_ccmpeqsf_t): Likewise.
3171 (fix_truncsfsi2): Emit different code for SH4.
3172 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
3173 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
3174 (negsf2, sqrtsf2, abssf2): Now expanders.
3175 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
3176 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
3177 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
3178 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
3179 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
3180 (fix_truncdfsi2_i4_2+1): New splitters.
3181 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
3182 (extendsfdf2, truncdfsf2): New expanders.
3183 (truncdfsf2_i4): New insn.
3184 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
3185 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
3186 * float-sh.h: When testing for __SH3E__, also test for
3187 __SH4_SINGLE_ONLY__ .
3188 * va-sh.h (__va_freg): Define to float.
3189 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
3190 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
3191 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
3192 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
3194 (TARGET_SH4_P): Define.
3197 * sh.md (movdf_k, movsf_i): Tweak the condition so that
3198 init_expr_once is satisfied about the existence of load / store insns.
3200 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
3201 change m constraint in source operand to mr / mf .
3203 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
3205 * (__VA_REEF): Define.
3206 (__va_arg_sh1): Use it.
3208 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
3210 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
3212 * i386/dgux.c (struct option): Add new "description field".
3213 * m88k/m88k.c (struct option): Likewise.
3215 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
3217 * version.c: Bump for snapshot.
3219 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3221 * regmove.c (regmove_profitable_p): Use return value of find_matches
3224 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
3226 * version.c: Bump for snapshot.
3228 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
3230 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
3231 without reload having been called earlier.
3233 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
3235 (v850_reorg): Similarly.
3237 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
3239 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3241 * loop.c (move_movables): Start of libcall might be new loop start.
3243 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
3247 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3249 * function.c (nonlocal_goto_handler_slots): Renamed from
3250 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
3251 (push_function_context_to): Adjust for this change.
3252 (pop_function_context_from): Likewise.
3253 (init_function_start): Likewise.
3254 (expand_function_end): Likewise.
3255 * function.h (struct function): Likewise.
3256 * calls.c (expand_call): Likewise.
3257 * explow.c (allocate_dynamic_stack_space): Likewise.
3258 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
3259 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
3261 (expand_goto): When doing a nonlocal goto, find corresponding handler
3262 slot for it. Don't put the label address in the static chain register.
3263 (expand_end_bindings): Break out nonlocal goto handling code into
3264 three new functions.
3265 (expand_nl_handler_label, expand_nl_goto_receiver,
3266 expand_nl_goto_receivers): New static functions, broken out of
3267 expand_end_bindings and adapted to create one handler per nonlocal
3269 * function.c (delete_handlers): Delete insn if it references any of
3270 the nonlocal goto handler slots.
3271 * i960.md (nonlocal_goto): Comment out code that modifies
3273 * sparc.md (nonlocal_goto): Likewise.
3274 (goto_handler_and_restore_v9): Comment out.
3275 (goto_handler_and_restore_v9_sp64): Comment out.
3277 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3279 * expr.c (STACK_BYTES): Delete unused macro.
3280 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
3281 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3282 (expand_call): Likewise.
3283 (emit_library_call): Likewise.
3284 (emit_library_call_value): Likewise.
3285 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
3286 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3287 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
3288 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3289 (allocate_dynamic_stack_space): Likewise.
3290 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
3291 (STACK_BOUNDARY): Update description to reflect the new situation.
3293 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3295 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3296 return with a filled delay slot is followed by a return with an
3297 unfilled delay slot, delete the first return and reemit the insn
3298 that was previously in its delay slot.
3300 * i860.c (single_insn_src_p): Add missing parens.
3301 * ginclude/math-3300.h: Likewise.
3303 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3305 * regclass.c (init_reg_sets_1): Add prototype.
3306 (init_reg_modes): Likewise.
3308 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3310 * c-common.c: Change warning messages to say `comparison is
3311 always true' or `comparison is always false' instead of the
3312 confusing `is always 0', `is always 1'.
3314 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3316 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3317 break instead of return (which loses closing '>').
3319 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3321 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3322 standard 387 constants.
3324 * i386.md (jump): Explicitly set "memory" attribute.
3325 (indirect_jump, prologue_set_stack_ptr): Likewise.
3326 (prologue_get_pc_and_set_got, pop): Likewise.
3327 (allocate_stack_worder, blockage, return_internal): Likewise.
3328 (return_pop_internal, nop): Likewise.
3329 (epilogue_set_stack_ptr, leave): Likewise.
3331 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3333 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3335 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3337 * reload1.c (reload_reg_free_for_value_p):
3338 Early auto_inc reloads don't conflict with outputs.
3340 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3343 Instead call AC_HEADER_SYS_WAIT.
3345 * collect2.c: Don't provide defaults for sys/wait.h macros.
3347 * protoize.c: Likewise. Also, don't include sys/wait.h.
3349 * system.h: Include sys/wait.h and provide macro defaults.
3351 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3353 * Makefile.in (mandir): Set to @mandir@.
3354 (man1dir): New variable to hold the former value of $(mandir).
3355 Replace all uses of $(mandir) by $(man1dir).
3357 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3359 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3360 a new one before passing it to force_const_mem.
3362 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3363 find_reloads_address call.
3365 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3367 * expr.c (store_expr): Don't generate load-store pair
3368 if TEMP is identical (according to ==) with TARGET.
3370 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3372 * reload1.c (reload_reg_free_for_value_p): When considered reload
3373 has an output, matching inputs are not sufficient to avoid conflict.
3375 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3377 * hash.h (hash_table_key): New type.
3378 (hash_entry): Change `string' field to generic `key'.
3379 (hash_table): Add `comp' and `hash' functions.
3380 (hash_table_init): Take them as input.
3381 (hash_table_init_n): Likewise.
3382 (hash_lookup): Modify for generic keys.
3383 (hash_newfunc): Likewise.
3384 (hash_traverse): Likewise.
3385 (string_hash): New function.
3386 (string_compare): Likewise.
3387 (string_copy): Likewise.
3388 * hash.c (hash_table_init_n): Modify for generic keys.
3389 (hash_table_init): Likewise.
3390 (hash_lookup): Likewise.
3391 (hash_newfunc): Likewise.
3392 (hash_traverse): Likewise.
3393 (string_hash): Split out from hash_lookup.
3394 (string_compare): New function.
3395 (string_copy): Split out from hash_lookup.
3396 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3398 (symbol_hash_lookup): Likewise.
3399 (file_hash_newfunc): Likewise.
3400 (file_hash_lookup): Likewise.
3401 (demangled_hash_newfunc): Likewise.
3402 (demangled_hash_lookup): Likewise.
3403 (tlink_int): Likewise.
3404 (read_repo_file): Likewise.
3405 (recompile_files): Likewise.
3406 (demangle_new_symbols): Likewise.
3407 (scan_linker_output): Likewise.
3409 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3411 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3413 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3415 * rs6000.c (output_mi_thunk): Improve test for local branch.
3417 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3419 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3421 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3423 * reload1.c (reload_reg_free_before_p): Delete.
3424 Changed all callers to use reload_reg_free_for_value_p instead.
3425 (reload_reg_free_for_value_p): Handle more reload types.
3426 A RELOAD_FOR_INPUT doesn't conflict with its
3427 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3428 Add special case for OUT == const0_rtx.
3429 Added ignore_address_reloads argument. Changed all callers.
3431 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3433 * toplev.c (compile_file): Don't pedwarn about undefined static
3434 functions just because we passed -Wunused.
3436 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3438 * function.c (purge_addressof_1): Unshare rtl created by
3441 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3443 * regmove.c (regmove_optimize): Don't do anything but
3444 optimize_reg_copy[123] when flag_regmove is not set.
3446 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3448 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3449 value in paradoxical SImode result, rather than truncating midpoint.
3451 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3453 * alpha.c (reg_not_elim_operand): New.
3454 * alpha.h (PREDICATE_CODES): Add it.
3455 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3456 for the multiplicand.
3458 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3460 * rs6000.md (movsf): Remove explicit secondary-reload-like
3461 functionality. Only truncate SFmode store if in FPR.
3462 (movsf splitters): Combine const_double splitters.
3463 (movsf_hardfloat): Add GPR support.
3465 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3467 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3468 deprecate -mlive-g0 and -mbroken-saverestore.
3469 * t-splet (MULTILIB_OPTIONS): Likewise.
3471 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3472 in a leaf function. Clarify total_size/extra_size relationship.
3474 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3476 * i386/cygwin32.asm: Delete.
3477 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3478 * i386/cygwin32.h: Delete.
3479 * i386/cygwin.h: New file, renamed from cygwin32.h.
3480 * i386/t-cygwin32: Delete.
3481 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3482 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3483 * i386/x-cygwin32: Delete.
3484 * i386/x-cygwin: New file, renamed from x-cygwin32.
3485 * i386/xm-cygwin32: Delete.
3486 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3487 renamed cygwin_ funcs for path translations.
3488 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3489 * i386/winnt.c: Remove "32" from comment about cygwin.
3490 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3491 * rs6000/cygwin32.h: Delete.
3492 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3493 -D__CYGWIN__ to CPP_PREDEFINES.
3494 * rs6000/x-cygwin32: Delete.
3495 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3496 * rs6000/xm-cygwin32: Delete.
3497 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3499 * configure.in: Check for cygwin* instead of cygwin32. Account
3500 for the rename of cygwin-related config files to lose the "32"s.
3501 * configure: Regenerate.
3503 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3504 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3506 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3508 * Makefile.in (JAVAGC): New macro.
3509 * configure: Rebuilt.
3510 * configure.in: Recognize --enable-java-gc argument. Subst
3513 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3515 Handle equivalences that have been obscured by gcse:
3517 * reload1.c (reload): Handle equivalences set up in multiple places.
3518 * local-alloc.c (reg_equiv_init_insns): New variable.
3519 (no_equiv): New function.
3520 (update_equiv_regs): Handle equivalences set up in multiple places.
3521 Don't ignore an insn just because its destination is likely to be
3524 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3526 * except.c (expand_eh_return): Readd force_operand call lost in
3529 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3531 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3533 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3535 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3537 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3539 * regmove.c (regmove_optimize): Fix error in last change.
3541 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3543 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3544 offset in the .mask pseudo to compensate for frame pointer adjustments.
3545 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3546 word swap arguments moved to/from FP registers.
3547 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3549 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3551 * version.c: Bump for snapshot.
3553 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3555 * version.c: Bump for snapshot.
3557 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3559 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3560 times, then it can not be completely replaced.
3562 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3564 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3566 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3568 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3569 (to distinguish it from the macro wrapping ansidecl.h.)
3570 Include libiberty's ansidecl.h. Remove all redundant definitions.
3571 Define the PROTO() style macros in terms of the PARAMS() ones.
3574 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3575 __STDC__, when deciding whether to use ANSI variable args.
3576 (emit_library_call_value): Likewise.
3578 * cccp.c (error): Likewise.
3579 (warning): Likewise.
3580 (error_with_line): Likewise.
3581 (warning_with_line): Likewise.
3582 (pedwarn): Likewise.
3583 (pedwarn_with_line): Likewise.
3584 (pedwarn_with_file_and_line): Likewise.
3587 * cexp.y (error): Likewise.
3588 (pedwarn): Likewise.
3589 (warning): Likewise.
3591 * collect2.c (fatal_perror): Likewise.
3595 * combine.c (gen_rtx_combine): Likewise.
3597 * cpperror.c (cpp_message): Likewise.
3598 (cpp_fatal): Likewise.
3600 * cpplib.c (cpp_error): Likewise.
3601 (cpp_warning): Likewise.
3602 (cpp_pedwarn): Likewise.
3603 (cpp_error_with_line): Likewise.
3604 (cpp_warning_with_line): Likewise.
3605 (cpp_pedwarn_with_line): Likewise.
3606 (cpp_pedwarn_with_file_and_line): Likewise.
3608 * cpplib.h: Don't define PARAMS() macro.
3610 * demangle.h: Likewise.
3612 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3613 when deciding whether to use ANSI variable args.
3615 * emit-rtl.c (gen_rtx): Likewise.
3616 (gen_rtvec): Likewise.
3618 * final.c (asm_fprintf): Likewise.
3620 * fix-header.c (cpp_message): Likewise.
3622 (cpp_fatal): Likewise.
3624 * gcc.c (concat): Likewise.
3628 * genattr.c (fatal): Likewise.
3630 * genattrtab.c (attr_rtx): Likewise.
3631 (attr_printf): Likewise.
3634 * gencodes.c (fatal): Likewise.
3636 * genconfig.c (fatal): Likewise.
3638 * genemit.c (fatal): Likewise.
3640 * genextract.c (fatal): Likewise.
3642 * genflags.c (fatal): Likewise.
3644 * genopinit.c (fatal): Likewise.
3646 * genoutput.c (fatal): Likewise.
3649 * genpeep.c (fatal): Likewise.
3651 * genrecog.c (fatal): Likewise.
3653 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3654 deciding whether to declare `tree_node' and `rtx_def'.
3656 * hash.h: Don't define stuff we get from gansidecl.h.
3658 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3659 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3660 whether to use ANSI variable args.
3663 * prefix.c (concat): Likewise.
3667 * system.h: Likewise.
3669 * toplev.c (error_with_file_and_line): Likewise.
3670 (error_with_decl): Likewise.
3671 (error_for_asm): Likewise.
3674 (warning_with_file_and_line): Likewise.
3675 (warning_with_decl): Likewise.
3676 (warning_for_asm): Likewise.
3677 (warning): Likewise.
3678 (pedwarn): Likewise.
3679 (pedwarn_with_decl): Likewise.
3680 (pedwarn_with_file_and_line): Likewise.
3682 (really_sorry): Likewise.
3684 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3685 whether to declare `tree_node' and `rtx_def'.
3687 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3688 deciding whether to use ANSI variable args.
3689 (build_nt): Likewise.
3690 (build_parse_node): Likewise.
3692 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3694 * version.c: Bump for snapshot.
3696 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3698 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3700 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3702 * collect2.c (main, case 'b'): Use else if.
3704 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3706 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3707 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3708 before the config/ directory headers.
3709 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3710 gansidecl.h in the list of dependencies.
3712 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3713 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3714 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3715 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3716 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3717 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3720 * cccp.c: Don't include gansidecl.h.
3722 * collect2.c: Likewise.
3723 * config/c4x/c4x.c: Likewise.
3724 * config/v850/v850.h: Likewise.
3725 * cppalloc.c: Likewise.
3726 * cpperror.c: Likewise.
3727 * cppexp.c: Likewise.
3728 * cppfiles.c: Likewise.
3729 * cpphash.c: Likewise.
3730 * cpplib.c: Likewise.
3731 * cppmain.c: Likewise.
3732 * cppulp.c: Likewise.
3733 * demangle.h: Likewise.
3734 * doprint.c: Likewise.
3735 * dyn-string.c: Likewise.
3736 * eh-common.h: Likewise.
3737 * fix-header.c: Likewise.
3738 * frame.c: Likewise.
3741 * gen-protos.c: Likewise.
3742 * gencheck.c: Likewise.
3743 * halfpic.h: Likewise.
3745 * machmode.h: Likewise.
3746 * mbchar.c: Likewise.
3747 * prefix.c: Likewise.
3748 * protoize.c: Likewise.
3749 * recog.h: Likewise.
3751 * scan-decls.c: Likewise.
3753 * varray.h: Likewise.
3755 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3757 * i386.md (call_value_pop): If we're not popping anything,
3758 defer to call_value.
3759 (call_pop): Likewise defer to call.
3761 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3763 * function.c (purge_addressof): Clear purge_addressof_replacements
3764 only after processing the whole function.
3766 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3768 * reload1.c (reload): If we can not perform a particular elimination
3769 when we thought we could earlier, then we must always iterate through
3770 the loop at least one more time.
3772 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3774 * alpha.c (add_operand): Simplify the CONST_INT match.
3775 (sext_add_operand): Correct typo in comparison by using
3776 CONST_OK_FOR_LETTER_P.
3777 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3778 constant alternatives to be generated.
3779 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3780 small constants, since the hw instructions do.
3782 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3784 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3785 previous insn to store directly into our reload register, make sure
3786 that if the source of the previous insn is a reload register, its
3787 spill_reg_store and spill_reg_stored_to values are cleared.
3789 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3791 * rs6000.md (floatunssidf2_internal splitter): Use base register
3792 operand, not hard-coded SP.
3794 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3796 * jump.c (calculate_can_reach_end): Fix thinko.
3798 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3800 * reorg.c (fill_simple_delay_slots): Fix typo.
3802 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3804 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3806 * i386.md (extendsidi2): Use # in the output template.
3807 (extendsidi splitters): New splitters.
3809 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3811 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3813 * configure: Regenerate.
3815 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3817 * jump.c (init_label_info, delete_barrier_successors,
3818 mark_all_labels, delete_unreferenced_labels,
3819 delete_noop_moves, calculate_can_reach_end): New functions broken
3820 out of jump_optimize.
3821 (jump_optimize): Use them.
3823 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3825 * except.c (expand_fixup_region_end): Make sure outer context labels
3826 are not issued in an inner context during cleanups.
3828 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3830 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3833 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3835 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3836 to expose this midpoint to CSE.
3838 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3840 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3842 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3844 * configure.in: Bring over gcc2 change of Nov 19 1997.
3846 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3848 * toplev.c (output_lang_identify): Make definition dependent on
3849 ASM_IDENTIFY_LANGUAGE.
3851 * print-rtl.c (spaces): Make static.
3853 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3855 * extend.texi: Clarify proper uses for register clobbers in asms.
3857 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3859 * recog.h (enum op_type): Define.
3860 (constrain_operands): Adjust prototype.
3861 (recog_op_type): Declare new variable.
3862 * recog.c (recog_op_type): New variable.
3863 (insn_invalid_p): Allow modifying an asm statement after reload.
3864 (extract_insn): Set up recog_op_type.
3865 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3866 Don't compute operand types, use recog_op_type.
3867 Use the information computed by extract_insn instead of the previous
3868 method of finding it by insn code number.
3869 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3870 * reorg.c (fill_slots_from_thread): Likewise.
3871 * reload1.c (reload_as_needed): Likewise.
3872 (gen_reload): Likewise.
3873 (inc_for_reload): Likewise.
3874 (reload_cse_simplify_operands): Likewise.
3875 Use the information computed by extract_insn instead of the previous
3876 method of finding it by insn code number.
3877 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3879 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3880 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3881 Use the information computed by extract_insn instead of the previous
3882 method of finding it by insn code number.
3883 * regmove.c (find_matches): Likewise. Change meaning of the return
3884 value to be nonzero if the optimization can be performed, zero if
3885 not. All callers changed.
3886 Shorten some variable names to fix formatting problems.
3887 (regmove_optimize): Shorten some variable names to fix formatting
3889 Use the information computed by extract_insn instead of the previous
3890 method of finding it by insn code number.
3891 * regclass.c (scan_one_insn): Likewise.
3892 (record_reg_classes): Don't compute operand types, use recog_op_type.
3893 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3894 recog_constraints instead.
3896 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3898 * rtl.h (flow2_completed): Declare.
3899 * flow.c (flow2_completed): Definition.
3900 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3903 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3905 * Makefile.in (libcpp.a): Ranlib libcpp.a
3907 * cppulp.c (user_label_prefix): Initialize.
3909 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3911 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3912 at a RETURN if current_function_sp_is_unchanging is set.
3914 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3916 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3918 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3920 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3921 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3922 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3923 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3924 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3925 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3927 (LIB_SPEC): Handle -mno-cyginw option.
3928 (LINK_SPEC): Handle -mdll.
3930 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3932 * reload.c (find_reloads): Fix test for usage by other reload
3933 to handle secondary reloads properly.
3935 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3937 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3938 intermediate structure which has exactly the members provided by
3939 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3940 static intermediate structure.
3942 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3943 from the intermediate structure. Do the same analogous fix in
3944 the case where ELIMINABLE_REGS is not defined.
3946 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3948 * pa.h (SELECT_SECTION): Fix thinko.
3950 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3952 * dwarf2out.c (output_call_frame_info): Comments on last change.
3954 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3956 * arm.c (add_constant): When taking the address of an item in the
3957 pool, get the mode of the item addressed.
3959 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3960 contain a SET or a PARALLEL, don't consider it for conditional
3963 Restore ABI compatibility for NetBSD.
3964 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3966 (RETURN_IN_MEMORY): Likewise.
3968 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3970 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3971 (m32r_output_block_move): Rewrite bytes < 4 handling.
3973 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3975 * configure.in: Call AC_FUNC_VFORK.
3977 * collect2.c: Define VFORK_STRING as a printable string for
3978 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3979 defined, include vfork.h. If VMS is defined, define vfork()
3980 appropriately. Remove vfork check on USG, we're using autoconf.
3981 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3982 checking locally what string to pass.
3983 (scan_prog_file): Likewise.
3984 (scan_libraries): Likewise.
3986 * gcc.c: Remove vfork check on USG, we're using autoconf.
3987 Besides, no calls to vfork/fork occur in this file.
3989 * protoize.c: Likewise.
3991 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3993 * configure.in (DEFAULT_LINKER): renamed from LD
3994 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3995 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3996 * configure: rebuilt
3998 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4000 * BUGS: fix the regexp for `more' to find the appropriate node.
4001 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
4003 * BUGS: added link to the WWW FAQ
4005 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
4007 * version.c: Bump for snapshot.
4009 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
4011 * From Christian Gafton:
4012 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
4013 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
4014 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
4016 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
4018 * c-common.c (c_get_alias_set): Allow all type-punning through
4019 unions. Don't get confused about the type of a bit-field, despite
4020 the antics of build_modify_expr.
4022 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
4024 * fixinc.sco: Paramaterize #include_next values.
4025 * fixinc/fixinc.sco: Likewise.
4027 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
4029 * toplev.c (rest_of_compilation): No longer set reload_completed.
4030 * reload1.c (reload): Set it here. Perform instruction splitting
4031 after reload has completed if we will be running the scheduler
4034 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
4036 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
4037 EH region if exceptions are enabled and we're performing cross
4039 (find_cross_jump): Exit loop if the insns are in different EH regions.
4041 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
4043 * dwarf2out.c (output_call_frame_info): Use
4044 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
4046 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4049 * c-common.c (check_format_info): Don't check for the 'x'
4050 format character twice, instead check for 'x' and 'X'
4052 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
4054 * configure.in (assembler features): Also make gas is configured if
4055 we find it in the souce tree.
4057 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
4059 * i386.c (i386_comp_type_attributes): Compare whether the
4060 attributes are defined, not their tree nodes.
4062 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4064 * configure.in (gxx_include_dir): bitten by autoconf quoting
4066 * configure: rebuilt
4068 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4070 * configure.in: Ignore non-absolute value in $AS.
4072 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
4074 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
4076 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
4078 * configure.in (msdosdjgpp): Set exeext and target_alias.
4080 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4082 * flow.c (XNMALLOC): New macro.
4083 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
4085 (add_edge, add_edge_to_label): New static functions.
4086 (free_bb_memory): New function.
4087 (flow_delete_insn): Delete function.
4088 (basic_block_drops_in): Delete variable.
4089 (find_basic_blocks): Allocate and initialize basic_block_head,
4090 basic_block_succ. Don't allocate basic_block_drops_in.
4091 Call free_bb_memory at the beginning.
4092 (find_basic_blocks_1): Don't do multiple passes.
4093 Delete code to compute basic_block_drops_in.
4094 After calling make_edges, mark blocks reached by current block live.
4095 Update test for unreachable live blocks.
4096 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
4098 Simplify to call add_edge_to_label when a LABEL_REF is found.
4099 (make_edges): Simplify to call add_edge_to_label instead of
4100 mark_label_ref most of the time.
4101 Compute here whether control drops into the next block.
4102 (delete_unreachable_blocks): Return void. All callers changed.
4103 Delete unreachable blocks in reverse order.
4104 After deleting all unreachable blocks, renumber the remaining ones
4105 and update n_basic_blocks.
4106 (delete_block): Speed up deletion a bit.
4107 Don't set basic_block_drops_in for deleted blocks.
4108 (free_basic_block_vars): Don't free basic_block_drops_in.
4109 (life_analysis_1): Update to use new edge representation.
4110 (dump_flow_info): Delete code to print basic block info; call
4111 dump_bb_data instead.
4112 (compute_preds_succs): Delete code to recompute basic_block_drops_in
4113 and uid_block_number.
4114 Simply copy the previously computed cfg.
4115 (dump_bb_data): New arg LIVE_INFO. All callers changed.
4116 Print register lifetime information if LIVE_INFO is nonzero.
4117 * basic-block.h (dump_bb_data): Adjust prototype.
4118 * gcse.c (gcse_main): Update call to dump_bb_data.
4119 * rtl.h (free_bb_memory): Declare.
4120 * toplev.c (rest_of_compilation): Call free_bb_memory.
4122 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4123 (update_eliminable_offsets): Don't compute it.
4124 (set_initial_elim_offsets): Don't initialize it.
4125 Break out some code into set_initial_label_offsets so the rest of
4126 this function can be called from reload_as_needed.
4127 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
4128 ELIMINABLE_REGS isn't.
4129 (set_initial_label_offsets): New function, broken out of
4130 set_initial_elim_offsets.
4131 (set_offsets_for_label): New function, broken out of set_label_offsets
4132 and reload_as_needed.
4133 (reload): Call the two new functions.
4134 (reload_as_needed): Call set_initial_elim_offsets instead of
4135 duplicating the code. Likewise for set_offsets_for_label.
4137 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
4138 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
4139 any hard reg, reg_reloaded_dead contains valid data.
4141 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
4143 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
4144 "stdcall" and "cdecl" attributes.
4146 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
4148 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
4149 handle deleted no-op moves of hard registers.
4150 * haifa-sched.c (update_flow_info): Likewise.
4152 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
4154 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
4155 of the sequences to reload the HILO register which do not actually
4158 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
4160 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
4162 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4164 * except.c (emit_eh_context): Make the EH context register stay alive
4165 at -O0 so stupid.c doesn't get confused.
4167 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4169 * emit-rtl.c (try_split): Do not try to split a BARRIER.
4171 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
4172 Jeffrey A Law (law@cygnus.com)
4174 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
4175 (zero_extendsidi2): Use # in output template and handle completely by
4177 (zero_extend splitters): New define_splits.
4178 (ashiftrt_32): New pattern.
4180 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4182 * tree.c (append_random_chars): New fn.
4183 (get_file_function_name_long): Use it.
4185 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
4187 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4188 (LIBCPP_OBJS): New. Add cppulp.o.
4189 (cppmain, fix-header): Depend on and use libcpp.a.
4190 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
4191 of the individual object files.
4192 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
4195 * cccp.c (user_label_prefix): New.
4196 (main): Set it off -f*leading-underscore.
4197 (special_symbol): Use it.
4198 * cpplib.c (special_symbol): Likewise.
4199 (cpp_handle_option): Handle -f*leading-underscore.
4200 * cppulp.c: New file.
4202 * output.h (user_label_prefix): Declare it.
4203 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
4204 * toplev.c (f_options, main): Handle -f*leading-underscore.
4206 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
4207 referencing USER_LABEL_PREFIX directly.
4208 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
4209 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
4210 * final.c (asm_fprintf): Use user_label_prefix instead.
4211 * arm/thumb.c (thumb_print_operand): Likewise.
4213 * gcc.c (default_compilers): Pass -f*leading-underscore on to
4214 cpp wherever appropriate.
4216 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
4218 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
4219 specific compiler switches.
4221 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
4223 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
4226 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4228 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
4229 structure which has exactly the members provided by EXTRA_SPECS.
4230 Xmalloc() the real `extra_specs', and initialize it from this
4231 intermediate structure.
4233 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
4235 * mips.h (EXTRA_SPECS): Likewise.
4237 * sparc.h (EXTRA_SPECS): Likewise.
4239 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4241 * function.c (purge_addressof_1): Instead of aborting when a
4242 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
4243 work just put the ADDRESSOF on stack. Otherwise remember all such
4244 successfull replacements, so that exactly the same replacements
4245 can be made on the REG_NOTEs. Remove the special case for CALL
4247 (purge_addressof_replacements): New variable.
4248 (purge_addressof): Clear it at end.
4250 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4252 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
4253 (lang_init): Call check_newline always.
4254 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
4255 cpp_start_read, set yy_cur and yy_lim to read from
4256 parse_in.token_buffer, so that we'll see the first #line
4258 * cpplib.c (cpp_start_read): finclude the main input file
4259 before processing -include/-imacros. Process -imacros and
4260 -include separately, and handle -include by stacking a
4261 buffer for the file in question as if it'd been #included.
4262 * toplev.c (documented_lang_options) Recognize -H when
4265 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4267 * cpplib.c: Merge do_once into do_pragma. Break file handling
4268 code out of do_include.
4269 Move append_include_chain, deps_output,
4270 file_cleanup, redundant_include_p, import_hash,
4271 lookup_import, add_import, read_filename_string, read_name_map,
4272 open_include_file, finclude, safe_read to cppfiles.c.
4273 Move prototypes for deps_output, append_include_chain,
4274 finclude to cpplib.h. Move definition of struct
4275 file_name_list there also.
4277 * cppfiles.c: New file. Contains all the above functions
4278 broken out of cpplib.c; also hack_vms_include_specification
4279 from cccp.c and find_include_file, a new function broken out of
4282 * Makefile.in (cppmain): Depend on cppfiles.o.
4283 (fix-header): Likewise.
4284 (cppfiles.o): New target.
4285 * configure.in (--enable-c-cpplib): Add cppfiles.o to
4286 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
4288 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
4290 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
4291 if pending_types is non-zero.
4292 (dwarfout_finish): Verify pending_types is zero before finishing.
4294 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4296 * expr.c (convert_move): Use shifts to perform the move if a
4297 suitable extend pattern cannot be found. Code written by
4298 Richard Henderson <rth@cygnus.com>.
4300 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4302 * regclass.c (renumber, regno_allocated): New static variables, moved
4303 out of allocate_reg_info.
4304 (allocate_reg_info): Move these two variables outside the function.
4305 Move code to free memory into new function free_reg_info.
4306 (free_reg_info): New function, broken out of allocate_reg_info.
4307 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4308 * rtl.h (allocate_reg_info): Don't declare.
4309 (free_reg_info): Declare.
4311 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4313 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4315 * toplev.c (compile_file): Temporarily revert last change.
4317 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4319 * c-typeck.c (convert_for_assignment): Parenthesize.
4321 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4323 * reload1.c (delete_output_reload): Avoid ambigous else.
4325 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4327 * toplev.c (compile_file): Call allocate_reg_info to free register
4329 * rtl.h (allocate_reg_info): Declare.
4331 * PROJECTS: Remove entry for local spilling.
4333 * final.c (cleanup_subreg_operands): New function.
4334 (final_scan_insn): Use it.
4335 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4337 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4338 operands when reload has finished.
4339 * reload.h (cleanup_subreg_operands): Declare..
4340 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4341 reload. Handled in reload itself.
4343 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4345 * reload1.c (verify_initial_offsets): New function.
4346 (reload): Call it after reload_as_needed. Also verify that the frame
4347 size stays constant during reload_as_needed.
4348 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4350 * reload.h (struct insn_chain): Add need_operand_change element.
4351 * reload1.c (new_insn_chain): Clear it.
4352 (calculate_needs_all_insns): Set it; don't overload need_reload.
4353 (reload_as_needed): Use it.
4355 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4356 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4357 and reload_address_index_reg_class.
4358 (find_reloads_address_1): Likewise.
4359 * reload.h (reload_address_base_reg_class,
4360 reload_address_index_reg_class): Don't declare.
4361 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4362 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4363 (used_spill_regs): Now static.
4364 (reload_address_base_reg_class, reload_address_index_reg_class,
4365 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4366 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4367 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4370 (init_reload): Delete code to compute base/index reg classes.
4371 (reload): Delete variable J.
4372 Delete code to manage basic_block_needs.
4373 Don't compute regs_explicitly_used.
4374 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4375 pseudo_previous_regs.
4376 Initialize bad_spill_regs_global.
4377 Don't call order_regs_for_reload here.
4378 Don't initialize spill_reg_order and n_spills.
4379 Don't forbid explicitly used regs to be used for spill regs.
4380 Change main loop to infinite loop, with explicit break statements.
4381 Make SOMETHING_CHANGED variable local to that loop.
4382 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4383 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4384 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4386 Don't call dump_needs.
4387 Delete code to reset potential_reload_regs.
4388 Delete code to terminate loop conditional on the global needs variables
4389 showing no further needs.
4390 (calculate_needs_all_insns): Return void. All callers changed.
4391 Initialize somehing_needs_elimination here, not in reload.
4392 Delete avoid_return_reg kludge.
4393 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4394 All callers changed.
4395 Initialize the group_mode and group_size elements of the arg CHAIN.
4396 Delete code to manage basic_block_needs.
4397 Operate on elements of CHAIN instead of global variables.
4398 Delete avoid_return_reg kludge.
4399 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4400 All callers changed.
4401 Operate on elements of CHAIN instead of global variables.
4402 Delete special SMALL_REGISTER_CLASSES code.
4403 Delete spill_failure code; now in new_spill_reg.
4404 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4405 All callers changed.
4406 Operate on elements of CHAIN instead of global variables.
4407 (maybe_mark_pseudo_spilled): New static function.
4408 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4409 All callers changed.
4410 Operate on elements of CHAIN instead of global variables.
4411 Call order_regs_for_reload here, not in reload.
4412 Initialize spill_reg_order and n_spills.
4413 Simplify test whether an asm insn is involved.
4414 Delete spill_failure code; now in new_spill_reg.
4415 Call maybe_mark_pseudo_spilled for everything marked as live in
4416 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4418 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4419 compiler from optimizing this function (now unused) away.
4420 Operate on elements of CHAIN instead of global variables.
4421 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4423 Operate on elements of CHAIN instead of global variables.
4424 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4425 take CHAIN arg. All callers changed.
4426 Operate on elements of CHAIN instead of global variables.
4427 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4428 CHAIN, NONGROUP args. Return void. All callers changed.
4429 Verify caller isn't trying to spill a pseudo.
4430 Simplify test for illegal reg, just use bad_spill_regs.
4431 Generate better error messages.
4432 Operate on elements of CHAIN instead of global variables.
4433 Mark spilled register in CHAIN's used_spill_regs element.
4434 Don't call spill_hard_reg.
4435 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4436 Mark spilled hard regs in bad_spill_regs_global.
4437 Mark affected pseudos in spilled_pseudos, but don't spill them.
4438 (ior_hard_reg_set): New static function.
4439 (finish_spills): Return int. All callers changed.
4440 Compute spill_reg_order, n_spills and spill_regs here. Also update
4441 regs_ever_live for regs used as spills.
4442 For every pseudo in spilled_pseudos, spill it and mark the previous
4443 hard reg it had in pseudo_previous_regs. Compute which hard regs
4444 arseudo): New static function.
4445 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4446 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4447 hard registers explicitly used across the current insn into the set.
4448 Compute hard_reg_n_uses taking only pseudos live across this insn
4450 Tweak sorting of potential_reload_regs.
4451 (compare_spill_regs): Delete function.
4452 (reload_as_needed): Don't sort the spill_regs array, it's computed
4453 in proper order in finish_spills.
4454 Delete avoid_return_reg kludge.
4455 Delete code to manage basic_block_needs.
4456 (allocate_reload_reg): Minor speed/readability tweaks.
4457 Operate on elements of CHAIN instead of global variables.
4458 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4459 Delete avoid_return_reg kludge.
4460 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4461 Delete unused label FAIL.
4462 (reload_combine): Replce reload_address_index_reg_class with
4464 Don't use used_spill_regs to determine information about lifetime of
4467 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4469 * toplev.c (display_help): Ignore empty target specific
4470 options, and if -W is also specified on the command line then
4471 display undocumented options.
4473 * config/arm/arm.c: Updated with changes in devo sources.
4474 * config/arm/arm.h: Updated with changes in devo sources.
4475 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4476 * config/arm/lib1thumb.asm: Add ELF support.
4478 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4480 * collect2.c (aix64_flag): New variable.
4481 (main, case 'b'): Parse it.
4482 (GCC_CHECK_HDR): object magic number must match mode.
4483 (scan_prog_file): Only check for shared object if valid header.
4484 Print debugging if header/mode mismatch.
4486 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4488 Added support for arm-elf-linux configuration, submitted by Philip
4489 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4490 code developed by Catherine Moore <clm@cygnus.com>. The following
4493 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4496 * configure: Regenerated.
4498 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4499 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4500 definitions conditional on their not having been already defined.
4502 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4503 and .type directives, and add "(PLT)" qualification to function
4506 * config/arm/linux.h: Deleted. This file is now superceeded by
4507 either linux-elf.h or linux-aout.h.
4509 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4510 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4512 Move definitions from old linux.h file here.
4514 * config/arm/elf.h: New file. Generic ARM/ELF support.
4516 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4518 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4520 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4521 using the 26bit APCS.
4523 * config/arm/unknown-elf.h: New file. Support for OS'es other
4524 than Linux with ELF.
4526 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4529 * config/arm/coff.h: Include aout.h for basic assembler macros.
4530 Add support for -mstructure_size_boundary=<n> command line option.
4532 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4533 command line option. Make macro definitions conditional on their
4534 not having been already defined.
4536 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4537 command line option.
4540 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4542 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4543 has been changed to not include a newline. Use this macro instead.
4544 (output_enumeral_list, const_value_attribute, name_attribute,
4545 comp_dir_attribute, prototyped_attribute, producer_attribute,
4546 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4547 dwarfout_file_scope_decl, generate_new_sfname_entry,
4548 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4549 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4551 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4553 * combine.c (subst): Process the inputs to a parallel asm_operands
4556 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4558 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4560 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4562 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4564 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4566 * version.c: Bump for snapshot.
4568 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4570 * stmt.c (expand_fixup): Set fixup->before_jump to a
4571 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4573 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4575 * Makefile.in (recog.o): Depend on toplev.h.
4576 (insn-emit.o): Depend on recog.h.
4577 (insn-peep.o): Depend on recog.h and insn-config.h.
4579 * combine.c (simplify_set): Remove unused variable `scratches'.
4581 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4582 and `idx' in macro conditional controlling their use.
4584 * genemit.c (main): Make the generated output file include
4585 recog.h. Don't have it declare `insn_operand_constraint', since
4586 we get it from recog.h.
4588 * genpeep.c (main): Make the generated output file include
4589 insn-config.h and recog.h.
4591 * recog.c: Include toplev.h.
4592 (extract_insn): Remove unused variable `p'.
4594 * regclass.c (fix_register): Add missing braces around initializer
4596 (allocate_reg_info): Move variable `i' into the scope where it is
4597 used. Change its type to `size_t'.
4599 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4601 * reload.c (push_reload): When merging reloads, make sure
4602 that reload_in_reg and reload_in are from the same reload in
4605 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4607 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4608 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4610 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4612 * loop.c (loop_has_tablejump): New variable.
4613 (prescan_loop): Scan for it.
4614 (insert_bct): Replace explicit scan with use of it.
4615 * regclass.c (regclass): Restore loop variable j.
4616 (record_reg_classes): Deterine op_types modifiers and initialize
4617 classes[i] before matching constraints. Handle matching
4620 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4622 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4625 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4627 * mips.h (EXTRA_SPECS): Add missing initializers.
4629 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4631 * sparc.h (EXTRA_SPECS): Add missing initializers.
4632 (sparc_defer_case_vector): Provide a prototype.
4634 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4635 comparing it to the result of a pointer subtraction.
4637 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4640 the argument to (unsigned char).
4642 * alpha.h (EXTRA_SPECS): Add missing initializers.
4643 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4646 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4648 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4649 (propagate_block): Delete dead code after reload.
4651 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4652 back Oct 15, 1998 change.
4653 * haifa-sched.c (update_flow_info): Likewise.
4654 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4656 * mn10200.md (truncated shift): Accept constant inputs too.
4658 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4660 * machmode.h (mode_mask_array): No longer const.
4661 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4663 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4665 * frame.c: Somewhat explain `FDE'.
4666 Suggested by Brendan Kehoe
4668 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4670 * expr.c (pending_chain): Move up.
4671 (save_expr_status): Do save pending_chain.
4672 (restore_expr_status): And restore it.
4673 * function.h (struct function): Add pending_chain.
4675 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4677 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4678 did not match the code.
4680 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4682 * regclass.c (regclass): Break out some code into new function
4683 scan_one_insn, and into regclass_init.
4684 (init_cost): New static variable, moved out of regclass.
4685 (regclass_init): Initialize it here, not in .
4686 (scan_one_insn): New static function, broken out of regclass.
4687 * recog.c (apply_change_group): Break out some code into new
4688 function insn_invalid_p.
4689 (insn_invalid_p): New static fn, broken out of apply_change_group.
4691 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4693 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4694 reg_reloaded_contents matches incremented pseudo.
4696 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4698 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4700 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4701 addressing modes with side effects. These are currently
4702 placeholders for the C4x target.
4704 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4706 * loop.c (express_from): Make sure that when generating a PLUS of
4707 a PLUS, any constant expression appears on the outermost PLUS.
4709 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4711 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4712 works if "$(srcdir)" != ".".
4714 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4716 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4717 existing SUBREG if we can, otherwise abort.
4719 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4721 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4722 `restrict' is applied to a non-pointer variable.
4724 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4726 * invoke.texi: Document -flang-isoc9x.
4728 * Makefile.in (OBJS): Add splay-tree.o.
4729 (c-common.o): Depend on rtl.h.
4730 (splay-tree.o): List dependencies and provide build rule.
4732 * rtl.h (record_alias_subset): New function.
4733 * alias.c: Include splay-tree.h.
4734 (alias_set_entry): New type.
4735 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4736 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4737 (mems_in_disjoin_alias_sets_p): New function.
4738 (alias_set_compare): Likewise.
4739 (insert_subset_children): Likewise.
4740 (get_alias_set_entry): Likewise.
4742 * tree.h (TYPE_RESTRICT): New macro.
4743 (TYPE_UNQUALIFIED): New manifest constant.
4744 (TYPE_QUAL_CONST): Likewise
4745 (TYPE_QUAL_VOLATILE): Likewise.
4746 (TYPE_QUAL_RESTRICT): Likewise.
4747 (tree_type): Add restrict_flag. Reduce count of free bits.
4748 (DECL_POINTER_ALIAS_SET): New macro.
4749 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4750 (tree_decl): Add pointer_alias_set.
4751 (build_qualified_type): New function.
4752 (build_type_variant): Define in terms of build_qualified_type.
4753 * tree.c (set_type_quals): New function.
4754 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4755 (build_type_attribute_variant): Use build_qualified_type and
4757 (build_type_variant): Rename, and modify, to become...
4758 (build_qualified_type): New function.
4759 (build_complex_type): Use set_type_quals.
4761 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4762 (C_TYPE_FUNCTION_P): Likewise.
4763 (C_TYPE_INCOMPLETE_P): Likewise.
4764 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4765 (c_apply_type_quals_to_decl): New function.
4766 (c_build_qualified_type): New function.
4767 (c_build_type_variant): Define in terms of c_build_qualified_type.
4768 (flag_isoc9x): Declare.
4769 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4770 (common_type): Change to use TYPE_QUALS.
4771 (comptypes): Likewise.
4772 (convert_for_assignment): Likewise.
4773 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4774 * c-decl.c (flag_isoc9x): Define.
4775 (c_decode_option): Handle -flang-isoc9x.
4776 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4777 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4778 * c-lex.c (init_lex): Deal with restrict.
4779 (init_lex): Don't treat restrict as a reserved word in
4780 -traditional mode, or without -flang-isoc9x.
4781 * c-lex.h (rid): Add RID_RESTRICT.
4782 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4783 equivalent to RID_RESTRICT.
4784 * c-parse.in (TYPE_QUAL): Update comment.
4785 * c-common.c: Include rtl.h.
4786 (c_find_base_decl): New function.
4787 (c_build_type_variant): Rename, and modify, to become ...
4788 (c_build_qualified_type): New function.
4789 (c_apply_type_quals_to_decl): Likewise.
4790 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4791 a particular alias set for the reference.
4792 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4794 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4796 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4797 command line switches.
4799 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4801 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4804 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4806 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4808 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4810 * regclass.c (fix_register): Add error message.
4811 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4814 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * c-decl.c (warn_missing_noreturn): New global variable.
4817 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4818 (finish_function): Implement missing noreturn warning.
4820 * c-tree.h (warn_missing_noreturn): Declare extern.
4822 * invoke.texi: Document new flags.
4824 * toplev.c (documented_lang_options): Add description.
4826 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4828 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4829 loop optimization stable for the C4x.
4830 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4831 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4832 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4834 (c4x_address_conflict): Be more paranoid when packing a volatile
4835 memref in a parallel load/store.
4837 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4839 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4840 repeat_block_filler): Deleted.
4841 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4842 Condition code not set if destination register from 'c' class.
4843 (*subbqi3_carry_clobber): Fix typo.
4845 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4847 * reorg.c (steal_delay_list_from_target) Check for insns that
4848 modify the condition codes and effect the direction of the jump
4851 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4853 * function.c (purge_addressof_1): Replace call to
4854 emit_insns_before() with emit_insn_before().
4856 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4858 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4860 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4862 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4864 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4866 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4867 clobbered across calls.
4869 * loop.c (scan_loop): Be more selective about what invariants are
4870 moved out of a loop.
4872 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4874 * version.c: Bump for snapshot.
4876 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4878 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4879 static eh_context structure.
4881 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4883 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4885 (try_combine): Don't update max_scratch.
4886 * flow.c (max_scratch, num_scratch): Delete variables.
4887 (life_analysis_1): Don't initialize max_scratch.
4888 (propagate_block): Don't update max_scratch.
4889 (mark_set_1): Don't increment num_scratch.
4890 * regs.h (max_scratch): Delete declaration.
4892 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4894 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4895 is nonzero. This is temporary!
4897 * sched.c (update_flow_info): Handle death notes made invalid by
4898 instruction splitting. Partially reverts Oct 15, 1998 patch.
4899 * haifa-sched.c (update_flow_info): Likewise.
4901 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4903 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4904 if it has a nonzero DECL_INITIAL.
4906 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4908 * Makefile.in (flow.o): Depend on recog.h.
4910 * cpplib.h (directive_table): Add missing initializiers.
4911 (finclude): Change type of variable `bsize' to size_t.
4913 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4915 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4917 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4918 `int' when comparing against one.
4919 (cpp_file_line_for_message): Mark parameter `pfile' with
4921 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4923 * flow.c: Include recog.h.
4924 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4926 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4927 `f' with ATTRIBUTE_UNUSED.
4928 (reposition_prologue_and_epilogue_notes): Likewise.
4930 * genopinit.c (gen_insn): Cast argument of ctype functions to
4933 * haifa-sched.c: Include recog.h.
4934 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4935 comparing against one.
4937 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4939 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4941 (parse_ent): Likewise.
4942 (parse_input): Likewise.
4944 * optabs.c (init_libfuncs): Likewise.
4946 * protoize.c (find_rightmost_formals_list): Likewise.
4948 * recog.h (const_double_operand): Fix typo in prototype.
4950 * tlink.c (scan_linker_output): Cast the argument of ctype
4951 function to `unsigned char'.
4953 * toplev.c (check_lang_option): Cast the result of `strlen' to
4954 `int' when comparing against one.
4956 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4958 * gcse.c (dump_cuid_table): Correct typo.
4960 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4962 * toplev.c (display_help): Prepend '-m' to target specific
4964 (check_lang_option): Ignore text after end of first word of a
4965 language specific option.
4967 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4969 * reload1.c (reg_used_by_pseudo): New static variable.
4970 (choose_reload_regs): Initialize it.
4971 Use it instead of testing spill_reg_order to determine whether a
4972 pseudo is live in a hard register across the current insn.
4973 Fix a typo in a reference to reload_reg_rtx.
4975 * flow.c (propagate_block): Replace code that computes and uses
4976 regs_sometimes_live with simpler code that just walks the set of
4977 currently live registers.
4979 * Makefile.in (insn-extract.o): Fix dependencies.
4980 * genextract.c (main): Generate includes for insn-config.h and
4982 Delete generation of declarations which are now in recog.h.
4983 * genrecog.c (main): Delete generation of definitions which are
4985 * local-alloc.c (block_alloc): Use extract_insn and the variables
4986 it sets up instead of looking up values by insn_code.
4987 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4988 recog_dup_num): Define here instead of generating the definition in
4990 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4991 recog_operand_mode, recog_constraints, recog_operand_address_p):
4993 (extract_insn): New function.
4994 * recog.h (extract_insn): Declare function.
4995 (which_alternative, recog_n_operands, recog_n_dups,
4996 recog_n_alternatives, recog_operand_mode, recog_constraints,
4997 recog_operand_address_p): Declare variables.
4998 * regclass.c (n_occurrences): New static function.
4999 * reload.c (n_occurrences): Delete function.
5000 (find_reloads): Use extract_insn.
5001 * reload.h (n_occurrences): Delete declaration.
5003 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
5005 * reload1.c (reload_as_needed): Fix test for when to call
5006 update_eliminable_offsets.
5008 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5010 Fix consistency problems with reg_equiv_{mem,address};
5011 Improve reload inheritance;
5013 * reload.c (reload_out_reg): New variable.
5014 (loc_mentioned_in_p, remove_address_replacements): New functions.
5015 (remove_replacements): Deleted.
5016 (push_reload): Set reload_out_reg[i].
5017 When merging, also set reload_{in,out}_reg[i], and remove
5018 duplicate address reloads.
5019 (combine_reloads): Copy reload_out_reg[i].
5020 (find_reloads): Do make_memloc substitution also when
5021 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5023 Include *recog_operand_loc in commutativity operand changes.
5024 Generate optional output reloads.
5025 Delete reference to n_memlocs. Don't set *recog_operand_loc before
5026 processing operands. Call make_memloc in reg_equiv_address code.
5027 Set *recog_operand_loc only after processing operands, and only
5028 if replace is true. Return a value.
5029 When changing address reload types for operands that didn't get
5030 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
5031 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
5032 Don't emit USEs for pseudo SUBREGs when not replacing.
5033 (find_reloads_address): Do make_memloc substitution also when
5034 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5036 (find_reloads_toplev): Likewise.
5037 Call make_memloc in reg_equiv_address code.
5038 (debug_reload_to_stream): Add code to output reload_out_reg.
5039 (make_memloc): Delete local variable i, ifdefed out code, and
5040 references to memlocs and n_memlocs.
5041 (memlocs, n_memlocs): Delete.
5042 (push_secondary_reload): Clear reload_out_reg.
5043 (find_reloads_address_1): Provide memrefloc argument to all calls
5044 to find_reloads_address.
5045 In AUTO_INC code, handle non-directly addressable equivalences properly.
5046 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
5047 (find_reloads): Add return type.
5048 (remove_address_replacements, deallocate_reload_reg): Declare.
5049 * reload1.c (num_not_at_initial_offset): No longer static.
5050 (delete_address_reloads, delete_address_reloads_1): Likewise.
5051 (deallocate_reload_reg): New function.
5052 (spill_reg_stored_to): New array.
5053 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
5054 (eliminate_regs_in_insn): Move assignments of previous_offset and
5055 max_offset fields, and recalculation of num_not_at_initial_offset
5056 into new static function:
5057 (update_eliminable_offsets) .
5058 (reload_as_needed): Call update_eliminable_offsetss after calling
5060 Call forget_old_reloads_1 with contents of reloaded auto_inc
5061 expressions if the actual addressing can't be changed to match the
5063 (choose_reload_regs): For inheritance, replace
5064 reload_reg_free_before_p test with reload_reg_used_at_all test, and
5065 remove stand-alone reload_reg_used_at_all test.
5066 Use reload_out_reg to determine which reload regs have output reloads.
5067 Treat reload_override_in more similar to inherited reloads.
5068 Handle (subreg (reg... for inheritance.
5069 For flag_expensive_optimizations, add an extra pass to remove
5070 unnecessary reloads from known working inheritance.
5071 Delete obsolete code for pseudos replaced with MEMs.
5072 Handle inheritance from auto_inc expressions.
5073 (emit_reload_insns): If reload_in is a MEM, set OLD to
5075 Don't reload directly from oldequiv; if it's a pseudo with a
5076 stack slot, use reload_in[j].
5077 Check that reload_in_reg[j] is a MEM before replacing reload_in
5078 from reg_reloaded_contents.
5079 Include non-spill registers in reload inheritance processing.
5080 Also try to use reload_out_reg to set spill_reg_store /
5081 reg_last_reload_reg.
5082 In code to set new_spill_reg_store, use single_set to find out if
5083 there is a single set.
5084 Add code that allows to delete optional output reloads.
5085 Add code to allow deletion of output reloads that use no spill reg.
5086 At the end, set reload_override_in to oldequiv.
5087 Also call delete_output_reload if reload_out_reg is equal to old
5089 Add code to call delete_output_reload for stores with no matching load.
5090 Set / use spill_reg_stored_to.
5091 Handle case where secondary output reload uses a temporary, but
5092 actual store isn't found.
5093 When looking for a store of a value not loaded in order to call
5094 delete_output_reload, count_occurences should return 0 for no
5095 loads; but discount inherited input reloadill_reg_stored_to.
5096 Do checks for extra uses of REG. Changed all
5098 Use delete_address_reloads.
5099 (reload): Take return value of find_reloads into account.
5100 If a no-op set needs more than one reload, delete it.
5101 (reload_reg_free_before_p): RELOAD_FOR_INPUT
5102 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
5103 for the same operand.
5104 (clear_reload_reg_in_use): Check for other reloads that keep a
5106 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
5107 RELOAD_FOR_OPADDR_ADDR.
5108 Take into account when an address address reload is only needed
5109 for the address reload we are considering.
5110 (count_occurrences): Use rtx_equal_p for MEMs.
5111 (inc_for_reload): Return instruction that stores into RELOADREG.
5112 New argument two, IN, and rtx. Changed all callers.
5113 (calculate_needs_all_insns, reload_as_needed):
5114 Don't clear after_call for a CLOBBER.
5115 Keep track of how many hard registers need to be copied from
5116 after_call, and don't clear after_call before we have seen
5117 that much copies, or we see a different instruction.
5119 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
5121 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
5122 after reload has completed.
5124 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
5126 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
5127 a macro name and the next token with a single blank if that whitespace
5128 is in a macro buffer and the next token is not '('.
5130 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
5132 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
5134 (skip_if_group): Ditto.
5135 (skip_to_end_of_comment): Ditto.
5137 (discard_comments): Ditto.
5138 (change_newlines): Ditto.
5140 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
5142 * c-lex.c (yylex): Fix unaligned access of wchar_t.
5144 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
5146 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
5147 (TARGET_OPTIONS): Add --help documentation.
5149 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
5153 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
5155 * fixinc/* Moved in from ../contrib directory in preparation
5156 for integrating it into the normal build process. In particular,
5157 fixinc/Makefile.in must be config-ed into the build directory
5158 as fixinc/Makefile. Proposed patches to ./Makefile.in and
5159 ./configure.in will be "in the mail" momentarily.
5161 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
5163 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
5164 accidently walk into the free list. Comment how that can happen.
5165 (invalidate): Fix indentation.
5167 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5168 Jeffrey A Law (law@cygnus.com)
5170 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
5171 reload. Never perform rescans of the insn chain after reload.
5172 (propagate_block): Do not delete insn or create new autoinc addressing
5175 * jump.c (jump_optimize): Unconditionally use the code that was
5176 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
5177 * reload1.c (reload): When reloading is finished, delete all
5178 REG_DEAD and REG_UNUSED notes.
5179 (emit_reload_insns): Delete all code that was conditional on
5180 PRESERVE_DEATH_INFO_REGNO_P.
5181 (no_longer_dead_regs): Delete variable.
5182 (reload_cse_delete_death_notes): Delete function.
5183 (reload_cse_no_longer_dead): Delete function.
5184 (reload_cse_regs_1): Delete all code to handle deletion of death
5186 (reload_cse_noop_set_p): Likewise.
5187 (reload_cse_simplify_set): Likewise.
5188 (reload_cse_simplify_operands): Likewise.
5189 (reload_cse_move2add): Likewise.
5190 * reorg.c (used_spill_regs): Delete declaration.
5191 (max_label_num_after_reload): Delete declaration.
5192 (find_dead_or_set_registers): Don't assume that spill regs are
5193 dead at a CODE_LABEL.
5194 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
5196 * sched.c (sched_analyze_insn): Likewise.
5197 (update_flow_info): Likewise.
5198 * haifa-sched.c (sched_analyze_insn): Likewise.
5199 (update_flow_info): Likewise.
5200 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
5201 * toplev.c (max_label_num_after_reload): Delete variable.
5202 (rest_of_compilation): Don't set max_label_num_after_reload.
5203 Call life_analysis after reload_cse_regs if optimizing.
5204 * config/gmicro/gmicro.h: Delete comment referring to
5205 PRESERVE_DEATH_INFO_REGNO_P.
5206 * config/i386/i386.h: Likewise.
5207 * config/m88k/m88k.h: Likewise.
5208 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
5209 * config/sh/sh.h: Likewise.
5211 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
5213 * loop.c (strength_reduce): Restore marking bct_p as
5215 * rs6000.c (optimization_options): Change #ifdef HAIFA to
5216 HAVE_decrement_and_branch_on_count.
5217 (small_data_operand): Remove TARGET_ELF condition for marking
5218 parameters ATTRIBUTE_UNUSED.
5220 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
5222 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
5223 (SELECT_SECTION): Resync with svr4.h.
5225 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
5227 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
5230 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
5232 * c-pragma.c (handle_pragma_token): Test for null tree before
5233 dereferencing TREE_CODE.
5235 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5237 * config/c4x/c4x.c: Convert to use GEN_INT.
5238 (c4x_parallel_process): Rework to handle new repeat loop structure.
5240 * config/c4x/c4x.md: Convert to use GEN_INT.
5241 (rptb_end): Convert to use GE test. Replace uses with clobbers.
5242 (decrement_and_branch_on_count): Likewise.
5244 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
5245 loop.c has the desired functionality.
5246 (rc_reg_operand): New prototype.
5248 * config/c4x/t-c4x: Can now build all front ends.
5250 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
5252 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
5254 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
5256 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
5257 * config/t-rtems: Do not install assert.h -- use newlib's.
5259 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5261 * combine.c (combine_instructions): When finished, call init_recog.
5262 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
5264 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
5266 * toplev.c: If flag_syntax_only, don't open or write assembler file.
5268 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5270 * cppalloc.c (memory_full): Mark function prototype with
5273 * demangle.h (collect_exit): Likewise.
5275 * fix-header.c (v_fatal, fatal): Likewise.
5277 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
5280 * gcov.c (print_usage): Likewise.
5282 * genattr.c (fatal, fancy_abort): Likewise.
5284 * genattrtab.c (fatal, fancy_abort): Likewise.
5286 * gencodes.c (fatal, fancy_abort): Likewise.
5288 * genconfig.c (fatal, fancy_abort): Likewise.
5290 * genemit.c (fatal, fancy_abort): Likewise.
5292 * genextract.c (fatal, fancy_abort): Likewise.
5294 * genflags.c (fatal, fancy_abort): Likewise.
5296 * genopinit.c (fatal, fancy_abort): Likewise.
5298 * genoutput.c (fatal, fancy_abort): Likewise.
5300 * genpeep.c (fatal, fancy_abort): Likewise.
5302 * genrecog.c (fatal, fancy_abort): Likewise.
5304 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5305 __sjpopnthrow, __throw): Likewise.
5307 * objc/objc-act.c (objc_fatal): Likewise.
5309 * protoize.c (usage, aux_info_corrupted,
5310 declare_source_confusing): Likewise.
5312 * rtl.c (dump_and_abort): Likewise.
5314 * rtl.h (sets_cc0_p): Likewise.
5316 * toplev.c (float_signal, pipe_closed): Likewise.
5318 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5320 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5321 when generating the decision tree for the general case.
5323 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5324 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5326 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5328 * Makefile.in (sched.o): Depend on recog.h.
5330 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5331 (unsigned) when comparing against one.
5332 (find_base_value): Likewise.
5333 (record_base_value): Cast variable `regno' to (unsigned) when
5334 comparing against one. Cast the result of REGNO() macro to
5335 (unsigned) when comparing against one.
5336 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5338 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5339 variable where an unsigned index is needed.
5341 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5342 before comparing against one.
5344 * collect2.c: Add prototypes for functions `error', `fatal' and
5345 `fatal_perror'. Make these functions take variable arguments
5346 instead of faking it with a fixed number of args.
5347 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5350 * combine.c (can_combine_p): Mark parameter `pred' with
5352 (find_split_point): Cast variable `src' to (unsigned
5353 HOST_WIDE_INT) when comparing against one.
5354 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5355 (simplify_logical): Likewise.
5356 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5357 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5358 HOST_WIDE_INT) in shift.
5359 (simplify_and_const_int): Cast result of INTVAL() macro to
5360 `unsigned HOST_WIDE_INT' when comparing against one.
5361 (merge_outer_ops): Cast variable const0 to `unsigned
5362 HOST_WIDE_INT' when comparing against the result of
5363 GET_MODE_MASK() macro.
5364 (simplify_comparison): Likewise for variable `c0'. Cast variable
5365 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5366 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5367 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5368 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5369 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5370 comparing against one.
5371 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5373 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5374 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5375 (output_block_move): Cast `sizeof' expression to (int) when
5376 comparing against one.
5377 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5379 (save_restore_insns): Cast `base_offset' to `long' to match format
5380 specifier in fprintf.
5382 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5383 to `enum machine_mode'.
5385 * flow.c (life_analysis_1): Remove unused variable `insn'.
5387 * gcc.c (translate_options): Move variables `j' and `k' into the
5388 scope in which they are used. Change their types to `size_t'.
5389 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5390 (read_specs): Likewise.
5391 (process_command): Cast `sizeof' to (int) when comparing against one.
5392 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5393 (handle_braces): Cast both sides of `==' expression to `long' to
5394 ensure sign matching.
5395 (main): Cast variable `i' to `int' when comparing against one.
5397 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5398 int to size_t. Cast variable `i' to size_t when comparing against
5401 * genattrtab.c (convert_set_attr_alternative): Remove unused
5402 parameter `insn_code'. All callers changed.
5403 (convert_set_attr): Likewise.
5405 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5406 size_t when comparing against one. Likewise for variable `len'.
5408 * global.c (global_alloc): Cast variable `max_regno' to size_t
5409 when comparing against one. Likewise for variable `max_allocno'.
5411 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5413 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5414 `set' with ATTRIBUTE_UNUSED.
5415 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5418 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5419 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5420 (get_condition): Cast variable `const_val' to `unsigned
5421 HOST_WIDE_INT' when comparing against one. Cast unsigned
5422 expression to HOST_WIDE_INT when comparing against one.
5423 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5424 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5425 `unsigned' when comparing against one.
5427 * protoize.c (is_id_char): Change type of parameter `ch' to
5429 (munge_compile_params): Cast argument of ctype macro to (const
5431 (process_aux_info_file): Cast variable `aux_info_size' to int when
5432 comparing against one.
5433 (forward_to_next_token_char): Cast argument of ctype macro to
5434 `const unsigned char'.
5435 (edit_formals_lists): Likewise.
5436 (find_rightmost_formals_list): Likewise.
5437 (add_local_decl): Likewise.
5438 (add_global_decls): Likewise.
5439 (edit_fn_definition): Likewise.
5440 (do_cleaning): Likewise.
5441 (scan_for_missed_items): Likewise.
5442 (edit_file): Cast variable `orig_size' to (int) when comparing
5444 (main): Cast argument of ctype macro to `const unsigned char'.
5446 * recog.c (const_int_operand): Mark parameter `mode' with
5449 * regclass.c (record_reg_classes): Change type of variable `c' to
5450 `unsigned char'. Cast `char' array index to `unsigned char'.
5452 * reload.c (push_secondary_reload): Cast argument to
5453 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5455 * reload1.c (calculate_needs): Cast `char' array index to
5457 (set_label_offsets): Change type of variable `i' to unsigned int.
5458 Cast result of XVECLEN() macro to unsigned when comparing against
5460 (mark_not_eliminable): Change type of variable `i' to unsigned.
5461 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5462 when comparing against one.
5463 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5464 comparing against one.
5465 (choose_reload_regs): Hide unused label `fail'.
5466 (reload_cse_simplify_operands): Cast `char' array index to
5468 (reload_combine_note_store): Mark parameter `set' with
5469 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5471 (reload_cse_move2add): Remove unused variable `src2'.
5473 * sched.c: Include recog.h.
5474 (sched_note_set): Remove unused parameter `b'. All callers
5476 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5477 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5478 when comparing against one.
5480 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5481 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5482 comparing against one.
5484 * unroll.c (precondition_loop_p): Remove unused parameter
5485 `loop_end'. All callers changed.
5487 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5489 * reload1.c (maybe_fix_stack_asms): New static function.
5492 * reload.h (compute_use_by_pseudos): Declare.
5494 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5495 (something_needs_reloads): Delete variable.
5496 (finish_spills): New function.
5497 (compute_use_by_pseudos): New function.
5499 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5500 Use the reload_insn_chain instead of walking the rtl directly.
5502 (reload): Allocate and free spilled_pseudos.
5503 Ensure that all calls of spill_hard_reg are followed by a call to
5505 Use the insns_need_reload list instead of something_needs_reloads
5506 to find out if reload_as_needed must be called.
5507 Clear unused_insn_chains at the end.
5509 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5511 Delete code to keep track of current basic block.
5512 Walk reload_insn_chain instead of the rtl structure. Build the
5513 insns_need_reload chain.
5514 Remember which insns need reloading/elimination by setting the
5515 appropriate fields in struct insn_chain, not by putting modes on the
5518 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5519 arg INSN. All callers changed.
5520 Delete declaration of struct needs.
5521 Don't set something_needs_reloads.
5522 Record insn needs in the CHAIN argument.
5524 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5526 (reload_as_needed): Lose FIRST arg. All callers changed.
5527 Walk the reload_insn_chain instead of the rtx structure.
5528 Delete code to keep track of current basic block.
5529 Rename one of the NEXT variables to OLD_NEXT.
5531 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5533 (choose_reload_regs): Likewise.
5535 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5538 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5539 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5540 (hard_regs_live, hard_regs_need_restore): Delete variables.
5541 (n_regs_saved): Now static.
5542 (referenced_regs, this_insn_sets): New variables.
5544 (setup_save_areas): Restructure the code a bit.
5546 (restore_referenced_regs): Delete function.
5547 (mark_referenced_regs): New function, similar to the old
5548 restore_referenced_regs, but mark registers in referenced_regs.
5550 (clear_reg_live): Delete function.
5551 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5552 Only mark registers in this_insn_sets.
5554 (save_call_clobbered_regs): Rework this function to walk the
5555 reload_insn_chain instead of using the list of instructions directly.
5556 Delete code to keep track of register lives, compute live regs on the
5557 fly from information in the chain.
5558 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5559 then walk the set it computes and call insert_restore as appropriate.
5561 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5563 Restructure the code a bit. Test hard_regs_saved instead of
5564 hard_regs_need_restore.
5565 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5566 args. All callers changed.
5567 Restructure the code a bit. Use TO_SAVE to determine which regs to
5568 save instead of more complicated test.
5569 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5571 Create a new insn_chain structure for the new insn and place it
5574 * rtl.texi: Update documentation to reflect that reload no longer
5575 puts modes on the insns.
5577 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5579 * function.c (purge_addressof_1): Force the first argument of a
5580 CALL insn to memory.
5582 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5584 * rtl.h: Delete duplicate prototypes. Add some missing
5586 * rtlanal.c: (for_each_rtx): Formatting tweak.
5588 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5590 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5591 to be compatible with TI compiler.
5593 * Makefile.in (USER_H): Add va-c4x.h to definition.
5595 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5597 * function.c (purge_addressof_1): Fix typo in inequality: do
5598 bitfield optimization for equal mode sizes.
5599 * expmed.c (store_bit_field): Don't take subregs of subregs in
5600 the movstrict case. Tidy a potential problem in the multi-word case.
5601 (extract_bit_field): Likewise.
5603 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5605 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5607 Compute max_uid_for_flow by calling get_max_uid after the scan.
5608 (find_basic_blocks_1): Don't emit NOPs here.
5610 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5612 * alias.c (base_alias_check): Accept new args for the modes of the
5613 two references. Use them to determine if an AND can overlap. Update
5615 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5616 to determine if an AND can overlap.
5618 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5620 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5621 check. Add comment to document problems with TARGET_SUN_FPA version
5623 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5625 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5627 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5629 * c-common.c (print_char_table): Add missing initializers.
5630 (scan_char_table): Likewise.
5631 (time_char_table): Likewise.
5633 * c-decl.c (c_decode_option): Mark parameter `argc' with
5635 (declare_parm_level): Mark parameter `definition_flag' with
5638 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5639 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5642 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5644 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5646 (expand_call): Cast result of MIN() to (unsigned int) when
5647 comparing against an unsigned value.
5649 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5651 (make_definition): Remove unused parameter `op'. All callers
5653 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5654 comparing against the result of pointer arithmetic.
5656 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5657 when comparing against one.
5659 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5660 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5662 (output_die): Move variable `i' into the scope in which it is
5663 used. Change its type to `unsigned'.
5664 (output_die): Cast the result of `strlen' to (int) when passing it
5665 to ASM_OUTPUT_ASCII().
5666 (output_pubnames): Likewise.
5667 (output_line_info): Likewise.
5669 * emit-rtl.c (global_rtl): Add missing initializers.
5671 * explow.c (promote_mode): Mark parameter `for_call' with
5674 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5675 `unsigned HOST_WIDE_INT' when comparing against one.
5676 (synth_mult): Change type of variable `cost' to int.
5677 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5679 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5680 when comparing against one.
5681 (get_inner_reference): Change variable `alignment' to unsigned.
5682 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5683 int) when comparing against one.
5684 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5686 * fold-const.c (div_and_round_double): Cast BASE to
5687 (HOST_WIDE_INT) when comparing against one.
5689 * gencheck.c: Include gansidecl.h.
5690 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5692 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5693 `tcode' with ATTRIBUTE_UNUSED.
5695 * real.c (edivm): Cast constant value to (unsigned long) in
5696 expression compared against an unsigned value.
5698 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5699 comparing against one.
5700 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5701 when comparing against one.
5703 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5704 (unsigned int) when comparing against one. Likewise for
5706 (smallest_mode_for_size): Likewise.
5707 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5708 (restore_storage_status): Likewise.
5710 * toplev.c (debug_args): Add missing initializer.
5711 (f_options): Spelling correction. Add missing initializers.
5712 (documented_lang_options): Likewise.
5713 (debug_end_source_file): Mark parameter `lineno' with
5716 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5717 `decl' and `type' with ATTRIBUTE_UNUSED.
5719 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5720 when comparing against one.
5721 (assemble_variable): Mark parameter `top_level' with
5723 (assemble_external_libcall): Mark parameter `fun' with
5725 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5728 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5730 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5731 Replace use of r5 with use of r19.
5733 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5735 * config/v850/v850.c (compute_register_save_size): Allow for the
5736 fact that helper functions save all registers, not just those used
5739 Replace constant 31 with macro LINK_POINTER_REGNUM.
5741 * config/v850/v850.md: Use 'indirect_operand' rather than
5742 'memory_operand' for bit test/set/clear patterns.
5744 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5746 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5747 * varasm.c (assemble_start_function et al): Don't call
5748 ASM_GLOBALIZE_LABEL for weak symbols.
5750 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5752 * cse.c (equiv_constant): Check for NULL return from
5753 gen_lowpart_if_possible().
5755 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5757 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5759 * collect2.c (main): Pass -EL/-EB through to the compiler.
5761 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5763 * expr.c (push_block): Handle targets where the stack grows
5764 to higher addresses, but args grow to lower addresses and
5765 ACCUMULATE_OUTGOING_ARGS is not defined.
5767 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5769 * config/v850/v850.c (print_operand): Extend meaning
5770 of 'c' operands to support .vtinherit.
5772 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5774 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5775 Added ATTRIBUTE_UNUSED to unused function arguments.
5776 (rc_reg_operand): New predicate.
5777 (c4x_rptb_insert): New function.
5778 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5779 (c4x_optimization_options): New function.
5781 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5782 (decrement_and_branch_on_count): New pattern.
5783 (rptb_top): Modified pattern to work with BCT optimization.
5785 * config/c4x/c4x.h (RC_REG): New register class.
5786 (rc_reg_operand): Define prototype.
5787 (IS_RC_REG): New macro.
5788 (IS_RC_OR_PSEUDO_REG): New macro.
5789 (IS_RC_OR_PSEUDO_REGNO): New macro.
5790 (OPTIMIZATION_OPTIONS): Define.
5792 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5794 * collect2.c (extract_init_priority): No priority is 65535.
5796 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5798 * Makefile.in (build_tooldir): new variable, same as old
5799 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5800 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5801 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5803 * configure.in (gxx_include_dir): set default based on unlibsubdir
5804 * Makefile.in (tooldir): ditto
5805 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5806 gxx_include_dir, includedir and tooldir
5807 (protoize.o, unprotoize.o): ditto
5809 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5811 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5813 * config/arm/thumb.c (thumb_override_options): Add warning about
5814 PIC code not being supported just yet.
5816 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5818 * flow.c: Update comment.
5819 (notice_stack_pointer_modification): New static function.
5820 (record_volatile_insns): Use it.
5821 (mark_regs_live_at_end): Mark the stack pointer as alive
5822 at the end of the function if current_function_sp_is_unchanging
5824 (life_analysis_1): Set current_function_sp_is_unchanging.
5825 * function.c: Define it.
5826 (init_function_start): Initialize it.
5827 * output.h: Declare it.
5828 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5829 the stack pointer as alive at the end of the function if
5830 current_function_sp_is_unchanging is set.
5831 * i386.c (ix86_epilogue): Optimize the restoring
5832 of the stack pointer.
5834 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5836 * version.c: Bump for snapshot.
5838 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5840 * c-pragma.c (handle_pragma_token): If passed a token instead
5841 of a tree, use that as the pack value.
5843 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5845 * flow.c (find_basic_blocks_1): Fix prototype.
5847 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5849 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5850 (struct tree_decl): New fields no_check_memory_usage.
5851 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5852 (init_attributes): Register it as a new attribute.
5853 (decl_attributes): Set flags on functions given that attribute.
5854 * c-decl.c (duplicate_decls): Merge new attribute.
5855 * expr.h (current_function_check_memory_usage): Declare new var.
5856 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5857 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5858 current_function_check_memory_usage.
5859 * function.h: Add field to struct function.
5860 * function.c (current_function_check_memory_usage): Define it.
5861 (push_function_context_to, pop_function_context_from): Save and
5863 (expand_function_start): Set it, based on global flag and function
5866 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5867 check non-automatic variables, to permit detection of writes to
5868 read-only locations in embedded systems without memory management.
5869 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5870 when emitting chkr_set_right_libfunc call, even if the argument is
5871 BLKmode or variable-sized; don't abort.
5873 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5874 symbols in Pmode, not VOIDmode.
5876 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5878 * cppexp.c: When forcing unsigned comparisons, cast both sides
5881 * cpphash.h: Move static declaration of hashtab[]...
5882 * cpphash.c: ...here.
5884 * cpplib.c: Cast difference of two pointers to size_t before
5885 comparing it to size_t. Cast signed to unsigned
5886 before comparing to size_t. (FIXME: struct argdata should use
5887 unsigned buffer sizes.)
5888 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5889 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5890 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5891 size_t before comparison.
5893 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5895 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5896 (find_basic_blocks_1): Similarly.
5897 * output.h (find_basic_blocks): Fix prototype.
5898 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5899 find_basic_blocks anymore.
5901 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5903 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5904 (sbitmap_free, sbitmap_vector_free): New macros.
5905 * output.h (rtl_dump_file): Declare.
5907 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5909 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5911 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5915 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5916 (divide): Remove unused variable `tmp'.
5917 (si_to_float): Cast numeric constant to (SItype) before comparing
5920 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5922 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5923 * gcc.c (add_preprocessor_option): Correct typo when allocating
5924 memory, sizeof() argument had one too many `*'.
5925 (add_assembler_option): Likewise.
5926 (add_linker_option): Likewise.
5927 * gcov.c (output_data): Likewise.
5928 * local-alloc.c (memref_used_between_p): Likewise.
5929 (update_equiv_regs): Likewise.
5930 * loop.c (strength_reduce): Likewise.
5931 * reg-stack.c (record_asm_reg_life): Likewise.
5932 (subst_asm_stack_reg): Likewise.
5933 * reorg.c (dbr_schedule): Likewise.
5935 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5937 * flow.c (life_analysis_1): Break out some functions.
5938 (find_basic_blocks_1): Likewise. Also move some variables out and
5940 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5941 new static var nonlocal_label_list with it.
5942 (active_eh_region, nested_eh_region, label_value_list,
5943 nonlocal_label_list): New static variables.
5944 (make_edges, delete_unreachable_blocks, delete_block): New static
5945 functions, broken out of find_basic_blocks_1.
5946 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5947 noop_move_p): New static functions, broken out of life_analysis_1.
5949 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5951 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5952 Take extra care for op0 now possibly being a subreg.
5953 (extract_bit_field): Likewise.
5954 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5955 the reg to memory if there is no equal sized integral mode.
5956 * stor-layout.c (int_mode_for_mode): New function.
5957 * machmode.h: Prototype it.
5959 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5961 * global.c (build_insn_chain): Verify no real insns exist past the
5962 end of the last basic block, then exit the loop.
5964 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5966 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5968 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5970 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5972 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5974 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5976 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5978 * flow.c (find_basic_blocks): Correctly determine when a call
5979 is within an exception region.
5981 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5983 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5985 * cpplib.h: Protect from multiple inclusions.
5986 * cpplib.c: Fix minor formatting problems.
5988 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5990 * jump.c (jump_optimize): Revert accidental patch.
5992 * Makefile.in (cpplib.o): Use unlibsubdir.
5994 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5996 * loop.c (get_condition): Allow combine when either compare is
5999 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
6001 * version.c: Bump for snapshot.
6003 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
6005 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
6006 (init_lex): Initialize ridpointers[RID_BYREF].
6007 * c-lex.h (enum rid): Add RID_BYREF.
6008 * c-parse.gperf: Add RID_BYREF as a type qualifier.
6009 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
6010 (encode_type_qualifiers): Similarly
6011 * c-gperf.h: Rebuilt.
6013 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
6015 * c-common.c (type_for_mode): Only return TItype nodes when
6016 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6017 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
6018 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6019 (init_decl_processing): Only create TItype nodes when
6020 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6021 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
6022 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6024 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6026 * stmt.c (n_occurrences): New static function.
6027 (expand_asm_operands): Verify that all constrains match in the
6028 number of alternatives.
6029 Verify that '+' or '=' are at the beginning of an output constraint.
6030 Don't allow '&' for input operands.
6031 Verify that '%' isn't written for the last operand.
6032 * reload.c (find_reloads): Abort if an asm is found with invalid
6033 constraints; all possible problems ought to be checked for earlier.
6035 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6037 * flags.h (flag_branch_on_count_reg): Always declare
6038 * toplev.c (flag_branch_on_count_reg): Likewise.
6039 * toplev.c: Fix typos.
6041 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
6044 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
6046 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
6048 (find_basic_blocks_1): Add a nop to the end of a basic block when
6049 a trailing call insn does not have abnormal control flow.
6050 * gcse.c (pre_transpout): New variable.
6051 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
6052 (compute_pre_transpout): Calculate it.
6053 (compute_pre_ppinout): Use it to eliminate impossible placements
6054 due to abnormal control flow through calls.
6055 (compute_pre_data): Call compute_pre_transpout.
6057 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6059 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
6061 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
6063 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
6064 and matching define_insns): Tack on a `use' of the table label, so
6065 flow analysis will recognize a tablejump.
6067 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
6069 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
6070 always end basic blocks for abnormal edge reasons.
6072 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
6074 * config/i386/i386.h: Remove definition of
6075 HANDLE_PRAGMA_PACK_PUSH_POP.
6077 * config/i386/go32.h: Add definition of
6078 HANDLE_PRAGMA_PACK_PUSH_POP.
6080 * config/i386/win32.h: Add definition of
6081 HANDLE_PRAGMA_PACK_PUSH_POP.
6083 * config/i386/cygwin32.h: Add definition of
6084 HANDLE_PRAGMA_PACK_PUSH_POP.
6086 * c-pragma.c (insert_pack_attributes): Do not insert
6087 attributes unless #pragma pack(push,<n>) is in effect.
6089 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
6091 * expr.c (emit_group_store): Handle a PARALLEL destination.
6093 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
6095 * gcse.c (pre_insert_insn): When a call ends a bb, insert
6096 the new insns before the argument regs are loaded.
6098 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6100 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
6101 (c-parse.gperf): Update comments describing invocation flags.
6102 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
6104 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
6106 * reload1.c (reload): Call free before clobbering the memory
6107 locations or constants pointers.
6109 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6111 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
6112 for efficiency by checking whether we need to modify the current
6113 stack permission at all.
6114 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
6115 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
6116 __enable_execute_stack libcall here too if
6117 TRANSFER_FROM_TRAMPOLINE is defined.
6118 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
6121 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
6123 * Makefile.in (DRIVER_DEFINES): Remove last change.
6125 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6127 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
6128 insns we're going to copy.
6129 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
6131 * loop.c (count_one_set): Add prototype.
6133 * caller-save.c (restore_referenced_regs): Lose mode argument.
6134 (insert_save): Lose mode argument.
6135 (insert_restore): Lose mode argument.
6136 (insert_one_insn): Lose mode argument.
6137 (save_call_clobbered_regs): Lose mode argument.
6138 (setup_save_areas): Take no argument and return void. All callers
6140 Don't verify validity of memory addresses.
6141 * reload.h (setup_save_ares): Adjust prototype.
6142 (save_call_clobbered_regs): Likewise.
6143 * reload1.c (delete_caller_save_insns): New function.
6144 (caller_save_spill_class): Delete variable.
6145 (caller_save_group_size): Delete variable.
6146 (reload): Call setup_save_areas and save_call_clobbered_regs
6147 in the main loop, before calling calculate_needs_all_insns.
6148 Don't call save_call_clobbered_regs after the loop.
6149 Call delete_caller_save_insns at the end of an iteration if
6151 Delete code to manage caller_save_spill_class.
6152 Emit the final note before setting reload_first_uid.
6153 Simplify test that determines whether reload_as_needed gets run.
6154 (calculate_needs): Delete code to manage caller_save_spill_class.
6156 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
6158 * collect2.c (main): Initialize ld_file_name.
6160 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
6162 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
6163 check for flag_function_sections.
6165 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6167 * cse.c (insert_regs): Fix bug in Sep 24 change.
6169 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6171 * flags.h (flag_dump_unnumbered): Declare.
6172 * toplev.c (flag_dump_unnumbered): Don't declare.
6173 * print-rtl.c (flags.h): Include.
6174 (print_rtl_single): Add return value.
6175 * rtl.h (print_rtl_single): Update declaration.
6176 * flow.c (flag_dump_unnumbered): Don't declare.
6177 (print_rtl_with_bb): Use return value of print_rtl_single.
6179 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6181 * loop.c (count_one_set): New static function, broken out of
6183 (count_loop_regs_set): Call it.
6184 * global.c (mark_reg_store): Handle clobbers here by not calling
6186 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
6187 is in fact a clobber.
6188 * integrate.c (process_reg_param): New function, broken out of
6189 expand_inline_function.
6190 (expand_inline_function): Call it.
6193 * i386.md (addsidi3_1): Delete unused variable temp.
6194 (addsidi3_2): Likewise.
6195 (clstrstrsi): Delete unused variable addr1.
6197 * rtl.h: Don't declare any functions also declared in recog.h.
6199 * Makefile.in (stupid.o): Update dependencies.
6200 (global.o): Likewise.
6202 * global.c: Include reload.h
6203 (reg_becomes_live): New function.
6204 (reg_dies): New function.
6205 (build_insn_chain): New function.
6206 (global_alloc): Call build_insn_chain before calling reload.
6208 * reload.h (struct needs): New structure definition.
6209 (struct insn_chain): Likewise.
6210 (reload_insn_chain): Declare variable.
6211 (new_insn_chain): Declare function.
6214 * reload1.c (reload_startobj): New variable.
6215 (reload_insn_chain): New variable.
6216 (unused_insn_chains): New variable.
6217 (new_insn_chain): New function.
6218 (init_reload): Initialize reload_startobj, not reload_firstobj.
6219 (reload): Initialize reload_firstobj.
6220 Before returning, free everything on the reload_obstack.
6222 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
6223 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
6224 current_chain): New variables.
6225 (reg_where_born): Delete variable.
6226 (REG_WHERE_BORN): New macro.
6227 (find_clobbered_regs): New function.
6228 (stupid_life_analysis): Don't allocate/free reg_where_born.
6229 Allocate and free reg_where_born_exact, reg_where_born_clobber,
6230 reg_where_dead_chain.
6231 Use REG_WHERE_BORN instead of reg_where_born.
6232 While processing the insns, build the reload_insn_chain with
6233 information about register lifetimes.
6234 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
6235 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
6237 Compute and information about birth and death of pseudo registers in
6238 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
6239 Delete code to set elements of reg_where_born.
6241 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6243 * tree.def (GOTO_EXPR): Modified documentation.
6244 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
6247 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
6249 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
6250 loop_final_value, loop_comparison_code): No longer static.
6251 (unroll_loop): Delete loop_start_value update.
6252 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
6253 loop_final_value, loop_comparison_code): Extern.
6254 (loop_start_value): Delete extern.
6255 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
6256 loop_comparison_value, loop_comparison_code): Delete.
6257 (loop_optimize): Remove initialization for deleted variables.
6258 (strength_reduce): Delete analyze_loop_iterations call. Only call
6259 insert_bct if flag_branch_count_on_reg set.
6260 (analyze_loop_iterations): Delete.
6261 (insert_bct): Remove iteration count calculation. Move checks for
6262 viable BCT optimization to here. Obtain iteration count from
6263 loop_iterations and correct for unrolling. Check for enough
6264 iteration to be beneficial. Comment out runtime iteration count
6266 (insert_bct): Print iteration count in dump file. Remove
6267 loop_var_mode and use word_mode directly.
6269 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
6270 * rs6000.c (rs6000_override_options): Use it.
6271 (optimization_options): Enable use of flag_branch_on_count_reg.
6272 * rs6000.md (define_function_unit): Describe 604e.
6274 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6276 * loop.c (move_movables): Corrected threshold calculation for
6277 moved_once registers.
6279 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6281 * loop.c (combine_givs_p): Fix test for identical givs.
6283 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
6285 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
6286 call abort if the function is already defined.
6288 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
6290 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
6291 truncation is not a no-op.
6293 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6295 * version.c: Bump for snapshot.
6297 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6299 * version.c: Bump for snapshot.
6301 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6303 * expmed.c (expand_divmod): Don't widen for computing remainder
6304 if we seem to have a divmod pattern for needed mode.
6306 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6308 * cpplib.c (macroexpand): Correct off-by-one error in handling
6311 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6313 * combine.c (expand_field_assignment): Don't do bitwise operations
6314 on MODE_FLOAT; pun to MODE_INT if possible.
6316 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6317 scott snyder <snyder@d0sgif.fnal.gov>
6319 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6320 linker. Recognize mangled names in quotes.
6322 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6324 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6325 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6326 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6327 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6329 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6331 * function.c (purge_addressof_1): If trying to take a sub-word
6332 integral piece of a floating point mode, put it on the stack.
6334 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6336 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6338 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6340 * PROJECTS: Remove template friends.
6342 * collect2.c (sort_ids): Remove unused variable.
6344 * tm.texi (MATH_LIBRARY): Document.
6345 (NEED_MATH_LIBRARY): Remove.
6347 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6348 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6350 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6352 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6353 last_end to 0x7fffffff.
6355 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6357 * function.c (purge_addressof_1): Do not perform endianness
6358 corrections on bitpos, who we call will do it for us.
6360 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6362 * h8300.c (WORD_REG_USED): Fix typo.
6363 (initial_offset): Use WORD_REG_USED.
6365 * h8300.c (handle_pragma): Fix typo.
6367 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6369 * caller-save.c (insert_save_restore): Break this function up
6370 into new functions insert_restore, insert_save and insert_one_insn.
6371 All callers changed.
6372 (insert_restore): New function, mostly broken out of
6373 insert_save_restore.
6374 (insert_save): Likewise.
6375 (insert_one_insn): Likewise.
6376 (restore_referenced_regs): New argument BLOCK. All callers changed.
6377 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6378 in this function, do it in insert_one_insn instead.
6380 * reload1.c (reload): Break out some more pieces into separate
6382 (dump_needs): New function, broken out of reload.
6383 (set_initial_elim_offsets): Likewise.
6384 (init_elim_table): Likewise.
6385 (update_eliminables): Likewise.
6387 * global.c (global_alloc): Delete code to manage the scratch_list.
6388 * local-alloc.c (qty_scratch_rtx): Delete.
6389 (scratch_block): Delete.
6390 (scratch_list): Delete.
6391 (scratch_list_length): Delete.
6392 (scratch_index): Delete.
6393 (alloc_qty_for_scratch): Delete.
6394 (local-alloc): Update initialization of max_qty.
6395 Delete code to manage the scratch list.
6396 Delete code to allocate/initialize qty_scratch_rtx.
6397 (block_alloc): Don't allocate quantities for scratches.
6398 Delete code to manage the scratch list.
6399 * regs.h (scratch_list): Delete declaration.
6400 (scratch_block): Delete declaration.
6401 (scratch_list_length): Delete declaration.
6402 * reload1.c (reload): Delete code to manage the scratch list.
6403 (spill_hard_reg): Likewise.
6404 (mark_scratch_live): Delete.
6406 * recog.c (alter_subreg): Delete declaration.
6408 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6410 * Makefile.in (cccp.o): Fix typo in last patch.
6412 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6414 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6415 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6417 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6419 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6420 NULL_RTX as an argument.
6422 * Makefile.in (unlibsubdir): Define.
6423 (DRIVER_DEFINES): Use unlibsubdir.
6424 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6425 (stmp-fixinc): Similarly.
6427 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6429 * regmove.c (regmove_optimize): Add variable old_max_uid.
6430 At the end of the function, update basic_block_end.
6432 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6434 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6435 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6438 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6440 * config/arm/arm.c: Improve interworking support.
6442 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6444 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6445 copied from reload_out[r] .
6447 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6449 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6450 with more than three size ranges.
6452 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6454 * rtl.c (mode_name): Add a null string at the end of the array.
6455 (mode_wider_mode): Change type to unsigned char.
6456 (mode_mask_array): New variable.
6457 (init_rtl): Update for mode_wider_mode type change.
6459 * rtl.h (mode_wider_mode): Change type to unsigned char.
6460 (mode_mask_array): Declare.
6461 (GET_MODE_MASK): Use mode_mask_array.
6463 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6465 * calls.c (expand_call) : Encapsulate code into
6466 copy_blkmode_from_reg.
6467 * expr.c (copy_blkmode_from_reg): New function.
6468 * expr.h (copy_blkmode_from_reg): New function.
6469 * integrate.c (function_cannot_inline_p): We can inline
6471 (expand_inline_function): Use copy_blkmode_from_reg
6472 if needed. Avoid creating BLKmode REGs.
6473 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6476 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6478 * config/v850/v850.c: Add function prototypes.
6479 Add support for v850 special data areas.
6481 * config/v850/v850.h: Add support for v850 special data areas.
6483 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6484 HANDLE_PRAGMA_PACK_PUSH_POP.
6485 (push_alignment): New function: Cache an alignment requested
6486 by a #pragma pack(push,<n>).
6487 (pop_alignment): New function: Pop an alignment from the
6489 (insert_pack_attributes): New function: Generate __packed__
6490 and __aligned__ attributes for new decls whilst a #pragma pack
6492 (add_weak): New function: Cache a #pragma weak directive.
6493 (handle_pragma_token): Document calling conventions. Add
6494 support for #pragma pack(push,<n>) and #pragma pack (pop).
6496 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6497 are defined enable HANDLE_PRAGMA_PACK.
6498 Move 'struct weak_syms' here (from varasm.c).
6499 Add pragma states for push and pop pragmas.
6501 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6504 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6505 HANDLE_GENERIC_PRAGMAS.
6507 * varasm.c: Move definition of 'struct weak_syms' into
6509 (handle_pragma_weak): Deleted.
6511 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6513 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6515 * c-decl.c (start_function): Add invocation of
6516 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6518 * tm.texi: Remove description of non-existant macro
6519 SET_DEFAULT_SECTION_NAME.
6521 (HANDLE_SYSV_PRAGMA): Document.
6522 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6524 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6526 * config.sub: Recognize i[34567]86-pc-udk as new target.
6527 * configure.in: Likewise.
6528 * config/i386/t-udk: New file.
6529 * config/i386/udk.h: New file.
6531 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6533 * reorg.c (check_annul_list_true_false): Remove unused variables.
6534 (steal_delay_list_from_target): Add missing "used_annul" variable.
6535 (try_merge_delay_insns): Close out half formed comment.
6537 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6539 * cpplib.c (macroexpand): If arg->raw_before or
6540 arg->raw_after, remove any no-reexpansion escape at the
6541 beginning of the pasted token. Correct handling of whitespace
6542 markers and no-reexpand markers at the end if arg->raw_after.
6544 * toplev.c (documented_lang_options): Recognize -include,
6545 -imacros, -iwithprefix, -iwithprefixbefore.
6546 * cpplib.c (cpp_start_read): Process -imacros and -include
6547 switches at the same time and in command-line order, after
6548 initializing the dependency-output code. Emit properly nested
6549 #line directives for them. Emit a #line for the main file
6550 before processing these switches, and don't do it again
6553 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6555 * function.c (purge_addressof_1): Use bitfield manipulation
6556 routines to handle mem mode < reg mode.
6558 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6560 * reorg.c (try_merge_delay_insns): Account for resources referenced
6561 in each instruction in INSN's delay list before trying to eliminate
6562 useless instructions. Similarly when looking at a trial insn's delay
6565 * reorg.c (check_annul_list_true_false): New function.
6566 (steal_delay_list_from_{target,fallthrough}): Call it and also
6567 refine tests for when we may annul if already filled a slot.
6568 (fill_slots_from_thread): Likewise.
6569 (delete_from_delay_slot): Return newly-created thread.
6570 (try_merge_delay_isns): Use its new return value.
6572 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6574 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6575 used to compute a giv or as some other non-counting use.
6577 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6579 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6580 * local-alloc.c (find_free_reg): Use it.
6581 * global.c (find_reg): Likewise.
6582 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6584 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6585 * caller-save.c (init_caller_save): Use it.
6586 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6588 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6590 * configure.in: Add --enable-cpplib option which uses cpplib
6591 for cpp, but doesn't link cpplib into cc1. Make help text
6592 capitalization consistent.
6593 * configure: Rebuilt.
6595 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6597 * function.c (gen_mem_addressof): If the address REG is
6598 REG_USERVAR_P make the new REG be so also.
6599 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6600 in an attempt to clarify slightly.
6602 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6604 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6605 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6607 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6609 * toplev.c: Fix last patch.
6611 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6613 * loop.c (get_condition): Fix typo in May 9 change.
6615 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6617 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6619 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6621 * toplev.c (documented_lang_options): Spelling corrections.
6623 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6625 * configure.in: new flags --with-ld and --with-as, equivalent
6626 to setting LD and AS environment variables. Test whether
6627 specified arguments are GNU commands, and report them with
6628 checking messages. Use the specified AS for configure
6631 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6633 * gcc.c (find_a_file): when looking for `as' and `ld', return
6634 the DEFAULT program if it exists
6635 * collect2.c (main): use DEFAULT_LINKER if it exists
6637 * gcc.c (find_a_file): the test for existence of a full
6638 pathname was reversed
6640 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6642 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6643 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6645 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6647 * tree.h (TYPE_BINFO): Document.
6649 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6651 * i386-coff.h (dbxcoff.h): Added.
6653 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6655 * toplev.c: fix bad patch around flag_data_sections.
6657 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6659 * reload1.c (reload): Use reload_address_index_reg_class and
6660 reload_address_base_reg_class when setting
6661 caller_save_spill_class. (Patch generated by Jim Wilson:
6664 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6666 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6667 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6668 * expr.c (store_field): Add alias_set parameter. Set the
6669 MEM_ALIAS_SET accordingly, if the target is a MEM.
6670 (expand_assignment): Use it.
6671 (store_constructor_field): Pass 0.
6672 (expand_expr): Likewise.
6674 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6676 * flags.h: Add flag_data_sections.
6677 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6678 (compile_file): Error if flag_data_sections not supported.
6679 * varasm.c (assemble_variable): Handle flag_data_sections.
6680 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6681 * config/mips/elf.h: Likewise.
6682 * config/mips/elf64.h: Likewise.
6683 * invoke.texi: Describe -fdata-sections.
6685 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6687 * invoke.texi (-ffloat-store): Clarify that this option
6688 does not affect intermediate results -- only variables.
6690 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6692 * cpp.texi: Update for Fortran usage from Craig.
6694 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6696 * rs6000.c (function_arg_boundary): Revert accidental change on
6699 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6701 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6702 (output_mi_thunk): Declare.
6704 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6705 (output_function_profiler): Use r12 for temp, instead of r11 so
6706 that we preserve the static chain register.
6708 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6710 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6712 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6714 * sh.c (gen_shl_sext): Fix case 5.
6716 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6718 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6720 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6722 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6723 accessing variables until they are initialized via va_arg().
6725 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6727 * reload1.c (reload_combine): Initialize set before using.
6729 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6731 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6734 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6736 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6737 operand3 with mask before using it. Patch provided by Jim Wilson.
6739 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6741 * config/sparc/sparc.c (function_value): Perform the equivalent of
6742 PROMOTE_MODE for ARCH64.
6743 (eligible_for_epilogue_delay): Allow DImode operations in delay
6744 slot of a return for ARCH64.
6746 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6748 * sh.md (sqrtsf2): Fix mode of sqrt.
6750 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6752 * reload1.c (choose_reload_regs): Also try inheritance when
6753 reload_in is a stack slot of a pseudo, even if we already got a
6756 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6758 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6759 (reload_cse_regs): New function body: call reload_cse_regs_1,
6760 reload_combine, reload_cse_move2add.
6761 When doing expensive_optimizations, call reload_cse_regs_1 a
6762 second time after reload_cse_move2add.
6763 (reload_combine, reload_combine_note_store): New functions.
6764 (reload_combine_note_use): New function.
6765 (reload_cse_move2add, move2add_note_store): New functions.
6767 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6769 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6770 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6772 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6773 more than 3 such reloads.
6775 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6776 RELOAD_FOR_X_ADDR_ADDR reload.
6778 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6780 * expr.c (store_constructor): When initializing a field that is smaller
6781 than a word, at the start of a word, try to widen it to a full word.
6783 * cse.c (cse_insn): When we are about to change a register,
6784 remove any invalid references to it.
6786 (remove_invalid_subreg_refs): New function.
6787 (mention_regs): Special treatment for SUBREGs.
6788 (insert_regs): Don't strip SUBREG for call to mention_regs.
6789 Check if reg_tick needs to be bumped up before that call.
6790 (lookup_as_function): Try to match known word_mode constants when
6791 looking for a norrower constant.
6792 (canon_hash): Special treatment for SUBREGs.
6794 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6796 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6797 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6798 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6799 and offsets in actual stack trampoline code so they match the
6800 commentary and actually work.
6802 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6804 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6806 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6807 tmake_file. Set extra_parts to needed crt objects.
6808 * configure: Rebuilt.
6809 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6810 (TARGET_DEFAULT): Set if default is v9 or ultra.
6811 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6812 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6813 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6814 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6815 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6816 (TARGET_VERSION): Define.
6817 (MULTILIB_DEFAULT): Define.
6818 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6819 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6820 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6822 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6823 * config/sparc/sparc.c (sparc_override_options): If arch and
6824 pointer size disagree, emit diagnostic and fix it up. If
6825 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6826 V8PLUS in 64-bit mode.
6827 * config/sparc/t-linux64: New file.
6828 * config/sparc/t-sol2-64: New file.
6829 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6830 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6831 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6832 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6833 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6834 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6836 (STARTFILE_SPEC): Set approriately based upon those.
6837 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6838 disposition of DEFAULT_ARCH32_P.
6839 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6840 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6841 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6842 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6843 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6845 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6847 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6849 * rtl.h (init_virtual_regs): New function.
6850 * emit-rtl.c (init_virtual_regs): Define.
6851 (insn_emit): Use it.
6852 * integrate.c (save_for_inline_copying): Likewise.
6854 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6856 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6857 (enum reg_class): Add NONARG_LO_REGS support.
6858 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6859 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6860 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6861 completes. Re-enable HImode REG+OFFSET addresses.
6862 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6864 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6866 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6868 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6869 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6870 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6872 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6874 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6875 jumps as a single entity, taking into account the size of the
6878 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6880 * tree.def (SWITCH_EXPR): New tree node definition.
6882 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6884 * version.c: Bump for snapshot.
6886 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6888 * version.c: Bump for snapshot.
6890 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6892 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6895 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6897 * Revert this patch.
6898 * reload.c (find_reloads): Do not replace a pseudo with
6899 (MEM (reg_equiv_addr)) in the initializing insn for the
6902 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6904 * final.c (final_scan_insn): Disable tracking CC across branches.
6906 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6908 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6909 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6910 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6911 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6912 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6914 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6916 * toplev.c (rest_of_compilation): Skip compiling anything with
6917 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6919 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6921 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6922 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6923 use in_libcall_block.
6924 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6925 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6928 Mon Sep 21 14:02:23 1998
6930 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6931 typo in no-fancy-math-387 description.
6933 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6935 * version.c: Bump for snapshot.
6937 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6939 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6941 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6943 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6944 documented in install.texi.
6945 (TARGET_OPTIONS) Likewise.
6947 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6949 * version.c: Bump for snapshot.
6951 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6953 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6954 * cccp.c (main): Likewise.
6956 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6957 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6960 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6962 * Makefile.in (LIBS): Link in libiberty.a.
6963 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6965 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6967 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6968 it to update bb boundaries. Update caller.
6969 * function.c (reposition_prologue_and_epilogue_notes): Update
6970 bb boundaries wrt the moved note.
6972 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6974 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6976 * configure: Regenerate.
6978 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6980 * alpha.c (alpha_sr_alias_set): New variable.
6981 (override_options): Set it.
6982 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6983 (mode_mask_operand): Fix signed-unsigned comparision warning.
6984 (alpha_expand_block_move): Likewise.
6985 (print_operand): Likewise.
6986 (get_aligned_mem): Use change_address.
6987 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6988 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6989 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6990 (alpha_align_insns): Remade from old alphaev5_align_insns
6991 to handle multiple processors.
6992 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6993 * output.h (label_to_alignment): Prototype.
6995 * tree.c (new_alias_set): New function.
6996 * tree.h (new_alias_set): Declare it.
6997 * c-common.c (c_get_alias_set): Use it.
6999 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
7001 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
7002 to an ABS expr, convert an unsigned input to signed.
7004 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
7006 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
7008 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7010 * configure.in: Add support for c4x targets.
7011 * configure: Rebuilt.
7013 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
7015 * combine.c (distribute_notes): If an insn is a cc0 user, only
7016 delete it if we can also delete the cc0 setter.
7018 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
7020 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
7021 (invert_truthvalue): Enable truthvalue inversion for
7022 floating-point operands if -ffast-math.
7024 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
7026 * configure.in: Disable collect2 for nextstep. Instead use
7028 * configure: Rebuilt.
7029 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
7030 (ENDFILE_SPEC): Define.
7031 (OBJECT_FORMAT_MACHO): Define.
7032 (EH_FRAME_SECTION_ASM_OP): Define.
7033 * crtstuff.c: Handle MACHO.
7035 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
7037 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
7039 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
7041 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
7042 (_fpadd_parts): Get sign right for 0.
7044 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7046 * ginclude/varargs.h: Add support for C4x target.
7047 * ginclude/stdargs.h: Likewise.
7049 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
7051 * alpha.c (alpha_return_addr): SET should be VOIDmode.
7052 (alpha_emit_set_long_const): Rewrite to be callable from reload
7054 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
7055 * alpha.md (movdi): Likewise.
7057 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
7059 * arm.c (add_constant): New parameter address_only, change caller.
7060 Set it non-zero if taking the address of an item in the pool.
7061 (arm_reorg): Handle cases where we need the address of an item in
7064 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
7066 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
7067 memory addresses that are not in standard canonical form.
7069 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
7071 * README.C4X: New file with information about the c4x ports.
7072 * ginclude/va-c4x.h: New file for c4x varargs support.
7073 * config/c4x: New directory with c4x port files.
7075 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
7077 * reload.c (find_reloads): Do not replace a pseudo with
7078 (MEM (reg_equiv_addr)) in the initializing insn for the
7081 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
7083 * toplev.c (rest_of_compilation): Set bct_p on second call to
7085 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
7087 (strength_reduce): Only call analyze_loop_iterations and
7088 insert_bct if bct_p set.
7089 (check_dbra_loop): Fix typo.
7090 (insert_bct): Use word_mode instead of SImode.
7091 (instrument_loop_bct): Likewise. Do not delete iteration count
7092 condition code generation insn. Initialize iteration count before
7094 * rtl.h (loop_optimize): Update prototype.
7096 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
7097 not doubleword aligned.
7099 * rs6000.c (optimization_options): New function.
7100 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
7101 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
7102 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
7103 first; cr1 can be used for FP record condition insns.
7105 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
7107 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
7110 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
7113 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
7115 (block_move_call): New function: Call a library routine to copy a
7117 (m32r_expand_block_move): New function: Expand a "movstrsi"
7118 pattern into a sequence of insns.
7119 (m32r_output_block_move): New function: Expand a
7120 "movstrsi_internal" pattern into a sequence of assembler opcodes.
7121 (m32r_block_immediate_operand): New function: Return true if the
7122 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
7124 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7126 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
7128 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
7130 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7132 * regmove.c (copy_src_to_dest): Check that modes match.
7134 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
7136 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
7138 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7140 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
7141 narrower than FLOAT_REGS.
7143 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7145 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
7147 * Makefile.in (old_gxx_include_dir): removed
7149 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
7151 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
7154 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
7155 (sh_handle_pragma): Change function arguments to match new
7156 specification for HANDLE_PRAGMA.
7158 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7160 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
7162 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
7163 When generating output, initialize missing struct member to zero.
7165 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7167 * regmove.c (copy_src_to_dest): Don't copy if that requires
7168 (a) new register(s).
7170 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7172 * global.c (reg_allocno): Now static.
7173 * reload1.c (reg_allocno): Delete declaration.
7174 (order_regs_for_reload): Take no arguments. Don't treat regs
7175 allocated by global differently than those allocated by local-alloc.
7177 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7179 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
7180 condition, fix format strings.
7181 (output_function_epilogue): Likewise.
7183 * m68k/m68k.c: Don't include <stdlib.h> directly.
7185 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7187 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
7188 mem_first_set, mem_last_set; because 0 can be a CUID.
7189 (oprs_unchanged_p): Use new definition.
7190 (record_last_reg_set_info): Likewise.
7191 (record_last_mem_set_info): Likewise.
7192 (compute_hash_table): Likewise.
7194 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
7196 * rs6000.c (output_epilogue): Handle Chill.
7198 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7199 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7201 * combine.c (make_extraction): If no mode is specified for
7202 an operand of insv, extv, or extzv, default it to word_mode.
7203 (simplify_comparison): Similarly.
7204 * expmed.c (store_bit_field): Similarly.
7205 (extract_bit_field): Similarly.
7206 * function.c (fixup_var_regs_1): Similarly.
7207 * recog.c (validate_replace_rtx_1): Similarly.
7208 * mips.md (extv, extzv, insv expanders): Default modes for most
7209 operands. Handle TARGET_64BIT.
7210 (movdi_uld, movdi_usd): New patterns.
7212 * pa.c (emit_move_sequence): Do not replace a pseudo with its
7213 equivalent memory location unless we have been provided a scratch
7214 register. Similarly do not call find_replacement unless a
7215 scratch register has been provided.
7217 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7219 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
7222 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
7224 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
7225 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
7226 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
7227 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
7228 * c-decl.c (init_decl_processing): Update accordingly.
7229 * expr.c (expand_builtin): Likewise.
7231 * rtl.h (global_rtl): Add cfa entry.
7232 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
7233 (LAST_VIRTUAL_REGISTER): Update.
7234 * emit-rtl.c (global_rtl): Add cfa entry.
7235 (init_emit): Initialize it.
7236 * function.c (cfa_offset): New.
7237 (instantiate_virtual_regs): Initialize it.
7238 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
7239 (expand_function_end): Call expand_eh_return.
7240 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
7242 * except.c (current_function_eh_stub_label): Kill.
7243 (current_function_eh_old_stub_label): Likwise; update all references.
7244 (expand_builtin_set_return_addr_reg): Kill.
7245 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
7246 (expand_builtin_set_eh_regs): Kill.
7247 (eh_regs): Produce a third reg for the actual handler address.
7248 (eh_return_context, eh_return_stack_adjust): New.
7249 (eh_return_handler, eh_return_stub_label): New.
7250 (init_eh_for_function): Initialize them.
7251 (expand_builtin_eh_return, expand_eh_return): New.
7252 * except.h: Update prototypes.
7253 * flow.c (find_basic_blocks_1): Update references to the stub label.
7254 * function.h (struct function): Kill stub label elements.
7256 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
7257 register number is one that would be in the previous window.
7258 Provide a dummy definition for non-windowed targets.
7259 (get_reg_addr): New function.
7260 (get_reg, put_reg, copy_reg): Use it.
7261 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
7262 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
7264 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
7265 (alpha_init_expanders): Initialize it.
7266 (alpha_expand_epilogue): Use it.
7267 * alpha.h: Declare it.
7268 * alpha.md (eh_epilogue): New.
7270 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
7271 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
7273 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
7275 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
7278 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7280 * except.h (struct eh_entry): Add false_label field.
7281 (end_catch_handler): Add prototype.
7282 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
7283 (start_catch_handler): When using old style exceptions, issue
7284 runtime typematch code before continuing with the handler.
7285 (end_catch_handler): New function, generates label after handler
7286 if needed by older style exceptions.
7287 (expand_start_all_catch): No need to check for new style exceptions.
7288 (output_exception_table_entry): Only output the first handler label
7289 for old style exceptions.
7290 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
7291 mechanism into one function, if a runtime matcher is provided.
7293 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7295 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7297 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7299 * integrate.c (copy_decl_list): Fix typo.
7301 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7303 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7306 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7308 * version.c: Bump for snapshot.
7310 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7312 * version.c: Bump for snapshot.
7314 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7316 * version.c: Bump for snapshot.
7318 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7320 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7322 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7324 * configure.in: remove usage of `!' to negate the result of a
7325 command; some common shells do not support it
7327 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7329 * configure.in: in sparc9-sol2 config, use 'if test' not
7331 * configure: Rebuilt.
7333 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7335 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7336 (CPP_CPU_DEFAULT_SPEC): Likewise.
7337 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7338 for arch64 libfuncs.
7340 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7343 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7345 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7347 * collect2.c: Don't declare `sys_siglist' here.
7348 (my_strsignal): Prototype and define new function. Use it in
7349 place of `sys_siglist' hacks.
7351 * mips_tfile.c: Likewise.
7353 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7354 (GCC_NEED_DECLARATIONS): Likewise.
7356 * system.h (strsignal): Prototype it, if necessary.
7357 (sys_siglist): Declare it, if necessary.
7359 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7361 * loop.c (move_movables): While removing insn sequences, preserve
7362 the next pointer of the most recently deleted insn when we skip
7365 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7367 * objc/config-lang.in: Do not output the name of the selected
7368 thread file when building the front-end. The Makefile for the
7369 runtime library will do this.
7371 * objc/Make-lang.in: Do not build the runtime library or install
7372 the Objective C header files. The Makefile for the runtime
7373 library will do this.
7375 * objc/Makefile.in (all.indirect): Only build the front-end.
7376 (compiler): Rename to `frontend'.
7377 (obj-runtime): Remove target.
7378 (copy-headers): Likewise.
7379 (clean): No need to remove `libobjc.a' any longer.
7381 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7383 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7384 supported with -mcpu=xxx.
7386 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7388 * flow.c (mark_set_1): Recognize multi-register structure return
7389 values in CALL insns.
7390 (mark_used_regs): Likewise.
7391 (count_reg_sets_1): Likewise.
7392 (count_reg_references): Likewise.
7393 * rtlanal.c (note_stores): Likewise.
7394 (reg_overlap_mentioned_p): Likewise.
7395 * haifa-sched.c (check_live_1): Likewise.
7396 (update_live_1): Likewise.
7397 (sched_analyze_1): Likewise.
7398 (sched_note_set): Likewise.
7399 (birthing_insn_p): Likewise.
7400 (attach_deaths): Likewise.
7402 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7405 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7407 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7409 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7411 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7413 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7415 * configure.in: Add check for GAS subsection -1 support.
7416 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7417 * configure config.in: Rebuilt.
7418 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7419 SImode is subsection -1 works, else use DImode.
7420 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7421 subsection -1 works.
7422 * config/sparc/sparc.c (sparc_output_addr_vec,
7423 sparc_output_addr_diff_vec): Use them if defined.
7425 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7427 * tree.h (DECL_ORIGIN): New macro.
7428 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7429 (copy_decl_list): Use it.
7430 (integrate_parm_decls): Likewise.
7431 (integrate_decl_tree): Likewise.
7432 * dwarf2out.c (decl_ultimate_origin): Simplify.
7433 * dwarfout.c (decl_ultimate_origin): Likewise.
7434 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7435 (pushdecl): Likewise.
7437 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7439 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7441 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7443 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7445 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7447 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7448 empty or has a single entry.
7450 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7451 before calling reg_to_stack.
7453 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7455 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7456 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7458 * c-tree.h (warn_long_long): Declare it.
7460 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7462 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7463 initialized float-int union if the value is a NaN.
7465 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7467 * c-lex.c (real_yylex): Don't warn about long long constants if
7468 we're allowing long long
7470 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7472 * except.h (current_function_eh_stub_label): Declare.
7473 (current_function_eh_old_stub_label): Declare.
7474 * function.h (struct function): New members eh_stub_label and
7476 * except.c (current_function_eh_stub_label): New variable.
7477 (current_function_eh_old_stub_label): New variable.
7478 (init_eh_for_function): Clear them.
7479 (save_eh_status): Save them.
7480 (restore_eh_status): Restore them.
7481 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7482 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7483 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7484 make an edge from the block that contains it to the block starting
7485 with the label if this label is one of the eh stub labels.
7486 If eh stub labels exist, show they are reachable from the last block
7489 * reload1.c (reload): Break out several subroutines and make some
7491 (calculate_needs_all_insns): New function, broken out of reload.
7492 (calculate_needs): Likewise.
7493 (find_reload_regs): Likewise.
7494 (find_group): Likewise.
7495 (find_tworeg_group): Likewise.
7496 (something_needs_reloads): New global variable, formerly in reload.
7497 (something_needs_elimination): Likewise.
7498 (caller_save_spill_class): Likewise.
7499 (caller_save_group_size): Likewise.
7500 (max_needs): Likewise.
7501 (group_size): Likewise.
7502 (max_groups): Likewise.
7503 (max_nongroups): Likewise.
7504 (group_mode): Likewise.
7505 (max_needs_insn): Likewise.
7506 (max_groups_insn): Likewise.
7507 (max_nongroups_insn): Likewise.
7508 (failure): Likewise.
7510 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7512 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7514 * loop.c (load_mems): Copy rtx for output mem.
7516 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7518 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7519 mips1 or mips2 either.
7521 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7523 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7525 (pa_adjust_insn_length): Update to work with new marking scheme
7526 for jumps inside switch tables.
7527 * pa.md (switch_jump): Remove pattern.
7528 (jump): Handle jumps inside jump tables.
7530 * Makefile.in (profile.o): Depend on insn-config.h
7532 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7534 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7536 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7538 Add preliminary native sparcv9 Solaris support.
7539 * configure.in: Recognize sparv9-*-solaris2*
7540 * configure: rebuilt
7541 * config.sub: Recognize sparcv9 just like sparc64.
7542 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7543 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7544 32-bit and 64-bit Solaris systems.
7545 * config/sparc/t-sol2: Assemble those with cpp.
7546 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7547 (*TF*_LIBCALL): If ARCH64 use V9 names.
7548 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7550 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7552 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7553 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7555 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7557 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7558 to Pmode if CASE_VECTOR_MODE is something else.
7560 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7562 * prefix.c (update_path): Correctly handle cases where PATH is
7563 a substring of the builtin prefix, but specifies a different
7566 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7568 * expr.c: Corrected comment about what MOVE_RATIO does.
7569 * config/alpha/alpha.h: Ditto.
7570 * config/1750a/1750a.h: Ditto.
7571 * config/clipper/clipper.h: Ditto.
7572 * config/i386/i386.h: Ditto.
7574 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7576 * configure.in (m68k-next-nextstep3*): Use collect2.
7577 Similarly for x86 NeXT configurations.
7578 * configure: Rebuilt.
7580 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7582 * configure.in: Don't assume srcdir is .../gcc
7583 * configure: Rebuilt.
7585 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7587 * global.c: Update comments.
7588 (global_alloc): Assign allocation-numbers
7589 even for registers allocated by local_alloc in case
7590 they are later spilled and retry_global_alloc is called.
7591 (mark_reg_store, mark_reg_clobber,
7592 mark_reg_conflicts, mark_reg_death): Always record a
7593 conflict with a pseudo register even if it has been
7594 assigned to a hard register.
7595 (dump_conflicts): Don't list pseudo registers already assigned to
7596 a hard register as needing to be allocated, but do list their
7598 * local-alloc.c: Update comment.
7600 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7602 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7603 * configure: Rebuilt.
7605 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7607 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7609 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7610 for all targets that set -msoft-float.
7612 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7614 * toplev.c (print_switch_values): Make static to match prototype.
7616 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7618 * configure.in: If we are unable to find the "gnatbind" program,
7619 then do not configure the ada subdir.
7620 * configure: Rebuilt.
7622 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7624 * version.c: Bump for snapshot.
7626 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7628 * version.c: Bump for snapshot.
7630 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7632 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7633 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7635 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7637 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7639 * genextract.c: Have insn-extract.c include toplev.h.
7641 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7643 * toplev.c: Include expr.h.
7644 (really_sorry, fancy_abort): Remove prototypes.
7645 (set_target_switch): Add argument in prototype.
7646 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7647 (v_really_sorry): Likewise.
7648 (print_version, print_single_switch, print_switch_values): Make
7649 static and add prototype arguments.
7650 (decl_printable_name): Add prototype arguments.
7651 (lang_expand_expr_t): New typedef.
7652 (lang_expand_expr): Declare as a lang_expand_expr_t.
7653 (incomplete_decl_finalize_hook): Add prototype argument.
7654 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7655 (botch): Likewise for variable `s'.
7656 (rest_of_type_compilation): Mark variables `type' and `toplev'
7657 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7658 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7659 (display_help): Make variable `i' an `unsigned long'.
7660 (main): Remove unused parameter `envp'.
7661 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7662 Cast -1 when comparing it with a `size_t'.
7664 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7665 prototype with ATTRIBUTE_NORETURN.
7666 (fatal_insn_not_found, fatal_insn, really_sorry,
7667 push_float_handler, pop_float_handler): Add prototypes.
7668 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7669 (do_abort, botch): Add prototypes.
7671 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7673 * final.c (final): If a label is reached only from a single jump,
7674 call NOTICE_UPDATE_CC on the jump and its predecessor before
7675 emitting the insn after the label.
7677 * i386.h: Add AMD K6 support.
7678 Change TARGET_* macros to use table lookup.
7679 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7680 (ADJUST_COST): Change definition to call function in i386.c.
7681 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7682 * i386.c: Add AMD K6 support.
7683 Add constants for feature tests used by TARGET_* macros.
7684 (split_di): If before reload, call gen_lowpart and gen_highpart.
7685 (x86_adjust_cost): New function.
7686 (put_jump_code): New function.
7687 (print_operand): New codes 'D' and 'd'.
7688 * i386.md: New insn types. New insn attribute "memory".
7689 Redefine scheduling parameters to use new types and add AMD K6
7690 support. Explicitly set type of most insns.
7691 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7692 Pro and K6 prefer movl $1,reg to incl reg.
7693 (adddi3, subdi3): Set cc_status.
7694 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7695 to int; x86 can't have more than 2^31 DImode shifts per file.
7696 (setcc): Combine all setcc patterns. Allow writing memory.
7697 Combine all jump patterns using match_operator.
7698 (*bzero): Name pattern. Emit mutliple stos instructions when that
7699 is faster than rep stos.
7700 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7703 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7705 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7708 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7710 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7711 not whatever we're generating now.
7713 * alpha.c (set_frame_related_p, FRP): New.
7714 (alpha_expand_prologue): Mark frame related insns.
7715 (alpha_expand_epilogue): Likewise, but with a null FRP.
7716 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7717 * alpha.md (exception_receiver): New.
7718 * alpha/crtbegin.asm (.eh_frame): New beginning.
7719 (__do_frame_setup, __do_frame_takedown): New.
7720 * alpha/crtend.asm (.eh_frame): New ending.
7721 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7722 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7723 (ASM_FILE_START): Don't emit .file for dwarf2.
7725 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7726 * rtl.c (reg_note_name): Likewise.
7727 * rtl.texi (REG_NOTES): Likewise.
7728 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7731 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7733 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7734 * i386.md (movsf, movdf, movxf): Validate memory address returned
7735 from force_const_mem. Kill useless REG_EQUAL setting code.
7737 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7739 * m68k.md (zero_extendsidi2): Fix typo.
7741 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7743 * configure.in: Removed references to the removed file
7744 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7745 * arm*-*-netbsd* and ns32k-*-netbsd*.
7746 * config/i386/xm-netbsd.h: Removed unnecessary file.
7747 * config/m68k/xm-netbsd.h: Likewise.
7748 * config/sparc/xm-netbsd.h: Likewise.
7749 * config/mips/xm-netbsd.h: Likewise.
7751 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7753 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7754 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7756 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7757 for exact section attributions.
7759 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7761 * i386/crtdll.h (CPP_PREDEFINES): Define.
7763 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7765 * m68k.md (5200 movqi): Do not allow byte sized memory references
7767 * m68k.c (output_move_qimode): Do not use byte sized operations on
7770 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7771 explicit rules for building. Similarly for alloca, vfprintf,
7772 choose-temp and mkstemp, getopt, getopt1, and obstack.
7773 (INCLUDES): Add $(srcdir)/../include.
7774 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7775 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7777 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7779 * gcc.c (do_spec_1): [case 'o'] Account for
7780 lang_specific_extra_outfiles.
7781 (main): Correctly clear all slots in outfiles for
7782 lang_specific_extra_outfiles. Set input_file_number before
7783 calling lang_specific_pre_link.
7785 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7787 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7789 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7791 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7793 (sparc_output_deferred_case_vectors): If no work to do, return.
7794 Fix thinko in Sept 1 change.
7796 1998-09-03 SL Baur <steve@altair.xemacs.org>
7798 * Makefile.in: add semicolon in BISON definition for portability.
7800 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7802 * config/nextstep.c (handle_pragma): Correct name of third
7805 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7807 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7808 * config/m32r/m32r.h: Make register 17 be fixed.
7809 * config/m32r/m32r.c: Use SImode for cc operations.
7811 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7813 * invoke.texi (Warning Options): Add -Wnon-template-friend
7816 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7818 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7820 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7822 * rs6000.md (movsf): Disable explicit secondary-reload-like
7823 functionality if TARGET_POWERPC64.
7824 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7827 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7829 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7830 and term.h from fixinc.wrap.
7832 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7834 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7835 safe to include both string.h and strings.h together.
7836 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7837 which headers to search for function declarations. Continue to
7838 prefer string.h over strings.h when both are not acceptable.
7840 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7842 * configure.in: Call GCC_HEADER_STRING.
7844 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7845 to include. Continue to prefer string.h over strings.h when both
7848 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7850 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7851 not assume top 32-bits of symbolic addresses are zero if
7854 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7856 * ginclude/va-alpha.h: Protect entire second portion of the
7857 file against double inclusion.
7859 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7861 Added support for the Boehm's garbage collector.
7862 * configure.in: Handle --enable-objc-gc.
7863 * configure: Rebuilt.
7864 * Makefile.in (CHECK_TARGETS): Add check-objc.
7865 (check-objc): New rule.
7866 * objc/Make-lang.in: Build a different Objective-C library that
7867 runs with the Boehm's collector.
7868 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7869 * objc/encoding.c: Correctly compute the size of compound types in
7870 the presence of bitfields. Skip the variable name of the type if
7871 any. Added support for long long.
7872 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7873 (_F_GCINVISIBLE): New mask.
7874 * objc/gc.c: New file. Compute the type memory mask associated with
7875 a class based on the runtime information.
7876 * objc/misc.c: Added the hooks that use the Boehm's collector
7877 allocation functions.
7878 * objc/objc-act.c (build_class_template): Generate a new class
7879 member (gc_object_type) to hold the class' type memory mask.
7880 (build_shared_structure_initializer): Initialize the new member to
7882 (encode_complete_bitfield): New function. Generate the new
7884 (encode_field_decl): Generate the new encoding only for the GNU
7886 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7888 (class_get_gc_object_type): New function to mark a pointer instance
7889 variable as a weak pointer.
7890 * objc/objc-features.texi: New file.
7891 * objc/objc.h (gc_object_type): New class member.
7892 * objc/objects.c (class_create_instance): Create a typed memory
7893 object when compiled with Boehm's collector support.
7894 * objc/sendmsg.c (__objc_init_install_dtable): Call
7895 __objc_send_initialize instead of setting the initialize flag.
7896 (__objc_send_initialize): Call __objc_generate_gc_type_description
7897 to generate the class type memory mask. Rewrite the code that
7898 sends the +initialize so that it is called only once (bug report
7899 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7900 * testsuite/objc: New testsuite for Objective-C type encoding.
7901 * testsuite/lib/objc-torture.exp: New file.
7902 * testsuite/lib/objc.exp: New file.
7904 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7906 * jump.c (jump_optimize): In if/then/else transformations, add
7907 another call to modified_between_p for the jump insn.
7909 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7911 * fix-header.c (symlink): Treat like readlink.
7913 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7915 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7918 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7920 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7921 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7922 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7924 * config/nextstep.c (handle_pragma): Take three arguments, as per
7925 the new HANDLE_PRAGMA macro specification.
7926 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7927 per the new HANDLE_PRAGMA macro specification.
7928 * config/i960/i960.c (process_pragma): Take three arguments, as
7929 per the new HANDLE_PRAGMA macro specification.
7931 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7933 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7934 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7935 if unknown pragmas are encountered.
7936 (handle_sysv_pragma): Interpret return code from
7937 handle_pragma_token (). Return success/failure indication rather
7938 than next unprocessed character.
7939 (pragma_getc): New function: retrieves characters from the
7940 input stream. Defined when HANDLE_PRAGMA is enabled.
7941 (pragma_ungetc): New function: replaces characters back into the
7942 input stream. Defined when HANDLE_PRAGMA is enabled.
7944 * c-pragma.c (handle_pragma_token): Return success/failure status
7947 * c-pragma.h: Change prototype of handle_pragma_token().
7949 * varasm.c: (handle_pragma_weak): Only create this function if
7950 HANDLE_PRAGMA_WEAK is defined.
7952 * c-common,c (decl_attributes): If defined call the expression
7953 contained within the INSERT_ATTRIBUTES macro before adding
7954 attributes to a decl.
7956 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7957 HANDLE_PRAGMA, which takes three arguments.
7958 (INSERT_ATTRIBUTES): Document this new macro.
7960 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7961 new INSERT_ATTRIBUTES macro.
7963 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7965 * config/sparc/sparc.md (movdf): Only generate special RTL for
7966 LABEL_REFs when PIC.
7967 (move_label_di): Remove
7968 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7969 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7970 references when PIC.
7971 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7972 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7973 output an .xword for all 64-bit cases.
7975 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7977 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7978 alignment, use FUNCTION_BOUNDARY instead.
7979 (sparc_output_deferred_case_vectors): Likewise.
7981 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7983 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7984 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7986 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7988 * alpha/va_list.h: New file.
7989 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7991 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7993 * NEWS: Add SCO Openserver and Unixware 7 notes.
7997 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7999 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
8000 (record_constant_1): Handle RANGE_EXPR.
8002 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
8004 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
8005 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
8006 and NOTE_INSN_RANGE_END specially.
8007 (reemit_notes): Likewise.
8009 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8011 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
8012 (ultrasparc_sched_init): Remove unneeded &.
8014 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8016 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
8017 for m68020-60, to prevent the use of fintrz.
8019 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
8021 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
8023 * Makefile.in: Likewise.
8024 * configure: Regenerated.
8026 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
8028 * configure.in (gxx_include_dir): Changed to
8029 '${prefix}/include/g++'-${libstdcxx_interface}.
8030 * configure: Rebuilt.
8032 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
8034 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
8036 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
8037 *sequences* *below* which scalar moves will be used.
8039 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
8041 * collect2.c (mktemp): Delete unused declaration.
8043 * config/xm-netbsd.h: Remove unnecessary file.
8044 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
8045 file anymore, it is not needed.
8047 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
8049 * convert.c (convert_to_integer): Issue an error on conversions to
8052 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
8054 * Makefile.in: Add lang_tree_files and gencheck.h.
8055 * configure.in: Generate them.
8056 * gencheck.c: Include gencheck.h.
8058 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8060 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
8061 movdi_lo_sum_pic and movdi_high_pic and make visible.
8062 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
8063 emit these when Pmode is not SImode.
8064 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
8066 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
8068 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
8069 .linkonce directive after the first time.
8071 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
8073 * m68k.md (beq0_di): Generate correct (and more efficient) code when
8074 the clobbered operand overlaps with an input.
8075 (bne0_di): Similarly.
8077 * Makefile.in (INSTALL): Remove "--no-header" argument.
8079 * NEWS: Various updates.
8081 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8083 * config/sparc/sparc.c (arith_operand, const64_operand,
8084 const64_high_operand, arith_double_4096_operand): Mark mode as
8086 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
8088 (sparc_emit_set_const64): Remove unused variable i.
8089 (sparc_splitdi_legitimate): Likewise for addr_part.
8090 (ultra_code_from_mask): Likewise for mask.
8091 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
8092 reverse return values so it matches usage and comments.
8093 (ultra_flush_pipeline): Likewise.
8094 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
8095 this_type, and allow loads and stores of differing FP modes as
8096 they do not create a conflict.
8097 (ultra_find_type): Initialize fpmode to SFmode, fix
8098 parenthesization thinkos in large conditional.
8099 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
8100 Init free_slot_mask after ultra_cur_hist is reset, not before.
8101 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
8102 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
8103 use ultra_flush_pipeline instead, then re-init group pointer.
8104 Fix statement with no effect. If no progress made in, and no
8105 instructions scheduled at all, advance to new pipeline cycle else
8106 we get into an endless loop.
8107 (ultrasparc_adjust_cost): Remove previous arg.
8108 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
8110 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
8112 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
8113 code. Use reg_overlap_mentioned_p to detect when source and
8114 destination overlap.
8115 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
8117 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
8119 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
8120 COMPARISON_VAL, into invariant_p.
8122 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8124 * regmove.c (regclass_compatible_p): New function.
8125 (regmove_optimize): Use it.
8127 Use NREGS parameter insted of calling max_reg_num.
8129 (fixup_match_1): Don't use code = MINUS when later tieing with
8130 a hard register is likely.
8132 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8134 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
8135 COMPARISON_VAL was normalized.
8137 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
8139 * loop.c (check_dbra_loop): The loop ending comparison value
8140 must be an invariant or we can not reverse the loop.
8142 * loop.c (scan_loop): Count down from max_reg_num - 1 to
8143 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
8145 (load_mems_and_recount_loop_regs_set): Likewise.
8147 * i386.c (print_operand): Remove obsolete 'c' docs.
8149 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
8151 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
8152 * frame.c (init_object_mutex): New function.
8153 (init_object_mutex_once): Likewise.
8154 (find_fde): Call it.
8155 (__register_frame_info): Likewise.
8156 (__register_frame_info_table): Likewise.
8157 (__deregister_frame_info): Likewise.
8159 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
8161 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
8163 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8165 * loop.c (check_dbra_loop): Enable code for reversal
8166 of some loops without a known constant loop end.
8168 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
8170 * haifa-sched.c (last_clock_var): New.
8171 (schedule_block): Initialize it.
8172 (schedule_insn): Use it to fill insn modes with issue information.
8174 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
8175 Tag trapb and next insn with TImode.
8176 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
8177 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
8178 Invoke alphaev5_align_insns as appropriate.
8179 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
8180 (MD_SCHED_VARIABLE_ISSUE): New.
8181 * alpha.md (attr type): Add multi.
8182 (define_asm_attributes): New.
8183 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
8184 (arg_home): Likewise.
8185 (fnop, unop, realign): New.
8187 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
8189 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
8190 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
8192 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
8193 (rs6000-ibm-aix4.[12]*): Likewise.
8194 * configure: Regnerate.
8196 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
8198 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
8199 already contains the return address.
8201 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
8203 * calls.c (expand_call): Use bitfield instructions to extract/deposit
8204 word sized hunks when loading unaligned args into registers.
8206 * haifa-sched.c (sched_analyze_insn): Only create scheduling
8207 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
8209 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
8211 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8213 * loop.c (check_dbra_loop): Add some code that would allow reversal
8214 of some loops without a known constant loop end if it were enabled.
8216 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
8218 * mips.md (lshrsi3_internal2+2): Fix type-o.
8220 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8222 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
8223 correctly with regards to stdio.h.
8225 * calls.c: Remove stdarg.h/varargs.h.
8228 * combine.c: Likewise.
8229 * cpperror.c: Likewise.
8230 * cpplib.c: Likewise.
8231 * cpplib.h: Likewise.
8232 * doprint.c: Likewise.
8233 * emit-rtl.c: Likewise.
8234 * final.c: Likewise.
8235 * fix-header.c: Likewise.
8237 * genattr.c: Likewise.
8238 * genattrtab.c: Likewise.
8239 * gencodes.c: Likewise.
8240 * genconfig.c: Likewise.
8241 * genemit.c: Likewise.
8242 * genextract.c: Likewise.
8243 * genflags.c: Likewise.
8244 * genopinit.c: Likewise.
8245 * genoutput.c: Likewise.
8246 * genpeep.c: Likewise.
8247 * genrecog.c: Likewise.
8248 * mips-tfile.c: Likewise.
8249 * prefix.c: Likewise.
8250 * protoize.c: Likewise.
8251 * regmove.c: Likewise.
8252 * toplev.c: Likewise.
8255 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8257 * config/sparc/sparc.c (sparc_override_options): If not
8258 TARGET_FPU, turn off TARGET_VIS.
8259 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
8260 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
8261 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
8262 (movdi_insn_sp64): Add VIS fzero alternative.
8263 (clear_sf, clear_df): New VIS patterns.
8264 (movsf, movdf expanders): Allow fp_zero_operand flat out when
8266 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
8268 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
8270 * loop.c (n_times_set, n_times_used, may_not_optimize,
8271 reg_single_usage): Convert to varrays. All uses changed.
8272 (insert_loop_mem): Return a value.
8273 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
8274 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
8277 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
8280 * configure.in: Do not set thread_file to "irix" since no such
8283 * sparc.md (float abs/neg splits): Check reload_completed before
8284 calling alter_subreg.
8286 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8288 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
8290 * config/sparc/sparc.h: Declare it.
8291 * config/sparc/sparc.md (float abs/neg splits): Use it.
8292 (all other splits): Handle SUBREGs properly where necessary.
8293 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8295 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8297 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8298 an insn on the unfilled_slots_list that has no delay slots.
8299 (fill_eager_delay_slots): Similarly.
8301 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8303 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8304 as an ordinary operand.
8306 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8308 * tree.c (valid_machine_attribute): Don't apply attributes to both
8311 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8313 * reload.c (operands_match_p): Handle rtvecs.
8315 * i386.c (legitimate_pic_address_disp_p): New.
8316 (legitimate_address_p): Use it.
8317 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8318 Handle constant pool symbols just like statics.
8319 (emit_pic_move): Use Pmode not SImode for clarity.
8320 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8321 [UNSPEC]: New, handling what we killed above.
8322 [PLUS]: Detect and abort on invalid symbol arithmetic.
8323 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8325 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8327 * alias.c: Include output.h.
8328 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8329 different if we're in a varargs function.
8330 * Makefile.in (alias.o): Depend on output.h
8332 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8334 * sh.h (GIV_SORT_CRITERION): Delete.
8336 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8338 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8339 * stupid.c (stupid_life_analysis): Ditto.
8340 * reload1.c (reload): Ditto.
8342 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8344 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8345 arith_double_4096_operand, arith_double_add_operand): New
8347 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8348 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8349 them to transform add/sub 4096 into add/sub -4096.
8351 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8353 * loop.c (scan_loop): Allocate some slop to handle pseudos
8354 generated by move_movables.
8355 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8358 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8360 * tree.def (DECL_RESULT): Correct documentation.
8362 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8364 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8365 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8366 conflicts will all RELOAD_FOR_OUTPUT reloads.
8368 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8369 loads the function result, substitute with a USE.
8371 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8373 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8374 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8375 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8376 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8377 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8378 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8380 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8381 'o' to 'm' for GPR variant constraints.
8383 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8385 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8387 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8389 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8390 when the source and destination overlap.
8392 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8393 clash with global type.
8395 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8397 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8399 * c-common.c (combine_strings): Also set TREE_READONLY.
8400 Change warn_write_strings to flag_const_strings.
8401 * c-decl.c, c-tree.h: Likewise.
8403 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8405 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8406 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8407 sequence, use SET/IOR instead so CSE can see it.
8408 * config/sparc/sparc.md (movhi_const64_special,
8409 movsi_const64_special): New patterns necessitated by that change.
8410 (movhi_high): Remove.
8411 (movhi_lo_sum): Change to match an IOR.
8412 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8413 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8414 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8415 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8416 registers are involved.
8417 (snesi_zero_extend split): Remove reload_completed test.
8418 (unnamed plus and minus zero_extend sidi splits): Add it.
8420 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8422 * extend.texi: Remove description of extension to explicit
8423 instantiation that is now endorsed by standard C++.
8425 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8427 * config/arc/arc.c (arc_initialize_pic): Remove.
8428 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8429 nothing on any platform and is invoked by no-one, it does not even
8430 appear in the documentation.
8431 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8432 * config/sparc/sparc.c (initialize_pic): Likewise.
8433 (find_addr_reg): Remove this as well, no longer referenced after
8436 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8438 * recog.c (validate_replace_rtx_group): New function.
8439 * recog.h (validate_replace_rtx_group): Declare it.
8440 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8441 the entire group of substitutions.
8443 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8445 * loop.c (load_mems): Fix initializers.
8447 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8449 * config/sparc/sparc.md (TFmode splits): Handle destination
8450 registers being referenced in the address correctly.
8452 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8453 TREE_UNSIGNED, when bitsize of type's mode is larger than
8454 HOST_BITS_PER_WIDE_INT.
8456 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8458 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8459 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8460 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8462 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8465 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8467 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8468 * h8300.h (TINY_DATA_NAME_P): Likewise.
8469 (STRIP_NAME_ENCODING): Handle '&'.
8471 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8472 register (it could be accessed via an outer SUBREG).
8473 (REG_OK_FOR_BASE_P): Likewwise.
8474 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8476 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8479 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8481 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8483 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8484 must be offsettable so the splits can be made.
8486 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8488 * config/i386/winnt.c: Include system.h, not stdio.h to get
8489 sys/param.h pulled in before rtl.h in case the system defines MIN
8492 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8494 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8496 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8498 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8500 * cpplib.c (cpp_define): Handle macros with parameters.
8502 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8504 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8505 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8506 and DImode 64-bit. Use llong for minimal-toc SFmode and
8507 SYMBOL_REF / LABEL_REF 64-bit.
8508 (output_function_profiler): Use llong for profiler label and ld to
8509 load 64-bit label address.
8511 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8513 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8516 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8518 * version.c: Bump for snapshot.
8520 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8522 * version.c: Bump for snapshot.
8524 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8526 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8528 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8530 * tm.texi (Misc): Fix typo "teh".
8532 * tm.texi (PIC): Fix typo "PPIC".
8534 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8535 effect when -O2 and higher.
8536 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8538 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8540 * regclass.c: Changed register set documentation to be consistent
8543 * final.c (final_start_function) Removed redundant test for
8546 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8548 * rtl.h (rtx_function): New type.
8549 (for_each_rtx): New function.
8550 * rtlanal.c (for_each_rtx): Define it.
8552 * recog.c (change_t): New type.
8553 (change_objects, change_old_codes, change_locs, change_olds):
8555 (changes): New variable.
8556 (validate_change): Dynamically allocate room for more changes, if
8557 necessary. Uses changes array instead of change_objects, etc.
8558 (apply_change_group): Use changes array instead of
8559 change_objects, etc.
8561 * loop.c (loop_mem_info): New type.
8562 (loop_mems): New variable.
8563 (loop_mems_idx): Likewise.
8564 (looop_mems_allocated): Likewise.
8565 (scan_loop): Remove nregs parameter.
8566 (next_insn_in_loop): New function.
8567 (load_mems_and_recount_loop_regs_set): Likewise.
8568 (load_mems): Likewise.
8569 (insert_loop_mem): Likewise.
8570 (replace_loop_mem): Likewise.
8571 (replace_label): Likewise.
8572 (INSN_IN_RANGE_P): New macro.
8573 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8574 (scan_loop): Remove nregs parameter, compute it after any new
8575 registers are created by load_mems. Use INSN_IN_RANGE_P and
8576 next_insn_in_loop rather than expanding them inline. Call
8577 load_mems to load memory into pseudos, if appropriate.
8578 (prescan_loop): Figure out whether or not there are jumps from the
8579 loop to targets other than the label immediately following the
8580 loop. Call insert_loop_mem to notice all the MEMs used in the
8581 loop, if it could be safe to pull MEMs into REGs for the duration
8583 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8585 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8587 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8589 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8591 * config/sparc/sparc.c (finalize_pic): Check for the correct
8592 nonlocal_goto_receiver UNSPEC number.
8593 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8594 making note of this dependency existing in sparc.c
8595 (negtf2_notv9 split): Give NEG SFmode.
8596 (negsf2): Fix insn output string.
8598 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8600 * c-common.c (decl_attributes): Issue an error if the argument
8601 to alias is not a string.
8603 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8605 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8606 pending memory flush list.
8608 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8610 (try_combine): Allow combining insns with REG_LIBCALL notes.
8612 * expr.c (emit_block_move): Do not call memcpy as a libcall
8613 instead build up a CALL_EXPR and call it like any other
8615 (clear_storage): Similarly for memset.
8617 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8620 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8623 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8624 and REG_LIVE_LENGTH as successful substitutions are made.
8626 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8628 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8629 statement after end of loop label.
8631 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8633 * config/sparc/sparc.c (ultra_types_avail): New variable.
8634 (ultra_build_types_avail): New function to record mask of insn
8635 types in ready list at this cycle.
8636 (ultrasparc_sched_reorder): Call it.
8637 (ultra_find_type): Use it to quicken the search. Also simplif
8638 dependency check, don't use rtx_equal_p because we know exactly
8639 what we are looking for.
8641 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8643 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8644 for architecture v4.
8646 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8648 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8650 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8651 movdf_const_intreg and helper splits): New patterns to move float
8652 constants into integer registers.
8653 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8656 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8659 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8661 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8663 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8664 a BASE_REGS register is needed as an intermediate when copying
8665 a symbolic value into any register class other than BASE_REGS.
8667 * expr.c (move_by_pieces): No longer static. Remove prototype.
8668 * rtl.h (move_by_pieces): Add extern prototype.
8669 * mips.c (expand_block_move): Handle aligned straight line copy by
8670 calling move_by_pieces.
8672 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8675 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8677 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8678 jumps out of the loop to be treated as part of the exit test.
8680 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8681 Jeff Law <law@cygnus.com>
8683 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8684 * cplus-dem.c: Delete.
8686 * Makefile.in (fold-const.o): depend on $(RTL_H).
8688 * fold-const.c: Include rtl.h to get the prototype for
8689 `set_identifier_local_value'.
8691 * loop.c (express_from_1): Remove unused variable `tmp'.
8692 (combine_givs): cast the first argument of bzero to char *.
8694 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8696 * c-decl.c (init_decl_processing): Remove unneeded &.
8698 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8700 * except.c (set_exception_lang_code, set_exception_version_code):
8701 Change parameter from `short' to `int' to avoid using a gcc
8704 * except.h (set_exception_lang_code, set_exception_version_code):
8705 Likewise for prototypes.
8707 * flow.c (count_reg_references): Remove unused variables `regno'
8710 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8712 * prefix.c (translate_name): Cast the result of `alloca'.
8714 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8716 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8718 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8720 (valid_dbcc_comparison_p): Mark mode argument as unused.
8721 (symbolic_operand): Likewise.
8722 (legitimize_pic_address): Likewise.
8723 (const_uint32_operand): Likewise.
8724 (const_sint32_operand): Likewise.
8725 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8726 schedule_insns and comment out rest of file.
8728 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8730 (output_move_[hq]imode): Likewise.
8732 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8734 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8735 * invoke.texi: Corresponding changes.
8737 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8739 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8741 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8743 * config/sparc/sparc.c (ultra_code_from_mask,
8744 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8745 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8746 ultrasparc_sched_init, ultrasparc_variable_issue,
8747 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8748 functions to describe UltraSPARC pipeline exactly to Haifa.
8749 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8750 as there is nothing the scheduler can do about it. Indicate that
8751 REG_DEP_OUTPUT's collide. Fixup formatting.
8752 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8753 divide costs on Ultra for DImode.
8754 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8756 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8757 ieuN and add call_no_delay_slot to type list.
8758 (cti function unit): New unit for branches on UltraSPARC.
8759 (subx/addx insns): Set type to misc.
8760 (sidi zero/sign extension insns on arch64): Set type to shift.
8761 (sign_extendhidi2_insn): Set type to sload.
8763 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8765 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8766 (output_epilog): Use if != 0 for offset.
8767 (rs6000_fatal_bad_address): Prepare for Intl.
8768 * rs6000.h (rs6000_fatal_bad_address): Declare.
8769 * rs6000.md (movsfcc, movdfcc): Use else if.
8770 (elf_high): Use {liu|lis}.
8771 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8772 (movsi): Use rs6000_fatal_bad_address.
8774 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8776 * reload.c (find_equiv_reg): Reject equivalences separated
8777 by a volatile instruction.
8779 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8781 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8783 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8785 * alpha.md (movsicc): Fix mode mismatch.
8787 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8789 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8791 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8793 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8795 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8796 write-only modifier from operand 1 constraint.
8798 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8800 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8801 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8803 (sparc_emit_set_const64): Likewise, also when computing trailing
8804 bits do not negate low_bits and make fast_int an int.
8806 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8808 * loop.c (add_label_notes): Do not ignore references to labels
8809 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8810 * gcse.c (add_label_notes): Similarly.
8812 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8814 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8815 (adddi_dishl32): Similarly.
8817 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8819 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8820 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8821 * cse.c (cse_basic_block): Add parens to shut up warnings.
8823 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8825 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8826 sparc_emit_set_const64_longway, const64_is_2insns,
8827 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8828 in 64-bit constant formation.
8829 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8830 rtl for addx not subx.
8831 (define_insn movdi_const64_special): Make available even when
8832 HOST_BITS_PER_WIDE_INT is not 64.
8833 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8834 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8835 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8836 instances of operand 1 inside a QI subreg.
8837 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8838 (one_cmpldi2_sp64): Fix output string.
8839 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8841 (unnamed arch64 ashift DI): Truncate shift count if greater than
8844 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8846 * expr.c (store_expr): Don't optimize away load-store pair
8847 when either source or destination have a side effect.
8849 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8851 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8852 operands of SET are incompatible.
8854 * alpha.md: Fix max and min patterns so modes of SET operands match.
8856 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8858 * configure.in: Avoid [[ by using test and changequote.
8859 * configure: Rebuild.
8861 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8863 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8865 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8866 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8867 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8868 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8869 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8870 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8871 Fix mismatching modes in SET operands.
8872 (conditional move patterns): Fix formatting.
8873 (unnamed subx arch64 pattern): Remove duplicate insn.
8875 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8877 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8878 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8879 (input_operand): Fixup test for what we accept for constant
8881 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8883 (safe_constDI): Remove.
8884 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8885 gen_safe_XOR64): New functions.
8886 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8887 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8889 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8890 available when HOST_BITS_PER_WIDE_INT is not 64.
8891 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8892 move before movdi_insn_sp64 pattern.
8893 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8894 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8895 symbolic_operand as predicate for second operand.
8896 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8897 expander): Give set VOIDmode.
8899 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8901 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8903 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8905 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8907 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8909 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8911 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8913 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8915 * install.texi: Various SCO OpenServer tweaks.
8917 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8919 * reload1.c (eliminate_regs_in_insn): Handle another case when
8920 eliminating the frame pointer to the hard frame pointer. Add
8921 missing ep->to_rtx check to one existing case.
8923 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8925 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8927 * tree.h: De-conditionalize init_priority code.
8929 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8930 * collect2.c (NM_FLAGS): Change from -p to -n.
8932 * configure.in: Turn on collect2 for mipstx39-elf.
8933 Handle use_collect2=no properly.
8935 * c-common.c: De-conditionalize init_priority code.
8936 * collect2.c (extract_init_priority, sort_ids): New fns.
8937 (main): Call sort_ids.
8938 Move sequence_number to file scope.
8940 * configure.in: Handle --enable-init-priority.
8941 * c-common.c (attrs): Add A_INIT_PRIORITY.
8942 (init_attributes, decl_attributes): Likewise.
8943 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8944 * tree.c (get_file_function_name_long): Split out...
8945 (get_file_function_name): ...from here.
8947 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8949 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8952 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8954 * toplev.c (display_help): Add braces to shut up warnings.
8955 * tree.c (simple_cst_equal): Likewise.
8957 * fold-const.c (non_lvalue): Don't deal with null pointer
8959 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8961 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8962 of any size to a pointer.
8964 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8966 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8968 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8970 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8971 which will be saved.
8972 * mn10300.md (prologue insn): Only save registers which need saving.
8973 (epilogue insn): Similarly.
8975 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8978 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8980 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8981 VAR_DECL's in gp addressable sections.
8983 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8985 * sparc.c: Change return <exp> to <exp>; return; in functions
8987 * sparc.md: Add empty semicolon statement after final label in
8990 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8992 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8993 addx_extend_sp64, only allow when TARGET_ARCH64.
8994 (define_insn addx_extend_sp32 and split): Version that works when
8996 (define_insn subx_extend): Likewise.
8997 (define_split adddi3 and subdi3 with zero extension): Fixup and
8998 correct bugs when not TARGET_ARCH64.
9000 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
9002 * except.c (set_exception_lang_code, set_exception_version_code):
9003 Use prototype-style definition if __STDC__, to match declaration
9006 * genemit.c: Change FAIL and DONE macros not to use loops.
9008 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
9010 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
9011 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
9013 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
9015 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
9017 * README.g77: Update from Craig.
9019 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9021 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
9023 (safe_constDI sparc_emit_set_const64_quick1,
9024 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9025 analyze_64bit_constant, const64_is_2insns,
9026 create_simple_focus_bits): Fix some bugs when compiled on real
9028 (function_arg_record_value_3, function_arg_record_value_2,
9029 function_arg_record_value): Add fully prototyped forward decls.
9030 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
9031 to cmpsi_insn and use on both 64 and 32 bit targets.
9032 (define_insn cmpsi_insn_sp64): Remove.
9033 (define_expand zero_extendsidi2): Allow for 32-bit target too.
9034 (define_insn zero_extendsidi2_insn): Rename to
9035 zero_extendsidi2_insn_sp64.
9036 (define_insn zero_extendsidi2_insn_sp32): New pattern and
9037 assosciated forced split for it.
9039 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9041 * config/sparc/sparc.h: Declare them.
9042 (PREDICATE_CODES): Add them.
9043 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
9044 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
9046 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
9048 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
9049 in v9 case as the latter makes the Solaris assembler crash.
9051 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9053 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
9054 for TFmode when !v9. We require offsettable memory addresses.
9055 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
9056 DFmode register number conversions.
9057 * config/sparc/sparc.md (define_split DFmode moves): If register
9058 is a SUBREG do alter_subreg on it before using.
9059 (define_expand movtf): Fixup comment about alignment on v9.
9060 (define_split TFmode moves): Don't use gen_{high,low}part, create
9061 explicit SUBREGs instead.
9063 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
9065 * Makefile.in (mbchar.o): Depend on mbchar.c.
9067 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9068 Richard Henderson <rth@cygnus.com>
9070 Rewrite Sparc backend for better code generation and
9071 improved sparc64 support.
9072 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
9074 * config/sparc/sysv4.h: Likewise.
9075 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
9076 move_operand, v8plus_regcmp_op, emit_move_sequence,
9077 singlemove_string, doublemove_string, mem_aligned_8,
9078 output_move_double, output_move_quad, output_fp_move_double,
9079 move_quad_direction, output_fp_move_quad, output_scc_insn):
9081 (small_int_or_double): New predicate.
9082 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
9083 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
9084 old pic_{sethi,lo_sum}_si patterns.
9085 (mem_min_alignment): New generic function to replace
9086 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
9087 available and can test for arbitrary alignments. All callers
9089 (save_regs, restore_regs, build_big_number,
9090 output_function_prologue, output_cbranch, output_return,
9091 sparc_flat_save_restore, sparc_flat_output_function_prologue,
9092 sparc_flat_output_function_epilogue): Prettify
9094 (output_function_epilogue): Likewise and add code to output
9095 deferred case vectors.
9096 (output_v9branch): Likewise, add new arg INSN and use it to tack
9097 on branch prediction settings. All callers changed.
9098 (print_operand): Likewise and output %l44 for LO_SUMs when
9100 (sparc_splitdi_legitimate): New function to make sure DImode
9101 splits can be run properly when !arch64.
9102 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
9103 Reformat example code in comments.
9104 (set_extends): Remove UNSPEC/v8plus_clear_high case.
9105 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
9106 of deferred case vectors we need to output.
9107 (sparc_defer_case_vector): Record a case vector.
9108 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
9109 sparc_output_deferred_case_vectors): New functions to output them.
9110 (sparc_emit_set_const32): New function to form 32-bit constants in
9111 registers when that requires more than one instruction.
9112 (safe_constDI, sparc_emit_set_const64_quick1,
9113 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9114 analyze_64bit_constant, const64_is_2insns,
9115 create_simple_focus_bits, sparc_emit_set_const64): New functions
9116 which do the same for 64-bit constants when arch64.
9117 (sparc_emit_set_symbolic_const64): New function to emit address
9118 loading for all code models on v9.
9119 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
9120 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
9121 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
9122 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
9123 inaccuracies in comments, add symbolic and text_segment operands
9124 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
9125 GENERAL_REGS in these cases as a temp REG is needed to load these
9126 addresses into a register properly.
9127 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
9129 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
9130 quads are guarenteed to have 16-byte alignment.
9131 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
9132 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
9133 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
9134 deferred case vector implementation.
9135 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
9136 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
9137 Generate "internal label - label" instead of "label - 1b".
9138 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
9139 (PREDICATE_CODES): Remove sparc_operand, move_operand,
9140 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
9142 (doublemove_string, output_block_move, output_fp_move_double,
9143 output_fp_move_quad, output_move_double, output_move_quad,
9144 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
9145 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
9146 (sparc_emit_set_const32, sparc_emit_set_const64,
9147 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
9148 mem_min_alignment, small_int_or_double): Add externs.
9149 * config/sparc/sparc.md: Document the many uses of UNSPEC and
9150 UNSPEC_VOLATILE in this backend.
9151 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
9152 unary to types which execute in it.
9153 (define_function_unit ieu_shift): Rename to ieu0.
9154 (define_function_unit ieu1): New, executes compare, call, and
9155 uncond_branch type insns.
9156 (define_function_units for type fdivs, fdivd, fsqrt): These
9157 execute in the fpu multiply unit not the adder on UltraSparc.
9158 (define_expand cmpdi): Disallow TARGET_V8PLUS.
9159 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
9160 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
9161 allows the arith_double_operand predicate and rHI constraint when
9163 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
9164 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
9165 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
9166 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
9167 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
9168 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
9169 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
9170 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
9171 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
9172 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
9173 sign_extendqihi2_insn, sign_extendqisi2_insn,
9174 sign_extendqidi2_insn, sign_extendhidi2_insn,
9175 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
9176 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
9177 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
9178 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
9179 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
9180 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
9181 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
9182 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
9183 smulsi3_highpart_v8plus, unnamed subreg mult,
9184 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
9185 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
9186 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
9187 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
9188 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
9189 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
9190 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
9191 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
9192 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
9193 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9194 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
9195 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
9196 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
9197 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
9198 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
9199 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
9200 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
9201 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
9202 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
9203 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
9204 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
9205 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
9206 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
9207 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
9208 call_address_untyped_struct_value_sp32,
9209 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
9210 call_value_symbolic_sp32, call_value_address_sp64,
9211 call_value_symbolic_sp64, branch_sp32, branch_sp64,
9212 flush_register_windows, goto_handler_and_restore,
9213 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
9214 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
9215 return_addsi, return_di, return_adddi, return_sf, all call+jump
9216 peepholes, trap, unnamed trap insns): Prettify output strings.
9217 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
9218 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
9219 Likewise and force + implement splits for integer cases.
9220 (define_insn return_sf_no_fpu): Likewise and allow to match when
9221 no-fpu because of our subreg SFmode splits.
9222 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
9223 zero_extendqidi2_insn, zero_extendhidi2_insn,
9224 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
9225 input_operand for second operand.
9226 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
9227 reg_or_0_operand for operand 2 so new splits can use it.
9228 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
9229 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
9231 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
9232 CONST_DOUBLEs for operand 2.
9233 (define_insn move_label_di): Likewise and label distance
9234 optimization because it no longer works with new deferred case
9235 vector scheme. To be revisited.
9236 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
9237 and allow reg_or_0_operand and J constraint for second operand.
9238 (define_insn jump): Set branch predict taken on V9.
9239 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
9240 new deferred case vector scheme.
9241 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
9242 (define_insn negdi2_sp32): Force + implement splits.
9243 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
9244 one_cmplsi2_not_liveg0 respectively, and create expander of original
9245 names which emit special rtl for TARGET_LIVE_G0.
9246 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
9247 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
9248 gen_compare_reg, FAIL instead.
9249 (define_insn sgtu, sleu): Likewise and check gen_s*() return
9250 values when trying to reverse condition codes, if they FAIL then
9252 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
9253 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
9254 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
9255 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
9256 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
9257 set output string to # to indicate they are mandatory splits.
9258 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
9259 pic_sethi_di, move_pic_label_si): Remove.
9260 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
9261 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
9263 (define_expand movsi_pic_label_ref, define_insn
9264 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
9265 expander and insns to handle PIC label references and deferred
9267 (define_insn get_pc_via_rdpc): Comment out as it is no longer
9269 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
9270 Rewrite to not use emit_move_sequence, make use of new constant
9271 formation code, and new splits for all multi-insn cases.
9272 (define_insn movqi_insn): Remove sethi case, it can never happen.
9273 Use reg_or_zero_operand instead of const0_rtx explicit test,
9274 use input_operand instead of move_operand for source, and use
9275 general_operand now for dest.
9276 (define_insn movhi_insn): Similar but leave sethi case.
9277 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
9278 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
9279 movhi_lo_sum respectively, prettify output string.
9280 (define_insn movsi_zero_liveg0): New pattern to put zero into a
9281 register when needed on TARGET_LIVE_G0.
9282 (define_insn movsi_insn): Use general_operand and input_operand
9283 for dest and src respectively. Simplify applicability test.
9284 Prettify output strings, and add clr alternative for J
9286 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
9287 deprecated std and reg-reg DI moves): Remove and...
9288 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
9289 implementation which uses forced splits for all non-single insn
9291 (define_split DI move cases on !arch64): New splits to handle all
9292 situations of 64-bit double register DImode on 32bit, and
9293 unaligned registers and memory addresses for all subtargets.
9294 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9296 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9297 input_operand for dest and src respectively, prettify output
9299 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9300 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9302 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9303 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9304 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9305 movtf_no_e_insn_sp64) Replace with new
9306 implementation which uses forced splits for all non-single insn
9308 (define_split DF move cases): New splits in similar vein to DI
9310 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9311 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9312 movdi_sp64_insn): Remove old v9 code model and constant loading
9314 (define_insn pic_lo_sum_di, pic_sethi_di,
9315 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9316 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9317 embmedany_sethi, embmedany_losum, embmedany_brsum,
9318 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9319 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9320 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9321 scheme, using unspecs, secondary reloads, and one to one sparc
9322 insn to rtl insn mapping for better scheduling and code gen.
9323 (define_expand reload_indi, reload_outdi): Reload helpers for
9324 MEDANY and EMBMEDANY symbol address loading cases which require a
9326 (define_expand movsicc): Remove v8plus_regcmp cases.
9327 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9328 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9329 cmp_diqi_trunc_set): New patterns used by some of the new scc
9331 (define_insn xordi3_sp64_dbl): New pattern used for constant
9332 formation when crossing from 32-bit targets.
9333 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9335 (define_insn addx, subx): Make visible and prettify.
9336 (define_insn adddi3_insn_sp32): Likewise and force split.
9337 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9338 64bit scc split usage.
9339 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9340 zero_extend, subdi3): Force and implement splits.
9342 * final.c (final_scan_insn): Don't output labels if target
9343 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9346 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9347 don't forget to walk inside SEQUENCESs too as these are what the
9348 delay slot scheduler will create.
9350 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9352 * alpha.md (extxl+1,+2): New patterns to work around
9355 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9357 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9358 caused bad assembly code to be generated.
9360 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9362 * netbsd.h: Fix typo.
9364 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9366 * config.sub: Fix typo.
9368 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9370 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9372 (Running Protoize): Typo: Change "ther" into "other".
9374 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9376 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9377 * m68k/netbsd.h: Likewise.
9378 * ns32k/netbsd.h: Likewise.
9379 * sparc/netbsd.h: Likewise.
9381 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9383 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9384 * ginclude/va-clipper.h (va_list): Likewise.
9386 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9388 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9389 load/store multiple instructions unless user overrides.
9391 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9393 * ns32k/netbsd.h: Fix typo.
9395 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9397 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9398 labels with .debugsym if no parallel insns.
9400 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9402 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9403 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9405 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9407 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9408 (AR_FOR_TARGET): Define.
9410 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9412 * dyn-string.h: New file.
9413 * dyn-string.c: Likewise.
9414 * Makefile.in (OBJS): Add dyn-string.o.
9415 (dwarf2out.o): Add dyn-string.h dependency.
9416 (dyn-string.o): List dependencies.
9417 * dwarf2out.c: Include dyn-string.h.
9418 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9419 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9420 prototype. Use dyn_string_append rather than strcat, throughout.
9421 (addr_to_string): Use dyn_string_t.
9423 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9425 Function entry/exit profiling instrumentation:
9426 * expr.h (profile_function_entry_libfunc,
9427 profile_function_exit_libfunc): Declare new variables.
9428 * optabs.c: Define them here.
9429 (init_optabs): Initialize them.
9430 * tree.h (struct tree_decl): New flag
9431 no_instrument_function_entry_exit.
9432 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9433 * c-decl.c (duplicate_decls): Merge it.
9434 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9435 (init_attributes): Use it for "no_instrument_function".
9436 (decl_attributes): Handle it, for functions that have not yet been
9437 compiled. Set decl flag.
9438 * flags.h (flag_instrument_function_entry_exit): Declare new
9440 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9441 (f_options): New option "instrument-functions".
9442 * function.h (struct function): New field instrument_entry_exit.
9443 * function.c (current_function_instrument_entry_exit): New
9445 (push_function_context_to, pop_function_context_from): Save and
9447 (expand_function_start): Set current_ variable, maybe emit return
9448 label and entry profile call.
9449 (expand_function_end): Maybe emit exit profile call.
9451 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9453 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9454 NON_QI_REG_P, pretend the register is SImode.
9456 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9458 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9459 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9460 manufacturer id for ns32k.
9461 * configure: Regenerated.
9462 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9463 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9464 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9465 * config/m68k/netbsd.h: Same.
9466 * config/ns32k/netbsd.h: Same.
9467 * config/sparc/netbsd.h: Same.
9469 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9471 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9472 or UNROLL_COMPLETELY loop that starts with a jump to its
9475 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9477 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9478 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9479 (print_operand, case 'B'): Don't fall through.
9480 (print_operand, case 'S'): Correct mask begin/end computation.
9481 Use HOST_BITS_PER_WIDE_INT.
9482 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9483 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9484 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9485 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9487 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9489 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9490 constraint from second alternative.
9492 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9494 * configure.in: Fix --without/--disable cases for local-prefix,
9495 gxx-include-dir and checking.
9497 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9499 * configure.in (enable_haifa): Set by default for sparc64 too.
9502 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9504 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9505 * i386/winnt.c (associated_type): New fn.
9506 (i386_pe_valid_type_attribute_p): New fn.
9507 (i386_pe_check_vtable_importexport): Remove.
9508 (i386_pe_dllexport_p): Use associated_type.
9509 (i386_pe_dllimport_p): Likewise.
9511 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9512 * i386.c (i386_valid_type_attribute_p): Also accept
9513 attributes for METHOD_TYPEs.
9515 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9517 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9519 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9521 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9523 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9524 them from generating a new base name for each occurence of
9527 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9529 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9531 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9535 * cplus-dem.c (type_kind_t): New type.
9536 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9537 on this paramter, rather than demangling the type again.
9538 (demangle_integral_value): Pass tk_integral.
9539 (demangle_template_: Pass the value returned from do_type.
9540 (do_type): Return a type_kind_t. Pass tk_integral to
9541 demangle_template_value_parm for array bounds.
9542 (demangle_fund_type): Likewise.
9544 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9546 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9549 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9551 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9553 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9555 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9557 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9560 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9562 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9563 (DEBUGGER_ARG_OFFSET): Likewise.
9565 * mn10300.md (movsf): Remove last change. Not needed.
9567 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9569 * c-lex.c (yylex): Fix boundary conditions in character literal and
9570 string literal loops.
9572 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9574 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9575 being invoked incorrectly.
9577 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9578 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9580 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9581 * configure.in: Added i[34567]86-*-win32
9582 * config.sub: Ditto.
9583 * configure: Rebuilt.
9585 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9587 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9588 the frame pointer and compiling PIC code and reload has not completed.
9590 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9593 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9595 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9597 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9599 * Makefile.in (install-info): Only try to update the info
9600 directory file if it exists in the first place.
9602 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9604 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9606 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9608 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9609 CONST_DOUBLE source.
9611 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9613 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9614 strings as the insertion of USER_LABEL_PREFIX.
9615 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9617 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9620 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9622 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9623 already defined type.
9625 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9627 * expr.c (check_max_integer_computation_mode): Allow conversions
9628 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9629 (expand_expr): Likewise.
9631 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9633 * expr.c (expand_expr): Expand RETURN_EXPR.
9635 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9637 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9639 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9641 * dwarf2out.c (output_aranges): Call stripattributes
9642 for TEXT_SECTION references.
9643 (output_line_info): Likewise.
9645 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9647 * profile.c (branch_prob): Call allocate_reg_info after outputting
9648 profile rtl in instrument_arcs.
9650 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9652 * fixinc.irix (math.h): Install wrapper instead of copying.
9654 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9656 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9657 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9658 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9659 lang_flag_0. Added documentation in the flag table.
9661 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9663 * cccp.c (do_include): Fix vax c style include handling.
9665 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9667 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9669 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9671 * fold-const.c (non_lvalue): Don't deal with null pointer
9673 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9675 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9677 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9678 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9679 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9680 (u_short_cint_operand): Same.
9681 (reg_or_cint_operand): Same.
9682 (logical_operand): Same.
9683 (input_operand): Same.
9684 (reg_or_short_operand): Use u_short_cint_operand.
9686 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9688 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9689 but keep the insns and splits. Adjust so when the ultimate destination
9690 is memory, use cvtql.
9692 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9694 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9696 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9698 * gcc.c (do_spec): Call "error" not "warning".
9700 * configure.in: Fix minor problems with gas feature detection code.
9701 * configure: Rebuilt.
9703 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9706 * gcc.c: Delete %[spec] support.
9707 (do_spec_1, case '('): Likewise.
9708 (do_spec_1, case '['): Call error.
9710 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9712 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9713 (CPP_SUBTARGET_SPEC): Default to empty string.
9714 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9715 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9716 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9717 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9719 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9720 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9721 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9722 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9723 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9724 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9725 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9726 * alpha/vxworks.h: Likewise.
9728 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9730 * mips.md (reload_outsi): Added missing REGNO call.
9731 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9733 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9734 another match_operator and compare the codes.
9736 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9738 * MIPS multiply pattern fixes:
9739 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9740 Add union classes for HI, LO, or HILO plus general registers.
9741 (GENERATE_MADD): Deleted.
9742 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9743 Add TARGET_MAD to condition.
9744 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9745 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9746 "*d" for accumulator, to give preference to LO initially but not
9749 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9751 * configure.in (enable_c_mbchar): New configure option.
9752 (extra_cpp_objs): Always available now.
9754 * cexp.y (mbchar.h): #include it.
9755 (yylex): Handle Multibyte characters in character literals.
9757 * cccp.c (mbchar.h): #include it.
9758 (main): Set character set based on LANG environment variable.
9759 (rescan): Handle multibyte characters in comments.
9760 (skip_if_group): See above.
9761 (validate_else): See above.
9762 (skip_to_end_of_comment): See above.
9763 (macarg1): See above.
9764 (discard_comments): See above.
9765 (rescan): Handle multibyte characters in string and character literals.
9766 (collect_expansion): See above.
9767 (skip_quoted_string): See above.
9768 (macroexpand): See above.
9769 (macarg1): See above.
9770 (discard_comments): See above.
9771 (change_newlines): See above.
9773 * c-lex.c (mbchar.h): #include it.
9774 (GET_ENVIRONMENT): New macro.
9775 (init_lex): Set character set based on LANG environment variable.
9776 (yylex): Handle multibyte characters in character literals.
9777 (yylex): Handle multibyte characters in string literals.
9779 * Makefile.in (mbchar.o): New target.
9780 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9781 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9783 * mbchar.[ch]: New files for multibyte character handling.
9785 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9787 * jump.c (jump_optimize): When simplifying noop moves and
9788 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9789 the PUSHes to rewrite in second loop as we did in the first.
9791 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9793 * cplus-dem.c (demangle_nested_args): Make function definition
9794 static to match the prototype.
9796 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9798 * alloca.c: Respect USE_C_ALLOCA.
9799 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9800 * gengenrtl.c (xmalloc): Likewise.
9802 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9804 * loop.h (struct induction): Add no_const_addval.
9805 * loop.c (the_movables, reg_address_cost): New variables.
9806 (init_loop): Init reg_address_cost.
9807 (loop_optimize): Call end_alias_analysis.
9808 (scan_loop): Init the_movables.
9809 (record_giv): Init induction->no_const_addval.
9810 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9811 [REG]: Rearrange loop search test to catch more cases.
9812 (general_induction_var): Return success not benefit; take an extra
9813 argument for that. Change all callers.
9814 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9815 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9816 [default]: Search the_movables for additional combinations.
9817 (sge_plus_constant, sge_plus): New functions.
9818 (express_from_1): New function.
9819 (express_from): Always define. Rewrite using express_from_1.
9820 (combine_givs_p): Handle more cases. Ignore address cost.
9821 (cmp_combine_givs_stats): New function.
9822 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9823 (combine_givs): Rewrite to do best-fit combination.
9825 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9826 (fold): Do a complete (A*C)+(B*C) association check.
9828 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9830 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9832 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9834 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9836 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9838 * tree.c (valid_machine_attribute): Only create a new type variant if
9839 there is a decl to use it.
9841 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9843 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9846 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9848 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9851 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9853 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9854 Simplify tests for clearing an address register.
9855 (expand_prologue): Corresponding changes.
9857 * mn10300.md (movXX patterns): Make sure the destination is an
9858 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9859 (logical patterns): Split into expanders + patterns
9860 (zero and sign extension patterns): Similarly.
9861 (shift patterns): Similarly.
9863 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9865 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9866 for the sequence, recording base values.
9868 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9870 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9872 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9874 * gcc.c: Remove ANSI-C ism from --help code.
9876 * toplev.c: Support --help with USE_CPPLIB.
9878 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9880 * configure.in: Rework gas feature code to work with symlink based
9883 * extend.texi: Clarify some issues related to local variables
9884 assigned to explicit registers.
9886 * mn10300.md (mulsi): Turn into expander + pattern.
9888 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9891 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9893 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9895 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9897 * version.c: Bump again to distinguish mainline tree from the
9900 See ChangeLog.0 for earlier changes.
9903 add-log-time-format: current-time-string