1 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * loop.c (recombine_givs): Don't try to derive givs that have combined.
5 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
8 when declaring arguments and calling va_arg() to initialize them.
10 * collect2.c (notice): Likewise.
12 * loop.c (find_life_end): Use PROTO() macro in the prototype.
14 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16 * collect2.c (error): Fix typo in declaration.
18 * cpperror.c (cpp_message): Likewise.
20 * cpplib.c (cpp_warning): Likewise.
22 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
25 * toplev.c (error): Fix typo in declaration.
27 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
30 forward from cont dominator.
32 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
34 * cccp.c (eprint_string): Constify a char*.
35 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
36 (vnotice): Constify a char*.
37 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
38 (verror): Constify a char*.
39 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
40 (vwarning): Constify a char*.
41 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
43 (verror_with_line): Constify a char*.
44 (vwarning_with_line): Likewise.
45 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
47 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
49 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
50 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
51 Also correct typo in parameter name declaration.
52 (make_assertion): Constify a char*.
53 (quote_string_for_make): Likewise.
54 (deps_output): Likewise.
55 (fatal): Likewise. Use PVPROTO not VPROTO, add
56 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
57 "__attribute__ ((noreturn))".
58 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
59 (pfatal_with_name): Likewise.
60 (pipe_closed): Likewise.
61 (memory_full): Likewise.
63 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
65 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
66 may_not_optimize to proper size when converting biv increments
68 If necessary, reallocate reg_iv_type / reg_iv_info before calling
71 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
73 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
74 generate complex adds. Changed caller.
75 Don't generate adds that cost more than the original one.
76 (strength_reduce): Warning fixes.
78 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
80 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
83 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
85 * rtl.h (insn_first_p): Declare.
86 * rtlanal.c (insn_first_p): New function.
87 * loop.h (varray.h): Include.
88 (struct induction): Change combined_with to unsigned.
89 New members derived, ix and last_use.
90 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
91 (REG_IV_TYPE, REG_IV_INFO): Define.
92 (first_increment_giv, last_increment_giv): Declare.
93 * loop.c (loop_number_loop_cont): New static variable.
94 (loop_number_cont_dominator): Likewise.
95 (reg_iv_type, reg_iv_info): Now varray_type.
96 (first_increment_giv, last_increment_giv): New variables.
97 (compute_luids, verify_dominator, find_life_end): New functions.
98 (cmp_recombine_givs_stats, recombine_givs): Likewise.
99 (loop_optimize): Allocate loop_number_loop_cont and
100 loop_number_cont_dominator. Use compute_luids.
101 (find_and_verify_loops): Initialize loop_number_loop_cont and
102 loop_number_cont_dominator.
103 (strength_reduce): Try to find bivs that can be expressed as givs
104 of another biv, and to convert biv increments into givs.
105 Call recombine_givs. Handle derived givs.
106 (record_biv): New argument location. All callers changed.
107 (record_giv): Initialize derived and last_use fields.
108 (basic_induction_var): New argument location. All callers changed.
109 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
110 Increment combined_with instead of setting to 1.
111 * unroll.c (derived_regs): New static variable.
112 (unroll_loop): Initialize it.
113 Allocate local_regno according to max_reg_num.
114 (copy_loop_body): Cope with derived givs.
115 (find_splittable_givs): Check for Givs made from biv increments.
116 Set derived_regs for givs.
117 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
119 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
121 * function.c (purge_addressof_1): Handle case when a register
122 has been used in a wider mode.
124 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
126 * cpplib.h (cpp_notice): Add prototype.
128 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
130 * Merge gcc2 snapshot 19980929.
132 * cccp.c (PRINTF_PROTO): Remove.
133 (PRINTF_PROTO_{1,2,3,4}: Likewise.
135 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
137 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
138 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
139 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
141 * gen-protos.c (hashf): Delete in cpphash.o
142 * gen-protos.c (hashf): Delete in cpphash.o
144 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
145 * expmed.c: Likewise.
146 * rs6000.md: Likewise.
148 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
150 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
152 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
153 * rs6000.md (movsi, movdi): Likewise.
155 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
157 * function.c (expand_function_end): Pass arg_pointer_save_area to
158 validize_mem before using it. Emit code into a sequence.
160 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
162 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
163 '#' to split patterns. Correct indentation of some new patterns.
165 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
167 * cppfiles.c (safe_read): Deleted.
168 (read_and_prescan): New function, replaces safe_read, converts
169 and/or warns about trigraphs, silently converts odd line
170 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
171 (finclude): Use read_and_prescan; turn off nonblocking mode on
172 the input descriptor; remove file-size-examination and
173 no-newline-at-EOF gunk which is longer necessary; be more
174 careful about checking that we've been handed a legitimate
175 file to read (only real files, pipes, and ttys are acceptable).
176 * cpplib.h (cpp_options): Rename no_trigraphs flag to
177 `trigraphs' and invert its sense.
178 (trigraph_table): Declare.
179 (cpp_warning_with_line): Prototype.
180 * cpplib.c: Remove all references to trigraph_pcp. Define
181 trigraph_table; initialize it in initialize_char_syntax. Open
182 files in nonblocking mode. s/no_trigraphs/trigraphs/
183 throughout, and invert sense. Put cpp_warning_with_line back
186 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
188 * config/c4x/c4x.h (COUNTER_REGS): New register class.
189 * config/c4x/c4x.md (*rptb_init): Change constraints.
190 (rptb_end): Emit alternate looping instructions if
191 RC register not allocated for loop counter.
192 (decrement_and_branch_on_count): Allow other registers
195 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
197 * cppexp.c (struct arglist): Removed.
198 (parse_number): Use HOST_WIDE_INT for the accumulator.
199 Allow two `l' suffixes unless C89. Clean up. Make static.
200 (parse_charconst): New function broken out of cpp_lex.
201 Code cleaned up drastically. Don't use a token_buffer.
202 (token_buffer): Removed.
203 (cpp_lex): Don't call parse_number on a constant string.
205 (cpp_parse_expr): Properly handle an ERROR op returned by
208 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
210 * cpplib.c: Don't include signal.h, sys/times.h, or
211 sys/resource.h. Don't declare localtime.
212 (macroexpand): Handle special symbols here.
213 (push_macro_expansion): Chop off the trailing '@ ' if possible
215 (cpp_get_token): Don't do either of the above two things here.
216 Move `string' label just after case '"' so that wide strings
217 don't crash the preprocessor.
219 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
221 * rs6000.md (left shift + set cr patterns): Add missing '#' to
223 (move register + set cr pattern): Ditto.
224 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
225 inadvertently deleted.
227 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
229 * stmt.c (stmt_loop_nest_empty): New function.
230 * tree.h (stmt_loop_nest_empty): Declare it.
231 * rtl.def (CALL_PLACEHOLDER): New rtx code.
233 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
235 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
237 (c4x_check_legit_addr): Remove USE and PLUS, allow
238 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
239 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
240 CONST cases. Add LO_SUM.
241 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
242 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
243 (c4x_print_operand_address): Handle LO_SUM.
244 (c4x_scan_for_ldp): Delete. Hooray!
245 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
247 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
249 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
251 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
253 (c4x_U_constraint, symbolic_operand): New functions.
254 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
255 disable SYMBOL_REF, LABEL_REF, and CONST.
256 (lsrc_operand, tsrc_operand): Call src_operand instead of
258 (c4x_operand_subword): Update comments.
260 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
261 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
262 plus HIGH and LO_SUM for the C40.
263 (ENCODE_SECTION_INFO): Define macro.
264 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
266 (PREDICATE_CODES): Add symbolic_operand.
268 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
269 c4x_emit_move_sequence.
270 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
271 to avoid symbol references.
272 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
273 (set_high): Renamed from set_high_use.
274 (set_lo_sum): Renamed from set_ior_lo_use.
275 (all call patterns): Make MEM explicit in call address operands.
276 Modified output templates to use 'U' modifier.
278 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
280 * version.c: Bump for snapshot.
282 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * final.c (bb_str): Qualify a char* with the keyword `const'.
285 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
287 * fix-header.c (read_scan_file): Likewise.
289 * genoutput.c (output_epilogue, process_template): Likewise.
291 * local-alloc.c (requires_inout, block_alloc): Likewise.
293 * output.h (output_asm_insn, assemble_string): Likewise.
295 * recog.c (recog_constraints, check_asm_operands,
296 decode_asm_operands, extract_insn, preprocess_constraints,
297 constrain_operands): Likewise.
299 * recog.h (operand_alternative, recog_constraints, insn_template,
300 insn_outfun, insn_operand_constraint, insn_name): Likewise.
302 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
304 * regmove.c (find_matches): Likewise.
306 * reload.c (alternative_allows_memconst): Likewise.
308 * reload1.c (constraint_accepts_reg_p,
309 reload_cse_simplify_operands): Likewise.
311 * rtl.h (decode_asm_operands): Likewise.
313 * scan.h (fn_decl): Likewise.
315 * varasm.c (assemble_string): Likewise.
317 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
319 * configure.in (gcc_tooldir): Handle case where exec_prefix has
320 not been explicitly set.
321 * configure: Rebuilt.
323 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
326 * bitmap.h (bitmap_head_def): Make indx field unsigned.
328 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
329 use $exec_prefix/$target_alias for gcc_tooldir.
330 * configure: Rebuilt.
332 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
334 * cppp.c (xrealloc): Fix typo last change.
335 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
336 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
337 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
339 1999-01-22 Michael Meissner <meissner@cygnus.com>
341 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
342 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
343 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
344 (cc_reg_not_cr0_operand): Add declaration.
346 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
347 pseudo register, or a control register that is not CR0.
349 * rs6000.md (all combiner patterns building . instructions): For
350 all `.' instructions that do something and set cr0, add an
351 alternative that does the operation, and then sets a different
352 flag, in order to avoid using the costly mcrf instruction and also
353 allow cr0 to be clobbered in asm statements. Also fix a few
354 patterns that used the wrong register.
356 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
357 (rs6000_debug_name): Make const char *, not char *.
359 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
361 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
362 (rs6000_select): Use const char * in casts.
364 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
366 * Makefile.in (gcc_tooldir): Move before first reference.
367 Let autoconf substitute in a value.
368 * configure.in (gcc_tooldir): Only use a relative path to the
369 tool directory if $exec_prefix == $prefix.
370 * configure: Rebuilt.
372 * Makefile.in (tooldir): Replace with gcc_tooldir.
374 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
376 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
377 (ashldi3 expander): Similarly. Update comments.
378 (ashrdi_const, lshrdi_const): Fix indention.
379 (ashrdi3, lshrdi3): FIx indention. Update comments.
381 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
383 * emit-rtl.c (try_split): Don't try to split non-instructions.
385 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
387 * expr.c (emit_push_insn): Fix dumb typo.
389 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
391 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
392 transformations that we have performed earlier.
393 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
395 * alpha.md (prologue_stack_probe_loop): Don't do our own label
396 handling, call gen_label_rtx instead.
398 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
400 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
402 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
403 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
404 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
405 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
406 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
408 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
410 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
411 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
412 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
413 * configure: Regenerate.
415 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
417 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
419 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
421 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
423 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
425 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
426 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
427 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
428 (move_by_pieces): Use new macros.
429 (emit_block_move): Use new macros.
430 (clear_by_pieces): Use new macros.
431 (clear_storage): Use new macros.
432 (emit_push_insn): Use new macros.
433 (expand_expr): Use new macros.
434 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
436 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
437 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
438 (MOVE_MAX_PIECES): move 8 bytes on SH4.
439 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
440 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
441 USE_STORE_PRE_DECREMENT): Describe new macros.
443 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
445 * varasm.c (output_constant_pool): Use floor_log2 instead of
446 exact_log2 for ASM_OUTPUT_ALIGN.
448 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
450 * emit-rtl.c (operand_subword): Handle case when a subword outside
453 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
456 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
458 * cse.c (fold_rtx): Revert 29 Dec change.
459 (cse_insn): Revert 12 Jan change.
460 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
461 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
463 * rtl.h (CONSTANT_P): Likewise.
465 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
467 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
468 * alpha.c (input_operand): Likewise.
469 * c4x.c (const_operand): Likewise.
471 * explow.c (allocate_dynamic_stack_space): Use register_operand
472 instead of arith_operand, which does not exist.
474 * 1750a.h: Fix comment closure.
475 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
476 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
477 * arm.h (TARGET_SWITCHES): Fix typo.
478 * i370.md (anon mult and div patterns): Fix set mode mismatch.
479 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
480 (output_delay_insn): Likewise.
481 * m88k.md (anon rotate insns): Fix set mode mismatch.
482 (anon BLKmode moves): Commonize and fix set mode mismatches.
483 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
484 * romp.md (movdf): Fix typo.
486 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
488 * Makefile.in (install-common): Remove extraneous chmod for gcov
491 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
493 * function.c (assign_parms): Save and restore setting of
496 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
498 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
499 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
501 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
503 * recog.c (pop_operand): New function.
504 * recog.h (pop_operand): Declare it.
505 * genrecog.c (preds): Define it.
507 * expr.c (do_jump_for_compare): Handle conditional branch expanders
508 emitting multiple jump instructions.
509 * jump.c (condjump_label): New function.
510 * rtl.h (condjump_label): Declare it.
512 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
514 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
515 clobber during or after reload.
517 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
519 * genoutput.c (name_for_index): New function.
520 (scan_operands, validate_insn_alternatives): Use it.
521 * genrecog.c (insn_name_ptr_size): New variable.
522 (make_insn_sequence): Fill in insn_name_ptr.
523 (merge_trees): Use it.
525 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
527 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
528 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
529 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
531 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
533 * loop.c (NUM_STORES): Delete.
534 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
535 (prescan_loop): Properly initialize loop_mems_idx.
536 (note_addr_stored): Simplify using list structure instead of
538 (invariant_p, check_dbra_loop, load_mems): Similarly.
540 * flow.c (invalidate_from_autoinc): New function.
541 (mark_set_1, mark_used_regs): Use it.
543 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
545 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
547 * invoke.texi (-mlong-double-64): New option description.
549 1999-01-19 Jim Wilson <wilson@cygnus.com>
551 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
552 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
553 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
555 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
556 (CPP_SPECS): Add -mlong-double-64 support.
557 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
558 (TARGET_SWITCHES): Add -mlong-double-64 support.
559 (LONG_DOUBLE_TYPE_SIZE): Likewise.
560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
561 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
562 (CPP_SPECS): Add -mlong-double-64 support.
563 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
564 (MULTILIB_DIRNAMES): Add ld64.
565 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
567 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
569 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
572 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
574 * rs6000.c (offsettable_addr_operand): Delete.
575 (offsettable_mem_operand): New function.
576 * rs6000.h (PREDICATE_CODES): Reflect function change.
577 (RS6000_SAVE_TOC): Represent address as MEM.
578 * win-nt.h (RS6000_SAVE_TOC): Same.
579 * rs6000.md (indirect calls): Change offsettable address parameter
580 to offsettable memory parameter.
582 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
584 * rtl.h (rtx_def): Update documentation.
585 (MEM_IN_STRUCT_P): Likewise.
586 (MEM_SCALAR_P): New macro.
587 (MEM_COPY_ATTRIBUTES): Likewise.
588 (MEM_SET_IN_STRUCT_P): Likewise.
589 * rtl.texi (MEM_SCALAR_P): Document.
590 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
591 (fixed_scalar_and_varying_struct_p): New function. Use
592 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
593 (aliases_everything_p): Likewise.
594 (true_dependence): Use them.
595 (write_dependence_p): New function, containing code common to
596 anti_dependence and output_dependence.
597 (anti_dependence): Use it.
598 (output_dependence): Likewise.
599 * calls.c (save_fixed_argument_area): Don't clear
601 (expand_call): Use MEM_SET_IN_STRUCT_P.
602 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
603 (emit_library_call_value): Likewise.
604 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
605 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
606 (make_extraction): Likewise.
607 (simplify_shift_const): Likewise.
608 (gen_lowpart_for_combine): Likewise.
609 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
610 * emit-rtl.c (operand_subword): Likewise.
611 (change_address): Likewise.
612 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
613 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
614 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
615 (copy_blkmode_from_reg): Likewise.
616 (store_field): Likewise.
617 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
618 heuristically. Use MEM_SET_IN_STRUCT_P.
619 (get_memory_rtx): Likewise.
620 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
621 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
622 MEM_ALIAS_SET on newly returned MEMs.
623 (assign_temp): Use MEM_SET_IN_STRUCT_P.
624 (put_reg_into_stack): Likewise.
625 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
626 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
627 (assign_parms): Likewise.
628 (expand_function): Likewise.
629 * integrate.c (expand_inline_function): Likewise.
630 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
631 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
632 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
633 * print-rtl.c (print_rtx): Print /f for frame_related.
634 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
635 * reload1.c (reload): Copy MEM_SCALAR_P as well.
636 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
637 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
638 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
639 (output_constant_def): Likewise.
640 * a29k.c (a29k_set_memflags_1): Take scalar_p.
642 (a29k_set_memflags): Use it.
643 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
644 * c4x.c (c4x_scan_for_ld): Likewise.
645 * h8300.c (fix_bit_operand): Likewise.
646 * m88k.c (legitimize_address): Likewise.
647 (block_move_loop): Likewise.
648 (block_move_no_loop): Likewise.
649 (block_move_sequence): Likewise.
650 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
651 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
652 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
653 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
654 * arm.h (arm_gen_load_multiple): Take scalar_p.
655 (arm_store_load_multiple): Likewise.
656 * arm.c (arm_gen_load_multiple): Likewise.
657 (arm_gen_store_multiple): Likewise.
658 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
660 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
662 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
663 calls within a libcall block to indicate no throws are possible.
664 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
665 libcall blocks. Don't add edges to exception handlers if we see
666 a REG_EH_REGION note with a value of 0.
667 (make_edges): Override active_eh_region vector if the call has a note
668 indicating the call does not throw.
670 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
672 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
674 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
676 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
678 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
680 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
682 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
684 * invoke.texi (-mcpu=740, -mcpu=750): New options.
685 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
688 1999-01-18 Michael Meissner <meissner@cygnus.com>
690 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
691 supported with -mcpu=xxx.
692 (processor_type): Add PROCESSOR_PPC750.
693 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
694 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
695 (rs6000_adjust_priority): Add declaration.
697 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
698 processor type as 750, not 603. Allow -mmultiple and -mstring on
699 little endian 750 systems.
700 (rs6000_adjust_priority): Stub for now.
701 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
703 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
705 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
707 (CC1_SPEC): Pass -mstrict-align if little endian, and not
709 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
710 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
712 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
715 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
717 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
719 * config/mips/mips.md (div_trap): Split div_trap_mips16
721 (div_trap_normal,div_trap_mips16): Correct the length attributes.
723 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
725 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
726 Instead of writing to const char *buf directly, use a non-const
727 variable `wbuf' to allocate and write a string, then set buf = wbuf.
729 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
732 * dyn-string.c (dyn_string_append): Likewise.
734 * dyn-string.h (dyn_string_append): Likewise.
736 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
738 * output.h (end_final, output_operand_lossage, asm_fprintf,
739 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
742 * profile.c (init_branch_prob): Likewise.
744 * toplev.c (set_target_switch, vmessage,
745 v_message_with_file_and_line, v_message_with_decl,
746 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
747 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
748 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
749 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
750 open_dump_file, dump_rtl, clean_dump_file,
751 print_version, print_single_switch, print_switch_values,
752 dump_base_name, debug_args, lang_independent_options,
753 user_label_prefix, documented_lang_options, target_switches,
754 target_options, print_time, pfatal_with_name, fatal_io_error,
755 fatal_insn, default_print_error_function, print_error_function,
756 report_error_function, error_with_file_and_line, error_with_decl,
757 error_for_asm, error, fatal, warning_with_file_and_line,
758 warning_with_decl, warning_for_asm, warning, pedwarn,
759 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
760 really_sorry, botch, output_quoted_string, output_file_directive,
761 open_dump_file, rest_of_decl_compilation, display_help, main):
764 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
765 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
766 warning_with_file_and_line, error_with_file_and_line, sorry,
767 really_sorry, default_print_error_function, report_error_function,
768 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
769 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
770 output_file_directive, botch): Likewise.
772 * tree.h (make_decl_rtl): Likewise.
774 * varasm.c (strip_reg_name, named_section, decode_reg_name,
775 make_decl_rtl): Likewise.
777 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
779 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
780 directory logically rather than physically.
782 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * loop.c (insert_bct): Hide the definition of variables
785 `increment_direction', `compare_direction', `add_iteration' and
788 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
789 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
790 (mode_independent_operand): Mark label `lose' with
791 ATTRIBUTE_UNUSED_LABEL.
793 * regclass.c (n_occurrences): Remove prototype and definition.
795 * reload.c (find_reloads_address_1): Mark variable `tem' with
798 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
800 * sbitmap.c (sbitmap_copy): Likewise.
802 * scan-decls.c (scan_decls): Hide label `handle_comma'.
804 * toplev.c (output_lang_identify): Mark prototype with
807 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
808 (make_tree_vec): Likewise.
811 * varasm.c (assemble_static_space): Mark variable `tem' with
814 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
816 * Makefile.in (GCOV_INSTALL_NAME): New macro.
817 (install-common): Use it.
819 (uninstall): Use correct names for protoize and unprotoize.
821 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
822 Jeffrey A Law (law@cygnus.com)
824 * flow.c (last_mem_set): Delete variable. References removed.
825 (mem_set_list): New variable.
826 (life_analysis): Initialize and finalize alias analysis.
827 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
828 (insn_dead_p): For a store to memory, search the entire mem_set_list
830 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
831 changes to their addresses. Add new entries to the mem_set_list for
832 memory writes writes.
833 (mark_used_regs): Kill entries on the mem_set_list which may be
834 referenced by a load operation.
836 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
838 * alias.c (base_alias_check): Add missing return for differing
841 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
843 * mips-tdump.c (print_file_desc): Handle unknown filenames and
844 missing local symbols.
846 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
848 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
850 * system.h (bcopy): Implement with memmove not memcpy.
852 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
854 * Makefile.in (cppulp.o): Add dependencies.
856 * i386.md (integer conditional moves): Add missing earlyclobbers.
858 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
859 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
860 where a register is live.
862 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
864 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
865 of a FP conditional move is not on the FP register stack.
867 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
869 * version.c: Bump for snapshot.
871 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
873 * reload1.c (reload_cse_regs_1): Do not call
874 reload_cse_simplify_operands for an insn with asm operands.
876 * cccp.c (print_help): Fix typos.
877 * cpplib.c (print_help): Fix typos.
878 * toplev.c (f_optiosn): Fix typos.
879 (documented_lang_options): Fix typos.
881 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
883 * gcc.c: (do_spec_1): Fix obvious typo.
885 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
887 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
888 a non-static function declaration follows a static one.
890 * invoke.texi (-Wtraditional): Document the extra check now done
893 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
895 * pa.md (shadd): Create shadd insns, even if the result of the shift is
896 needed without the addition.
898 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
900 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
902 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
904 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
906 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
908 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
909 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
910 non_add_cint_operand, non_logical_cint_operand): Likewise.
911 (get_issue_rate): Add CPU_PPC604E case.
912 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
914 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
916 * expr.c (queued_subexp_p): Make public.
917 * expr.h (queued_subexp_p): Declare it.
918 * recog.c (asm_operand_ok): New function.
919 (check_asm_operands): Use it. After reload, use constrain_operands
921 * recog.h (asm_operand_ok): Declare it.
922 * stmt.c (expand_asm_operands): Use it to try harder to make
923 asms initially satisfy their constraints.
925 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
927 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
928 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
930 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
932 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
933 in delay slot of RPTBD.
935 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
937 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
938 divide and modulo sign problem.
940 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
942 * unroll.c (loop_iterations): Return 0 if the last loop insn
943 is not a jump insn or if the loop has multiple back edges.
945 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
947 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
948 a register with another DEST_ADDR giv if the address is not valid.
950 * pa.c (hppa_expand_epilogue): Save and restore the static chain
951 around the call to mcount.
953 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
955 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
956 generating non-canonical rtl.
958 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
960 * config/i960/i960.c (i960_output_move_double_zero,
961 i960_output_move_quad_zero): New functions for moving zeros.
962 (i960_output_move_double, i960_output_move_quad): Additional code
963 for situation when moving unaligned register group.
965 * config/i960/i960.h (i960_output_move_double_zero,
966 i960_output_move_quad_zero): The function definitions.
968 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
970 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
972 * config/i960/i960.c (i960_function_prologue): New code (optimal
973 solution) for saving global registers in local registers.
974 (form_reg_groups, reg_group_compare, split_reg_group): New
975 functions used by the code.
976 (reg_group): New structure definition for the new code.
978 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
980 * integrate.c (expand_inline_function): Recognize (mem (addressof))
981 and substitute. Copy the return value from there into a new pseudo.
983 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
985 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
986 before generating a call to abort for volatile functions.
987 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
988 (TARGET_ABORT_NORETURN): Define.
989 (abort-on-noreturn): New option.
991 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
993 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
994 and binarycc operations in 3rd annulled delay slot!
996 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
998 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
999 before generating a call to abort for volatile functions.
1000 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1001 (TARGET_ABORT_NORETURN): Define.
1002 (abort-on-noreturn): New option.
1004 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1007 Remove prototype which we get from libiberty.h.
1009 * collect2.c (xstrdup): Likewise.
1011 * genextract.c (xstrdup): Likewise for `copystr'.
1012 (mybzero): Remove it and use `memset' instead.
1014 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1015 to use `memcpy' and `memset' instead.
1017 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1018 changed. Remove prototype.
1019 (mybcopy, mybzero): Remove these and use memcpy/memset.
1021 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1023 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
1024 generating code for TARGET_64BIT.
1026 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
1028 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
1029 HOST_WIDE_INT word-size.
1030 (rs6000_stack_info): Remove redundant alignment of fpmem.
1032 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
1034 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
1035 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
1036 (input_operand): Adjust CONSTANT_P_RTX handling.
1037 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
1038 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
1039 (movhi, movqi): Remove CONSANT_P_RTX handling.
1040 (movdi): Adjust CONSTANT_P_RTX handling.
1042 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
1044 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1046 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
1048 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1049 ensure all prototypes necessary for building libio will be available.
1050 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
1051 definitions here as they are not host specific.
1052 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
1054 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
1056 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
1058 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
1060 * version.c: Bump for snapshot.
1062 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
1064 * rtl.c (rtx_alloc): Use memset instead of inline loop.
1066 * recog.h (recog_op_alt): Declare extern.
1068 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
1070 * function.c (purge_addressof_1): If the note accesses a mem+addressof
1071 in a wider mode than any replacement, adjust the cached replacement.
1072 Cache trivial substitutions as well.
1074 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
1076 * Makefile.in (OBJECTS): Add sbitmap.o.
1077 (BASIC_BLOCK_H): Add sbitmap.h.
1078 * basic-block.h: Move simple bitmap code to sbitmap.h.
1079 * flow.c: Move simple bitmap code to sbitmap.c
1080 * sbitmap.h, sbitmap.c: New files.
1082 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
1084 * alpha.h (TARGET_SWITCHES): Document switches.
1085 (TARGET_OPTIONS): Likewise.
1087 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
1089 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
1091 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
1093 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
1095 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
1096 (basic_block_end): Rename to x_basic_block_end.
1097 (BLOCK_HEAD, BLOCK_END): Update.
1099 * caller-save.c: Change basic_block_head/end references to
1101 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
1102 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
1103 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
1105 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * gcc.c (xstrerror): Renamed from my_strerror. All callers
1108 changed. Remove prototype since we get that from libiberty.h.
1110 * protoize.c (xstrerror): Likewise.
1112 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1114 * gcc.c (read_specs): Ensure format specifiers match their arguments.
1116 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
1118 * tree.c (copy_node): Oops. That would be copy not zero
1119 in that last change.
1121 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1123 * config/c4x/c4x.c: Include system.h.
1124 (c4x_caller_save_map): Disable caller save for RC.
1125 (c4x_optimization_options): Disable scheduling before reload.
1126 (valid_parallel_load_store) : Define return type as int.
1127 Remove unused variable regs.
1128 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
1130 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
1132 (*db, decrement_and_branch_until_zero): Fix up constraints
1133 to keep reload happy.
1135 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
1137 * tree.c (make_node): Call bzero instead of inline clear.
1138 (copy_node, make_tree_vec, build1): Likewise.
1139 (get_identifier): Call strlen instead of inline count.
1140 (maybe_get_identifier): Likewise.
1142 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1144 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
1145 operations in 3rd annulled delay slot.
1146 (*lshrqi3_const_set): Disallow c constraint for operand0.
1147 (modhi3+1, modhi3+2): Set attribute type to multi.
1148 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
1151 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1153 * gansidecl.h: Allow attribute unused on labels only when we are
1154 version 2.93 or higher. Not all versions of 2.92 have this feature.
1156 * version.c: Bump minor number to 93.
1158 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1160 * config/m68k/m68k.h: Declare output_function_epilogue.
1161 * recog.h: Declare next_insn_tests_no_inequality.
1163 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
1165 * stmt.c (optimize_tail_recursion): New function, extracted from ...
1166 (expand_return): Use optimize_tail_recursion.
1167 * tree.h (optimize_tail_recursion): Declare.
1169 * toplev.c (compile_file): Move call to output_func_start_profiler
1170 to after the loop to emit deferred functions.
1172 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1174 * system.h (abort): Supply more detailed information on how to
1175 report an Internal Compiler Error.
1177 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
1179 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
1180 allocate memory that will live beyond this function.
1181 (expand_call): Free it here.
1183 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
1185 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
1186 integer data not destined for fp regs.
1187 (LEGITIMIZE_RELOAD_ADDRESS): New.
1189 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
1190 Richard Henderson <rth@cygnus.com>
1192 Support for Hypersparc and Sparclite86x:
1193 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
1194 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
1195 (ASM_CPU32_DEFAULT_SPEC): Likewise.
1196 (TARGET_CPU_DEFAULT): Likewise.
1197 (enum processor_type): Likewise.
1198 (CPP_ENDIAN_SPEC): Handle little endian data.
1199 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
1200 (ADJUST_COST): Call sparc_adjust_cost.
1201 * sparc.c (sparc_override_options): Fix up for the new targets.
1202 (supersparc_adjust_cost): Make static.
1203 (hypersparc_adjust_cost): New.
1204 (ultrasparc_adjust_cost): Make static.
1205 (sparc_adjust_cost): New.
1206 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
1207 (function_unit): Add hypersparc scheduling rules.
1209 * configure.in (with_cpu handler): Recognize hypersparc.
1211 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1213 * config/c4x/c4x.c: Added space after negation operator.
1214 * config/c4x/c4x.h: Likewise.
1215 * config/c4x/c4x.md: Likewise.
1217 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1219 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
1221 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1223 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
1224 when a test can't be performed due to limited width of
1225 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
1226 Fix UDIV case for cases where the first operand has the highest bit
1229 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
1231 * pa.h (reg_class): Add FPUPPER_REGS.
1232 (REG_CLASS_NAMES): Similarly.
1233 (REG_CLASS_CONTENTS): Similarly
1234 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
1235 (FP_REG_CLASS_P): Likewise.
1236 (REG_CLASS_FROM_LETTER): Similarly.
1237 (CLASS_MAX_NREGS): Similarly.
1239 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
1241 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
1242 for a typedef of bool. Make sure to have a copy of the file is
1243 in place before we look to fix it. Fix typo in variable name to
1246 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
1248 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
1249 value_mode for the return mode.
1251 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
1253 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
1254 debugging as default.
1256 * config/tm-dwarf2.h: New file.
1258 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
1260 * h8300.h (ASM_OUTPUT_LABELREF): Define.
1262 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
1263 * local-alloc.c (update_equiv_regs): Corresponding changes.
1264 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
1266 * calls.c (special_function_p): Push alloca test inside the large
1267 conditional which excludes functions not at file scope or not
1270 * calls.c (special_function_p): New function broken out of
1272 (precompute_register_parameters): Likewise.
1273 (store_one_arg): Likewise.
1274 (store_unaligned_argumetns_into_pseudos): Likewise.
1275 (save_fixed_argument_area): Likewise.
1276 (restore_fixed_argument_area): Likewise.
1277 (expand_call): Corresponding changes.
1279 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1281 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
1283 (const_sint32_operand): Likewise.
1285 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1287 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
1288 is a macro when deciding if we can use `jmp_buf' in prototypes.
1290 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1292 * config/c4x/c4x.md (addqi3): If the destination operand is
1293 a hard register other than an extended precision register,
1294 emit addqi3_noclobber.
1295 (*addqi3_noclobber_reload): New pattern added so that reload
1296 will recognise a store of a pseudo, equivalent to the sum
1297 of the frame pointer and a constant, as an add insn.
1299 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
1301 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
1302 * configure: Rebuilt.
1303 * i386/xm-go32.h: Define LIBSTDCXX.
1305 * i386/go32.h (MD_EXEC_PREFIX): Define.
1306 (FILE_NAME_ABSOLUTE_P): Define.
1307 (LINK_COMMAND_SPEC): Define.
1309 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
1311 * expr.c (store_expr): If the lhs is a memory location pointed
1312 to be a postincremented (or postdecremented) pointer, always
1313 force the rhs to be evaluated into a pseudo.
1315 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
1317 * real.c (mtherr): Print more reasonable warning messages.
1319 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1321 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
1323 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
1324 (new_include_prefix): Constify char* parameters.
1326 * cppfiles.c (read_name_map): Likewise.
1327 (append_include_chain): Likewise. Also, use a writable char* copy
1328 of parameter `dir' which we then modify, rather than using the
1329 parameter itself to store the new writable string.
1330 (remap_filename): Constify some variables. Also, use a writable
1331 char* to store an allocated string which we will be modifying.
1333 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
1334 (cpp_start_read): Constify variable `str'.
1336 * cpplib.h (append_include_chain): Constify a char* parameter.
1338 * gcc.c Include prefix.h, don't prototype prefix.c functions.
1339 (add_prefix, save_string): Constify char* parameters.
1340 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1342 * prefix.c: Include prefix.h.
1343 (get_key_value, translate_name, save_string, update_path,
1344 set_std_prefix): Constify various char* parameters and variables.
1345 (save_string): Use xmalloc, not malloc.
1346 (translate_name): Use a writable temporary variable to create and
1347 modify a string before setting it to a const char*.
1349 * prefix.h: New file to prototype functions exported from prefix.c.
1351 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1353 * cpplib.c (skip_if_group): Split out the logic that handles
1354 directive recognition to its own function. Don't use
1355 parse markers; use a bare pointer into the buffer. Use
1356 copy/skip_rest_of_line instead of doing it by hand. Remove
1357 `return on any directive' mode which was never used, and take
1359 (consider_directive_while_skipping): New function, subroutine
1360 of skip_if_group. Logic streamlined a bit.
1361 (conditional_skip, do_elif, do_else): Call skip_if_group with
1364 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1366 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
1369 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
1371 * extend.texi (Bound member functions): Document.
1373 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1375 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
1376 lang_to_string, type_to_string): Make return type const char*.
1377 (print_symbol): Apply `const' keyword to a char*.
1378 (print_file_desc): Cast structure member `crfd' to ulong when
1379 comparing against one.
1381 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
1382 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1383 (progname, input_name): Apply `const' keyword to a char*.
1384 Don't redundantly include sys/stat.h.
1385 (alloc_info): Apply `const' keyword to a char*.
1386 (st_to_string, sc_to_string): Likewise.
1387 (hash_string): Cast variable `hash_string' to a symint_t when
1388 comparing against one.
1389 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
1390 Likewise cast it to long when comparing against one.
1391 (add_local_symbol): Apply `const' keyword to a char*.
1392 (add_ext_symbol): Likewise.
1393 (add_unknown_tag): Likewise.
1394 (add_procedure): Cast a printf-style field width to an int.
1395 (add_file): Cast PAGE_USIZE to long when comparing against one
1396 (parse_begin): Cast a printf-style field width to an int.
1397 (parse_bend): Likewise.
1398 (parse_def): Likewise.
1399 (parse_end): Likewise.
1400 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
1401 (parse_stabs_common): Fix format specifier.
1402 (parse_input): Change type of variable `i' to Size_t.
1403 (write_object): Fix arguments to match format specifiers.
1404 Cast variable `num_write' to long when comparing against one.
1405 (read_seek): Cast variable `sys_read' to symint_t when comparing
1406 against one. Fix arguments to match format specifiers. Cast
1407 variable `size' to long when comparing against one.
1408 (copy_object): Cast result of `sizeof' to int when comparing
1409 against one. Fix arguments to match format specifiers. Cast
1410 variable `ifd' to long when comparing against a signed value.
1413 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1415 * c-common.c (decl_attributes): Allow applying attribute `unused'
1418 * c-parse.in (label): Parse attributes after a label, and call
1419 `decl_attributes' to handle them.
1421 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
1423 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
1424 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
1426 * invoke.texi: Note that labels can be marked `unused'.
1428 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
1430 * version.c: Bump for snapshot.
1432 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
1434 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
1435 RTL for a compare/jump sequence.
1437 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1439 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
1440 for a target with HAVE_cc0 defined.
1441 (emit_cmp_and_jump_insns): New function.
1442 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1443 * loop.c (check_dbra_loop): Use it to replace calls
1444 to emit_cmp_insn and emit_jump_insn and to canonicalise
1445 the comparison if necessary.
1446 * unroll.c (unroll_loop): Likewise.
1448 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1450 * fixincludes (sys/utsname.h): Provide forward declaration of
1451 struct utsname on Ultrix V4.[35].
1453 * mips.md (div_trap): Use local labels instead of dot-relative
1456 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1458 * pa.md (branch, negated branch): Handle (const_int 0) as first
1460 * pa.c (output_cbranch): Likewise.
1462 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1464 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1467 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1469 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1471 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1473 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1475 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1477 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1478 (adddi_dishl32): Similarly.
1480 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1481 for each insn in the skipped block.
1483 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1484 constraints after replacing a register address with an autoincrement
1485 address for reload inheritance purposes.
1487 * i386.md (doubleword shifts): Avoid namespace pollution.
1489 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1491 * configure.in (FreeBSD ELF): Needs special crt files.
1493 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1495 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1497 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1499 * loop.c (check_dbra_loop): While reversing the loop, if the
1500 comparison value has a VOID mode use the mode of the other operand
1501 to compute the mask.
1503 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1505 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1506 avoid warnings in compiling explow.c.
1508 (patch from Ken Raeburn, raeburn@cygnus.com)
1509 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1510 fpmem_offset. Compute total size after that, and then
1511 rs6000_fpmem_offset using both values.
1513 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1515 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1516 the future; indeed that already happens in some cases.
1518 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1520 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1521 (arith_operand): Remove constant_p_rtx handling.
1522 (const64_operand, const64_high_operand): Likewise.
1523 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1524 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1525 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1526 * sparc.h (PREDICATE_CODES): Likewise.
1528 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1530 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1532 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1533 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1534 consider constant CONSTRUCTOR constant and to defer some cases
1536 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1537 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1539 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1541 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1542 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1544 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1545 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1546 (sext_add_operand, and_operand, or_operand): Likewise.
1547 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1548 * alpha.h (PREDICATE_CODES): Likewise.
1550 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1552 * version.c: Bump for snapshot.
1554 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1556 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1557 of dangerous casts and stores.
1559 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1561 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1563 * alpha.md (builtin_longjmp): Add missing "DONE".
1565 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1567 * gcc.c (execute): Enable -pipe with win32.
1569 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1571 * config/arm/t-arm-elf: Add multiplib option for leading
1574 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1575 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1577 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1578 than variable 'reload_address_base_reg_class'. [Note this
1579 change is unrelated to the others in this patch].
1581 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1584 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1586 * alias.c (record_alias_subset): Remove ignored `&'.
1587 (init_alias_once): Likewise.
1589 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1591 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1592 fwrite to `int' when comparing against one.
1594 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1595 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1597 * cse.c (rehash_using_reg): Change type of variable `i' to
1600 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1601 assigning it to one.
1603 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1605 * final.c (final_scan_insn): Likewise for variable `i'.
1606 (output_asm_insn): Cast a char to unsigned char when used as an
1609 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1610 assigning it to one.
1612 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1614 * recog.c (preprocess_constraints): Cast a char to unsigned char
1615 when used as an array index.
1617 * regmove.c (find_matches): Likewise.
1619 * reload1.c (calculate_needs): Add default case in switch.
1620 (eliminate_regs_in_insn): Initialize variable `offset'.
1621 (set_offsets_for_label): Change type of variable `i' to unsigned.
1622 (reload_as_needed): Wrap variable `i' in macro check on
1623 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1625 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1626 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1627 when comparing against one.
1629 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1630 unsigned when comparing against one. Likewise for
1631 GET_MODE_ALIGNMENT().
1632 (layout_record): Cast record_align to int when comparing against a
1634 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1637 * tree.c (get_identifier): Cast variable `len' to unsigned when
1638 comparing against one.
1639 (maybe_get_identifier): Likewise
1641 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1643 * toplev.c (rest_of_compilation): Do not set reload_completed.
1644 * reload1.c (reload): Set reload_completed before calling
1645 cleanup_subreg_operands.
1647 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1649 * reload1.c (emit_reload_insns): Check `set' not null before use.
1651 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1653 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1656 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1658 * halfpic.c (half_pic_encode): Delete redundant code.
1660 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1662 * toplev.c (main): Delete handling of -dM as a preprocessor
1665 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1667 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1668 -dI, which are handled by the preprocessor.
1670 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1672 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1673 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1675 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1677 * version.c: Bump for snapshot.
1679 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1681 * version.c: Bump for snapshot.
1683 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1685 * version.c: Bump for snapshot.
1687 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1689 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1691 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1692 write_unit_name, write_eligible_delay, expand_units,
1693 make_length_attrs, write_attr_case, find_attr,
1694 make_internal_attr): Likewise.
1695 * gencheck.c (tree_codes): Likewise.
1696 * gencodes.c (fatal): Likewise.
1697 * genconfig.c (fatal): Likewise.
1698 * genemit.c (fatal): Likewise.
1699 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1700 * genflags.c (fatal): Likewise.
1701 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1702 * genoutput.c (fatal, error, predicates): Likewise.
1703 * genpeep.c (fatal): Likewise.
1704 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1705 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1707 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1709 * configure.in (with-fast-fixincludes): Fix whitespace.
1710 * configure: Rebuilt.
1712 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1713 asm() etc. function declarations in __DECC.
1715 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1717 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1718 is a pseudo register.
1720 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1722 * gcse.c: Include expr.h in order to get the prototype for
1723 get_condition() which is used in delete_null_pointer_checks().
1725 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1729 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1731 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1732 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1734 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1736 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1739 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1741 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1742 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1743 optimizations from the combiner.
1745 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1747 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1749 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1751 * toplev.c (main): Disable optimize_size if a specific
1752 optimization level is requested. Always set optimization
1753 level to 2 if -Os is specified.
1755 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1757 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1759 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1760 initialize it using fname.
1762 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1764 * cpplib.c (do_include): Treat #include_next in the
1765 primary source file as #include plus warning. Treat
1766 #include_next in a file included by absolute path as an
1767 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1769 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1771 * cccp.c: Don't define MIN/MAX anymore.
1772 * cpplib.c: Likewise.
1773 * machmode.h: Likewise.
1774 * system.h: Provide definitions for MIN/MAX.
1776 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1778 * fix-header.c: Don't define xstrdup here.
1780 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1782 * loop.c (consec_sets_giv): New argument last_consec_insn.
1783 (strength_reduce): Provide / use it.
1785 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1787 * loop.h (loop_info): New field 'vtop'.
1788 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1789 scanning loop for vtop.
1790 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1791 (loop_iterations): Use them to determine if loop has a constant
1792 number of iterations. Set loop_info->vtop. Don't subtract
1793 common reg term from initial_value and final_value if have a
1796 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1798 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1800 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1802 * mn10200.md (abssf2, negsf2): New expanders.
1804 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1806 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1808 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1809 replaced by a CONCAT whoes components do not have the same
1810 mode as the original SUBREG, use a new SUBREG to restore the
1813 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1814 multiword complex values.
1816 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1818 * cppalloc.c: Add xstrdup here.
1819 * cpplib.h: Remove savestring prototype.
1820 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1822 * cppfiles.c: s/savestring/xstrdup/ throughout.
1824 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1826 * cpplib.c: Make all directive handlers read their own
1828 (struct directive): Remove last two arguments from FUNC
1829 member prototype. Remove `command_reads_line' member
1831 (directive_table): Remove initializations of
1832 command_reads_line flag. Pretty-print.
1833 (eval_if_expression, do_define, do_line, do_include,
1834 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1835 do_else, do_elif, do_sccs, do_assert, do_unassert,
1836 do_warning): Take only two args.
1838 (cpp_define): Call do_define with two args and the text to
1839 define stuffed into a buffer.
1840 (make_assertion): Call do_assert with two args.
1841 (handle_directive): Call do_line with two args. Call
1842 kt->func with two args. Remove command_reads_line
1844 (do_define, do_undef, do_error, do_warning, do_pragma,
1845 do_sccs): Read the rest of the line here.
1846 (do_ident): Gobble rest of line, as cccp does.
1847 (cpp_undef): New function.
1848 (cpp_start_read): Call cpp_undef instead of do_undef.
1850 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1852 * cpphash.h (union hash_value): Remove `keydef' member, add a
1853 `struct hashnode *aschain' member for #assert.
1855 * cpplib.c (struct tokenlist_list, struct
1856 assertion_hashnode): Delete structure definitions.
1857 (assertion_install, assertion_lookup, delete_assertion,
1858 check_assertion, compare_token_lists, reverse_token_list,
1859 read_token_list, free_token_list): Delete functions.
1860 (parse_assertion): New function.
1861 (cpp_cleanup): Don't destroy the assertion_hashtable.
1863 (do_assert): Gut and rewrite. #assert foo (bar) places
1864 entries for `#foo' and `#foo(bar)' in the macro hash table,
1865 type T_ASSERT. The value union's `aschain' member is used
1866 to chain all answers for a given predicate together.
1867 (do_unassert): Also rewritten. Take an un-asserted
1868 answer off the chain from its predicate and call
1869 delete_macro on the hashnode, or walk a predicate chain
1870 calling delete_macro on all the entries.
1871 (cpp_read_check_assertion): Simply call parse_assertion to
1872 get the canonical assertion name, and look that up in the
1875 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1878 * cpphash.c (install): Use bcopy instead of an explicit loop
1879 to copy the macro name.
1881 * cppexp.c (cpp_lex): Convert the result of
1882 cpp_read_check_assertion to a `struct operation' directly;
1883 don't go through parse_number.
1885 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1887 * loop.h (struct induction): Delete times_used member.
1888 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1889 (n_times_used): Rename to n_times_set. Changed all users.
1890 (scan_loop): Free reg_single_usage before strength reduction.
1891 (record_giv, combine_givs): Remove handling of times_used member.
1892 (combine_givs_used_once): Rename to:
1893 (combine_givs_used_by_other) . Changed all callers.
1895 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1897 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1898 instead of TREE_CODE_CLASS == 't'.
1899 (gen_type_die): Likewise.
1900 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1902 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1904 * real.c (endian): Disable last change unless
1905 HOST_BITS_PER_WIDE_INT is greater than 32.
1907 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1909 * output.h (force_data_section): New prototype.
1910 * varasm.c (force_data_section): New function to force the
1911 data section, regardless of what in_section thinks.
1912 * dwarf2out.c (output_call_frame_info): Call force_data_section
1913 since varasm may not realize we've changes sections.
1915 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1917 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1918 after completeing reload.
1920 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1921 deleted after reload.
1923 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1925 * rtl.h (multiple_sets): Fix prototype.
1926 * rtlanal.c (multiple_sets): Fix return type.
1928 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1930 * version.c: Bump for snapshot.
1932 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1934 * version.c: Bump for snapshot.
1936 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1938 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1940 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1942 * rtl.h (recompute_reg_usage): Add second argument.
1943 * flow.c (recompute_reg_usage): Likewise.
1944 * toplev.c (rest_of_compilation): Supply second argument to
1945 recompute_reg_usage.
1947 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1950 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1952 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1953 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1954 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1957 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1959 * rtlanal.c (multiple_sets): New function.
1960 * rtl.h (multiple_sets): Declare it.
1961 * local-alloc.c (wipe_dead_reg): Use it.
1962 * global.c (global_conflicts): Likewise.
1964 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1966 * global.c (record_conflicts): Don't use an array of shorts to
1967 store an array of ints.
1968 (global_conflicts): Likewise.
1970 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1972 * alpha.c (alpha_expand_block_move): mode_for_size expects
1973 bits, not bytes. Infer extra alignment from addressof.
1975 1998-12-11 Michael Meissner <meissner@cygnus.com>
1977 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1978 .sbss section, not .sdata.
1980 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1982 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1984 * collect2.c: Likewise.
1985 * cpplib.h: Likewise.
1988 * getpwd.c: Likewise.
1989 * protoize.c: Likewise.
1990 * toplev.c: Likewise.
1992 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1993 and don't try to define it here.
1994 * Makefile.in (cppmain.o): Depend on machmode.h.
1995 (cpplib.o): Likewise.
1996 (cpperror.o): Likewise.
1997 (cppexp.o): Likewise.
1998 (cppfiles.o): Likewise.
1999 (cpphash.o): Likewise.
2000 (cppalloc.o): Likewise.
2001 (fix-header.o): Likewise.
2002 (scan-decls.o): Likewise.
2004 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2006 * sh.c (print_operand): lookup interrupt_handler attribute instead
2007 of relying on static variable.
2008 * (calc_live_regs): Likewise.
2009 * (sh_pragma_insert_attributes): Create interrupt_handler
2010 attribute if a pragma was specified
2011 * (sh_valid_machine_decl_attribute): Don't set static flag.
2012 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2014 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2016 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2017 to determine if a register is live at a jump destination.
2018 Everything is dead at a BARRIER.
2020 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2022 * cse.c (simplify_unary_operation): Sign-extend constants when
2023 they have the most significant bit set for the target.
2024 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
2026 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
2027 HOST_WIDE_INT temporary before negating it.
2028 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
2030 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
2032 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
2035 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2037 * collect2.h: New header file for prototypes.
2039 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
2041 * collect2.c: Include collect2.h.
2042 * tlink.c: Likewise.
2044 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
2046 * flow.c: Update some comments.
2048 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
2050 * objc/objc-act.c (cpp_initialized): Removed.
2051 (lang_init_options): Initialize cpplib.
2052 (lang_decode_option): Move initialization of cpplib to
2054 * c-lang.c: (parse_options,parse_in): Added.
2055 (lang_init_options): Initialized cpplib here.
2056 * c-decl.c (parse_options,cpp_initialized): Removed.
2057 (c_decode_option): Move initialization of cpplib to
2060 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2062 * reload1.c (reload_combine, reload_combine_note_store):
2063 Make STORE_RUID always valid.
2064 (reload_combine): Check if BASE is clobbered too early.
2066 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
2068 * reload.c (find_reloads): Display the insn that cannot be
2071 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
2073 * cccp.c (create_definition): Fix end of bufer logic.
2075 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
2078 pointer parameters changed to use the PARAMS() macro.
2080 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2082 * except.h (struct handler_info): Add handler_number field.
2083 * except.c (gen_exception_label): EH labels no longer need to be
2084 on the permanent obstack.
2085 (get_new_handler): Set the label number field.
2086 (output_exception_table_entry): Regenerate handler label reference
2087 from the label number field.
2088 (init_eh): Remove a blank line.
2089 * integrate.c (get_label_from_map): Labels no longer need to be
2090 on the permanent obstack.
2092 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
2094 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
2095 only when OUTER_CODE is SET.
2097 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * loop.c (strength_reduce): If scan_start points to the loop exit
2100 test, be wary of subversive use of gotos inside expression statements.
2101 Don't set maybe_multiple for a backward jump that does not
2102 include the label under consideration into its range.
2103 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
2105 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2107 * explow.c (plus_constant_wide): Don't immediately return with
2108 result of recursive call.
2110 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2112 * eh-common.h (struct eh_context): Add table_index for rethrows.
2114 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
2115 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
2116 processed when inlined or unrolled (ie duplicated in some way).
2118 * rtl.c (reg_note_name): Add strings for new reg_note enums.
2120 * expr.h (rethrow_libfunc): New library decl.
2122 * optabs.c (rethrow_libfunc): Initialize.
2124 * except.h (struct eh_entry): Add new field 'rethrow_label'.
2125 (new_eh_region_entry): No longer exported from except.c.
2126 (duplicate_handlers): Renamed to duplicate_eh_handlers and
2127 different prototype.
2128 (rethrow_symbol_map, rethrow_used): New exported functions.
2129 (eh_region_from_symbol): New exported function.
2131 * except.c (create_rethrow_ref): New function to create a single
2132 SYMBOL_REF for a rethrow region.
2133 (push_eh_entry): Initialize a rethrow ref.
2134 (func_eh_entry): Add a rethrow_label field.
2135 (new_eh_region_entry): Make static, and initialize the rethrow entry.
2136 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
2137 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
2138 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
2139 a region into an appropriate new symbol.
2140 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
2141 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
2142 (end_catch_handler): Emit a barrier for new-exceptions since
2143 control can never drop through the end of a catch block.
2144 (expand_end_all_catch): new-exceptions never fall through a catch
2146 (expand_rethrow): use __rethrow routine for new exceptions.
2147 (output_exception_table_entry): Generate rethrow labels, if needed.
2148 (output_exception_table): Generate start and end rethrow labels.
2149 (init_eh): Create rethrow symbols for beginning and end of table.
2150 (scan_region): Don't eliminate EH regions which are the targets of
2153 * flow.c (make_edges): Add different edges for rethrow calls,
2154 identified by having the REG_EH_RETHROW reg label.
2155 (delete_unreachable_blocks): Don't delete regions markers which are
2156 the target of a rethrow.
2158 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
2159 allow save_for_inline_copying to call duplicate_eh_handlers.
2160 (save_for_inline_copying): Call duplicate_eh_handlers instead of
2161 exposing internal details of exception regions.
2162 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
2163 (expand_inline_function_eh_labelmap): New callback routine to
2164 allow expand_inline_function to call duplicate_eh_handlers.
2165 (expand_inline_function): Call duplicate_eh_handlers instead of
2166 exposing internal details of exception regions.
2167 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
2170 * libgcc2.c (find_exception_handler): Generalize to enable it to
2171 pick up processing where it left off last time for a rethrow.
2172 (__unwinding_cleanup): New function. debug hook which is called before
2173 unwinding when __throw finds there is nothing but cleanups left.
2174 (throw_helper): Common parts of __throw extracted out for reuse.
2175 (__throw): Common parts moved to throw_helper.
2176 (__rethrow): New function for performing rethrows.
2178 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
2180 * reload1.c (current_function_decl): Tweak declaration.
2182 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
2184 * c-decl.c (flag_isoc9x): Default off.
2185 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
2186 * cccp.c (print_help, main): Likewise.
2187 * gcc.c (default_compilers): Update for -std=gnu*.
2189 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
2191 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
2192 * demangle.h: Deleted.
2194 * reload1.c (current_function_decl): Declare.
2196 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2198 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
2200 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2202 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
2204 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
2206 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
2208 * configure: Rebuilt.
2209 * system.h: If the *_unlocked functions are available use them
2210 instead of the locked counterparts by defining macros.
2211 * config.in: Regenerated.
2213 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
2215 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
2216 wrong and should only be used for dump related things, not
2217 debugging information, instead main_input_filename should be used.
2218 Also, reuse output_file_directive if possible.
2219 * i386/aix386ng.h (ASM_FILE_START): Likewise.
2220 * i386/isc.h (ASM_FILE_START): Likewise.
2221 * i386/win-nt.h (ASM_FILE_START): Likewise.
2222 * i386/sun386.h (ASM_FILE_START): Likewise.
2224 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
2226 * configure.in (mips*-*-linux*): Handle big and little endian
2228 * configure: Rebuilt.
2230 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
2232 * emit-rtl.c: Fix typo.
2234 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
2236 * reload1.c (eliminate_regs): Don't do anything, if we're not
2239 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
2241 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
2243 * mips/mips.c (mips_select_section): Add comment.
2245 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
2247 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
2248 characters in file names in #line to be consistent with #include
2249 handling. We support escape prcessing in the # 1 "..." version of
2250 the command. See also support in cp/lex.c.
2251 (handle_directive): Likewise.
2252 (do_line): Likewise.
2254 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2256 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
2257 so it'll work on non-ASCII platforms. Always consider $ an
2258 identifier character. Take no arguments.
2259 (cpp_reader_init): Call initialize_char_syntax with no
2261 (cpp_start_read): Don't call initialize_char_syntax again.
2262 Clear is_idchar['$'] and is_idstart['$'] if not
2263 opts->dollars_in_ident.
2265 * cpplib.h (struct cpp_reader): Replace void *data element by
2266 cpp_options *opts. Rearrange elements to make gdb printout
2267 less annoying (put buffer stack at end).
2268 (CPP_OPTIONS): Get rid of now-unnecessary cast.
2270 * cppmain.c: s/data/opts/ when initializing cpp_reader
2272 * c-decl.c: Likewise.
2273 * objc/objc-act.c: Likewise.
2274 * fix-header.c: Likewise.
2276 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2278 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
2279 with a struct file_name_list pointer.
2280 (struct cpp_reader): Add pointer to chain of `actual
2281 directory' include searchpath entries.
2282 (struct file_name_list): Add *alloc pointer for the sake of
2283 the actual-directory chain.
2285 Move definition of HOST_WIDE_INT here.
2286 (cpp_parse_escape): Change prototype to match changes in
2289 * cppfiles.c (actual_directory): New function.
2290 (finclude): Use it to initialize the buffer's actual_dir
2292 (find_include_file): We don't need to fix up max_include_len
2295 * cpplib.c (do_include): Don't allocate a file_name_list on
2296 the fly for current directory "" includes, use the one that's
2297 been preallocated in pfile->buffer->actual_dir. Hoist out
2298 duplicate code from the search_start selection logic.
2299 (cpp_reader_init): Initialize pfile->actual_dirs.
2301 Remove definition of HOST_WIDE_INT. Change calls
2302 to cpp_parse_escape to match changes in cppexp.c (note
2303 hardcoded MASK, which is safe since this is the source
2306 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
2307 to handle wide character constants in #if directives. The
2308 function now returns a HOST_WIDE_INT, and takes a third
2309 argument which is a binary mask for all legal values (0x00ff
2310 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
2311 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
2312 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
2314 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
2316 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
2318 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2320 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
2321 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
2322 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
2324 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
2326 * final.c (output_asm_name): Use tabs to seperate comments from
2329 Include instruction lengths (if defined) in output.
2331 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2333 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
2334 in the loop_info structure.
2336 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
2338 * configure.in: (arm*-*-ecos-elf): New target.
2339 * configure: Regenerated.
2340 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
2341 * config/arm/ecos-elf.h: New file.
2342 * config/arm/unknown-elf.h (TARGET_VERSION): Check
2345 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2347 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
2349 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
2351 * version.c: Bump for snapshot.
2353 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2355 * loop.c (check_dbra_loop): New argument loop_info. Update fields
2358 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
2360 * version.c: Bump for snapshot.
2362 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2364 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
2365 compressed reports are ok and preferred over URLs
2367 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2369 * invoke.texi (Warning Options): Soften the tone of -pedantic
2371 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
2373 * print-rtl.c (print_rtx): Add prototype.
2375 * unroll.c (iteration_info): Make it static.
2377 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
2379 * alias.c (memrefs_conflict_p): A second ANDed address
2380 disables the aligned address optimization.
2382 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
2384 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
2387 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2389 * i960.h (BOOL_TYPE_SIZE): Define.
2391 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2393 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
2394 from old valid_parallel_operands_4.
2395 (valid_parallel_operands_4): Check that operands for 4 operand
2396 parallel insns are valid, excluding load/store insns.
2397 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
2398 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
2399 valid_parallel_load_store instead of valid_parallel_operands_4.
2400 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
2401 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
2402 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
2403 *notqi_movqi_clobber): Use valid_parallel_operands_4.
2404 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
2405 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
2406 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
2408 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2410 * config/c4x/c4x.c (iteration_info): Delete extern.
2412 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2414 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
2416 * final.c (cleanup_subreg_operands): Delete some unused code.
2418 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
2419 (struct insn_alternative): New structure definition.
2420 (recog_op_alt): Declare variable.
2421 (preprocess_constraints): Declare function.
2422 * recog.c (recog_op_alt): New variable.
2423 (extract_insn): Verify number of alternatives is in range.
2424 (preprocess_constraints): New function.
2425 * reg-stack.c: Include recog.h.
2426 (constrain_asm_operands): Delete.
2427 (get_asm_operand_lengths): Delete.
2428 (get_asm_operand_n_inputs): New function.
2429 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
2430 N_OUTPUTS args. All callers changed.
2431 Compute number of inputs and outputs here by calling
2432 get_asm_operand_n_inputs.
2433 Instead of constrain_asm_operands, call extract_insn,
2434 constrain_operands and preprocess_constaints. Use information
2435 computed by these functions throughout.
2436 (record_reg_life): Delete code that is unused due to changes in
2437 record_asm_reg_life.
2438 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
2439 N_INPUTS and N_OUTPUTS args. All callers changed.
2440 Similar changes as in record_asm_reg_life.
2441 (subst_stack_regs): Move n_operands declaration into the if statement
2443 Delete code that is unused due to changes in subst_asm_stack_regs.
2444 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2446 * Makefile.in (reg-stack.o): Depend on recog.h.
2448 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2450 * except.c (set_exception_version_code): Argument is an "int".
2452 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2454 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2455 * configure: Rebuilt.
2457 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2459 * configure.in (mipsel-*-linux*): New target.
2460 * mips/linux.h: New file, based on other Linux targets.
2462 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2464 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2465 runs in the context of the deleter, not the deletee, so we must
2466 use taskVarGet to find the correct memory to free.
2467 (__gthread_key_create): Initialize the task
2468 variable subsystem so that the task variable is still active when
2469 the delete hook is run.
2471 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2473 * pdp11.h: Use optimize_size for space optimizations.
2474 * pdp11.c: Likewise.
2475 * pdp11.md: Likewise.
2477 * pdp11.h (TARGET_40_PLUS): Fix typo.
2479 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2481 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2484 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2486 * alias.c (addr_side_effect_eval): New function.
2487 (memrefs_conflict_p): Use it.
2488 * rtl.h (addr_side_effect_eval): Prototype it.
2490 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2492 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2494 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2496 * reload.c (find_reloads): When force const to memory, put result
2497 in substed_operand not *recog_operand_loc.
2499 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2501 * c-lex.c: Fix indentation from last patch.
2502 Remove trailing whitespace.
2505 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2507 * flow.c (delete_block): Call set_last_insn after we have reset
2508 NEXT_INSN (kept_tail).
2510 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2512 * mips.md (trap_if): Use "$0" for the value zero.
2514 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2515 Stephen L Moshier <moshier@world.std.com>
2516 Richard Henderson <rth@cygnus.com>
2518 * c-common.c (declare_function_name): Declare predefinied variable
2521 * c-decl.c (flag_isoc9x): Set to 1 by default.
2522 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2523 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2525 * c-parse.in: Allow constructors in ISO C 9x.
2526 Rewrite designator list handling.
2527 Allow [*] parameters.
2528 Don't warn about comma at end of enum definition for ISO C 9x.
2530 * cccp.c (c9x): New variable.
2531 (rest_extension): New variable.
2532 (print_help): Document new -std= option.
2533 (main): Recognize -std= option. Set c9x appropriately.
2534 (create_definition): Recognize ISO C 9x vararg macros.
2536 * gcc.c (default_compilers): Adjust specs for -std options.
2537 (option_map): Add --std.
2538 (display_help): Document -std.
2540 * toplev.c (documented_lang_options): Add -std and remove
2543 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2544 or REAL_VALUE_HTOF based on base of the constants.
2545 * fold-const.c (real_hex_to_f): New function. Replacement function
2546 for hex FP conversion if REAL_ARITHMETIC is not defined.
2547 * real.c (asctoeg): Add handling of hex FP constants.
2548 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2551 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2553 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2554 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2555 expansion. Use hi/lo as destination register.
2557 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2558 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2559 Avoid as macro expansion. Use hi/lo as destination register.
2561 * mips.h (MASK_CHECK_RANGE_DIV): New.
2562 (MASK_NO_CHECK_ZERO_DIV): New.
2563 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2564 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2565 return address for leaf functions out of r31 to support
2566 builtin_return_address.
2568 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2570 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2571 NEXT_INSN(x) to check insn x.
2573 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2575 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2576 last insn in the rtl chain.
2578 * reload1.c (reload): Do not set reload_completed or split insns
2580 * toplev.c (rest_of_compilation): Set reload_completed after
2581 reload returns. Split insns after reload_cse has run.
2583 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2585 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2587 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2589 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2591 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2593 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2594 use of user-label_prefix.
2596 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2598 * reload1.c (emit_reload_insns): Clear spill_reg_store
2599 when doing a new non-inherited reload from the same pseudo.
2601 * local-alloc.c (function_invariant_p): New function.
2602 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2603 to decide if an equivalence should be recorded.
2604 * reload1.c (num_eliminable_invariants): New static variable.
2605 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2606 to decide if an equivalence should be recorded.
2608 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2609 Take num_eliminable_invariants into account when deciding
2610 if register elimination should be done.
2611 (reload_as_needed): Take num_eliminable_invariants into account
2612 when deciding if register elimination should be done.
2613 (eliminate_regs): Handle non-constant reg_equiv_constant.
2614 * rtl.h (function_invariant_p): Declare.
2616 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2618 * version.c: Bump for snapshot.
2620 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2622 * version.c: Bump for snapshot.
2624 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2626 * except.c (add_new_handler): Complain about additional handlers
2627 after one that catches everything.
2629 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2631 * configure.in (alpha*-*-netbsd): Fix typo.
2632 * configure: Rebuilt.
2634 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2636 * system.h: Include libiberty.h.
2638 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2639 function `concat' from fixed parameters to variable parameters,
2640 as is done in libiberty. All callers of concat/concat3
2641 changed to use the new `concat' with variable args.
2643 * cccp.c: Remove things made redundant by libiberty.h and/or
2644 conform to libiberty standards.
2646 * collect2.c: Likewise.
2647 * config/1750a/1750a.h: Likewise.
2648 * cppalloc.c: Likewise.
2649 * cppexp.c: Likewise.
2650 * cppfiles.c: Likewise.
2651 * cpphash.c: Likewise.
2652 * cpplib.c: Likewise.
2653 * dyn-string.c: Likewise.
2654 * fix-header.c: Likewise.
2657 * genattr.c: Likewise.
2658 * genattrtab.c: Likewise.
2659 * gencheck.c: Likewise.
2660 * gencodes.c: Likewise.
2661 * genconfig.c: Likewise.
2662 * genemit.c: Likewise.
2663 * genextract.c: Likewise.
2664 * genflags.c: Likewise.
2665 * gengenrtl.c: Likewise.
2666 * genopinit.c: Likewise.
2667 * genoutput.c: Likewise.
2668 * genpeep.c: Likewise.
2669 * genrecog.c: Likewise.
2670 * getpwd.c: Likewise.
2671 * halfpic.c: Likewise.
2673 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2674 in NEED_DECLARATION_* macros.
2676 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2677 conform to libiberty standards.
2678 (fatal): Fix const-ification of variable `format' in
2679 !ANSI_PROTOTYPES case.
2681 * prefix.c: Remove things made redundant by libiberty.h and/or
2682 conform to libiberty standards.
2684 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2685 conflicting with function `spaces' from libiberty.
2687 * profile.c: Remove things made redundant by libiberty.h and/or
2688 conform to libiberty standards.
2689 * protoize.c: Likewise.
2692 * tlink.c: Likewise.
2693 * toplev.c: Likewise.
2694 * toplev.h: Likewise.
2697 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2699 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2701 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2703 * README.C4X: Updated URLs.
2704 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2705 (valid_parallel_operands_5): Remove unused variable.
2707 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2709 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2711 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2713 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2714 which can be configured.
2715 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2716 (Makefile): Pass actual LANGUAGES through the environment when
2718 (cstamp-h): Likewise.
2719 (config.status): Likewise.
2721 * configure.in (enable_languages): Add new configuration parameter
2722 "--enable-languages=lang1,lang2,...".
2723 (${srcdir}/*/config-lang.in): Change handling to configure only
2724 those directories, that the user might have enabled; default to
2725 "all" existing languages.
2726 * configure: Regenerate.
2728 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2730 * rtlanal.c (regs_set_between_p): New function.
2731 * rtl.h (regs_set_between_p): Prototype it.
2732 * jump.c (jump_optimize): Use it instead of modified_between_p
2733 in the Sep 2 change.
2735 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2736 Matthias Pfaller <leo@dachau.marco.de>
2738 * invoke.texi (Option Summary, NS32K Options): add description
2739 of NS32K specific options.
2741 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2742 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2743 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2744 negdf2, absdf2): Use l instead of f since the double class and
2745 float class are no longer the same.
2746 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2747 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2748 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2749 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2751 (cmpsi, cmphi, cmpqi): use general_operand instead of
2752 non_immediate_operand. Removes erroneous assumption that can't
2754 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2755 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2757 (movstrsi, movstrsi1, movstrsi2): completely new block move
2759 (...): Patterns to exploit multiply-add instructions.
2760 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2761 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2762 patterns to exploit extended divide insns.
2763 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2766 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2767 float return values as well as simple scalar floats.
2768 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2769 support new flag to denote 32381 fpu.
2770 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2771 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2773 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2774 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2775 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2776 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2777 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2778 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2779 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2780 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2781 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2782 fpu registers and special register classes for new 32381
2783 instructions dotf and polyf.
2784 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2786 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2787 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2789 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2790 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2791 (REGISTER_MOVE_COST): move code to register_move_cost function for
2792 ease of coding and debugging.
2793 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2794 LONG_FLOAT_REGO is likely spilled but not caught by default
2796 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2797 instead of hard coded numbers in range check.
2798 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2799 (...): Add prototypes for functions in ns32k.c but disable because
2800 of problems when ns32k.h is included in machine independant files.
2802 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2803 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2804 hard_regno_mode_ok, secondary_reload_class,
2805 print_operand, print_operand_address): new register scheme to
2806 include 32381 fpu registers and special register classes for new
2807 32381 instructions dotf and polyf.
2808 (gen_indexed_expr): Make static to keep namespace clean.
2809 (check_reg): remove since never called.
2810 (move_tail, expand_block_move): helper functions for "movstrsi"
2812 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2813 Increase cost of moves which go via memory.
2814 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2815 (CPP_PREDEFINES): nolonger predefine "unix".
2817 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2818 Remove erroneous %$. print_operand() can work out from the rtx is
2819 an immediate prefix is required.
2821 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2822 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2823 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2825 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2828 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2829 Correct handling of pic operands.
2830 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2831 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2832 -mrtd calling convention.
2834 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2836 * gcc.c (option_map): Recognize --output-class-directory.
2838 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2840 * loop.h (precondition_loop_p): Added new mode argument.
2841 * unroll.c (precondition_loop_p): Likewise.
2842 (approx_final_value): Function deleted and subsumed
2843 into loop_iterations.
2844 (loop_find_equiv_value): New function.
2845 (loop_iterations): Use loop_find_equiv_value to find increments
2846 too large to be immediate constants. Also use it to find terms
2847 common to initial and final iteration values that can be removed.
2849 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2851 * loop.h (struct loop_info): Define new structure.
2852 (precondition_loop_p): Added prototype.
2853 (unroll_loop): Added new argument loop_info to prototype.
2854 (final_biv_value, final_giv_value): Added new argument n_iterations
2856 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2857 and new pointer loop_info.
2858 (loop_n_iterations): Replace global variable by element in
2859 loop_info structure.
2860 (check_final_value): New argument n_iterations.
2861 (insert_bct): New argument loop_info.
2862 (loop_unroll_factor): Replace global array by element in
2863 loop_info structure.
2864 (loop_optimize): Remove code to allocate and initialise
2865 loop_unroll_factor_array.
2866 * unroll.c (precondition_loop_p): No longer static since
2867 used by branch on count optimization.
2868 (precondition_loop_p, unroll_loop): New argument loop_info.
2869 (final_biv_value, final_giv_value, find_splittable_regs): New
2870 argument n_iterations.
2871 (loop_iteration_var, loop_initial_value, loop_increment,
2872 loop_final_value, loop_comparison_code, loop_unroll_factor):
2873 Replaced global variables by loop_info structure.
2874 (loop_unroll_factor): Replace global array by element in
2875 loop_info structure.
2877 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2879 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2882 * unroll.c (precondition_loop_p): Return loop_initial_value
2883 for initial_value instead of loop_iteration_var.
2885 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2887 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2888 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2889 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2890 to output the instruction sequences.
2892 (rptb_top): Provide alternatives to use any register or memory
2894 (rptb_end): Emit use of operands rather than assigning them
2895 explicitly to the RS and RE registers.
2897 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2899 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2900 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2901 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2902 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2903 c4x_merge_notes, c4x_parallel_process,
2904 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2905 c4x_combine_parallel): Delete.
2907 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2909 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2910 with old target options clear flag_branch_on_count_reg if
2911 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2913 (c4x_output_cbranch): Handle a sequence of insns rather than a
2915 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2916 has not been allocated as the loop counter.
2917 (c4x_address_conflict): Do not allow two volatile memory references.
2918 (valid_parallel_operands_4, valid_parallel_operands_5,
2919 valid_parallel_operands_6): Reject pattern if the register destination
2920 of the first set is used as part of an address in the second set.
2922 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2924 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2925 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2926 is no longer enabled if PARALLEL_MPY_FLAG set.
2927 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2928 (REG_CLASS_CONTENTS): Add braces around initializers.
2929 (HAVE_MULTIPLE_PACK): Define.
2930 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2931 REAL_VALUE_TO_DECIMAL.
2932 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2933 REAL_VALUE_TO_DECIMAL.
2934 (ar0_reg_operand): Add prototype.
2935 (ar0_mem_operand): Likewise.
2936 (ar1_reg_operand): Likewise.
2937 (ar1_mem_operand): Likewise.
2938 (ar2_reg_operand): Likewise.
2939 (ar2_mem_operand): Likewise.
2940 (ar3_reg_operand): Likewise.
2941 (ar3_mem_operand): Likewise.
2942 (ar4_reg_operand): Likewise.
2943 (ar4_mem_operand): Likewise.
2944 (ar5_reg_operand): Likewise.
2945 (ar5_mem_operand): Likewise.
2946 (ar6_reg_operand): Likewise.
2947 (ar6_mem_operand): Likewise.
2948 (ar7_reg_operand): Likewise.
2949 (ar7_mem_operand): Likewise.
2950 (ir0_reg_operand): Likewise.
2951 (ir0_mem_operand): Likewise.
2952 (ir1_reg_operand): Likewise.
2953 (ir1_mem_operand): Likewise.
2954 (group1_reg_operand): Likewise.
2955 (group1_mem_operand): Likewise.
2956 (ir1_reg_operand): Likewise.
2957 (arx_reg_operand): Likewise.
2958 (not_rc_reg): Likewise.
2959 (not_modify_reg): Likewise.
2960 (c4x_group1_reg_operand): Remove prototype.
2961 (c4x_group1_mem_operand): Likewise.
2962 (c4x_arx_reg_operand): Likewise.
2964 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2966 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2967 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2969 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2971 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2974 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2976 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2977 unless FMOVD_WORKS is defined.
2979 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2981 * regclass.c (init_reg_sets): Move code that calculates tables
2982 dependent on reg_class_contents from here...
2983 (init_reg_sets_1): To here.
2985 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2987 * cpplib.h: Delete struct import_file. Add ihash element to
2988 struct cpp_buffer. Delete dont_repeat_files and
2989 import_hash_table elements from cpp_reader; change
2990 all_include_files to a hash table. Delete all foobar_include
2991 / last_foobar_include elements from struct cpp_options; put
2992 back four such: quote_include, bracket_include,
2993 system_include, after_include. Redo struct file_name_list
2994 completely. Add new structure type include_hash. Add
2995 prototypes for merge_include_chains and include_hash. Change
2996 prototypes for finclude, find_include_file, and
2997 append_include_chain to match changes below.
2999 * cppfiles.c (simplify_pathname, include_hash,
3000 remap_filename, merge_include_chains): New functions.
3001 (add_import, lookup_import, open_include_file): Removed.
3002 (INO_T_EQ): Define this (copied from cccp.c).
3003 (hack_vms_include_specification): Remove all calls and #if 0
3004 out the definition. It was being called incorrectly and at
3005 the wrong times. Until a VMSie can look at this, it's better
3006 to not pretend to support it.
3007 (append_include_chain): Change calling convention; now takes
3008 only one directory at a time, and sets up the data structure
3010 (redundant_include_p): Rewritten - this is now used for all
3011 include redundancy, whether by #ifndef, #import, or #pragma
3012 once. Looks up things in the include hash table.
3013 (file_cleanup): Decrement pfile->system_include_depth here if
3015 (find_include_file): Calling convention changed; now passes
3016 around a struct include_hash instead of 3 separate parameters.
3017 Guts ripped out and replaced with new include_hash mechanism.
3018 (finclude): Calling convention changed as for
3019 find_include_file. Error exits pulled out-of-line. Reformat.
3020 (safe_read): Return a long, not an int.
3021 (deps_output): Don't recurse.
3023 * cpplib.c (is_system_include): Deleted.
3024 (path_include): Fix up call to append_include_chain.
3025 (do_include): Fix up calls to find_include_file and finclude.
3026 Clean up dependency output a bit. Shorten obnoxiously lengthy
3027 #import warning message. Don't decrement
3028 pfile->system_include_depth here.
3029 (do_pragma): Understand the include_hash structure. Reformat.
3030 (do_endif): Correct handling of control macros. Understand
3032 (cpp_start_read): Fix up calls to finclude. Call
3033 merge_include_chains.
3034 (cpp_handle_option): Fix up calls to append_include_chain.
3035 Understand the four partial include chains.
3036 (cpp_finish): Add debugging code (#if 0-ed out) for the
3038 (cpp_cleanup): Free the include_hash, not the import hash and
3039 the all_include and dont_repeat lists which no longer exist.
3041 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
3043 * toplev.c (no_new_pseudos): Define.
3044 (rest_of_compilation): Set no_new_pseudos as needed.
3045 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
3046 if no_new_pseudos is set.
3047 * rtl.h (no_new_pseudos): Declare it.
3048 * reload1.c (reload): Update comments.
3049 * md.texi: Corresponding changes.
3051 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3053 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
3054 (choose_reload_regs): Rename it here as well. When computing it,
3055 also merge in used hardregs.
3057 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3059 * gcc.c: Split out Objective-C specs to...
3060 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
3063 * c-lex.c (init_parse): Always initialize the filename global.
3064 * objc/objc-act.c (lang_init): Always call check_newline at
3067 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
3069 * reload1.c (reload): Remove unused variable.
3070 (reload_reg_free_for_value_p): Add missing parameter definition.
3072 * jump.c (jump_optimize): Remove unused variable.
3074 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
3076 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
3078 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
3080 * expr.c (move_by_pieces): Similarly.
3081 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
3082 * flow.c (find_auto_inc): Similarly.
3083 (try_pre_increment): Similarly.
3084 * loop.c (strength_reduce): Similarly.
3085 * regclass.c (auto_inc_dec_reg_p): Similarly.
3086 * regmove.c (try_auto_increment): Similarly.
3087 (fixup_match_1): Similarly.
3088 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
3089 (HAVE_PRE_DECREMENT): Similarly.
3090 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
3091 * Corresponding changes to all target header files.
3092 * tm.texi: Update docs for autoinc addressing modes.
3094 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
3096 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
3097 * configure: Rebuild.
3098 * config/elfos.h: New file.
3099 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
3100 config/m68k/t-m68kelf: New file.
3102 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
3104 * Makefile.in (HOST_AR): Define.
3105 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
3106 (libcpp.a): Use the host tools explicitly.
3107 (STAGESTUFF): Add libcpp.a.
3109 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
3111 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
3112 to source and destination registers.
3114 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
3116 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
3117 The strategy we now use is to pre allocate the top_elt along
3118 with the EH context so that each thread has its own top_elt.
3119 This is necessary as the dynmanic cleanup chain is used on the
3120 top element of the stack and each thread MUST have its own.
3121 (eh_context_static): Likewise.
3122 (new_eh_context): Likewise.
3123 (__sjthrow): Likewise.
3125 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
3127 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
3128 * i386.md (prologue_get_pc): Remove unused variable.
3130 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
3132 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
3134 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
3136 * Makefile.in (OBJS): Add graph.o
3137 (graph.o): New dependency list.
3138 * flags.h: Declare dump_for_graph and define graph_dump_types type.
3139 * print-rtl.c (dump_for_graph): Define new variable.
3140 (print_rtx): Rewrite to allow use in graph dumping functions.
3141 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
3142 finish_graph_dump_file.
3143 Define graph_dump_format.
3144 (compile_file): If graph dumping is enabled also clear these files.
3145 Finish graph dump files.
3146 (rest_of_compilation): Also dump graph information if enabled.
3147 (main): Recognize -dv to enabled VCG based graph dumping.
3148 * graph.c: New file. Graph dumping functions.
3150 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
3152 * configure.in: Look for <sys/stat.h>.
3153 * system.h: Include it before substitute S_ISREG definitions.
3155 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
3157 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
3158 * config/mips/iris6.h: Same.
3159 * config/mips/mips.md: Same.
3160 * config/mips/mips.c: Same; also add "-mabi=o64" option.
3161 * config/mips/mips.h: Same; also define ABI_O64.
3163 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3165 * configure.in: Use AC_PREREQ(2.12.1).
3167 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3169 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
3170 * cpplib.c, gcc.c: Likewise.
3171 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
3173 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
3175 * local-alloc.c (local_alloc): Use malloc not alloca for
3176 reg_qty, reg_offset, ref_next_in_qty.
3178 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3180 * caller-save.c (insert_one_insn): Initialize the live_before and
3181 live_after register sets.
3185 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
3186 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
3187 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
3188 (fp_reg_names, assembler_dialect): New variables.
3189 (print_operand_address): Handle SUBREGs.
3190 (print_operand): Added 'o' case.
3191 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
3192 Name of FP registers depends on mode.
3193 (expand_block_move): Emit different code for SH4 hardware.
3194 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
3195 (from_compare): Likewise.
3196 (add_constant): New argument last_value. Changed all callers.
3197 (find_barrier): Don't try HImode load for FPUL_REG.
3198 (machine_dependent_reorg): Likewise.
3199 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
3200 (gen_far_branch): Emit a barrier after the new jump.
3201 (barrier_align): Don't trust instruction lengths before
3203 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
3204 Use auto-inc addressing for fp registers if doubles need to
3205 be loaded in two steps.
3206 Set sh_flag_remove_dead_before_cse.
3207 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
3208 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
3209 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
3210 Support for FIRST_XD_REG .. LAST_XD_REG.
3211 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
3212 (sh_expand_epilogue): Likewise.
3213 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
3214 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
3215 (arith_reg_operand): FPUL_REG is OK for SH4.
3216 (fp_arith_reg_operand, fp_extended_operand) New functions.
3217 (tertiary_reload_operand, fpscr_operand): Likewise.
3218 (commutative_float_operator, noncommutative_float_operator): Likewise.
3219 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
3220 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
3221 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
3222 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
3223 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
3224 (CONDITIONAL_REGISTER_USAGE): Likewise.
3225 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
3226 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
3227 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
3228 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
3229 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
3230 to -1 and sh_flag_remove_dead_before_cse to 1.
3231 (ASSEMBLER_DIALECT): Define to assembler_dialect.
3232 (assembler_dialect, fp_reg_names): Declare.
3233 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
3234 Hide names of registers that are not accessible.
3235 (CACHE_LOG): Take TARGET_CACHE32 into account.
3236 (LOOP_ALIGN): Take TARGET_HARWARD into account.
3237 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
3238 (FIRST_PSEUDO_REGISTER: Now 49.
3239 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
3240 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
3241 (HARD_REGNO_MODE_OK): Update.
3242 (enum reg_class): Add DF_REGS and FPSCR_REGS.
3243 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
3244 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
3245 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
3246 (NPARM_REGS): Eight floating point parameter registers on SH4.
3247 (BASE_RETURN_VALUE_REG): SH4 also passes double values
3248 in floating point registers.
3249 (GET_SH_ARG_CLASS) Likewise.
3250 Complex float types are also returned in float registers.
3251 (BASE_ARG_REG): Complex float types are also passes in float registers.
3252 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
3253 (LIBCALL_VALUE): Remove trailing semicolon.
3254 (ROUND_REG): Round when double precision value is passed in floating
3256 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
3257 passed on the stack.
3258 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
3259 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
3260 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
3261 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
3262 (MODE_DISP_OK_8): Not for SH4 DFmode.
3263 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
3264 Allow indexed addressing for PSImode after reload.
3265 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
3266 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
3267 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
3268 (DOUBLE_TYPE_SIZE): 64 for SH4.
3269 (RTX_COSTS): Add PLUS case.
3270 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
3271 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
3272 MAC_REGS, PR_REGS, DF_REGS.
3273 (REGISTER_NAMES): Use fp_reg_names.
3274 (enum processor_type): Add PROCESSOR_SH4.
3275 (sh_flag_remove_dead_before_cse): Declare.
3276 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
3277 (PREDICATE_CODES): Add binary_float_operator,
3278 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
3279 fpscr_operand, noncommutative_float_operator.
3280 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
3281 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
3282 * sh.md (attribute cpu): Add value sh4.
3283 (attrbutes fmovd, issues): Define.
3284 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
3285 (function units memory, int, mpy, fp): Make dependent on issue rate.
3286 (function units issue, single_issue, load_si, load): Define.
3287 (function units load_store, fdiv, gp_fpul): Define.
3288 (attribute hit_stack): Provide proper default.
3289 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
3290 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
3291 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
3292 (mulsi3_call): Now uses match_operand for function address.
3293 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
3295 (push, pop, push_e, pop_e): Now define_expands.
3296 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
3297 (movsi_ie): Added y/i alternative.
3298 (ic_invalidate_line_i, movdf_i4): New insns.
3299 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
3300 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
3301 (movdf): Add special code for SH4.
3302 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
3303 (call_valuei, calli, call_value): Likewise.
3304 (movsf): Emit no-op move.
3305 (mov_nop, movsi_y): New insns.
3306 (blt, sge): generalize to handle DFmode.
3307 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
3308 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
3309 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
3310 (fpu_switch0, fpu_switch1, movpsi): New expanders.
3311 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
3312 (toggle_sz): New insn.
3313 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
3314 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
3315 (macsf3): Make use of fpscr visible. Disable for SH4.
3316 (floatsisf2): Make use of fpscr visible.
3317 (floatsisf2_i4): New insn.
3318 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
3319 (ieee_ccmpeqsf_t): Likewise.
3320 (fix_truncsfsi2): Emit different code for SH4.
3321 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
3322 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
3323 (negsf2, sqrtsf2, abssf2): Now expanders.
3324 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
3325 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
3326 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
3327 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
3328 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
3329 (fix_truncdfsi2_i4_2+1): New splitters.
3330 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
3331 (extendsfdf2, truncdfsf2): New expanders.
3332 (truncdfsf2_i4): New insn.
3333 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
3334 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
3335 * float-sh.h: When testing for __SH3E__, also test for
3336 __SH4_SINGLE_ONLY__ .
3337 * va-sh.h (__va_freg): Define to float.
3338 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
3339 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
3340 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
3341 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
3343 (TARGET_SH4_P): Define.
3346 * sh.md (movdf_k, movsf_i): Tweak the condition so that
3347 init_expr_once is satisfied about the existence of load / store insns.
3349 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
3350 change m constraint in source operand to mr / mf .
3352 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
3354 * (__VA_REEF): Define.
3355 (__va_arg_sh1): Use it.
3357 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
3359 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
3361 * i386/dgux.c (struct option): Add new "description field".
3362 * m88k/m88k.c (struct option): Likewise.
3364 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
3366 * version.c: Bump for snapshot.
3368 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3370 * regmove.c (regmove_profitable_p): Use return value of find_matches
3373 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
3375 * version.c: Bump for snapshot.
3377 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
3379 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
3380 without reload having been called earlier.
3382 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
3384 (v850_reorg): Similarly.
3386 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
3388 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3390 * loop.c (move_movables): Start of libcall might be new loop start.
3392 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3394 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
3396 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3398 * function.c (nonlocal_goto_handler_slots): Renamed from
3399 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
3400 (push_function_context_to): Adjust for this change.
3401 (pop_function_context_from): Likewise.
3402 (init_function_start): Likewise.
3403 (expand_function_end): Likewise.
3404 * function.h (struct function): Likewise.
3405 * calls.c (expand_call): Likewise.
3406 * explow.c (allocate_dynamic_stack_space): Likewise.
3407 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
3408 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
3410 (expand_goto): When doing a nonlocal goto, find corresponding handler
3411 slot for it. Don't put the label address in the static chain register.
3412 (expand_end_bindings): Break out nonlocal goto handling code into
3413 three new functions.
3414 (expand_nl_handler_label, expand_nl_goto_receiver,
3415 expand_nl_goto_receivers): New static functions, broken out of
3416 expand_end_bindings and adapted to create one handler per nonlocal
3418 * function.c (delete_handlers): Delete insn if it references any of
3419 the nonlocal goto handler slots.
3420 * i960.md (nonlocal_goto): Comment out code that modifies
3422 * sparc.md (nonlocal_goto): Likewise.
3423 (goto_handler_and_restore_v9): Comment out.
3424 (goto_handler_and_restore_v9_sp64): Comment out.
3426 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3428 * expr.c (STACK_BYTES): Delete unused macro.
3429 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
3430 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3431 (expand_call): Likewise.
3432 (emit_library_call): Likewise.
3433 (emit_library_call_value): Likewise.
3434 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
3435 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3436 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
3437 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3438 (allocate_dynamic_stack_space): Likewise.
3439 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
3440 (STACK_BOUNDARY): Update description to reflect the new situation.
3442 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3444 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3445 return with a filled delay slot is followed by a return with an
3446 unfilled delay slot, delete the first return and reemit the insn
3447 that was previously in its delay slot.
3449 * i860.c (single_insn_src_p): Add missing parens.
3450 * ginclude/math-3300.h: Likewise.
3452 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3454 * regclass.c (init_reg_sets_1): Add prototype.
3455 (init_reg_modes): Likewise.
3457 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3459 * c-common.c: Change warning messages to say `comparison is
3460 always true' or `comparison is always false' instead of the
3461 confusing `is always 0', `is always 1'.
3463 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3465 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3466 break instead of return (which loses closing '>').
3468 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3470 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3471 standard 387 constants.
3473 * i386.md (jump): Explicitly set "memory" attribute.
3474 (indirect_jump, prologue_set_stack_ptr): Likewise.
3475 (prologue_get_pc_and_set_got, pop): Likewise.
3476 (allocate_stack_worder, blockage, return_internal): Likewise.
3477 (return_pop_internal, nop): Likewise.
3478 (epilogue_set_stack_ptr, leave): Likewise.
3480 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3482 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3484 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3486 * reload1.c (reload_reg_free_for_value_p):
3487 Early auto_inc reloads don't conflict with outputs.
3489 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3492 Instead call AC_HEADER_SYS_WAIT.
3494 * collect2.c: Don't provide defaults for sys/wait.h macros.
3496 * protoize.c: Likewise. Also, don't include sys/wait.h.
3498 * system.h: Include sys/wait.h and provide macro defaults.
3500 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3502 * Makefile.in (mandir): Set to @mandir@.
3503 (man1dir): New variable to hold the former value of $(mandir).
3504 Replace all uses of $(mandir) by $(man1dir).
3506 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3508 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3509 a new one before passing it to force_const_mem.
3511 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3512 find_reloads_address call.
3514 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3516 * expr.c (store_expr): Don't generate load-store pair
3517 if TEMP is identical (according to ==) with TARGET.
3519 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3521 * reload1.c (reload_reg_free_for_value_p): When considered reload
3522 has an output, matching inputs are not sufficient to avoid conflict.
3524 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3526 * hash.h (hash_table_key): New type.
3527 (hash_entry): Change `string' field to generic `key'.
3528 (hash_table): Add `comp' and `hash' functions.
3529 (hash_table_init): Take them as input.
3530 (hash_table_init_n): Likewise.
3531 (hash_lookup): Modify for generic keys.
3532 (hash_newfunc): Likewise.
3533 (hash_traverse): Likewise.
3534 (string_hash): New function.
3535 (string_compare): Likewise.
3536 (string_copy): Likewise.
3537 * hash.c (hash_table_init_n): Modify for generic keys.
3538 (hash_table_init): Likewise.
3539 (hash_lookup): Likewise.
3540 (hash_newfunc): Likewise.
3541 (hash_traverse): Likewise.
3542 (string_hash): Split out from hash_lookup.
3543 (string_compare): New function.
3544 (string_copy): Split out from hash_lookup.
3545 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3547 (symbol_hash_lookup): Likewise.
3548 (file_hash_newfunc): Likewise.
3549 (file_hash_lookup): Likewise.
3550 (demangled_hash_newfunc): Likewise.
3551 (demangled_hash_lookup): Likewise.
3552 (tlink_int): Likewise.
3553 (read_repo_file): Likewise.
3554 (recompile_files): Likewise.
3555 (demangle_new_symbols): Likewise.
3556 (scan_linker_output): Likewise.
3558 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3560 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3562 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3564 * rs6000.c (output_mi_thunk): Improve test for local branch.
3566 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3568 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3570 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3572 * reload1.c (reload_reg_free_before_p): Delete.
3573 Changed all callers to use reload_reg_free_for_value_p instead.
3574 (reload_reg_free_for_value_p): Handle more reload types.
3575 A RELOAD_FOR_INPUT doesn't conflict with its
3576 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3577 Add special case for OUT == const0_rtx.
3578 Added ignore_address_reloads argument. Changed all callers.
3580 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3582 * toplev.c (compile_file): Don't pedwarn about undefined static
3583 functions just because we passed -Wunused.
3585 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3587 * function.c (purge_addressof_1): Unshare rtl created by
3590 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3592 * regmove.c (regmove_optimize): Don't do anything but
3593 optimize_reg_copy[123] when flag_regmove is not set.
3595 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3597 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3598 value in paradoxical SImode result, rather than truncating midpoint.
3600 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3602 * alpha.c (reg_not_elim_operand): New.
3603 * alpha.h (PREDICATE_CODES): Add it.
3604 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3605 for the multiplicand.
3607 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3609 * rs6000.md (movsf): Remove explicit secondary-reload-like
3610 functionality. Only truncate SFmode store if in FPR.
3611 (movsf splitters): Combine const_double splitters.
3612 (movsf_hardfloat): Add GPR support.
3614 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3616 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3617 deprecate -mlive-g0 and -mbroken-saverestore.
3618 * t-splet (MULTILIB_OPTIONS): Likewise.
3620 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3621 in a leaf function. Clarify total_size/extra_size relationship.
3623 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3625 * i386/cygwin32.asm: Delete.
3626 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3627 * i386/cygwin32.h: Delete.
3628 * i386/cygwin.h: New file, renamed from cygwin32.h.
3629 * i386/t-cygwin32: Delete.
3630 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3631 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3632 * i386/x-cygwin32: Delete.
3633 * i386/x-cygwin: New file, renamed from x-cygwin32.
3634 * i386/xm-cygwin32: Delete.
3635 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3636 renamed cygwin_ funcs for path translations.
3637 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3638 * i386/winnt.c: Remove "32" from comment about cygwin.
3639 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3640 * rs6000/cygwin32.h: Delete.
3641 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3642 -D__CYGWIN__ to CPP_PREDEFINES.
3643 * rs6000/x-cygwin32: Delete.
3644 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3645 * rs6000/xm-cygwin32: Delete.
3646 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3648 * configure.in: Check for cygwin* instead of cygwin32. Account
3649 for the rename of cygwin-related config files to lose the "32"s.
3650 * configure: Regenerate.
3652 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3653 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3655 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3657 * Makefile.in (JAVAGC): New macro.
3658 * configure: Rebuilt.
3659 * configure.in: Recognize --enable-java-gc argument. Subst
3662 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3664 Handle equivalences that have been obscured by gcse:
3666 * reload1.c (reload): Handle equivalences set up in multiple places.
3667 * local-alloc.c (reg_equiv_init_insns): New variable.
3668 (no_equiv): New function.
3669 (update_equiv_regs): Handle equivalences set up in multiple places.
3670 Don't ignore an insn just because its destination is likely to be
3673 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3675 * except.c (expand_eh_return): Readd force_operand call lost in
3678 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3680 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3682 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3684 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3686 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3688 * regmove.c (regmove_optimize): Fix error in last change.
3690 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3692 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3693 offset in the .mask pseudo to compensate for frame pointer adjustments.
3694 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3695 word swap arguments moved to/from FP registers.
3696 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3698 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3700 * version.c: Bump for snapshot.
3702 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3704 * version.c: Bump for snapshot.
3706 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3708 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3709 times, then it can not be completely replaced.
3711 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3713 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3715 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3718 (to distinguish it from the macro wrapping ansidecl.h.)
3719 Include libiberty's ansidecl.h. Remove all redundant definitions.
3720 Define the PROTO() style macros in terms of the PARAMS() ones.
3723 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3724 __STDC__, when deciding whether to use ANSI variable args.
3725 (emit_library_call_value): Likewise.
3727 * cccp.c (error): Likewise.
3728 (warning): Likewise.
3729 (error_with_line): Likewise.
3730 (warning_with_line): Likewise.
3731 (pedwarn): Likewise.
3732 (pedwarn_with_line): Likewise.
3733 (pedwarn_with_file_and_line): Likewise.
3736 * cexp.y (error): Likewise.
3737 (pedwarn): Likewise.
3738 (warning): Likewise.
3740 * collect2.c (fatal_perror): Likewise.
3744 * combine.c (gen_rtx_combine): Likewise.
3746 * cpperror.c (cpp_message): Likewise.
3747 (cpp_fatal): Likewise.
3749 * cpplib.c (cpp_error): Likewise.
3750 (cpp_warning): Likewise.
3751 (cpp_pedwarn): Likewise.
3752 (cpp_error_with_line): Likewise.
3753 (cpp_warning_with_line): Likewise.
3754 (cpp_pedwarn_with_line): Likewise.
3755 (cpp_pedwarn_with_file_and_line): Likewise.
3757 * cpplib.h: Don't define PARAMS() macro.
3759 * demangle.h: Likewise.
3761 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3762 when deciding whether to use ANSI variable args.
3764 * emit-rtl.c (gen_rtx): Likewise.
3765 (gen_rtvec): Likewise.
3767 * final.c (asm_fprintf): Likewise.
3769 * fix-header.c (cpp_message): Likewise.
3771 (cpp_fatal): Likewise.
3773 * gcc.c (concat): Likewise.
3777 * genattr.c (fatal): Likewise.
3779 * genattrtab.c (attr_rtx): Likewise.
3780 (attr_printf): Likewise.
3783 * gencodes.c (fatal): Likewise.
3785 * genconfig.c (fatal): Likewise.
3787 * genemit.c (fatal): Likewise.
3789 * genextract.c (fatal): Likewise.
3791 * genflags.c (fatal): Likewise.
3793 * genopinit.c (fatal): Likewise.
3795 * genoutput.c (fatal): Likewise.
3798 * genpeep.c (fatal): Likewise.
3800 * genrecog.c (fatal): Likewise.
3802 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3803 deciding whether to declare `tree_node' and `rtx_def'.
3805 * hash.h: Don't define stuff we get from gansidecl.h.
3807 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3808 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3809 whether to use ANSI variable args.
3812 * prefix.c (concat): Likewise.
3816 * system.h: Likewise.
3818 * toplev.c (error_with_file_and_line): Likewise.
3819 (error_with_decl): Likewise.
3820 (error_for_asm): Likewise.
3823 (warning_with_file_and_line): Likewise.
3824 (warning_with_decl): Likewise.
3825 (warning_for_asm): Likewise.
3826 (warning): Likewise.
3827 (pedwarn): Likewise.
3828 (pedwarn_with_decl): Likewise.
3829 (pedwarn_with_file_and_line): Likewise.
3831 (really_sorry): Likewise.
3833 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3834 whether to declare `tree_node' and `rtx_def'.
3836 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3837 deciding whether to use ANSI variable args.
3838 (build_nt): Likewise.
3839 (build_parse_node): Likewise.
3841 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3843 * version.c: Bump for snapshot.
3845 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3847 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3849 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3851 * collect2.c (main, case 'b'): Use else if.
3853 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3855 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3856 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3857 before the config/ directory headers.
3858 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3859 gansidecl.h in the list of dependencies.
3861 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3862 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3863 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3864 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3865 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3866 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3869 * cccp.c: Don't include gansidecl.h.
3871 * collect2.c: Likewise.
3872 * config/c4x/c4x.c: Likewise.
3873 * config/v850/v850.h: Likewise.
3874 * cppalloc.c: Likewise.
3875 * cpperror.c: Likewise.
3876 * cppexp.c: Likewise.
3877 * cppfiles.c: Likewise.
3878 * cpphash.c: Likewise.
3879 * cpplib.c: Likewise.
3880 * cppmain.c: Likewise.
3881 * cppulp.c: Likewise.
3882 * demangle.h: Likewise.
3883 * doprint.c: Likewise.
3884 * dyn-string.c: Likewise.
3885 * eh-common.h: Likewise.
3886 * fix-header.c: Likewise.
3887 * frame.c: Likewise.
3890 * gen-protos.c: Likewise.
3891 * gencheck.c: Likewise.
3892 * halfpic.h: Likewise.
3894 * machmode.h: Likewise.
3895 * mbchar.c: Likewise.
3896 * prefix.c: Likewise.
3897 * protoize.c: Likewise.
3898 * recog.h: Likewise.
3900 * scan-decls.c: Likewise.
3902 * varray.h: Likewise.
3904 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3906 * i386.md (call_value_pop): If we're not popping anything,
3907 defer to call_value.
3908 (call_pop): Likewise defer to call.
3910 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3912 * function.c (purge_addressof): Clear purge_addressof_replacements
3913 only after processing the whole function.
3915 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3917 * reload1.c (reload): If we can not perform a particular elimination
3918 when we thought we could earlier, then we must always iterate through
3919 the loop at least one more time.
3921 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3923 * alpha.c (add_operand): Simplify the CONST_INT match.
3924 (sext_add_operand): Correct typo in comparison by using
3925 CONST_OK_FOR_LETTER_P.
3926 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3927 constant alternatives to be generated.
3928 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3929 small constants, since the hw instructions do.
3931 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3933 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3934 previous insn to store directly into our reload register, make sure
3935 that if the source of the previous insn is a reload register, its
3936 spill_reg_store and spill_reg_stored_to values are cleared.
3938 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3940 * rs6000.md (floatunssidf2_internal splitter): Use base register
3941 operand, not hard-coded SP.
3943 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3945 * jump.c (calculate_can_reach_end): Fix thinko.
3947 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3949 * reorg.c (fill_simple_delay_slots): Fix typo.
3951 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3953 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3955 * i386.md (extendsidi2): Use # in the output template.
3956 (extendsidi splitters): New splitters.
3958 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3960 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3962 * configure: Regenerate.
3964 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3966 * jump.c (init_label_info, delete_barrier_successors,
3967 mark_all_labels, delete_unreferenced_labels,
3968 delete_noop_moves, calculate_can_reach_end): New functions broken
3969 out of jump_optimize.
3970 (jump_optimize): Use them.
3972 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3974 * except.c (expand_fixup_region_end): Make sure outer context labels
3975 are not issued in an inner context during cleanups.
3977 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3979 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3982 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3984 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3985 to expose this midpoint to CSE.
3987 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3989 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3991 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3993 * configure.in: Bring over gcc2 change of Nov 19 1997.
3995 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3997 * toplev.c (output_lang_identify): Make definition dependent on
3998 ASM_IDENTIFY_LANGUAGE.
4000 * print-rtl.c (spaces): Make static.
4002 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4004 * extend.texi: Clarify proper uses for register clobbers in asms.
4006 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4008 * recog.h (enum op_type): Define.
4009 (constrain_operands): Adjust prototype.
4010 (recog_op_type): Declare new variable.
4011 * recog.c (recog_op_type): New variable.
4012 (insn_invalid_p): Allow modifying an asm statement after reload.
4013 (extract_insn): Set up recog_op_type.
4014 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4015 Don't compute operand types, use recog_op_type.
4016 Use the information computed by extract_insn instead of the previous
4017 method of finding it by insn code number.
4018 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4019 * reorg.c (fill_slots_from_thread): Likewise.
4020 * reload1.c (reload_as_needed): Likewise.
4021 (gen_reload): Likewise.
4022 (inc_for_reload): Likewise.
4023 (reload_cse_simplify_operands): Likewise.
4024 Use the information computed by extract_insn instead of the previous
4025 method of finding it by insn code number.
4026 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
4028 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
4029 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
4030 Use the information computed by extract_insn instead of the previous
4031 method of finding it by insn code number.
4032 * regmove.c (find_matches): Likewise. Change meaning of the return
4033 value to be nonzero if the optimization can be performed, zero if
4034 not. All callers changed.
4035 Shorten some variable names to fix formatting problems.
4036 (regmove_optimize): Shorten some variable names to fix formatting
4038 Use the information computed by extract_insn instead of the previous
4039 method of finding it by insn code number.
4040 * regclass.c (scan_one_insn): Likewise.
4041 (record_reg_classes): Don't compute operand types, use recog_op_type.
4042 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
4043 recog_constraints instead.
4045 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
4047 * rtl.h (flow2_completed): Declare.
4048 * flow.c (flow2_completed): Definition.
4049 * toplev.c (rest_of_compilation): Set and clear flow2_completed
4052 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4054 * Makefile.in (libcpp.a): Ranlib libcpp.a
4056 * cppulp.c (user_label_prefix): Initialize.
4058 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
4060 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
4061 at a RETURN if current_function_sp_is_unchanging is set.
4063 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4065 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
4067 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
4069 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
4070 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
4071 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
4072 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
4073 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
4074 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
4076 (LIB_SPEC): Handle -mno-cyginw option.
4077 (LINK_SPEC): Handle -mdll.
4079 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4081 * reload.c (find_reloads): Fix test for usage by other reload
4082 to handle secondary reloads properly.
4084 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4086 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
4087 intermediate structure which has exactly the members provided by
4088 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
4089 static intermediate structure.
4091 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
4092 from the intermediate structure. Do the same analogous fix in
4093 the case where ELIMINABLE_REGS is not defined.
4095 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
4097 * pa.h (SELECT_SECTION): Fix thinko.
4099 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
4101 * dwarf2out.c (output_call_frame_info): Comments on last change.
4103 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
4105 * arm.c (add_constant): When taking the address of an item in the
4106 pool, get the mode of the item addressed.
4108 * arm.c (final_prescan_insn case INSN): If an insn doesn't
4109 contain a SET or a PARALLEL, don't consider it for conditional
4112 Restore ABI compatibility for NetBSD.
4113 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
4115 (RETURN_IN_MEMORY): Likewise.
4117 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
4119 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
4120 (m32r_output_block_move): Rewrite bytes < 4 handling.
4122 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * configure.in: Call AC_FUNC_VFORK.
4126 * collect2.c: Define VFORK_STRING as a printable string for
4127 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
4128 defined, include vfork.h. If VMS is defined, define vfork()
4129 appropriately. Remove vfork check on USG, we're using autoconf.
4130 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
4131 checking locally what string to pass.
4132 (scan_prog_file): Likewise.
4133 (scan_libraries): Likewise.
4135 * gcc.c: Remove vfork check on USG, we're using autoconf.
4136 Besides, no calls to vfork/fork occur in this file.
4138 * protoize.c: Likewise.
4140 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4142 * configure.in (DEFAULT_LINKER): renamed from LD
4143 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
4144 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
4145 * configure: rebuilt
4147 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4149 * BUGS: fix the regexp for `more' to find the appropriate node.
4150 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
4152 * BUGS: added link to the WWW FAQ
4154 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
4156 * version.c: Bump for snapshot.
4158 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
4160 * From Christian Gafton:
4161 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
4162 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
4163 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
4165 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
4167 * c-common.c (c_get_alias_set): Allow all type-punning through
4168 unions. Don't get confused about the type of a bit-field, despite
4169 the antics of build_modify_expr.
4171 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
4173 * fixinc.sco: Paramaterize #include_next values.
4174 * fixinc/fixinc.sco: Likewise.
4176 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
4178 * toplev.c (rest_of_compilation): No longer set reload_completed.
4179 * reload1.c (reload): Set it here. Perform instruction splitting
4180 after reload has completed if we will be running the scheduler
4183 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
4185 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
4186 EH region if exceptions are enabled and we're performing cross
4188 (find_cross_jump): Exit loop if the insns are in different EH regions.
4190 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
4192 * dwarf2out.c (output_call_frame_info): Use
4193 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
4195 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4197 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4198 * c-common.c (check_format_info): Don't check for the 'x'
4199 format character twice, instead check for 'x' and 'X'
4201 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
4203 * configure.in (assembler features): Also make gas is configured if
4204 we find it in the souce tree.
4206 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
4208 * i386.c (i386_comp_type_attributes): Compare whether the
4209 attributes are defined, not their tree nodes.
4211 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4213 * configure.in (gxx_include_dir): bitten by autoconf quoting
4215 * configure: rebuilt
4217 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4219 * configure.in: Ignore non-absolute value in $AS.
4221 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
4223 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
4225 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
4227 * configure.in (msdosdjgpp): Set exeext and target_alias.
4229 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4231 * flow.c (XNMALLOC): New macro.
4232 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
4234 (add_edge, add_edge_to_label): New static functions.
4235 (free_bb_memory): New function.
4236 (flow_delete_insn): Delete function.
4237 (basic_block_drops_in): Delete variable.
4238 (find_basic_blocks): Allocate and initialize basic_block_head,
4239 basic_block_succ. Don't allocate basic_block_drops_in.
4240 Call free_bb_memory at the beginning.
4241 (find_basic_blocks_1): Don't do multiple passes.
4242 Delete code to compute basic_block_drops_in.
4243 After calling make_edges, mark blocks reached by current block live.
4244 Update test for unreachable live blocks.
4245 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
4247 Simplify to call add_edge_to_label when a LABEL_REF is found.
4248 (make_edges): Simplify to call add_edge_to_label instead of
4249 mark_label_ref most of the time.
4250 Compute here whether control drops into the next block.
4251 (delete_unreachable_blocks): Return void. All callers changed.
4252 Delete unreachable blocks in reverse order.
4253 After deleting all unreachable blocks, renumber the remaining ones
4254 and update n_basic_blocks.
4255 (delete_block): Speed up deletion a bit.
4256 Don't set basic_block_drops_in for deleted blocks.
4257 (free_basic_block_vars): Don't free basic_block_drops_in.
4258 (life_analysis_1): Update to use new edge representation.
4259 (dump_flow_info): Delete code to print basic block info; call
4260 dump_bb_data instead.
4261 (compute_preds_succs): Delete code to recompute basic_block_drops_in
4262 and uid_block_number.
4263 Simply copy the previously computed cfg.
4264 (dump_bb_data): New arg LIVE_INFO. All callers changed.
4265 Print register lifetime information if LIVE_INFO is nonzero.
4266 * basic-block.h (dump_bb_data): Adjust prototype.
4267 * gcse.c (gcse_main): Update call to dump_bb_data.
4268 * rtl.h (free_bb_memory): Declare.
4269 * toplev.c (rest_of_compilation): Call free_bb_memory.
4271 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4272 (update_eliminable_offsets): Don't compute it.
4273 (set_initial_elim_offsets): Don't initialize it.
4274 Break out some code into set_initial_label_offsets so the rest of
4275 this function can be called from reload_as_needed.
4276 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
4277 ELIMINABLE_REGS isn't.
4278 (set_initial_label_offsets): New function, broken out of
4279 set_initial_elim_offsets.
4280 (set_offsets_for_label): New function, broken out of set_label_offsets
4281 and reload_as_needed.
4282 (reload): Call the two new functions.
4283 (reload_as_needed): Call set_initial_elim_offsets instead of
4284 duplicating the code. Likewise for set_offsets_for_label.
4286 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
4287 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
4288 any hard reg, reg_reloaded_dead contains valid data.
4290 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
4292 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
4293 "stdcall" and "cdecl" attributes.
4295 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
4297 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
4298 handle deleted no-op moves of hard registers.
4299 * haifa-sched.c (update_flow_info): Likewise.
4301 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
4303 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
4304 of the sequences to reload the HILO register which do not actually
4307 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
4309 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
4311 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4313 * except.c (emit_eh_context): Make the EH context register stay alive
4314 at -O0 so stupid.c doesn't get confused.
4316 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4318 * emit-rtl.c (try_split): Do not try to split a BARRIER.
4320 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
4321 Jeffrey A Law (law@cygnus.com)
4323 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
4324 (zero_extendsidi2): Use # in output template and handle completely by
4326 (zero_extend splitters): New define_splits.
4327 (ashiftrt_32): New pattern.
4329 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4331 * tree.c (append_random_chars): New fn.
4332 (get_file_function_name_long): Use it.
4334 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
4336 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4337 (LIBCPP_OBJS): New. Add cppulp.o.
4338 (cppmain, fix-header): Depend on and use libcpp.a.
4339 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
4340 of the individual object files.
4341 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
4344 * cccp.c (user_label_prefix): New.
4345 (main): Set it off -f*leading-underscore.
4346 (special_symbol): Use it.
4347 * cpplib.c (special_symbol): Likewise.
4348 (cpp_handle_option): Handle -f*leading-underscore.
4349 * cppulp.c: New file.
4351 * output.h (user_label_prefix): Declare it.
4352 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
4353 * toplev.c (f_options, main): Handle -f*leading-underscore.
4355 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
4356 referencing USER_LABEL_PREFIX directly.
4357 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
4358 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
4359 * final.c (asm_fprintf): Use user_label_prefix instead.
4360 * arm/thumb.c (thumb_print_operand): Likewise.
4362 * gcc.c (default_compilers): Pass -f*leading-underscore on to
4363 cpp wherever appropriate.
4365 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
4367 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
4368 specific compiler switches.
4370 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
4372 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
4375 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
4378 structure which has exactly the members provided by EXTRA_SPECS.
4379 Xmalloc() the real `extra_specs', and initialize it from this
4380 intermediate structure.
4382 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
4384 * mips.h (EXTRA_SPECS): Likewise.
4386 * sparc.h (EXTRA_SPECS): Likewise.
4388 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4390 * function.c (purge_addressof_1): Instead of aborting when a
4391 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
4392 work just put the ADDRESSOF on stack. Otherwise remember all such
4393 successfull replacements, so that exactly the same replacements
4394 can be made on the REG_NOTEs. Remove the special case for CALL
4396 (purge_addressof_replacements): New variable.
4397 (purge_addressof): Clear it at end.
4399 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4401 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
4402 (lang_init): Call check_newline always.
4403 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
4404 cpp_start_read, set yy_cur and yy_lim to read from
4405 parse_in.token_buffer, so that we'll see the first #line
4407 * cpplib.c (cpp_start_read): finclude the main input file
4408 before processing -include/-imacros. Process -imacros and
4409 -include separately, and handle -include by stacking a
4410 buffer for the file in question as if it'd been #included.
4411 * toplev.c (documented_lang_options) Recognize -H when
4414 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4416 * cpplib.c: Merge do_once into do_pragma. Break file handling
4417 code out of do_include.
4418 Move append_include_chain, deps_output,
4419 file_cleanup, redundant_include_p, import_hash,
4420 lookup_import, add_import, read_filename_string, read_name_map,
4421 open_include_file, finclude, safe_read to cppfiles.c.
4422 Move prototypes for deps_output, append_include_chain,
4423 finclude to cpplib.h. Move definition of struct
4424 file_name_list there also.
4426 * cppfiles.c: New file. Contains all the above functions
4427 broken out of cpplib.c; also hack_vms_include_specification
4428 from cccp.c and find_include_file, a new function broken out of
4431 * Makefile.in (cppmain): Depend on cppfiles.o.
4432 (fix-header): Likewise.
4433 (cppfiles.o): New target.
4434 * configure.in (--enable-c-cpplib): Add cppfiles.o to
4435 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
4437 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
4439 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
4440 if pending_types is non-zero.
4441 (dwarfout_finish): Verify pending_types is zero before finishing.
4443 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4445 * expr.c (convert_move): Use shifts to perform the move if a
4446 suitable extend pattern cannot be found. Code written by
4447 Richard Henderson <rth@cygnus.com>.
4449 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4451 * regclass.c (renumber, regno_allocated): New static variables, moved
4452 out of allocate_reg_info.
4453 (allocate_reg_info): Move these two variables outside the function.
4454 Move code to free memory into new function free_reg_info.
4455 (free_reg_info): New function, broken out of allocate_reg_info.
4456 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4457 * rtl.h (allocate_reg_info): Don't declare.
4458 (free_reg_info): Declare.
4460 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4462 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4464 * toplev.c (compile_file): Temporarily revert last change.
4466 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4468 * c-typeck.c (convert_for_assignment): Parenthesize.
4470 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4472 * reload1.c (delete_output_reload): Avoid ambigous else.
4474 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4476 * toplev.c (compile_file): Call allocate_reg_info to free register
4478 * rtl.h (allocate_reg_info): Declare.
4480 * PROJECTS: Remove entry for local spilling.
4482 * final.c (cleanup_subreg_operands): New function.
4483 (final_scan_insn): Use it.
4484 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4486 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4487 operands when reload has finished.
4488 * reload.h (cleanup_subreg_operands): Declare..
4489 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4490 reload. Handled in reload itself.
4492 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4494 * reload1.c (verify_initial_offsets): New function.
4495 (reload): Call it after reload_as_needed. Also verify that the frame
4496 size stays constant during reload_as_needed.
4497 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4499 * reload.h (struct insn_chain): Add need_operand_change element.
4500 * reload1.c (new_insn_chain): Clear it.
4501 (calculate_needs_all_insns): Set it; don't overload need_reload.
4502 (reload_as_needed): Use it.
4504 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4505 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4506 and reload_address_index_reg_class.
4507 (find_reloads_address_1): Likewise.
4508 * reload.h (reload_address_base_reg_class,
4509 reload_address_index_reg_class): Don't declare.
4510 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4511 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4512 (used_spill_regs): Now static.
4513 (reload_address_base_reg_class, reload_address_index_reg_class,
4514 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4515 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4516 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4519 (init_reload): Delete code to compute base/index reg classes.
4520 (reload): Delete variable J.
4521 Delete code to manage basic_block_needs.
4522 Don't compute regs_explicitly_used.
4523 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4524 pseudo_previous_regs.
4525 Initialize bad_spill_regs_global.
4526 Don't call order_regs_for_reload here.
4527 Don't initialize spill_reg_order and n_spills.
4528 Don't forbid explicitly used regs to be used for spill regs.
4529 Change main loop to infinite loop, with explicit break statements.
4530 Make SOMETHING_CHANGED variable local to that loop.
4531 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4532 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4533 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4535 Don't call dump_needs.
4536 Delete code to reset potential_reload_regs.
4537 Delete code to terminate loop conditional on the global needs variables
4538 showing no further needs.
4539 (calculate_needs_all_insns): Return void. All callers changed.
4540 Initialize somehing_needs_elimination here, not in reload.
4541 Delete avoid_return_reg kludge.
4542 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4543 All callers changed.
4544 Initialize the group_mode and group_size elements of the arg CHAIN.
4545 Delete code to manage basic_block_needs.
4546 Operate on elements of CHAIN instead of global variables.
4547 Delete avoid_return_reg kludge.
4548 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4549 All callers changed.
4550 Operate on elements of CHAIN instead of global variables.
4551 Delete special SMALL_REGISTER_CLASSES code.
4552 Delete spill_failure code; now in new_spill_reg.
4553 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4554 All callers changed.
4555 Operate on elements of CHAIN instead of global variables.
4556 (maybe_mark_pseudo_spilled): New static function.
4557 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4558 All callers changed.
4559 Operate on elements of CHAIN instead of global variables.
4560 Call order_regs_for_reload here, not in reload.
4561 Initialize spill_reg_order and n_spills.
4562 Simplify test whether an asm insn is involved.
4563 Delete spill_failure code; now in new_spill_reg.
4564 Call maybe_mark_pseudo_spilled for everything marked as live in
4565 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4567 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4568 compiler from optimizing this function (now unused) away.
4569 Operate on elements of CHAIN instead of global variables.
4570 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4572 Operate on elements of CHAIN instead of global variables.
4573 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4574 take CHAIN arg. All callers changed.
4575 Operate on elements of CHAIN instead of global variables.
4576 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4577 CHAIN, NONGROUP args. Return void. All callers changed.
4578 Verify caller isn't trying to spill a pseudo.
4579 Simplify test for illegal reg, just use bad_spill_regs.
4580 Generate better error messages.
4581 Operate on elements of CHAIN instead of global variables.
4582 Mark spilled register in CHAIN's used_spill_regs element.
4583 Don't call spill_hard_reg.
4584 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4585 Mark spilled hard regs in bad_spill_regs_global.
4586 Mark affected pseudos in spilled_pseudos, but don't spill them.
4587 (ior_hard_reg_set): New static function.
4588 (finish_spills): Return int. All callers changed.
4589 Compute spill_reg_order, n_spills and spill_regs here. Also update
4590 regs_ever_live for regs used as spills.
4591 For every pseudo in spilled_pseudos, spill it and mark the previous
4592 hard reg it had in pseudo_previous_regs. Compute which hard regs
4593 arseudo): New static function.
4594 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4595 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4596 hard registers explicitly used across the current insn into the set.
4597 Compute hard_reg_n_uses taking only pseudos live across this insn
4599 Tweak sorting of potential_reload_regs.
4600 (compare_spill_regs): Delete function.
4601 (reload_as_needed): Don't sort the spill_regs array, it's computed
4602 in proper order in finish_spills.
4603 Delete avoid_return_reg kludge.
4604 Delete code to manage basic_block_needs.
4605 (allocate_reload_reg): Minor speed/readability tweaks.
4606 Operate on elements of CHAIN instead of global variables.
4607 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4608 Delete avoid_return_reg kludge.
4609 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4610 Delete unused label FAIL.
4611 (reload_combine): Replce reload_address_index_reg_class with
4613 Don't use used_spill_regs to determine information about lifetime of
4616 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4618 * toplev.c (display_help): Ignore empty target specific
4619 options, and if -W is also specified on the command line then
4620 display undocumented options.
4622 * config/arm/arm.c: Updated with changes in devo sources.
4623 * config/arm/arm.h: Updated with changes in devo sources.
4624 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4625 * config/arm/lib1thumb.asm: Add ELF support.
4627 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4629 * collect2.c (aix64_flag): New variable.
4630 (main, case 'b'): Parse it.
4631 (GCC_CHECK_HDR): object magic number must match mode.
4632 (scan_prog_file): Only check for shared object if valid header.
4633 Print debugging if header/mode mismatch.
4635 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4637 Added support for arm-elf-linux configuration, submitted by Philip
4638 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4639 code developed by Catherine Moore <clm@cygnus.com>. The following
4642 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4645 * configure: Regenerated.
4647 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4648 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4649 definitions conditional on their not having been already defined.
4651 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4652 and .type directives, and add "(PLT)" qualification to function
4655 * config/arm/linux.h: Deleted. This file is now superceeded by
4656 either linux-elf.h or linux-aout.h.
4658 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4659 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4661 Move definitions from old linux.h file here.
4663 * config/arm/elf.h: New file. Generic ARM/ELF support.
4665 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4667 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4669 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4670 using the 26bit APCS.
4672 * config/arm/unknown-elf.h: New file. Support for OS'es other
4673 than Linux with ELF.
4675 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4678 * config/arm/coff.h: Include aout.h for basic assembler macros.
4679 Add support for -mstructure_size_boundary=<n> command line option.
4681 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4682 command line option. Make macro definitions conditional on their
4683 not having been already defined.
4685 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4686 command line option.
4689 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4691 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4692 has been changed to not include a newline. Use this macro instead.
4693 (output_enumeral_list, const_value_attribute, name_attribute,
4694 comp_dir_attribute, prototyped_attribute, producer_attribute,
4695 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4696 dwarfout_file_scope_decl, generate_new_sfname_entry,
4697 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4698 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4700 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4702 * combine.c (subst): Process the inputs to a parallel asm_operands
4705 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4707 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4709 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4711 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4713 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4715 * version.c: Bump for snapshot.
4717 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4719 * stmt.c (expand_fixup): Set fixup->before_jump to a
4720 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4722 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4724 * Makefile.in (recog.o): Depend on toplev.h.
4725 (insn-emit.o): Depend on recog.h.
4726 (insn-peep.o): Depend on recog.h and insn-config.h.
4728 * combine.c (simplify_set): Remove unused variable `scratches'.
4730 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4731 and `idx' in macro conditional controlling their use.
4733 * genemit.c (main): Make the generated output file include
4734 recog.h. Don't have it declare `insn_operand_constraint', since
4735 we get it from recog.h.
4737 * genpeep.c (main): Make the generated output file include
4738 insn-config.h and recog.h.
4740 * recog.c: Include toplev.h.
4741 (extract_insn): Remove unused variable `p'.
4743 * regclass.c (fix_register): Add missing braces around initializer
4745 (allocate_reg_info): Move variable `i' into the scope where it is
4746 used. Change its type to `size_t'.
4748 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4750 * reload.c (push_reload): When merging reloads, make sure
4751 that reload_in_reg and reload_in are from the same reload in
4754 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4756 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4757 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4759 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4761 * loop.c (loop_has_tablejump): New variable.
4762 (prescan_loop): Scan for it.
4763 (insert_bct): Replace explicit scan with use of it.
4764 * regclass.c (regclass): Restore loop variable j.
4765 (record_reg_classes): Deterine op_types modifiers and initialize
4766 classes[i] before matching constraints. Handle matching
4769 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4771 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4774 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4776 * mips.h (EXTRA_SPECS): Add missing initializers.
4778 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4780 * sparc.h (EXTRA_SPECS): Add missing initializers.
4781 (sparc_defer_case_vector): Provide a prototype.
4783 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4784 comparing it to the result of a pointer subtraction.
4786 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4789 the argument to (unsigned char).
4791 * alpha.h (EXTRA_SPECS): Add missing initializers.
4792 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4795 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4797 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4798 (propagate_block): Delete dead code after reload.
4800 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4801 back Oct 15, 1998 change.
4802 * haifa-sched.c (update_flow_info): Likewise.
4803 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4805 * mn10200.md (truncated shift): Accept constant inputs too.
4807 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4809 * machmode.h (mode_mask_array): No longer const.
4810 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4812 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4814 * frame.c: Somewhat explain `FDE'.
4815 Suggested by Brendan Kehoe
4817 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4819 * expr.c (pending_chain): Move up.
4820 (save_expr_status): Do save pending_chain.
4821 (restore_expr_status): And restore it.
4822 * function.h (struct function): Add pending_chain.
4824 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4826 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4827 did not match the code.
4829 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4831 * regclass.c (regclass): Break out some code into new function
4832 scan_one_insn, and into regclass_init.
4833 (init_cost): New static variable, moved out of regclass.
4834 (regclass_init): Initialize it here, not in .
4835 (scan_one_insn): New static function, broken out of regclass.
4836 * recog.c (apply_change_group): Break out some code into new
4837 function insn_invalid_p.
4838 (insn_invalid_p): New static fn, broken out of apply_change_group.
4840 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4842 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4843 reg_reloaded_contents matches incremented pseudo.
4845 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4847 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4849 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4850 addressing modes with side effects. These are currently
4851 placeholders for the C4x target.
4853 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4855 * loop.c (express_from): Make sure that when generating a PLUS of
4856 a PLUS, any constant expression appears on the outermost PLUS.
4858 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4860 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4861 works if "$(srcdir)" != ".".
4863 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4865 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4866 existing SUBREG if we can, otherwise abort.
4868 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4870 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4871 `restrict' is applied to a non-pointer variable.
4873 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4875 * invoke.texi: Document -flang-isoc9x.
4877 * Makefile.in (OBJS): Add splay-tree.o.
4878 (c-common.o): Depend on rtl.h.
4879 (splay-tree.o): List dependencies and provide build rule.
4881 * rtl.h (record_alias_subset): New function.
4882 * alias.c: Include splay-tree.h.
4883 (alias_set_entry): New type.
4884 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4885 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4886 (mems_in_disjoin_alias_sets_p): New function.
4887 (alias_set_compare): Likewise.
4888 (insert_subset_children): Likewise.
4889 (get_alias_set_entry): Likewise.
4891 * tree.h (TYPE_RESTRICT): New macro.
4892 (TYPE_UNQUALIFIED): New manifest constant.
4893 (TYPE_QUAL_CONST): Likewise
4894 (TYPE_QUAL_VOLATILE): Likewise.
4895 (TYPE_QUAL_RESTRICT): Likewise.
4896 (tree_type): Add restrict_flag. Reduce count of free bits.
4897 (DECL_POINTER_ALIAS_SET): New macro.
4898 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4899 (tree_decl): Add pointer_alias_set.
4900 (build_qualified_type): New function.
4901 (build_type_variant): Define in terms of build_qualified_type.
4902 * tree.c (set_type_quals): New function.
4903 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4904 (build_type_attribute_variant): Use build_qualified_type and
4906 (build_type_variant): Rename, and modify, to become...
4907 (build_qualified_type): New function.
4908 (build_complex_type): Use set_type_quals.
4910 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4911 (C_TYPE_FUNCTION_P): Likewise.
4912 (C_TYPE_INCOMPLETE_P): Likewise.
4913 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4914 (c_apply_type_quals_to_decl): New function.
4915 (c_build_qualified_type): New function.
4916 (c_build_type_variant): Define in terms of c_build_qualified_type.
4917 (flag_isoc9x): Declare.
4918 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4919 (common_type): Change to use TYPE_QUALS.
4920 (comptypes): Likewise.
4921 (convert_for_assignment): Likewise.
4922 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4923 * c-decl.c (flag_isoc9x): Define.
4924 (c_decode_option): Handle -flang-isoc9x.
4925 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4926 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4927 * c-lex.c (init_lex): Deal with restrict.
4928 (init_lex): Don't treat restrict as a reserved word in
4929 -traditional mode, or without -flang-isoc9x.
4930 * c-lex.h (rid): Add RID_RESTRICT.
4931 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4932 equivalent to RID_RESTRICT.
4933 * c-parse.in (TYPE_QUAL): Update comment.
4934 * c-common.c: Include rtl.h.
4935 (c_find_base_decl): New function.
4936 (c_build_type_variant): Rename, and modify, to become ...
4937 (c_build_qualified_type): New function.
4938 (c_apply_type_quals_to_decl): Likewise.
4939 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4940 a particular alias set for the reference.
4941 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4943 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4945 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4946 command line switches.
4948 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4950 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4953 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4955 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4957 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4959 * regclass.c (fix_register): Add error message.
4960 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4963 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * c-decl.c (warn_missing_noreturn): New global variable.
4966 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4967 (finish_function): Implement missing noreturn warning.
4969 * c-tree.h (warn_missing_noreturn): Declare extern.
4971 * invoke.texi: Document new flags.
4973 * toplev.c (documented_lang_options): Add description.
4975 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4977 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4978 loop optimization stable for the C4x.
4979 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4980 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4981 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4983 (c4x_address_conflict): Be more paranoid when packing a volatile
4984 memref in a parallel load/store.
4986 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4988 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4989 repeat_block_filler): Deleted.
4990 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4991 Condition code not set if destination register from 'c' class.
4992 (*subbqi3_carry_clobber): Fix typo.
4994 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4996 * reorg.c (steal_delay_list_from_target) Check for insns that
4997 modify the condition codes and effect the direction of the jump
5000 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5002 * function.c (purge_addressof_1): Replace call to
5003 emit_insns_before() with emit_insn_before().
5005 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5007 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5009 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5011 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5013 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5015 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5016 clobbered across calls.
5018 * loop.c (scan_loop): Be more selective about what invariants are
5019 moved out of a loop.
5021 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5023 * version.c: Bump for snapshot.
5025 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5027 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
5028 static eh_context structure.
5030 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5032 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5034 (try_combine): Don't update max_scratch.
5035 * flow.c (max_scratch, num_scratch): Delete variables.
5036 (life_analysis_1): Don't initialize max_scratch.
5037 (propagate_block): Don't update max_scratch.
5038 (mark_set_1): Don't increment num_scratch.
5039 * regs.h (max_scratch): Delete declaration.
5041 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
5043 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
5044 is nonzero. This is temporary!
5046 * sched.c (update_flow_info): Handle death notes made invalid by
5047 instruction splitting. Partially reverts Oct 15, 1998 patch.
5048 * haifa-sched.c (update_flow_info): Likewise.
5050 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
5052 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
5053 if it has a nonzero DECL_INITIAL.
5055 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5057 * Makefile.in (flow.o): Depend on recog.h.
5059 * cpplib.h (directive_table): Add missing initializiers.
5060 (finclude): Change type of variable `bsize' to size_t.
5062 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
5064 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
5066 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
5067 `int' when comparing against one.
5068 (cpp_file_line_for_message): Mark parameter `pfile' with
5070 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5072 * flow.c: Include recog.h.
5073 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
5075 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
5076 `f' with ATTRIBUTE_UNUSED.
5077 (reposition_prologue_and_epilogue_notes): Likewise.
5079 * genopinit.c (gen_insn): Cast argument of ctype functions to
5082 * haifa-sched.c: Include recog.h.
5083 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
5084 comparing against one.
5086 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
5088 * mips-tfile.c (parse_end): Cast the argument of ctype function to
5090 (parse_ent): Likewise.
5091 (parse_input): Likewise.
5093 * optabs.c (init_libfuncs): Likewise.
5095 * protoize.c (find_rightmost_formals_list): Likewise.
5097 * recog.h (const_double_operand): Fix typo in prototype.
5099 * tlink.c (scan_linker_output): Cast the argument of ctype
5100 function to `unsigned char'.
5102 * toplev.c (check_lang_option): Cast the result of `strlen' to
5103 `int' when comparing against one.
5105 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5107 * gcse.c (dump_cuid_table): Correct typo.
5109 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
5111 * toplev.c (display_help): Prepend '-m' to target specific
5113 (check_lang_option): Ignore text after end of first word of a
5114 language specific option.
5116 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5118 * reload1.c (reg_used_by_pseudo): New static variable.
5119 (choose_reload_regs): Initialize it.
5120 Use it instead of testing spill_reg_order to determine whether a
5121 pseudo is live in a hard register across the current insn.
5122 Fix a typo in a reference to reload_reg_rtx.
5124 * flow.c (propagate_block): Replace code that computes and uses
5125 regs_sometimes_live with simpler code that just walks the set of
5126 currently live registers.
5128 * Makefile.in (insn-extract.o): Fix dependencies.
5129 * genextract.c (main): Generate includes for insn-config.h and
5131 Delete generation of declarations which are now in recog.h.
5132 * genrecog.c (main): Delete generation of definitions which are
5134 * local-alloc.c (block_alloc): Use extract_insn and the variables
5135 it sets up instead of looking up values by insn_code.
5136 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
5137 recog_dup_num): Define here instead of generating the definition in
5139 (recog_n_operands, recog_n_dups, recog_n_alternatives,
5140 recog_operand_mode, recog_constraints, recog_operand_address_p):
5142 (extract_insn): New function.
5143 * recog.h (extract_insn): Declare function.
5144 (which_alternative, recog_n_operands, recog_n_dups,
5145 recog_n_alternatives, recog_operand_mode, recog_constraints,
5146 recog_operand_address_p): Declare variables.
5147 * regclass.c (n_occurrences): New static function.
5148 * reload.c (n_occurrences): Delete function.
5149 (find_reloads): Use extract_insn.
5150 * reload.h (n_occurrences): Delete declaration.
5152 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
5154 * reload1.c (reload_as_needed): Fix test for when to call
5155 update_eliminable_offsets.
5157 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5159 Fix consistency problems with reg_equiv_{mem,address};
5160 Improve reload inheritance;
5162 * reload.c (reload_out_reg): New variable.
5163 (loc_mentioned_in_p, remove_address_replacements): New functions.
5164 (remove_replacements): Deleted.
5165 (push_reload): Set reload_out_reg[i].
5166 When merging, also set reload_{in,out}_reg[i], and remove
5167 duplicate address reloads.
5168 (combine_reloads): Copy reload_out_reg[i].
5169 (find_reloads): Do make_memloc substitution also when
5170 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5172 Include *recog_operand_loc in commutativity operand changes.
5173 Generate optional output reloads.
5174 Delete reference to n_memlocs. Don't set *recog_operand_loc before
5175 processing operands. Call make_memloc in reg_equiv_address code.
5176 Set *recog_operand_loc only after processing operands, and only
5177 if replace is true. Return a value.
5178 When changing address reload types for operands that didn't get
5179 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
5180 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
5181 Don't emit USEs for pseudo SUBREGs when not replacing.
5182 (find_reloads_address): Do make_memloc substitution also when
5183 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5185 (find_reloads_toplev): Likewise.
5186 Call make_memloc in reg_equiv_address code.
5187 (debug_reload_to_stream): Add code to output reload_out_reg.
5188 (make_memloc): Delete local variable i, ifdefed out code, and
5189 references to memlocs and n_memlocs.
5190 (memlocs, n_memlocs): Delete.
5191 (push_secondary_reload): Clear reload_out_reg.
5192 (find_reloads_address_1): Provide memrefloc argument to all calls
5193 to find_reloads_address.
5194 In AUTO_INC code, handle non-directly addressable equivalences properly.
5195 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
5196 (find_reloads): Add return type.
5197 (remove_address_replacements, deallocate_reload_reg): Declare.
5198 * reload1.c (num_not_at_initial_offset): No longer static.
5199 (delete_address_reloads, delete_address_reloads_1): Likewise.
5200 (deallocate_reload_reg): New function.
5201 (spill_reg_stored_to): New array.
5202 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
5203 (eliminate_regs_in_insn): Move assignments of previous_offset and
5204 max_offset fields, and recalculation of num_not_at_initial_offset
5205 into new static function:
5206 (update_eliminable_offsets) .
5207 (reload_as_needed): Call update_eliminable_offsetss after calling
5209 Call forget_old_reloads_1 with contents of reloaded auto_inc
5210 expressions if the actual addressing can't be changed to match the
5212 (choose_reload_regs): For inheritance, replace
5213 reload_reg_free_before_p test with reload_reg_used_at_all test, and
5214 remove stand-alone reload_reg_used_at_all test.
5215 Use reload_out_reg to determine which reload regs have output reloads.
5216 Treat reload_override_in more similar to inherited reloads.
5217 Handle (subreg (reg... for inheritance.
5218 For flag_expensive_optimizations, add an extra pass to remove
5219 unnecessary reloads from known working inheritance.
5220 Delete obsolete code for pseudos replaced with MEMs.
5221 Handle inheritance from auto_inc expressions.
5222 (emit_reload_insns): If reload_in is a MEM, set OLD to
5224 Don't reload directly from oldequiv; if it's a pseudo with a
5225 stack slot, use reload_in[j].
5226 Check that reload_in_reg[j] is a MEM before replacing reload_in
5227 from reg_reloaded_contents.
5228 Include non-spill registers in reload inheritance processing.
5229 Also try to use reload_out_reg to set spill_reg_store /
5230 reg_last_reload_reg.
5231 In code to set new_spill_reg_store, use single_set to find out if
5232 there is a single set.
5233 Add code that allows to delete optional output reloads.
5234 Add code to allow deletion of output reloads that use no spill reg.
5235 At the end, set reload_override_in to oldequiv.
5236 Also call delete_output_reload if reload_out_reg is equal to old
5238 Add code to call delete_output_reload for stores with no matching load.
5239 Set / use spill_reg_stored_to.
5240 Handle case where secondary output reload uses a temporary, but
5241 actual store isn't found.
5242 When looking for a store of a value not loaded in order to call
5243 delete_output_reload, count_occurences should return 0 for no
5244 loads; but discount inherited input reloadill_reg_stored_to.
5245 Do checks for extra uses of REG. Changed all
5247 Use delete_address_reloads.
5248 (reload): Take return value of find_reloads into account.
5249 If a no-op set needs more than one reload, delete it.
5250 (reload_reg_free_before_p): RELOAD_FOR_INPUT
5251 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
5252 for the same operand.
5253 (clear_reload_reg_in_use): Check for other reloads that keep a
5255 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
5256 RELOAD_FOR_OPADDR_ADDR.
5257 Take into account when an address address reload is only needed
5258 for the address reload we are considering.
5259 (count_occurrences): Use rtx_equal_p for MEMs.
5260 (inc_for_reload): Return instruction that stores into RELOADREG.
5261 New argument two, IN, and rtx. Changed all callers.
5262 (calculate_needs_all_insns, reload_as_needed):
5263 Don't clear after_call for a CLOBBER.
5264 Keep track of how many hard registers need to be copied from
5265 after_call, and don't clear after_call before we have seen
5266 that much copies, or we see a different instruction.
5268 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
5270 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
5271 after reload has completed.
5273 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
5275 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
5276 a macro name and the next token with a single blank if that whitespace
5277 is in a macro buffer and the next token is not '('.
5279 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
5281 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
5283 (skip_if_group): Ditto.
5284 (skip_to_end_of_comment): Ditto.
5286 (discard_comments): Ditto.
5287 (change_newlines): Ditto.
5289 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
5291 * c-lex.c (yylex): Fix unaligned access of wchar_t.
5293 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
5295 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
5296 (TARGET_OPTIONS): Add --help documentation.
5298 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5300 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
5302 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
5304 * fixinc/* Moved in from ../contrib directory in preparation
5305 for integrating it into the normal build process. In particular,
5306 fixinc/Makefile.in must be config-ed into the build directory
5307 as fixinc/Makefile. Proposed patches to ./Makefile.in and
5308 ./configure.in will be "in the mail" momentarily.
5310 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
5312 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
5313 accidently walk into the free list. Comment how that can happen.
5314 (invalidate): Fix indentation.
5316 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5317 Jeffrey A Law (law@cygnus.com)
5319 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
5320 reload. Never perform rescans of the insn chain after reload.
5321 (propagate_block): Do not delete insn or create new autoinc addressing
5324 * jump.c (jump_optimize): Unconditionally use the code that was
5325 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
5326 * reload1.c (reload): When reloading is finished, delete all
5327 REG_DEAD and REG_UNUSED notes.
5328 (emit_reload_insns): Delete all code that was conditional on
5329 PRESERVE_DEATH_INFO_REGNO_P.
5330 (no_longer_dead_regs): Delete variable.
5331 (reload_cse_delete_death_notes): Delete function.
5332 (reload_cse_no_longer_dead): Delete function.
5333 (reload_cse_regs_1): Delete all code to handle deletion of death
5335 (reload_cse_noop_set_p): Likewise.
5336 (reload_cse_simplify_set): Likewise.
5337 (reload_cse_simplify_operands): Likewise.
5338 (reload_cse_move2add): Likewise.
5339 * reorg.c (used_spill_regs): Delete declaration.
5340 (max_label_num_after_reload): Delete declaration.
5341 (find_dead_or_set_registers): Don't assume that spill regs are
5342 dead at a CODE_LABEL.
5343 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
5345 * sched.c (sched_analyze_insn): Likewise.
5346 (update_flow_info): Likewise.
5347 * haifa-sched.c (sched_analyze_insn): Likewise.
5348 (update_flow_info): Likewise.
5349 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
5350 * toplev.c (max_label_num_after_reload): Delete variable.
5351 (rest_of_compilation): Don't set max_label_num_after_reload.
5352 Call life_analysis after reload_cse_regs if optimizing.
5353 * config/gmicro/gmicro.h: Delete comment referring to
5354 PRESERVE_DEATH_INFO_REGNO_P.
5355 * config/i386/i386.h: Likewise.
5356 * config/m88k/m88k.h: Likewise.
5357 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
5358 * config/sh/sh.h: Likewise.
5360 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
5362 * loop.c (strength_reduce): Restore marking bct_p as
5364 * rs6000.c (optimization_options): Change #ifdef HAIFA to
5365 HAVE_decrement_and_branch_on_count.
5366 (small_data_operand): Remove TARGET_ELF condition for marking
5367 parameters ATTRIBUTE_UNUSED.
5369 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
5371 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
5372 (SELECT_SECTION): Resync with svr4.h.
5374 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
5376 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
5379 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
5381 * c-pragma.c (handle_pragma_token): Test for null tree before
5382 dereferencing TREE_CODE.
5384 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5386 * config/c4x/c4x.c: Convert to use GEN_INT.
5387 (c4x_parallel_process): Rework to handle new repeat loop structure.
5389 * config/c4x/c4x.md: Convert to use GEN_INT.
5390 (rptb_end): Convert to use GE test. Replace uses with clobbers.
5391 (decrement_and_branch_on_count): Likewise.
5393 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
5394 loop.c has the desired functionality.
5395 (rc_reg_operand): New prototype.
5397 * config/c4x/t-c4x: Can now build all front ends.
5399 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
5401 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
5403 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
5405 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
5406 * config/t-rtems: Do not install assert.h -- use newlib's.
5408 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5410 * combine.c (combine_instructions): When finished, call init_recog.
5411 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
5413 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
5415 * toplev.c: If flag_syntax_only, don't open or write assembler file.
5417 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5419 * cppalloc.c (memory_full): Mark function prototype with
5422 * demangle.h (collect_exit): Likewise.
5424 * fix-header.c (v_fatal, fatal): Likewise.
5426 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
5429 * gcov.c (print_usage): Likewise.
5431 * genattr.c (fatal, fancy_abort): Likewise.
5433 * genattrtab.c (fatal, fancy_abort): Likewise.
5435 * gencodes.c (fatal, fancy_abort): Likewise.
5437 * genconfig.c (fatal, fancy_abort): Likewise.
5439 * genemit.c (fatal, fancy_abort): Likewise.
5441 * genextract.c (fatal, fancy_abort): Likewise.
5443 * genflags.c (fatal, fancy_abort): Likewise.
5445 * genopinit.c (fatal, fancy_abort): Likewise.
5447 * genoutput.c (fatal, fancy_abort): Likewise.
5449 * genpeep.c (fatal, fancy_abort): Likewise.
5451 * genrecog.c (fatal, fancy_abort): Likewise.
5453 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5454 __sjpopnthrow, __throw): Likewise.
5456 * objc/objc-act.c (objc_fatal): Likewise.
5458 * protoize.c (usage, aux_info_corrupted,
5459 declare_source_confusing): Likewise.
5461 * rtl.c (dump_and_abort): Likewise.
5463 * rtl.h (sets_cc0_p): Likewise.
5465 * toplev.c (float_signal, pipe_closed): Likewise.
5467 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5469 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5470 when generating the decision tree for the general case.
5472 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5473 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5475 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5477 * Makefile.in (sched.o): Depend on recog.h.
5479 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5480 (unsigned) when comparing against one.
5481 (find_base_value): Likewise.
5482 (record_base_value): Cast variable `regno' to (unsigned) when
5483 comparing against one. Cast the result of REGNO() macro to
5484 (unsigned) when comparing against one.
5485 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5487 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5488 variable where an unsigned index is needed.
5490 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5491 before comparing against one.
5493 * collect2.c: Add prototypes for functions `error', `fatal' and
5494 `fatal_perror'. Make these functions take variable arguments
5495 instead of faking it with a fixed number of args.
5496 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5499 * combine.c (can_combine_p): Mark parameter `pred' with
5501 (find_split_point): Cast variable `src' to (unsigned
5502 HOST_WIDE_INT) when comparing against one.
5503 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5504 (simplify_logical): Likewise.
5505 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5506 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5507 HOST_WIDE_INT) in shift.
5508 (simplify_and_const_int): Cast result of INTVAL() macro to
5509 `unsigned HOST_WIDE_INT' when comparing against one.
5510 (merge_outer_ops): Cast variable const0 to `unsigned
5511 HOST_WIDE_INT' when comparing against the result of
5512 GET_MODE_MASK() macro.
5513 (simplify_comparison): Likewise for variable `c0'. Cast variable
5514 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5515 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5516 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5517 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5518 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5519 comparing against one.
5520 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5522 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5523 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5524 (output_block_move): Cast `sizeof' expression to (int) when
5525 comparing against one.
5526 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5528 (save_restore_insns): Cast `base_offset' to `long' to match format
5529 specifier in fprintf.
5531 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5532 to `enum machine_mode'.
5534 * flow.c (life_analysis_1): Remove unused variable `insn'.
5536 * gcc.c (translate_options): Move variables `j' and `k' into the
5537 scope in which they are used. Change their types to `size_t'.
5538 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5539 (read_specs): Likewise.
5540 (process_command): Cast `sizeof' to (int) when comparing against one.
5541 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5542 (handle_braces): Cast both sides of `==' expression to `long' to
5543 ensure sign matching.
5544 (main): Cast variable `i' to `int' when comparing against one.
5546 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5547 int to size_t. Cast variable `i' to size_t when comparing against
5550 * genattrtab.c (convert_set_attr_alternative): Remove unused
5551 parameter `insn_code'. All callers changed.
5552 (convert_set_attr): Likewise.
5554 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5555 size_t when comparing against one. Likewise for variable `len'.
5557 * global.c (global_alloc): Cast variable `max_regno' to size_t
5558 when comparing against one. Likewise for variable `max_allocno'.
5560 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5562 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5563 `set' with ATTRIBUTE_UNUSED.
5564 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5567 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5568 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5569 (get_condition): Cast variable `const_val' to `unsigned
5570 HOST_WIDE_INT' when comparing against one. Cast unsigned
5571 expression to HOST_WIDE_INT when comparing against one.
5572 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5573 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5574 `unsigned' when comparing against one.
5576 * protoize.c (is_id_char): Change type of parameter `ch' to
5578 (munge_compile_params): Cast argument of ctype macro to (const
5580 (process_aux_info_file): Cast variable `aux_info_size' to int when
5581 comparing against one.
5582 (forward_to_next_token_char): Cast argument of ctype macro to
5583 `const unsigned char'.
5584 (edit_formals_lists): Likewise.
5585 (find_rightmost_formals_list): Likewise.
5586 (add_local_decl): Likewise.
5587 (add_global_decls): Likewise.
5588 (edit_fn_definition): Likewise.
5589 (do_cleaning): Likewise.
5590 (scan_for_missed_items): Likewise.
5591 (edit_file): Cast variable `orig_size' to (int) when comparing
5593 (main): Cast argument of ctype macro to `const unsigned char'.
5595 * recog.c (const_int_operand): Mark parameter `mode' with
5598 * regclass.c (record_reg_classes): Change type of variable `c' to
5599 `unsigned char'. Cast `char' array index to `unsigned char'.
5601 * reload.c (push_secondary_reload): Cast argument to
5602 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5604 * reload1.c (calculate_needs): Cast `char' array index to
5606 (set_label_offsets): Change type of variable `i' to unsigned int.
5607 Cast result of XVECLEN() macro to unsigned when comparing against
5609 (mark_not_eliminable): Change type of variable `i' to unsigned.
5610 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5611 when comparing against one.
5612 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5613 comparing against one.
5614 (choose_reload_regs): Hide unused label `fail'.
5615 (reload_cse_simplify_operands): Cast `char' array index to
5617 (reload_combine_note_store): Mark parameter `set' with
5618 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5620 (reload_cse_move2add): Remove unused variable `src2'.
5622 * sched.c: Include recog.h.
5623 (sched_note_set): Remove unused parameter `b'. All callers
5625 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5626 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5627 when comparing against one.
5629 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5630 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5631 comparing against one.
5633 * unroll.c (precondition_loop_p): Remove unused parameter
5634 `loop_end'. All callers changed.
5636 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5638 * reload1.c (maybe_fix_stack_asms): New static function.
5641 * reload.h (compute_use_by_pseudos): Declare.
5643 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5644 (something_needs_reloads): Delete variable.
5645 (finish_spills): New function.
5646 (compute_use_by_pseudos): New function.
5648 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5649 Use the reload_insn_chain instead of walking the rtl directly.
5651 (reload): Allocate and free spilled_pseudos.
5652 Ensure that all calls of spill_hard_reg are followed by a call to
5654 Use the insns_need_reload list instead of something_needs_reloads
5655 to find out if reload_as_needed must be called.
5656 Clear unused_insn_chains at the end.
5658 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5660 Delete code to keep track of current basic block.
5661 Walk reload_insn_chain instead of the rtl structure. Build the
5662 insns_need_reload chain.
5663 Remember which insns need reloading/elimination by setting the
5664 appropriate fields in struct insn_chain, not by putting modes on the
5667 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5668 arg INSN. All callers changed.
5669 Delete declaration of struct needs.
5670 Don't set something_needs_reloads.
5671 Record insn needs in the CHAIN argument.
5673 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5675 (reload_as_needed): Lose FIRST arg. All callers changed.
5676 Walk the reload_insn_chain instead of the rtx structure.
5677 Delete code to keep track of current basic block.
5678 Rename one of the NEXT variables to OLD_NEXT.
5680 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5682 (choose_reload_regs): Likewise.
5684 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5687 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5688 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5689 (hard_regs_live, hard_regs_need_restore): Delete variables.
5690 (n_regs_saved): Now static.
5691 (referenced_regs, this_insn_sets): New variables.
5693 (setup_save_areas): Restructure the code a bit.
5695 (restore_referenced_regs): Delete function.
5696 (mark_referenced_regs): New function, similar to the old
5697 restore_referenced_regs, but mark registers in referenced_regs.
5699 (clear_reg_live): Delete function.
5700 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5701 Only mark registers in this_insn_sets.
5703 (save_call_clobbered_regs): Rework this function to walk the
5704 reload_insn_chain instead of using the list of instructions directly.
5705 Delete code to keep track of register lives, compute live regs on the
5706 fly from information in the chain.
5707 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5708 then walk the set it computes and call insert_restore as appropriate.
5710 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5712 Restructure the code a bit. Test hard_regs_saved instead of
5713 hard_regs_need_restore.
5714 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5715 args. All callers changed.
5716 Restructure the code a bit. Use TO_SAVE to determine which regs to
5717 save instead of more complicated test.
5718 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5720 Create a new insn_chain structure for the new insn and place it
5723 * rtl.texi: Update documentation to reflect that reload no longer
5724 puts modes on the insns.
5726 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5728 * function.c (purge_addressof_1): Force the first argument of a
5729 CALL insn to memory.
5731 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5733 * rtl.h: Delete duplicate prototypes. Add some missing
5735 * rtlanal.c: (for_each_rtx): Formatting tweak.
5737 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5739 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5740 to be compatible with TI compiler.
5742 * Makefile.in (USER_H): Add va-c4x.h to definition.
5744 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5746 * function.c (purge_addressof_1): Fix typo in inequality: do
5747 bitfield optimization for equal mode sizes.
5748 * expmed.c (store_bit_field): Don't take subregs of subregs in
5749 the movstrict case. Tidy a potential problem in the multi-word case.
5750 (extract_bit_field): Likewise.
5752 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5754 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5756 Compute max_uid_for_flow by calling get_max_uid after the scan.
5757 (find_basic_blocks_1): Don't emit NOPs here.
5759 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5761 * alias.c (base_alias_check): Accept new args for the modes of the
5762 two references. Use them to determine if an AND can overlap. Update
5764 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5765 to determine if an AND can overlap.
5767 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5769 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5770 check. Add comment to document problems with TARGET_SUN_FPA version
5772 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5774 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5776 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5778 * c-common.c (print_char_table): Add missing initializers.
5779 (scan_char_table): Likewise.
5780 (time_char_table): Likewise.
5782 * c-decl.c (c_decode_option): Mark parameter `argc' with
5784 (declare_parm_level): Mark parameter `definition_flag' with
5787 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5788 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5791 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5793 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5795 (expand_call): Cast result of MIN() to (unsigned int) when
5796 comparing against an unsigned value.
5798 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5800 (make_definition): Remove unused parameter `op'. All callers
5802 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5803 comparing against the result of pointer arithmetic.
5805 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5806 when comparing against one.
5808 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5809 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5811 (output_die): Move variable `i' into the scope in which it is
5812 used. Change its type to `unsigned'.
5813 (output_die): Cast the result of `strlen' to (int) when passing it
5814 to ASM_OUTPUT_ASCII().
5815 (output_pubnames): Likewise.
5816 (output_line_info): Likewise.
5818 * emit-rtl.c (global_rtl): Add missing initializers.
5820 * explow.c (promote_mode): Mark parameter `for_call' with
5823 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5824 `unsigned HOST_WIDE_INT' when comparing against one.
5825 (synth_mult): Change type of variable `cost' to int.
5826 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5828 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5829 when comparing against one.
5830 (get_inner_reference): Change variable `alignment' to unsigned.
5831 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5832 int) when comparing against one.
5833 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5835 * fold-const.c (div_and_round_double): Cast BASE to
5836 (HOST_WIDE_INT) when comparing against one.
5838 * gencheck.c: Include gansidecl.h.
5839 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5841 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5842 `tcode' with ATTRIBUTE_UNUSED.
5844 * real.c (edivm): Cast constant value to (unsigned long) in
5845 expression compared against an unsigned value.
5847 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5848 comparing against one.
5849 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5850 when comparing against one.
5852 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5853 (unsigned int) when comparing against one. Likewise for
5855 (smallest_mode_for_size): Likewise.
5856 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5857 (restore_storage_status): Likewise.
5859 * toplev.c (debug_args): Add missing initializer.
5860 (f_options): Spelling correction. Add missing initializers.
5861 (documented_lang_options): Likewise.
5862 (debug_end_source_file): Mark parameter `lineno' with
5865 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5866 `decl' and `type' with ATTRIBUTE_UNUSED.
5868 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5869 when comparing against one.
5870 (assemble_variable): Mark parameter `top_level' with
5872 (assemble_external_libcall): Mark parameter `fun' with
5874 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5877 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5879 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5880 Replace use of r5 with use of r19.
5882 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5884 * config/v850/v850.c (compute_register_save_size): Allow for the
5885 fact that helper functions save all registers, not just those used
5888 Replace constant 31 with macro LINK_POINTER_REGNUM.
5890 * config/v850/v850.md: Use 'indirect_operand' rather than
5891 'memory_operand' for bit test/set/clear patterns.
5893 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5895 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5896 * varasm.c (assemble_start_function et al): Don't call
5897 ASM_GLOBALIZE_LABEL for weak symbols.
5899 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5901 * cse.c (equiv_constant): Check for NULL return from
5902 gen_lowpart_if_possible().
5904 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5906 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5908 * collect2.c (main): Pass -EL/-EB through to the compiler.
5910 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5912 * expr.c (push_block): Handle targets where the stack grows
5913 to higher addresses, but args grow to lower addresses and
5914 ACCUMULATE_OUTGOING_ARGS is not defined.
5916 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5918 * config/v850/v850.c (print_operand): Extend meaning
5919 of 'c' operands to support .vtinherit.
5921 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5923 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5924 Added ATTRIBUTE_UNUSED to unused function arguments.
5925 (rc_reg_operand): New predicate.
5926 (c4x_rptb_insert): New function.
5927 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5928 (c4x_optimization_options): New function.
5930 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5931 (decrement_and_branch_on_count): New pattern.
5932 (rptb_top): Modified pattern to work with BCT optimization.
5934 * config/c4x/c4x.h (RC_REG): New register class.
5935 (rc_reg_operand): Define prototype.
5936 (IS_RC_REG): New macro.
5937 (IS_RC_OR_PSEUDO_REG): New macro.
5938 (IS_RC_OR_PSEUDO_REGNO): New macro.
5939 (OPTIMIZATION_OPTIONS): Define.
5941 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5943 * collect2.c (extract_init_priority): No priority is 65535.
5945 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5947 * Makefile.in (build_tooldir): new variable, same as old
5948 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5949 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5950 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5952 * configure.in (gxx_include_dir): set default based on unlibsubdir
5953 * Makefile.in (tooldir): ditto
5954 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5955 gxx_include_dir, includedir and tooldir
5956 (protoize.o, unprotoize.o): ditto
5958 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5960 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5962 * config/arm/thumb.c (thumb_override_options): Add warning about
5963 PIC code not being supported just yet.
5965 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5967 * flow.c: Update comment.
5968 (notice_stack_pointer_modification): New static function.
5969 (record_volatile_insns): Use it.
5970 (mark_regs_live_at_end): Mark the stack pointer as alive
5971 at the end of the function if current_function_sp_is_unchanging
5973 (life_analysis_1): Set current_function_sp_is_unchanging.
5974 * function.c: Define it.
5975 (init_function_start): Initialize it.
5976 * output.h: Declare it.
5977 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5978 the stack pointer as alive at the end of the function if
5979 current_function_sp_is_unchanging is set.
5980 * i386.c (ix86_epilogue): Optimize the restoring
5981 of the stack pointer.
5983 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5985 * version.c: Bump for snapshot.
5987 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5989 * c-pragma.c (handle_pragma_token): If passed a token instead
5990 of a tree, use that as the pack value.
5992 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5994 * flow.c (find_basic_blocks_1): Fix prototype.
5996 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5998 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5999 (struct tree_decl): New fields no_check_memory_usage.
6000 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6001 (init_attributes): Register it as a new attribute.
6002 (decl_attributes): Set flags on functions given that attribute.
6003 * c-decl.c (duplicate_decls): Merge new attribute.
6004 * expr.h (current_function_check_memory_usage): Declare new var.
6005 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6006 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6007 current_function_check_memory_usage.
6008 * function.h: Add field to struct function.
6009 * function.c (current_function_check_memory_usage): Define it.
6010 (push_function_context_to, pop_function_context_from): Save and
6012 (expand_function_start): Set it, based on global flag and function
6015 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6016 check non-automatic variables, to permit detection of writes to
6017 read-only locations in embedded systems without memory management.
6018 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6019 when emitting chkr_set_right_libfunc call, even if the argument is
6020 BLKmode or variable-sized; don't abort.
6022 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6023 symbols in Pmode, not VOIDmode.
6025 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6027 * cppexp.c: When forcing unsigned comparisons, cast both sides
6030 * cpphash.h: Move static declaration of hashtab[]...
6031 * cpphash.c: ...here.
6033 * cpplib.c: Cast difference of two pointers to size_t before
6034 comparing it to size_t. Cast signed to unsigned
6035 before comparing to size_t. (FIXME: struct argdata should use
6036 unsigned buffer sizes.)
6037 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
6038 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
6039 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
6040 size_t before comparison.
6042 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
6044 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
6045 (find_basic_blocks_1): Similarly.
6046 * output.h (find_basic_blocks): Fix prototype.
6047 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
6048 find_basic_blocks anymore.
6050 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
6052 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
6053 (sbitmap_free, sbitmap_vector_free): New macros.
6054 * output.h (rtl_dump_file): Declare.
6056 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
6058 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
6060 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6062 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
6064 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
6065 (divide): Remove unused variable `tmp'.
6066 (si_to_float): Cast numeric constant to (SItype) before comparing
6069 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
6071 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
6072 * gcc.c (add_preprocessor_option): Correct typo when allocating
6073 memory, sizeof() argument had one too many `*'.
6074 (add_assembler_option): Likewise.
6075 (add_linker_option): Likewise.
6076 * gcov.c (output_data): Likewise.
6077 * local-alloc.c (memref_used_between_p): Likewise.
6078 (update_equiv_regs): Likewise.
6079 * loop.c (strength_reduce): Likewise.
6080 * reg-stack.c (record_asm_reg_life): Likewise.
6081 (subst_asm_stack_reg): Likewise.
6082 * reorg.c (dbr_schedule): Likewise.
6084 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6086 * flow.c (life_analysis_1): Break out some functions.
6087 (find_basic_blocks_1): Likewise. Also move some variables out and
6089 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
6090 new static var nonlocal_label_list with it.
6091 (active_eh_region, nested_eh_region, label_value_list,
6092 nonlocal_label_list): New static variables.
6093 (make_edges, delete_unreachable_blocks, delete_block): New static
6094 functions, broken out of find_basic_blocks_1.
6095 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
6096 noop_move_p): New static functions, broken out of life_analysis_1.
6098 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
6100 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
6101 Take extra care for op0 now possibly being a subreg.
6102 (extract_bit_field): Likewise.
6103 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
6104 the reg to memory if there is no equal sized integral mode.
6105 * stor-layout.c (int_mode_for_mode): New function.
6106 * machmode.h: Prototype it.
6108 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
6110 * global.c (build_insn_chain): Verify no real insns exist past the
6111 end of the last basic block, then exit the loop.
6113 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6115 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
6117 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
6119 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
6121 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
6123 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
6125 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
6127 * flow.c (find_basic_blocks): Correctly determine when a call
6128 is within an exception region.
6130 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
6132 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
6134 * cpplib.h: Protect from multiple inclusions.
6135 * cpplib.c: Fix minor formatting problems.
6137 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
6139 * jump.c (jump_optimize): Revert accidental patch.
6141 * Makefile.in (cpplib.o): Use unlibsubdir.
6143 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
6145 * loop.c (get_condition): Allow combine when either compare is
6148 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
6150 * version.c: Bump for snapshot.
6152 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
6154 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
6155 (init_lex): Initialize ridpointers[RID_BYREF].
6156 * c-lex.h (enum rid): Add RID_BYREF.
6157 * c-parse.gperf: Add RID_BYREF as a type qualifier.
6158 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
6159 (encode_type_qualifiers): Similarly
6160 * c-gperf.h: Rebuilt.
6162 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
6164 * c-common.c (type_for_mode): Only return TItype nodes when
6165 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6166 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
6167 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6168 (init_decl_processing): Only create TItype nodes when
6169 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6170 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
6171 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6173 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6175 * stmt.c (n_occurrences): New static function.
6176 (expand_asm_operands): Verify that all constrains match in the
6177 number of alternatives.
6178 Verify that '+' or '=' are at the beginning of an output constraint.
6179 Don't allow '&' for input operands.
6180 Verify that '%' isn't written for the last operand.
6181 * reload.c (find_reloads): Abort if an asm is found with invalid
6182 constraints; all possible problems ought to be checked for earlier.
6184 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6186 * flags.h (flag_branch_on_count_reg): Always declare
6187 * toplev.c (flag_branch_on_count_reg): Likewise.
6188 * toplev.c: Fix typos.
6190 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
6193 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
6195 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
6197 (find_basic_blocks_1): Add a nop to the end of a basic block when
6198 a trailing call insn does not have abnormal control flow.
6199 * gcse.c (pre_transpout): New variable.
6200 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
6201 (compute_pre_transpout): Calculate it.
6202 (compute_pre_ppinout): Use it to eliminate impossible placements
6203 due to abnormal control flow through calls.
6204 (compute_pre_data): Call compute_pre_transpout.
6206 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6208 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
6210 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
6212 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
6213 and matching define_insns): Tack on a `use' of the table label, so
6214 flow analysis will recognize a tablejump.
6216 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
6218 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
6219 always end basic blocks for abnormal edge reasons.
6221 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
6223 * config/i386/i386.h: Remove definition of
6224 HANDLE_PRAGMA_PACK_PUSH_POP.
6226 * config/i386/go32.h: Add definition of
6227 HANDLE_PRAGMA_PACK_PUSH_POP.
6229 * config/i386/win32.h: Add definition of
6230 HANDLE_PRAGMA_PACK_PUSH_POP.
6232 * config/i386/cygwin32.h: Add definition of
6233 HANDLE_PRAGMA_PACK_PUSH_POP.
6235 * c-pragma.c (insert_pack_attributes): Do not insert
6236 attributes unless #pragma pack(push,<n>) is in effect.
6238 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
6240 * expr.c (emit_group_store): Handle a PARALLEL destination.
6242 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
6244 * gcse.c (pre_insert_insn): When a call ends a bb, insert
6245 the new insns before the argument regs are loaded.
6247 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6249 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
6250 (c-parse.gperf): Update comments describing invocation flags.
6251 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
6253 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
6255 * reload1.c (reload): Call free before clobbering the memory
6256 locations or constants pointers.
6258 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6260 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
6261 for efficiency by checking whether we need to modify the current
6262 stack permission at all.
6263 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
6264 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
6265 __enable_execute_stack libcall here too if
6266 TRANSFER_FROM_TRAMPOLINE is defined.
6267 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
6270 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
6272 * Makefile.in (DRIVER_DEFINES): Remove last change.
6274 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6276 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
6277 insns we're going to copy.
6278 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
6280 * loop.c (count_one_set): Add prototype.
6282 * caller-save.c (restore_referenced_regs): Lose mode argument.
6283 (insert_save): Lose mode argument.
6284 (insert_restore): Lose mode argument.
6285 (insert_one_insn): Lose mode argument.
6286 (save_call_clobbered_regs): Lose mode argument.
6287 (setup_save_areas): Take no argument and return void. All callers
6289 Don't verify validity of memory addresses.
6290 * reload.h (setup_save_ares): Adjust prototype.
6291 (save_call_clobbered_regs): Likewise.
6292 * reload1.c (delete_caller_save_insns): New function.
6293 (caller_save_spill_class): Delete variable.
6294 (caller_save_group_size): Delete variable.
6295 (reload): Call setup_save_areas and save_call_clobbered_regs
6296 in the main loop, before calling calculate_needs_all_insns.
6297 Don't call save_call_clobbered_regs after the loop.
6298 Call delete_caller_save_insns at the end of an iteration if
6300 Delete code to manage caller_save_spill_class.
6301 Emit the final note before setting reload_first_uid.
6302 Simplify test that determines whether reload_as_needed gets run.
6303 (calculate_needs): Delete code to manage caller_save_spill_class.
6305 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
6307 * collect2.c (main): Initialize ld_file_name.
6309 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
6311 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
6312 check for flag_function_sections.
6314 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6316 * cse.c (insert_regs): Fix bug in Sep 24 change.
6318 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6320 * flags.h (flag_dump_unnumbered): Declare.
6321 * toplev.c (flag_dump_unnumbered): Don't declare.
6322 * print-rtl.c (flags.h): Include.
6323 (print_rtl_single): Add return value.
6324 * rtl.h (print_rtl_single): Update declaration.
6325 * flow.c (flag_dump_unnumbered): Don't declare.
6326 (print_rtl_with_bb): Use return value of print_rtl_single.
6328 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6330 * loop.c (count_one_set): New static function, broken out of
6332 (count_loop_regs_set): Call it.
6333 * global.c (mark_reg_store): Handle clobbers here by not calling
6335 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
6336 is in fact a clobber.
6337 * integrate.c (process_reg_param): New function, broken out of
6338 expand_inline_function.
6339 (expand_inline_function): Call it.
6342 * i386.md (addsidi3_1): Delete unused variable temp.
6343 (addsidi3_2): Likewise.
6344 (clstrstrsi): Delete unused variable addr1.
6346 * rtl.h: Don't declare any functions also declared in recog.h.
6348 * Makefile.in (stupid.o): Update dependencies.
6349 (global.o): Likewise.
6351 * global.c: Include reload.h
6352 (reg_becomes_live): New function.
6353 (reg_dies): New function.
6354 (build_insn_chain): New function.
6355 (global_alloc): Call build_insn_chain before calling reload.
6357 * reload.h (struct needs): New structure definition.
6358 (struct insn_chain): Likewise.
6359 (reload_insn_chain): Declare variable.
6360 (new_insn_chain): Declare function.
6363 * reload1.c (reload_startobj): New variable.
6364 (reload_insn_chain): New variable.
6365 (unused_insn_chains): New variable.
6366 (new_insn_chain): New function.
6367 (init_reload): Initialize reload_startobj, not reload_firstobj.
6368 (reload): Initialize reload_firstobj.
6369 Before returning, free everything on the reload_obstack.
6371 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
6372 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
6373 current_chain): New variables.
6374 (reg_where_born): Delete variable.
6375 (REG_WHERE_BORN): New macro.
6376 (find_clobbered_regs): New function.
6377 (stupid_life_analysis): Don't allocate/free reg_where_born.
6378 Allocate and free reg_where_born_exact, reg_where_born_clobber,
6379 reg_where_dead_chain.
6380 Use REG_WHERE_BORN instead of reg_where_born.
6381 While processing the insns, build the reload_insn_chain with
6382 information about register lifetimes.
6383 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
6384 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
6386 Compute and information about birth and death of pseudo registers in
6387 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
6388 Delete code to set elements of reg_where_born.
6390 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6392 * tree.def (GOTO_EXPR): Modified documentation.
6393 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
6396 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
6398 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
6399 loop_final_value, loop_comparison_code): No longer static.
6400 (unroll_loop): Delete loop_start_value update.
6401 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
6402 loop_final_value, loop_comparison_code): Extern.
6403 (loop_start_value): Delete extern.
6404 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
6405 loop_comparison_value, loop_comparison_code): Delete.
6406 (loop_optimize): Remove initialization for deleted variables.
6407 (strength_reduce): Delete analyze_loop_iterations call. Only call
6408 insert_bct if flag_branch_count_on_reg set.
6409 (analyze_loop_iterations): Delete.
6410 (insert_bct): Remove iteration count calculation. Move checks for
6411 viable BCT optimization to here. Obtain iteration count from
6412 loop_iterations and correct for unrolling. Check for enough
6413 iteration to be beneficial. Comment out runtime iteration count
6415 (insert_bct): Print iteration count in dump file. Remove
6416 loop_var_mode and use word_mode directly.
6418 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
6419 * rs6000.c (rs6000_override_options): Use it.
6420 (optimization_options): Enable use of flag_branch_on_count_reg.
6421 * rs6000.md (define_function_unit): Describe 604e.
6423 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6425 * loop.c (move_movables): Corrected threshold calculation for
6426 moved_once registers.
6428 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6430 * loop.c (combine_givs_p): Fix test for identical givs.
6432 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
6434 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
6435 call abort if the function is already defined.
6437 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
6439 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
6440 truncation is not a no-op.
6442 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6444 * version.c: Bump for snapshot.
6446 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6448 * version.c: Bump for snapshot.
6450 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6452 * expmed.c (expand_divmod): Don't widen for computing remainder
6453 if we seem to have a divmod pattern for needed mode.
6455 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6457 * cpplib.c (macroexpand): Correct off-by-one error in handling
6460 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6462 * combine.c (expand_field_assignment): Don't do bitwise operations
6463 on MODE_FLOAT; pun to MODE_INT if possible.
6465 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6466 scott snyder <snyder@d0sgif.fnal.gov>
6468 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6469 linker. Recognize mangled names in quotes.
6471 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6473 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6474 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6475 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6476 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6478 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6480 * function.c (purge_addressof_1): If trying to take a sub-word
6481 integral piece of a floating point mode, put it on the stack.
6483 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6485 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6487 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6489 * PROJECTS: Remove template friends.
6491 * collect2.c (sort_ids): Remove unused variable.
6493 * tm.texi (MATH_LIBRARY): Document.
6494 (NEED_MATH_LIBRARY): Remove.
6496 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6497 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6499 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6501 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6502 last_end to 0x7fffffff.
6504 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6506 * function.c (purge_addressof_1): Do not perform endianness
6507 corrections on bitpos, who we call will do it for us.
6509 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6511 * h8300.c (WORD_REG_USED): Fix typo.
6512 (initial_offset): Use WORD_REG_USED.
6514 * h8300.c (handle_pragma): Fix typo.
6516 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6518 * caller-save.c (insert_save_restore): Break this function up
6519 into new functions insert_restore, insert_save and insert_one_insn.
6520 All callers changed.
6521 (insert_restore): New function, mostly broken out of
6522 insert_save_restore.
6523 (insert_save): Likewise.
6524 (insert_one_insn): Likewise.
6525 (restore_referenced_regs): New argument BLOCK. All callers changed.
6526 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6527 in this function, do it in insert_one_insn instead.
6529 * reload1.c (reload): Break out some more pieces into separate
6531 (dump_needs): New function, broken out of reload.
6532 (set_initial_elim_offsets): Likewise.
6533 (init_elim_table): Likewise.
6534 (update_eliminables): Likewise.
6536 * global.c (global_alloc): Delete code to manage the scratch_list.
6537 * local-alloc.c (qty_scratch_rtx): Delete.
6538 (scratch_block): Delete.
6539 (scratch_list): Delete.
6540 (scratch_list_length): Delete.
6541 (scratch_index): Delete.
6542 (alloc_qty_for_scratch): Delete.
6543 (local-alloc): Update initialization of max_qty.
6544 Delete code to manage the scratch list.
6545 Delete code to allocate/initialize qty_scratch_rtx.
6546 (block_alloc): Don't allocate quantities for scratches.
6547 Delete code to manage the scratch list.
6548 * regs.h (scratch_list): Delete declaration.
6549 (scratch_block): Delete declaration.
6550 (scratch_list_length): Delete declaration.
6551 * reload1.c (reload): Delete code to manage the scratch list.
6552 (spill_hard_reg): Likewise.
6553 (mark_scratch_live): Delete.
6555 * recog.c (alter_subreg): Delete declaration.
6557 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6559 * Makefile.in (cccp.o): Fix typo in last patch.
6561 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6563 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6564 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6566 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6568 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6569 NULL_RTX as an argument.
6571 * Makefile.in (unlibsubdir): Define.
6572 (DRIVER_DEFINES): Use unlibsubdir.
6573 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6574 (stmp-fixinc): Similarly.
6576 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6578 * regmove.c (regmove_optimize): Add variable old_max_uid.
6579 At the end of the function, update basic_block_end.
6581 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6583 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6584 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6587 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6589 * config/arm/arm.c: Improve interworking support.
6591 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6593 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6594 copied from reload_out[r] .
6596 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6598 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6599 with more than three size ranges.
6601 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6603 * rtl.c (mode_name): Add a null string at the end of the array.
6604 (mode_wider_mode): Change type to unsigned char.
6605 (mode_mask_array): New variable.
6606 (init_rtl): Update for mode_wider_mode type change.
6608 * rtl.h (mode_wider_mode): Change type to unsigned char.
6609 (mode_mask_array): Declare.
6610 (GET_MODE_MASK): Use mode_mask_array.
6612 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6614 * calls.c (expand_call) : Encapsulate code into
6615 copy_blkmode_from_reg.
6616 * expr.c (copy_blkmode_from_reg): New function.
6617 * expr.h (copy_blkmode_from_reg): New function.
6618 * integrate.c (function_cannot_inline_p): We can inline
6620 (expand_inline_function): Use copy_blkmode_from_reg
6621 if needed. Avoid creating BLKmode REGs.
6622 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6625 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6627 * config/v850/v850.c: Add function prototypes.
6628 Add support for v850 special data areas.
6630 * config/v850/v850.h: Add support for v850 special data areas.
6632 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6633 HANDLE_PRAGMA_PACK_PUSH_POP.
6634 (push_alignment): New function: Cache an alignment requested
6635 by a #pragma pack(push,<n>).
6636 (pop_alignment): New function: Pop an alignment from the
6638 (insert_pack_attributes): New function: Generate __packed__
6639 and __aligned__ attributes for new decls whilst a #pragma pack
6641 (add_weak): New function: Cache a #pragma weak directive.
6642 (handle_pragma_token): Document calling conventions. Add
6643 support for #pragma pack(push,<n>) and #pragma pack (pop).
6645 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6646 are defined enable HANDLE_PRAGMA_PACK.
6647 Move 'struct weak_syms' here (from varasm.c).
6648 Add pragma states for push and pop pragmas.
6650 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6653 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6654 HANDLE_GENERIC_PRAGMAS.
6656 * varasm.c: Move definition of 'struct weak_syms' into
6658 (handle_pragma_weak): Deleted.
6660 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6662 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6664 * c-decl.c (start_function): Add invocation of
6665 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6667 * tm.texi: Remove description of non-existant macro
6668 SET_DEFAULT_SECTION_NAME.
6670 (HANDLE_SYSV_PRAGMA): Document.
6671 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6673 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6675 * config.sub: Recognize i[34567]86-pc-udk as new target.
6676 * configure.in: Likewise.
6677 * config/i386/t-udk: New file.
6678 * config/i386/udk.h: New file.
6680 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6682 * reorg.c (check_annul_list_true_false): Remove unused variables.
6683 (steal_delay_list_from_target): Add missing "used_annul" variable.
6684 (try_merge_delay_insns): Close out half formed comment.
6686 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6688 * cpplib.c (macroexpand): If arg->raw_before or
6689 arg->raw_after, remove any no-reexpansion escape at the
6690 beginning of the pasted token. Correct handling of whitespace
6691 markers and no-reexpand markers at the end if arg->raw_after.
6693 * toplev.c (documented_lang_options): Recognize -include,
6694 -imacros, -iwithprefix, -iwithprefixbefore.
6695 * cpplib.c (cpp_start_read): Process -imacros and -include
6696 switches at the same time and in command-line order, after
6697 initializing the dependency-output code. Emit properly nested
6698 #line directives for them. Emit a #line for the main file
6699 before processing these switches, and don't do it again
6702 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6704 * function.c (purge_addressof_1): Use bitfield manipulation
6705 routines to handle mem mode < reg mode.
6707 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6709 * reorg.c (try_merge_delay_insns): Account for resources referenced
6710 in each instruction in INSN's delay list before trying to eliminate
6711 useless instructions. Similarly when looking at a trial insn's delay
6714 * reorg.c (check_annul_list_true_false): New function.
6715 (steal_delay_list_from_{target,fallthrough}): Call it and also
6716 refine tests for when we may annul if already filled a slot.
6717 (fill_slots_from_thread): Likewise.
6718 (delete_from_delay_slot): Return newly-created thread.
6719 (try_merge_delay_isns): Use its new return value.
6721 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6723 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6724 used to compute a giv or as some other non-counting use.
6726 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6728 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6729 * local-alloc.c (find_free_reg): Use it.
6730 * global.c (find_reg): Likewise.
6731 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6733 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6734 * caller-save.c (init_caller_save): Use it.
6735 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6737 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6739 * configure.in: Add --enable-cpplib option which uses cpplib
6740 for cpp, but doesn't link cpplib into cc1. Make help text
6741 capitalization consistent.
6742 * configure: Rebuilt.
6744 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6746 * function.c (gen_mem_addressof): If the address REG is
6747 REG_USERVAR_P make the new REG be so also.
6748 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6749 in an attempt to clarify slightly.
6751 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6753 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6754 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6756 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6758 * toplev.c: Fix last patch.
6760 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6762 * loop.c (get_condition): Fix typo in May 9 change.
6764 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6766 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6768 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6770 * toplev.c (documented_lang_options): Spelling corrections.
6772 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6774 * configure.in: new flags --with-ld and --with-as, equivalent
6775 to setting LD and AS environment variables. Test whether
6776 specified arguments are GNU commands, and report them with
6777 checking messages. Use the specified AS for configure
6780 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6782 * gcc.c (find_a_file): when looking for `as' and `ld', return
6783 the DEFAULT program if it exists
6784 * collect2.c (main): use DEFAULT_LINKER if it exists
6786 * gcc.c (find_a_file): the test for existence of a full
6787 pathname was reversed
6789 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6791 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6792 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6794 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6796 * tree.h (TYPE_BINFO): Document.
6798 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6800 * i386-coff.h (dbxcoff.h): Added.
6802 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6804 * toplev.c: fix bad patch around flag_data_sections.
6806 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6808 * reload1.c (reload): Use reload_address_index_reg_class and
6809 reload_address_base_reg_class when setting
6810 caller_save_spill_class. (Patch generated by Jim Wilson:
6813 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6815 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6816 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6817 * expr.c (store_field): Add alias_set parameter. Set the
6818 MEM_ALIAS_SET accordingly, if the target is a MEM.
6819 (expand_assignment): Use it.
6820 (store_constructor_field): Pass 0.
6821 (expand_expr): Likewise.
6823 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6825 * flags.h: Add flag_data_sections.
6826 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6827 (compile_file): Error if flag_data_sections not supported.
6828 * varasm.c (assemble_variable): Handle flag_data_sections.
6829 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6830 * config/mips/elf.h: Likewise.
6831 * config/mips/elf64.h: Likewise.
6832 * invoke.texi: Describe -fdata-sections.
6834 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6836 * invoke.texi (-ffloat-store): Clarify that this option
6837 does not affect intermediate results -- only variables.
6839 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6841 * cpp.texi: Update for Fortran usage from Craig.
6843 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6845 * rs6000.c (function_arg_boundary): Revert accidental change on
6848 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6850 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6851 (output_mi_thunk): Declare.
6853 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6854 (output_function_profiler): Use r12 for temp, instead of r11 so
6855 that we preserve the static chain register.
6857 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6859 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6861 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6863 * sh.c (gen_shl_sext): Fix case 5.
6865 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6867 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6869 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6871 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6872 accessing variables until they are initialized via va_arg().
6874 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6876 * reload1.c (reload_combine): Initialize set before using.
6878 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6880 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6883 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6885 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6886 operand3 with mask before using it. Patch provided by Jim Wilson.
6888 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6890 * config/sparc/sparc.c (function_value): Perform the equivalent of
6891 PROMOTE_MODE for ARCH64.
6892 (eligible_for_epilogue_delay): Allow DImode operations in delay
6893 slot of a return for ARCH64.
6895 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6897 * sh.md (sqrtsf2): Fix mode of sqrt.
6899 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6901 * reload1.c (choose_reload_regs): Also try inheritance when
6902 reload_in is a stack slot of a pseudo, even if we already got a
6905 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6907 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6908 (reload_cse_regs): New function body: call reload_cse_regs_1,
6909 reload_combine, reload_cse_move2add.
6910 When doing expensive_optimizations, call reload_cse_regs_1 a
6911 second time after reload_cse_move2add.
6912 (reload_combine, reload_combine_note_store): New functions.
6913 (reload_combine_note_use): New function.
6914 (reload_cse_move2add, move2add_note_store): New functions.
6916 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6918 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6919 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6921 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6922 more than 3 such reloads.
6924 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6925 RELOAD_FOR_X_ADDR_ADDR reload.
6927 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6929 * expr.c (store_constructor): When initializing a field that is smaller
6930 than a word, at the start of a word, try to widen it to a full word.
6932 * cse.c (cse_insn): When we are about to change a register,
6933 remove any invalid references to it.
6935 (remove_invalid_subreg_refs): New function.
6936 (mention_regs): Special treatment for SUBREGs.
6937 (insert_regs): Don't strip SUBREG for call to mention_regs.
6938 Check if reg_tick needs to be bumped up before that call.
6939 (lookup_as_function): Try to match known word_mode constants when
6940 looking for a norrower constant.
6941 (canon_hash): Special treatment for SUBREGs.
6943 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6945 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6946 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6947 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6948 and offsets in actual stack trampoline code so they match the
6949 commentary and actually work.
6951 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6953 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6955 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6956 tmake_file. Set extra_parts to needed crt objects.
6957 * configure: Rebuilt.
6958 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6959 (TARGET_DEFAULT): Set if default is v9 or ultra.
6960 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6961 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6962 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6963 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6964 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6965 (TARGET_VERSION): Define.
6966 (MULTILIB_DEFAULT): Define.
6967 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6968 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6969 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6971 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6972 * config/sparc/sparc.c (sparc_override_options): If arch and
6973 pointer size disagree, emit diagnostic and fix it up. If
6974 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6975 V8PLUS in 64-bit mode.
6976 * config/sparc/t-linux64: New file.
6977 * config/sparc/t-sol2-64: New file.
6978 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6979 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6980 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6981 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6982 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6983 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6985 (STARTFILE_SPEC): Set approriately based upon those.
6986 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6987 disposition of DEFAULT_ARCH32_P.
6988 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6989 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6990 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6991 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6992 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6994 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6996 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6998 * rtl.h (init_virtual_regs): New function.
6999 * emit-rtl.c (init_virtual_regs): Define.
7000 (insn_emit): Use it.
7001 * integrate.c (save_for_inline_copying): Likewise.
7003 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7005 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7006 (enum reg_class): Add NONARG_LO_REGS support.
7007 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7008 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7009 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7010 completes. Re-enable HImode REG+OFFSET addresses.
7011 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7013 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7015 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7017 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7018 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7019 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7021 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7023 * arm.c (find_barrier): Revert change of Apr 23. Handle table
7024 jumps as a single entity, taking into account the size of the
7027 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7029 * tree.def (SWITCH_EXPR): New tree node definition.
7031 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
7033 * version.c: Bump for snapshot.
7035 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
7037 * version.c: Bump for snapshot.
7039 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
7041 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
7044 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
7046 * Revert this patch.
7047 * reload.c (find_reloads): Do not replace a pseudo with
7048 (MEM (reg_equiv_addr)) in the initializing insn for the
7051 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
7053 * final.c (final_scan_insn): Disable tracking CC across branches.
7055 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7057 * expr.h (eh_rtime_match_libfunc): New extern declaration.
7058 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
7059 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
7060 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
7061 NULL. Only include <stdio.h> if inhibit_libc is not defined.
7063 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
7065 * toplev.c (rest_of_compilation): Skip compiling anything with
7066 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
7068 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
7070 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
7071 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
7072 use in_libcall_block.
7073 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
7074 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
7077 Mon Sep 21 14:02:23 1998
7079 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
7080 typo in no-fancy-math-387 description.
7082 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
7084 * version.c: Bump for snapshot.
7086 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
7088 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
7090 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7092 * i386.h: (TARGET_SWITCHES) Add description fields for flags
7093 documented in install.texi.
7094 (TARGET_OPTIONS) Likewise.
7096 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
7098 * version.c: Bump for snapshot.
7100 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
7102 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
7103 * cccp.c (main): Likewise.
7105 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
7106 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
7109 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
7111 * Makefile.in (LIBS): Link in libiberty.a.
7112 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
7114 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
7116 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
7117 it to update bb boundaries. Update caller.
7118 * function.c (reposition_prologue_and_epilogue_notes): Update
7119 bb boundaries wrt the moved note.
7121 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
7123 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
7125 * configure: Regenerate.
7127 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
7129 * alpha.c (alpha_sr_alias_set): New variable.
7130 (override_options): Set it.
7131 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
7132 (mode_mask_operand): Fix signed-unsigned comparision warning.
7133 (alpha_expand_block_move): Likewise.
7134 (print_operand): Likewise.
7135 (get_aligned_mem): Use change_address.
7136 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
7137 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
7138 (alphaev4_next_nop, alphaev5_next_nop): New functions.
7139 (alpha_align_insns): Remade from old alphaev5_align_insns
7140 to handle multiple processors.
7141 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
7142 * output.h (label_to_alignment): Prototype.
7144 * tree.c (new_alias_set): New function.
7145 * tree.h (new_alias_set): Declare it.
7146 * c-common.c (c_get_alias_set): Use it.
7148 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
7150 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
7151 to an ABS expr, convert an unsigned input to signed.
7153 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
7155 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
7157 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7159 * configure.in: Add support for c4x targets.
7160 * configure: Rebuilt.
7162 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
7164 * combine.c (distribute_notes): If an insn is a cc0 user, only
7165 delete it if we can also delete the cc0 setter.
7167 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
7169 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
7170 (invert_truthvalue): Enable truthvalue inversion for
7171 floating-point operands if -ffast-math.
7173 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
7175 * configure.in: Disable collect2 for nextstep. Instead use
7177 * configure: Rebuilt.
7178 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
7179 (ENDFILE_SPEC): Define.
7180 (OBJECT_FORMAT_MACHO): Define.
7181 (EH_FRAME_SECTION_ASM_OP): Define.
7182 * crtstuff.c: Handle MACHO.
7184 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
7186 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
7188 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
7190 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
7191 (_fpadd_parts): Get sign right for 0.
7193 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7195 * ginclude/varargs.h: Add support for C4x target.
7196 * ginclude/stdargs.h: Likewise.
7198 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
7200 * alpha.c (alpha_return_addr): SET should be VOIDmode.
7201 (alpha_emit_set_long_const): Rewrite to be callable from reload
7203 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
7204 * alpha.md (movdi): Likewise.
7206 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
7208 * arm.c (add_constant): New parameter address_only, change caller.
7209 Set it non-zero if taking the address of an item in the pool.
7210 (arm_reorg): Handle cases where we need the address of an item in
7213 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
7215 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
7216 memory addresses that are not in standard canonical form.
7218 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
7220 * README.C4X: New file with information about the c4x ports.
7221 * ginclude/va-c4x.h: New file for c4x varargs support.
7222 * config/c4x: New directory with c4x port files.
7224 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
7226 * reload.c (find_reloads): Do not replace a pseudo with
7227 (MEM (reg_equiv_addr)) in the initializing insn for the
7230 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
7232 * toplev.c (rest_of_compilation): Set bct_p on second call to
7234 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
7236 (strength_reduce): Only call analyze_loop_iterations and
7237 insert_bct if bct_p set.
7238 (check_dbra_loop): Fix typo.
7239 (insert_bct): Use word_mode instead of SImode.
7240 (instrument_loop_bct): Likewise. Do not delete iteration count
7241 condition code generation insn. Initialize iteration count before
7243 * rtl.h (loop_optimize): Update prototype.
7245 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
7246 not doubleword aligned.
7248 * rs6000.c (optimization_options): New function.
7249 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
7250 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
7251 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
7252 first; cr1 can be used for FP record condition insns.
7254 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
7256 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
7259 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
7262 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
7264 (block_move_call): New function: Call a library routine to copy a
7266 (m32r_expand_block_move): New function: Expand a "movstrsi"
7267 pattern into a sequence of insns.
7268 (m32r_output_block_move): New function: Expand a
7269 "movstrsi_internal" pattern into a sequence of assembler opcodes.
7270 (m32r_block_immediate_operand): New function: Return true if the
7271 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
7273 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7275 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
7277 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
7279 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7281 * regmove.c (copy_src_to_dest): Check that modes match.
7283 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
7285 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
7287 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7289 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
7290 narrower than FLOAT_REGS.
7292 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7294 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
7296 * Makefile.in (old_gxx_include_dir): removed
7298 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
7300 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
7303 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
7304 (sh_handle_pragma): Change function arguments to match new
7305 specification for HANDLE_PRAGMA.
7307 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7309 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
7311 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
7312 When generating output, initialize missing struct member to zero.
7314 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7316 * regmove.c (copy_src_to_dest): Don't copy if that requires
7317 (a) new register(s).
7319 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7321 * global.c (reg_allocno): Now static.
7322 * reload1.c (reg_allocno): Delete declaration.
7323 (order_regs_for_reload): Take no arguments. Don't treat regs
7324 allocated by global differently than those allocated by local-alloc.
7326 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7328 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
7329 condition, fix format strings.
7330 (output_function_epilogue): Likewise.
7332 * m68k/m68k.c: Don't include <stdlib.h> directly.
7334 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7336 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
7337 mem_first_set, mem_last_set; because 0 can be a CUID.
7338 (oprs_unchanged_p): Use new definition.
7339 (record_last_reg_set_info): Likewise.
7340 (record_last_mem_set_info): Likewise.
7341 (compute_hash_table): Likewise.
7343 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
7345 * rs6000.c (output_epilogue): Handle Chill.
7347 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7348 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7350 * combine.c (make_extraction): If no mode is specified for
7351 an operand of insv, extv, or extzv, default it to word_mode.
7352 (simplify_comparison): Similarly.
7353 * expmed.c (store_bit_field): Similarly.
7354 (extract_bit_field): Similarly.
7355 * function.c (fixup_var_regs_1): Similarly.
7356 * recog.c (validate_replace_rtx_1): Similarly.
7357 * mips.md (extv, extzv, insv expanders): Default modes for most
7358 operands. Handle TARGET_64BIT.
7359 (movdi_uld, movdi_usd): New patterns.
7361 * pa.c (emit_move_sequence): Do not replace a pseudo with its
7362 equivalent memory location unless we have been provided a scratch
7363 register. Similarly do not call find_replacement unless a
7364 scratch register has been provided.
7366 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7368 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
7371 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
7373 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
7374 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
7375 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
7376 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
7377 * c-decl.c (init_decl_processing): Update accordingly.
7378 * expr.c (expand_builtin): Likewise.
7380 * rtl.h (global_rtl): Add cfa entry.
7381 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
7382 (LAST_VIRTUAL_REGISTER): Update.
7383 * emit-rtl.c (global_rtl): Add cfa entry.
7384 (init_emit): Initialize it.
7385 * function.c (cfa_offset): New.
7386 (instantiate_virtual_regs): Initialize it.
7387 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
7388 (expand_function_end): Call expand_eh_return.
7389 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
7391 * except.c (current_function_eh_stub_label): Kill.
7392 (current_function_eh_old_stub_label): Likwise; update all references.
7393 (expand_builtin_set_return_addr_reg): Kill.
7394 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
7395 (expand_builtin_set_eh_regs): Kill.
7396 (eh_regs): Produce a third reg for the actual handler address.
7397 (eh_return_context, eh_return_stack_adjust): New.
7398 (eh_return_handler, eh_return_stub_label): New.
7399 (init_eh_for_function): Initialize them.
7400 (expand_builtin_eh_return, expand_eh_return): New.
7401 * except.h: Update prototypes.
7402 * flow.c (find_basic_blocks_1): Update references to the stub label.
7403 * function.h (struct function): Kill stub label elements.
7405 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
7406 register number is one that would be in the previous window.
7407 Provide a dummy definition for non-windowed targets.
7408 (get_reg_addr): New function.
7409 (get_reg, put_reg, copy_reg): Use it.
7410 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
7411 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
7413 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
7414 (alpha_init_expanders): Initialize it.
7415 (alpha_expand_epilogue): Use it.
7416 * alpha.h: Declare it.
7417 * alpha.md (eh_epilogue): New.
7419 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
7420 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
7422 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
7424 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
7427 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7429 * except.h (struct eh_entry): Add false_label field.
7430 (end_catch_handler): Add prototype.
7431 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
7432 (start_catch_handler): When using old style exceptions, issue
7433 runtime typematch code before continuing with the handler.
7434 (end_catch_handler): New function, generates label after handler
7435 if needed by older style exceptions.
7436 (expand_start_all_catch): No need to check for new style exceptions.
7437 (output_exception_table_entry): Only output the first handler label
7438 for old style exceptions.
7439 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
7440 mechanism into one function, if a runtime matcher is provided.
7442 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7444 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7446 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7448 * integrate.c (copy_decl_list): Fix typo.
7450 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7452 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7455 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7457 * version.c: Bump for snapshot.
7459 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7461 * version.c: Bump for snapshot.
7463 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7465 * version.c: Bump for snapshot.
7467 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7469 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7471 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7473 * configure.in: remove usage of `!' to negate the result of a
7474 command; some common shells do not support it
7476 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7478 * configure.in: in sparc9-sol2 config, use 'if test' not
7480 * configure: Rebuilt.
7482 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7484 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7485 (CPP_CPU_DEFAULT_SPEC): Likewise.
7486 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7487 for arch64 libfuncs.
7489 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7492 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7494 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7496 * collect2.c: Don't declare `sys_siglist' here.
7497 (my_strsignal): Prototype and define new function. Use it in
7498 place of `sys_siglist' hacks.
7500 * mips_tfile.c: Likewise.
7502 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7503 (GCC_NEED_DECLARATIONS): Likewise.
7505 * system.h (strsignal): Prototype it, if necessary.
7506 (sys_siglist): Declare it, if necessary.
7508 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7510 * loop.c (move_movables): While removing insn sequences, preserve
7511 the next pointer of the most recently deleted insn when we skip
7514 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7516 * objc/config-lang.in: Do not output the name of the selected
7517 thread file when building the front-end. The Makefile for the
7518 runtime library will do this.
7520 * objc/Make-lang.in: Do not build the runtime library or install
7521 the Objective C header files. The Makefile for the runtime
7522 library will do this.
7524 * objc/Makefile.in (all.indirect): Only build the front-end.
7525 (compiler): Rename to `frontend'.
7526 (obj-runtime): Remove target.
7527 (copy-headers): Likewise.
7528 (clean): No need to remove `libobjc.a' any longer.
7530 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7532 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7533 supported with -mcpu=xxx.
7535 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7537 * flow.c (mark_set_1): Recognize multi-register structure return
7538 values in CALL insns.
7539 (mark_used_regs): Likewise.
7540 (count_reg_sets_1): Likewise.
7541 (count_reg_references): Likewise.
7542 * rtlanal.c (note_stores): Likewise.
7543 (reg_overlap_mentioned_p): Likewise.
7544 * haifa-sched.c (check_live_1): Likewise.
7545 (update_live_1): Likewise.
7546 (sched_analyze_1): Likewise.
7547 (sched_note_set): Likewise.
7548 (birthing_insn_p): Likewise.
7549 (attach_deaths): Likewise.
7551 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7554 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7556 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7558 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7560 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7562 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7564 * configure.in: Add check for GAS subsection -1 support.
7565 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7566 * configure config.in: Rebuilt.
7567 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7568 SImode is subsection -1 works, else use DImode.
7569 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7570 subsection -1 works.
7571 * config/sparc/sparc.c (sparc_output_addr_vec,
7572 sparc_output_addr_diff_vec): Use them if defined.
7574 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7576 * tree.h (DECL_ORIGIN): New macro.
7577 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7578 (copy_decl_list): Use it.
7579 (integrate_parm_decls): Likewise.
7580 (integrate_decl_tree): Likewise.
7581 * dwarf2out.c (decl_ultimate_origin): Simplify.
7582 * dwarfout.c (decl_ultimate_origin): Likewise.
7583 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7584 (pushdecl): Likewise.
7586 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7588 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7590 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7592 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7594 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7596 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7597 empty or has a single entry.
7599 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7600 before calling reg_to_stack.
7602 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7604 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7605 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7607 * c-tree.h (warn_long_long): Declare it.
7609 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7611 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7612 initialized float-int union if the value is a NaN.
7614 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7616 * c-lex.c (real_yylex): Don't warn about long long constants if
7617 we're allowing long long
7619 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7621 * except.h (current_function_eh_stub_label): Declare.
7622 (current_function_eh_old_stub_label): Declare.
7623 * function.h (struct function): New members eh_stub_label and
7625 * except.c (current_function_eh_stub_label): New variable.
7626 (current_function_eh_old_stub_label): New variable.
7627 (init_eh_for_function): Clear them.
7628 (save_eh_status): Save them.
7629 (restore_eh_status): Restore them.
7630 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7631 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7632 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7633 make an edge from the block that contains it to the block starting
7634 with the label if this label is one of the eh stub labels.
7635 If eh stub labels exist, show they are reachable from the last block
7638 * reload1.c (reload): Break out several subroutines and make some
7640 (calculate_needs_all_insns): New function, broken out of reload.
7641 (calculate_needs): Likewise.
7642 (find_reload_regs): Likewise.
7643 (find_group): Likewise.
7644 (find_tworeg_group): Likewise.
7645 (something_needs_reloads): New global variable, formerly in reload.
7646 (something_needs_elimination): Likewise.
7647 (caller_save_spill_class): Likewise.
7648 (caller_save_group_size): Likewise.
7649 (max_needs): Likewise.
7650 (group_size): Likewise.
7651 (max_groups): Likewise.
7652 (max_nongroups): Likewise.
7653 (group_mode): Likewise.
7654 (max_needs_insn): Likewise.
7655 (max_groups_insn): Likewise.
7656 (max_nongroups_insn): Likewise.
7657 (failure): Likewise.
7659 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7661 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7663 * loop.c (load_mems): Copy rtx for output mem.
7665 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7667 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7668 mips1 or mips2 either.
7670 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7672 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7674 (pa_adjust_insn_length): Update to work with new marking scheme
7675 for jumps inside switch tables.
7676 * pa.md (switch_jump): Remove pattern.
7677 (jump): Handle jumps inside jump tables.
7679 * Makefile.in (profile.o): Depend on insn-config.h
7681 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7683 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7685 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7687 Add preliminary native sparcv9 Solaris support.
7688 * configure.in: Recognize sparv9-*-solaris2*
7689 * configure: rebuilt
7690 * config.sub: Recognize sparcv9 just like sparc64.
7691 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7692 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7693 32-bit and 64-bit Solaris systems.
7694 * config/sparc/t-sol2: Assemble those with cpp.
7695 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7696 (*TF*_LIBCALL): If ARCH64 use V9 names.
7697 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7699 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7701 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7702 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7704 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7706 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7707 to Pmode if CASE_VECTOR_MODE is something else.
7709 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7711 * prefix.c (update_path): Correctly handle cases where PATH is
7712 a substring of the builtin prefix, but specifies a different
7715 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7717 * expr.c: Corrected comment about what MOVE_RATIO does.
7718 * config/alpha/alpha.h: Ditto.
7719 * config/1750a/1750a.h: Ditto.
7720 * config/clipper/clipper.h: Ditto.
7721 * config/i386/i386.h: Ditto.
7723 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7725 * configure.in (m68k-next-nextstep3*): Use collect2.
7726 Similarly for x86 NeXT configurations.
7727 * configure: Rebuilt.
7729 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7731 * configure.in: Don't assume srcdir is .../gcc
7732 * configure: Rebuilt.
7734 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7736 * global.c: Update comments.
7737 (global_alloc): Assign allocation-numbers
7738 even for registers allocated by local_alloc in case
7739 they are later spilled and retry_global_alloc is called.
7740 (mark_reg_store, mark_reg_clobber,
7741 mark_reg_conflicts, mark_reg_death): Always record a
7742 conflict with a pseudo register even if it has been
7743 assigned to a hard register.
7744 (dump_conflicts): Don't list pseudo registers already assigned to
7745 a hard register as needing to be allocated, but do list their
7747 * local-alloc.c: Update comment.
7749 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7751 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7752 * configure: Rebuilt.
7754 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7756 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7758 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7759 for all targets that set -msoft-float.
7761 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7763 * toplev.c (print_switch_values): Make static to match prototype.
7765 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7767 * configure.in: If we are unable to find the "gnatbind" program,
7768 then do not configure the ada subdir.
7769 * configure: Rebuilt.
7771 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7773 * version.c: Bump for snapshot.
7775 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7777 * version.c: Bump for snapshot.
7779 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7781 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7782 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7784 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7786 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7788 * genextract.c: Have insn-extract.c include toplev.h.
7790 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7792 * toplev.c: Include expr.h.
7793 (really_sorry, fancy_abort): Remove prototypes.
7794 (set_target_switch): Add argument in prototype.
7795 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7796 (v_really_sorry): Likewise.
7797 (print_version, print_single_switch, print_switch_values): Make
7798 static and add prototype arguments.
7799 (decl_printable_name): Add prototype arguments.
7800 (lang_expand_expr_t): New typedef.
7801 (lang_expand_expr): Declare as a lang_expand_expr_t.
7802 (incomplete_decl_finalize_hook): Add prototype argument.
7803 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7804 (botch): Likewise for variable `s'.
7805 (rest_of_type_compilation): Mark variables `type' and `toplev'
7806 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7807 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7808 (display_help): Make variable `i' an `unsigned long'.
7809 (main): Remove unused parameter `envp'.
7810 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7811 Cast -1 when comparing it with a `size_t'.
7813 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7814 prototype with ATTRIBUTE_NORETURN.
7815 (fatal_insn_not_found, fatal_insn, really_sorry,
7816 push_float_handler, pop_float_handler): Add prototypes.
7817 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7818 (do_abort, botch): Add prototypes.
7820 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7822 * final.c (final): If a label is reached only from a single jump,
7823 call NOTICE_UPDATE_CC on the jump and its predecessor before
7824 emitting the insn after the label.
7826 * i386.h: Add AMD K6 support.
7827 Change TARGET_* macros to use table lookup.
7828 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7829 (ADJUST_COST): Change definition to call function in i386.c.
7830 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7831 * i386.c: Add AMD K6 support.
7832 Add constants for feature tests used by TARGET_* macros.
7833 (split_di): If before reload, call gen_lowpart and gen_highpart.
7834 (x86_adjust_cost): New function.
7835 (put_jump_code): New function.
7836 (print_operand): New codes 'D' and 'd'.
7837 * i386.md: New insn types. New insn attribute "memory".
7838 Redefine scheduling parameters to use new types and add AMD K6
7839 support. Explicitly set type of most insns.
7840 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7841 Pro and K6 prefer movl $1,reg to incl reg.
7842 (adddi3, subdi3): Set cc_status.
7843 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7844 to int; x86 can't have more than 2^31 DImode shifts per file.
7845 (setcc): Combine all setcc patterns. Allow writing memory.
7846 Combine all jump patterns using match_operator.
7847 (*bzero): Name pattern. Emit mutliple stos instructions when that
7848 is faster than rep stos.
7849 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7852 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7854 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7857 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7859 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7860 not whatever we're generating now.
7862 * alpha.c (set_frame_related_p, FRP): New.
7863 (alpha_expand_prologue): Mark frame related insns.
7864 (alpha_expand_epilogue): Likewise, but with a null FRP.
7865 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7866 * alpha.md (exception_receiver): New.
7867 * alpha/crtbegin.asm (.eh_frame): New beginning.
7868 (__do_frame_setup, __do_frame_takedown): New.
7869 * alpha/crtend.asm (.eh_frame): New ending.
7870 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7871 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7872 (ASM_FILE_START): Don't emit .file for dwarf2.
7874 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7875 * rtl.c (reg_note_name): Likewise.
7876 * rtl.texi (REG_NOTES): Likewise.
7877 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7880 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7882 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7883 * i386.md (movsf, movdf, movxf): Validate memory address returned
7884 from force_const_mem. Kill useless REG_EQUAL setting code.
7886 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7888 * m68k.md (zero_extendsidi2): Fix typo.
7890 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7892 * configure.in: Removed references to the removed file
7893 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7894 * arm*-*-netbsd* and ns32k-*-netbsd*.
7895 * config/i386/xm-netbsd.h: Removed unnecessary file.
7896 * config/m68k/xm-netbsd.h: Likewise.
7897 * config/sparc/xm-netbsd.h: Likewise.
7898 * config/mips/xm-netbsd.h: Likewise.
7900 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7902 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7903 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7905 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7906 for exact section attributions.
7908 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7910 * i386/crtdll.h (CPP_PREDEFINES): Define.
7912 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7914 * m68k.md (5200 movqi): Do not allow byte sized memory references
7916 * m68k.c (output_move_qimode): Do not use byte sized operations on
7919 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7920 explicit rules for building. Similarly for alloca, vfprintf,
7921 choose-temp and mkstemp, getopt, getopt1, and obstack.
7922 (INCLUDES): Add $(srcdir)/../include.
7923 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7924 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7926 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7928 * gcc.c (do_spec_1): [case 'o'] Account for
7929 lang_specific_extra_outfiles.
7930 (main): Correctly clear all slots in outfiles for
7931 lang_specific_extra_outfiles. Set input_file_number before
7932 calling lang_specific_pre_link.
7934 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7936 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7938 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7940 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7942 (sparc_output_deferred_case_vectors): If no work to do, return.
7943 Fix thinko in Sept 1 change.
7945 1998-09-03 SL Baur <steve@altair.xemacs.org>
7947 * Makefile.in: add semicolon in BISON definition for portability.
7949 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7951 * config/nextstep.c (handle_pragma): Correct name of third
7954 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7956 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7957 * config/m32r/m32r.h: Make register 17 be fixed.
7958 * config/m32r/m32r.c: Use SImode for cc operations.
7960 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7962 * invoke.texi (Warning Options): Add -Wnon-template-friend
7965 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7967 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7969 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7971 * rs6000.md (movsf): Disable explicit secondary-reload-like
7972 functionality if TARGET_POWERPC64.
7973 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7976 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7978 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7979 and term.h from fixinc.wrap.
7981 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7983 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7984 safe to include both string.h and strings.h together.
7985 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7986 which headers to search for function declarations. Continue to
7987 prefer string.h over strings.h when both are not acceptable.
7989 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7991 * configure.in: Call GCC_HEADER_STRING.
7993 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7994 to include. Continue to prefer string.h over strings.h when both
7997 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7999 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8000 not assume top 32-bits of symbolic addresses are zero if
8003 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8005 * ginclude/va-alpha.h: Protect entire second portion of the
8006 file against double inclusion.
8008 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8010 Added support for the Boehm's garbage collector.
8011 * configure.in: Handle --enable-objc-gc.
8012 * configure: Rebuilt.
8013 * Makefile.in (CHECK_TARGETS): Add check-objc.
8014 (check-objc): New rule.
8015 * objc/Make-lang.in: Build a different Objective-C library that
8016 runs with the Boehm's collector.
8017 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8018 * objc/encoding.c: Correctly compute the size of compound types in
8019 the presence of bitfields. Skip the variable name of the type if
8020 any. Added support for long long.
8021 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8022 (_F_GCINVISIBLE): New mask.
8023 * objc/gc.c: New file. Compute the type memory mask associated with
8024 a class based on the runtime information.
8025 * objc/misc.c: Added the hooks that use the Boehm's collector
8026 allocation functions.
8027 * objc/objc-act.c (build_class_template): Generate a new class
8028 member (gc_object_type) to hold the class' type memory mask.
8029 (build_shared_structure_initializer): Initialize the new member to
8031 (encode_complete_bitfield): New function. Generate the new
8033 (encode_field_decl): Generate the new encoding only for the GNU
8035 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
8037 (class_get_gc_object_type): New function to mark a pointer instance
8038 variable as a weak pointer.
8039 * objc/objc-features.texi: New file.
8040 * objc/objc.h (gc_object_type): New class member.
8041 * objc/objects.c (class_create_instance): Create a typed memory
8042 object when compiled with Boehm's collector support.
8043 * objc/sendmsg.c (__objc_init_install_dtable): Call
8044 __objc_send_initialize instead of setting the initialize flag.
8045 (__objc_send_initialize): Call __objc_generate_gc_type_description
8046 to generate the class type memory mask. Rewrite the code that
8047 sends the +initialize so that it is called only once (bug report
8048 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
8049 * testsuite/objc: New testsuite for Objective-C type encoding.
8050 * testsuite/lib/objc-torture.exp: New file.
8051 * testsuite/lib/objc.exp: New file.
8053 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
8055 * jump.c (jump_optimize): In if/then/else transformations, add
8056 another call to modified_between_p for the jump insn.
8058 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
8060 * fix-header.c (symlink): Treat like readlink.
8062 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8064 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
8067 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
8069 * config/nextstep.h: Update HANDLE_PRAGMA macro.
8070 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
8071 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
8073 * config/nextstep.c (handle_pragma): Take three arguments, as per
8074 the new HANDLE_PRAGMA macro specification.
8075 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
8076 per the new HANDLE_PRAGMA macro specification.
8077 * config/i960/i960.c (process_pragma): Take three arguments, as
8078 per the new HANDLE_PRAGMA macro specification.
8080 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
8082 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
8083 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
8084 if unknown pragmas are encountered.
8085 (handle_sysv_pragma): Interpret return code from
8086 handle_pragma_token (). Return success/failure indication rather
8087 than next unprocessed character.
8088 (pragma_getc): New function: retrieves characters from the
8089 input stream. Defined when HANDLE_PRAGMA is enabled.
8090 (pragma_ungetc): New function: replaces characters back into the
8091 input stream. Defined when HANDLE_PRAGMA is enabled.
8093 * c-pragma.c (handle_pragma_token): Return success/failure status
8096 * c-pragma.h: Change prototype of handle_pragma_token().
8098 * varasm.c: (handle_pragma_weak): Only create this function if
8099 HANDLE_PRAGMA_WEAK is defined.
8101 * c-common,c (decl_attributes): If defined call the expression
8102 contained within the INSERT_ATTRIBUTES macro before adding
8103 attributes to a decl.
8105 * tm.texi (HANDLE_PRAGMA): Document the new verion of
8106 HANDLE_PRAGMA, which takes three arguments.
8107 (INSERT_ATTRIBUTES): Document this new macro.
8109 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
8110 new INSERT_ATTRIBUTES macro.
8112 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8114 * config/sparc/sparc.md (movdf): Only generate special RTL for
8115 LABEL_REFs when PIC.
8116 (move_label_di): Remove
8117 (movdi_pic_label_ref, movdi_high_pic_label_ref,
8118 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
8119 references when PIC.
8120 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
8121 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
8122 output an .xword for all 64-bit cases.
8124 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8126 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
8127 alignment, use FUNCTION_BOUNDARY instead.
8128 (sparc_output_deferred_case_vectors): Likewise.
8130 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8132 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
8133 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
8135 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
8137 * alpha/va_list.h: New file.
8138 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
8140 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
8142 * NEWS: Add SCO Openserver and Unixware 7 notes.
8146 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
8148 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
8149 (record_constant_1): Handle RANGE_EXPR.
8151 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
8153 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
8154 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
8155 and NOTE_INSN_RANGE_END specially.
8156 (reemit_notes): Likewise.
8158 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8160 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
8161 (ultrasparc_sched_init): Remove unneeded &.
8163 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8165 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
8166 for m68020-60, to prevent the use of fintrz.
8168 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
8170 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
8172 * Makefile.in: Likewise.
8173 * configure: Regenerated.
8175 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
8177 * configure.in (gxx_include_dir): Changed to
8178 '${prefix}/include/g++'-${libstdcxx_interface}.
8179 * configure: Rebuilt.
8181 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
8183 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
8185 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
8186 *sequences* *below* which scalar moves will be used.
8188 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
8190 * collect2.c (mktemp): Delete unused declaration.
8192 * config/xm-netbsd.h: Remove unnecessary file.
8193 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
8194 file anymore, it is not needed.
8196 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
8198 * convert.c (convert_to_integer): Issue an error on conversions to
8201 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
8203 * Makefile.in: Add lang_tree_files and gencheck.h.
8204 * configure.in: Generate them.
8205 * gencheck.c: Include gencheck.h.
8207 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8209 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
8210 movdi_lo_sum_pic and movdi_high_pic and make visible.
8211 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
8212 emit these when Pmode is not SImode.
8213 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
8215 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
8217 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
8218 .linkonce directive after the first time.
8220 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
8222 * m68k.md (beq0_di): Generate correct (and more efficient) code when
8223 the clobbered operand overlaps with an input.
8224 (bne0_di): Similarly.
8226 * Makefile.in (INSTALL): Remove "--no-header" argument.
8228 * NEWS: Various updates.
8230 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8232 * config/sparc/sparc.c (arith_operand, const64_operand,
8233 const64_high_operand, arith_double_4096_operand): Mark mode as
8235 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
8237 (sparc_emit_set_const64): Remove unused variable i.
8238 (sparc_splitdi_legitimate): Likewise for addr_part.
8239 (ultra_code_from_mask): Likewise for mask.
8240 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
8241 reverse return values so it matches usage and comments.
8242 (ultra_flush_pipeline): Likewise.
8243 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
8244 this_type, and allow loads and stores of differing FP modes as
8245 they do not create a conflict.
8246 (ultra_find_type): Initialize fpmode to SFmode, fix
8247 parenthesization thinkos in large conditional.
8248 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
8249 Init free_slot_mask after ultra_cur_hist is reset, not before.
8250 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
8251 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
8252 use ultra_flush_pipeline instead, then re-init group pointer.
8253 Fix statement with no effect. If no progress made in, and no
8254 instructions scheduled at all, advance to new pipeline cycle else
8255 we get into an endless loop.
8256 (ultrasparc_adjust_cost): Remove previous arg.
8257 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
8259 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
8261 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
8262 code. Use reg_overlap_mentioned_p to detect when source and
8263 destination overlap.
8264 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
8266 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
8268 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
8269 COMPARISON_VAL, into invariant_p.
8271 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8273 * regmove.c (regclass_compatible_p): New function.
8274 (regmove_optimize): Use it.
8276 Use NREGS parameter insted of calling max_reg_num.
8278 (fixup_match_1): Don't use code = MINUS when later tieing with
8279 a hard register is likely.
8281 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8283 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
8284 COMPARISON_VAL was normalized.
8286 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
8288 * loop.c (check_dbra_loop): The loop ending comparison value
8289 must be an invariant or we can not reverse the loop.
8291 * loop.c (scan_loop): Count down from max_reg_num - 1 to
8292 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
8294 (load_mems_and_recount_loop_regs_set): Likewise.
8296 * i386.c (print_operand): Remove obsolete 'c' docs.
8298 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
8300 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
8301 * frame.c (init_object_mutex): New function.
8302 (init_object_mutex_once): Likewise.
8303 (find_fde): Call it.
8304 (__register_frame_info): Likewise.
8305 (__register_frame_info_table): Likewise.
8306 (__deregister_frame_info): Likewise.
8308 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
8310 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
8312 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8314 * loop.c (check_dbra_loop): Enable code for reversal
8315 of some loops without a known constant loop end.
8317 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
8319 * haifa-sched.c (last_clock_var): New.
8320 (schedule_block): Initialize it.
8321 (schedule_insn): Use it to fill insn modes with issue information.
8323 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
8324 Tag trapb and next insn with TImode.
8325 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
8326 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
8327 Invoke alphaev5_align_insns as appropriate.
8328 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
8329 (MD_SCHED_VARIABLE_ISSUE): New.
8330 * alpha.md (attr type): Add multi.
8331 (define_asm_attributes): New.
8332 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
8333 (arg_home): Likewise.
8334 (fnop, unop, realign): New.
8336 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
8338 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
8339 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
8341 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
8342 (rs6000-ibm-aix4.[12]*): Likewise.
8343 * configure: Regnerate.
8345 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
8347 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
8348 already contains the return address.
8350 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
8352 * calls.c (expand_call): Use bitfield instructions to extract/deposit
8353 word sized hunks when loading unaligned args into registers.
8355 * haifa-sched.c (sched_analyze_insn): Only create scheduling
8356 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
8358 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
8360 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8362 * loop.c (check_dbra_loop): Add some code that would allow reversal
8363 of some loops without a known constant loop end if it were enabled.
8365 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
8367 * mips.md (lshrsi3_internal2+2): Fix type-o.
8369 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8371 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
8372 correctly with regards to stdio.h.
8374 * calls.c: Remove stdarg.h/varargs.h.
8377 * combine.c: Likewise.
8378 * cpperror.c: Likewise.
8379 * cpplib.c: Likewise.
8380 * cpplib.h: Likewise.
8381 * doprint.c: Likewise.
8382 * emit-rtl.c: Likewise.
8383 * final.c: Likewise.
8384 * fix-header.c: Likewise.
8386 * genattr.c: Likewise.
8387 * genattrtab.c: Likewise.
8388 * gencodes.c: Likewise.
8389 * genconfig.c: Likewise.
8390 * genemit.c: Likewise.
8391 * genextract.c: Likewise.
8392 * genflags.c: Likewise.
8393 * genopinit.c: Likewise.
8394 * genoutput.c: Likewise.
8395 * genpeep.c: Likewise.
8396 * genrecog.c: Likewise.
8397 * mips-tfile.c: Likewise.
8398 * prefix.c: Likewise.
8399 * protoize.c: Likewise.
8400 * regmove.c: Likewise.
8401 * toplev.c: Likewise.
8404 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8406 * config/sparc/sparc.c (sparc_override_options): If not
8407 TARGET_FPU, turn off TARGET_VIS.
8408 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
8409 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
8410 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
8411 (movdi_insn_sp64): Add VIS fzero alternative.
8412 (clear_sf, clear_df): New VIS patterns.
8413 (movsf, movdf expanders): Allow fp_zero_operand flat out when
8415 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
8417 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
8419 * loop.c (n_times_set, n_times_used, may_not_optimize,
8420 reg_single_usage): Convert to varrays. All uses changed.
8421 (insert_loop_mem): Return a value.
8422 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
8423 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
8426 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
8429 * configure.in: Do not set thread_file to "irix" since no such
8432 * sparc.md (float abs/neg splits): Check reload_completed before
8433 calling alter_subreg.
8435 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8437 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
8439 * config/sparc/sparc.h: Declare it.
8440 * config/sparc/sparc.md (float abs/neg splits): Use it.
8441 (all other splits): Handle SUBREGs properly where necessary.
8442 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8444 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8446 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8447 an insn on the unfilled_slots_list that has no delay slots.
8448 (fill_eager_delay_slots): Similarly.
8450 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8452 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8453 as an ordinary operand.
8455 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8457 * tree.c (valid_machine_attribute): Don't apply attributes to both
8460 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8462 * reload.c (operands_match_p): Handle rtvecs.
8464 * i386.c (legitimate_pic_address_disp_p): New.
8465 (legitimate_address_p): Use it.
8466 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8467 Handle constant pool symbols just like statics.
8468 (emit_pic_move): Use Pmode not SImode for clarity.
8469 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8470 [UNSPEC]: New, handling what we killed above.
8471 [PLUS]: Detect and abort on invalid symbol arithmetic.
8472 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8474 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8476 * alias.c: Include output.h.
8477 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8478 different if we're in a varargs function.
8479 * Makefile.in (alias.o): Depend on output.h
8481 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8483 * sh.h (GIV_SORT_CRITERION): Delete.
8485 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8487 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8488 * stupid.c (stupid_life_analysis): Ditto.
8489 * reload1.c (reload): Ditto.
8491 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8493 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8494 arith_double_4096_operand, arith_double_add_operand): New
8496 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8497 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8498 them to transform add/sub 4096 into add/sub -4096.
8500 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8502 * loop.c (scan_loop): Allocate some slop to handle pseudos
8503 generated by move_movables.
8504 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8507 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8509 * tree.def (DECL_RESULT): Correct documentation.
8511 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8513 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8514 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8515 conflicts will all RELOAD_FOR_OUTPUT reloads.
8517 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8518 loads the function result, substitute with a USE.
8520 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8522 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8523 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8524 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8525 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8526 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8527 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8529 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8530 'o' to 'm' for GPR variant constraints.
8532 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8534 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8536 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8538 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8539 when the source and destination overlap.
8541 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8542 clash with global type.
8544 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8546 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8548 * c-common.c (combine_strings): Also set TREE_READONLY.
8549 Change warn_write_strings to flag_const_strings.
8550 * c-decl.c, c-tree.h: Likewise.
8552 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8554 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8555 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8556 sequence, use SET/IOR instead so CSE can see it.
8557 * config/sparc/sparc.md (movhi_const64_special,
8558 movsi_const64_special): New patterns necessitated by that change.
8559 (movhi_high): Remove.
8560 (movhi_lo_sum): Change to match an IOR.
8561 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8562 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8563 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8564 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8565 registers are involved.
8566 (snesi_zero_extend split): Remove reload_completed test.
8567 (unnamed plus and minus zero_extend sidi splits): Add it.
8569 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8571 * extend.texi: Remove description of extension to explicit
8572 instantiation that is now endorsed by standard C++.
8574 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8576 * config/arc/arc.c (arc_initialize_pic): Remove.
8577 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8578 nothing on any platform and is invoked by no-one, it does not even
8579 appear in the documentation.
8580 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8581 * config/sparc/sparc.c (initialize_pic): Likewise.
8582 (find_addr_reg): Remove this as well, no longer referenced after
8585 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8587 * recog.c (validate_replace_rtx_group): New function.
8588 * recog.h (validate_replace_rtx_group): Declare it.
8589 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8590 the entire group of substitutions.
8592 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8594 * loop.c (load_mems): Fix initializers.
8596 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8598 * config/sparc/sparc.md (TFmode splits): Handle destination
8599 registers being referenced in the address correctly.
8601 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8602 TREE_UNSIGNED, when bitsize of type's mode is larger than
8603 HOST_BITS_PER_WIDE_INT.
8605 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8607 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8608 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8609 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8611 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8614 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8616 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8617 * h8300.h (TINY_DATA_NAME_P): Likewise.
8618 (STRIP_NAME_ENCODING): Handle '&'.
8620 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8621 register (it could be accessed via an outer SUBREG).
8622 (REG_OK_FOR_BASE_P): Likewwise.
8623 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8625 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8628 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8630 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8632 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8633 must be offsettable so the splits can be made.
8635 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8637 * config/i386/winnt.c: Include system.h, not stdio.h to get
8638 sys/param.h pulled in before rtl.h in case the system defines MIN
8641 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8643 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8645 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8647 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8649 * cpplib.c (cpp_define): Handle macros with parameters.
8651 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8653 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8654 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8655 and DImode 64-bit. Use llong for minimal-toc SFmode and
8656 SYMBOL_REF / LABEL_REF 64-bit.
8657 (output_function_profiler): Use llong for profiler label and ld to
8658 load 64-bit label address.
8660 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8662 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8665 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8667 * version.c: Bump for snapshot.
8669 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8671 * version.c: Bump for snapshot.
8673 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8675 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8677 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8679 * tm.texi (Misc): Fix typo "teh".
8681 * tm.texi (PIC): Fix typo "PPIC".
8683 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8684 effect when -O2 and higher.
8685 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8687 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8689 * regclass.c: Changed register set documentation to be consistent
8692 * final.c (final_start_function) Removed redundant test for
8695 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8697 * rtl.h (rtx_function): New type.
8698 (for_each_rtx): New function.
8699 * rtlanal.c (for_each_rtx): Define it.
8701 * recog.c (change_t): New type.
8702 (change_objects, change_old_codes, change_locs, change_olds):
8704 (changes): New variable.
8705 (validate_change): Dynamically allocate room for more changes, if
8706 necessary. Uses changes array instead of change_objects, etc.
8707 (apply_change_group): Use changes array instead of
8708 change_objects, etc.
8710 * loop.c (loop_mem_info): New type.
8711 (loop_mems): New variable.
8712 (loop_mems_idx): Likewise.
8713 (looop_mems_allocated): Likewise.
8714 (scan_loop): Remove nregs parameter.
8715 (next_insn_in_loop): New function.
8716 (load_mems_and_recount_loop_regs_set): Likewise.
8717 (load_mems): Likewise.
8718 (insert_loop_mem): Likewise.
8719 (replace_loop_mem): Likewise.
8720 (replace_label): Likewise.
8721 (INSN_IN_RANGE_P): New macro.
8722 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8723 (scan_loop): Remove nregs parameter, compute it after any new
8724 registers are created by load_mems. Use INSN_IN_RANGE_P and
8725 next_insn_in_loop rather than expanding them inline. Call
8726 load_mems to load memory into pseudos, if appropriate.
8727 (prescan_loop): Figure out whether or not there are jumps from the
8728 loop to targets other than the label immediately following the
8729 loop. Call insert_loop_mem to notice all the MEMs used in the
8730 loop, if it could be safe to pull MEMs into REGs for the duration
8732 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8734 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8736 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8738 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8740 * config/sparc/sparc.c (finalize_pic): Check for the correct
8741 nonlocal_goto_receiver UNSPEC number.
8742 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8743 making note of this dependency existing in sparc.c
8744 (negtf2_notv9 split): Give NEG SFmode.
8745 (negsf2): Fix insn output string.
8747 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8749 * c-common.c (decl_attributes): Issue an error if the argument
8750 to alias is not a string.
8752 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8754 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8755 pending memory flush list.
8757 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8759 (try_combine): Allow combining insns with REG_LIBCALL notes.
8761 * expr.c (emit_block_move): Do not call memcpy as a libcall
8762 instead build up a CALL_EXPR and call it like any other
8764 (clear_storage): Similarly for memset.
8766 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8769 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8772 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8773 and REG_LIVE_LENGTH as successful substitutions are made.
8775 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8777 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8778 statement after end of loop label.
8780 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8782 * config/sparc/sparc.c (ultra_types_avail): New variable.
8783 (ultra_build_types_avail): New function to record mask of insn
8784 types in ready list at this cycle.
8785 (ultrasparc_sched_reorder): Call it.
8786 (ultra_find_type): Use it to quicken the search. Also simplif
8787 dependency check, don't use rtx_equal_p because we know exactly
8788 what we are looking for.
8790 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8792 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8793 for architecture v4.
8795 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8797 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8799 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8800 movdf_const_intreg and helper splits): New patterns to move float
8801 constants into integer registers.
8802 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8805 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8808 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8810 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8812 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8813 a BASE_REGS register is needed as an intermediate when copying
8814 a symbolic value into any register class other than BASE_REGS.
8816 * expr.c (move_by_pieces): No longer static. Remove prototype.
8817 * rtl.h (move_by_pieces): Add extern prototype.
8818 * mips.c (expand_block_move): Handle aligned straight line copy by
8819 calling move_by_pieces.
8821 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8824 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8826 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8827 jumps out of the loop to be treated as part of the exit test.
8829 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8830 Jeff Law <law@cygnus.com>
8832 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8833 * cplus-dem.c: Delete.
8835 * Makefile.in (fold-const.o): depend on $(RTL_H).
8837 * fold-const.c: Include rtl.h to get the prototype for
8838 `set_identifier_local_value'.
8840 * loop.c (express_from_1): Remove unused variable `tmp'.
8841 (combine_givs): cast the first argument of bzero to char *.
8843 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8845 * c-decl.c (init_decl_processing): Remove unneeded &.
8847 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8849 * except.c (set_exception_lang_code, set_exception_version_code):
8850 Change parameter from `short' to `int' to avoid using a gcc
8853 * except.h (set_exception_lang_code, set_exception_version_code):
8854 Likewise for prototypes.
8856 * flow.c (count_reg_references): Remove unused variables `regno'
8859 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8861 * prefix.c (translate_name): Cast the result of `alloca'.
8863 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8865 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8867 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8869 (valid_dbcc_comparison_p): Mark mode argument as unused.
8870 (symbolic_operand): Likewise.
8871 (legitimize_pic_address): Likewise.
8872 (const_uint32_operand): Likewise.
8873 (const_sint32_operand): Likewise.
8874 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8875 schedule_insns and comment out rest of file.
8877 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8879 (output_move_[hq]imode): Likewise.
8881 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8883 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8884 * invoke.texi: Corresponding changes.
8886 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8888 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8890 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8892 * config/sparc/sparc.c (ultra_code_from_mask,
8893 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8894 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8895 ultrasparc_sched_init, ultrasparc_variable_issue,
8896 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8897 functions to describe UltraSPARC pipeline exactly to Haifa.
8898 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8899 as there is nothing the scheduler can do about it. Indicate that
8900 REG_DEP_OUTPUT's collide. Fixup formatting.
8901 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8902 divide costs on Ultra for DImode.
8903 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8905 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8906 ieuN and add call_no_delay_slot to type list.
8907 (cti function unit): New unit for branches on UltraSPARC.
8908 (subx/addx insns): Set type to misc.
8909 (sidi zero/sign extension insns on arch64): Set type to shift.
8910 (sign_extendhidi2_insn): Set type to sload.
8912 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8914 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8915 (output_epilog): Use if != 0 for offset.
8916 (rs6000_fatal_bad_address): Prepare for Intl.
8917 * rs6000.h (rs6000_fatal_bad_address): Declare.
8918 * rs6000.md (movsfcc, movdfcc): Use else if.
8919 (elf_high): Use {liu|lis}.
8920 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8921 (movsi): Use rs6000_fatal_bad_address.
8923 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8925 * reload.c (find_equiv_reg): Reject equivalences separated
8926 by a volatile instruction.
8928 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8930 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8932 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8934 * alpha.md (movsicc): Fix mode mismatch.
8936 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8938 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8940 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8942 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8944 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8945 write-only modifier from operand 1 constraint.
8947 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8949 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8950 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8952 (sparc_emit_set_const64): Likewise, also when computing trailing
8953 bits do not negate low_bits and make fast_int an int.
8955 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8957 * loop.c (add_label_notes): Do not ignore references to labels
8958 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8959 * gcse.c (add_label_notes): Similarly.
8961 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8963 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8964 (adddi_dishl32): Similarly.
8966 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8968 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8969 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8970 * cse.c (cse_basic_block): Add parens to shut up warnings.
8972 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8974 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8975 sparc_emit_set_const64_longway, const64_is_2insns,
8976 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8977 in 64-bit constant formation.
8978 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8979 rtl for addx not subx.
8980 (define_insn movdi_const64_special): Make available even when
8981 HOST_BITS_PER_WIDE_INT is not 64.
8982 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8983 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8984 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8985 instances of operand 1 inside a QI subreg.
8986 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8987 (one_cmpldi2_sp64): Fix output string.
8988 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8990 (unnamed arch64 ashift DI): Truncate shift count if greater than
8993 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8995 * expr.c (store_expr): Don't optimize away load-store pair
8996 when either source or destination have a side effect.
8998 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9000 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9001 operands of SET are incompatible.
9003 * alpha.md: Fix max and min patterns so modes of SET operands match.
9005 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9007 * configure.in: Avoid [[ by using test and changequote.
9008 * configure: Rebuild.
9010 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9012 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9014 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9015 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9016 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9017 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9018 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9019 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9020 Fix mismatching modes in SET operands.
9021 (conditional move patterns): Fix formatting.
9022 (unnamed subx arch64 pattern): Remove duplicate insn.
9024 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9026 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9027 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
9028 (input_operand): Fixup test for what we accept for constant
9030 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
9032 (safe_constDI): Remove.
9033 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9034 gen_safe_XOR64): New functions.
9035 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
9036 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
9038 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
9039 available when HOST_BITS_PER_WIDE_INT is not 64.
9040 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
9041 move before movdi_insn_sp64 pattern.
9042 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
9043 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
9044 symbolic_operand as predicate for second operand.
9045 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
9046 expander): Give set VOIDmode.
9048 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9050 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
9052 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
9054 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
9056 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
9058 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
9060 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
9062 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
9064 * install.texi: Various SCO OpenServer tweaks.
9066 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
9068 * reload1.c (eliminate_regs_in_insn): Handle another case when
9069 eliminating the frame pointer to the hard frame pointer. Add
9070 missing ep->to_rtx check to one existing case.
9072 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
9074 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9076 * tree.h: De-conditionalize init_priority code.
9078 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
9079 * collect2.c (NM_FLAGS): Change from -p to -n.
9081 * configure.in: Turn on collect2 for mipstx39-elf.
9082 Handle use_collect2=no properly.
9084 * c-common.c: De-conditionalize init_priority code.
9085 * collect2.c (extract_init_priority, sort_ids): New fns.
9086 (main): Call sort_ids.
9087 Move sequence_number to file scope.
9089 * configure.in: Handle --enable-init-priority.
9090 * c-common.c (attrs): Add A_INIT_PRIORITY.
9091 (init_attributes, decl_attributes): Likewise.
9092 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
9093 * tree.c (get_file_function_name_long): Split out...
9094 (get_file_function_name): ...from here.
9096 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
9098 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
9101 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
9103 * toplev.c (display_help): Add braces to shut up warnings.
9104 * tree.c (simple_cst_equal): Likewise.
9106 * fold-const.c (non_lvalue): Don't deal with null pointer
9108 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9110 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
9111 of any size to a pointer.
9113 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
9115 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
9117 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
9119 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
9120 which will be saved.
9121 * mn10300.md (prologue insn): Only save registers which need saving.
9122 (epilogue insn): Similarly.
9124 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
9127 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
9129 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
9130 VAR_DECL's in gp addressable sections.
9132 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
9134 * sparc.c: Change return <exp> to <exp>; return; in functions
9136 * sparc.md: Add empty semicolon statement after final label in
9139 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9141 * config/sparc/sparc.md (define_insn addx_extend): Rename to
9142 addx_extend_sp64, only allow when TARGET_ARCH64.
9143 (define_insn addx_extend_sp32 and split): Version that works when
9145 (define_insn subx_extend): Likewise.
9146 (define_split adddi3 and subdi3 with zero extension): Fixup and
9147 correct bugs when not TARGET_ARCH64.
9149 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
9151 * except.c (set_exception_lang_code, set_exception_version_code):
9152 Use prototype-style definition if __STDC__, to match declaration
9155 * genemit.c: Change FAIL and DONE macros not to use loops.
9157 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
9159 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
9160 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
9162 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
9164 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
9166 * README.g77: Update from Craig.
9168 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9170 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
9172 (safe_constDI sparc_emit_set_const64_quick1,
9173 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9174 analyze_64bit_constant, const64_is_2insns,
9175 create_simple_focus_bits): Fix some bugs when compiled on real
9177 (function_arg_record_value_3, function_arg_record_value_2,
9178 function_arg_record_value): Add fully prototyped forward decls.
9179 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
9180 to cmpsi_insn and use on both 64 and 32 bit targets.
9181 (define_insn cmpsi_insn_sp64): Remove.
9182 (define_expand zero_extendsidi2): Allow for 32-bit target too.
9183 (define_insn zero_extendsidi2_insn): Rename to
9184 zero_extendsidi2_insn_sp64.
9185 (define_insn zero_extendsidi2_insn_sp32): New pattern and
9186 assosciated forced split for it.
9188 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9190 * config/sparc/sparc.h: Declare them.
9191 (PREDICATE_CODES): Add them.
9192 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
9193 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
9195 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
9197 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
9198 in v9 case as the latter makes the Solaris assembler crash.
9200 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9202 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
9203 for TFmode when !v9. We require offsettable memory addresses.
9204 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
9205 DFmode register number conversions.
9206 * config/sparc/sparc.md (define_split DFmode moves): If register
9207 is a SUBREG do alter_subreg on it before using.
9208 (define_expand movtf): Fixup comment about alignment on v9.
9209 (define_split TFmode moves): Don't use gen_{high,low}part, create
9210 explicit SUBREGs instead.
9212 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
9214 * Makefile.in (mbchar.o): Depend on mbchar.c.
9216 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9217 Richard Henderson <rth@cygnus.com>
9219 Rewrite Sparc backend for better code generation and
9220 improved sparc64 support.
9221 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
9223 * config/sparc/sysv4.h: Likewise.
9224 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
9225 move_operand, v8plus_regcmp_op, emit_move_sequence,
9226 singlemove_string, doublemove_string, mem_aligned_8,
9227 output_move_double, output_move_quad, output_fp_move_double,
9228 move_quad_direction, output_fp_move_quad, output_scc_insn):
9230 (small_int_or_double): New predicate.
9231 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
9232 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
9233 old pic_{sethi,lo_sum}_si patterns.
9234 (mem_min_alignment): New generic function to replace
9235 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
9236 available and can test for arbitrary alignments. All callers
9238 (save_regs, restore_regs, build_big_number,
9239 output_function_prologue, output_cbranch, output_return,
9240 sparc_flat_save_restore, sparc_flat_output_function_prologue,
9241 sparc_flat_output_function_epilogue): Prettify
9243 (output_function_epilogue): Likewise and add code to output
9244 deferred case vectors.
9245 (output_v9branch): Likewise, add new arg INSN and use it to tack
9246 on branch prediction settings. All callers changed.
9247 (print_operand): Likewise and output %l44 for LO_SUMs when
9249 (sparc_splitdi_legitimate): New function to make sure DImode
9250 splits can be run properly when !arch64.
9251 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
9252 Reformat example code in comments.
9253 (set_extends): Remove UNSPEC/v8plus_clear_high case.
9254 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
9255 of deferred case vectors we need to output.
9256 (sparc_defer_case_vector): Record a case vector.
9257 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
9258 sparc_output_deferred_case_vectors): New functions to output them.
9259 (sparc_emit_set_const32): New function to form 32-bit constants in
9260 registers when that requires more than one instruction.
9261 (safe_constDI, sparc_emit_set_const64_quick1,
9262 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9263 analyze_64bit_constant, const64_is_2insns,
9264 create_simple_focus_bits, sparc_emit_set_const64): New functions
9265 which do the same for 64-bit constants when arch64.
9266 (sparc_emit_set_symbolic_const64): New function to emit address
9267 loading for all code models on v9.
9268 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
9269 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
9270 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
9271 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
9272 inaccuracies in comments, add symbolic and text_segment operands
9273 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
9274 GENERAL_REGS in these cases as a temp REG is needed to load these
9275 addresses into a register properly.
9276 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
9278 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
9279 quads are guarenteed to have 16-byte alignment.
9280 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
9281 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
9282 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
9283 deferred case vector implementation.
9284 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
9285 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
9286 Generate "internal label - label" instead of "label - 1b".
9287 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
9288 (PREDICATE_CODES): Remove sparc_operand, move_operand,
9289 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
9291 (doublemove_string, output_block_move, output_fp_move_double,
9292 output_fp_move_quad, output_move_double, output_move_quad,
9293 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
9294 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
9295 (sparc_emit_set_const32, sparc_emit_set_const64,
9296 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
9297 mem_min_alignment, small_int_or_double): Add externs.
9298 * config/sparc/sparc.md: Document the many uses of UNSPEC and
9299 UNSPEC_VOLATILE in this backend.
9300 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
9301 unary to types which execute in it.
9302 (define_function_unit ieu_shift): Rename to ieu0.
9303 (define_function_unit ieu1): New, executes compare, call, and
9304 uncond_branch type insns.
9305 (define_function_units for type fdivs, fdivd, fsqrt): These
9306 execute in the fpu multiply unit not the adder on UltraSparc.
9307 (define_expand cmpdi): Disallow TARGET_V8PLUS.
9308 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
9309 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
9310 allows the arith_double_operand predicate and rHI constraint when
9312 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
9313 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
9314 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
9315 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
9316 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
9317 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
9318 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
9319 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
9320 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
9321 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
9322 sign_extendqihi2_insn, sign_extendqisi2_insn,
9323 sign_extendqidi2_insn, sign_extendhidi2_insn,
9324 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
9325 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
9326 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
9327 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
9328 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
9329 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
9330 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
9331 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
9332 smulsi3_highpart_v8plus, unnamed subreg mult,
9333 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
9334 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
9335 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
9336 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
9337 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
9338 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
9339 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
9340 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
9341 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
9342 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9343 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
9344 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
9345 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
9346 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
9347 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
9348 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
9349 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
9350 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
9351 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
9352 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
9353 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
9354 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
9355 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
9356 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
9357 call_address_untyped_struct_value_sp32,
9358 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
9359 call_value_symbolic_sp32, call_value_address_sp64,
9360 call_value_symbolic_sp64, branch_sp32, branch_sp64,
9361 flush_register_windows, goto_handler_and_restore,
9362 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
9363 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
9364 return_addsi, return_di, return_adddi, return_sf, all call+jump
9365 peepholes, trap, unnamed trap insns): Prettify output strings.
9366 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
9367 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
9368 Likewise and force + implement splits for integer cases.
9369 (define_insn return_sf_no_fpu): Likewise and allow to match when
9370 no-fpu because of our subreg SFmode splits.
9371 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
9372 zero_extendqidi2_insn, zero_extendhidi2_insn,
9373 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
9374 input_operand for second operand.
9375 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
9376 reg_or_0_operand for operand 2 so new splits can use it.
9377 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
9378 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
9380 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
9381 CONST_DOUBLEs for operand 2.
9382 (define_insn move_label_di): Likewise and label distance
9383 optimization because it no longer works with new deferred case
9384 vector scheme. To be revisited.
9385 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
9386 and allow reg_or_0_operand and J constraint for second operand.
9387 (define_insn jump): Set branch predict taken on V9.
9388 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
9389 new deferred case vector scheme.
9390 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
9391 (define_insn negdi2_sp32): Force + implement splits.
9392 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
9393 one_cmplsi2_not_liveg0 respectively, and create expander of original
9394 names which emit special rtl for TARGET_LIVE_G0.
9395 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
9396 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
9397 gen_compare_reg, FAIL instead.
9398 (define_insn sgtu, sleu): Likewise and check gen_s*() return
9399 values when trying to reverse condition codes, if they FAIL then
9401 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
9402 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
9403 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
9404 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
9405 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
9406 set output string to # to indicate they are mandatory splits.
9407 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
9408 pic_sethi_di, move_pic_label_si): Remove.
9409 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
9410 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
9412 (define_expand movsi_pic_label_ref, define_insn
9413 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
9414 expander and insns to handle PIC label references and deferred
9416 (define_insn get_pc_via_rdpc): Comment out as it is no longer
9418 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
9419 Rewrite to not use emit_move_sequence, make use of new constant
9420 formation code, and new splits for all multi-insn cases.
9421 (define_insn movqi_insn): Remove sethi case, it can never happen.
9422 Use reg_or_zero_operand instead of const0_rtx explicit test,
9423 use input_operand instead of move_operand for source, and use
9424 general_operand now for dest.
9425 (define_insn movhi_insn): Similar but leave sethi case.
9426 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
9427 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
9428 movhi_lo_sum respectively, prettify output string.
9429 (define_insn movsi_zero_liveg0): New pattern to put zero into a
9430 register when needed on TARGET_LIVE_G0.
9431 (define_insn movsi_insn): Use general_operand and input_operand
9432 for dest and src respectively. Simplify applicability test.
9433 Prettify output strings, and add clr alternative for J
9435 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
9436 deprecated std and reg-reg DI moves): Remove and...
9437 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
9438 implementation which uses forced splits for all non-single insn
9440 (define_split DI move cases on !arch64): New splits to handle all
9441 situations of 64-bit double register DImode on 32bit, and
9442 unaligned registers and memory addresses for all subtargets.
9443 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9445 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9446 input_operand for dest and src respectively, prettify output
9448 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9449 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9451 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9452 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9453 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9454 movtf_no_e_insn_sp64) Replace with new
9455 implementation which uses forced splits for all non-single insn
9457 (define_split DF move cases): New splits in similar vein to DI
9459 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9460 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9461 movdi_sp64_insn): Remove old v9 code model and constant loading
9463 (define_insn pic_lo_sum_di, pic_sethi_di,
9464 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9465 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9466 embmedany_sethi, embmedany_losum, embmedany_brsum,
9467 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9468 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9469 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9470 scheme, using unspecs, secondary reloads, and one to one sparc
9471 insn to rtl insn mapping for better scheduling and code gen.
9472 (define_expand reload_indi, reload_outdi): Reload helpers for
9473 MEDANY and EMBMEDANY symbol address loading cases which require a
9475 (define_expand movsicc): Remove v8plus_regcmp cases.
9476 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9477 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9478 cmp_diqi_trunc_set): New patterns used by some of the new scc
9480 (define_insn xordi3_sp64_dbl): New pattern used for constant
9481 formation when crossing from 32-bit targets.
9482 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9484 (define_insn addx, subx): Make visible and prettify.
9485 (define_insn adddi3_insn_sp32): Likewise and force split.
9486 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9487 64bit scc split usage.
9488 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9489 zero_extend, subdi3): Force and implement splits.
9491 * final.c (final_scan_insn): Don't output labels if target
9492 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9495 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9496 don't forget to walk inside SEQUENCESs too as these are what the
9497 delay slot scheduler will create.
9499 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9501 * alpha.md (extxl+1,+2): New patterns to work around
9504 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9506 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9507 caused bad assembly code to be generated.
9509 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9511 * netbsd.h: Fix typo.
9513 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9515 * config.sub: Fix typo.
9517 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9519 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9521 (Running Protoize): Typo: Change "ther" into "other".
9523 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9525 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9526 * m68k/netbsd.h: Likewise.
9527 * ns32k/netbsd.h: Likewise.
9528 * sparc/netbsd.h: Likewise.
9530 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9532 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9533 * ginclude/va-clipper.h (va_list): Likewise.
9535 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9537 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9538 load/store multiple instructions unless user overrides.
9540 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9542 * ns32k/netbsd.h: Fix typo.
9544 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9546 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9547 labels with .debugsym if no parallel insns.
9549 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9551 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9552 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9554 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9556 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9557 (AR_FOR_TARGET): Define.
9559 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9561 * dyn-string.h: New file.
9562 * dyn-string.c: Likewise.
9563 * Makefile.in (OBJS): Add dyn-string.o.
9564 (dwarf2out.o): Add dyn-string.h dependency.
9565 (dyn-string.o): List dependencies.
9566 * dwarf2out.c: Include dyn-string.h.
9567 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9568 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9569 prototype. Use dyn_string_append rather than strcat, throughout.
9570 (addr_to_string): Use dyn_string_t.
9572 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9574 Function entry/exit profiling instrumentation:
9575 * expr.h (profile_function_entry_libfunc,
9576 profile_function_exit_libfunc): Declare new variables.
9577 * optabs.c: Define them here.
9578 (init_optabs): Initialize them.
9579 * tree.h (struct tree_decl): New flag
9580 no_instrument_function_entry_exit.
9581 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9582 * c-decl.c (duplicate_decls): Merge it.
9583 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9584 (init_attributes): Use it for "no_instrument_function".
9585 (decl_attributes): Handle it, for functions that have not yet been
9586 compiled. Set decl flag.
9587 * flags.h (flag_instrument_function_entry_exit): Declare new
9589 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9590 (f_options): New option "instrument-functions".
9591 * function.h (struct function): New field instrument_entry_exit.
9592 * function.c (current_function_instrument_entry_exit): New
9594 (push_function_context_to, pop_function_context_from): Save and
9596 (expand_function_start): Set current_ variable, maybe emit return
9597 label and entry profile call.
9598 (expand_function_end): Maybe emit exit profile call.
9600 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9602 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9603 NON_QI_REG_P, pretend the register is SImode.
9605 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9607 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9608 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9609 manufacturer id for ns32k.
9610 * configure: Regenerated.
9611 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9612 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9613 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9614 * config/m68k/netbsd.h: Same.
9615 * config/ns32k/netbsd.h: Same.
9616 * config/sparc/netbsd.h: Same.
9618 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9620 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9621 or UNROLL_COMPLETELY loop that starts with a jump to its
9624 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9626 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9627 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9628 (print_operand, case 'B'): Don't fall through.
9629 (print_operand, case 'S'): Correct mask begin/end computation.
9630 Use HOST_BITS_PER_WIDE_INT.
9631 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9632 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9633 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9634 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9636 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9638 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9639 constraint from second alternative.
9641 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9643 * configure.in: Fix --without/--disable cases for local-prefix,
9644 gxx-include-dir and checking.
9646 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9648 * configure.in (enable_haifa): Set by default for sparc64 too.
9651 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9653 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9654 * i386/winnt.c (associated_type): New fn.
9655 (i386_pe_valid_type_attribute_p): New fn.
9656 (i386_pe_check_vtable_importexport): Remove.
9657 (i386_pe_dllexport_p): Use associated_type.
9658 (i386_pe_dllimport_p): Likewise.
9660 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9661 * i386.c (i386_valid_type_attribute_p): Also accept
9662 attributes for METHOD_TYPEs.
9664 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9666 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9668 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9670 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9672 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9673 them from generating a new base name for each occurence of
9676 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9678 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9680 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9684 * cplus-dem.c (type_kind_t): New type.
9685 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9686 on this paramter, rather than demangling the type again.
9687 (demangle_integral_value): Pass tk_integral.
9688 (demangle_template_: Pass the value returned from do_type.
9689 (do_type): Return a type_kind_t. Pass tk_integral to
9690 demangle_template_value_parm for array bounds.
9691 (demangle_fund_type): Likewise.
9693 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9695 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9698 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9700 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9702 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9704 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9706 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9709 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9711 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9712 (DEBUGGER_ARG_OFFSET): Likewise.
9714 * mn10300.md (movsf): Remove last change. Not needed.
9716 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9718 * c-lex.c (yylex): Fix boundary conditions in character literal and
9719 string literal loops.
9721 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9723 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9724 being invoked incorrectly.
9726 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9727 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9729 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9730 * configure.in: Added i[34567]86-*-win32
9731 * config.sub: Ditto.
9732 * configure: Rebuilt.
9734 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9736 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9737 the frame pointer and compiling PIC code and reload has not completed.
9739 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9742 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9744 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9746 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9748 * Makefile.in (install-info): Only try to update the info
9749 directory file if it exists in the first place.
9751 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9753 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9755 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9757 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9758 CONST_DOUBLE source.
9760 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9762 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9763 strings as the insertion of USER_LABEL_PREFIX.
9764 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9766 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9769 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9771 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9772 already defined type.
9774 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9776 * expr.c (check_max_integer_computation_mode): Allow conversions
9777 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9778 (expand_expr): Likewise.
9780 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9782 * expr.c (expand_expr): Expand RETURN_EXPR.
9784 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9786 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9788 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9790 * dwarf2out.c (output_aranges): Call stripattributes
9791 for TEXT_SECTION references.
9792 (output_line_info): Likewise.
9794 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9796 * profile.c (branch_prob): Call allocate_reg_info after outputting
9797 profile rtl in instrument_arcs.
9799 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9801 * fixinc.irix (math.h): Install wrapper instead of copying.
9803 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9805 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9806 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9807 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9808 lang_flag_0. Added documentation in the flag table.
9810 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9812 * cccp.c (do_include): Fix vax c style include handling.
9814 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9816 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9818 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9820 * fold-const.c (non_lvalue): Don't deal with null pointer
9822 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9824 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9826 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9827 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9828 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9829 (u_short_cint_operand): Same.
9830 (reg_or_cint_operand): Same.
9831 (logical_operand): Same.
9832 (input_operand): Same.
9833 (reg_or_short_operand): Use u_short_cint_operand.
9835 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9837 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9838 but keep the insns and splits. Adjust so when the ultimate destination
9839 is memory, use cvtql.
9841 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9843 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9845 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9847 * gcc.c (do_spec): Call "error" not "warning".
9849 * configure.in: Fix minor problems with gas feature detection code.
9850 * configure: Rebuilt.
9852 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9855 * gcc.c: Delete %[spec] support.
9856 (do_spec_1, case '('): Likewise.
9857 (do_spec_1, case '['): Call error.
9859 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9861 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9862 (CPP_SUBTARGET_SPEC): Default to empty string.
9863 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9864 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9865 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9866 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9868 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9869 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9870 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9871 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9872 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9873 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9874 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9875 * alpha/vxworks.h: Likewise.
9877 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9879 * mips.md (reload_outsi): Added missing REGNO call.
9880 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9882 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9883 another match_operator and compare the codes.
9885 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9887 * MIPS multiply pattern fixes:
9888 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9889 Add union classes for HI, LO, or HILO plus general registers.
9890 (GENERATE_MADD): Deleted.
9891 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9892 Add TARGET_MAD to condition.
9893 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9894 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9895 "*d" for accumulator, to give preference to LO initially but not
9898 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9900 * configure.in (enable_c_mbchar): New configure option.
9901 (extra_cpp_objs): Always available now.
9903 * cexp.y (mbchar.h): #include it.
9904 (yylex): Handle Multibyte characters in character literals.
9906 * cccp.c (mbchar.h): #include it.
9907 (main): Set character set based on LANG environment variable.
9908 (rescan): Handle multibyte characters in comments.
9909 (skip_if_group): See above.
9910 (validate_else): See above.
9911 (skip_to_end_of_comment): See above.
9912 (macarg1): See above.
9913 (discard_comments): See above.
9914 (rescan): Handle multibyte characters in string and character literals.
9915 (collect_expansion): See above.
9916 (skip_quoted_string): See above.
9917 (macroexpand): See above.
9918 (macarg1): See above.
9919 (discard_comments): See above.
9920 (change_newlines): See above.
9922 * c-lex.c (mbchar.h): #include it.
9923 (GET_ENVIRONMENT): New macro.
9924 (init_lex): Set character set based on LANG environment variable.
9925 (yylex): Handle multibyte characters in character literals.
9926 (yylex): Handle multibyte characters in string literals.
9928 * Makefile.in (mbchar.o): New target.
9929 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9930 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9932 * mbchar.[ch]: New files for multibyte character handling.
9934 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9936 * jump.c (jump_optimize): When simplifying noop moves and
9937 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9938 the PUSHes to rewrite in second loop as we did in the first.
9940 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9942 * cplus-dem.c (demangle_nested_args): Make function definition
9943 static to match the prototype.
9945 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9947 * alloca.c: Respect USE_C_ALLOCA.
9948 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9949 * gengenrtl.c (xmalloc): Likewise.
9951 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9953 * loop.h (struct induction): Add no_const_addval.
9954 * loop.c (the_movables, reg_address_cost): New variables.
9955 (init_loop): Init reg_address_cost.
9956 (loop_optimize): Call end_alias_analysis.
9957 (scan_loop): Init the_movables.
9958 (record_giv): Init induction->no_const_addval.
9959 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9960 [REG]: Rearrange loop search test to catch more cases.
9961 (general_induction_var): Return success not benefit; take an extra
9962 argument for that. Change all callers.
9963 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9964 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9965 [default]: Search the_movables for additional combinations.
9966 (sge_plus_constant, sge_plus): New functions.
9967 (express_from_1): New function.
9968 (express_from): Always define. Rewrite using express_from_1.
9969 (combine_givs_p): Handle more cases. Ignore address cost.
9970 (cmp_combine_givs_stats): New function.
9971 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9972 (combine_givs): Rewrite to do best-fit combination.
9974 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9975 (fold): Do a complete (A*C)+(B*C) association check.
9977 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9979 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9981 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9983 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9985 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9987 * tree.c (valid_machine_attribute): Only create a new type variant if
9988 there is a decl to use it.
9990 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9992 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9995 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9997 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10000 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10002 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10003 Simplify tests for clearing an address register.
10004 (expand_prologue): Corresponding changes.
10006 * mn10300.md (movXX patterns): Make sure the destination is an
10007 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10008 (logical patterns): Split into expanders + patterns
10009 (zero and sign extension patterns): Similarly.
10010 (shift patterns): Similarly.
10012 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10014 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10015 for the sequence, recording base values.
10017 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10019 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10021 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10023 * gcc.c: Remove ANSI-C ism from --help code.
10025 * toplev.c: Support --help with USE_CPPLIB.
10027 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
10029 * configure.in: Rework gas feature code to work with symlink based
10032 * extend.texi: Clarify some issues related to local variables
10033 assigned to explicit registers.
10035 * mn10300.md (mulsi): Turn into expander + pattern.
10037 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
10040 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
10042 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
10044 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
10046 * version.c: Bump again to distinguish mainline tree from the
10049 See ChangeLog.0 for earlier changes.
10052 add-log-time-format: current-time-string