1 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3 * config/i960/i960.c (i960_output_move_double_zero,
4 i960_output_move_quad_zero): New functions for moving zeros.
5 (i960_output_move_double, i960_output_move_quad): Additional code
6 for situation when moving unaligned register group.
8 * config/i960/i960.h (i960_output_move_double_zero,
9 i960_output_move_quad_zero): The function definitions.
11 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
13 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
15 * config/i960/i960.c (i960_function_prologue): New code (optimal
16 solution) for saving global registers in local registers.
17 (form_reg_groups, reg_group_compare, split_reg_group): New
18 functions used by the code.
19 (reg_group): New structure definition for the new code.
21 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
23 * integrate.c (expand_inline_function): Recognize (mem (addressof))
24 and substitute. Copy the return value from there into a new pseudo.
26 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
28 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
29 before generating a call to abort for volatile functions.
30 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
31 (TARGET_ABORT_NORETURN): Define.
32 (abort-on-noreturn): New option.
34 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
36 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
37 and binarycc operations in 3rd annulled delay slot!
39 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
41 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
42 ensure all prototypes necessary for building libio will be available.
43 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
44 definitions here as they are not host specific.
45 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
47 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
49 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
51 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
53 * version.c: Bump for snapshot.
55 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
57 * rtl.c (rtx_alloc): Use memset instead of inline loop.
59 * recog.h (recog_op_alt): Declare extern.
61 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
63 * function.c (purge_addressof_1): If the note accesses a mem+addressof
64 in a wider mode than any replacement, adjust the cached replacement.
65 Cache trivial substitutions as well.
67 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
69 * Makefile.in (OBJECTS): Add sbitmap.o.
70 (BASIC_BLOCK_H): Add sbitmap.h.
71 * basic-block.h: Move simple bitmap code to sbitmap.h.
72 * flow.c: Move simple bitmap code to sbitmap.c
73 * sbitmap.h, sbitmap.c: New files.
75 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
77 * alpha.h (TARGET_SWITCHES): Document switches.
78 (TARGET_OPTIONS): Likewise.
80 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
82 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
84 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
86 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
88 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
89 (basic_block_end): Rename to x_basic_block_end.
90 (BLOCK_HEAD, BLOCK_END): Update.
92 * caller-save.c: Change basic_block_head/end references to
94 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
95 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
96 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
98 Thu Jan 11 18:37:50 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
100 * invoke.texi (-mcpu=740, -mcpu=750): New options.
101 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
104 1999-01-11 Michael Meissner <meissner@cygnus.com>
106 * config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all
107 machines supported with -mcpu=xxx.
108 (processor_type): Add PROCESSOR_PPC750.
109 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
110 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
111 (rs6000_adjust_priority): Add declaration.
113 * config/rs6000/rs6000.c (rs6000_override_options):
114 -mcpu={750,740} now sets the processor type as 750, not 603.
115 Allow -mmultiple and -mstring on little endian 750 systems.
116 (rs6000_adjust_priority): Stub for now.
117 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
119 * config/rs6000/rs6000.md (function/cpu attributes): Add initial
122 * config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict
123 alignment if little endian.
124 (CC1_SPEC): Pass -mstrict-align if little endian, and not
126 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
127 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
129 * config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC):
130 Override, default is little endian.
132 * config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris
135 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * gcc.c (xstrerror): Renamed from my_strerror. All callers
138 changed. Remove prototype since we get that from libiberty.h.
140 * protoize.c (xstrerror): Likewise.
142 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
144 * gcc.c (read_specs): Ensure format specifiers match their arguments.
146 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
148 * tree.c (copy_node): Oops. That would be copy not zero
151 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
153 * config/c4x/c4x.c: Include system.h.
154 (c4x_caller_save_map): Disable caller save for RC.
155 (c4x_optimization_options): Disable scheduling before reload.
156 (valid_parallel_load_store) : Define return type as int.
157 Remove unused variable regs.
158 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
160 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
162 (*db, decrement_and_branch_until_zero): Fix up constraints
163 to keep reload happy.
165 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
167 * tree.c (make_node): Call bzero instead of inline clear.
168 (copy_node, make_tree_vec, build1): Likewise.
169 (get_identifier): Call strlen instead of inline count.
170 (maybe_get_identifier): Likewise.
172 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
174 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
175 operations in 3rd annulled delay slot.
176 (*lshrqi3_const_set): Disallow c constraint for operand0.
177 (modhi3+1, modhi3+2): Set attribute type to multi.
178 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
181 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * gansidecl.h: Allow attribute unused on labels only when we are
184 version 2.93 or higher. Not all versions of 2.92 have this feature.
186 * version.c: Bump minor number to 93.
188 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
190 * config/m68k/m68k.h: Declare output_function_epilogue.
191 * recog.h: Declare next_insn_tests_no_inequality.
193 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
195 * stmt.c (optimize_tail_recursion): New function, extracted from ...
196 (expand_return): Use optimize_tail_recursion.
197 * tree.h (optimize_tail_recursion): Declare.
199 * toplev.c (compile_file): Move call to output_func_start_profiler
200 to after the loop to emit deferred functions.
202 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
204 * system.h (abort): Supply more detailed information on how to
205 report an Internal Compiler Error.
207 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
209 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
210 allocate memory that will live beyond this function.
211 (expand_call): Free it here.
213 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
215 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
216 integer data not destined for fp regs.
217 (LEGITIMIZE_RELOAD_ADDRESS): New.
219 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
220 Richard Henderson <rth@cygnus.com>
222 Support for Hypersparc and Sparclite86x:
223 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
224 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
225 (ASM_CPU32_DEFAULT_SPEC): Likewise.
226 (TARGET_CPU_DEFAULT): Likewise.
227 (enum processor_type): Likewise.
228 (CPP_ENDIAN_SPEC): Handle little endian data.
229 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
230 (ADJUST_COST): Call sparc_adjust_cost.
231 * sparc.c (sparc_override_options): Fix up for the new targets.
232 (supersparc_adjust_cost): Make static.
233 (hypersparc_adjust_cost): New.
234 (ultrasparc_adjust_cost): Make static.
235 (sparc_adjust_cost): New.
236 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
237 (function_unit): Add hypersparc scheduling rules.
239 * configure.in (with_cpu handler): Recognize hypersparc.
241 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
243 * config/c4x/c4x.c: Added space after negation operator.
244 * config/c4x/c4x.h: Likewise.
245 * config/c4x/c4x.md: Likewise.
247 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
249 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
251 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
253 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
254 when a test can't be performed due to limited width of
255 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
256 Fix UDIV case for cases where the first operand has the highest bit
259 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
261 * pa.h (reg_class): Add FPUPPER_REGS.
262 (REG_CLASS_NAMES): Similarly.
263 (REG_CLASS_CONTENTS): Similarly
264 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
265 (FP_REG_CLASS_P): Likewise.
266 (REG_CLASS_FROM_LETTER): Similarly.
267 (CLASS_MAX_NREGS): Similarly.
269 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
271 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
272 for a typedef of bool. Make sure to have a copy of the file is
273 in place before we look to fix it. Fix typo in variable name to
276 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
278 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
279 value_mode for the return mode.
281 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
283 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
284 debugging as default.
286 * config/tm-dwarf2.h: New file.
288 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
290 * h8300.h (ASM_OUTPUT_LABELREF): Define.
292 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
293 * local-alloc.c (update_equiv_regs): Corresponding changes.
294 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
296 * calls.c (special_function_p): Push alloca test inside the large
297 conditional which excludes functions not at file scope or not
300 * calls.c (special_function_p): New function broken out of
302 (precompute_register_parameters): Likewise.
303 (store_one_arg): Likewise.
304 (store_unaligned_argumetns_into_pseudos): Likewise.
305 (save_fixed_argument_area): Likewise.
306 (restore_fixed_argument_area): Likewise.
307 (expand_call): Corresponding changes.
309 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
311 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
313 (const_sint32_operand): Likewise.
315 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
318 is a macro when deciding if we can use `jmp_buf' in prototypes.
320 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
322 * config/c4x/c4x.md (addqi3): If the destination operand is
323 a hard register other than an extended precision register,
324 emit addqi3_noclobber.
325 (*addqi3_noclobber_reload): New pattern added so that reload
326 will recognise a store of a pseudo, equivalent to the sum
327 of the frame pointer and a constant, as an add insn.
329 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
331 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
332 * configure: Rebuilt.
333 * i386/xm-go32.h: Define LIBSTDCXX.
335 * i386/go32.h (MD_EXEC_PREFIX): Define.
336 (FILE_NAME_ABSOLUTE_P): Define.
337 (LINK_COMMAND_SPEC): Define.
339 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
341 * expr.c (store_expr): If the lhs is a memory location pointed
342 to be a postincremented (or postdecremented) pointer, always
343 force the rhs to be evaluated into a pseudo.
345 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
347 * real.c (mtherr): Print more reasonable warning messages.
349 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
351 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
353 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
354 (new_include_prefix): Constify char* parameters.
356 * cppfiles.c (read_name_map): Likewise.
357 (append_include_chain): Likewise. Also, use a writable char* copy
358 of parameter `dir' which we then modify, rather than using the
359 parameter itself to store the new writable string.
360 (remap_filename): Constify some variables. Also, use a writable
361 char* to store an allocated string which we will be modifying.
363 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
364 (cpp_start_read): Constify variable `str'.
366 * cpplib.h (append_include_chain): Constify a char* parameter.
368 * gcc.c Include prefix.h, don't prototype prefix.c functions.
369 (add_prefix, save_string): Constify char* parameters.
370 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
372 * prefix.c: Include prefix.h.
373 (get_key_value, translate_name, save_string, update_path,
374 set_std_prefix): Constify various char* parameters and variables.
375 (save_string): Use xmalloc, not malloc.
376 (translate_name): Use a writable temporary variable to create and
377 modify a string before setting it to a const char*.
379 * prefix.h: New file to prototype functions exported from prefix.c.
381 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
383 * cpplib.c (skip_if_group): Split out the logic that handles
384 directive recognition to its own function. Don't use
385 parse markers; use a bare pointer into the buffer. Use
386 copy/skip_rest_of_line instead of doing it by hand. Remove
387 `return on any directive' mode which was never used, and take
389 (consider_directive_while_skipping): New function, subroutine
390 of skip_if_group. Logic streamlined a bit.
391 (conditional_skip, do_elif, do_else): Call skip_if_group with
394 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
396 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
399 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
401 * extend.texi (Bound member functions): Document.
403 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
405 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
406 lang_to_string, type_to_string): Make return type const char*.
407 (print_symbol): Apply `const' keyword to a char*.
408 (print_file_desc): Cast structure member `crfd' to ulong when
409 comparing against one.
411 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
412 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
413 (progname, input_name): Apply `const' keyword to a char*.
414 Don't redundantly include sys/stat.h.
415 (alloc_info): Apply `const' keyword to a char*.
416 (st_to_string, sc_to_string): Likewise.
417 (hash_string): Cast variable `hash_string' to a symint_t when
418 comparing against one.
419 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
420 Likewise cast it to long when comparing against one.
421 (add_local_symbol): Apply `const' keyword to a char*.
422 (add_ext_symbol): Likewise.
423 (add_unknown_tag): Likewise.
424 (add_procedure): Cast a printf-style field width to an int.
425 (add_file): Cast PAGE_USIZE to long when comparing against one
426 (parse_begin): Cast a printf-style field width to an int.
427 (parse_bend): Likewise.
428 (parse_def): Likewise.
429 (parse_end): Likewise.
430 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
431 (parse_stabs_common): Fix format specifier.
432 (parse_input): Change type of variable `i' to Size_t.
433 (write_object): Fix arguments to match format specifiers.
434 Cast variable `num_write' to long when comparing against one.
435 (read_seek): Cast variable `sys_read' to symint_t when comparing
436 against one. Fix arguments to match format specifiers. Cast
437 variable `size' to long when comparing against one.
438 (copy_object): Cast result of `sizeof' to int when comparing
439 against one. Fix arguments to match format specifiers. Cast
440 variable `ifd' to long when comparing against a signed value.
443 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
445 * c-common.c (decl_attributes): Allow applying attribute `unused'
448 * c-parse.in (label): Parse attributes after a label, and call
449 `decl_attributes' to handle them.
451 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
453 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
454 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
456 * invoke.texi: Note that labels can be marked `unused'.
458 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
460 * version.c: Bump for snapshot.
462 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
464 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
465 RTL for a compare/jump sequence.
467 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
469 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
470 for a target with HAVE_cc0 defined.
471 (emit_cmp_and_jump_insns): New function.
472 * expr.h (emit_cmp_and_jump_insns): Prototype it.
473 * loop.c (check_dbra_loop): Use it to replace calls
474 to emit_cmp_insn and emit_jump_insn and to canonicalise
475 the comparison if necessary.
476 * unroll.c (unroll_loop): Likewise.
478 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
480 * fixincludes (sys/utsname.h): Provide forward declaration of
481 struct utsname on Ultrix V4.[35].
483 * mips.md (div_trap): Use local labels instead of dot-relative
486 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
488 * pa.md (branch, negated branch): Handle (const_int 0) as first
490 * pa.c (output_cbranch): Likewise.
492 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
494 * rs6000.c (rs6000_stack_info): Undo spurious part of last
497 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
499 * extend.texi (__builtin_constant_p): Add missing @smallexample.
501 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
503 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
505 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
507 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
508 (adddi_dishl32): Similarly.
510 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
511 for each insn in the skipped block.
513 * reload1.c (reload_as_needed): Verify that the insn satisfies its
514 constraints after replacing a register address with an autoincrement
515 address for reload inheritance purposes.
517 * i386.md (doubleword shifts): Avoid namespace pollution.
519 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
521 * configure.in (FreeBSD ELF): Needs special crt files.
523 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
525 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
527 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
529 * loop.c (check_dbra_loop): While reversing the loop, if the
530 comparison value has a VOID mode use the mode of the other operand
533 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
535 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
536 avoid warnings in compiling explow.c.
538 (patch from Ken Raeburn, raeburn@cygnus.com)
539 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
540 fpmem_offset. Compute total size after that, and then
541 rs6000_fpmem_offset using both values.
543 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
545 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
546 the future; indeed that already happens in some cases.
548 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
550 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
551 (arith_operand): Remove constant_p_rtx handling.
552 (const64_operand, const64_high_operand): Likewise.
553 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
554 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
555 (small_int_or_double, uns_small_int, zero_operand): Likewise.
556 * sparc.h (PREDICATE_CODES): Likewise.
558 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
560 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
562 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
563 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
564 consider constant CONSTRUCTOR constant and to defer some cases
566 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
567 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
569 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
571 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
572 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
574 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
575 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
576 (sext_add_operand, and_operand, or_operand): Likewise.
577 (reg_or_cint_operand, some_operand, input_operand): Likewise.
578 * alpha.h (PREDICATE_CODES): Likewise.
580 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
582 * version.c: Bump for snapshot.
584 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
586 * gengenrtl.c (gencode): Always use bzero to clear memory instead
587 of dangerous casts and stores.
589 * Makefile.in (compare, gnucompare): Add missing else true clauses.
591 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
593 * alpha.md (builtin_longjmp): Add missing "DONE".
595 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
597 * gcc.c (execute): Enable -pipe with win32.
599 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
601 * config/arm/t-arm-elf: Add multiplib option for leading
604 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
605 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
607 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
608 than variable 'reload_address_base_reg_class'. [Note this
609 change is unrelated to the others in this patch].
611 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
614 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * alias.c (record_alias_subset): Remove ignored `&'.
617 (init_alias_once): Likewise.
619 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
621 * config/mips/mips.c (mips_asm_file_end): Cast the result of
622 fwrite to `int' when comparing against one.
624 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
625 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
627 * cse.c (rehash_using_reg): Change type of variable `i' to
630 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
633 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
635 * final.c (final_scan_insn): Likewise for variable `i'.
636 (output_asm_insn): Cast a char to unsigned char when used as an
639 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
642 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
644 * recog.c (preprocess_constraints): Cast a char to unsigned char
645 when used as an array index.
647 * regmove.c (find_matches): Likewise.
649 * reload1.c (calculate_needs): Add default case in switch.
650 (eliminate_regs_in_insn): Initialize variable `offset'.
651 (set_offsets_for_label): Change type of variable `i' to unsigned.
652 (reload_as_needed): Wrap variable `i' in macro check on
653 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
655 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
656 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
657 when comparing against one.
659 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
660 unsigned when comparing against one. Likewise for
661 GET_MODE_ALIGNMENT().
662 (layout_record): Cast record_align to int when comparing against a
664 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
667 * tree.c (get_identifier): Cast variable `len' to unsigned when
668 comparing against one.
669 (maybe_get_identifier): Likewise
671 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
673 * toplev.c (rest_of_compilation): Do not set reload_completed.
674 * reload1.c (reload): Set reload_completed before calling
675 cleanup_subreg_operands.
677 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
679 * reload1.c (emit_reload_insns): Check `set' not null before use.
681 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
683 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
686 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
688 * halfpic.c (half_pic_encode): Delete redundant code.
690 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
692 * toplev.c (main): Delete handling of -dM as a preprocessor
695 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
697 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
698 -dI, which are handled by the preprocessor.
700 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
702 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
703 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
705 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
707 * version.c: Bump for snapshot.
709 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
711 * version.c: Bump for snapshot.
713 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
715 * version.c: Bump for snapshot.
717 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
719 * genattr.c (fatal): Qualify a char* with the `const' keyword.
721 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
722 write_unit_name, write_eligible_delay, expand_units,
723 make_length_attrs, write_attr_case, find_attr,
724 make_internal_attr): Likewise.
725 * gencheck.c (tree_codes): Likewise.
726 * gencodes.c (fatal): Likewise.
727 * genconfig.c (fatal): Likewise.
728 * genemit.c (fatal): Likewise.
729 * genextract.c (fatal, walk_rtx, copystr): Likewise.
730 * genflags.c (fatal): Likewise.
731 * genopinit.c (fatal, optabs, gen_insn): Likewise.
732 * genoutput.c (fatal, error, predicates): Likewise.
733 * genpeep.c (fatal): Likewise.
734 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
735 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
737 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
739 * configure.in (with-fast-fixincludes): Fix whitespace.
740 * configure: Rebuilt.
742 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
743 asm() etc. function declarations in __DECC.
745 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
747 * expr.c (emit_move_insn_1): Only emit a clobber if the target
748 is a pseudo register.
750 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
752 * gcse.c: Include expr.h in order to get the prototype for
753 get_condition() which is used in delete_null_pointer_checks().
755 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
757 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
759 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
761 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
762 (ALL_CFLAGS): Delete SCHED_CFLAGS.
764 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
766 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
769 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
771 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
772 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
773 optimizations from the combiner.
775 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
777 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
779 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
781 * toplev.c (main): Disable optimize_size if a specific
782 optimization level is requested. Always set optimization
783 level to 2 if -Os is specified.
785 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
787 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
789 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
790 initialize it using fname.
792 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
794 * cpplib.c (do_include): Treat #include_next in the
795 primary source file as #include plus warning. Treat
796 #include_next in a file included by absolute path as an
797 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
799 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * cccp.c: Don't define MIN/MAX anymore.
802 * cpplib.c: Likewise.
803 * machmode.h: Likewise.
804 * system.h: Provide definitions for MIN/MAX.
806 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
808 * fix-header.c: Don't define xstrdup here.
810 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
812 * loop.c (consec_sets_giv): New argument last_consec_insn.
813 (strength_reduce): Provide / use it.
815 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
817 * loop.h (loop_info): New field 'vtop'.
818 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
819 scanning loop for vtop.
820 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
821 (loop_iterations): Use them to determine if loop has a constant
822 number of iterations. Set loop_info->vtop. Don't subtract
823 common reg term from initial_value and final_value if have a
826 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
828 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
830 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
832 * mn10200.md (abssf2, negsf2): New expanders.
834 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
836 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
838 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
839 replaced by a CONCAT whoes components do not have the same
840 mode as the original SUBREG, use a new SUBREG to restore the
843 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
844 multiword complex values.
846 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
848 * cppalloc.c: Add xstrdup here.
849 * cpplib.h: Remove savestring prototype.
850 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
852 * cppfiles.c: s/savestring/xstrdup/ throughout.
854 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
856 * cpplib.c: Make all directive handlers read their own
858 (struct directive): Remove last two arguments from FUNC
859 member prototype. Remove `command_reads_line' member
861 (directive_table): Remove initializations of
862 command_reads_line flag. Pretty-print.
863 (eval_if_expression, do_define, do_line, do_include,
864 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
865 do_else, do_elif, do_sccs, do_assert, do_unassert,
866 do_warning): Take only two args.
868 (cpp_define): Call do_define with two args and the text to
869 define stuffed into a buffer.
870 (make_assertion): Call do_assert with two args.
871 (handle_directive): Call do_line with two args. Call
872 kt->func with two args. Remove command_reads_line
874 (do_define, do_undef, do_error, do_warning, do_pragma,
875 do_sccs): Read the rest of the line here.
876 (do_ident): Gobble rest of line, as cccp does.
877 (cpp_undef): New function.
878 (cpp_start_read): Call cpp_undef instead of do_undef.
880 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
882 * cpphash.h (union hash_value): Remove `keydef' member, add a
883 `struct hashnode *aschain' member for #assert.
885 * cpplib.c (struct tokenlist_list, struct
886 assertion_hashnode): Delete structure definitions.
887 (assertion_install, assertion_lookup, delete_assertion,
888 check_assertion, compare_token_lists, reverse_token_list,
889 read_token_list, free_token_list): Delete functions.
890 (parse_assertion): New function.
891 (cpp_cleanup): Don't destroy the assertion_hashtable.
893 (do_assert): Gut and rewrite. #assert foo (bar) places
894 entries for `#foo' and `#foo(bar)' in the macro hash table,
895 type T_ASSERT. The value union's `aschain' member is used
896 to chain all answers for a given predicate together.
897 (do_unassert): Also rewritten. Take an un-asserted
898 answer off the chain from its predicate and call
899 delete_macro on the hashnode, or walk a predicate chain
900 calling delete_macro on all the entries.
901 (cpp_read_check_assertion): Simply call parse_assertion to
902 get the canonical assertion name, and look that up in the
905 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
908 * cpphash.c (install): Use bcopy instead of an explicit loop
909 to copy the macro name.
911 * cppexp.c (cpp_lex): Convert the result of
912 cpp_read_check_assertion to a `struct operation' directly;
913 don't go through parse_number.
915 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
917 * loop.h (struct induction): Delete times_used member.
918 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
919 (n_times_used): Rename to n_times_set. Changed all users.
920 (scan_loop): Free reg_single_usage before strength reduction.
921 (record_giv, combine_givs): Remove handling of times_used member.
922 (combine_givs_used_once): Rename to:
923 (combine_givs_used_by_other) . Changed all callers.
925 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
927 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
928 instead of TREE_CODE_CLASS == 't'.
929 (gen_type_die): Likewise.
930 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
932 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
934 * real.c (endian): Disable last change unless
935 HOST_BITS_PER_WIDE_INT is greater than 32.
937 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
939 * output.h (force_data_section): New prototype.
940 * varasm.c (force_data_section): New function to force the
941 data section, regardless of what in_section thinks.
942 * dwarf2out.c (output_call_frame_info): Call force_data_section
943 since varasm may not realize we've changes sections.
945 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
947 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
948 after completeing reload.
950 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
951 deleted after reload.
953 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
955 * rtl.h (multiple_sets): Fix prototype.
956 * rtlanal.c (multiple_sets): Fix return type.
958 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
960 * version.c: Bump for snapshot.
962 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
964 * version.c: Bump for snapshot.
966 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
968 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
970 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
972 * rtl.h (recompute_reg_usage): Add second argument.
973 * flow.c (recompute_reg_usage): Likewise.
974 * toplev.c (rest_of_compilation): Supply second argument to
977 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
980 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
982 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
983 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
984 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
987 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
989 * rtlanal.c (multiple_sets): New function.
990 * rtl.h (multiple_sets): Declare it.
991 * local-alloc.c (wipe_dead_reg): Use it.
992 * global.c (global_conflicts): Likewise.
994 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
996 * global.c (record_conflicts): Don't use an array of shorts to
997 store an array of ints.
998 (global_conflicts): Likewise.
1000 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1002 * alpha.c (alpha_expand_block_move): mode_for_size expects
1003 bits, not bytes. Infer extra alignment from addressof.
1005 1998-12-11 Michael Meissner <meissner@cygnus.com>
1007 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1008 .sbss section, not .sdata.
1010 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1012 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1014 * collect2.c: Likewise.
1015 * cpplib.h: Likewise.
1018 * getpwd.c: Likewise.
1019 * protoize.c: Likewise.
1020 * toplev.c: Likewise.
1022 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1023 and don't try to define it here.
1024 * Makefile.in (cppmain.o): Depend on machmode.h.
1025 (cpplib.o): Likewise.
1026 (cpperror.o): Likewise.
1027 (cppexp.o): Likewise.
1028 (cppfiles.o): Likewise.
1029 (cpphash.o): Likewise.
1030 (cppalloc.o): Likewise.
1031 (fix-header.o): Likewise.
1032 (scan-decls.o): Likewise.
1034 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1036 * sh.c (print_operand): lookup interrupt_handler attribute instead
1037 of relying on static variable.
1038 * (calc_live_regs): Likewise.
1039 * (sh_pragma_insert_attributes): Create interrupt_handler
1040 attribute if a pragma was specified
1041 * (sh_valid_machine_decl_attribute): Don't set static flag.
1042 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1044 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1046 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1047 to determine if a register is live at a jump destination.
1048 Everything is dead at a BARRIER.
1050 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1052 * cse.c (simplify_unary_operation): Sign-extend constants when
1053 they have the most significant bit set for the target.
1054 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1056 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1057 HOST_WIDE_INT temporary before negating it.
1058 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1060 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1062 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1065 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1067 * collect2.h: New header file for prototypes.
1069 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1071 * collect2.c: Include collect2.h.
1072 * tlink.c: Likewise.
1074 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1076 * flow.c: Update some comments.
1078 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1080 * objc/objc-act.c (cpp_initialized): Removed.
1081 (lang_init_options): Initialize cpplib.
1082 (lang_decode_option): Move initialization of cpplib to
1084 * c-lang.c: (parse_options,parse_in): Added.
1085 (lang_init_options): Initialized cpplib here.
1086 * c-decl.c (parse_options,cpp_initialized): Removed.
1087 (c_decode_option): Move initialization of cpplib to
1090 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1092 * reload1.c (reload_combine, reload_combine_note_store):
1093 Make STORE_RUID always valid.
1094 (reload_combine): Check if BASE is clobbered too early.
1096 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1098 * reload.c (find_reloads): Display the insn that cannot be
1101 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1103 * cccp.c (create_definition): Fix end of bufer logic.
1105 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1108 pointer parameters changed to use the PARAMS() macro.
1110 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1112 * except.h (struct handler_info): Add handler_number field.
1113 * except.c (gen_exception_label): EH labels no longer need to be
1114 on the permanent obstack.
1115 (get_new_handler): Set the label number field.
1116 (output_exception_table_entry): Regenerate handler label reference
1117 from the label number field.
1118 (init_eh): Remove a blank line.
1119 * integrate.c (get_label_from_map): Labels no longer need to be
1120 on the permanent obstack.
1122 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1124 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1125 only when OUTER_CODE is SET.
1127 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1129 * loop.c (strength_reduce): If scan_start points to the loop exit
1130 test, be wary of subversive use of gotos inside expression statements.
1131 Don't set maybe_multiple for a backward jump that does not
1132 include the label under consideration into its range.
1133 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1135 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1137 * explow.c (plus_constant_wide): Don't immediately return with
1138 result of recursive call.
1140 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1142 * eh-common.h (struct eh_context): Add table_index for rethrows.
1144 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1145 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1146 processed when inlined or unrolled (ie duplicated in some way).
1148 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1150 * expr.h (rethrow_libfunc): New library decl.
1152 * optabs.c (rethrow_libfunc): Initialize.
1154 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1155 (new_eh_region_entry): No longer exported from except.c.
1156 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1157 different prototype.
1158 (rethrow_symbol_map, rethrow_used): New exported functions.
1159 (eh_region_from_symbol): New exported function.
1161 * except.c (create_rethrow_ref): New function to create a single
1162 SYMBOL_REF for a rethrow region.
1163 (push_eh_entry): Initialize a rethrow ref.
1164 (func_eh_entry): Add a rethrow_label field.
1165 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1166 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1167 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1168 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1169 a region into an appropriate new symbol.
1170 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1171 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1172 (end_catch_handler): Emit a barrier for new-exceptions since
1173 control can never drop through the end of a catch block.
1174 (expand_end_all_catch): new-exceptions never fall through a catch
1176 (expand_rethrow): use __rethrow routine for new exceptions.
1177 (output_exception_table_entry): Generate rethrow labels, if needed.
1178 (output_exception_table): Generate start and end rethrow labels.
1179 (init_eh): Create rethrow symbols for beginning and end of table.
1180 (scan_region): Don't eliminate EH regions which are the targets of
1183 * flow.c (make_edges): Add different edges for rethrow calls,
1184 identified by having the REG_EH_RETHROW reg label.
1185 (delete_unreachable_blocks): Don't delete regions markers which are
1186 the target of a rethrow.
1188 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1189 allow save_for_inline_copying to call duplicate_eh_handlers.
1190 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1191 exposing internal details of exception regions.
1192 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1193 (expand_inline_function_eh_labelmap): New callback routine to
1194 allow expand_inline_function to call duplicate_eh_handlers.
1195 (expand_inline_function): Call duplicate_eh_handlers instead of
1196 exposing internal details of exception regions.
1197 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1200 * libgcc2.c (find_exception_handler): Generalize to enable it to
1201 pick up processing where it left off last time for a rethrow.
1202 (__unwinding_cleanup): New function. debug hook which is called before
1203 unwinding when __throw finds there is nothing but cleanups left.
1204 (throw_helper): Common parts of __throw extracted out for reuse.
1205 (__throw): Common parts moved to throw_helper.
1206 (__rethrow): New function for performing rethrows.
1208 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1210 * reload1.c (current_function_decl): Tweak declaration.
1212 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1214 * c-decl.c (flag_isoc9x): Default off.
1215 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1216 * cccp.c (print_help, main): Likewise.
1217 * gcc.c (default_compilers): Update for -std=gnu*.
1219 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1221 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1222 * demangle.h: Deleted.
1224 * reload1.c (current_function_decl): Declare.
1226 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1230 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1232 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1234 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1236 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1238 * configure: Rebuilt.
1239 * system.h: If the *_unlocked functions are available use them
1240 instead of the locked counterparts by defining macros.
1241 * config.in: Regenerated.
1243 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1245 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1246 wrong and should only be used for dump related things, not
1247 debugging information, instead main_input_filename should be used.
1248 Also, reuse output_file_directive if possible.
1249 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1250 * i386/isc.h (ASM_FILE_START): Likewise.
1251 * i386/win-nt.h (ASM_FILE_START): Likewise.
1252 * i386/sun386.h (ASM_FILE_START): Likewise.
1254 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1256 * configure.in (mips*-*-linux*): Handle big and little endian
1258 * configure: Rebuilt.
1260 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1262 * emit-rtl.c: Fix typo.
1264 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1266 * reload1.c (eliminate_regs): Don't do anything, if we're not
1269 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1271 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1273 * mips/mips.c (mips_select_section): Add comment.
1275 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1277 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1278 characters in file names in #line to be consistent with #include
1279 handling. We support escape prcessing in the # 1 "..." version of
1280 the command. See also support in cp/lex.c.
1281 (handle_directive): Likewise.
1282 (do_line): Likewise.
1284 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1286 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1287 so it'll work on non-ASCII platforms. Always consider $ an
1288 identifier character. Take no arguments.
1289 (cpp_reader_init): Call initialize_char_syntax with no
1291 (cpp_start_read): Don't call initialize_char_syntax again.
1292 Clear is_idchar['$'] and is_idstart['$'] if not
1293 opts->dollars_in_ident.
1295 * cpplib.h (struct cpp_reader): Replace void *data element by
1296 cpp_options *opts. Rearrange elements to make gdb printout
1297 less annoying (put buffer stack at end).
1298 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1300 * cppmain.c: s/data/opts/ when initializing cpp_reader
1302 * c-decl.c: Likewise.
1303 * objc/objc-act.c: Likewise.
1304 * fix-header.c: Likewise.
1306 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1308 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1309 with a struct file_name_list pointer.
1310 (struct cpp_reader): Add pointer to chain of `actual
1311 directory' include searchpath entries.
1312 (struct file_name_list): Add *alloc pointer for the sake of
1313 the actual-directory chain.
1315 Move definition of HOST_WIDE_INT here.
1316 (cpp_parse_escape): Change prototype to match changes in
1319 * cppfiles.c (actual_directory): New function.
1320 (finclude): Use it to initialize the buffer's actual_dir
1322 (find_include_file): We don't need to fix up max_include_len
1325 * cpplib.c (do_include): Don't allocate a file_name_list on
1326 the fly for current directory "" includes, use the one that's
1327 been preallocated in pfile->buffer->actual_dir. Hoist out
1328 duplicate code from the search_start selection logic.
1329 (cpp_reader_init): Initialize pfile->actual_dirs.
1331 Remove definition of HOST_WIDE_INT. Change calls
1332 to cpp_parse_escape to match changes in cppexp.c (note
1333 hardcoded MASK, which is safe since this is the source
1336 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1337 to handle wide character constants in #if directives. The
1338 function now returns a HOST_WIDE_INT, and takes a third
1339 argument which is a binary mask for all legal values (0x00ff
1340 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1341 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1342 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1344 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1346 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1348 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1351 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1352 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1354 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1356 * final.c (output_asm_name): Use tabs to seperate comments from
1359 Include instruction lengths (if defined) in output.
1361 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1363 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1364 in the loop_info structure.
1366 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1368 * configure.in: (arm*-*-ecos-elf): New target.
1369 * configure: Regenerated.
1370 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1371 * config/arm/ecos-elf.h: New file.
1372 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1375 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1377 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1379 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1381 * version.c: Bump for snapshot.
1383 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1385 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1388 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1390 * version.c: Bump for snapshot.
1392 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1394 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1395 compressed reports are ok and preferred over URLs
1397 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1399 * invoke.texi (Warning Options): Soften the tone of -pedantic
1401 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1403 * print-rtl.c (print_rtx): Add prototype.
1405 * unroll.c (iteration_info): Make it static.
1407 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1409 * alias.c (memrefs_conflict_p): A second ANDed address
1410 disables the aligned address optimization.
1412 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1414 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1417 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1419 * i960.h (BOOL_TYPE_SIZE): Define.
1421 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1423 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1424 from old valid_parallel_operands_4.
1425 (valid_parallel_operands_4): Check that operands for 4 operand
1426 parallel insns are valid, excluding load/store insns.
1427 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1428 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1429 valid_parallel_load_store instead of valid_parallel_operands_4.
1430 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1431 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1432 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1433 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1434 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1435 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1436 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1438 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1440 * config/c4x/c4x.c (iteration_info): Delete extern.
1442 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1444 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1446 * final.c (cleanup_subreg_operands): Delete some unused code.
1448 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1449 (struct insn_alternative): New structure definition.
1450 (recog_op_alt): Declare variable.
1451 (preprocess_constraints): Declare function.
1452 * recog.c (recog_op_alt): New variable.
1453 (extract_insn): Verify number of alternatives is in range.
1454 (preprocess_constraints): New function.
1455 * reg-stack.c: Include recog.h.
1456 (constrain_asm_operands): Delete.
1457 (get_asm_operand_lengths): Delete.
1458 (get_asm_operand_n_inputs): New function.
1459 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1460 N_OUTPUTS args. All callers changed.
1461 Compute number of inputs and outputs here by calling
1462 get_asm_operand_n_inputs.
1463 Instead of constrain_asm_operands, call extract_insn,
1464 constrain_operands and preprocess_constaints. Use information
1465 computed by these functions throughout.
1466 (record_reg_life): Delete code that is unused due to changes in
1467 record_asm_reg_life.
1468 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1469 N_INPUTS and N_OUTPUTS args. All callers changed.
1470 Similar changes as in record_asm_reg_life.
1471 (subst_stack_regs): Move n_operands declaration into the if statement
1473 Delete code that is unused due to changes in subst_asm_stack_regs.
1474 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1476 * Makefile.in (reg-stack.o): Depend on recog.h.
1478 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1480 * except.c (set_exception_version_code): Argument is an "int".
1482 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1484 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1485 * configure: Rebuilt.
1487 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1489 * configure.in (mipsel-*-linux*): New target.
1490 * mips/linux.h: New file, based on other Linux targets.
1492 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1494 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1495 runs in the context of the deleter, not the deletee, so we must
1496 use taskVarGet to find the correct memory to free.
1497 (__gthread_key_create): Initialize the task
1498 variable subsystem so that the task variable is still active when
1499 the delete hook is run.
1501 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1503 * pdp11.h: Use optimize_size for space optimizations.
1504 * pdp11.c: Likewise.
1505 * pdp11.md: Likewise.
1507 * pdp11.h (TARGET_40_PLUS): Fix typo.
1509 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1511 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1514 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1516 * alias.c (addr_side_effect_eval): New function.
1517 (memrefs_conflict_p): Use it.
1518 * rtl.h (addr_side_effect_eval): Prototype it.
1520 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1522 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1524 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1526 * reload.c (find_reloads): When force const to memory, put result
1527 in substed_operand not *recog_operand_loc.
1529 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1531 * c-lex.c: Fix indentation from last patch.
1532 Remove trailing whitespace.
1535 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1537 * flow.c (delete_block): Call set_last_insn after we have reset
1538 NEXT_INSN (kept_tail).
1540 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1542 * mips.md (trap_if): Use "$0" for the value zero.
1544 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1545 Stephen L Moshier <moshier@world.std.com>
1546 Richard Henderson <rth@cygnus.com>
1548 * c-common.c (declare_function_name): Declare predefinied variable
1551 * c-decl.c (flag_isoc9x): Set to 1 by default.
1552 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1553 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1555 * c-parse.in: Allow constructors in ISO C 9x.
1556 Rewrite designator list handling.
1557 Allow [*] parameters.
1558 Don't warn about comma at end of enum definition for ISO C 9x.
1560 * cccp.c (c9x): New variable.
1561 (rest_extension): New variable.
1562 (print_help): Document new -std= option.
1563 (main): Recognize -std= option. Set c9x appropriately.
1564 (create_definition): Recognize ISO C 9x vararg macros.
1566 * gcc.c (default_compilers): Adjust specs for -std options.
1567 (option_map): Add --std.
1568 (display_help): Document -std.
1570 * toplev.c (documented_lang_options): Add -std and remove
1573 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1574 or REAL_VALUE_HTOF based on base of the constants.
1575 * fold-const.c (real_hex_to_f): New function. Replacement function
1576 for hex FP conversion if REAL_ARITHMETIC is not defined.
1577 * real.c (asctoeg): Add handling of hex FP constants.
1578 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1581 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1583 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1584 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1585 expansion. Use hi/lo as destination register.
1587 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1588 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1589 Avoid as macro expansion. Use hi/lo as destination register.
1591 * mips.h (MASK_CHECK_RANGE_DIV): New.
1592 (MASK_NO_CHECK_ZERO_DIV): New.
1593 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1594 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1595 return address for leaf functions out of r31 to support
1596 builtin_return_address.
1598 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1600 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1601 NEXT_INSN(x) to check insn x.
1603 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1605 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1606 last insn in the rtl chain.
1608 * reload1.c (reload): Do not set reload_completed or split insns
1610 * toplev.c (rest_of_compilation): Set reload_completed after
1611 reload returns. Split insns after reload_cse has run.
1613 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1615 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1617 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1619 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1621 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1623 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1624 use of user-label_prefix.
1626 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1628 * reload1.c (emit_reload_insns): Clear spill_reg_store
1629 when doing a new non-inherited reload from the same pseudo.
1631 * local-alloc.c (function_invariant_p): New function.
1632 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1633 to decide if an equivalence should be recorded.
1634 * reload1.c (num_eliminable_invariants): New static variable.
1635 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1636 to decide if an equivalence should be recorded.
1638 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1639 Take num_eliminable_invariants into account when deciding
1640 if register elimination should be done.
1641 (reload_as_needed): Take num_eliminable_invariants into account
1642 when deciding if register elimination should be done.
1643 (eliminate_regs): Handle non-constant reg_equiv_constant.
1644 * rtl.h (function_invariant_p): Declare.
1646 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1648 * version.c: Bump for snapshot.
1650 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1652 * version.c: Bump for snapshot.
1654 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1656 * except.c (add_new_handler): Complain about additional handlers
1657 after one that catches everything.
1659 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1661 * configure.in (alpha*-*-netbsd): Fix typo.
1662 * configure: Rebuilt.
1664 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1666 * system.h: Include libiberty.h.
1668 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1669 function `concat' from fixed parameters to variable parameters,
1670 as is done in libiberty. All callers of concat/concat3
1671 changed to use the new `concat' with variable args.
1673 * cccp.c: Remove things made redundant by libiberty.h and/or
1674 conform to libiberty standards.
1676 * collect2.c: Likewise.
1677 * config/1750a/1750a.h: Likewise.
1678 * cppalloc.c: Likewise.
1679 * cppexp.c: Likewise.
1680 * cppfiles.c: Likewise.
1681 * cpphash.c: Likewise.
1682 * cpplib.c: Likewise.
1683 * dyn-string.c: Likewise.
1684 * fix-header.c: Likewise.
1687 * genattr.c: Likewise.
1688 * genattrtab.c: Likewise.
1689 * gencheck.c: Likewise.
1690 * gencodes.c: Likewise.
1691 * genconfig.c: Likewise.
1692 * genemit.c: Likewise.
1693 * genextract.c: Likewise.
1694 * genflags.c: Likewise.
1695 * gengenrtl.c: Likewise.
1696 * genopinit.c: Likewise.
1697 * genoutput.c: Likewise.
1698 * genpeep.c: Likewise.
1699 * genrecog.c: Likewise.
1700 * getpwd.c: Likewise.
1701 * halfpic.c: Likewise.
1703 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1704 in NEED_DECLARATION_* macros.
1706 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1707 conform to libiberty standards.
1708 (fatal): Fix const-ification of variable `format' in
1709 !ANSI_PROTOTYPES case.
1711 * prefix.c: Remove things made redundant by libiberty.h and/or
1712 conform to libiberty standards.
1714 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1715 conflicting with function `spaces' from libiberty.
1717 * profile.c: Remove things made redundant by libiberty.h and/or
1718 conform to libiberty standards.
1719 * protoize.c: Likewise.
1722 * tlink.c: Likewise.
1723 * toplev.c: Likewise.
1724 * toplev.h: Likewise.
1727 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1729 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1731 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1733 * README.C4X: Updated URLs.
1734 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1735 (valid_parallel_operands_5): Remove unused variable.
1737 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1739 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1741 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1743 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1744 which can be configured.
1745 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1746 (Makefile): Pass actual LANGUAGES through the environment when
1748 (cstamp-h): Likewise.
1749 (config.status): Likewise.
1751 * configure.in (enable_languages): Add new configuration parameter
1752 "--enable-languages=lang1,lang2,...".
1753 (${srcdir}/*/config-lang.in): Change handling to configure only
1754 those directories, that the user might have enabled; default to
1755 "all" existing languages.
1756 * configure: Regenerate.
1758 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1760 * rtlanal.c (regs_set_between_p): New function.
1761 * rtl.h (regs_set_between_p): Prototype it.
1762 * jump.c (jump_optimize): Use it instead of modified_between_p
1763 in the Sep 2 change.
1765 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1766 Matthias Pfaller <leo@dachau.marco.de>
1768 * invoke.texi (Option Summary, NS32K Options): add description
1769 of NS32K specific options.
1771 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1772 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1773 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1774 negdf2, absdf2): Use l instead of f since the double class and
1775 float class are no longer the same.
1776 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1777 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1778 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1779 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1781 (cmpsi, cmphi, cmpqi): use general_operand instead of
1782 non_immediate_operand. Removes erroneous assumption that can't
1784 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1785 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1787 (movstrsi, movstrsi1, movstrsi2): completely new block move
1789 (...): Patterns to exploit multiply-add instructions.
1790 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1791 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1792 patterns to exploit extended divide insns.
1793 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1796 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1797 float return values as well as simple scalar floats.
1798 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1799 support new flag to denote 32381 fpu.
1800 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1801 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1803 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1804 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1805 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1806 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1807 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1808 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1809 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1810 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1811 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1812 fpu registers and special register classes for new 32381
1813 instructions dotf and polyf.
1814 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1816 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1817 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1819 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1820 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1821 (REGISTER_MOVE_COST): move code to register_move_cost function for
1822 ease of coding and debugging.
1823 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1824 LONG_FLOAT_REGO is likely spilled but not caught by default
1826 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1827 instead of hard coded numbers in range check.
1828 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1829 (...): Add prototypes for functions in ns32k.c but disable because
1830 of problems when ns32k.h is included in machine independant files.
1832 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1833 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1834 hard_regno_mode_ok, secondary_reload_class,
1835 print_operand, print_operand_address): new register scheme to
1836 include 32381 fpu registers and special register classes for new
1837 32381 instructions dotf and polyf.
1838 (gen_indexed_expr): Make static to keep namespace clean.
1839 (check_reg): remove since never called.
1840 (move_tail, expand_block_move): helper functions for "movstrsi"
1842 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1843 Increase cost of moves which go via memory.
1844 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1845 (CPP_PREDEFINES): nolonger predefine "unix".
1847 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1848 Remove erroneous %$. print_operand() can work out from the rtx is
1849 an immediate prefix is required.
1851 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1852 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1853 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1855 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1858 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1859 Correct handling of pic operands.
1860 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1861 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1862 -mrtd calling convention.
1864 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1866 * gcc.c (option_map): Recognize --output-class-directory.
1868 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1870 * loop.h (precondition_loop_p): Added new mode argument.
1871 * unroll.c (precondition_loop_p): Likewise.
1872 (approx_final_value): Function deleted and subsumed
1873 into loop_iterations.
1874 (loop_find_equiv_value): New function.
1875 (loop_iterations): Use loop_find_equiv_value to find increments
1876 too large to be immediate constants. Also use it to find terms
1877 common to initial and final iteration values that can be removed.
1879 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1881 * loop.h (struct loop_info): Define new structure.
1882 (precondition_loop_p): Added prototype.
1883 (unroll_loop): Added new argument loop_info to prototype.
1884 (final_biv_value, final_giv_value): Added new argument n_iterations
1886 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1887 and new pointer loop_info.
1888 (loop_n_iterations): Replace global variable by element in
1889 loop_info structure.
1890 (check_final_value): New argument n_iterations.
1891 (insert_bct): New argument loop_info.
1892 (loop_unroll_factor): Replace global array by element in
1893 loop_info structure.
1894 (loop_optimize): Remove code to allocate and initialise
1895 loop_unroll_factor_array.
1896 * unroll.c (precondition_loop_p): No longer static since
1897 used by branch on count optimization.
1898 (precondition_loop_p, unroll_loop): New argument loop_info.
1899 (final_biv_value, final_giv_value, find_splittable_regs): New
1900 argument n_iterations.
1901 (loop_iteration_var, loop_initial_value, loop_increment,
1902 loop_final_value, loop_comparison_code, loop_unroll_factor):
1903 Replaced global variables by loop_info structure.
1904 (loop_unroll_factor): Replace global array by element in
1905 loop_info structure.
1907 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1909 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1912 * unroll.c (precondition_loop_p): Return loop_initial_value
1913 for initial_value instead of loop_iteration_var.
1915 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1917 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1918 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1919 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1920 to output the instruction sequences.
1922 (rptb_top): Provide alternatives to use any register or memory
1924 (rptb_end): Emit use of operands rather than assigning them
1925 explicitly to the RS and RE registers.
1927 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1929 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1930 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1931 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1932 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1933 c4x_merge_notes, c4x_parallel_process,
1934 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1935 c4x_combine_parallel): Delete.
1937 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1939 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1940 with old target options clear flag_branch_on_count_reg if
1941 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1943 (c4x_output_cbranch): Handle a sequence of insns rather than a
1945 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1946 has not been allocated as the loop counter.
1947 (c4x_address_conflict): Do not allow two volatile memory references.
1948 (valid_parallel_operands_4, valid_parallel_operands_5,
1949 valid_parallel_operands_6): Reject pattern if the register destination
1950 of the first set is used as part of an address in the second set.
1952 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1954 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1955 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1956 is no longer enabled if PARALLEL_MPY_FLAG set.
1957 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1958 (REG_CLASS_CONTENTS): Add braces around initializers.
1959 (HAVE_MULTIPLE_PACK): Define.
1960 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1961 REAL_VALUE_TO_DECIMAL.
1962 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1963 REAL_VALUE_TO_DECIMAL.
1964 (ar0_reg_operand): Add prototype.
1965 (ar0_mem_operand): Likewise.
1966 (ar1_reg_operand): Likewise.
1967 (ar1_mem_operand): Likewise.
1968 (ar2_reg_operand): Likewise.
1969 (ar2_mem_operand): Likewise.
1970 (ar3_reg_operand): Likewise.
1971 (ar3_mem_operand): Likewise.
1972 (ar4_reg_operand): Likewise.
1973 (ar4_mem_operand): Likewise.
1974 (ar5_reg_operand): Likewise.
1975 (ar5_mem_operand): Likewise.
1976 (ar6_reg_operand): Likewise.
1977 (ar6_mem_operand): Likewise.
1978 (ar7_reg_operand): Likewise.
1979 (ar7_mem_operand): Likewise.
1980 (ir0_reg_operand): Likewise.
1981 (ir0_mem_operand): Likewise.
1982 (ir1_reg_operand): Likewise.
1983 (ir1_mem_operand): Likewise.
1984 (group1_reg_operand): Likewise.
1985 (group1_mem_operand): Likewise.
1986 (ir1_reg_operand): Likewise.
1987 (arx_reg_operand): Likewise.
1988 (not_rc_reg): Likewise.
1989 (not_modify_reg): Likewise.
1990 (c4x_group1_reg_operand): Remove prototype.
1991 (c4x_group1_mem_operand): Likewise.
1992 (c4x_arx_reg_operand): Likewise.
1994 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1996 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1997 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1999 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2001 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2004 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2006 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2007 unless FMOVD_WORKS is defined.
2009 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2011 * regclass.c (init_reg_sets): Move code that calculates tables
2012 dependent on reg_class_contents from here...
2013 (init_reg_sets_1): To here.
2015 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2017 * cpplib.h: Delete struct import_file. Add ihash element to
2018 struct cpp_buffer. Delete dont_repeat_files and
2019 import_hash_table elements from cpp_reader; change
2020 all_include_files to a hash table. Delete all foobar_include
2021 / last_foobar_include elements from struct cpp_options; put
2022 back four such: quote_include, bracket_include,
2023 system_include, after_include. Redo struct file_name_list
2024 completely. Add new structure type include_hash. Add
2025 prototypes for merge_include_chains and include_hash. Change
2026 prototypes for finclude, find_include_file, and
2027 append_include_chain to match changes below.
2029 * cppfiles.c (simplify_pathname, include_hash,
2030 remap_filename, merge_include_chains): New functions.
2031 (add_import, lookup_import, open_include_file): Removed.
2032 (INO_T_EQ): Define this (copied from cccp.c).
2033 (hack_vms_include_specification): Remove all calls and #if 0
2034 out the definition. It was being called incorrectly and at
2035 the wrong times. Until a VMSie can look at this, it's better
2036 to not pretend to support it.
2037 (append_include_chain): Change calling convention; now takes
2038 only one directory at a time, and sets up the data structure
2040 (redundant_include_p): Rewritten - this is now used for all
2041 include redundancy, whether by #ifndef, #import, or #pragma
2042 once. Looks up things in the include hash table.
2043 (file_cleanup): Decrement pfile->system_include_depth here if
2045 (find_include_file): Calling convention changed; now passes
2046 around a struct include_hash instead of 3 separate parameters.
2047 Guts ripped out and replaced with new include_hash mechanism.
2048 (finclude): Calling convention changed as for
2049 find_include_file. Error exits pulled out-of-line. Reformat.
2050 (safe_read): Return a long, not an int.
2051 (deps_output): Don't recurse.
2053 * cpplib.c (is_system_include): Deleted.
2054 (path_include): Fix up call to append_include_chain.
2055 (do_include): Fix up calls to find_include_file and finclude.
2056 Clean up dependency output a bit. Shorten obnoxiously lengthy
2057 #import warning message. Don't decrement
2058 pfile->system_include_depth here.
2059 (do_pragma): Understand the include_hash structure. Reformat.
2060 (do_endif): Correct handling of control macros. Understand
2062 (cpp_start_read): Fix up calls to finclude. Call
2063 merge_include_chains.
2064 (cpp_handle_option): Fix up calls to append_include_chain.
2065 Understand the four partial include chains.
2066 (cpp_finish): Add debugging code (#if 0-ed out) for the
2068 (cpp_cleanup): Free the include_hash, not the import hash and
2069 the all_include and dont_repeat lists which no longer exist.
2071 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2073 * toplev.c (no_new_pseudos): Define.
2074 (rest_of_compilation): Set no_new_pseudos as needed.
2075 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2076 if no_new_pseudos is set.
2077 * rtl.h (no_new_pseudos): Declare it.
2078 * reload1.c (reload): Update comments.
2079 * md.texi: Corresponding changes.
2081 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2083 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2084 (choose_reload_regs): Rename it here as well. When computing it,
2085 also merge in used hardregs.
2087 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2089 * gcc.c: Split out Objective-C specs to...
2090 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2093 * c-lex.c (init_parse): Always initialize the filename global.
2094 * objc/objc-act.c (lang_init): Always call check_newline at
2097 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2099 * reload1.c (reload): Remove unused variable.
2100 (reload_reg_free_for_value_p): Add missing parameter definition.
2102 * jump.c (jump_optimize): Remove unused variable.
2104 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2106 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2108 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2110 * expr.c (move_by_pieces): Similarly.
2111 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2112 * flow.c (find_auto_inc): Similarly.
2113 (try_pre_increment): Similarly.
2114 * loop.c (strength_reduce): Similarly.
2115 * regclass.c (auto_inc_dec_reg_p): Similarly.
2116 * regmove.c (try_auto_increment): Similarly.
2117 (fixup_match_1): Similarly.
2118 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2119 (HAVE_PRE_DECREMENT): Similarly.
2120 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2121 * Corresponding changes to all target header files.
2122 * tm.texi: Update docs for autoinc addressing modes.
2124 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2126 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2127 * configure: Rebuild.
2128 * config/elfos.h: New file.
2129 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2130 config/m68k/t-m68kelf: New file.
2132 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2134 * Makefile.in (HOST_AR): Define.
2135 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2136 (libcpp.a): Use the host tools explicitly.
2137 (STAGESTUFF): Add libcpp.a.
2139 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2141 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2142 to source and destination registers.
2144 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2146 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2147 The strategy we now use is to pre allocate the top_elt along
2148 with the EH context so that each thread has its own top_elt.
2149 This is necessary as the dynmanic cleanup chain is used on the
2150 top element of the stack and each thread MUST have its own.
2151 (eh_context_static): Likewise.
2152 (new_eh_context): Likewise.
2153 (__sjthrow): Likewise.
2155 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2157 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2158 * i386.md (prologue_get_pc): Remove unused variable.
2160 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2162 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2164 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2166 * Makefile.in (OBJS): Add graph.o
2167 (graph.o): New dependency list.
2168 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2169 * print-rtl.c (dump_for_graph): Define new variable.
2170 (print_rtx): Rewrite to allow use in graph dumping functions.
2171 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2172 finish_graph_dump_file.
2173 Define graph_dump_format.
2174 (compile_file): If graph dumping is enabled also clear these files.
2175 Finish graph dump files.
2176 (rest_of_compilation): Also dump graph information if enabled.
2177 (main): Recognize -dv to enabled VCG based graph dumping.
2178 * graph.c: New file. Graph dumping functions.
2180 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2182 * configure.in: Look for <sys/stat.h>.
2183 * system.h: Include it before substitute S_ISREG definitions.
2185 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2187 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2188 * config/mips/iris6.h: Same.
2189 * config/mips/mips.md: Same.
2190 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2191 * config/mips/mips.h: Same; also define ABI_O64.
2193 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2195 * configure.in: Use AC_PREREQ(2.12.1).
2197 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2199 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2200 * cpplib.c, gcc.c: Likewise.
2201 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2203 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2205 * local-alloc.c (local_alloc): Use malloc not alloca for
2206 reg_qty, reg_offset, ref_next_in_qty.
2208 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2210 * caller-save.c (insert_one_insn): Initialize the live_before and
2211 live_after register sets.
2215 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2216 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2217 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2218 (fp_reg_names, assembler_dialect): New variables.
2219 (print_operand_address): Handle SUBREGs.
2220 (print_operand): Added 'o' case.
2221 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2222 Name of FP registers depends on mode.
2223 (expand_block_move): Emit different code for SH4 hardware.
2224 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2225 (from_compare): Likewise.
2226 (add_constant): New argument last_value. Changed all callers.
2227 (find_barrier): Don't try HImode load for FPUL_REG.
2228 (machine_dependent_reorg): Likewise.
2229 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2230 (gen_far_branch): Emit a barrier after the new jump.
2231 (barrier_align): Don't trust instruction lengths before
2233 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2234 Use auto-inc addressing for fp registers if doubles need to
2235 be loaded in two steps.
2236 Set sh_flag_remove_dead_before_cse.
2237 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2238 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2239 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2240 Support for FIRST_XD_REG .. LAST_XD_REG.
2241 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2242 (sh_expand_epilogue): Likewise.
2243 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2244 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2245 (arith_reg_operand): FPUL_REG is OK for SH4.
2246 (fp_arith_reg_operand, fp_extended_operand) New functions.
2247 (tertiary_reload_operand, fpscr_operand): Likewise.
2248 (commutative_float_operator, noncommutative_float_operator): Likewise.
2249 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2250 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2251 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2252 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2253 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2254 (CONDITIONAL_REGISTER_USAGE): Likewise.
2255 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2256 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2257 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2258 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2259 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2260 to -1 and sh_flag_remove_dead_before_cse to 1.
2261 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2262 (assembler_dialect, fp_reg_names): Declare.
2263 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2264 Hide names of registers that are not accessible.
2265 (CACHE_LOG): Take TARGET_CACHE32 into account.
2266 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2267 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2268 (FIRST_PSEUDO_REGISTER: Now 49.
2269 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2270 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2271 (HARD_REGNO_MODE_OK): Update.
2272 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2273 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2274 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2275 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2276 (NPARM_REGS): Eight floating point parameter registers on SH4.
2277 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2278 in floating point registers.
2279 (GET_SH_ARG_CLASS) Likewise.
2280 Complex float types are also returned in float registers.
2281 (BASE_ARG_REG): Complex float types are also passes in float registers.
2282 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2283 (LIBCALL_VALUE): Remove trailing semicolon.
2284 (ROUND_REG): Round when double precision value is passed in floating
2286 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2287 passed on the stack.
2288 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2289 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2290 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2291 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2292 (MODE_DISP_OK_8): Not for SH4 DFmode.
2293 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2294 Allow indexed addressing for PSImode after reload.
2295 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2296 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2297 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2298 (DOUBLE_TYPE_SIZE): 64 for SH4.
2299 (RTX_COSTS): Add PLUS case.
2300 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2301 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2302 MAC_REGS, PR_REGS, DF_REGS.
2303 (REGISTER_NAMES): Use fp_reg_names.
2304 (enum processor_type): Add PROCESSOR_SH4.
2305 (sh_flag_remove_dead_before_cse): Declare.
2306 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2307 (PREDICATE_CODES): Add binary_float_operator,
2308 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2309 fpscr_operand, noncommutative_float_operator.
2310 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2311 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2312 * sh.md (attribute cpu): Add value sh4.
2313 (attrbutes fmovd, issues): Define.
2314 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2315 (function units memory, int, mpy, fp): Make dependent on issue rate.
2316 (function units issue, single_issue, load_si, load): Define.
2317 (function units load_store, fdiv, gp_fpul): Define.
2318 (attribute hit_stack): Provide proper default.
2319 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2320 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2321 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2322 (mulsi3_call): Now uses match_operand for function address.
2323 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2325 (push, pop, push_e, pop_e): Now define_expands.
2326 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2327 (movsi_ie): Added y/i alternative.
2328 (ic_invalidate_line_i, movdf_i4): New insns.
2329 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2330 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2331 (movdf): Add special code for SH4.
2332 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2333 (call_valuei, calli, call_value): Likewise.
2334 (movsf): Emit no-op move.
2335 (mov_nop, movsi_y): New insns.
2336 (blt, sge): generalize to handle DFmode.
2337 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2338 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2339 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2340 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2341 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2342 (toggle_sz): New insn.
2343 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2344 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2345 (macsf3): Make use of fpscr visible. Disable for SH4.
2346 (floatsisf2): Make use of fpscr visible.
2347 (floatsisf2_i4): New insn.
2348 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2349 (ieee_ccmpeqsf_t): Likewise.
2350 (fix_truncsfsi2): Emit different code for SH4.
2351 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2352 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2353 (negsf2, sqrtsf2, abssf2): Now expanders.
2354 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2355 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2356 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2357 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2358 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2359 (fix_truncdfsi2_i4_2+1): New splitters.
2360 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2361 (extendsfdf2, truncdfsf2): New expanders.
2362 (truncdfsf2_i4): New insn.
2363 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2364 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2365 * float-sh.h: When testing for __SH3E__, also test for
2366 __SH4_SINGLE_ONLY__ .
2367 * va-sh.h (__va_freg): Define to float.
2368 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2369 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2370 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2371 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2373 (TARGET_SH4_P): Define.
2376 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2377 init_expr_once is satisfied about the existence of load / store insns.
2379 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2380 change m constraint in source operand to mr / mf .
2382 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2384 * (__VA_REEF): Define.
2385 (__va_arg_sh1): Use it.
2387 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2389 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2391 * i386/dgux.c (struct option): Add new "description field".
2392 * m88k/m88k.c (struct option): Likewise.
2394 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2396 * version.c: Bump for snapshot.
2398 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2400 * regmove.c (regmove_profitable_p): Use return value of find_matches
2403 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2405 * version.c: Bump for snapshot.
2407 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2409 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2410 without reload having been called earlier.
2412 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2414 (v850_reorg): Similarly.
2416 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2418 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2420 * loop.c (move_movables): Start of libcall might be new loop start.
2422 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2424 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2426 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2428 * function.c (nonlocal_goto_handler_slots): Renamed from
2429 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2430 (push_function_context_to): Adjust for this change.
2431 (pop_function_context_from): Likewise.
2432 (init_function_start): Likewise.
2433 (expand_function_end): Likewise.
2434 * function.h (struct function): Likewise.
2435 * calls.c (expand_call): Likewise.
2436 * explow.c (allocate_dynamic_stack_space): Likewise.
2437 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2438 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2440 (expand_goto): When doing a nonlocal goto, find corresponding handler
2441 slot for it. Don't put the label address in the static chain register.
2442 (expand_end_bindings): Break out nonlocal goto handling code into
2443 three new functions.
2444 (expand_nl_handler_label, expand_nl_goto_receiver,
2445 expand_nl_goto_receivers): New static functions, broken out of
2446 expand_end_bindings and adapted to create one handler per nonlocal
2448 * function.c (delete_handlers): Delete insn if it references any of
2449 the nonlocal goto handler slots.
2450 * i960.md (nonlocal_goto): Comment out code that modifies
2452 * sparc.md (nonlocal_goto): Likewise.
2453 (goto_handler_and_restore_v9): Comment out.
2454 (goto_handler_and_restore_v9_sp64): Comment out.
2456 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2458 * expr.c (STACK_BYTES): Delete unused macro.
2459 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2460 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2461 (expand_call): Likewise.
2462 (emit_library_call): Likewise.
2463 (emit_library_call_value): Likewise.
2464 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2465 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2466 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2467 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2468 (allocate_dynamic_stack_space): Likewise.
2469 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2470 (STACK_BOUNDARY): Update description to reflect the new situation.
2472 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2474 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2475 return with a filled delay slot is followed by a return with an
2476 unfilled delay slot, delete the first return and reemit the insn
2477 that was previously in its delay slot.
2479 * i860.c (single_insn_src_p): Add missing parens.
2480 * ginclude/math-3300.h: Likewise.
2482 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2484 * regclass.c (init_reg_sets_1): Add prototype.
2485 (init_reg_modes): Likewise.
2487 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2489 * c-common.c: Change warning messages to say `comparison is
2490 always true' or `comparison is always false' instead of the
2491 confusing `is always 0', `is always 1'.
2493 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2495 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2496 break instead of return (which loses closing '>').
2498 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2500 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2501 standard 387 constants.
2503 * i386.md (jump): Explicitly set "memory" attribute.
2504 (indirect_jump, prologue_set_stack_ptr): Likewise.
2505 (prologue_get_pc_and_set_got, pop): Likewise.
2506 (allocate_stack_worder, blockage, return_internal): Likewise.
2507 (return_pop_internal, nop): Likewise.
2508 (epilogue_set_stack_ptr, leave): Likewise.
2510 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2512 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2514 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * reload1.c (reload_reg_free_for_value_p):
2517 Early auto_inc reloads don't conflict with outputs.
2519 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2521 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2522 Instead call AC_HEADER_SYS_WAIT.
2524 * collect2.c: Don't provide defaults for sys/wait.h macros.
2526 * protoize.c: Likewise. Also, don't include sys/wait.h.
2528 * system.h: Include sys/wait.h and provide macro defaults.
2530 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2532 * Makefile.in (mandir): Set to @mandir@.
2533 (man1dir): New variable to hold the former value of $(mandir).
2534 Replace all uses of $(mandir) by $(man1dir).
2536 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2538 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2539 a new one before passing it to force_const_mem.
2541 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2542 find_reloads_address call.
2544 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2546 * expr.c (store_expr): Don't generate load-store pair
2547 if TEMP is identical (according to ==) with TARGET.
2549 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2551 * reload1.c (reload_reg_free_for_value_p): When considered reload
2552 has an output, matching inputs are not sufficient to avoid conflict.
2554 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2556 * hash.h (hash_table_key): New type.
2557 (hash_entry): Change `string' field to generic `key'.
2558 (hash_table): Add `comp' and `hash' functions.
2559 (hash_table_init): Take them as input.
2560 (hash_table_init_n): Likewise.
2561 (hash_lookup): Modify for generic keys.
2562 (hash_newfunc): Likewise.
2563 (hash_traverse): Likewise.
2564 (string_hash): New function.
2565 (string_compare): Likewise.
2566 (string_copy): Likewise.
2567 * hash.c (hash_table_init_n): Modify for generic keys.
2568 (hash_table_init): Likewise.
2569 (hash_lookup): Likewise.
2570 (hash_newfunc): Likewise.
2571 (hash_traverse): Likewise.
2572 (string_hash): Split out from hash_lookup.
2573 (string_compare): New function.
2574 (string_copy): Split out from hash_lookup.
2575 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2577 (symbol_hash_lookup): Likewise.
2578 (file_hash_newfunc): Likewise.
2579 (file_hash_lookup): Likewise.
2580 (demangled_hash_newfunc): Likewise.
2581 (demangled_hash_lookup): Likewise.
2582 (tlink_int): Likewise.
2583 (read_repo_file): Likewise.
2584 (recompile_files): Likewise.
2585 (demangle_new_symbols): Likewise.
2586 (scan_linker_output): Likewise.
2588 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2590 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2592 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2594 * rs6000.c (output_mi_thunk): Improve test for local branch.
2596 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2598 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2600 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2602 * reload1.c (reload_reg_free_before_p): Delete.
2603 Changed all callers to use reload_reg_free_for_value_p instead.
2604 (reload_reg_free_for_value_p): Handle more reload types.
2605 A RELOAD_FOR_INPUT doesn't conflict with its
2606 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2607 Add special case for OUT == const0_rtx.
2608 Added ignore_address_reloads argument. Changed all callers.
2610 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2612 * toplev.c (compile_file): Don't pedwarn about undefined static
2613 functions just because we passed -Wunused.
2615 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2617 * function.c (purge_addressof_1): Unshare rtl created by
2620 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2622 * regmove.c (regmove_optimize): Don't do anything but
2623 optimize_reg_copy[123] when flag_regmove is not set.
2625 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2627 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2628 value in paradoxical SImode result, rather than truncating midpoint.
2630 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2632 * alpha.c (reg_not_elim_operand): New.
2633 * alpha.h (PREDICATE_CODES): Add it.
2634 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2635 for the multiplicand.
2637 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2639 * rs6000.md (movsf): Remove explicit secondary-reload-like
2640 functionality. Only truncate SFmode store if in FPR.
2641 (movsf splitters): Combine const_double splitters.
2642 (movsf_hardfloat): Add GPR support.
2644 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2646 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2647 deprecate -mlive-g0 and -mbroken-saverestore.
2648 * t-splet (MULTILIB_OPTIONS): Likewise.
2650 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2651 in a leaf function. Clarify total_size/extra_size relationship.
2653 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2655 * i386/cygwin32.asm: Delete.
2656 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2657 * i386/cygwin32.h: Delete.
2658 * i386/cygwin.h: New file, renamed from cygwin32.h.
2659 * i386/t-cygwin32: Delete.
2660 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2661 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2662 * i386/x-cygwin32: Delete.
2663 * i386/x-cygwin: New file, renamed from x-cygwin32.
2664 * i386/xm-cygwin32: Delete.
2665 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2666 renamed cygwin_ funcs for path translations.
2667 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2668 * i386/winnt.c: Remove "32" from comment about cygwin.
2669 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2670 * rs6000/cygwin32.h: Delete.
2671 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2672 -D__CYGWIN__ to CPP_PREDEFINES.
2673 * rs6000/x-cygwin32: Delete.
2674 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2675 * rs6000/xm-cygwin32: Delete.
2676 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2678 * configure.in: Check for cygwin* instead of cygwin32. Account
2679 for the rename of cygwin-related config files to lose the "32"s.
2680 * configure: Regenerate.
2682 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2683 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2685 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2687 * Makefile.in (JAVAGC): New macro.
2688 * configure: Rebuilt.
2689 * configure.in: Recognize --enable-java-gc argument. Subst
2692 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2694 Handle equivalences that have been obscured by gcse:
2696 * reload1.c (reload): Handle equivalences set up in multiple places.
2697 * local-alloc.c (reg_equiv_init_insns): New variable.
2698 (no_equiv): New function.
2699 (update_equiv_regs): Handle equivalences set up in multiple places.
2700 Don't ignore an insn just because its destination is likely to be
2703 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2705 * except.c (expand_eh_return): Readd force_operand call lost in
2708 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2710 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2712 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2714 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2716 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2718 * regmove.c (regmove_optimize): Fix error in last change.
2720 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2722 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2723 offset in the .mask pseudo to compensate for frame pointer adjustments.
2724 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2725 word swap arguments moved to/from FP registers.
2726 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2728 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2730 * version.c: Bump for snapshot.
2732 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2734 * version.c: Bump for snapshot.
2736 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2738 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2739 times, then it can not be completely replaced.
2741 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2743 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2745 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2748 (to distinguish it from the macro wrapping ansidecl.h.)
2749 Include libiberty's ansidecl.h. Remove all redundant definitions.
2750 Define the PROTO() style macros in terms of the PARAMS() ones.
2753 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2754 __STDC__, when deciding whether to use ANSI variable args.
2755 (emit_library_call_value): Likewise.
2757 * cccp.c (error): Likewise.
2758 (warning): Likewise.
2759 (error_with_line): Likewise.
2760 (warning_with_line): Likewise.
2761 (pedwarn): Likewise.
2762 (pedwarn_with_line): Likewise.
2763 (pedwarn_with_file_and_line): Likewise.
2766 * cexp.y (error): Likewise.
2767 (pedwarn): Likewise.
2768 (warning): Likewise.
2770 * collect2.c (fatal_perror): Likewise.
2774 * combine.c (gen_rtx_combine): Likewise.
2776 * cpperror.c (cpp_message): Likewise.
2777 (cpp_fatal): Likewise.
2779 * cpplib.c (cpp_error): Likewise.
2780 (cpp_warning): Likewise.
2781 (cpp_pedwarn): Likewise.
2782 (cpp_error_with_line): Likewise.
2783 (cpp_warning_with_line): Likewise.
2784 (cpp_pedwarn_with_line): Likewise.
2785 (cpp_pedwarn_with_file_and_line): Likewise.
2787 * cpplib.h: Don't define PARAMS() macro.
2789 * demangle.h: Likewise.
2791 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2792 when deciding whether to use ANSI variable args.
2794 * emit-rtl.c (gen_rtx): Likewise.
2795 (gen_rtvec): Likewise.
2797 * final.c (asm_fprintf): Likewise.
2799 * fix-header.c (cpp_message): Likewise.
2801 (cpp_fatal): Likewise.
2803 * gcc.c (concat): Likewise.
2807 * genattr.c (fatal): Likewise.
2809 * genattrtab.c (attr_rtx): Likewise.
2810 (attr_printf): Likewise.
2813 * gencodes.c (fatal): Likewise.
2815 * genconfig.c (fatal): Likewise.
2817 * genemit.c (fatal): Likewise.
2819 * genextract.c (fatal): Likewise.
2821 * genflags.c (fatal): Likewise.
2823 * genopinit.c (fatal): Likewise.
2825 * genoutput.c (fatal): Likewise.
2828 * genpeep.c (fatal): Likewise.
2830 * genrecog.c (fatal): Likewise.
2832 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2833 deciding whether to declare `tree_node' and `rtx_def'.
2835 * hash.h: Don't define stuff we get from gansidecl.h.
2837 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2838 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2839 whether to use ANSI variable args.
2842 * prefix.c (concat): Likewise.
2846 * system.h: Likewise.
2848 * toplev.c (error_with_file_and_line): Likewise.
2849 (error_with_decl): Likewise.
2850 (error_for_asm): Likewise.
2853 (warning_with_file_and_line): Likewise.
2854 (warning_with_decl): Likewise.
2855 (warning_for_asm): Likewise.
2856 (warning): Likewise.
2857 (pedwarn): Likewise.
2858 (pedwarn_with_decl): Likewise.
2859 (pedwarn_with_file_and_line): Likewise.
2861 (really_sorry): Likewise.
2863 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2864 whether to declare `tree_node' and `rtx_def'.
2866 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2867 deciding whether to use ANSI variable args.
2868 (build_nt): Likewise.
2869 (build_parse_node): Likewise.
2871 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2873 * version.c: Bump for snapshot.
2875 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2879 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2881 * collect2.c (main, case 'b'): Use else if.
2883 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2885 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2886 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2887 before the config/ directory headers.
2888 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2889 gansidecl.h in the list of dependencies.
2891 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2892 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2893 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2894 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2895 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2896 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2899 * cccp.c: Don't include gansidecl.h.
2901 * collect2.c: Likewise.
2902 * config/c4x/c4x.c: Likewise.
2903 * config/v850/v850.h: Likewise.
2904 * cppalloc.c: Likewise.
2905 * cpperror.c: Likewise.
2906 * cppexp.c: Likewise.
2907 * cppfiles.c: Likewise.
2908 * cpphash.c: Likewise.
2909 * cpplib.c: Likewise.
2910 * cppmain.c: Likewise.
2911 * cppulp.c: Likewise.
2912 * demangle.h: Likewise.
2913 * doprint.c: Likewise.
2914 * dyn-string.c: Likewise.
2915 * eh-common.h: Likewise.
2916 * fix-header.c: Likewise.
2917 * frame.c: Likewise.
2920 * gen-protos.c: Likewise.
2921 * gencheck.c: Likewise.
2922 * halfpic.h: Likewise.
2924 * machmode.h: Likewise.
2925 * mbchar.c: Likewise.
2926 * prefix.c: Likewise.
2927 * protoize.c: Likewise.
2928 * recog.h: Likewise.
2930 * scan-decls.c: Likewise.
2932 * varray.h: Likewise.
2934 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2936 * i386.md (call_value_pop): If we're not popping anything,
2937 defer to call_value.
2938 (call_pop): Likewise defer to call.
2940 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2942 * function.c (purge_addressof): Clear purge_addressof_replacements
2943 only after processing the whole function.
2945 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2947 * reload1.c (reload): If we can not perform a particular elimination
2948 when we thought we could earlier, then we must always iterate through
2949 the loop at least one more time.
2951 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2953 * alpha.c (add_operand): Simplify the CONST_INT match.
2954 (sext_add_operand): Correct typo in comparison by using
2955 CONST_OK_FOR_LETTER_P.
2956 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2957 constant alternatives to be generated.
2958 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2959 small constants, since the hw instructions do.
2961 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2963 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2964 previous insn to store directly into our reload register, make sure
2965 that if the source of the previous insn is a reload register, its
2966 spill_reg_store and spill_reg_stored_to values are cleared.
2968 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2970 * rs6000.md (floatunssidf2_internal splitter): Use base register
2971 operand, not hard-coded SP.
2973 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2975 * jump.c (calculate_can_reach_end): Fix thinko.
2977 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2979 * reorg.c (fill_simple_delay_slots): Fix typo.
2981 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2983 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2985 * i386.md (extendsidi2): Use # in the output template.
2986 (extendsidi splitters): New splitters.
2988 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2990 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2992 * configure: Regenerate.
2994 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2996 * jump.c (init_label_info, delete_barrier_successors,
2997 mark_all_labels, delete_unreferenced_labels,
2998 delete_noop_moves, calculate_can_reach_end): New functions broken
2999 out of jump_optimize.
3000 (jump_optimize): Use them.
3002 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3004 * except.c (expand_fixup_region_end): Make sure outer context labels
3005 are not issued in an inner context during cleanups.
3007 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3009 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3012 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3014 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3015 to expose this midpoint to CSE.
3017 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3019 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3021 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3023 * configure.in: Bring over gcc2 change of Nov 19 1997.
3025 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3027 * toplev.c (output_lang_identify): Make definition dependent on
3028 ASM_IDENTIFY_LANGUAGE.
3030 * print-rtl.c (spaces): Make static.
3032 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3034 * extend.texi: Clarify proper uses for register clobbers in asms.
3036 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3038 * recog.h (enum op_type): Define.
3039 (constrain_operands): Adjust prototype.
3040 (recog_op_type): Declare new variable.
3041 * recog.c (recog_op_type): New variable.
3042 (insn_invalid_p): Allow modifying an asm statement after reload.
3043 (extract_insn): Set up recog_op_type.
3044 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3045 Don't compute operand types, use recog_op_type.
3046 Use the information computed by extract_insn instead of the previous
3047 method of finding it by insn code number.
3048 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3049 * reorg.c (fill_slots_from_thread): Likewise.
3050 * reload1.c (reload_as_needed): Likewise.
3051 (gen_reload): Likewise.
3052 (inc_for_reload): Likewise.
3053 (reload_cse_simplify_operands): Likewise.
3054 Use the information computed by extract_insn instead of the previous
3055 method of finding it by insn code number.
3056 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3058 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3059 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3060 Use the information computed by extract_insn instead of the previous
3061 method of finding it by insn code number.
3062 * regmove.c (find_matches): Likewise. Change meaning of the return
3063 value to be nonzero if the optimization can be performed, zero if
3064 not. All callers changed.
3065 Shorten some variable names to fix formatting problems.
3066 (regmove_optimize): Shorten some variable names to fix formatting
3068 Use the information computed by extract_insn instead of the previous
3069 method of finding it by insn code number.
3070 * regclass.c (scan_one_insn): Likewise.
3071 (record_reg_classes): Don't compute operand types, use recog_op_type.
3072 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3073 recog_constraints instead.
3075 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3077 * rtl.h (flow2_completed): Declare.
3078 * flow.c (flow2_completed): Definition.
3079 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3082 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3084 * Makefile.in (libcpp.a): Ranlib libcpp.a
3086 * cppulp.c (user_label_prefix): Initialize.
3088 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3090 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3091 at a RETURN if current_function_sp_is_unchanging is set.
3093 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3095 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3097 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3099 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3100 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3101 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3102 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3103 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3104 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3106 (LIB_SPEC): Handle -mno-cyginw option.
3107 (LINK_SPEC): Handle -mdll.
3109 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3111 * reload.c (find_reloads): Fix test for usage by other reload
3112 to handle secondary reloads properly.
3114 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3116 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3117 intermediate structure which has exactly the members provided by
3118 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3119 static intermediate structure.
3121 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3122 from the intermediate structure. Do the same analogous fix in
3123 the case where ELIMINABLE_REGS is not defined.
3125 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3127 * pa.h (SELECT_SECTION): Fix thinko.
3129 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3131 * dwarf2out.c (output_call_frame_info): Comments on last change.
3133 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3135 * arm.c (add_constant): When taking the address of an item in the
3136 pool, get the mode of the item addressed.
3138 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3139 contain a SET or a PARALLEL, don't consider it for conditional
3142 Restore ABI compatibility for NetBSD.
3143 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3145 (RETURN_IN_MEMORY): Likewise.
3147 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3149 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3150 (m32r_output_block_move): Rewrite bytes < 4 handling.
3152 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3154 * configure.in: Call AC_FUNC_VFORK.
3156 * collect2.c: Define VFORK_STRING as a printable string for
3157 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3158 defined, include vfork.h. If VMS is defined, define vfork()
3159 appropriately. Remove vfork check on USG, we're using autoconf.
3160 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3161 checking locally what string to pass.
3162 (scan_prog_file): Likewise.
3163 (scan_libraries): Likewise.
3165 * gcc.c: Remove vfork check on USG, we're using autoconf.
3166 Besides, no calls to vfork/fork occur in this file.
3168 * protoize.c: Likewise.
3170 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3172 * configure.in (DEFAULT_LINKER): renamed from LD
3173 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3174 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3175 * configure: rebuilt
3177 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3179 * BUGS: fix the regexp for `more' to find the appropriate node.
3180 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3182 * BUGS: added link to the WWW FAQ
3184 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3186 * version.c: Bump for snapshot.
3188 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3190 * From Christian Gafton:
3191 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3192 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3193 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3195 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3197 * c-common.c (c_get_alias_set): Allow all type-punning through
3198 unions. Don't get confused about the type of a bit-field, despite
3199 the antics of build_modify_expr.
3201 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3203 * fixinc.sco: Paramaterize #include_next values.
3204 * fixinc/fixinc.sco: Likewise.
3206 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3208 * toplev.c (rest_of_compilation): No longer set reload_completed.
3209 * reload1.c (reload): Set it here. Perform instruction splitting
3210 after reload has completed if we will be running the scheduler
3213 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3215 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3216 EH region if exceptions are enabled and we're performing cross
3218 (find_cross_jump): Exit loop if the insns are in different EH regions.
3220 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3222 * dwarf2out.c (output_call_frame_info): Use
3223 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3225 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3227 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3228 * c-common.c (check_format_info): Don't check for the 'x'
3229 format character twice, instead check for 'x' and 'X'
3231 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3233 * configure.in (assembler features): Also make gas is configured if
3234 we find it in the souce tree.
3236 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3238 * i386.c (i386_comp_type_attributes): Compare whether the
3239 attributes are defined, not their tree nodes.
3241 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3243 * configure.in (gxx_include_dir): bitten by autoconf quoting
3245 * configure: rebuilt
3247 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3249 * configure.in: Ignore non-absolute value in $AS.
3251 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3253 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3255 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3257 * configure.in (msdosdjgpp): Set exeext and target_alias.
3259 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3261 * flow.c (XNMALLOC): New macro.
3262 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3264 (add_edge, add_edge_to_label): New static functions.
3265 (free_bb_memory): New function.
3266 (flow_delete_insn): Delete function.
3267 (basic_block_drops_in): Delete variable.
3268 (find_basic_blocks): Allocate and initialize basic_block_head,
3269 basic_block_succ. Don't allocate basic_block_drops_in.
3270 Call free_bb_memory at the beginning.
3271 (find_basic_blocks_1): Don't do multiple passes.
3272 Delete code to compute basic_block_drops_in.
3273 After calling make_edges, mark blocks reached by current block live.
3274 Update test for unreachable live blocks.
3275 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3277 Simplify to call add_edge_to_label when a LABEL_REF is found.
3278 (make_edges): Simplify to call add_edge_to_label instead of
3279 mark_label_ref most of the time.
3280 Compute here whether control drops into the next block.
3281 (delete_unreachable_blocks): Return void. All callers changed.
3282 Delete unreachable blocks in reverse order.
3283 After deleting all unreachable blocks, renumber the remaining ones
3284 and update n_basic_blocks.
3285 (delete_block): Speed up deletion a bit.
3286 Don't set basic_block_drops_in for deleted blocks.
3287 (free_basic_block_vars): Don't free basic_block_drops_in.
3288 (life_analysis_1): Update to use new edge representation.
3289 (dump_flow_info): Delete code to print basic block info; call
3290 dump_bb_data instead.
3291 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3292 and uid_block_number.
3293 Simply copy the previously computed cfg.
3294 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3295 Print register lifetime information if LIVE_INFO is nonzero.
3296 * basic-block.h (dump_bb_data): Adjust prototype.
3297 * gcse.c (gcse_main): Update call to dump_bb_data.
3298 * rtl.h (free_bb_memory): Declare.
3299 * toplev.c (rest_of_compilation): Call free_bb_memory.
3301 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3302 (update_eliminable_offsets): Don't compute it.
3303 (set_initial_elim_offsets): Don't initialize it.
3304 Break out some code into set_initial_label_offsets so the rest of
3305 this function can be called from reload_as_needed.
3306 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3307 ELIMINABLE_REGS isn't.
3308 (set_initial_label_offsets): New function, broken out of
3309 set_initial_elim_offsets.
3310 (set_offsets_for_label): New function, broken out of set_label_offsets
3311 and reload_as_needed.
3312 (reload): Call the two new functions.
3313 (reload_as_needed): Call set_initial_elim_offsets instead of
3314 duplicating the code. Likewise for set_offsets_for_label.
3316 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3317 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3318 any hard reg, reg_reloaded_dead contains valid data.
3320 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3322 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3323 "stdcall" and "cdecl" attributes.
3325 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3327 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3328 handle deleted no-op moves of hard registers.
3329 * haifa-sched.c (update_flow_info): Likewise.
3331 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3333 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3334 of the sequences to reload the HILO register which do not actually
3337 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3339 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3341 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3343 * except.c (emit_eh_context): Make the EH context register stay alive
3344 at -O0 so stupid.c doesn't get confused.
3346 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3348 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3350 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3351 Jeffrey A Law (law@cygnus.com)
3353 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3354 (zero_extendsidi2): Use # in output template and handle completely by
3356 (zero_extend splitters): New define_splits.
3357 (ashiftrt_32): New pattern.
3359 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3361 * tree.c (append_random_chars): New fn.
3362 (get_file_function_name_long): Use it.
3364 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3366 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3367 (LIBCPP_OBJS): New. Add cppulp.o.
3368 (cppmain, fix-header): Depend on and use libcpp.a.
3369 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3370 of the individual object files.
3371 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3374 * cccp.c (user_label_prefix): New.
3375 (main): Set it off -f*leading-underscore.
3376 (special_symbol): Use it.
3377 * cpplib.c (special_symbol): Likewise.
3378 (cpp_handle_option): Handle -f*leading-underscore.
3379 * cppulp.c: New file.
3381 * output.h (user_label_prefix): Declare it.
3382 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3383 * toplev.c (f_options, main): Handle -f*leading-underscore.
3385 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3386 referencing USER_LABEL_PREFIX directly.
3387 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3388 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3389 * final.c (asm_fprintf): Use user_label_prefix instead.
3390 * arm/thumb.c (thumb_print_operand): Likewise.
3392 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3393 cpp wherever appropriate.
3395 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3397 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3398 specific compiler switches.
3400 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3402 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3405 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3408 structure which has exactly the members provided by EXTRA_SPECS.
3409 Xmalloc() the real `extra_specs', and initialize it from this
3410 intermediate structure.
3412 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3414 * mips.h (EXTRA_SPECS): Likewise.
3416 * sparc.h (EXTRA_SPECS): Likewise.
3418 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3420 * function.c (purge_addressof_1): Instead of aborting when a
3421 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3422 work just put the ADDRESSOF on stack. Otherwise remember all such
3423 successfull replacements, so that exactly the same replacements
3424 can be made on the REG_NOTEs. Remove the special case for CALL
3426 (purge_addressof_replacements): New variable.
3427 (purge_addressof): Clear it at end.
3429 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3431 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3432 (lang_init): Call check_newline always.
3433 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3434 cpp_start_read, set yy_cur and yy_lim to read from
3435 parse_in.token_buffer, so that we'll see the first #line
3437 * cpplib.c (cpp_start_read): finclude the main input file
3438 before processing -include/-imacros. Process -imacros and
3439 -include separately, and handle -include by stacking a
3440 buffer for the file in question as if it'd been #included.
3441 * toplev.c (documented_lang_options) Recognize -H when
3444 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3446 * cpplib.c: Merge do_once into do_pragma. Break file handling
3447 code out of do_include.
3448 Move append_include_chain, deps_output,
3449 file_cleanup, redundant_include_p, import_hash,
3450 lookup_import, add_import, read_filename_string, read_name_map,
3451 open_include_file, finclude, safe_read to cppfiles.c.
3452 Move prototypes for deps_output, append_include_chain,
3453 finclude to cpplib.h. Move definition of struct
3454 file_name_list there also.
3456 * cppfiles.c: New file. Contains all the above functions
3457 broken out of cpplib.c; also hack_vms_include_specification
3458 from cccp.c and find_include_file, a new function broken out of
3461 * Makefile.in (cppmain): Depend on cppfiles.o.
3462 (fix-header): Likewise.
3463 (cppfiles.o): New target.
3464 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3465 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3467 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3469 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3470 if pending_types is non-zero.
3471 (dwarfout_finish): Verify pending_types is zero before finishing.
3473 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3475 * expr.c (convert_move): Use shifts to perform the move if a
3476 suitable extend pattern cannot be found. Code written by
3477 Richard Henderson <rth@cygnus.com>.
3479 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3481 * regclass.c (renumber, regno_allocated): New static variables, moved
3482 out of allocate_reg_info.
3483 (allocate_reg_info): Move these two variables outside the function.
3484 Move code to free memory into new function free_reg_info.
3485 (free_reg_info): New function, broken out of allocate_reg_info.
3486 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3487 * rtl.h (allocate_reg_info): Don't declare.
3488 (free_reg_info): Declare.
3490 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3492 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3494 * toplev.c (compile_file): Temporarily revert last change.
3496 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3498 * c-typeck.c (convert_for_assignment): Parenthesize.
3500 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3502 * reload1.c (delete_output_reload): Avoid ambigous else.
3504 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3506 * toplev.c (compile_file): Call allocate_reg_info to free register
3508 * rtl.h (allocate_reg_info): Declare.
3510 * PROJECTS: Remove entry for local spilling.
3512 * final.c (cleanup_subreg_operands): New function.
3513 (final_scan_insn): Use it.
3514 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3516 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3517 operands when reload has finished.
3518 * reload.h (cleanup_subreg_operands): Declare..
3519 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3520 reload. Handled in reload itself.
3522 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3524 * reload1.c (verify_initial_offsets): New function.
3525 (reload): Call it after reload_as_needed. Also verify that the frame
3526 size stays constant during reload_as_needed.
3527 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3529 * reload.h (struct insn_chain): Add need_operand_change element.
3530 * reload1.c (new_insn_chain): Clear it.
3531 (calculate_needs_all_insns): Set it; don't overload need_reload.
3532 (reload_as_needed): Use it.
3534 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3535 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3536 and reload_address_index_reg_class.
3537 (find_reloads_address_1): Likewise.
3538 * reload.h (reload_address_base_reg_class,
3539 reload_address_index_reg_class): Don't declare.
3540 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3541 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3542 (used_spill_regs): Now static.
3543 (reload_address_base_reg_class, reload_address_index_reg_class,
3544 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3545 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3546 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3549 (init_reload): Delete code to compute base/index reg classes.
3550 (reload): Delete variable J.
3551 Delete code to manage basic_block_needs.
3552 Don't compute regs_explicitly_used.
3553 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3554 pseudo_previous_regs.
3555 Initialize bad_spill_regs_global.
3556 Don't call order_regs_for_reload here.
3557 Don't initialize spill_reg_order and n_spills.
3558 Don't forbid explicitly used regs to be used for spill regs.
3559 Change main loop to infinite loop, with explicit break statements.
3560 Make SOMETHING_CHANGED variable local to that loop.
3561 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3562 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3563 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3565 Don't call dump_needs.
3566 Delete code to reset potential_reload_regs.
3567 Delete code to terminate loop conditional on the global needs variables
3568 showing no further needs.
3569 (calculate_needs_all_insns): Return void. All callers changed.
3570 Initialize somehing_needs_elimination here, not in reload.
3571 Delete avoid_return_reg kludge.
3572 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3573 All callers changed.
3574 Initialize the group_mode and group_size elements of the arg CHAIN.
3575 Delete code to manage basic_block_needs.
3576 Operate on elements of CHAIN instead of global variables.
3577 Delete avoid_return_reg kludge.
3578 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3579 All callers changed.
3580 Operate on elements of CHAIN instead of global variables.
3581 Delete special SMALL_REGISTER_CLASSES code.
3582 Delete spill_failure code; now in new_spill_reg.
3583 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3584 All callers changed.
3585 Operate on elements of CHAIN instead of global variables.
3586 (maybe_mark_pseudo_spilled): New static function.
3587 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3588 All callers changed.
3589 Operate on elements of CHAIN instead of global variables.
3590 Call order_regs_for_reload here, not in reload.
3591 Initialize spill_reg_order and n_spills.
3592 Simplify test whether an asm insn is involved.
3593 Delete spill_failure code; now in new_spill_reg.
3594 Call maybe_mark_pseudo_spilled for everything marked as live in
3595 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3597 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3598 compiler from optimizing this function (now unused) away.
3599 Operate on elements of CHAIN instead of global variables.
3600 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3602 Operate on elements of CHAIN instead of global variables.
3603 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3604 take CHAIN arg. All callers changed.
3605 Operate on elements of CHAIN instead of global variables.
3606 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3607 CHAIN, NONGROUP args. Return void. All callers changed.
3608 Verify caller isn't trying to spill a pseudo.
3609 Simplify test for illegal reg, just use bad_spill_regs.
3610 Generate better error messages.
3611 Operate on elements of CHAIN instead of global variables.
3612 Mark spilled register in CHAIN's used_spill_regs element.
3613 Don't call spill_hard_reg.
3614 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3615 Mark spilled hard regs in bad_spill_regs_global.
3616 Mark affected pseudos in spilled_pseudos, but don't spill them.
3617 (ior_hard_reg_set): New static function.
3618 (finish_spills): Return int. All callers changed.
3619 Compute spill_reg_order, n_spills and spill_regs here. Also update
3620 regs_ever_live for regs used as spills.
3621 For every pseudo in spilled_pseudos, spill it and mark the previous
3622 hard reg it had in pseudo_previous_regs. Compute which hard regs
3623 arseudo): New static function.
3624 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3625 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3626 hard registers explicitly used across the current insn into the set.
3627 Compute hard_reg_n_uses taking only pseudos live across this insn
3629 Tweak sorting of potential_reload_regs.
3630 (compare_spill_regs): Delete function.
3631 (reload_as_needed): Don't sort the spill_regs array, it's computed
3632 in proper order in finish_spills.
3633 Delete avoid_return_reg kludge.
3634 Delete code to manage basic_block_needs.
3635 (allocate_reload_reg): Minor speed/readability tweaks.
3636 Operate on elements of CHAIN instead of global variables.
3637 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3638 Delete avoid_return_reg kludge.
3639 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3640 Delete unused label FAIL.
3641 (reload_combine): Replce reload_address_index_reg_class with
3643 Don't use used_spill_regs to determine information about lifetime of
3646 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3648 * toplev.c (display_help): Ignore empty target specific
3649 options, and if -W is also specified on the command line then
3650 display undocumented options.
3652 * config/arm/arm.c: Updated with changes in devo sources.
3653 * config/arm/arm.h: Updated with changes in devo sources.
3654 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3655 * config/arm/lib1thumb.asm: Add ELF support.
3657 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3659 * collect2.c (aix64_flag): New variable.
3660 (main, case 'b'): Parse it.
3661 (GCC_CHECK_HDR): object magic number must match mode.
3662 (scan_prog_file): Only check for shared object if valid header.
3663 Print debugging if header/mode mismatch.
3665 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3667 Added support for arm-elf-linux configuration, submitted by Philip
3668 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3669 code developed by Catherine Moore <clm@cygnus.com>. The following
3672 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3675 * configure: Regenerated.
3677 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3678 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3679 definitions conditional on their not having been already defined.
3681 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3682 and .type directives, and add "(PLT)" qualification to function
3685 * config/arm/linux.h: Deleted. This file is now superceeded by
3686 either linux-elf.h or linux-aout.h.
3688 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3689 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3691 Move definitions from old linux.h file here.
3693 * config/arm/elf.h: New file. Generic ARM/ELF support.
3695 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3697 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3699 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3700 using the 26bit APCS.
3702 * config/arm/unknown-elf.h: New file. Support for OS'es other
3703 than Linux with ELF.
3705 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3708 * config/arm/coff.h: Include aout.h for basic assembler macros.
3709 Add support for -mstructure_size_boundary=<n> command line option.
3711 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3712 command line option. Make macro definitions conditional on their
3713 not having been already defined.
3715 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3716 command line option.
3719 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3721 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3722 has been changed to not include a newline. Use this macro instead.
3723 (output_enumeral_list, const_value_attribute, name_attribute,
3724 comp_dir_attribute, prototyped_attribute, producer_attribute,
3725 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3726 dwarfout_file_scope_decl, generate_new_sfname_entry,
3727 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3728 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3730 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3732 * combine.c (subst): Process the inputs to a parallel asm_operands
3735 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3737 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3739 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3741 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3743 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3745 * version.c: Bump for snapshot.
3747 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3749 * stmt.c (expand_fixup): Set fixup->before_jump to a
3750 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3752 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * Makefile.in (recog.o): Depend on toplev.h.
3755 (insn-emit.o): Depend on recog.h.
3756 (insn-peep.o): Depend on recog.h and insn-config.h.
3758 * combine.c (simplify_set): Remove unused variable `scratches'.
3760 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3761 and `idx' in macro conditional controlling their use.
3763 * genemit.c (main): Make the generated output file include
3764 recog.h. Don't have it declare `insn_operand_constraint', since
3765 we get it from recog.h.
3767 * genpeep.c (main): Make the generated output file include
3768 insn-config.h and recog.h.
3770 * recog.c: Include toplev.h.
3771 (extract_insn): Remove unused variable `p'.
3773 * regclass.c (fix_register): Add missing braces around initializer
3775 (allocate_reg_info): Move variable `i' into the scope where it is
3776 used. Change its type to `size_t'.
3778 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3780 * reload.c (push_reload): When merging reloads, make sure
3781 that reload_in_reg and reload_in are from the same reload in
3784 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3786 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3787 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3789 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3791 * loop.c (loop_has_tablejump): New variable.
3792 (prescan_loop): Scan for it.
3793 (insert_bct): Replace explicit scan with use of it.
3794 * regclass.c (regclass): Restore loop variable j.
3795 (record_reg_classes): Deterine op_types modifiers and initialize
3796 classes[i] before matching constraints. Handle matching
3799 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3801 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3804 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3806 * mips.h (EXTRA_SPECS): Add missing initializers.
3808 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3810 * sparc.h (EXTRA_SPECS): Add missing initializers.
3811 (sparc_defer_case_vector): Provide a prototype.
3813 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3814 comparing it to the result of a pointer subtraction.
3816 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3818 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3819 the argument to (unsigned char).
3821 * alpha.h (EXTRA_SPECS): Add missing initializers.
3822 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3825 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3827 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3828 (propagate_block): Delete dead code after reload.
3830 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3831 back Oct 15, 1998 change.
3832 * haifa-sched.c (update_flow_info): Likewise.
3833 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3835 * mn10200.md (truncated shift): Accept constant inputs too.
3837 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3839 * machmode.h (mode_mask_array): No longer const.
3840 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3842 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3844 * frame.c: Somewhat explain `FDE'.
3845 Suggested by Brendan Kehoe
3847 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3849 * expr.c (pending_chain): Move up.
3850 (save_expr_status): Do save pending_chain.
3851 (restore_expr_status): And restore it.
3852 * function.h (struct function): Add pending_chain.
3854 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3856 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3857 did not match the code.
3859 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3861 * regclass.c (regclass): Break out some code into new function
3862 scan_one_insn, and into regclass_init.
3863 (init_cost): New static variable, moved out of regclass.
3864 (regclass_init): Initialize it here, not in .
3865 (scan_one_insn): New static function, broken out of regclass.
3866 * recog.c (apply_change_group): Break out some code into new
3867 function insn_invalid_p.
3868 (insn_invalid_p): New static fn, broken out of apply_change_group.
3870 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3872 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3873 reg_reloaded_contents matches incremented pseudo.
3875 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3877 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3879 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3880 addressing modes with side effects. These are currently
3881 placeholders for the C4x target.
3883 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3885 * loop.c (express_from): Make sure that when generating a PLUS of
3886 a PLUS, any constant expression appears on the outermost PLUS.
3888 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3890 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3891 works if "$(srcdir)" != ".".
3893 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3895 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3896 existing SUBREG if we can, otherwise abort.
3898 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3900 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3901 `restrict' is applied to a non-pointer variable.
3903 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3905 * invoke.texi: Document -flang-isoc9x.
3907 * Makefile.in (OBJS): Add splay-tree.o.
3908 (c-common.o): Depend on rtl.h.
3909 (splay-tree.o): List dependencies and provide build rule.
3911 * rtl.h (record_alias_subset): New function.
3912 * alias.c: Include splay-tree.h.
3913 (alias_set_entry): New type.
3914 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3915 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3916 (mems_in_disjoin_alias_sets_p): New function.
3917 (alias_set_compare): Likewise.
3918 (insert_subset_children): Likewise.
3919 (get_alias_set_entry): Likewise.
3921 * tree.h (TYPE_RESTRICT): New macro.
3922 (TYPE_UNQUALIFIED): New manifest constant.
3923 (TYPE_QUAL_CONST): Likewise
3924 (TYPE_QUAL_VOLATILE): Likewise.
3925 (TYPE_QUAL_RESTRICT): Likewise.
3926 (tree_type): Add restrict_flag. Reduce count of free bits.
3927 (DECL_POINTER_ALIAS_SET): New macro.
3928 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3929 (tree_decl): Add pointer_alias_set.
3930 (build_qualified_type): New function.
3931 (build_type_variant): Define in terms of build_qualified_type.
3932 * tree.c (set_type_quals): New function.
3933 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3934 (build_type_attribute_variant): Use build_qualified_type and
3936 (build_type_variant): Rename, and modify, to become...
3937 (build_qualified_type): New function.
3938 (build_complex_type): Use set_type_quals.
3940 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3941 (C_TYPE_FUNCTION_P): Likewise.
3942 (C_TYPE_INCOMPLETE_P): Likewise.
3943 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3944 (c_apply_type_quals_to_decl): New function.
3945 (c_build_qualified_type): New function.
3946 (c_build_type_variant): Define in terms of c_build_qualified_type.
3947 (flag_isoc9x): Declare.
3948 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3949 (common_type): Change to use TYPE_QUALS.
3950 (comptypes): Likewise.
3951 (convert_for_assignment): Likewise.
3952 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3953 * c-decl.c (flag_isoc9x): Define.
3954 (c_decode_option): Handle -flang-isoc9x.
3955 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3956 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3957 * c-lex.c (init_lex): Deal with restrict.
3958 (init_lex): Don't treat restrict as a reserved word in
3959 -traditional mode, or without -flang-isoc9x.
3960 * c-lex.h (rid): Add RID_RESTRICT.
3961 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3962 equivalent to RID_RESTRICT.
3963 * c-parse.in (TYPE_QUAL): Update comment.
3964 * c-common.c: Include rtl.h.
3965 (c_find_base_decl): New function.
3966 (c_build_type_variant): Rename, and modify, to become ...
3967 (c_build_qualified_type): New function.
3968 (c_apply_type_quals_to_decl): Likewise.
3969 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3970 a particular alias set for the reference.
3971 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3973 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3975 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3976 command line switches.
3978 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3980 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3983 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3985 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3987 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3989 * regclass.c (fix_register): Add error message.
3990 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3993 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * c-decl.c (warn_missing_noreturn): New global variable.
3996 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3997 (finish_function): Implement missing noreturn warning.
3999 * c-tree.h (warn_missing_noreturn): Declare extern.
4001 * invoke.texi: Document new flags.
4003 * toplev.c (documented_lang_options): Add description.
4005 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4007 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4008 loop optimization stable for the C4x.
4009 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4010 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4011 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4013 (c4x_address_conflict): Be more paranoid when packing a volatile
4014 memref in a parallel load/store.
4016 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4018 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4019 repeat_block_filler): Deleted.
4020 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4021 Condition code not set if destination register from 'c' class.
4022 (*subbqi3_carry_clobber): Fix typo.
4024 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4026 * reorg.c (steal_delay_list_from_target) Check for insns that
4027 modify the condition codes and effect the direction of the jump
4030 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4032 * function.c (purge_addressof_1): Replace call to
4033 emit_insns_before() with emit_insn_before().
4035 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4037 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4039 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4041 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4043 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4045 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4046 clobbered across calls.
4048 * loop.c (scan_loop): Be more selective about what invariants are
4049 moved out of a loop.
4051 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4053 * version.c: Bump for snapshot.
4055 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4057 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4058 static eh_context structure.
4060 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4062 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4064 (try_combine): Don't update max_scratch.
4065 * flow.c (max_scratch, num_scratch): Delete variables.
4066 (life_analysis_1): Don't initialize max_scratch.
4067 (propagate_block): Don't update max_scratch.
4068 (mark_set_1): Don't increment num_scratch.
4069 * regs.h (max_scratch): Delete declaration.
4071 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4073 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4074 is nonzero. This is temporary!
4076 * sched.c (update_flow_info): Handle death notes made invalid by
4077 instruction splitting. Partially reverts Oct 15, 1998 patch.
4078 * haifa-sched.c (update_flow_info): Likewise.
4080 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4082 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4083 if it has a nonzero DECL_INITIAL.
4085 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4087 * Makefile.in (flow.o): Depend on recog.h.
4089 * cpplib.h (directive_table): Add missing initializiers.
4090 (finclude): Change type of variable `bsize' to size_t.
4092 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4094 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4096 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4097 `int' when comparing against one.
4098 (cpp_file_line_for_message): Mark parameter `pfile' with
4100 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4102 * flow.c: Include recog.h.
4103 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4105 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4106 `f' with ATTRIBUTE_UNUSED.
4107 (reposition_prologue_and_epilogue_notes): Likewise.
4109 * genopinit.c (gen_insn): Cast argument of ctype functions to
4112 * haifa-sched.c: Include recog.h.
4113 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4114 comparing against one.
4116 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4118 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4120 (parse_ent): Likewise.
4121 (parse_input): Likewise.
4123 * optabs.c (init_libfuncs): Likewise.
4125 * protoize.c (find_rightmost_formals_list): Likewise.
4127 * recog.h (const_double_operand): Fix typo in prototype.
4129 * tlink.c (scan_linker_output): Cast the argument of ctype
4130 function to `unsigned char'.
4132 * toplev.c (check_lang_option): Cast the result of `strlen' to
4133 `int' when comparing against one.
4135 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4137 * gcse.c (dump_cuid_table): Correct typo.
4139 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4141 * toplev.c (display_help): Prepend '-m' to target specific
4143 (check_lang_option): Ignore text after end of first word of a
4144 language specific option.
4146 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4148 * reload1.c (reg_used_by_pseudo): New static variable.
4149 (choose_reload_regs): Initialize it.
4150 Use it instead of testing spill_reg_order to determine whether a
4151 pseudo is live in a hard register across the current insn.
4152 Fix a typo in a reference to reload_reg_rtx.
4154 * flow.c (propagate_block): Replace code that computes and uses
4155 regs_sometimes_live with simpler code that just walks the set of
4156 currently live registers.
4158 * Makefile.in (insn-extract.o): Fix dependencies.
4159 * genextract.c (main): Generate includes for insn-config.h and
4161 Delete generation of declarations which are now in recog.h.
4162 * genrecog.c (main): Delete generation of definitions which are
4164 * local-alloc.c (block_alloc): Use extract_insn and the variables
4165 it sets up instead of looking up values by insn_code.
4166 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4167 recog_dup_num): Define here instead of generating the definition in
4169 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4170 recog_operand_mode, recog_constraints, recog_operand_address_p):
4172 (extract_insn): New function.
4173 * recog.h (extract_insn): Declare function.
4174 (which_alternative, recog_n_operands, recog_n_dups,
4175 recog_n_alternatives, recog_operand_mode, recog_constraints,
4176 recog_operand_address_p): Declare variables.
4177 * regclass.c (n_occurrences): New static function.
4178 * reload.c (n_occurrences): Delete function.
4179 (find_reloads): Use extract_insn.
4180 * reload.h (n_occurrences): Delete declaration.
4182 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4184 * reload1.c (reload_as_needed): Fix test for when to call
4185 update_eliminable_offsets.
4187 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4189 Fix consistency problems with reg_equiv_{mem,address};
4190 Improve reload inheritance;
4192 * reload.c (reload_out_reg): New variable.
4193 (loc_mentioned_in_p, remove_address_replacements): New functions.
4194 (remove_replacements): Deleted.
4195 (push_reload): Set reload_out_reg[i].
4196 When merging, also set reload_{in,out}_reg[i], and remove
4197 duplicate address reloads.
4198 (combine_reloads): Copy reload_out_reg[i].
4199 (find_reloads): Do make_memloc substitution also when
4200 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4202 Include *recog_operand_loc in commutativity operand changes.
4203 Generate optional output reloads.
4204 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4205 processing operands. Call make_memloc in reg_equiv_address code.
4206 Set *recog_operand_loc only after processing operands, and only
4207 if replace is true. Return a value.
4208 When changing address reload types for operands that didn't get
4209 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4210 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4211 Don't emit USEs for pseudo SUBREGs when not replacing.
4212 (find_reloads_address): Do make_memloc substitution also when
4213 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4215 (find_reloads_toplev): Likewise.
4216 Call make_memloc in reg_equiv_address code.
4217 (debug_reload_to_stream): Add code to output reload_out_reg.
4218 (make_memloc): Delete local variable i, ifdefed out code, and
4219 references to memlocs and n_memlocs.
4220 (memlocs, n_memlocs): Delete.
4221 (push_secondary_reload): Clear reload_out_reg.
4222 (find_reloads_address_1): Provide memrefloc argument to all calls
4223 to find_reloads_address.
4224 In AUTO_INC code, handle non-directly addressable equivalences properly.
4225 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4226 (find_reloads): Add return type.
4227 (remove_address_replacements, deallocate_reload_reg): Declare.
4228 * reload1.c (num_not_at_initial_offset): No longer static.
4229 (delete_address_reloads, delete_address_reloads_1): Likewise.
4230 (deallocate_reload_reg): New function.
4231 (spill_reg_stored_to): New array.
4232 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4233 (eliminate_regs_in_insn): Move assignments of previous_offset and
4234 max_offset fields, and recalculation of num_not_at_initial_offset
4235 into new static function:
4236 (update_eliminable_offsets) .
4237 (reload_as_needed): Call update_eliminable_offsetss after calling
4239 Call forget_old_reloads_1 with contents of reloaded auto_inc
4240 expressions if the actual addressing can't be changed to match the
4242 (choose_reload_regs): For inheritance, replace
4243 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4244 remove stand-alone reload_reg_used_at_all test.
4245 Use reload_out_reg to determine which reload regs have output reloads.
4246 Treat reload_override_in more similar to inherited reloads.
4247 Handle (subreg (reg... for inheritance.
4248 For flag_expensive_optimizations, add an extra pass to remove
4249 unnecessary reloads from known working inheritance.
4250 Delete obsolete code for pseudos replaced with MEMs.
4251 Handle inheritance from auto_inc expressions.
4252 (emit_reload_insns): If reload_in is a MEM, set OLD to
4254 Don't reload directly from oldequiv; if it's a pseudo with a
4255 stack slot, use reload_in[j].
4256 Check that reload_in_reg[j] is a MEM before replacing reload_in
4257 from reg_reloaded_contents.
4258 Include non-spill registers in reload inheritance processing.
4259 Also try to use reload_out_reg to set spill_reg_store /
4260 reg_last_reload_reg.
4261 In code to set new_spill_reg_store, use single_set to find out if
4262 there is a single set.
4263 Add code that allows to delete optional output reloads.
4264 Add code to allow deletion of output reloads that use no spill reg.
4265 At the end, set reload_override_in to oldequiv.
4266 Also call delete_output_reload if reload_out_reg is equal to old
4268 Add code to call delete_output_reload for stores with no matching load.
4269 Set / use spill_reg_stored_to.
4270 Handle case where secondary output reload uses a temporary, but
4271 actual store isn't found.
4272 When looking for a store of a value not loaded in order to call
4273 delete_output_reload, count_occurences should return 0 for no
4274 loads; but discount inherited input reloadill_reg_stored_to.
4275 Do checks for extra uses of REG. Changed all
4277 Use delete_address_reloads.
4278 (reload): Take return value of find_reloads into account.
4279 If a no-op set needs more than one reload, delete it.
4280 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4281 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4282 for the same operand.
4283 (clear_reload_reg_in_use): Check for other reloads that keep a
4285 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4286 RELOAD_FOR_OPADDR_ADDR.
4287 Take into account when an address address reload is only needed
4288 for the address reload we are considering.
4289 (count_occurrences): Use rtx_equal_p for MEMs.
4290 (inc_for_reload): Return instruction that stores into RELOADREG.
4291 New argument two, IN, and rtx. Changed all callers.
4292 (calculate_needs_all_insns, reload_as_needed):
4293 Don't clear after_call for a CLOBBER.
4294 Keep track of how many hard registers need to be copied from
4295 after_call, and don't clear after_call before we have seen
4296 that much copies, or we see a different instruction.
4298 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4300 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4301 after reload has completed.
4303 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4305 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4306 a macro name and the next token with a single blank if that whitespace
4307 is in a macro buffer and the next token is not '('.
4309 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4311 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4313 (skip_if_group): Ditto.
4314 (skip_to_end_of_comment): Ditto.
4316 (discard_comments): Ditto.
4317 (change_newlines): Ditto.
4319 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4321 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4323 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4325 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4326 (TARGET_OPTIONS): Add --help documentation.
4328 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4330 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4332 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4334 * fixinc/* Moved in from ../contrib directory in preparation
4335 for integrating it into the normal build process. In particular,
4336 fixinc/Makefile.in must be config-ed into the build directory
4337 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4338 ./configure.in will be "in the mail" momentarily.
4340 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4342 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4343 accidently walk into the free list. Comment how that can happen.
4344 (invalidate): Fix indentation.
4346 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4347 Jeffrey A Law (law@cygnus.com)
4349 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4350 reload. Never perform rescans of the insn chain after reload.
4351 (propagate_block): Do not delete insn or create new autoinc addressing
4354 * jump.c (jump_optimize): Unconditionally use the code that was
4355 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4356 * reload1.c (reload): When reloading is finished, delete all
4357 REG_DEAD and REG_UNUSED notes.
4358 (emit_reload_insns): Delete all code that was conditional on
4359 PRESERVE_DEATH_INFO_REGNO_P.
4360 (no_longer_dead_regs): Delete variable.
4361 (reload_cse_delete_death_notes): Delete function.
4362 (reload_cse_no_longer_dead): Delete function.
4363 (reload_cse_regs_1): Delete all code to handle deletion of death
4365 (reload_cse_noop_set_p): Likewise.
4366 (reload_cse_simplify_set): Likewise.
4367 (reload_cse_simplify_operands): Likewise.
4368 (reload_cse_move2add): Likewise.
4369 * reorg.c (used_spill_regs): Delete declaration.
4370 (max_label_num_after_reload): Delete declaration.
4371 (find_dead_or_set_registers): Don't assume that spill regs are
4372 dead at a CODE_LABEL.
4373 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4375 * sched.c (sched_analyze_insn): Likewise.
4376 (update_flow_info): Likewise.
4377 * haifa-sched.c (sched_analyze_insn): Likewise.
4378 (update_flow_info): Likewise.
4379 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4380 * toplev.c (max_label_num_after_reload): Delete variable.
4381 (rest_of_compilation): Don't set max_label_num_after_reload.
4382 Call life_analysis after reload_cse_regs if optimizing.
4383 * config/gmicro/gmicro.h: Delete comment referring to
4384 PRESERVE_DEATH_INFO_REGNO_P.
4385 * config/i386/i386.h: Likewise.
4386 * config/m88k/m88k.h: Likewise.
4387 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4388 * config/sh/sh.h: Likewise.
4390 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4392 * loop.c (strength_reduce): Restore marking bct_p as
4394 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4395 HAVE_decrement_and_branch_on_count.
4396 (small_data_operand): Remove TARGET_ELF condition for marking
4397 parameters ATTRIBUTE_UNUSED.
4399 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4401 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4402 (SELECT_SECTION): Resync with svr4.h.
4404 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4406 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4409 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4411 * c-pragma.c (handle_pragma_token): Test for null tree before
4412 dereferencing TREE_CODE.
4414 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4416 * config/c4x/c4x.c: Convert to use GEN_INT.
4417 (c4x_parallel_process): Rework to handle new repeat loop structure.
4419 * config/c4x/c4x.md: Convert to use GEN_INT.
4420 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4421 (decrement_and_branch_on_count): Likewise.
4423 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4424 loop.c has the desired functionality.
4425 (rc_reg_operand): New prototype.
4427 * config/c4x/t-c4x: Can now build all front ends.
4429 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4431 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4433 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4435 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4436 * config/t-rtems: Do not install assert.h -- use newlib's.
4438 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4440 * combine.c (combine_instructions): When finished, call init_recog.
4441 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4443 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4445 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4447 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4449 * cppalloc.c (memory_full): Mark function prototype with
4452 * demangle.h (collect_exit): Likewise.
4454 * fix-header.c (v_fatal, fatal): Likewise.
4456 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4459 * gcov.c (print_usage): Likewise.
4461 * genattr.c (fatal, fancy_abort): Likewise.
4463 * genattrtab.c (fatal, fancy_abort): Likewise.
4465 * gencodes.c (fatal, fancy_abort): Likewise.
4467 * genconfig.c (fatal, fancy_abort): Likewise.
4469 * genemit.c (fatal, fancy_abort): Likewise.
4471 * genextract.c (fatal, fancy_abort): Likewise.
4473 * genflags.c (fatal, fancy_abort): Likewise.
4475 * genopinit.c (fatal, fancy_abort): Likewise.
4477 * genoutput.c (fatal, fancy_abort): Likewise.
4479 * genpeep.c (fatal, fancy_abort): Likewise.
4481 * genrecog.c (fatal, fancy_abort): Likewise.
4483 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4484 __sjpopnthrow, __throw): Likewise.
4486 * objc/objc-act.c (objc_fatal): Likewise.
4488 * protoize.c (usage, aux_info_corrupted,
4489 declare_source_confusing): Likewise.
4491 * rtl.c (dump_and_abort): Likewise.
4493 * rtl.h (sets_cc0_p): Likewise.
4495 * toplev.c (float_signal, pipe_closed): Likewise.
4497 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4499 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4500 when generating the decision tree for the general case.
4502 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4503 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4505 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * Makefile.in (sched.o): Depend on recog.h.
4509 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4510 (unsigned) when comparing against one.
4511 (find_base_value): Likewise.
4512 (record_base_value): Cast variable `regno' to (unsigned) when
4513 comparing against one. Cast the result of REGNO() macro to
4514 (unsigned) when comparing against one.
4515 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4517 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4518 variable where an unsigned index is needed.
4520 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4521 before comparing against one.
4523 * collect2.c: Add prototypes for functions `error', `fatal' and
4524 `fatal_perror'. Make these functions take variable arguments
4525 instead of faking it with a fixed number of args.
4526 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4529 * combine.c (can_combine_p): Mark parameter `pred' with
4531 (find_split_point): Cast variable `src' to (unsigned
4532 HOST_WIDE_INT) when comparing against one.
4533 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4534 (simplify_logical): Likewise.
4535 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4536 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4537 HOST_WIDE_INT) in shift.
4538 (simplify_and_const_int): Cast result of INTVAL() macro to
4539 `unsigned HOST_WIDE_INT' when comparing against one.
4540 (merge_outer_ops): Cast variable const0 to `unsigned
4541 HOST_WIDE_INT' when comparing against the result of
4542 GET_MODE_MASK() macro.
4543 (simplify_comparison): Likewise for variable `c0'. Cast variable
4544 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4545 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4546 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4547 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4548 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4549 comparing against one.
4550 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4552 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4553 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4554 (output_block_move): Cast `sizeof' expression to (int) when
4555 comparing against one.
4556 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4558 (save_restore_insns): Cast `base_offset' to `long' to match format
4559 specifier in fprintf.
4561 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4562 to `enum machine_mode'.
4564 * flow.c (life_analysis_1): Remove unused variable `insn'.
4566 * gcc.c (translate_options): Move variables `j' and `k' into the
4567 scope in which they are used. Change their types to `size_t'.
4568 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4569 (read_specs): Likewise.
4570 (process_command): Cast `sizeof' to (int) when comparing against one.
4571 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4572 (handle_braces): Cast both sides of `==' expression to `long' to
4573 ensure sign matching.
4574 (main): Cast variable `i' to `int' when comparing against one.
4576 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4577 int to size_t. Cast variable `i' to size_t when comparing against
4580 * genattrtab.c (convert_set_attr_alternative): Remove unused
4581 parameter `insn_code'. All callers changed.
4582 (convert_set_attr): Likewise.
4584 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4585 size_t when comparing against one. Likewise for variable `len'.
4587 * global.c (global_alloc): Cast variable `max_regno' to size_t
4588 when comparing against one. Likewise for variable `max_allocno'.
4590 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4592 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4593 `set' with ATTRIBUTE_UNUSED.
4594 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4597 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4598 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4599 (get_condition): Cast variable `const_val' to `unsigned
4600 HOST_WIDE_INT' when comparing against one. Cast unsigned
4601 expression to HOST_WIDE_INT when comparing against one.
4602 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4603 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4604 `unsigned' when comparing against one.
4606 * protoize.c (is_id_char): Change type of parameter `ch' to
4608 (munge_compile_params): Cast argument of ctype macro to (const
4610 (process_aux_info_file): Cast variable `aux_info_size' to int when
4611 comparing against one.
4612 (forward_to_next_token_char): Cast argument of ctype macro to
4613 `const unsigned char'.
4614 (edit_formals_lists): Likewise.
4615 (find_rightmost_formals_list): Likewise.
4616 (add_local_decl): Likewise.
4617 (add_global_decls): Likewise.
4618 (edit_fn_definition): Likewise.
4619 (do_cleaning): Likewise.
4620 (scan_for_missed_items): Likewise.
4621 (edit_file): Cast variable `orig_size' to (int) when comparing
4623 (main): Cast argument of ctype macro to `const unsigned char'.
4625 * recog.c (const_int_operand): Mark parameter `mode' with
4628 * regclass.c (record_reg_classes): Change type of variable `c' to
4629 `unsigned char'. Cast `char' array index to `unsigned char'.
4631 * reload.c (push_secondary_reload): Cast argument to
4632 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4634 * reload1.c (calculate_needs): Cast `char' array index to
4636 (set_label_offsets): Change type of variable `i' to unsigned int.
4637 Cast result of XVECLEN() macro to unsigned when comparing against
4639 (mark_not_eliminable): Change type of variable `i' to unsigned.
4640 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4641 when comparing against one.
4642 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4643 comparing against one.
4644 (choose_reload_regs): Hide unused label `fail'.
4645 (reload_cse_simplify_operands): Cast `char' array index to
4647 (reload_combine_note_store): Mark parameter `set' with
4648 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4650 (reload_cse_move2add): Remove unused variable `src2'.
4652 * sched.c: Include recog.h.
4653 (sched_note_set): Remove unused parameter `b'. All callers
4655 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4656 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4657 when comparing against one.
4659 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4660 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4661 comparing against one.
4663 * unroll.c (precondition_loop_p): Remove unused parameter
4664 `loop_end'. All callers changed.
4666 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4668 * reload1.c (maybe_fix_stack_asms): New static function.
4671 * reload.h (compute_use_by_pseudos): Declare.
4673 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4674 (something_needs_reloads): Delete variable.
4675 (finish_spills): New function.
4676 (compute_use_by_pseudos): New function.
4678 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4679 Use the reload_insn_chain instead of walking the rtl directly.
4681 (reload): Allocate and free spilled_pseudos.
4682 Ensure that all calls of spill_hard_reg are followed by a call to
4684 Use the insns_need_reload list instead of something_needs_reloads
4685 to find out if reload_as_needed must be called.
4686 Clear unused_insn_chains at the end.
4688 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4690 Delete code to keep track of current basic block.
4691 Walk reload_insn_chain instead of the rtl structure. Build the
4692 insns_need_reload chain.
4693 Remember which insns need reloading/elimination by setting the
4694 appropriate fields in struct insn_chain, not by putting modes on the
4697 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4698 arg INSN. All callers changed.
4699 Delete declaration of struct needs.
4700 Don't set something_needs_reloads.
4701 Record insn needs in the CHAIN argument.
4703 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4705 (reload_as_needed): Lose FIRST arg. All callers changed.
4706 Walk the reload_insn_chain instead of the rtx structure.
4707 Delete code to keep track of current basic block.
4708 Rename one of the NEXT variables to OLD_NEXT.
4710 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4712 (choose_reload_regs): Likewise.
4714 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4717 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4718 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4719 (hard_regs_live, hard_regs_need_restore): Delete variables.
4720 (n_regs_saved): Now static.
4721 (referenced_regs, this_insn_sets): New variables.
4723 (setup_save_areas): Restructure the code a bit.
4725 (restore_referenced_regs): Delete function.
4726 (mark_referenced_regs): New function, similar to the old
4727 restore_referenced_regs, but mark registers in referenced_regs.
4729 (clear_reg_live): Delete function.
4730 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4731 Only mark registers in this_insn_sets.
4733 (save_call_clobbered_regs): Rework this function to walk the
4734 reload_insn_chain instead of using the list of instructions directly.
4735 Delete code to keep track of register lives, compute live regs on the
4736 fly from information in the chain.
4737 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4738 then walk the set it computes and call insert_restore as appropriate.
4740 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4742 Restructure the code a bit. Test hard_regs_saved instead of
4743 hard_regs_need_restore.
4744 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4745 args. All callers changed.
4746 Restructure the code a bit. Use TO_SAVE to determine which regs to
4747 save instead of more complicated test.
4748 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4750 Create a new insn_chain structure for the new insn and place it
4753 * rtl.texi: Update documentation to reflect that reload no longer
4754 puts modes on the insns.
4756 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4758 * function.c (purge_addressof_1): Force the first argument of a
4759 CALL insn to memory.
4761 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4763 * rtl.h: Delete duplicate prototypes. Add some missing
4765 * rtlanal.c: (for_each_rtx): Formatting tweak.
4767 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4769 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4770 to be compatible with TI compiler.
4772 * Makefile.in (USER_H): Add va-c4x.h to definition.
4774 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4776 * function.c (purge_addressof_1): Fix typo in inequality: do
4777 bitfield optimization for equal mode sizes.
4778 * expmed.c (store_bit_field): Don't take subregs of subregs in
4779 the movstrict case. Tidy a potential problem in the multi-word case.
4780 (extract_bit_field): Likewise.
4782 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4784 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4786 Compute max_uid_for_flow by calling get_max_uid after the scan.
4787 (find_basic_blocks_1): Don't emit NOPs here.
4789 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4791 * alias.c (base_alias_check): Accept new args for the modes of the
4792 two references. Use them to determine if an AND can overlap. Update
4794 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4795 to determine if an AND can overlap.
4797 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4799 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4800 check. Add comment to document problems with TARGET_SUN_FPA version
4802 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4804 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4806 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4808 * c-common.c (print_char_table): Add missing initializers.
4809 (scan_char_table): Likewise.
4810 (time_char_table): Likewise.
4812 * c-decl.c (c_decode_option): Mark parameter `argc' with
4814 (declare_parm_level): Mark parameter `definition_flag' with
4817 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4818 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4821 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4823 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4825 (expand_call): Cast result of MIN() to (unsigned int) when
4826 comparing against an unsigned value.
4828 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4830 (make_definition): Remove unused parameter `op'. All callers
4832 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4833 comparing against the result of pointer arithmetic.
4835 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4836 when comparing against one.
4838 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4839 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4841 (output_die): Move variable `i' into the scope in which it is
4842 used. Change its type to `unsigned'.
4843 (output_die): Cast the result of `strlen' to (int) when passing it
4844 to ASM_OUTPUT_ASCII().
4845 (output_pubnames): Likewise.
4846 (output_line_info): Likewise.
4848 * emit-rtl.c (global_rtl): Add missing initializers.
4850 * explow.c (promote_mode): Mark parameter `for_call' with
4853 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4854 `unsigned HOST_WIDE_INT' when comparing against one.
4855 (synth_mult): Change type of variable `cost' to int.
4856 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4858 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4859 when comparing against one.
4860 (get_inner_reference): Change variable `alignment' to unsigned.
4861 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4862 int) when comparing against one.
4863 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4865 * fold-const.c (div_and_round_double): Cast BASE to
4866 (HOST_WIDE_INT) when comparing against one.
4868 * gencheck.c: Include gansidecl.h.
4869 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4871 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4872 `tcode' with ATTRIBUTE_UNUSED.
4874 * real.c (edivm): Cast constant value to (unsigned long) in
4875 expression compared against an unsigned value.
4877 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4878 comparing against one.
4879 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4880 when comparing against one.
4882 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4883 (unsigned int) when comparing against one. Likewise for
4885 (smallest_mode_for_size): Likewise.
4886 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4887 (restore_storage_status): Likewise.
4889 * toplev.c (debug_args): Add missing initializer.
4890 (f_options): Spelling correction. Add missing initializers.
4891 (documented_lang_options): Likewise.
4892 (debug_end_source_file): Mark parameter `lineno' with
4895 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4896 `decl' and `type' with ATTRIBUTE_UNUSED.
4898 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4899 when comparing against one.
4900 (assemble_variable): Mark parameter `top_level' with
4902 (assemble_external_libcall): Mark parameter `fun' with
4904 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4907 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4909 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4910 Replace use of r5 with use of r19.
4912 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4914 * config/v850/v850.c (compute_register_save_size): Allow for the
4915 fact that helper functions save all registers, not just those used
4918 Replace constant 31 with macro LINK_POINTER_REGNUM.
4920 * config/v850/v850.md: Use 'indirect_operand' rather than
4921 'memory_operand' for bit test/set/clear patterns.
4923 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4925 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4926 * varasm.c (assemble_start_function et al): Don't call
4927 ASM_GLOBALIZE_LABEL for weak symbols.
4929 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4931 * cse.c (equiv_constant): Check for NULL return from
4932 gen_lowpart_if_possible().
4934 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4936 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4938 * collect2.c (main): Pass -EL/-EB through to the compiler.
4940 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4942 * expr.c (push_block): Handle targets where the stack grows
4943 to higher addresses, but args grow to lower addresses and
4944 ACCUMULATE_OUTGOING_ARGS is not defined.
4946 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4948 * config/v850/v850.c (print_operand): Extend meaning
4949 of 'c' operands to support .vtinherit.
4951 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4953 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4954 Added ATTRIBUTE_UNUSED to unused function arguments.
4955 (rc_reg_operand): New predicate.
4956 (c4x_rptb_insert): New function.
4957 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4958 (c4x_optimization_options): New function.
4960 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4961 (decrement_and_branch_on_count): New pattern.
4962 (rptb_top): Modified pattern to work with BCT optimization.
4964 * config/c4x/c4x.h (RC_REG): New register class.
4965 (rc_reg_operand): Define prototype.
4966 (IS_RC_REG): New macro.
4967 (IS_RC_OR_PSEUDO_REG): New macro.
4968 (IS_RC_OR_PSEUDO_REGNO): New macro.
4969 (OPTIMIZATION_OPTIONS): Define.
4971 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4973 * collect2.c (extract_init_priority): No priority is 65535.
4975 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4977 * Makefile.in (build_tooldir): new variable, same as old
4978 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4979 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4980 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4982 * configure.in (gxx_include_dir): set default based on unlibsubdir
4983 * Makefile.in (tooldir): ditto
4984 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4985 gxx_include_dir, includedir and tooldir
4986 (protoize.o, unprotoize.o): ditto
4988 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4990 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4992 * config/arm/thumb.c (thumb_override_options): Add warning about
4993 PIC code not being supported just yet.
4995 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4997 * flow.c: Update comment.
4998 (notice_stack_pointer_modification): New static function.
4999 (record_volatile_insns): Use it.
5000 (mark_regs_live_at_end): Mark the stack pointer as alive
5001 at the end of the function if current_function_sp_is_unchanging
5003 (life_analysis_1): Set current_function_sp_is_unchanging.
5004 * function.c: Define it.
5005 (init_function_start): Initialize it.
5006 * output.h: Declare it.
5007 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5008 the stack pointer as alive at the end of the function if
5009 current_function_sp_is_unchanging is set.
5010 * i386.c (ix86_epilogue): Optimize the restoring
5011 of the stack pointer.
5013 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5015 * version.c: Bump for snapshot.
5017 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5019 * c-pragma.c (handle_pragma_token): If passed a token instead
5020 of a tree, use that as the pack value.
5022 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5024 * flow.c (find_basic_blocks_1): Fix prototype.
5026 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5028 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5029 (struct tree_decl): New fields no_check_memory_usage.
5030 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5031 (init_attributes): Register it as a new attribute.
5032 (decl_attributes): Set flags on functions given that attribute.
5033 * c-decl.c (duplicate_decls): Merge new attribute.
5034 * expr.h (current_function_check_memory_usage): Declare new var.
5035 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5036 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5037 current_function_check_memory_usage.
5038 * function.h: Add field to struct function.
5039 * function.c (current_function_check_memory_usage): Define it.
5040 (push_function_context_to, pop_function_context_from): Save and
5042 (expand_function_start): Set it, based on global flag and function
5045 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5046 check non-automatic variables, to permit detection of writes to
5047 read-only locations in embedded systems without memory management.
5048 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5049 when emitting chkr_set_right_libfunc call, even if the argument is
5050 BLKmode or variable-sized; don't abort.
5052 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5053 symbols in Pmode, not VOIDmode.
5055 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5057 * cppexp.c: When forcing unsigned comparisons, cast both sides
5060 * cpphash.h: Move static declaration of hashtab[]...
5061 * cpphash.c: ...here.
5063 * cpplib.c: Cast difference of two pointers to size_t before
5064 comparing it to size_t. Cast signed to unsigned
5065 before comparing to size_t. (FIXME: struct argdata should use
5066 unsigned buffer sizes.)
5067 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5068 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5069 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5070 size_t before comparison.
5072 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5074 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5075 (find_basic_blocks_1): Similarly.
5076 * output.h (find_basic_blocks): Fix prototype.
5077 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5078 find_basic_blocks anymore.
5080 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5082 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5083 (sbitmap_free, sbitmap_vector_free): New macros.
5084 * output.h (rtl_dump_file): Declare.
5086 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5088 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5090 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5092 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5094 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5095 (divide): Remove unused variable `tmp'.
5096 (si_to_float): Cast numeric constant to (SItype) before comparing
5099 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5101 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5102 * gcc.c (add_preprocessor_option): Correct typo when allocating
5103 memory, sizeof() argument had one too many `*'.
5104 (add_assembler_option): Likewise.
5105 (add_linker_option): Likewise.
5106 * gcov.c (output_data): Likewise.
5107 * local-alloc.c (memref_used_between_p): Likewise.
5108 (update_equiv_regs): Likewise.
5109 * loop.c (strength_reduce): Likewise.
5110 * reg-stack.c (record_asm_reg_life): Likewise.
5111 (subst_asm_stack_reg): Likewise.
5112 * reorg.c (dbr_schedule): Likewise.
5114 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5116 * flow.c (life_analysis_1): Break out some functions.
5117 (find_basic_blocks_1): Likewise. Also move some variables out and
5119 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5120 new static var nonlocal_label_list with it.
5121 (active_eh_region, nested_eh_region, label_value_list,
5122 nonlocal_label_list): New static variables.
5123 (make_edges, delete_unreachable_blocks, delete_block): New static
5124 functions, broken out of find_basic_blocks_1.
5125 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5126 noop_move_p): New static functions, broken out of life_analysis_1.
5128 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5130 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5131 Take extra care for op0 now possibly being a subreg.
5132 (extract_bit_field): Likewise.
5133 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5134 the reg to memory if there is no equal sized integral mode.
5135 * stor-layout.c (int_mode_for_mode): New function.
5136 * machmode.h: Prototype it.
5138 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5140 * global.c (build_insn_chain): Verify no real insns exist past the
5141 end of the last basic block, then exit the loop.
5143 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5145 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5147 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5149 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5151 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5153 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5155 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5157 * flow.c (find_basic_blocks): Correctly determine when a call
5158 is within an exception region.
5160 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5162 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5164 * cpplib.h: Protect from multiple inclusions.
5165 * cpplib.c: Fix minor formatting problems.
5167 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5169 * jump.c (jump_optimize): Revert accidental patch.
5171 * Makefile.in (cpplib.o): Use unlibsubdir.
5173 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5175 * loop.c (get_condition): Allow combine when either compare is
5178 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5180 * version.c: Bump for snapshot.
5182 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5184 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5185 (init_lex): Initialize ridpointers[RID_BYREF].
5186 * c-lex.h (enum rid): Add RID_BYREF.
5187 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5188 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5189 (encode_type_qualifiers): Similarly
5190 * c-gperf.h: Rebuilt.
5192 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5194 * c-common.c (type_for_mode): Only return TItype nodes when
5195 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5196 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5197 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5198 (init_decl_processing): Only create TItype nodes when
5199 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5200 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5201 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5203 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5205 * stmt.c (n_occurrences): New static function.
5206 (expand_asm_operands): Verify that all constrains match in the
5207 number of alternatives.
5208 Verify that '+' or '=' are at the beginning of an output constraint.
5209 Don't allow '&' for input operands.
5210 Verify that '%' isn't written for the last operand.
5211 * reload.c (find_reloads): Abort if an asm is found with invalid
5212 constraints; all possible problems ought to be checked for earlier.
5214 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5216 * flags.h (flag_branch_on_count_reg): Always declare
5217 * toplev.c (flag_branch_on_count_reg): Likewise.
5218 * toplev.c: Fix typos.
5220 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5223 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5225 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5227 (find_basic_blocks_1): Add a nop to the end of a basic block when
5228 a trailing call insn does not have abnormal control flow.
5229 * gcse.c (pre_transpout): New variable.
5230 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5231 (compute_pre_transpout): Calculate it.
5232 (compute_pre_ppinout): Use it to eliminate impossible placements
5233 due to abnormal control flow through calls.
5234 (compute_pre_data): Call compute_pre_transpout.
5236 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5238 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5240 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5242 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5243 and matching define_insns): Tack on a `use' of the table label, so
5244 flow analysis will recognize a tablejump.
5246 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5248 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5249 always end basic blocks for abnormal edge reasons.
5251 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5253 * config/i386/i386.h: Remove definition of
5254 HANDLE_PRAGMA_PACK_PUSH_POP.
5256 * config/i386/go32.h: Add definition of
5257 HANDLE_PRAGMA_PACK_PUSH_POP.
5259 * config/i386/win32.h: Add definition of
5260 HANDLE_PRAGMA_PACK_PUSH_POP.
5262 * config/i386/cygwin32.h: Add definition of
5263 HANDLE_PRAGMA_PACK_PUSH_POP.
5265 * c-pragma.c (insert_pack_attributes): Do not insert
5266 attributes unless #pragma pack(push,<n>) is in effect.
5268 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5270 * expr.c (emit_group_store): Handle a PARALLEL destination.
5272 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5274 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5275 the new insns before the argument regs are loaded.
5277 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5279 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5280 (c-parse.gperf): Update comments describing invocation flags.
5281 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5283 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5285 * reload1.c (reload): Call free before clobbering the memory
5286 locations or constants pointers.
5288 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5290 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5291 for efficiency by checking whether we need to modify the current
5292 stack permission at all.
5293 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5294 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5295 __enable_execute_stack libcall here too if
5296 TRANSFER_FROM_TRAMPOLINE is defined.
5297 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5300 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5302 * Makefile.in (DRIVER_DEFINES): Remove last change.
5304 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5306 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5307 insns we're going to copy.
5308 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5310 * loop.c (count_one_set): Add prototype.
5312 * caller-save.c (restore_referenced_regs): Lose mode argument.
5313 (insert_save): Lose mode argument.
5314 (insert_restore): Lose mode argument.
5315 (insert_one_insn): Lose mode argument.
5316 (save_call_clobbered_regs): Lose mode argument.
5317 (setup_save_areas): Take no argument and return void. All callers
5319 Don't verify validity of memory addresses.
5320 * reload.h (setup_save_ares): Adjust prototype.
5321 (save_call_clobbered_regs): Likewise.
5322 * reload1.c (delete_caller_save_insns): New function.
5323 (caller_save_spill_class): Delete variable.
5324 (caller_save_group_size): Delete variable.
5325 (reload): Call setup_save_areas and save_call_clobbered_regs
5326 in the main loop, before calling calculate_needs_all_insns.
5327 Don't call save_call_clobbered_regs after the loop.
5328 Call delete_caller_save_insns at the end of an iteration if
5330 Delete code to manage caller_save_spill_class.
5331 Emit the final note before setting reload_first_uid.
5332 Simplify test that determines whether reload_as_needed gets run.
5333 (calculate_needs): Delete code to manage caller_save_spill_class.
5335 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5337 * collect2.c (main): Initialize ld_file_name.
5339 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5341 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5342 check for flag_function_sections.
5344 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5346 * cse.c (insert_regs): Fix bug in Sep 24 change.
5348 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5350 * flags.h (flag_dump_unnumbered): Declare.
5351 * toplev.c (flag_dump_unnumbered): Don't declare.
5352 * print-rtl.c (flags.h): Include.
5353 (print_rtl_single): Add return value.
5354 * rtl.h (print_rtl_single): Update declaration.
5355 * flow.c (flag_dump_unnumbered): Don't declare.
5356 (print_rtl_with_bb): Use return value of print_rtl_single.
5358 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5360 * loop.c (count_one_set): New static function, broken out of
5362 (count_loop_regs_set): Call it.
5363 * global.c (mark_reg_store): Handle clobbers here by not calling
5365 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5366 is in fact a clobber.
5367 * integrate.c (process_reg_param): New function, broken out of
5368 expand_inline_function.
5369 (expand_inline_function): Call it.
5372 * i386.md (addsidi3_1): Delete unused variable temp.
5373 (addsidi3_2): Likewise.
5374 (clstrstrsi): Delete unused variable addr1.
5376 * rtl.h: Don't declare any functions also declared in recog.h.
5378 * Makefile.in (stupid.o): Update dependencies.
5379 (global.o): Likewise.
5381 * global.c: Include reload.h
5382 (reg_becomes_live): New function.
5383 (reg_dies): New function.
5384 (build_insn_chain): New function.
5385 (global_alloc): Call build_insn_chain before calling reload.
5387 * reload.h (struct needs): New structure definition.
5388 (struct insn_chain): Likewise.
5389 (reload_insn_chain): Declare variable.
5390 (new_insn_chain): Declare function.
5393 * reload1.c (reload_startobj): New variable.
5394 (reload_insn_chain): New variable.
5395 (unused_insn_chains): New variable.
5396 (new_insn_chain): New function.
5397 (init_reload): Initialize reload_startobj, not reload_firstobj.
5398 (reload): Initialize reload_firstobj.
5399 Before returning, free everything on the reload_obstack.
5401 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5402 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5403 current_chain): New variables.
5404 (reg_where_born): Delete variable.
5405 (REG_WHERE_BORN): New macro.
5406 (find_clobbered_regs): New function.
5407 (stupid_life_analysis): Don't allocate/free reg_where_born.
5408 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5409 reg_where_dead_chain.
5410 Use REG_WHERE_BORN instead of reg_where_born.
5411 While processing the insns, build the reload_insn_chain with
5412 information about register lifetimes.
5413 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5414 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5416 Compute and information about birth and death of pseudo registers in
5417 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5418 Delete code to set elements of reg_where_born.
5420 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5422 * tree.def (GOTO_EXPR): Modified documentation.
5423 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5426 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5428 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5429 loop_final_value, loop_comparison_code): No longer static.
5430 (unroll_loop): Delete loop_start_value update.
5431 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5432 loop_final_value, loop_comparison_code): Extern.
5433 (loop_start_value): Delete extern.
5434 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5435 loop_comparison_value, loop_comparison_code): Delete.
5436 (loop_optimize): Remove initialization for deleted variables.
5437 (strength_reduce): Delete analyze_loop_iterations call. Only call
5438 insert_bct if flag_branch_count_on_reg set.
5439 (analyze_loop_iterations): Delete.
5440 (insert_bct): Remove iteration count calculation. Move checks for
5441 viable BCT optimization to here. Obtain iteration count from
5442 loop_iterations and correct for unrolling. Check for enough
5443 iteration to be beneficial. Comment out runtime iteration count
5445 (insert_bct): Print iteration count in dump file. Remove
5446 loop_var_mode and use word_mode directly.
5448 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5449 * rs6000.c (rs6000_override_options): Use it.
5450 (optimization_options): Enable use of flag_branch_on_count_reg.
5451 * rs6000.md (define_function_unit): Describe 604e.
5453 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5455 * loop.c (move_movables): Corrected threshold calculation for
5456 moved_once registers.
5458 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5460 * loop.c (combine_givs_p): Fix test for identical givs.
5462 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5464 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5465 call abort if the function is already defined.
5467 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5469 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5470 truncation is not a no-op.
5472 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5474 * version.c: Bump for snapshot.
5476 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5478 * version.c: Bump for snapshot.
5480 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5482 * expmed.c (expand_divmod): Don't widen for computing remainder
5483 if we seem to have a divmod pattern for needed mode.
5485 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5487 * cpplib.c (macroexpand): Correct off-by-one error in handling
5490 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5492 * combine.c (expand_field_assignment): Don't do bitwise operations
5493 on MODE_FLOAT; pun to MODE_INT if possible.
5495 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5496 scott snyder <snyder@d0sgif.fnal.gov>
5498 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5499 linker. Recognize mangled names in quotes.
5501 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5503 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5504 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5505 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5506 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5508 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5510 * function.c (purge_addressof_1): If trying to take a sub-word
5511 integral piece of a floating point mode, put it on the stack.
5513 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5515 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5517 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5519 * PROJECTS: Remove template friends.
5521 * collect2.c (sort_ids): Remove unused variable.
5523 * tm.texi (MATH_LIBRARY): Document.
5524 (NEED_MATH_LIBRARY): Remove.
5526 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5527 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5529 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5531 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5532 last_end to 0x7fffffff.
5534 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5536 * function.c (purge_addressof_1): Do not perform endianness
5537 corrections on bitpos, who we call will do it for us.
5539 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5541 * h8300.c (WORD_REG_USED): Fix typo.
5542 (initial_offset): Use WORD_REG_USED.
5544 * h8300.c (handle_pragma): Fix typo.
5546 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5548 * caller-save.c (insert_save_restore): Break this function up
5549 into new functions insert_restore, insert_save and insert_one_insn.
5550 All callers changed.
5551 (insert_restore): New function, mostly broken out of
5552 insert_save_restore.
5553 (insert_save): Likewise.
5554 (insert_one_insn): Likewise.
5555 (restore_referenced_regs): New argument BLOCK. All callers changed.
5556 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5557 in this function, do it in insert_one_insn instead.
5559 * reload1.c (reload): Break out some more pieces into separate
5561 (dump_needs): New function, broken out of reload.
5562 (set_initial_elim_offsets): Likewise.
5563 (init_elim_table): Likewise.
5564 (update_eliminables): Likewise.
5566 * global.c (global_alloc): Delete code to manage the scratch_list.
5567 * local-alloc.c (qty_scratch_rtx): Delete.
5568 (scratch_block): Delete.
5569 (scratch_list): Delete.
5570 (scratch_list_length): Delete.
5571 (scratch_index): Delete.
5572 (alloc_qty_for_scratch): Delete.
5573 (local-alloc): Update initialization of max_qty.
5574 Delete code to manage the scratch list.
5575 Delete code to allocate/initialize qty_scratch_rtx.
5576 (block_alloc): Don't allocate quantities for scratches.
5577 Delete code to manage the scratch list.
5578 * regs.h (scratch_list): Delete declaration.
5579 (scratch_block): Delete declaration.
5580 (scratch_list_length): Delete declaration.
5581 * reload1.c (reload): Delete code to manage the scratch list.
5582 (spill_hard_reg): Likewise.
5583 (mark_scratch_live): Delete.
5585 * recog.c (alter_subreg): Delete declaration.
5587 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5589 * Makefile.in (cccp.o): Fix typo in last patch.
5591 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5593 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5594 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5596 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5598 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5599 NULL_RTX as an argument.
5601 * Makefile.in (unlibsubdir): Define.
5602 (DRIVER_DEFINES): Use unlibsubdir.
5603 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5604 (stmp-fixinc): Similarly.
5606 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5608 * regmove.c (regmove_optimize): Add variable old_max_uid.
5609 At the end of the function, update basic_block_end.
5611 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5613 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5614 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5617 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5619 * config/arm/arm.c: Improve interworking support.
5621 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5623 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5624 copied from reload_out[r] .
5626 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5628 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5629 with more than three size ranges.
5631 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5633 * rtl.c (mode_name): Add a null string at the end of the array.
5634 (mode_wider_mode): Change type to unsigned char.
5635 (mode_mask_array): New variable.
5636 (init_rtl): Update for mode_wider_mode type change.
5638 * rtl.h (mode_wider_mode): Change type to unsigned char.
5639 (mode_mask_array): Declare.
5640 (GET_MODE_MASK): Use mode_mask_array.
5642 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5644 * calls.c (expand_call) : Encapsulate code into
5645 copy_blkmode_from_reg.
5646 * expr.c (copy_blkmode_from_reg): New function.
5647 * expr.h (copy_blkmode_from_reg): New function.
5648 * integrate.c (function_cannot_inline_p): We can inline
5650 (expand_inline_function): Use copy_blkmode_from_reg
5651 if needed. Avoid creating BLKmode REGs.
5652 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5655 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5657 * config/v850/v850.c: Add function prototypes.
5658 Add support for v850 special data areas.
5660 * config/v850/v850.h: Add support for v850 special data areas.
5662 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5663 HANDLE_PRAGMA_PACK_PUSH_POP.
5664 (push_alignment): New function: Cache an alignment requested
5665 by a #pragma pack(push,<n>).
5666 (pop_alignment): New function: Pop an alignment from the
5668 (insert_pack_attributes): New function: Generate __packed__
5669 and __aligned__ attributes for new decls whilst a #pragma pack
5671 (add_weak): New function: Cache a #pragma weak directive.
5672 (handle_pragma_token): Document calling conventions. Add
5673 support for #pragma pack(push,<n>) and #pragma pack (pop).
5675 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5676 are defined enable HANDLE_PRAGMA_PACK.
5677 Move 'struct weak_syms' here (from varasm.c).
5678 Add pragma states for push and pop pragmas.
5680 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5683 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5684 HANDLE_GENERIC_PRAGMAS.
5686 * varasm.c: Move definition of 'struct weak_syms' into
5688 (handle_pragma_weak): Deleted.
5690 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5692 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5694 * c-decl.c (start_function): Add invocation of
5695 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5697 * tm.texi: Remove description of non-existant macro
5698 SET_DEFAULT_SECTION_NAME.
5700 (HANDLE_SYSV_PRAGMA): Document.
5701 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5703 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5705 * config.sub: Recognize i[34567]86-pc-udk as new target.
5706 * configure.in: Likewise.
5707 * config/i386/t-udk: New file.
5708 * config/i386/udk.h: New file.
5710 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5712 * reorg.c (check_annul_list_true_false): Remove unused variables.
5713 (steal_delay_list_from_target): Add missing "used_annul" variable.
5714 (try_merge_delay_insns): Close out half formed comment.
5716 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5718 * cpplib.c (macroexpand): If arg->raw_before or
5719 arg->raw_after, remove any no-reexpansion escape at the
5720 beginning of the pasted token. Correct handling of whitespace
5721 markers and no-reexpand markers at the end if arg->raw_after.
5723 * toplev.c (documented_lang_options): Recognize -include,
5724 -imacros, -iwithprefix, -iwithprefixbefore.
5725 * cpplib.c (cpp_start_read): Process -imacros and -include
5726 switches at the same time and in command-line order, after
5727 initializing the dependency-output code. Emit properly nested
5728 #line directives for them. Emit a #line for the main file
5729 before processing these switches, and don't do it again
5732 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5734 * function.c (purge_addressof_1): Use bitfield manipulation
5735 routines to handle mem mode < reg mode.
5737 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5739 * reorg.c (try_merge_delay_insns): Account for resources referenced
5740 in each instruction in INSN's delay list before trying to eliminate
5741 useless instructions. Similarly when looking at a trial insn's delay
5744 * reorg.c (check_annul_list_true_false): New function.
5745 (steal_delay_list_from_{target,fallthrough}): Call it and also
5746 refine tests for when we may annul if already filled a slot.
5747 (fill_slots_from_thread): Likewise.
5748 (delete_from_delay_slot): Return newly-created thread.
5749 (try_merge_delay_isns): Use its new return value.
5751 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5753 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5754 used to compute a giv or as some other non-counting use.
5756 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5758 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5759 * local-alloc.c (find_free_reg): Use it.
5760 * global.c (find_reg): Likewise.
5761 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5763 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5764 * caller-save.c (init_caller_save): Use it.
5765 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5767 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5769 * configure.in: Add --enable-cpplib option which uses cpplib
5770 for cpp, but doesn't link cpplib into cc1. Make help text
5771 capitalization consistent.
5772 * configure: Rebuilt.
5774 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5776 * function.c (gen_mem_addressof): If the address REG is
5777 REG_USERVAR_P make the new REG be so also.
5778 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5779 in an attempt to clarify slightly.
5781 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5783 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5784 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5786 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5788 * toplev.c: Fix last patch.
5790 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5792 * loop.c (get_condition): Fix typo in May 9 change.
5794 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5796 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5798 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5800 * toplev.c (documented_lang_options): Spelling corrections.
5802 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5804 * configure.in: new flags --with-ld and --with-as, equivalent
5805 to setting LD and AS environment variables. Test whether
5806 specified arguments are GNU commands, and report them with
5807 checking messages. Use the specified AS for configure
5810 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5812 * gcc.c (find_a_file): when looking for `as' and `ld', return
5813 the DEFAULT program if it exists
5814 * collect2.c (main): use DEFAULT_LINKER if it exists
5816 * gcc.c (find_a_file): the test for existence of a full
5817 pathname was reversed
5819 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5821 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5822 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5824 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5826 * tree.h (TYPE_BINFO): Document.
5828 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5830 * i386-coff.h (dbxcoff.h): Added.
5832 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5834 * toplev.c: fix bad patch around flag_data_sections.
5836 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5838 * reload1.c (reload): Use reload_address_index_reg_class and
5839 reload_address_base_reg_class when setting
5840 caller_save_spill_class. (Patch generated by Jim Wilson:
5843 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5845 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5846 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5847 * expr.c (store_field): Add alias_set parameter. Set the
5848 MEM_ALIAS_SET accordingly, if the target is a MEM.
5849 (expand_assignment): Use it.
5850 (store_constructor_field): Pass 0.
5851 (expand_expr): Likewise.
5853 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5855 * flags.h: Add flag_data_sections.
5856 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5857 (compile_file): Error if flag_data_sections not supported.
5858 * varasm.c (assemble_variable): Handle flag_data_sections.
5859 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5860 * config/mips/elf.h: Likewise.
5861 * config/mips/elf64.h: Likewise.
5862 * invoke.texi: Describe -fdata-sections.
5864 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5866 * invoke.texi (-ffloat-store): Clarify that this option
5867 does not affect intermediate results -- only variables.
5869 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5871 * cpp.texi: Update for Fortran usage from Craig.
5873 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5875 * rs6000.c (function_arg_boundary): Revert accidental change on
5878 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5880 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5881 (output_mi_thunk): Declare.
5883 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5884 (output_function_profiler): Use r12 for temp, instead of r11 so
5885 that we preserve the static chain register.
5887 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5889 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5891 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5893 * sh.c (gen_shl_sext): Fix case 5.
5895 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5897 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5899 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5901 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5902 accessing variables until they are initialized via va_arg().
5904 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5906 * reload1.c (reload_combine): Initialize set before using.
5908 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5910 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5913 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5915 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5916 operand3 with mask before using it. Patch provided by Jim Wilson.
5918 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5920 * config/sparc/sparc.c (function_value): Perform the equivalent of
5921 PROMOTE_MODE for ARCH64.
5922 (eligible_for_epilogue_delay): Allow DImode operations in delay
5923 slot of a return for ARCH64.
5925 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5927 * sh.md (sqrtsf2): Fix mode of sqrt.
5929 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5931 * reload1.c (choose_reload_regs): Also try inheritance when
5932 reload_in is a stack slot of a pseudo, even if we already got a
5935 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5937 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5938 (reload_cse_regs): New function body: call reload_cse_regs_1,
5939 reload_combine, reload_cse_move2add.
5940 When doing expensive_optimizations, call reload_cse_regs_1 a
5941 second time after reload_cse_move2add.
5942 (reload_combine, reload_combine_note_store): New functions.
5943 (reload_combine_note_use): New function.
5944 (reload_cse_move2add, move2add_note_store): New functions.
5946 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5948 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5949 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5951 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5952 more than 3 such reloads.
5954 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5955 RELOAD_FOR_X_ADDR_ADDR reload.
5957 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5959 * expr.c (store_constructor): When initializing a field that is smaller
5960 than a word, at the start of a word, try to widen it to a full word.
5962 * cse.c (cse_insn): When we are about to change a register,
5963 remove any invalid references to it.
5965 (remove_invalid_subreg_refs): New function.
5966 (mention_regs): Special treatment for SUBREGs.
5967 (insert_regs): Don't strip SUBREG for call to mention_regs.
5968 Check if reg_tick needs to be bumped up before that call.
5969 (lookup_as_function): Try to match known word_mode constants when
5970 looking for a norrower constant.
5971 (canon_hash): Special treatment for SUBREGs.
5973 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5975 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5976 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5977 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5978 and offsets in actual stack trampoline code so they match the
5979 commentary and actually work.
5981 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5983 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5985 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5986 tmake_file. Set extra_parts to needed crt objects.
5987 * configure: Rebuilt.
5988 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5989 (TARGET_DEFAULT): Set if default is v9 or ultra.
5990 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5991 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5992 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5993 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5994 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5995 (TARGET_VERSION): Define.
5996 (MULTILIB_DEFAULT): Define.
5997 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5998 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5999 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6001 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6002 * config/sparc/sparc.c (sparc_override_options): If arch and
6003 pointer size disagree, emit diagnostic and fix it up. If
6004 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6005 V8PLUS in 64-bit mode.
6006 * config/sparc/t-linux64: New file.
6007 * config/sparc/t-sol2-64: New file.
6008 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6009 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6010 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6011 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6012 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6013 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6015 (STARTFILE_SPEC): Set approriately based upon those.
6016 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6017 disposition of DEFAULT_ARCH32_P.
6018 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6019 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6020 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6021 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6022 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6024 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6026 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6028 * rtl.h (init_virtual_regs): New function.
6029 * emit-rtl.c (init_virtual_regs): Define.
6030 (insn_emit): Use it.
6031 * integrate.c (save_for_inline_copying): Likewise.
6033 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6035 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6036 (enum reg_class): Add NONARG_LO_REGS support.
6037 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6038 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6039 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6040 completes. Re-enable HImode REG+OFFSET addresses.
6041 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6043 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6045 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6047 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6048 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6049 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6051 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6053 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6054 jumps as a single entity, taking into account the size of the
6057 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6059 * tree.def (SWITCH_EXPR): New tree node definition.
6061 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6063 * version.c: Bump for snapshot.
6065 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6067 * version.c: Bump for snapshot.
6069 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6071 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6074 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6076 * Revert this patch.
6077 * reload.c (find_reloads): Do not replace a pseudo with
6078 (MEM (reg_equiv_addr)) in the initializing insn for the
6081 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6083 * final.c (final_scan_insn): Disable tracking CC across branches.
6085 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6087 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6088 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6089 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6090 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6091 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6093 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6095 * toplev.c (rest_of_compilation): Skip compiling anything with
6096 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6098 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6100 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6101 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6102 use in_libcall_block.
6103 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6104 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6107 Mon Sep 21 14:02:23 1998
6109 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6110 typo in no-fancy-math-387 description.
6112 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6114 * version.c: Bump for snapshot.
6116 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6118 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6120 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6122 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6123 documented in install.texi.
6124 (TARGET_OPTIONS) Likewise.
6126 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6128 * version.c: Bump for snapshot.
6130 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6132 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6133 * cccp.c (main): Likewise.
6135 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6136 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6139 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6141 * Makefile.in (LIBS): Link in libiberty.a.
6142 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6144 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6146 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6147 it to update bb boundaries. Update caller.
6148 * function.c (reposition_prologue_and_epilogue_notes): Update
6149 bb boundaries wrt the moved note.
6151 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6153 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6155 * configure: Regenerate.
6157 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6159 * alpha.c (alpha_sr_alias_set): New variable.
6160 (override_options): Set it.
6161 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6162 (mode_mask_operand): Fix signed-unsigned comparision warning.
6163 (alpha_expand_block_move): Likewise.
6164 (print_operand): Likewise.
6165 (get_aligned_mem): Use change_address.
6166 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6167 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6168 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6169 (alpha_align_insns): Remade from old alphaev5_align_insns
6170 to handle multiple processors.
6171 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6172 * output.h (label_to_alignment): Prototype.
6174 * tree.c (new_alias_set): New function.
6175 * tree.h (new_alias_set): Declare it.
6176 * c-common.c (c_get_alias_set): Use it.
6178 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6180 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6181 to an ABS expr, convert an unsigned input to signed.
6183 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6185 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6187 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6189 * configure.in: Add support for c4x targets.
6190 * configure: Rebuilt.
6192 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6194 * combine.c (distribute_notes): If an insn is a cc0 user, only
6195 delete it if we can also delete the cc0 setter.
6197 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6199 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6200 (invert_truthvalue): Enable truthvalue inversion for
6201 floating-point operands if -ffast-math.
6203 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6205 * configure.in: Disable collect2 for nextstep. Instead use
6207 * configure: Rebuilt.
6208 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6209 (ENDFILE_SPEC): Define.
6210 (OBJECT_FORMAT_MACHO): Define.
6211 (EH_FRAME_SECTION_ASM_OP): Define.
6212 * crtstuff.c: Handle MACHO.
6214 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6216 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6218 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6220 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6221 (_fpadd_parts): Get sign right for 0.
6223 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6225 * ginclude/varargs.h: Add support for C4x target.
6226 * ginclude/stdargs.h: Likewise.
6228 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6230 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6231 (alpha_emit_set_long_const): Rewrite to be callable from reload
6233 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6234 * alpha.md (movdi): Likewise.
6236 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6238 * arm.c (add_constant): New parameter address_only, change caller.
6239 Set it non-zero if taking the address of an item in the pool.
6240 (arm_reorg): Handle cases where we need the address of an item in
6243 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6245 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6246 memory addresses that are not in standard canonical form.
6248 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6250 * README.C4X: New file with information about the c4x ports.
6251 * ginclude/va-c4x.h: New file for c4x varargs support.
6252 * config/c4x: New directory with c4x port files.
6254 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6256 * reload.c (find_reloads): Do not replace a pseudo with
6257 (MEM (reg_equiv_addr)) in the initializing insn for the
6260 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6262 * toplev.c (rest_of_compilation): Set bct_p on second call to
6264 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6266 (strength_reduce): Only call analyze_loop_iterations and
6267 insert_bct if bct_p set.
6268 (check_dbra_loop): Fix typo.
6269 (insert_bct): Use word_mode instead of SImode.
6270 (instrument_loop_bct): Likewise. Do not delete iteration count
6271 condition code generation insn. Initialize iteration count before
6273 * rtl.h (loop_optimize): Update prototype.
6275 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6276 not doubleword aligned.
6278 * rs6000.c (optimization_options): New function.
6279 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6280 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6281 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6282 first; cr1 can be used for FP record condition insns.
6284 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6286 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6289 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6292 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6294 (block_move_call): New function: Call a library routine to copy a
6296 (m32r_expand_block_move): New function: Expand a "movstrsi"
6297 pattern into a sequence of insns.
6298 (m32r_output_block_move): New function: Expand a
6299 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6300 (m32r_block_immediate_operand): New function: Return true if the
6301 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6303 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6305 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6307 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6309 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6311 * regmove.c (copy_src_to_dest): Check that modes match.
6313 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6315 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6317 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6319 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6320 narrower than FLOAT_REGS.
6322 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6324 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6326 * Makefile.in (old_gxx_include_dir): removed
6328 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6330 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6333 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6334 (sh_handle_pragma): Change function arguments to match new
6335 specification for HANDLE_PRAGMA.
6337 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6339 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6341 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6342 When generating output, initialize missing struct member to zero.
6344 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6346 * regmove.c (copy_src_to_dest): Don't copy if that requires
6347 (a) new register(s).
6349 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6351 * global.c (reg_allocno): Now static.
6352 * reload1.c (reg_allocno): Delete declaration.
6353 (order_regs_for_reload): Take no arguments. Don't treat regs
6354 allocated by global differently than those allocated by local-alloc.
6356 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6358 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6359 condition, fix format strings.
6360 (output_function_epilogue): Likewise.
6362 * m68k/m68k.c: Don't include <stdlib.h> directly.
6364 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6366 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6367 mem_first_set, mem_last_set; because 0 can be a CUID.
6368 (oprs_unchanged_p): Use new definition.
6369 (record_last_reg_set_info): Likewise.
6370 (record_last_mem_set_info): Likewise.
6371 (compute_hash_table): Likewise.
6373 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6375 * rs6000.c (output_epilogue): Handle Chill.
6377 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6378 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6380 * combine.c (make_extraction): If no mode is specified for
6381 an operand of insv, extv, or extzv, default it to word_mode.
6382 (simplify_comparison): Similarly.
6383 * expmed.c (store_bit_field): Similarly.
6384 (extract_bit_field): Similarly.
6385 * function.c (fixup_var_regs_1): Similarly.
6386 * recog.c (validate_replace_rtx_1): Similarly.
6387 * mips.md (extv, extzv, insv expanders): Default modes for most
6388 operands. Handle TARGET_64BIT.
6389 (movdi_uld, movdi_usd): New patterns.
6391 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6392 equivalent memory location unless we have been provided a scratch
6393 register. Similarly do not call find_replacement unless a
6394 scratch register has been provided.
6396 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6398 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6401 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6403 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6404 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6405 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6406 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6407 * c-decl.c (init_decl_processing): Update accordingly.
6408 * expr.c (expand_builtin): Likewise.
6410 * rtl.h (global_rtl): Add cfa entry.
6411 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6412 (LAST_VIRTUAL_REGISTER): Update.
6413 * emit-rtl.c (global_rtl): Add cfa entry.
6414 (init_emit): Initialize it.
6415 * function.c (cfa_offset): New.
6416 (instantiate_virtual_regs): Initialize it.
6417 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6418 (expand_function_end): Call expand_eh_return.
6419 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6421 * except.c (current_function_eh_stub_label): Kill.
6422 (current_function_eh_old_stub_label): Likwise; update all references.
6423 (expand_builtin_set_return_addr_reg): Kill.
6424 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6425 (expand_builtin_set_eh_regs): Kill.
6426 (eh_regs): Produce a third reg for the actual handler address.
6427 (eh_return_context, eh_return_stack_adjust): New.
6428 (eh_return_handler, eh_return_stub_label): New.
6429 (init_eh_for_function): Initialize them.
6430 (expand_builtin_eh_return, expand_eh_return): New.
6431 * except.h: Update prototypes.
6432 * flow.c (find_basic_blocks_1): Update references to the stub label.
6433 * function.h (struct function): Kill stub label elements.
6435 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6436 register number is one that would be in the previous window.
6437 Provide a dummy definition for non-windowed targets.
6438 (get_reg_addr): New function.
6439 (get_reg, put_reg, copy_reg): Use it.
6440 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6441 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6443 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6444 (alpha_init_expanders): Initialize it.
6445 (alpha_expand_epilogue): Use it.
6446 * alpha.h: Declare it.
6447 * alpha.md (eh_epilogue): New.
6449 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6450 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6452 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6454 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6457 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6459 * except.h (struct eh_entry): Add false_label field.
6460 (end_catch_handler): Add prototype.
6461 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6462 (start_catch_handler): When using old style exceptions, issue
6463 runtime typematch code before continuing with the handler.
6464 (end_catch_handler): New function, generates label after handler
6465 if needed by older style exceptions.
6466 (expand_start_all_catch): No need to check for new style exceptions.
6467 (output_exception_table_entry): Only output the first handler label
6468 for old style exceptions.
6469 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6470 mechanism into one function, if a runtime matcher is provided.
6472 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6474 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6476 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6478 * integrate.c (copy_decl_list): Fix typo.
6480 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6482 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6485 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6487 * version.c: Bump for snapshot.
6489 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6491 * version.c: Bump for snapshot.
6493 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6495 * version.c: Bump for snapshot.
6497 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6499 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6501 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6503 * configure.in: remove usage of `!' to negate the result of a
6504 command; some common shells do not support it
6506 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6508 * configure.in: in sparc9-sol2 config, use 'if test' not
6510 * configure: Rebuilt.
6512 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6514 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6515 (CPP_CPU_DEFAULT_SPEC): Likewise.
6516 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6517 for arch64 libfuncs.
6519 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6522 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6524 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6526 * collect2.c: Don't declare `sys_siglist' here.
6527 (my_strsignal): Prototype and define new function. Use it in
6528 place of `sys_siglist' hacks.
6530 * mips_tfile.c: Likewise.
6532 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6533 (GCC_NEED_DECLARATIONS): Likewise.
6535 * system.h (strsignal): Prototype it, if necessary.
6536 (sys_siglist): Declare it, if necessary.
6538 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6540 * loop.c (move_movables): While removing insn sequences, preserve
6541 the next pointer of the most recently deleted insn when we skip
6544 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6546 * objc/config-lang.in: Do not output the name of the selected
6547 thread file when building the front-end. The Makefile for the
6548 runtime library will do this.
6550 * objc/Make-lang.in: Do not build the runtime library or install
6551 the Objective C header files. The Makefile for the runtime
6552 library will do this.
6554 * objc/Makefile.in (all.indirect): Only build the front-end.
6555 (compiler): Rename to `frontend'.
6556 (obj-runtime): Remove target.
6557 (copy-headers): Likewise.
6558 (clean): No need to remove `libobjc.a' any longer.
6560 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6562 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6563 supported with -mcpu=xxx.
6565 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6567 * flow.c (mark_set_1): Recognize multi-register structure return
6568 values in CALL insns.
6569 (mark_used_regs): Likewise.
6570 (count_reg_sets_1): Likewise.
6571 (count_reg_references): Likewise.
6572 * rtlanal.c (note_stores): Likewise.
6573 (reg_overlap_mentioned_p): Likewise.
6574 * haifa-sched.c (check_live_1): Likewise.
6575 (update_live_1): Likewise.
6576 (sched_analyze_1): Likewise.
6577 (sched_note_set): Likewise.
6578 (birthing_insn_p): Likewise.
6579 (attach_deaths): Likewise.
6581 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6584 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6586 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6588 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6590 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6592 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6594 * configure.in: Add check for GAS subsection -1 support.
6595 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6596 * configure config.in: Rebuilt.
6597 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6598 SImode is subsection -1 works, else use DImode.
6599 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6600 subsection -1 works.
6601 * config/sparc/sparc.c (sparc_output_addr_vec,
6602 sparc_output_addr_diff_vec): Use them if defined.
6604 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6606 * tree.h (DECL_ORIGIN): New macro.
6607 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6608 (copy_decl_list): Use it.
6609 (integrate_parm_decls): Likewise.
6610 (integrate_decl_tree): Likewise.
6611 * dwarf2out.c (decl_ultimate_origin): Simplify.
6612 * dwarfout.c (decl_ultimate_origin): Likewise.
6613 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6614 (pushdecl): Likewise.
6616 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6618 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6620 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6622 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6624 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6626 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6627 empty or has a single entry.
6629 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6630 before calling reg_to_stack.
6632 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6634 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6635 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6637 * c-tree.h (warn_long_long): Declare it.
6639 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6641 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6642 initialized float-int union if the value is a NaN.
6644 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6646 * c-lex.c (real_yylex): Don't warn about long long constants if
6647 we're allowing long long
6649 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6651 * except.h (current_function_eh_stub_label): Declare.
6652 (current_function_eh_old_stub_label): Declare.
6653 * function.h (struct function): New members eh_stub_label and
6655 * except.c (current_function_eh_stub_label): New variable.
6656 (current_function_eh_old_stub_label): New variable.
6657 (init_eh_for_function): Clear them.
6658 (save_eh_status): Save them.
6659 (restore_eh_status): Restore them.
6660 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6661 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6662 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6663 make an edge from the block that contains it to the block starting
6664 with the label if this label is one of the eh stub labels.
6665 If eh stub labels exist, show they are reachable from the last block
6668 * reload1.c (reload): Break out several subroutines and make some
6670 (calculate_needs_all_insns): New function, broken out of reload.
6671 (calculate_needs): Likewise.
6672 (find_reload_regs): Likewise.
6673 (find_group): Likewise.
6674 (find_tworeg_group): Likewise.
6675 (something_needs_reloads): New global variable, formerly in reload.
6676 (something_needs_elimination): Likewise.
6677 (caller_save_spill_class): Likewise.
6678 (caller_save_group_size): Likewise.
6679 (max_needs): Likewise.
6680 (group_size): Likewise.
6681 (max_groups): Likewise.
6682 (max_nongroups): Likewise.
6683 (group_mode): Likewise.
6684 (max_needs_insn): Likewise.
6685 (max_groups_insn): Likewise.
6686 (max_nongroups_insn): Likewise.
6687 (failure): Likewise.
6689 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6691 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6693 * loop.c (load_mems): Copy rtx for output mem.
6695 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6697 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6698 mips1 or mips2 either.
6700 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6702 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6704 (pa_adjust_insn_length): Update to work with new marking scheme
6705 for jumps inside switch tables.
6706 * pa.md (switch_jump): Remove pattern.
6707 (jump): Handle jumps inside jump tables.
6709 * Makefile.in (profile.o): Depend on insn-config.h
6711 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6713 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6715 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6717 Add preliminary native sparcv9 Solaris support.
6718 * configure.in: Recognize sparv9-*-solaris2*
6719 * configure: rebuilt
6720 * config.sub: Recognize sparcv9 just like sparc64.
6721 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6722 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6723 32-bit and 64-bit Solaris systems.
6724 * config/sparc/t-sol2: Assemble those with cpp.
6725 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6726 (*TF*_LIBCALL): If ARCH64 use V9 names.
6727 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6729 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6731 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6732 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6734 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6736 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6737 to Pmode if CASE_VECTOR_MODE is something else.
6739 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6741 * prefix.c (update_path): Correctly handle cases where PATH is
6742 a substring of the builtin prefix, but specifies a different
6745 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6747 * expr.c: Corrected comment about what MOVE_RATIO does.
6748 * config/alpha/alpha.h: Ditto.
6749 * config/1750a/1750a.h: Ditto.
6750 * config/clipper/clipper.h: Ditto.
6751 * config/i386/i386.h: Ditto.
6753 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6755 * configure.in (m68k-next-nextstep3*): Use collect2.
6756 Similarly for x86 NeXT configurations.
6757 * configure: Rebuilt.
6759 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6761 * configure.in: Don't assume srcdir is .../gcc
6762 * configure: Rebuilt.
6764 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6766 * global.c: Update comments.
6767 (global_alloc): Assign allocation-numbers
6768 even for registers allocated by local_alloc in case
6769 they are later spilled and retry_global_alloc is called.
6770 (mark_reg_store, mark_reg_clobber,
6771 mark_reg_conflicts, mark_reg_death): Always record a
6772 conflict with a pseudo register even if it has been
6773 assigned to a hard register.
6774 (dump_conflicts): Don't list pseudo registers already assigned to
6775 a hard register as needing to be allocated, but do list their
6777 * local-alloc.c: Update comment.
6779 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6781 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6782 * configure: Rebuilt.
6784 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6786 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6788 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6789 for all targets that set -msoft-float.
6791 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6793 * toplev.c (print_switch_values): Make static to match prototype.
6795 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6797 * configure.in: If we are unable to find the "gnatbind" program,
6798 then do not configure the ada subdir.
6799 * configure: Rebuilt.
6801 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6803 * version.c: Bump for snapshot.
6805 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6807 * version.c: Bump for snapshot.
6809 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6811 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6812 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6814 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6816 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6818 * genextract.c: Have insn-extract.c include toplev.h.
6820 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6822 * toplev.c: Include expr.h.
6823 (really_sorry, fancy_abort): Remove prototypes.
6824 (set_target_switch): Add argument in prototype.
6825 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6826 (v_really_sorry): Likewise.
6827 (print_version, print_single_switch, print_switch_values): Make
6828 static and add prototype arguments.
6829 (decl_printable_name): Add prototype arguments.
6830 (lang_expand_expr_t): New typedef.
6831 (lang_expand_expr): Declare as a lang_expand_expr_t.
6832 (incomplete_decl_finalize_hook): Add prototype argument.
6833 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6834 (botch): Likewise for variable `s'.
6835 (rest_of_type_compilation): Mark variables `type' and `toplev'
6836 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6837 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6838 (display_help): Make variable `i' an `unsigned long'.
6839 (main): Remove unused parameter `envp'.
6840 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6841 Cast -1 when comparing it with a `size_t'.
6843 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6844 prototype with ATTRIBUTE_NORETURN.
6845 (fatal_insn_not_found, fatal_insn, really_sorry,
6846 push_float_handler, pop_float_handler): Add prototypes.
6847 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6848 (do_abort, botch): Add prototypes.
6850 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6852 * final.c (final): If a label is reached only from a single jump,
6853 call NOTICE_UPDATE_CC on the jump and its predecessor before
6854 emitting the insn after the label.
6856 * i386.h: Add AMD K6 support.
6857 Change TARGET_* macros to use table lookup.
6858 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6859 (ADJUST_COST): Change definition to call function in i386.c.
6860 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6861 * i386.c: Add AMD K6 support.
6862 Add constants for feature tests used by TARGET_* macros.
6863 (split_di): If before reload, call gen_lowpart and gen_highpart.
6864 (x86_adjust_cost): New function.
6865 (put_jump_code): New function.
6866 (print_operand): New codes 'D' and 'd'.
6867 * i386.md: New insn types. New insn attribute "memory".
6868 Redefine scheduling parameters to use new types and add AMD K6
6869 support. Explicitly set type of most insns.
6870 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6871 Pro and K6 prefer movl $1,reg to incl reg.
6872 (adddi3, subdi3): Set cc_status.
6873 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6874 to int; x86 can't have more than 2^31 DImode shifts per file.
6875 (setcc): Combine all setcc patterns. Allow writing memory.
6876 Combine all jump patterns using match_operator.
6877 (*bzero): Name pattern. Emit mutliple stos instructions when that
6878 is faster than rep stos.
6879 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6882 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6884 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6887 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6889 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6890 not whatever we're generating now.
6892 * alpha.c (set_frame_related_p, FRP): New.
6893 (alpha_expand_prologue): Mark frame related insns.
6894 (alpha_expand_epilogue): Likewise, but with a null FRP.
6895 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6896 * alpha.md (exception_receiver): New.
6897 * alpha/crtbegin.asm (.eh_frame): New beginning.
6898 (__do_frame_setup, __do_frame_takedown): New.
6899 * alpha/crtend.asm (.eh_frame): New ending.
6900 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6901 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6902 (ASM_FILE_START): Don't emit .file for dwarf2.
6904 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6905 * rtl.c (reg_note_name): Likewise.
6906 * rtl.texi (REG_NOTES): Likewise.
6907 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6910 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6912 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6913 * i386.md (movsf, movdf, movxf): Validate memory address returned
6914 from force_const_mem. Kill useless REG_EQUAL setting code.
6916 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6918 * m68k.md (zero_extendsidi2): Fix typo.
6920 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6922 * configure.in: Removed references to the removed file
6923 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6924 * arm*-*-netbsd* and ns32k-*-netbsd*.
6925 * config/i386/xm-netbsd.h: Removed unnecessary file.
6926 * config/m68k/xm-netbsd.h: Likewise.
6927 * config/sparc/xm-netbsd.h: Likewise.
6928 * config/mips/xm-netbsd.h: Likewise.
6930 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6932 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6933 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6935 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6936 for exact section attributions.
6938 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6940 * i386/crtdll.h (CPP_PREDEFINES): Define.
6942 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6944 * m68k.md (5200 movqi): Do not allow byte sized memory references
6946 * m68k.c (output_move_qimode): Do not use byte sized operations on
6949 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6950 explicit rules for building. Similarly for alloca, vfprintf,
6951 choose-temp and mkstemp, getopt, getopt1, and obstack.
6952 (INCLUDES): Add $(srcdir)/../include.
6953 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6954 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6956 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6958 * gcc.c (do_spec_1): [case 'o'] Account for
6959 lang_specific_extra_outfiles.
6960 (main): Correctly clear all slots in outfiles for
6961 lang_specific_extra_outfiles. Set input_file_number before
6962 calling lang_specific_pre_link.
6964 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6966 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6968 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6970 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6972 (sparc_output_deferred_case_vectors): If no work to do, return.
6973 Fix thinko in Sept 1 change.
6975 1998-09-03 SL Baur <steve@altair.xemacs.org>
6977 * Makefile.in: add semicolon in BISON definition for portability.
6979 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6981 * config/nextstep.c (handle_pragma): Correct name of third
6984 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6986 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6987 * config/m32r/m32r.h: Make register 17 be fixed.
6988 * config/m32r/m32r.c: Use SImode for cc operations.
6990 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6992 * invoke.texi (Warning Options): Add -Wnon-template-friend
6995 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6997 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6999 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7001 * rs6000.md (movsf): Disable explicit secondary-reload-like
7002 functionality if TARGET_POWERPC64.
7003 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7006 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7008 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7009 and term.h from fixinc.wrap.
7011 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7014 safe to include both string.h and strings.h together.
7015 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7016 which headers to search for function declarations. Continue to
7017 prefer string.h over strings.h when both are not acceptable.
7019 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7021 * configure.in: Call GCC_HEADER_STRING.
7023 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7024 to include. Continue to prefer string.h over strings.h when both
7027 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7029 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7030 not assume top 32-bits of symbolic addresses are zero if
7033 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7035 * ginclude/va-alpha.h: Protect entire second portion of the
7036 file against double inclusion.
7038 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7040 Added support for the Boehm's garbage collector.
7041 * configure.in: Handle --enable-objc-gc.
7042 * configure: Rebuilt.
7043 * Makefile.in (CHECK_TARGETS): Add check-objc.
7044 (check-objc): New rule.
7045 * objc/Make-lang.in: Build a different Objective-C library that
7046 runs with the Boehm's collector.
7047 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7048 * objc/encoding.c: Correctly compute the size of compound types in
7049 the presence of bitfields. Skip the variable name of the type if
7050 any. Added support for long long.
7051 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7052 (_F_GCINVISIBLE): New mask.
7053 * objc/gc.c: New file. Compute the type memory mask associated with
7054 a class based on the runtime information.
7055 * objc/misc.c: Added the hooks that use the Boehm's collector
7056 allocation functions.
7057 * objc/objc-act.c (build_class_template): Generate a new class
7058 member (gc_object_type) to hold the class' type memory mask.
7059 (build_shared_structure_initializer): Initialize the new member to
7061 (encode_complete_bitfield): New function. Generate the new
7063 (encode_field_decl): Generate the new encoding only for the GNU
7065 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7067 (class_get_gc_object_type): New function to mark a pointer instance
7068 variable as a weak pointer.
7069 * objc/objc-features.texi: New file.
7070 * objc/objc.h (gc_object_type): New class member.
7071 * objc/objects.c (class_create_instance): Create a typed memory
7072 object when compiled with Boehm's collector support.
7073 * objc/sendmsg.c (__objc_init_install_dtable): Call
7074 __objc_send_initialize instead of setting the initialize flag.
7075 (__objc_send_initialize): Call __objc_generate_gc_type_description
7076 to generate the class type memory mask. Rewrite the code that
7077 sends the +initialize so that it is called only once (bug report
7078 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7079 * testsuite/objc: New testsuite for Objective-C type encoding.
7080 * testsuite/lib/objc-torture.exp: New file.
7081 * testsuite/lib/objc.exp: New file.
7083 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7085 * jump.c (jump_optimize): In if/then/else transformations, add
7086 another call to modified_between_p for the jump insn.
7088 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7090 * fix-header.c (symlink): Treat like readlink.
7092 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7094 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7097 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7099 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7100 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7101 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7103 * config/nextstep.c (handle_pragma): Take three arguments, as per
7104 the new HANDLE_PRAGMA macro specification.
7105 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7106 per the new HANDLE_PRAGMA macro specification.
7107 * config/i960/i960.c (process_pragma): Take three arguments, as
7108 per the new HANDLE_PRAGMA macro specification.
7110 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7112 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7113 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7114 if unknown pragmas are encountered.
7115 (handle_sysv_pragma): Interpret return code from
7116 handle_pragma_token (). Return success/failure indication rather
7117 than next unprocessed character.
7118 (pragma_getc): New function: retrieves characters from the
7119 input stream. Defined when HANDLE_PRAGMA is enabled.
7120 (pragma_ungetc): New function: replaces characters back into the
7121 input stream. Defined when HANDLE_PRAGMA is enabled.
7123 * c-pragma.c (handle_pragma_token): Return success/failure status
7126 * c-pragma.h: Change prototype of handle_pragma_token().
7128 * varasm.c: (handle_pragma_weak): Only create this function if
7129 HANDLE_PRAGMA_WEAK is defined.
7131 * c-common,c (decl_attributes): If defined call the expression
7132 contained within the INSERT_ATTRIBUTES macro before adding
7133 attributes to a decl.
7135 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7136 HANDLE_PRAGMA, which takes three arguments.
7137 (INSERT_ATTRIBUTES): Document this new macro.
7139 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7140 new INSERT_ATTRIBUTES macro.
7142 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7144 * config/sparc/sparc.md (movdf): Only generate special RTL for
7145 LABEL_REFs when PIC.
7146 (move_label_di): Remove
7147 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7148 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7149 references when PIC.
7150 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7151 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7152 output an .xword for all 64-bit cases.
7154 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7156 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7157 alignment, use FUNCTION_BOUNDARY instead.
7158 (sparc_output_deferred_case_vectors): Likewise.
7160 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7162 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7163 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7165 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7167 * alpha/va_list.h: New file.
7168 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7170 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7172 * NEWS: Add SCO Openserver and Unixware 7 notes.
7176 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7178 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7179 (record_constant_1): Handle RANGE_EXPR.
7181 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7183 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7184 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7185 and NOTE_INSN_RANGE_END specially.
7186 (reemit_notes): Likewise.
7188 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7190 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7191 (ultrasparc_sched_init): Remove unneeded &.
7193 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7195 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7196 for m68020-60, to prevent the use of fintrz.
7198 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7200 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7202 * Makefile.in: Likewise.
7203 * configure: Regenerated.
7205 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7207 * configure.in (gxx_include_dir): Changed to
7208 '${prefix}/include/g++'-${libstdcxx_interface}.
7209 * configure: Rebuilt.
7211 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7213 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7215 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7216 *sequences* *below* which scalar moves will be used.
7218 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7220 * collect2.c (mktemp): Delete unused declaration.
7222 * config/xm-netbsd.h: Remove unnecessary file.
7223 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7224 file anymore, it is not needed.
7226 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7228 * convert.c (convert_to_integer): Issue an error on conversions to
7231 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7233 * Makefile.in: Add lang_tree_files and gencheck.h.
7234 * configure.in: Generate them.
7235 * gencheck.c: Include gencheck.h.
7237 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7239 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7240 movdi_lo_sum_pic and movdi_high_pic and make visible.
7241 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7242 emit these when Pmode is not SImode.
7243 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7245 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7247 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7248 .linkonce directive after the first time.
7250 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7252 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7253 the clobbered operand overlaps with an input.
7254 (bne0_di): Similarly.
7256 * Makefile.in (INSTALL): Remove "--no-header" argument.
7258 * NEWS: Various updates.
7260 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7262 * config/sparc/sparc.c (arith_operand, const64_operand,
7263 const64_high_operand, arith_double_4096_operand): Mark mode as
7265 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7267 (sparc_emit_set_const64): Remove unused variable i.
7268 (sparc_splitdi_legitimate): Likewise for addr_part.
7269 (ultra_code_from_mask): Likewise for mask.
7270 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7271 reverse return values so it matches usage and comments.
7272 (ultra_flush_pipeline): Likewise.
7273 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7274 this_type, and allow loads and stores of differing FP modes as
7275 they do not create a conflict.
7276 (ultra_find_type): Initialize fpmode to SFmode, fix
7277 parenthesization thinkos in large conditional.
7278 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7279 Init free_slot_mask after ultra_cur_hist is reset, not before.
7280 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7281 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7282 use ultra_flush_pipeline instead, then re-init group pointer.
7283 Fix statement with no effect. If no progress made in, and no
7284 instructions scheduled at all, advance to new pipeline cycle else
7285 we get into an endless loop.
7286 (ultrasparc_adjust_cost): Remove previous arg.
7287 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7289 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7291 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7292 code. Use reg_overlap_mentioned_p to detect when source and
7293 destination overlap.
7294 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7296 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7298 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7299 COMPARISON_VAL, into invariant_p.
7301 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7303 * regmove.c (regclass_compatible_p): New function.
7304 (regmove_optimize): Use it.
7306 Use NREGS parameter insted of calling max_reg_num.
7308 (fixup_match_1): Don't use code = MINUS when later tieing with
7309 a hard register is likely.
7311 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7313 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7314 COMPARISON_VAL was normalized.
7316 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7318 * loop.c (check_dbra_loop): The loop ending comparison value
7319 must be an invariant or we can not reverse the loop.
7321 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7322 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7324 (load_mems_and_recount_loop_regs_set): Likewise.
7326 * i386.c (print_operand): Remove obsolete 'c' docs.
7328 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7330 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7331 * frame.c (init_object_mutex): New function.
7332 (init_object_mutex_once): Likewise.
7333 (find_fde): Call it.
7334 (__register_frame_info): Likewise.
7335 (__register_frame_info_table): Likewise.
7336 (__deregister_frame_info): Likewise.
7338 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7340 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7342 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7344 * loop.c (check_dbra_loop): Enable code for reversal
7345 of some loops without a known constant loop end.
7347 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7349 * haifa-sched.c (last_clock_var): New.
7350 (schedule_block): Initialize it.
7351 (schedule_insn): Use it to fill insn modes with issue information.
7353 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7354 Tag trapb and next insn with TImode.
7355 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7356 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7357 Invoke alphaev5_align_insns as appropriate.
7358 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7359 (MD_SCHED_VARIABLE_ISSUE): New.
7360 * alpha.md (attr type): Add multi.
7361 (define_asm_attributes): New.
7362 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7363 (arg_home): Likewise.
7364 (fnop, unop, realign): New.
7366 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7368 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7369 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7371 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7372 (rs6000-ibm-aix4.[12]*): Likewise.
7373 * configure: Regnerate.
7375 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7377 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7378 already contains the return address.
7380 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7382 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7383 word sized hunks when loading unaligned args into registers.
7385 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7386 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7388 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7390 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7392 * loop.c (check_dbra_loop): Add some code that would allow reversal
7393 of some loops without a known constant loop end if it were enabled.
7395 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7397 * mips.md (lshrsi3_internal2+2): Fix type-o.
7399 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7401 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7402 correctly with regards to stdio.h.
7404 * calls.c: Remove stdarg.h/varargs.h.
7407 * combine.c: Likewise.
7408 * cpperror.c: Likewise.
7409 * cpplib.c: Likewise.
7410 * cpplib.h: Likewise.
7411 * doprint.c: Likewise.
7412 * emit-rtl.c: Likewise.
7413 * final.c: Likewise.
7414 * fix-header.c: Likewise.
7416 * genattr.c: Likewise.
7417 * genattrtab.c: Likewise.
7418 * gencodes.c: Likewise.
7419 * genconfig.c: Likewise.
7420 * genemit.c: Likewise.
7421 * genextract.c: Likewise.
7422 * genflags.c: Likewise.
7423 * genopinit.c: Likewise.
7424 * genoutput.c: Likewise.
7425 * genpeep.c: Likewise.
7426 * genrecog.c: Likewise.
7427 * mips-tfile.c: Likewise.
7428 * prefix.c: Likewise.
7429 * protoize.c: Likewise.
7430 * regmove.c: Likewise.
7431 * toplev.c: Likewise.
7434 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7436 * config/sparc/sparc.c (sparc_override_options): If not
7437 TARGET_FPU, turn off TARGET_VIS.
7438 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7439 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7440 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7441 (movdi_insn_sp64): Add VIS fzero alternative.
7442 (clear_sf, clear_df): New VIS patterns.
7443 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7445 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7447 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7449 * loop.c (n_times_set, n_times_used, may_not_optimize,
7450 reg_single_usage): Convert to varrays. All uses changed.
7451 (insert_loop_mem): Return a value.
7452 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7453 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7456 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7459 * configure.in: Do not set thread_file to "irix" since no such
7462 * sparc.md (float abs/neg splits): Check reload_completed before
7463 calling alter_subreg.
7465 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7467 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7469 * config/sparc/sparc.h: Declare it.
7470 * config/sparc/sparc.md (float abs/neg splits): Use it.
7471 (all other splits): Handle SUBREGs properly where necessary.
7472 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7474 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7476 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7477 an insn on the unfilled_slots_list that has no delay slots.
7478 (fill_eager_delay_slots): Similarly.
7480 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7482 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7483 as an ordinary operand.
7485 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7487 * tree.c (valid_machine_attribute): Don't apply attributes to both
7490 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7492 * reload.c (operands_match_p): Handle rtvecs.
7494 * i386.c (legitimate_pic_address_disp_p): New.
7495 (legitimate_address_p): Use it.
7496 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7497 Handle constant pool symbols just like statics.
7498 (emit_pic_move): Use Pmode not SImode for clarity.
7499 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7500 [UNSPEC]: New, handling what we killed above.
7501 [PLUS]: Detect and abort on invalid symbol arithmetic.
7502 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7504 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7506 * alias.c: Include output.h.
7507 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7508 different if we're in a varargs function.
7509 * Makefile.in (alias.o): Depend on output.h
7511 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7513 * sh.h (GIV_SORT_CRITERION): Delete.
7515 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7517 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7518 * stupid.c (stupid_life_analysis): Ditto.
7519 * reload1.c (reload): Ditto.
7521 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7523 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7524 arith_double_4096_operand, arith_double_add_operand): New
7526 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7527 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7528 them to transform add/sub 4096 into add/sub -4096.
7530 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7532 * loop.c (scan_loop): Allocate some slop to handle pseudos
7533 generated by move_movables.
7534 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7537 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7539 * tree.def (DECL_RESULT): Correct documentation.
7541 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7543 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7544 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7545 conflicts will all RELOAD_FOR_OUTPUT reloads.
7547 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7548 loads the function result, substitute with a USE.
7550 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7552 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7553 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7554 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7555 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7556 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7557 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7559 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7560 'o' to 'm' for GPR variant constraints.
7562 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7564 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7566 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7568 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7569 when the source and destination overlap.
7571 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7572 clash with global type.
7574 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7576 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7578 * c-common.c (combine_strings): Also set TREE_READONLY.
7579 Change warn_write_strings to flag_const_strings.
7580 * c-decl.c, c-tree.h: Likewise.
7582 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7584 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7585 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7586 sequence, use SET/IOR instead so CSE can see it.
7587 * config/sparc/sparc.md (movhi_const64_special,
7588 movsi_const64_special): New patterns necessitated by that change.
7589 (movhi_high): Remove.
7590 (movhi_lo_sum): Change to match an IOR.
7591 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7592 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7593 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7594 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7595 registers are involved.
7596 (snesi_zero_extend split): Remove reload_completed test.
7597 (unnamed plus and minus zero_extend sidi splits): Add it.
7599 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7601 * extend.texi: Remove description of extension to explicit
7602 instantiation that is now endorsed by standard C++.
7604 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7606 * config/arc/arc.c (arc_initialize_pic): Remove.
7607 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7608 nothing on any platform and is invoked by no-one, it does not even
7609 appear in the documentation.
7610 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7611 * config/sparc/sparc.c (initialize_pic): Likewise.
7612 (find_addr_reg): Remove this as well, no longer referenced after
7615 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7617 * recog.c (validate_replace_rtx_group): New function.
7618 * recog.h (validate_replace_rtx_group): Declare it.
7619 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7620 the entire group of substitutions.
7622 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7624 * loop.c (load_mems): Fix initializers.
7626 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7628 * config/sparc/sparc.md (TFmode splits): Handle destination
7629 registers being referenced in the address correctly.
7631 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7632 TREE_UNSIGNED, when bitsize of type's mode is larger than
7633 HOST_BITS_PER_WIDE_INT.
7635 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7637 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7638 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7639 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7641 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7644 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7646 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7647 * h8300.h (TINY_DATA_NAME_P): Likewise.
7648 (STRIP_NAME_ENCODING): Handle '&'.
7650 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7651 register (it could be accessed via an outer SUBREG).
7652 (REG_OK_FOR_BASE_P): Likewwise.
7653 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7655 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7658 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7660 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7662 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7663 must be offsettable so the splits can be made.
7665 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7667 * config/i386/winnt.c: Include system.h, not stdio.h to get
7668 sys/param.h pulled in before rtl.h in case the system defines MIN
7671 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7673 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7675 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7677 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7679 * cpplib.c (cpp_define): Handle macros with parameters.
7681 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7683 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7684 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7685 and DImode 64-bit. Use llong for minimal-toc SFmode and
7686 SYMBOL_REF / LABEL_REF 64-bit.
7687 (output_function_profiler): Use llong for profiler label and ld to
7688 load 64-bit label address.
7690 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7692 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7695 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7697 * version.c: Bump for snapshot.
7699 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7701 * version.c: Bump for snapshot.
7703 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7705 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7707 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7709 * tm.texi (Misc): Fix typo "teh".
7711 * tm.texi (PIC): Fix typo "PPIC".
7713 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7714 effect when -O2 and higher.
7715 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7717 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7719 * regclass.c: Changed register set documentation to be consistent
7722 * final.c (final_start_function) Removed redundant test for
7725 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7727 * rtl.h (rtx_function): New type.
7728 (for_each_rtx): New function.
7729 * rtlanal.c (for_each_rtx): Define it.
7731 * recog.c (change_t): New type.
7732 (change_objects, change_old_codes, change_locs, change_olds):
7734 (changes): New variable.
7735 (validate_change): Dynamically allocate room for more changes, if
7736 necessary. Uses changes array instead of change_objects, etc.
7737 (apply_change_group): Use changes array instead of
7738 change_objects, etc.
7740 * loop.c (loop_mem_info): New type.
7741 (loop_mems): New variable.
7742 (loop_mems_idx): Likewise.
7743 (looop_mems_allocated): Likewise.
7744 (scan_loop): Remove nregs parameter.
7745 (next_insn_in_loop): New function.
7746 (load_mems_and_recount_loop_regs_set): Likewise.
7747 (load_mems): Likewise.
7748 (insert_loop_mem): Likewise.
7749 (replace_loop_mem): Likewise.
7750 (replace_label): Likewise.
7751 (INSN_IN_RANGE_P): New macro.
7752 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7753 (scan_loop): Remove nregs parameter, compute it after any new
7754 registers are created by load_mems. Use INSN_IN_RANGE_P and
7755 next_insn_in_loop rather than expanding them inline. Call
7756 load_mems to load memory into pseudos, if appropriate.
7757 (prescan_loop): Figure out whether or not there are jumps from the
7758 loop to targets other than the label immediately following the
7759 loop. Call insert_loop_mem to notice all the MEMs used in the
7760 loop, if it could be safe to pull MEMs into REGs for the duration
7762 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7764 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7766 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7768 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7770 * config/sparc/sparc.c (finalize_pic): Check for the correct
7771 nonlocal_goto_receiver UNSPEC number.
7772 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7773 making note of this dependency existing in sparc.c
7774 (negtf2_notv9 split): Give NEG SFmode.
7775 (negsf2): Fix insn output string.
7777 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7779 * c-common.c (decl_attributes): Issue an error if the argument
7780 to alias is not a string.
7782 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7784 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7785 pending memory flush list.
7787 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7789 (try_combine): Allow combining insns with REG_LIBCALL notes.
7791 * expr.c (emit_block_move): Do not call memcpy as a libcall
7792 instead build up a CALL_EXPR and call it like any other
7794 (clear_storage): Similarly for memset.
7796 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7799 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7802 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7803 and REG_LIVE_LENGTH as successful substitutions are made.
7805 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7807 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7808 statement after end of loop label.
7810 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7812 * config/sparc/sparc.c (ultra_types_avail): New variable.
7813 (ultra_build_types_avail): New function to record mask of insn
7814 types in ready list at this cycle.
7815 (ultrasparc_sched_reorder): Call it.
7816 (ultra_find_type): Use it to quicken the search. Also simplif
7817 dependency check, don't use rtx_equal_p because we know exactly
7818 what we are looking for.
7820 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7822 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7823 for architecture v4.
7825 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7827 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7829 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7830 movdf_const_intreg and helper splits): New patterns to move float
7831 constants into integer registers.
7832 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7835 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7838 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7840 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7842 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7843 a BASE_REGS register is needed as an intermediate when copying
7844 a symbolic value into any register class other than BASE_REGS.
7846 * expr.c (move_by_pieces): No longer static. Remove prototype.
7847 * rtl.h (move_by_pieces): Add extern prototype.
7848 * mips.c (expand_block_move): Handle aligned straight line copy by
7849 calling move_by_pieces.
7851 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7854 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7856 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7857 jumps out of the loop to be treated as part of the exit test.
7859 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7860 Jeff Law <law@cygnus.com>
7862 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7863 * cplus-dem.c: Delete.
7865 * Makefile.in (fold-const.o): depend on $(RTL_H).
7867 * fold-const.c: Include rtl.h to get the prototype for
7868 `set_identifier_local_value'.
7870 * loop.c (express_from_1): Remove unused variable `tmp'.
7871 (combine_givs): cast the first argument of bzero to char *.
7873 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7875 * c-decl.c (init_decl_processing): Remove unneeded &.
7877 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7879 * except.c (set_exception_lang_code, set_exception_version_code):
7880 Change parameter from `short' to `int' to avoid using a gcc
7883 * except.h (set_exception_lang_code, set_exception_version_code):
7884 Likewise for prototypes.
7886 * flow.c (count_reg_references): Remove unused variables `regno'
7889 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7891 * prefix.c (translate_name): Cast the result of `alloca'.
7893 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7895 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7897 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7899 (valid_dbcc_comparison_p): Mark mode argument as unused.
7900 (symbolic_operand): Likewise.
7901 (legitimize_pic_address): Likewise.
7902 (const_uint32_operand): Likewise.
7903 (const_sint32_operand): Likewise.
7904 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7905 schedule_insns and comment out rest of file.
7907 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7909 (output_move_[hq]imode): Likewise.
7911 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7913 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7914 * invoke.texi: Corresponding changes.
7916 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7918 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7920 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7922 * config/sparc/sparc.c (ultra_code_from_mask,
7923 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7924 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7925 ultrasparc_sched_init, ultrasparc_variable_issue,
7926 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7927 functions to describe UltraSPARC pipeline exactly to Haifa.
7928 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7929 as there is nothing the scheduler can do about it. Indicate that
7930 REG_DEP_OUTPUT's collide. Fixup formatting.
7931 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7932 divide costs on Ultra for DImode.
7933 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7935 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7936 ieuN and add call_no_delay_slot to type list.
7937 (cti function unit): New unit for branches on UltraSPARC.
7938 (subx/addx insns): Set type to misc.
7939 (sidi zero/sign extension insns on arch64): Set type to shift.
7940 (sign_extendhidi2_insn): Set type to sload.
7942 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7944 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7945 (output_epilog): Use if != 0 for offset.
7946 (rs6000_fatal_bad_address): Prepare for Intl.
7947 * rs6000.h (rs6000_fatal_bad_address): Declare.
7948 * rs6000.md (movsfcc, movdfcc): Use else if.
7949 (elf_high): Use {liu|lis}.
7950 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7951 (movsi): Use rs6000_fatal_bad_address.
7953 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7955 * reload.c (find_equiv_reg): Reject equivalences separated
7956 by a volatile instruction.
7958 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7960 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7962 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7964 * alpha.md (movsicc): Fix mode mismatch.
7966 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7968 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7970 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7972 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7974 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7975 write-only modifier from operand 1 constraint.
7977 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7979 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7980 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7982 (sparc_emit_set_const64): Likewise, also when computing trailing
7983 bits do not negate low_bits and make fast_int an int.
7985 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7987 * loop.c (add_label_notes): Do not ignore references to labels
7988 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7989 * gcse.c (add_label_notes): Similarly.
7991 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7993 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7994 (adddi_dishl32): Similarly.
7996 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7998 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7999 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8000 * cse.c (cse_basic_block): Add parens to shut up warnings.
8002 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8004 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8005 sparc_emit_set_const64_longway, const64_is_2insns,
8006 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8007 in 64-bit constant formation.
8008 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8009 rtl for addx not subx.
8010 (define_insn movdi_const64_special): Make available even when
8011 HOST_BITS_PER_WIDE_INT is not 64.
8012 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8013 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8014 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8015 instances of operand 1 inside a QI subreg.
8016 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8017 (one_cmpldi2_sp64): Fix output string.
8018 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8020 (unnamed arch64 ashift DI): Truncate shift count if greater than
8023 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8025 * expr.c (store_expr): Don't optimize away load-store pair
8026 when either source or destination have a side effect.
8028 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8030 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8031 operands of SET are incompatible.
8033 * alpha.md: Fix max and min patterns so modes of SET operands match.
8035 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8037 * configure.in: Avoid [[ by using test and changequote.
8038 * configure: Rebuild.
8040 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8042 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8044 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8045 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8046 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8047 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8048 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8049 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8050 Fix mismatching modes in SET operands.
8051 (conditional move patterns): Fix formatting.
8052 (unnamed subx arch64 pattern): Remove duplicate insn.
8054 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8056 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8057 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8058 (input_operand): Fixup test for what we accept for constant
8060 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8062 (safe_constDI): Remove.
8063 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8064 gen_safe_XOR64): New functions.
8065 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8066 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8068 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8069 available when HOST_BITS_PER_WIDE_INT is not 64.
8070 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8071 move before movdi_insn_sp64 pattern.
8072 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8073 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8074 symbolic_operand as predicate for second operand.
8075 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8076 expander): Give set VOIDmode.
8078 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8080 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8082 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8084 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8086 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8088 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8090 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8092 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8094 * install.texi: Various SCO OpenServer tweaks.
8096 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8098 * reload1.c (eliminate_regs_in_insn): Handle another case when
8099 eliminating the frame pointer to the hard frame pointer. Add
8100 missing ep->to_rtx check to one existing case.
8102 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8104 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8106 * tree.h: De-conditionalize init_priority code.
8108 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8109 * collect2.c (NM_FLAGS): Change from -p to -n.
8111 * configure.in: Turn on collect2 for mipstx39-elf.
8112 Handle use_collect2=no properly.
8114 * c-common.c: De-conditionalize init_priority code.
8115 * collect2.c (extract_init_priority, sort_ids): New fns.
8116 (main): Call sort_ids.
8117 Move sequence_number to file scope.
8119 * configure.in: Handle --enable-init-priority.
8120 * c-common.c (attrs): Add A_INIT_PRIORITY.
8121 (init_attributes, decl_attributes): Likewise.
8122 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8123 * tree.c (get_file_function_name_long): Split out...
8124 (get_file_function_name): ...from here.
8126 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8128 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8131 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8133 * toplev.c (display_help): Add braces to shut up warnings.
8134 * tree.c (simple_cst_equal): Likewise.
8136 * fold-const.c (non_lvalue): Don't deal with null pointer
8138 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8140 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8141 of any size to a pointer.
8143 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8145 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8147 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8149 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8150 which will be saved.
8151 * mn10300.md (prologue insn): Only save registers which need saving.
8152 (epilogue insn): Similarly.
8154 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8157 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8159 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8160 VAR_DECL's in gp addressable sections.
8162 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8164 * sparc.c: Change return <exp> to <exp>; return; in functions
8166 * sparc.md: Add empty semicolon statement after final label in
8169 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8171 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8172 addx_extend_sp64, only allow when TARGET_ARCH64.
8173 (define_insn addx_extend_sp32 and split): Version that works when
8175 (define_insn subx_extend): Likewise.
8176 (define_split adddi3 and subdi3 with zero extension): Fixup and
8177 correct bugs when not TARGET_ARCH64.
8179 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8181 * except.c (set_exception_lang_code, set_exception_version_code):
8182 Use prototype-style definition if __STDC__, to match declaration
8185 * genemit.c: Change FAIL and DONE macros not to use loops.
8187 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8189 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8190 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8192 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8194 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8196 * README.g77: Update from Craig.
8198 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8200 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8202 (safe_constDI sparc_emit_set_const64_quick1,
8203 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8204 analyze_64bit_constant, const64_is_2insns,
8205 create_simple_focus_bits): Fix some bugs when compiled on real
8207 (function_arg_record_value_3, function_arg_record_value_2,
8208 function_arg_record_value): Add fully prototyped forward decls.
8209 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8210 to cmpsi_insn and use on both 64 and 32 bit targets.
8211 (define_insn cmpsi_insn_sp64): Remove.
8212 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8213 (define_insn zero_extendsidi2_insn): Rename to
8214 zero_extendsidi2_insn_sp64.
8215 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8216 assosciated forced split for it.
8218 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8220 * config/sparc/sparc.h: Declare them.
8221 (PREDICATE_CODES): Add them.
8222 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8223 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8225 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8227 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8228 in v9 case as the latter makes the Solaris assembler crash.
8230 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8232 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8233 for TFmode when !v9. We require offsettable memory addresses.
8234 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8235 DFmode register number conversions.
8236 * config/sparc/sparc.md (define_split DFmode moves): If register
8237 is a SUBREG do alter_subreg on it before using.
8238 (define_expand movtf): Fixup comment about alignment on v9.
8239 (define_split TFmode moves): Don't use gen_{high,low}part, create
8240 explicit SUBREGs instead.
8242 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8244 * Makefile.in (mbchar.o): Depend on mbchar.c.
8246 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8247 Richard Henderson <rth@cygnus.com>
8249 Rewrite Sparc backend for better code generation and
8250 improved sparc64 support.
8251 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8253 * config/sparc/sysv4.h: Likewise.
8254 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8255 move_operand, v8plus_regcmp_op, emit_move_sequence,
8256 singlemove_string, doublemove_string, mem_aligned_8,
8257 output_move_double, output_move_quad, output_fp_move_double,
8258 move_quad_direction, output_fp_move_quad, output_scc_insn):
8260 (small_int_or_double): New predicate.
8261 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8262 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8263 old pic_{sethi,lo_sum}_si patterns.
8264 (mem_min_alignment): New generic function to replace
8265 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8266 available and can test for arbitrary alignments. All callers
8268 (save_regs, restore_regs, build_big_number,
8269 output_function_prologue, output_cbranch, output_return,
8270 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8271 sparc_flat_output_function_epilogue): Prettify
8273 (output_function_epilogue): Likewise and add code to output
8274 deferred case vectors.
8275 (output_v9branch): Likewise, add new arg INSN and use it to tack
8276 on branch prediction settings. All callers changed.
8277 (print_operand): Likewise and output %l44 for LO_SUMs when
8279 (sparc_splitdi_legitimate): New function to make sure DImode
8280 splits can be run properly when !arch64.
8281 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8282 Reformat example code in comments.
8283 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8284 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8285 of deferred case vectors we need to output.
8286 (sparc_defer_case_vector): Record a case vector.
8287 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8288 sparc_output_deferred_case_vectors): New functions to output them.
8289 (sparc_emit_set_const32): New function to form 32-bit constants in
8290 registers when that requires more than one instruction.
8291 (safe_constDI, sparc_emit_set_const64_quick1,
8292 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8293 analyze_64bit_constant, const64_is_2insns,
8294 create_simple_focus_bits, sparc_emit_set_const64): New functions
8295 which do the same for 64-bit constants when arch64.
8296 (sparc_emit_set_symbolic_const64): New function to emit address
8297 loading for all code models on v9.
8298 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8299 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8300 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8301 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8302 inaccuracies in comments, add symbolic and text_segment operands
8303 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8304 GENERAL_REGS in these cases as a temp REG is needed to load these
8305 addresses into a register properly.
8306 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8308 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8309 quads are guarenteed to have 16-byte alignment.
8310 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8311 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8312 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8313 deferred case vector implementation.
8314 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8315 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8316 Generate "internal label - label" instead of "label - 1b".
8317 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8318 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8319 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8321 (doublemove_string, output_block_move, output_fp_move_double,
8322 output_fp_move_quad, output_move_double, output_move_quad,
8323 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8324 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8325 (sparc_emit_set_const32, sparc_emit_set_const64,
8326 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8327 mem_min_alignment, small_int_or_double): Add externs.
8328 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8329 UNSPEC_VOLATILE in this backend.
8330 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8331 unary to types which execute in it.
8332 (define_function_unit ieu_shift): Rename to ieu0.
8333 (define_function_unit ieu1): New, executes compare, call, and
8334 uncond_branch type insns.
8335 (define_function_units for type fdivs, fdivd, fsqrt): These
8336 execute in the fpu multiply unit not the adder on UltraSparc.
8337 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8338 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8339 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8340 allows the arith_double_operand predicate and rHI constraint when
8342 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8343 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8344 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8345 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8346 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8347 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8348 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8349 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8350 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8351 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8352 sign_extendqihi2_insn, sign_extendqisi2_insn,
8353 sign_extendqidi2_insn, sign_extendhidi2_insn,
8354 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8355 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8356 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8357 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8358 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8359 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8360 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8361 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8362 smulsi3_highpart_v8plus, unnamed subreg mult,
8363 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8364 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8365 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8366 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8367 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8368 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8369 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8370 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8371 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8372 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8373 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8374 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8375 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8376 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8377 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8378 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8379 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8380 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8381 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8382 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8383 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8384 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8385 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8386 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8387 call_address_untyped_struct_value_sp32,
8388 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8389 call_value_symbolic_sp32, call_value_address_sp64,
8390 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8391 flush_register_windows, goto_handler_and_restore,
8392 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8393 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8394 return_addsi, return_di, return_adddi, return_sf, all call+jump
8395 peepholes, trap, unnamed trap insns): Prettify output strings.
8396 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8397 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8398 Likewise and force + implement splits for integer cases.
8399 (define_insn return_sf_no_fpu): Likewise and allow to match when
8400 no-fpu because of our subreg SFmode splits.
8401 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8402 zero_extendqidi2_insn, zero_extendhidi2_insn,
8403 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8404 input_operand for second operand.
8405 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8406 reg_or_0_operand for operand 2 so new splits can use it.
8407 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8408 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8410 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8411 CONST_DOUBLEs for operand 2.
8412 (define_insn move_label_di): Likewise and label distance
8413 optimization because it no longer works with new deferred case
8414 vector scheme. To be revisited.
8415 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8416 and allow reg_or_0_operand and J constraint for second operand.
8417 (define_insn jump): Set branch predict taken on V9.
8418 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8419 new deferred case vector scheme.
8420 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8421 (define_insn negdi2_sp32): Force + implement splits.
8422 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8423 one_cmplsi2_not_liveg0 respectively, and create expander of original
8424 names which emit special rtl for TARGET_LIVE_G0.
8425 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8426 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8427 gen_compare_reg, FAIL instead.
8428 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8429 values when trying to reverse condition codes, if they FAIL then
8431 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8432 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8433 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8434 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8435 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8436 set output string to # to indicate they are mandatory splits.
8437 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8438 pic_sethi_di, move_pic_label_si): Remove.
8439 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8440 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8442 (define_expand movsi_pic_label_ref, define_insn
8443 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8444 expander and insns to handle PIC label references and deferred
8446 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8448 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8449 Rewrite to not use emit_move_sequence, make use of new constant
8450 formation code, and new splits for all multi-insn cases.
8451 (define_insn movqi_insn): Remove sethi case, it can never happen.
8452 Use reg_or_zero_operand instead of const0_rtx explicit test,
8453 use input_operand instead of move_operand for source, and use
8454 general_operand now for dest.
8455 (define_insn movhi_insn): Similar but leave sethi case.
8456 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8457 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8458 movhi_lo_sum respectively, prettify output string.
8459 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8460 register when needed on TARGET_LIVE_G0.
8461 (define_insn movsi_insn): Use general_operand and input_operand
8462 for dest and src respectively. Simplify applicability test.
8463 Prettify output strings, and add clr alternative for J
8465 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8466 deprecated std and reg-reg DI moves): Remove and...
8467 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8468 implementation which uses forced splits for all non-single insn
8470 (define_split DI move cases on !arch64): New splits to handle all
8471 situations of 64-bit double register DImode on 32bit, and
8472 unaligned registers and memory addresses for all subtargets.
8473 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8475 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8476 input_operand for dest and src respectively, prettify output
8478 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8479 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8481 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8482 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8483 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8484 movtf_no_e_insn_sp64) Replace with new
8485 implementation which uses forced splits for all non-single insn
8487 (define_split DF move cases): New splits in similar vein to DI
8489 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8490 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8491 movdi_sp64_insn): Remove old v9 code model and constant loading
8493 (define_insn pic_lo_sum_di, pic_sethi_di,
8494 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8495 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8496 embmedany_sethi, embmedany_losum, embmedany_brsum,
8497 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8498 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8499 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8500 scheme, using unspecs, secondary reloads, and one to one sparc
8501 insn to rtl insn mapping for better scheduling and code gen.
8502 (define_expand reload_indi, reload_outdi): Reload helpers for
8503 MEDANY and EMBMEDANY symbol address loading cases which require a
8505 (define_expand movsicc): Remove v8plus_regcmp cases.
8506 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8507 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8508 cmp_diqi_trunc_set): New patterns used by some of the new scc
8510 (define_insn xordi3_sp64_dbl): New pattern used for constant
8511 formation when crossing from 32-bit targets.
8512 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8514 (define_insn addx, subx): Make visible and prettify.
8515 (define_insn adddi3_insn_sp32): Likewise and force split.
8516 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8517 64bit scc split usage.
8518 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8519 zero_extend, subdi3): Force and implement splits.
8521 * final.c (final_scan_insn): Don't output labels if target
8522 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8525 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8526 don't forget to walk inside SEQUENCESs too as these are what the
8527 delay slot scheduler will create.
8529 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8531 * alpha.md (extxl+1,+2): New patterns to work around
8534 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8536 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8537 caused bad assembly code to be generated.
8539 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8541 * netbsd.h: Fix typo.
8543 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8545 * config.sub: Fix typo.
8547 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8549 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8551 (Running Protoize): Typo: Change "ther" into "other".
8553 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8555 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8556 * m68k/netbsd.h: Likewise.
8557 * ns32k/netbsd.h: Likewise.
8558 * sparc/netbsd.h: Likewise.
8560 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8562 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8563 * ginclude/va-clipper.h (va_list): Likewise.
8565 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8567 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8568 load/store multiple instructions unless user overrides.
8570 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8572 * ns32k/netbsd.h: Fix typo.
8574 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8576 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8577 labels with .debugsym if no parallel insns.
8579 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8581 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8582 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8584 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8586 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8587 (AR_FOR_TARGET): Define.
8589 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8591 * dyn-string.h: New file.
8592 * dyn-string.c: Likewise.
8593 * Makefile.in (OBJS): Add dyn-string.o.
8594 (dwarf2out.o): Add dyn-string.h dependency.
8595 (dyn-string.o): List dependencies.
8596 * dwarf2out.c: Include dyn-string.h.
8597 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8598 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8599 prototype. Use dyn_string_append rather than strcat, throughout.
8600 (addr_to_string): Use dyn_string_t.
8602 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8604 Function entry/exit profiling instrumentation:
8605 * expr.h (profile_function_entry_libfunc,
8606 profile_function_exit_libfunc): Declare new variables.
8607 * optabs.c: Define them here.
8608 (init_optabs): Initialize them.
8609 * tree.h (struct tree_decl): New flag
8610 no_instrument_function_entry_exit.
8611 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8612 * c-decl.c (duplicate_decls): Merge it.
8613 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8614 (init_attributes): Use it for "no_instrument_function".
8615 (decl_attributes): Handle it, for functions that have not yet been
8616 compiled. Set decl flag.
8617 * flags.h (flag_instrument_function_entry_exit): Declare new
8619 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8620 (f_options): New option "instrument-functions".
8621 * function.h (struct function): New field instrument_entry_exit.
8622 * function.c (current_function_instrument_entry_exit): New
8624 (push_function_context_to, pop_function_context_from): Save and
8626 (expand_function_start): Set current_ variable, maybe emit return
8627 label and entry profile call.
8628 (expand_function_end): Maybe emit exit profile call.
8630 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8632 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8633 NON_QI_REG_P, pretend the register is SImode.
8635 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8637 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8638 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8639 manufacturer id for ns32k.
8640 * configure: Regenerated.
8641 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8642 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8643 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8644 * config/m68k/netbsd.h: Same.
8645 * config/ns32k/netbsd.h: Same.
8646 * config/sparc/netbsd.h: Same.
8648 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8650 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8651 or UNROLL_COMPLETELY loop that starts with a jump to its
8654 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8656 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8657 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8658 (print_operand, case 'B'): Don't fall through.
8659 (print_operand, case 'S'): Correct mask begin/end computation.
8660 Use HOST_BITS_PER_WIDE_INT.
8661 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8662 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8663 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8664 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8666 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8668 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8669 constraint from second alternative.
8671 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8673 * configure.in: Fix --without/--disable cases for local-prefix,
8674 gxx-include-dir and checking.
8676 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8678 * configure.in (enable_haifa): Set by default for sparc64 too.
8681 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8683 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8684 * i386/winnt.c (associated_type): New fn.
8685 (i386_pe_valid_type_attribute_p): New fn.
8686 (i386_pe_check_vtable_importexport): Remove.
8687 (i386_pe_dllexport_p): Use associated_type.
8688 (i386_pe_dllimport_p): Likewise.
8690 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8691 * i386.c (i386_valid_type_attribute_p): Also accept
8692 attributes for METHOD_TYPEs.
8694 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8696 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8698 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8700 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8702 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8703 them from generating a new base name for each occurence of
8706 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8708 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8710 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8714 * cplus-dem.c (type_kind_t): New type.
8715 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8716 on this paramter, rather than demangling the type again.
8717 (demangle_integral_value): Pass tk_integral.
8718 (demangle_template_: Pass the value returned from do_type.
8719 (do_type): Return a type_kind_t. Pass tk_integral to
8720 demangle_template_value_parm for array bounds.
8721 (demangle_fund_type): Likewise.
8723 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8725 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8728 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8730 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8732 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8734 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8736 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8739 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8741 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8742 (DEBUGGER_ARG_OFFSET): Likewise.
8744 * mn10300.md (movsf): Remove last change. Not needed.
8746 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8748 * c-lex.c (yylex): Fix boundary conditions in character literal and
8749 string literal loops.
8751 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8753 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8754 being invoked incorrectly.
8756 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8757 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8759 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8760 * configure.in: Added i[34567]86-*-win32
8761 * config.sub: Ditto.
8762 * configure: Rebuilt.
8764 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8766 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8767 the frame pointer and compiling PIC code and reload has not completed.
8769 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8772 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8774 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8776 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8778 * Makefile.in (install-info): Only try to update the info
8779 directory file if it exists in the first place.
8781 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8783 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8785 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8787 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8788 CONST_DOUBLE source.
8790 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8792 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8793 strings as the insertion of USER_LABEL_PREFIX.
8794 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8796 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8799 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8801 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8802 already defined type.
8804 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8806 * expr.c (check_max_integer_computation_mode): Allow conversions
8807 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8808 (expand_expr): Likewise.
8810 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8812 * expr.c (expand_expr): Expand RETURN_EXPR.
8814 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8816 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8818 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8820 * dwarf2out.c (output_aranges): Call stripattributes
8821 for TEXT_SECTION references.
8822 (output_line_info): Likewise.
8824 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8826 * profile.c (branch_prob): Call allocate_reg_info after outputting
8827 profile rtl in instrument_arcs.
8829 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8831 * fixinc.irix (math.h): Install wrapper instead of copying.
8833 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8835 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8836 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8837 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8838 lang_flag_0. Added documentation in the flag table.
8840 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8842 * cccp.c (do_include): Fix vax c style include handling.
8844 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8846 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8848 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8850 * fold-const.c (non_lvalue): Don't deal with null pointer
8852 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8854 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8856 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8857 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8858 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8859 (u_short_cint_operand): Same.
8860 (reg_or_cint_operand): Same.
8861 (logical_operand): Same.
8862 (input_operand): Same.
8863 (reg_or_short_operand): Use u_short_cint_operand.
8865 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8867 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8868 but keep the insns and splits. Adjust so when the ultimate destination
8869 is memory, use cvtql.
8871 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8873 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8875 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8877 * gcc.c (do_spec): Call "error" not "warning".
8879 * configure.in: Fix minor problems with gas feature detection code.
8880 * configure: Rebuilt.
8882 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8885 * gcc.c: Delete %[spec] support.
8886 (do_spec_1, case '('): Likewise.
8887 (do_spec_1, case '['): Call error.
8889 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8891 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8892 (CPP_SUBTARGET_SPEC): Default to empty string.
8893 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8894 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8895 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8896 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8898 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8899 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8900 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8901 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8902 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8903 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8904 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8905 * alpha/vxworks.h: Likewise.
8907 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8909 * mips.md (reload_outsi): Added missing REGNO call.
8910 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8912 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8913 another match_operator and compare the codes.
8915 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8917 * MIPS multiply pattern fixes:
8918 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8919 Add union classes for HI, LO, or HILO plus general registers.
8920 (GENERATE_MADD): Deleted.
8921 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8922 Add TARGET_MAD to condition.
8923 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8924 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8925 "*d" for accumulator, to give preference to LO initially but not
8928 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8930 * configure.in (enable_c_mbchar): New configure option.
8931 (extra_cpp_objs): Always available now.
8933 * cexp.y (mbchar.h): #include it.
8934 (yylex): Handle Multibyte characters in character literals.
8936 * cccp.c (mbchar.h): #include it.
8937 (main): Set character set based on LANG environment variable.
8938 (rescan): Handle multibyte characters in comments.
8939 (skip_if_group): See above.
8940 (validate_else): See above.
8941 (skip_to_end_of_comment): See above.
8942 (macarg1): See above.
8943 (discard_comments): See above.
8944 (rescan): Handle multibyte characters in string and character literals.
8945 (collect_expansion): See above.
8946 (skip_quoted_string): See above.
8947 (macroexpand): See above.
8948 (macarg1): See above.
8949 (discard_comments): See above.
8950 (change_newlines): See above.
8952 * c-lex.c (mbchar.h): #include it.
8953 (GET_ENVIRONMENT): New macro.
8954 (init_lex): Set character set based on LANG environment variable.
8955 (yylex): Handle multibyte characters in character literals.
8956 (yylex): Handle multibyte characters in string literals.
8958 * Makefile.in (mbchar.o): New target.
8959 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8960 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8962 * mbchar.[ch]: New files for multibyte character handling.
8964 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8966 * jump.c (jump_optimize): When simplifying noop moves and
8967 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8968 the PUSHes to rewrite in second loop as we did in the first.
8970 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8972 * cplus-dem.c (demangle_nested_args): Make function definition
8973 static to match the prototype.
8975 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8977 * alloca.c: Respect USE_C_ALLOCA.
8978 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8979 * gengenrtl.c (xmalloc): Likewise.
8981 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8983 * loop.h (struct induction): Add no_const_addval.
8984 * loop.c (the_movables, reg_address_cost): New variables.
8985 (init_loop): Init reg_address_cost.
8986 (loop_optimize): Call end_alias_analysis.
8987 (scan_loop): Init the_movables.
8988 (record_giv): Init induction->no_const_addval.
8989 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8990 [REG]: Rearrange loop search test to catch more cases.
8991 (general_induction_var): Return success not benefit; take an extra
8992 argument for that. Change all callers.
8993 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8994 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8995 [default]: Search the_movables for additional combinations.
8996 (sge_plus_constant, sge_plus): New functions.
8997 (express_from_1): New function.
8998 (express_from): Always define. Rewrite using express_from_1.
8999 (combine_givs_p): Handle more cases. Ignore address cost.
9000 (cmp_combine_givs_stats): New function.
9001 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9002 (combine_givs): Rewrite to do best-fit combination.
9004 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9005 (fold): Do a complete (A*C)+(B*C) association check.
9007 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9009 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9011 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9013 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9015 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9017 * tree.c (valid_machine_attribute): Only create a new type variant if
9018 there is a decl to use it.
9020 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9022 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9025 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9027 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9030 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9032 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9033 Simplify tests for clearing an address register.
9034 (expand_prologue): Corresponding changes.
9036 * mn10300.md (movXX patterns): Make sure the destination is an
9037 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9038 (logical patterns): Split into expanders + patterns
9039 (zero and sign extension patterns): Similarly.
9040 (shift patterns): Similarly.
9042 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9044 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9045 for the sequence, recording base values.
9047 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9049 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9051 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9053 * gcc.c: Remove ANSI-C ism from --help code.
9055 * toplev.c: Support --help with USE_CPPLIB.
9057 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9059 * configure.in: Rework gas feature code to work with symlink based
9062 * extend.texi: Clarify some issues related to local variables
9063 assigned to explicit registers.
9065 * mn10300.md (mulsi): Turn into expander + pattern.
9067 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9070 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9072 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9074 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9076 * version.c: Bump again to distinguish mainline tree from the
9079 See ChangeLog.0 for earlier changes.
9082 add-log-time-format: current-time-string