1 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
4 a register with another DEST_ADDR giv if the address is not valid.
6 * pa.c (hppa_expand_epilogue): Save and restore the static chain
7 around the call to mcount.
9 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
11 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
12 generating non-canonical rtl.
14 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
16 * config/i960/i960.c (i960_output_move_double_zero,
17 i960_output_move_quad_zero): New functions for moving zeros.
18 (i960_output_move_double, i960_output_move_quad): Additional code
19 for situation when moving unaligned register group.
21 * config/i960/i960.h (i960_output_move_double_zero,
22 i960_output_move_quad_zero): The function definitions.
24 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
26 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
28 * config/i960/i960.c (i960_function_prologue): New code (optimal
29 solution) for saving global registers in local registers.
30 (form_reg_groups, reg_group_compare, split_reg_group): New
31 functions used by the code.
32 (reg_group): New structure definition for the new code.
34 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
36 * integrate.c (expand_inline_function): Recognize (mem (addressof))
37 and substitute. Copy the return value from there into a new pseudo.
39 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
41 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
42 before generating a call to abort for volatile functions.
43 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
44 (TARGET_ABORT_NORETURN): Define.
45 (abort-on-noreturn): New option.
47 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
49 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
50 and binarycc operations in 3rd annulled delay slot!
52 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
54 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
55 ensure all prototypes necessary for building libio will be available.
56 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
57 definitions here as they are not host specific.
58 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
60 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
62 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
64 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
66 * version.c: Bump for snapshot.
68 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
70 * rtl.c (rtx_alloc): Use memset instead of inline loop.
72 * recog.h (recog_op_alt): Declare extern.
74 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
76 * function.c (purge_addressof_1): If the note accesses a mem+addressof
77 in a wider mode than any replacement, adjust the cached replacement.
78 Cache trivial substitutions as well.
80 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
82 * Makefile.in (OBJECTS): Add sbitmap.o.
83 (BASIC_BLOCK_H): Add sbitmap.h.
84 * basic-block.h: Move simple bitmap code to sbitmap.h.
85 * flow.c: Move simple bitmap code to sbitmap.c
86 * sbitmap.h, sbitmap.c: New files.
88 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
90 * alpha.h (TARGET_SWITCHES): Document switches.
91 (TARGET_OPTIONS): Likewise.
93 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
95 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
97 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
99 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
101 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
102 (basic_block_end): Rename to x_basic_block_end.
103 (BLOCK_HEAD, BLOCK_END): Update.
105 * caller-save.c: Change basic_block_head/end references to
107 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
108 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
109 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
111 Thu Jan 11 18:37:50 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
113 * invoke.texi (-mcpu=740, -mcpu=750): New options.
114 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
117 1999-01-11 Michael Meissner <meissner@cygnus.com>
119 * config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all
120 machines supported with -mcpu=xxx.
121 (processor_type): Add PROCESSOR_PPC750.
122 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
123 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
124 (rs6000_adjust_priority): Add declaration.
126 * config/rs6000/rs6000.c (rs6000_override_options):
127 -mcpu={750,740} now sets the processor type as 750, not 603.
128 Allow -mmultiple and -mstring on little endian 750 systems.
129 (rs6000_adjust_priority): Stub for now.
130 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
132 * config/rs6000/rs6000.md (function/cpu attributes): Add initial
135 * config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict
136 alignment if little endian.
137 (CC1_SPEC): Pass -mstrict-align if little endian, and not
139 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
140 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
142 * config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC):
143 Override, default is little endian.
145 * config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris
148 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
150 * gcc.c (xstrerror): Renamed from my_strerror. All callers
151 changed. Remove prototype since we get that from libiberty.h.
153 * protoize.c (xstrerror): Likewise.
155 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
157 * gcc.c (read_specs): Ensure format specifiers match their arguments.
159 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
161 * tree.c (copy_node): Oops. That would be copy not zero
164 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
166 * config/c4x/c4x.c: Include system.h.
167 (c4x_caller_save_map): Disable caller save for RC.
168 (c4x_optimization_options): Disable scheduling before reload.
169 (valid_parallel_load_store) : Define return type as int.
170 Remove unused variable regs.
171 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
173 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
175 (*db, decrement_and_branch_until_zero): Fix up constraints
176 to keep reload happy.
178 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
180 * tree.c (make_node): Call bzero instead of inline clear.
181 (copy_node, make_tree_vec, build1): Likewise.
182 (get_identifier): Call strlen instead of inline count.
183 (maybe_get_identifier): Likewise.
185 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
187 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
188 operations in 3rd annulled delay slot.
189 (*lshrqi3_const_set): Disallow c constraint for operand0.
190 (modhi3+1, modhi3+2): Set attribute type to multi.
191 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
194 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
196 * gansidecl.h: Allow attribute unused on labels only when we are
197 version 2.93 or higher. Not all versions of 2.92 have this feature.
199 * version.c: Bump minor number to 93.
201 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
203 * config/m68k/m68k.h: Declare output_function_epilogue.
204 * recog.h: Declare next_insn_tests_no_inequality.
206 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
208 * stmt.c (optimize_tail_recursion): New function, extracted from ...
209 (expand_return): Use optimize_tail_recursion.
210 * tree.h (optimize_tail_recursion): Declare.
212 * toplev.c (compile_file): Move call to output_func_start_profiler
213 to after the loop to emit deferred functions.
215 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
217 * system.h (abort): Supply more detailed information on how to
218 report an Internal Compiler Error.
220 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
222 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
223 allocate memory that will live beyond this function.
224 (expand_call): Free it here.
226 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
228 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
229 integer data not destined for fp regs.
230 (LEGITIMIZE_RELOAD_ADDRESS): New.
232 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
233 Richard Henderson <rth@cygnus.com>
235 Support for Hypersparc and Sparclite86x:
236 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
237 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
238 (ASM_CPU32_DEFAULT_SPEC): Likewise.
239 (TARGET_CPU_DEFAULT): Likewise.
240 (enum processor_type): Likewise.
241 (CPP_ENDIAN_SPEC): Handle little endian data.
242 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
243 (ADJUST_COST): Call sparc_adjust_cost.
244 * sparc.c (sparc_override_options): Fix up for the new targets.
245 (supersparc_adjust_cost): Make static.
246 (hypersparc_adjust_cost): New.
247 (ultrasparc_adjust_cost): Make static.
248 (sparc_adjust_cost): New.
249 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
250 (function_unit): Add hypersparc scheduling rules.
252 * configure.in (with_cpu handler): Recognize hypersparc.
254 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
256 * config/c4x/c4x.c: Added space after negation operator.
257 * config/c4x/c4x.h: Likewise.
258 * config/c4x/c4x.md: Likewise.
260 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
262 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
264 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
266 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
267 when a test can't be performed due to limited width of
268 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
269 Fix UDIV case for cases where the first operand has the highest bit
272 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
274 * pa.h (reg_class): Add FPUPPER_REGS.
275 (REG_CLASS_NAMES): Similarly.
276 (REG_CLASS_CONTENTS): Similarly
277 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
278 (FP_REG_CLASS_P): Likewise.
279 (REG_CLASS_FROM_LETTER): Similarly.
280 (CLASS_MAX_NREGS): Similarly.
282 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
284 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
285 for a typedef of bool. Make sure to have a copy of the file is
286 in place before we look to fix it. Fix typo in variable name to
289 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
291 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
292 value_mode for the return mode.
294 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
296 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
297 debugging as default.
299 * config/tm-dwarf2.h: New file.
301 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
303 * h8300.h (ASM_OUTPUT_LABELREF): Define.
305 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
306 * local-alloc.c (update_equiv_regs): Corresponding changes.
307 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
309 * calls.c (special_function_p): Push alloca test inside the large
310 conditional which excludes functions not at file scope or not
313 * calls.c (special_function_p): New function broken out of
315 (precompute_register_parameters): Likewise.
316 (store_one_arg): Likewise.
317 (store_unaligned_argumetns_into_pseudos): Likewise.
318 (save_fixed_argument_area): Likewise.
319 (restore_fixed_argument_area): Likewise.
320 (expand_call): Corresponding changes.
322 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
324 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
326 (const_sint32_operand): Likewise.
328 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
331 is a macro when deciding if we can use `jmp_buf' in prototypes.
333 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
335 * config/c4x/c4x.md (addqi3): If the destination operand is
336 a hard register other than an extended precision register,
337 emit addqi3_noclobber.
338 (*addqi3_noclobber_reload): New pattern added so that reload
339 will recognise a store of a pseudo, equivalent to the sum
340 of the frame pointer and a constant, as an add insn.
342 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
344 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
345 * configure: Rebuilt.
346 * i386/xm-go32.h: Define LIBSTDCXX.
348 * i386/go32.h (MD_EXEC_PREFIX): Define.
349 (FILE_NAME_ABSOLUTE_P): Define.
350 (LINK_COMMAND_SPEC): Define.
352 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
354 * expr.c (store_expr): If the lhs is a memory location pointed
355 to be a postincremented (or postdecremented) pointer, always
356 force the rhs to be evaluated into a pseudo.
358 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
360 * real.c (mtherr): Print more reasonable warning messages.
362 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
366 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
367 (new_include_prefix): Constify char* parameters.
369 * cppfiles.c (read_name_map): Likewise.
370 (append_include_chain): Likewise. Also, use a writable char* copy
371 of parameter `dir' which we then modify, rather than using the
372 parameter itself to store the new writable string.
373 (remap_filename): Constify some variables. Also, use a writable
374 char* to store an allocated string which we will be modifying.
376 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
377 (cpp_start_read): Constify variable `str'.
379 * cpplib.h (append_include_chain): Constify a char* parameter.
381 * gcc.c Include prefix.h, don't prototype prefix.c functions.
382 (add_prefix, save_string): Constify char* parameters.
383 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
385 * prefix.c: Include prefix.h.
386 (get_key_value, translate_name, save_string, update_path,
387 set_std_prefix): Constify various char* parameters and variables.
388 (save_string): Use xmalloc, not malloc.
389 (translate_name): Use a writable temporary variable to create and
390 modify a string before setting it to a const char*.
392 * prefix.h: New file to prototype functions exported from prefix.c.
394 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
396 * cpplib.c (skip_if_group): Split out the logic that handles
397 directive recognition to its own function. Don't use
398 parse markers; use a bare pointer into the buffer. Use
399 copy/skip_rest_of_line instead of doing it by hand. Remove
400 `return on any directive' mode which was never used, and take
402 (consider_directive_while_skipping): New function, subroutine
403 of skip_if_group. Logic streamlined a bit.
404 (conditional_skip, do_elif, do_else): Call skip_if_group with
407 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
409 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
412 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
414 * extend.texi (Bound member functions): Document.
416 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
419 lang_to_string, type_to_string): Make return type const char*.
420 (print_symbol): Apply `const' keyword to a char*.
421 (print_file_desc): Cast structure member `crfd' to ulong when
422 comparing against one.
424 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
425 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
426 (progname, input_name): Apply `const' keyword to a char*.
427 Don't redundantly include sys/stat.h.
428 (alloc_info): Apply `const' keyword to a char*.
429 (st_to_string, sc_to_string): Likewise.
430 (hash_string): Cast variable `hash_string' to a symint_t when
431 comparing against one.
432 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
433 Likewise cast it to long when comparing against one.
434 (add_local_symbol): Apply `const' keyword to a char*.
435 (add_ext_symbol): Likewise.
436 (add_unknown_tag): Likewise.
437 (add_procedure): Cast a printf-style field width to an int.
438 (add_file): Cast PAGE_USIZE to long when comparing against one
439 (parse_begin): Cast a printf-style field width to an int.
440 (parse_bend): Likewise.
441 (parse_def): Likewise.
442 (parse_end): Likewise.
443 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
444 (parse_stabs_common): Fix format specifier.
445 (parse_input): Change type of variable `i' to Size_t.
446 (write_object): Fix arguments to match format specifiers.
447 Cast variable `num_write' to long when comparing against one.
448 (read_seek): Cast variable `sys_read' to symint_t when comparing
449 against one. Fix arguments to match format specifiers. Cast
450 variable `size' to long when comparing against one.
451 (copy_object): Cast result of `sizeof' to int when comparing
452 against one. Fix arguments to match format specifiers. Cast
453 variable `ifd' to long when comparing against a signed value.
456 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
458 * c-common.c (decl_attributes): Allow applying attribute `unused'
461 * c-parse.in (label): Parse attributes after a label, and call
462 `decl_attributes' to handle them.
464 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
466 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
467 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
469 * invoke.texi: Note that labels can be marked `unused'.
471 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
473 * version.c: Bump for snapshot.
475 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
477 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
478 RTL for a compare/jump sequence.
480 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
482 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
483 for a target with HAVE_cc0 defined.
484 (emit_cmp_and_jump_insns): New function.
485 * expr.h (emit_cmp_and_jump_insns): Prototype it.
486 * loop.c (check_dbra_loop): Use it to replace calls
487 to emit_cmp_insn and emit_jump_insn and to canonicalise
488 the comparison if necessary.
489 * unroll.c (unroll_loop): Likewise.
491 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
493 * fixincludes (sys/utsname.h): Provide forward declaration of
494 struct utsname on Ultrix V4.[35].
496 * mips.md (div_trap): Use local labels instead of dot-relative
499 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
501 * pa.md (branch, negated branch): Handle (const_int 0) as first
503 * pa.c (output_cbranch): Likewise.
505 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
507 * rs6000.c (rs6000_stack_info): Undo spurious part of last
510 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
512 * extend.texi (__builtin_constant_p): Add missing @smallexample.
514 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
516 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
518 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
520 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
521 (adddi_dishl32): Similarly.
523 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
524 for each insn in the skipped block.
526 * reload1.c (reload_as_needed): Verify that the insn satisfies its
527 constraints after replacing a register address with an autoincrement
528 address for reload inheritance purposes.
530 * i386.md (doubleword shifts): Avoid namespace pollution.
532 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
534 * configure.in (FreeBSD ELF): Needs special crt files.
536 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
538 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
540 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
542 * loop.c (check_dbra_loop): While reversing the loop, if the
543 comparison value has a VOID mode use the mode of the other operand
546 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
548 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
549 avoid warnings in compiling explow.c.
551 (patch from Ken Raeburn, raeburn@cygnus.com)
552 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
553 fpmem_offset. Compute total size after that, and then
554 rs6000_fpmem_offset using both values.
556 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
558 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
559 the future; indeed that already happens in some cases.
561 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
563 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
564 (arith_operand): Remove constant_p_rtx handling.
565 (const64_operand, const64_high_operand): Likewise.
566 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
567 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
568 (small_int_or_double, uns_small_int, zero_operand): Likewise.
569 * sparc.h (PREDICATE_CODES): Likewise.
571 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
573 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
575 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
576 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
577 consider constant CONSTRUCTOR constant and to defer some cases
579 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
580 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
582 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
584 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
585 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
587 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
588 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
589 (sext_add_operand, and_operand, or_operand): Likewise.
590 (reg_or_cint_operand, some_operand, input_operand): Likewise.
591 * alpha.h (PREDICATE_CODES): Likewise.
593 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
595 * version.c: Bump for snapshot.
597 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
599 * gengenrtl.c (gencode): Always use bzero to clear memory instead
600 of dangerous casts and stores.
602 * Makefile.in (compare, gnucompare): Add missing else true clauses.
604 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
606 * alpha.md (builtin_longjmp): Add missing "DONE".
608 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
610 * gcc.c (execute): Enable -pipe with win32.
612 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
614 * config/arm/t-arm-elf: Add multiplib option for leading
617 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
618 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
620 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
621 than variable 'reload_address_base_reg_class'. [Note this
622 change is unrelated to the others in this patch].
624 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
627 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
629 * alias.c (record_alias_subset): Remove ignored `&'.
630 (init_alias_once): Likewise.
632 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
634 * config/mips/mips.c (mips_asm_file_end): Cast the result of
635 fwrite to `int' when comparing against one.
637 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
638 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
640 * cse.c (rehash_using_reg): Change type of variable `i' to
643 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
646 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
648 * final.c (final_scan_insn): Likewise for variable `i'.
649 (output_asm_insn): Cast a char to unsigned char when used as an
652 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
655 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
657 * recog.c (preprocess_constraints): Cast a char to unsigned char
658 when used as an array index.
660 * regmove.c (find_matches): Likewise.
662 * reload1.c (calculate_needs): Add default case in switch.
663 (eliminate_regs_in_insn): Initialize variable `offset'.
664 (set_offsets_for_label): Change type of variable `i' to unsigned.
665 (reload_as_needed): Wrap variable `i' in macro check on
666 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
668 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
669 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
670 when comparing against one.
672 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
673 unsigned when comparing against one. Likewise for
674 GET_MODE_ALIGNMENT().
675 (layout_record): Cast record_align to int when comparing against a
677 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
680 * tree.c (get_identifier): Cast variable `len' to unsigned when
681 comparing against one.
682 (maybe_get_identifier): Likewise
684 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
686 * toplev.c (rest_of_compilation): Do not set reload_completed.
687 * reload1.c (reload): Set reload_completed before calling
688 cleanup_subreg_operands.
690 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
692 * reload1.c (emit_reload_insns): Check `set' not null before use.
694 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
696 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
699 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
701 * halfpic.c (half_pic_encode): Delete redundant code.
703 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
705 * toplev.c (main): Delete handling of -dM as a preprocessor
708 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
710 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
711 -dI, which are handled by the preprocessor.
713 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
715 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
716 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
718 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
720 * version.c: Bump for snapshot.
722 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
724 * version.c: Bump for snapshot.
726 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
728 * version.c: Bump for snapshot.
730 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
732 * genattr.c (fatal): Qualify a char* with the `const' keyword.
734 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
735 write_unit_name, write_eligible_delay, expand_units,
736 make_length_attrs, write_attr_case, find_attr,
737 make_internal_attr): Likewise.
738 * gencheck.c (tree_codes): Likewise.
739 * gencodes.c (fatal): Likewise.
740 * genconfig.c (fatal): Likewise.
741 * genemit.c (fatal): Likewise.
742 * genextract.c (fatal, walk_rtx, copystr): Likewise.
743 * genflags.c (fatal): Likewise.
744 * genopinit.c (fatal, optabs, gen_insn): Likewise.
745 * genoutput.c (fatal, error, predicates): Likewise.
746 * genpeep.c (fatal): Likewise.
747 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
748 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
750 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
752 * configure.in (with-fast-fixincludes): Fix whitespace.
753 * configure: Rebuilt.
755 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
756 asm() etc. function declarations in __DECC.
758 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
760 * expr.c (emit_move_insn_1): Only emit a clobber if the target
761 is a pseudo register.
763 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
765 * gcse.c: Include expr.h in order to get the prototype for
766 get_condition() which is used in delete_null_pointer_checks().
768 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
772 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
774 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
775 (ALL_CFLAGS): Delete SCHED_CFLAGS.
777 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
779 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
782 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
784 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
785 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
786 optimizations from the combiner.
788 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
790 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
792 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
794 * toplev.c (main): Disable optimize_size if a specific
795 optimization level is requested. Always set optimization
796 level to 2 if -Os is specified.
798 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
800 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
802 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
803 initialize it using fname.
805 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
807 * cpplib.c (do_include): Treat #include_next in the
808 primary source file as #include plus warning. Treat
809 #include_next in a file included by absolute path as an
810 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
812 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
814 * cccp.c: Don't define MIN/MAX anymore.
815 * cpplib.c: Likewise.
816 * machmode.h: Likewise.
817 * system.h: Provide definitions for MIN/MAX.
819 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
821 * fix-header.c: Don't define xstrdup here.
823 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
825 * loop.c (consec_sets_giv): New argument last_consec_insn.
826 (strength_reduce): Provide / use it.
828 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
830 * loop.h (loop_info): New field 'vtop'.
831 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
832 scanning loop for vtop.
833 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
834 (loop_iterations): Use them to determine if loop has a constant
835 number of iterations. Set loop_info->vtop. Don't subtract
836 common reg term from initial_value and final_value if have a
839 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
841 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
843 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
845 * mn10200.md (abssf2, negsf2): New expanders.
847 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
849 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
851 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
852 replaced by a CONCAT whoes components do not have the same
853 mode as the original SUBREG, use a new SUBREG to restore the
856 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
857 multiword complex values.
859 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
861 * cppalloc.c: Add xstrdup here.
862 * cpplib.h: Remove savestring prototype.
863 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
865 * cppfiles.c: s/savestring/xstrdup/ throughout.
867 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
869 * cpplib.c: Make all directive handlers read their own
871 (struct directive): Remove last two arguments from FUNC
872 member prototype. Remove `command_reads_line' member
874 (directive_table): Remove initializations of
875 command_reads_line flag. Pretty-print.
876 (eval_if_expression, do_define, do_line, do_include,
877 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
878 do_else, do_elif, do_sccs, do_assert, do_unassert,
879 do_warning): Take only two args.
881 (cpp_define): Call do_define with two args and the text to
882 define stuffed into a buffer.
883 (make_assertion): Call do_assert with two args.
884 (handle_directive): Call do_line with two args. Call
885 kt->func with two args. Remove command_reads_line
887 (do_define, do_undef, do_error, do_warning, do_pragma,
888 do_sccs): Read the rest of the line here.
889 (do_ident): Gobble rest of line, as cccp does.
890 (cpp_undef): New function.
891 (cpp_start_read): Call cpp_undef instead of do_undef.
893 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
895 * cpphash.h (union hash_value): Remove `keydef' member, add a
896 `struct hashnode *aschain' member for #assert.
898 * cpplib.c (struct tokenlist_list, struct
899 assertion_hashnode): Delete structure definitions.
900 (assertion_install, assertion_lookup, delete_assertion,
901 check_assertion, compare_token_lists, reverse_token_list,
902 read_token_list, free_token_list): Delete functions.
903 (parse_assertion): New function.
904 (cpp_cleanup): Don't destroy the assertion_hashtable.
906 (do_assert): Gut and rewrite. #assert foo (bar) places
907 entries for `#foo' and `#foo(bar)' in the macro hash table,
908 type T_ASSERT. The value union's `aschain' member is used
909 to chain all answers for a given predicate together.
910 (do_unassert): Also rewritten. Take an un-asserted
911 answer off the chain from its predicate and call
912 delete_macro on the hashnode, or walk a predicate chain
913 calling delete_macro on all the entries.
914 (cpp_read_check_assertion): Simply call parse_assertion to
915 get the canonical assertion name, and look that up in the
918 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
921 * cpphash.c (install): Use bcopy instead of an explicit loop
922 to copy the macro name.
924 * cppexp.c (cpp_lex): Convert the result of
925 cpp_read_check_assertion to a `struct operation' directly;
926 don't go through parse_number.
928 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
930 * loop.h (struct induction): Delete times_used member.
931 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
932 (n_times_used): Rename to n_times_set. Changed all users.
933 (scan_loop): Free reg_single_usage before strength reduction.
934 (record_giv, combine_givs): Remove handling of times_used member.
935 (combine_givs_used_once): Rename to:
936 (combine_givs_used_by_other) . Changed all callers.
938 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
940 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
941 instead of TREE_CODE_CLASS == 't'.
942 (gen_type_die): Likewise.
943 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
945 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
947 * real.c (endian): Disable last change unless
948 HOST_BITS_PER_WIDE_INT is greater than 32.
950 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
952 * output.h (force_data_section): New prototype.
953 * varasm.c (force_data_section): New function to force the
954 data section, regardless of what in_section thinks.
955 * dwarf2out.c (output_call_frame_info): Call force_data_section
956 since varasm may not realize we've changes sections.
958 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
960 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
961 after completeing reload.
963 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
964 deleted after reload.
966 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
968 * rtl.h (multiple_sets): Fix prototype.
969 * rtlanal.c (multiple_sets): Fix return type.
971 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
973 * version.c: Bump for snapshot.
975 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
977 * version.c: Bump for snapshot.
979 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
981 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
983 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
985 * rtl.h (recompute_reg_usage): Add second argument.
986 * flow.c (recompute_reg_usage): Likewise.
987 * toplev.c (rest_of_compilation): Supply second argument to
990 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
993 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
995 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
996 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
997 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1000 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1002 * rtlanal.c (multiple_sets): New function.
1003 * rtl.h (multiple_sets): Declare it.
1004 * local-alloc.c (wipe_dead_reg): Use it.
1005 * global.c (global_conflicts): Likewise.
1007 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1009 * global.c (record_conflicts): Don't use an array of shorts to
1010 store an array of ints.
1011 (global_conflicts): Likewise.
1013 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1015 * alpha.c (alpha_expand_block_move): mode_for_size expects
1016 bits, not bytes. Infer extra alignment from addressof.
1018 1998-12-11 Michael Meissner <meissner@cygnus.com>
1020 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1021 .sbss section, not .sdata.
1023 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1025 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1027 * collect2.c: Likewise.
1028 * cpplib.h: Likewise.
1031 * getpwd.c: Likewise.
1032 * protoize.c: Likewise.
1033 * toplev.c: Likewise.
1035 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1036 and don't try to define it here.
1037 * Makefile.in (cppmain.o): Depend on machmode.h.
1038 (cpplib.o): Likewise.
1039 (cpperror.o): Likewise.
1040 (cppexp.o): Likewise.
1041 (cppfiles.o): Likewise.
1042 (cpphash.o): Likewise.
1043 (cppalloc.o): Likewise.
1044 (fix-header.o): Likewise.
1045 (scan-decls.o): Likewise.
1047 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1049 * sh.c (print_operand): lookup interrupt_handler attribute instead
1050 of relying on static variable.
1051 * (calc_live_regs): Likewise.
1052 * (sh_pragma_insert_attributes): Create interrupt_handler
1053 attribute if a pragma was specified
1054 * (sh_valid_machine_decl_attribute): Don't set static flag.
1055 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1057 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1059 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1060 to determine if a register is live at a jump destination.
1061 Everything is dead at a BARRIER.
1063 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1065 * cse.c (simplify_unary_operation): Sign-extend constants when
1066 they have the most significant bit set for the target.
1067 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1069 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1070 HOST_WIDE_INT temporary before negating it.
1071 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1073 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1075 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1078 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * collect2.h: New header file for prototypes.
1082 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1084 * collect2.c: Include collect2.h.
1085 * tlink.c: Likewise.
1087 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1089 * flow.c: Update some comments.
1091 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1093 * objc/objc-act.c (cpp_initialized): Removed.
1094 (lang_init_options): Initialize cpplib.
1095 (lang_decode_option): Move initialization of cpplib to
1097 * c-lang.c: (parse_options,parse_in): Added.
1098 (lang_init_options): Initialized cpplib here.
1099 * c-decl.c (parse_options,cpp_initialized): Removed.
1100 (c_decode_option): Move initialization of cpplib to
1103 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1105 * reload1.c (reload_combine, reload_combine_note_store):
1106 Make STORE_RUID always valid.
1107 (reload_combine): Check if BASE is clobbered too early.
1109 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1111 * reload.c (find_reloads): Display the insn that cannot be
1114 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1116 * cccp.c (create_definition): Fix end of bufer logic.
1118 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1120 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1121 pointer parameters changed to use the PARAMS() macro.
1123 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1125 * except.h (struct handler_info): Add handler_number field.
1126 * except.c (gen_exception_label): EH labels no longer need to be
1127 on the permanent obstack.
1128 (get_new_handler): Set the label number field.
1129 (output_exception_table_entry): Regenerate handler label reference
1130 from the label number field.
1131 (init_eh): Remove a blank line.
1132 * integrate.c (get_label_from_map): Labels no longer need to be
1133 on the permanent obstack.
1135 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1137 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1138 only when OUTER_CODE is SET.
1140 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1142 * loop.c (strength_reduce): If scan_start points to the loop exit
1143 test, be wary of subversive use of gotos inside expression statements.
1144 Don't set maybe_multiple for a backward jump that does not
1145 include the label under consideration into its range.
1146 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1148 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1150 * explow.c (plus_constant_wide): Don't immediately return with
1151 result of recursive call.
1153 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1155 * eh-common.h (struct eh_context): Add table_index for rethrows.
1157 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1158 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1159 processed when inlined or unrolled (ie duplicated in some way).
1161 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1163 * expr.h (rethrow_libfunc): New library decl.
1165 * optabs.c (rethrow_libfunc): Initialize.
1167 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1168 (new_eh_region_entry): No longer exported from except.c.
1169 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1170 different prototype.
1171 (rethrow_symbol_map, rethrow_used): New exported functions.
1172 (eh_region_from_symbol): New exported function.
1174 * except.c (create_rethrow_ref): New function to create a single
1175 SYMBOL_REF for a rethrow region.
1176 (push_eh_entry): Initialize a rethrow ref.
1177 (func_eh_entry): Add a rethrow_label field.
1178 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1179 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1180 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1181 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1182 a region into an appropriate new symbol.
1183 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1184 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1185 (end_catch_handler): Emit a barrier for new-exceptions since
1186 control can never drop through the end of a catch block.
1187 (expand_end_all_catch): new-exceptions never fall through a catch
1189 (expand_rethrow): use __rethrow routine for new exceptions.
1190 (output_exception_table_entry): Generate rethrow labels, if needed.
1191 (output_exception_table): Generate start and end rethrow labels.
1192 (init_eh): Create rethrow symbols for beginning and end of table.
1193 (scan_region): Don't eliminate EH regions which are the targets of
1196 * flow.c (make_edges): Add different edges for rethrow calls,
1197 identified by having the REG_EH_RETHROW reg label.
1198 (delete_unreachable_blocks): Don't delete regions markers which are
1199 the target of a rethrow.
1201 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1202 allow save_for_inline_copying to call duplicate_eh_handlers.
1203 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1204 exposing internal details of exception regions.
1205 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1206 (expand_inline_function_eh_labelmap): New callback routine to
1207 allow expand_inline_function to call duplicate_eh_handlers.
1208 (expand_inline_function): Call duplicate_eh_handlers instead of
1209 exposing internal details of exception regions.
1210 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1213 * libgcc2.c (find_exception_handler): Generalize to enable it to
1214 pick up processing where it left off last time for a rethrow.
1215 (__unwinding_cleanup): New function. debug hook which is called before
1216 unwinding when __throw finds there is nothing but cleanups left.
1217 (throw_helper): Common parts of __throw extracted out for reuse.
1218 (__throw): Common parts moved to throw_helper.
1219 (__rethrow): New function for performing rethrows.
1221 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1223 * reload1.c (current_function_decl): Tweak declaration.
1225 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1227 * c-decl.c (flag_isoc9x): Default off.
1228 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1229 * cccp.c (print_help, main): Likewise.
1230 * gcc.c (default_compilers): Update for -std=gnu*.
1232 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1234 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1235 * demangle.h: Deleted.
1237 * reload1.c (current_function_decl): Declare.
1239 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1241 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1243 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1245 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1247 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1249 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1251 * configure: Rebuilt.
1252 * system.h: If the *_unlocked functions are available use them
1253 instead of the locked counterparts by defining macros.
1254 * config.in: Regenerated.
1256 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1258 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1259 wrong and should only be used for dump related things, not
1260 debugging information, instead main_input_filename should be used.
1261 Also, reuse output_file_directive if possible.
1262 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1263 * i386/isc.h (ASM_FILE_START): Likewise.
1264 * i386/win-nt.h (ASM_FILE_START): Likewise.
1265 * i386/sun386.h (ASM_FILE_START): Likewise.
1267 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1269 * configure.in (mips*-*-linux*): Handle big and little endian
1271 * configure: Rebuilt.
1273 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1275 * emit-rtl.c: Fix typo.
1277 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1279 * reload1.c (eliminate_regs): Don't do anything, if we're not
1282 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1284 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1286 * mips/mips.c (mips_select_section): Add comment.
1288 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1290 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1291 characters in file names in #line to be consistent with #include
1292 handling. We support escape prcessing in the # 1 "..." version of
1293 the command. See also support in cp/lex.c.
1294 (handle_directive): Likewise.
1295 (do_line): Likewise.
1297 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1299 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1300 so it'll work on non-ASCII platforms. Always consider $ an
1301 identifier character. Take no arguments.
1302 (cpp_reader_init): Call initialize_char_syntax with no
1304 (cpp_start_read): Don't call initialize_char_syntax again.
1305 Clear is_idchar['$'] and is_idstart['$'] if not
1306 opts->dollars_in_ident.
1308 * cpplib.h (struct cpp_reader): Replace void *data element by
1309 cpp_options *opts. Rearrange elements to make gdb printout
1310 less annoying (put buffer stack at end).
1311 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1313 * cppmain.c: s/data/opts/ when initializing cpp_reader
1315 * c-decl.c: Likewise.
1316 * objc/objc-act.c: Likewise.
1317 * fix-header.c: Likewise.
1319 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1321 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1322 with a struct file_name_list pointer.
1323 (struct cpp_reader): Add pointer to chain of `actual
1324 directory' include searchpath entries.
1325 (struct file_name_list): Add *alloc pointer for the sake of
1326 the actual-directory chain.
1328 Move definition of HOST_WIDE_INT here.
1329 (cpp_parse_escape): Change prototype to match changes in
1332 * cppfiles.c (actual_directory): New function.
1333 (finclude): Use it to initialize the buffer's actual_dir
1335 (find_include_file): We don't need to fix up max_include_len
1338 * cpplib.c (do_include): Don't allocate a file_name_list on
1339 the fly for current directory "" includes, use the one that's
1340 been preallocated in pfile->buffer->actual_dir. Hoist out
1341 duplicate code from the search_start selection logic.
1342 (cpp_reader_init): Initialize pfile->actual_dirs.
1344 Remove definition of HOST_WIDE_INT. Change calls
1345 to cpp_parse_escape to match changes in cppexp.c (note
1346 hardcoded MASK, which is safe since this is the source
1349 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1350 to handle wide character constants in #if directives. The
1351 function now returns a HOST_WIDE_INT, and takes a third
1352 argument which is a binary mask for all legal values (0x00ff
1353 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1354 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1355 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1357 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1359 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1361 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1364 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1365 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1367 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1369 * final.c (output_asm_name): Use tabs to seperate comments from
1372 Include instruction lengths (if defined) in output.
1374 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1376 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1377 in the loop_info structure.
1379 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1381 * configure.in: (arm*-*-ecos-elf): New target.
1382 * configure: Regenerated.
1383 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1384 * config/arm/ecos-elf.h: New file.
1385 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1388 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1390 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1392 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1394 * version.c: Bump for snapshot.
1396 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1398 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1401 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1403 * version.c: Bump for snapshot.
1405 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1407 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1408 compressed reports are ok and preferred over URLs
1410 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1412 * invoke.texi (Warning Options): Soften the tone of -pedantic
1414 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1416 * print-rtl.c (print_rtx): Add prototype.
1418 * unroll.c (iteration_info): Make it static.
1420 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1422 * alias.c (memrefs_conflict_p): A second ANDed address
1423 disables the aligned address optimization.
1425 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1427 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1430 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1432 * i960.h (BOOL_TYPE_SIZE): Define.
1434 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1436 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1437 from old valid_parallel_operands_4.
1438 (valid_parallel_operands_4): Check that operands for 4 operand
1439 parallel insns are valid, excluding load/store insns.
1440 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1441 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1442 valid_parallel_load_store instead of valid_parallel_operands_4.
1443 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1444 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1445 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1446 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1447 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1448 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1449 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1451 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1453 * config/c4x/c4x.c (iteration_info): Delete extern.
1455 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1457 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1459 * final.c (cleanup_subreg_operands): Delete some unused code.
1461 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1462 (struct insn_alternative): New structure definition.
1463 (recog_op_alt): Declare variable.
1464 (preprocess_constraints): Declare function.
1465 * recog.c (recog_op_alt): New variable.
1466 (extract_insn): Verify number of alternatives is in range.
1467 (preprocess_constraints): New function.
1468 * reg-stack.c: Include recog.h.
1469 (constrain_asm_operands): Delete.
1470 (get_asm_operand_lengths): Delete.
1471 (get_asm_operand_n_inputs): New function.
1472 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1473 N_OUTPUTS args. All callers changed.
1474 Compute number of inputs and outputs here by calling
1475 get_asm_operand_n_inputs.
1476 Instead of constrain_asm_operands, call extract_insn,
1477 constrain_operands and preprocess_constaints. Use information
1478 computed by these functions throughout.
1479 (record_reg_life): Delete code that is unused due to changes in
1480 record_asm_reg_life.
1481 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1482 N_INPUTS and N_OUTPUTS args. All callers changed.
1483 Similar changes as in record_asm_reg_life.
1484 (subst_stack_regs): Move n_operands declaration into the if statement
1486 Delete code that is unused due to changes in subst_asm_stack_regs.
1487 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1489 * Makefile.in (reg-stack.o): Depend on recog.h.
1491 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1493 * except.c (set_exception_version_code): Argument is an "int".
1495 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1497 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1498 * configure: Rebuilt.
1500 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1502 * configure.in (mipsel-*-linux*): New target.
1503 * mips/linux.h: New file, based on other Linux targets.
1505 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1507 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1508 runs in the context of the deleter, not the deletee, so we must
1509 use taskVarGet to find the correct memory to free.
1510 (__gthread_key_create): Initialize the task
1511 variable subsystem so that the task variable is still active when
1512 the delete hook is run.
1514 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1516 * pdp11.h: Use optimize_size for space optimizations.
1517 * pdp11.c: Likewise.
1518 * pdp11.md: Likewise.
1520 * pdp11.h (TARGET_40_PLUS): Fix typo.
1522 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1524 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1527 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1529 * alias.c (addr_side_effect_eval): New function.
1530 (memrefs_conflict_p): Use it.
1531 * rtl.h (addr_side_effect_eval): Prototype it.
1533 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1535 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1537 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1539 * reload.c (find_reloads): When force const to memory, put result
1540 in substed_operand not *recog_operand_loc.
1542 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1544 * c-lex.c: Fix indentation from last patch.
1545 Remove trailing whitespace.
1548 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1550 * flow.c (delete_block): Call set_last_insn after we have reset
1551 NEXT_INSN (kept_tail).
1553 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1555 * mips.md (trap_if): Use "$0" for the value zero.
1557 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1558 Stephen L Moshier <moshier@world.std.com>
1559 Richard Henderson <rth@cygnus.com>
1561 * c-common.c (declare_function_name): Declare predefinied variable
1564 * c-decl.c (flag_isoc9x): Set to 1 by default.
1565 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1566 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1568 * c-parse.in: Allow constructors in ISO C 9x.
1569 Rewrite designator list handling.
1570 Allow [*] parameters.
1571 Don't warn about comma at end of enum definition for ISO C 9x.
1573 * cccp.c (c9x): New variable.
1574 (rest_extension): New variable.
1575 (print_help): Document new -std= option.
1576 (main): Recognize -std= option. Set c9x appropriately.
1577 (create_definition): Recognize ISO C 9x vararg macros.
1579 * gcc.c (default_compilers): Adjust specs for -std options.
1580 (option_map): Add --std.
1581 (display_help): Document -std.
1583 * toplev.c (documented_lang_options): Add -std and remove
1586 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1587 or REAL_VALUE_HTOF based on base of the constants.
1588 * fold-const.c (real_hex_to_f): New function. Replacement function
1589 for hex FP conversion if REAL_ARITHMETIC is not defined.
1590 * real.c (asctoeg): Add handling of hex FP constants.
1591 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1594 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1596 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1597 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1598 expansion. Use hi/lo as destination register.
1600 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1601 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1602 Avoid as macro expansion. Use hi/lo as destination register.
1604 * mips.h (MASK_CHECK_RANGE_DIV): New.
1605 (MASK_NO_CHECK_ZERO_DIV): New.
1606 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1607 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1608 return address for leaf functions out of r31 to support
1609 builtin_return_address.
1611 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1613 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1614 NEXT_INSN(x) to check insn x.
1616 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1618 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1619 last insn in the rtl chain.
1621 * reload1.c (reload): Do not set reload_completed or split insns
1623 * toplev.c (rest_of_compilation): Set reload_completed after
1624 reload returns. Split insns after reload_cse has run.
1626 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1628 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1630 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1632 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1634 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1636 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1637 use of user-label_prefix.
1639 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1641 * reload1.c (emit_reload_insns): Clear spill_reg_store
1642 when doing a new non-inherited reload from the same pseudo.
1644 * local-alloc.c (function_invariant_p): New function.
1645 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1646 to decide if an equivalence should be recorded.
1647 * reload1.c (num_eliminable_invariants): New static variable.
1648 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1649 to decide if an equivalence should be recorded.
1651 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1652 Take num_eliminable_invariants into account when deciding
1653 if register elimination should be done.
1654 (reload_as_needed): Take num_eliminable_invariants into account
1655 when deciding if register elimination should be done.
1656 (eliminate_regs): Handle non-constant reg_equiv_constant.
1657 * rtl.h (function_invariant_p): Declare.
1659 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1661 * version.c: Bump for snapshot.
1663 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1665 * version.c: Bump for snapshot.
1667 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1669 * except.c (add_new_handler): Complain about additional handlers
1670 after one that catches everything.
1672 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1674 * configure.in (alpha*-*-netbsd): Fix typo.
1675 * configure: Rebuilt.
1677 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * system.h: Include libiberty.h.
1681 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1682 function `concat' from fixed parameters to variable parameters,
1683 as is done in libiberty. All callers of concat/concat3
1684 changed to use the new `concat' with variable args.
1686 * cccp.c: Remove things made redundant by libiberty.h and/or
1687 conform to libiberty standards.
1689 * collect2.c: Likewise.
1690 * config/1750a/1750a.h: Likewise.
1691 * cppalloc.c: Likewise.
1692 * cppexp.c: Likewise.
1693 * cppfiles.c: Likewise.
1694 * cpphash.c: Likewise.
1695 * cpplib.c: Likewise.
1696 * dyn-string.c: Likewise.
1697 * fix-header.c: Likewise.
1700 * genattr.c: Likewise.
1701 * genattrtab.c: Likewise.
1702 * gencheck.c: Likewise.
1703 * gencodes.c: Likewise.
1704 * genconfig.c: Likewise.
1705 * genemit.c: Likewise.
1706 * genextract.c: Likewise.
1707 * genflags.c: Likewise.
1708 * gengenrtl.c: Likewise.
1709 * genopinit.c: Likewise.
1710 * genoutput.c: Likewise.
1711 * genpeep.c: Likewise.
1712 * genrecog.c: Likewise.
1713 * getpwd.c: Likewise.
1714 * halfpic.c: Likewise.
1716 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1717 in NEED_DECLARATION_* macros.
1719 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1720 conform to libiberty standards.
1721 (fatal): Fix const-ification of variable `format' in
1722 !ANSI_PROTOTYPES case.
1724 * prefix.c: Remove things made redundant by libiberty.h and/or
1725 conform to libiberty standards.
1727 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1728 conflicting with function `spaces' from libiberty.
1730 * profile.c: Remove things made redundant by libiberty.h and/or
1731 conform to libiberty standards.
1732 * protoize.c: Likewise.
1735 * tlink.c: Likewise.
1736 * toplev.c: Likewise.
1737 * toplev.h: Likewise.
1740 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1742 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1744 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1746 * README.C4X: Updated URLs.
1747 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1748 (valid_parallel_operands_5): Remove unused variable.
1750 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1752 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1754 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1756 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1757 which can be configured.
1758 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1759 (Makefile): Pass actual LANGUAGES through the environment when
1761 (cstamp-h): Likewise.
1762 (config.status): Likewise.
1764 * configure.in (enable_languages): Add new configuration parameter
1765 "--enable-languages=lang1,lang2,...".
1766 (${srcdir}/*/config-lang.in): Change handling to configure only
1767 those directories, that the user might have enabled; default to
1768 "all" existing languages.
1769 * configure: Regenerate.
1771 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1773 * rtlanal.c (regs_set_between_p): New function.
1774 * rtl.h (regs_set_between_p): Prototype it.
1775 * jump.c (jump_optimize): Use it instead of modified_between_p
1776 in the Sep 2 change.
1778 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1779 Matthias Pfaller <leo@dachau.marco.de>
1781 * invoke.texi (Option Summary, NS32K Options): add description
1782 of NS32K specific options.
1784 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1785 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1786 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1787 negdf2, absdf2): Use l instead of f since the double class and
1788 float class are no longer the same.
1789 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1790 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1791 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1792 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1794 (cmpsi, cmphi, cmpqi): use general_operand instead of
1795 non_immediate_operand. Removes erroneous assumption that can't
1797 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1798 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1800 (movstrsi, movstrsi1, movstrsi2): completely new block move
1802 (...): Patterns to exploit multiply-add instructions.
1803 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1804 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1805 patterns to exploit extended divide insns.
1806 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1809 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1810 float return values as well as simple scalar floats.
1811 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1812 support new flag to denote 32381 fpu.
1813 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1814 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1816 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1817 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1818 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1819 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1820 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1821 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1822 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1823 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1824 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1825 fpu registers and special register classes for new 32381
1826 instructions dotf and polyf.
1827 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1829 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1830 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1832 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1833 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1834 (REGISTER_MOVE_COST): move code to register_move_cost function for
1835 ease of coding and debugging.
1836 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1837 LONG_FLOAT_REGO is likely spilled but not caught by default
1839 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1840 instead of hard coded numbers in range check.
1841 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1842 (...): Add prototypes for functions in ns32k.c but disable because
1843 of problems when ns32k.h is included in machine independant files.
1845 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1846 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1847 hard_regno_mode_ok, secondary_reload_class,
1848 print_operand, print_operand_address): new register scheme to
1849 include 32381 fpu registers and special register classes for new
1850 32381 instructions dotf and polyf.
1851 (gen_indexed_expr): Make static to keep namespace clean.
1852 (check_reg): remove since never called.
1853 (move_tail, expand_block_move): helper functions for "movstrsi"
1855 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1856 Increase cost of moves which go via memory.
1857 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1858 (CPP_PREDEFINES): nolonger predefine "unix".
1860 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1861 Remove erroneous %$. print_operand() can work out from the rtx is
1862 an immediate prefix is required.
1864 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1865 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1866 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1868 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1871 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1872 Correct handling of pic operands.
1873 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1874 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1875 -mrtd calling convention.
1877 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1879 * gcc.c (option_map): Recognize --output-class-directory.
1881 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1883 * loop.h (precondition_loop_p): Added new mode argument.
1884 * unroll.c (precondition_loop_p): Likewise.
1885 (approx_final_value): Function deleted and subsumed
1886 into loop_iterations.
1887 (loop_find_equiv_value): New function.
1888 (loop_iterations): Use loop_find_equiv_value to find increments
1889 too large to be immediate constants. Also use it to find terms
1890 common to initial and final iteration values that can be removed.
1892 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1894 * loop.h (struct loop_info): Define new structure.
1895 (precondition_loop_p): Added prototype.
1896 (unroll_loop): Added new argument loop_info to prototype.
1897 (final_biv_value, final_giv_value): Added new argument n_iterations
1899 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1900 and new pointer loop_info.
1901 (loop_n_iterations): Replace global variable by element in
1902 loop_info structure.
1903 (check_final_value): New argument n_iterations.
1904 (insert_bct): New argument loop_info.
1905 (loop_unroll_factor): Replace global array by element in
1906 loop_info structure.
1907 (loop_optimize): Remove code to allocate and initialise
1908 loop_unroll_factor_array.
1909 * unroll.c (precondition_loop_p): No longer static since
1910 used by branch on count optimization.
1911 (precondition_loop_p, unroll_loop): New argument loop_info.
1912 (final_biv_value, final_giv_value, find_splittable_regs): New
1913 argument n_iterations.
1914 (loop_iteration_var, loop_initial_value, loop_increment,
1915 loop_final_value, loop_comparison_code, loop_unroll_factor):
1916 Replaced global variables by loop_info structure.
1917 (loop_unroll_factor): Replace global array by element in
1918 loop_info structure.
1920 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1922 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1925 * unroll.c (precondition_loop_p): Return loop_initial_value
1926 for initial_value instead of loop_iteration_var.
1928 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1930 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1931 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1932 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1933 to output the instruction sequences.
1935 (rptb_top): Provide alternatives to use any register or memory
1937 (rptb_end): Emit use of operands rather than assigning them
1938 explicitly to the RS and RE registers.
1940 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1942 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1943 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1944 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1945 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1946 c4x_merge_notes, c4x_parallel_process,
1947 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1948 c4x_combine_parallel): Delete.
1950 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1952 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1953 with old target options clear flag_branch_on_count_reg if
1954 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1956 (c4x_output_cbranch): Handle a sequence of insns rather than a
1958 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1959 has not been allocated as the loop counter.
1960 (c4x_address_conflict): Do not allow two volatile memory references.
1961 (valid_parallel_operands_4, valid_parallel_operands_5,
1962 valid_parallel_operands_6): Reject pattern if the register destination
1963 of the first set is used as part of an address in the second set.
1965 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1967 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1968 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1969 is no longer enabled if PARALLEL_MPY_FLAG set.
1970 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1971 (REG_CLASS_CONTENTS): Add braces around initializers.
1972 (HAVE_MULTIPLE_PACK): Define.
1973 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1974 REAL_VALUE_TO_DECIMAL.
1975 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1976 REAL_VALUE_TO_DECIMAL.
1977 (ar0_reg_operand): Add prototype.
1978 (ar0_mem_operand): Likewise.
1979 (ar1_reg_operand): Likewise.
1980 (ar1_mem_operand): Likewise.
1981 (ar2_reg_operand): Likewise.
1982 (ar2_mem_operand): Likewise.
1983 (ar3_reg_operand): Likewise.
1984 (ar3_mem_operand): Likewise.
1985 (ar4_reg_operand): Likewise.
1986 (ar4_mem_operand): Likewise.
1987 (ar5_reg_operand): Likewise.
1988 (ar5_mem_operand): Likewise.
1989 (ar6_reg_operand): Likewise.
1990 (ar6_mem_operand): Likewise.
1991 (ar7_reg_operand): Likewise.
1992 (ar7_mem_operand): Likewise.
1993 (ir0_reg_operand): Likewise.
1994 (ir0_mem_operand): Likewise.
1995 (ir1_reg_operand): Likewise.
1996 (ir1_mem_operand): Likewise.
1997 (group1_reg_operand): Likewise.
1998 (group1_mem_operand): Likewise.
1999 (ir1_reg_operand): Likewise.
2000 (arx_reg_operand): Likewise.
2001 (not_rc_reg): Likewise.
2002 (not_modify_reg): Likewise.
2003 (c4x_group1_reg_operand): Remove prototype.
2004 (c4x_group1_mem_operand): Likewise.
2005 (c4x_arx_reg_operand): Likewise.
2007 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2009 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2010 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2012 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2014 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2017 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2019 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2020 unless FMOVD_WORKS is defined.
2022 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2024 * regclass.c (init_reg_sets): Move code that calculates tables
2025 dependent on reg_class_contents from here...
2026 (init_reg_sets_1): To here.
2028 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2030 * cpplib.h: Delete struct import_file. Add ihash element to
2031 struct cpp_buffer. Delete dont_repeat_files and
2032 import_hash_table elements from cpp_reader; change
2033 all_include_files to a hash table. Delete all foobar_include
2034 / last_foobar_include elements from struct cpp_options; put
2035 back four such: quote_include, bracket_include,
2036 system_include, after_include. Redo struct file_name_list
2037 completely. Add new structure type include_hash. Add
2038 prototypes for merge_include_chains and include_hash. Change
2039 prototypes for finclude, find_include_file, and
2040 append_include_chain to match changes below.
2042 * cppfiles.c (simplify_pathname, include_hash,
2043 remap_filename, merge_include_chains): New functions.
2044 (add_import, lookup_import, open_include_file): Removed.
2045 (INO_T_EQ): Define this (copied from cccp.c).
2046 (hack_vms_include_specification): Remove all calls and #if 0
2047 out the definition. It was being called incorrectly and at
2048 the wrong times. Until a VMSie can look at this, it's better
2049 to not pretend to support it.
2050 (append_include_chain): Change calling convention; now takes
2051 only one directory at a time, and sets up the data structure
2053 (redundant_include_p): Rewritten - this is now used for all
2054 include redundancy, whether by #ifndef, #import, or #pragma
2055 once. Looks up things in the include hash table.
2056 (file_cleanup): Decrement pfile->system_include_depth here if
2058 (find_include_file): Calling convention changed; now passes
2059 around a struct include_hash instead of 3 separate parameters.
2060 Guts ripped out and replaced with new include_hash mechanism.
2061 (finclude): Calling convention changed as for
2062 find_include_file. Error exits pulled out-of-line. Reformat.
2063 (safe_read): Return a long, not an int.
2064 (deps_output): Don't recurse.
2066 * cpplib.c (is_system_include): Deleted.
2067 (path_include): Fix up call to append_include_chain.
2068 (do_include): Fix up calls to find_include_file and finclude.
2069 Clean up dependency output a bit. Shorten obnoxiously lengthy
2070 #import warning message. Don't decrement
2071 pfile->system_include_depth here.
2072 (do_pragma): Understand the include_hash structure. Reformat.
2073 (do_endif): Correct handling of control macros. Understand
2075 (cpp_start_read): Fix up calls to finclude. Call
2076 merge_include_chains.
2077 (cpp_handle_option): Fix up calls to append_include_chain.
2078 Understand the four partial include chains.
2079 (cpp_finish): Add debugging code (#if 0-ed out) for the
2081 (cpp_cleanup): Free the include_hash, not the import hash and
2082 the all_include and dont_repeat lists which no longer exist.
2084 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2086 * toplev.c (no_new_pseudos): Define.
2087 (rest_of_compilation): Set no_new_pseudos as needed.
2088 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2089 if no_new_pseudos is set.
2090 * rtl.h (no_new_pseudos): Declare it.
2091 * reload1.c (reload): Update comments.
2092 * md.texi: Corresponding changes.
2094 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2096 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2097 (choose_reload_regs): Rename it here as well. When computing it,
2098 also merge in used hardregs.
2100 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2102 * gcc.c: Split out Objective-C specs to...
2103 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2106 * c-lex.c (init_parse): Always initialize the filename global.
2107 * objc/objc-act.c (lang_init): Always call check_newline at
2110 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2112 * reload1.c (reload): Remove unused variable.
2113 (reload_reg_free_for_value_p): Add missing parameter definition.
2115 * jump.c (jump_optimize): Remove unused variable.
2117 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2119 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2121 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2123 * expr.c (move_by_pieces): Similarly.
2124 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2125 * flow.c (find_auto_inc): Similarly.
2126 (try_pre_increment): Similarly.
2127 * loop.c (strength_reduce): Similarly.
2128 * regclass.c (auto_inc_dec_reg_p): Similarly.
2129 * regmove.c (try_auto_increment): Similarly.
2130 (fixup_match_1): Similarly.
2131 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2132 (HAVE_PRE_DECREMENT): Similarly.
2133 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2134 * Corresponding changes to all target header files.
2135 * tm.texi: Update docs for autoinc addressing modes.
2137 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2139 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2140 * configure: Rebuild.
2141 * config/elfos.h: New file.
2142 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2143 config/m68k/t-m68kelf: New file.
2145 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2147 * Makefile.in (HOST_AR): Define.
2148 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2149 (libcpp.a): Use the host tools explicitly.
2150 (STAGESTUFF): Add libcpp.a.
2152 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2154 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2155 to source and destination registers.
2157 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2159 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2160 The strategy we now use is to pre allocate the top_elt along
2161 with the EH context so that each thread has its own top_elt.
2162 This is necessary as the dynmanic cleanup chain is used on the
2163 top element of the stack and each thread MUST have its own.
2164 (eh_context_static): Likewise.
2165 (new_eh_context): Likewise.
2166 (__sjthrow): Likewise.
2168 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2170 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2171 * i386.md (prologue_get_pc): Remove unused variable.
2173 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2175 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2177 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2179 * Makefile.in (OBJS): Add graph.o
2180 (graph.o): New dependency list.
2181 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2182 * print-rtl.c (dump_for_graph): Define new variable.
2183 (print_rtx): Rewrite to allow use in graph dumping functions.
2184 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2185 finish_graph_dump_file.
2186 Define graph_dump_format.
2187 (compile_file): If graph dumping is enabled also clear these files.
2188 Finish graph dump files.
2189 (rest_of_compilation): Also dump graph information if enabled.
2190 (main): Recognize -dv to enabled VCG based graph dumping.
2191 * graph.c: New file. Graph dumping functions.
2193 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2195 * configure.in: Look for <sys/stat.h>.
2196 * system.h: Include it before substitute S_ISREG definitions.
2198 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2200 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2201 * config/mips/iris6.h: Same.
2202 * config/mips/mips.md: Same.
2203 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2204 * config/mips/mips.h: Same; also define ABI_O64.
2206 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2208 * configure.in: Use AC_PREREQ(2.12.1).
2210 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2212 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2213 * cpplib.c, gcc.c: Likewise.
2214 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2216 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2218 * local-alloc.c (local_alloc): Use malloc not alloca for
2219 reg_qty, reg_offset, ref_next_in_qty.
2221 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2223 * caller-save.c (insert_one_insn): Initialize the live_before and
2224 live_after register sets.
2228 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2229 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2230 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2231 (fp_reg_names, assembler_dialect): New variables.
2232 (print_operand_address): Handle SUBREGs.
2233 (print_operand): Added 'o' case.
2234 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2235 Name of FP registers depends on mode.
2236 (expand_block_move): Emit different code for SH4 hardware.
2237 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2238 (from_compare): Likewise.
2239 (add_constant): New argument last_value. Changed all callers.
2240 (find_barrier): Don't try HImode load for FPUL_REG.
2241 (machine_dependent_reorg): Likewise.
2242 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2243 (gen_far_branch): Emit a barrier after the new jump.
2244 (barrier_align): Don't trust instruction lengths before
2246 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2247 Use auto-inc addressing for fp registers if doubles need to
2248 be loaded in two steps.
2249 Set sh_flag_remove_dead_before_cse.
2250 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2251 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2252 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2253 Support for FIRST_XD_REG .. LAST_XD_REG.
2254 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2255 (sh_expand_epilogue): Likewise.
2256 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2257 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2258 (arith_reg_operand): FPUL_REG is OK for SH4.
2259 (fp_arith_reg_operand, fp_extended_operand) New functions.
2260 (tertiary_reload_operand, fpscr_operand): Likewise.
2261 (commutative_float_operator, noncommutative_float_operator): Likewise.
2262 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2263 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2264 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2265 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2266 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2267 (CONDITIONAL_REGISTER_USAGE): Likewise.
2268 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2269 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2270 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2271 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2272 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2273 to -1 and sh_flag_remove_dead_before_cse to 1.
2274 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2275 (assembler_dialect, fp_reg_names): Declare.
2276 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2277 Hide names of registers that are not accessible.
2278 (CACHE_LOG): Take TARGET_CACHE32 into account.
2279 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2280 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2281 (FIRST_PSEUDO_REGISTER: Now 49.
2282 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2283 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2284 (HARD_REGNO_MODE_OK): Update.
2285 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2286 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2287 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2288 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2289 (NPARM_REGS): Eight floating point parameter registers on SH4.
2290 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2291 in floating point registers.
2292 (GET_SH_ARG_CLASS) Likewise.
2293 Complex float types are also returned in float registers.
2294 (BASE_ARG_REG): Complex float types are also passes in float registers.
2295 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2296 (LIBCALL_VALUE): Remove trailing semicolon.
2297 (ROUND_REG): Round when double precision value is passed in floating
2299 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2300 passed on the stack.
2301 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2302 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2303 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2304 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2305 (MODE_DISP_OK_8): Not for SH4 DFmode.
2306 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2307 Allow indexed addressing for PSImode after reload.
2308 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2309 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2310 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2311 (DOUBLE_TYPE_SIZE): 64 for SH4.
2312 (RTX_COSTS): Add PLUS case.
2313 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2314 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2315 MAC_REGS, PR_REGS, DF_REGS.
2316 (REGISTER_NAMES): Use fp_reg_names.
2317 (enum processor_type): Add PROCESSOR_SH4.
2318 (sh_flag_remove_dead_before_cse): Declare.
2319 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2320 (PREDICATE_CODES): Add binary_float_operator,
2321 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2322 fpscr_operand, noncommutative_float_operator.
2323 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2324 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2325 * sh.md (attribute cpu): Add value sh4.
2326 (attrbutes fmovd, issues): Define.
2327 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2328 (function units memory, int, mpy, fp): Make dependent on issue rate.
2329 (function units issue, single_issue, load_si, load): Define.
2330 (function units load_store, fdiv, gp_fpul): Define.
2331 (attribute hit_stack): Provide proper default.
2332 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2333 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2334 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2335 (mulsi3_call): Now uses match_operand for function address.
2336 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2338 (push, pop, push_e, pop_e): Now define_expands.
2339 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2340 (movsi_ie): Added y/i alternative.
2341 (ic_invalidate_line_i, movdf_i4): New insns.
2342 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2343 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2344 (movdf): Add special code for SH4.
2345 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2346 (call_valuei, calli, call_value): Likewise.
2347 (movsf): Emit no-op move.
2348 (mov_nop, movsi_y): New insns.
2349 (blt, sge): generalize to handle DFmode.
2350 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2351 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2352 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2353 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2354 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2355 (toggle_sz): New insn.
2356 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2357 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2358 (macsf3): Make use of fpscr visible. Disable for SH4.
2359 (floatsisf2): Make use of fpscr visible.
2360 (floatsisf2_i4): New insn.
2361 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2362 (ieee_ccmpeqsf_t): Likewise.
2363 (fix_truncsfsi2): Emit different code for SH4.
2364 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2365 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2366 (negsf2, sqrtsf2, abssf2): Now expanders.
2367 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2368 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2369 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2370 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2371 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2372 (fix_truncdfsi2_i4_2+1): New splitters.
2373 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2374 (extendsfdf2, truncdfsf2): New expanders.
2375 (truncdfsf2_i4): New insn.
2376 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2377 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2378 * float-sh.h: When testing for __SH3E__, also test for
2379 __SH4_SINGLE_ONLY__ .
2380 * va-sh.h (__va_freg): Define to float.
2381 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2382 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2383 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2384 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2386 (TARGET_SH4_P): Define.
2389 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2390 init_expr_once is satisfied about the existence of load / store insns.
2392 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2393 change m constraint in source operand to mr / mf .
2395 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2397 * (__VA_REEF): Define.
2398 (__va_arg_sh1): Use it.
2400 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2402 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2404 * i386/dgux.c (struct option): Add new "description field".
2405 * m88k/m88k.c (struct option): Likewise.
2407 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2409 * version.c: Bump for snapshot.
2411 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2413 * regmove.c (regmove_profitable_p): Use return value of find_matches
2416 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2418 * version.c: Bump for snapshot.
2420 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2422 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2423 without reload having been called earlier.
2425 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2427 (v850_reorg): Similarly.
2429 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2431 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2433 * loop.c (move_movables): Start of libcall might be new loop start.
2435 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2437 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2439 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2441 * function.c (nonlocal_goto_handler_slots): Renamed from
2442 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2443 (push_function_context_to): Adjust for this change.
2444 (pop_function_context_from): Likewise.
2445 (init_function_start): Likewise.
2446 (expand_function_end): Likewise.
2447 * function.h (struct function): Likewise.
2448 * calls.c (expand_call): Likewise.
2449 * explow.c (allocate_dynamic_stack_space): Likewise.
2450 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2451 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2453 (expand_goto): When doing a nonlocal goto, find corresponding handler
2454 slot for it. Don't put the label address in the static chain register.
2455 (expand_end_bindings): Break out nonlocal goto handling code into
2456 three new functions.
2457 (expand_nl_handler_label, expand_nl_goto_receiver,
2458 expand_nl_goto_receivers): New static functions, broken out of
2459 expand_end_bindings and adapted to create one handler per nonlocal
2461 * function.c (delete_handlers): Delete insn if it references any of
2462 the nonlocal goto handler slots.
2463 * i960.md (nonlocal_goto): Comment out code that modifies
2465 * sparc.md (nonlocal_goto): Likewise.
2466 (goto_handler_and_restore_v9): Comment out.
2467 (goto_handler_and_restore_v9_sp64): Comment out.
2469 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2471 * expr.c (STACK_BYTES): Delete unused macro.
2472 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2473 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2474 (expand_call): Likewise.
2475 (emit_library_call): Likewise.
2476 (emit_library_call_value): Likewise.
2477 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2478 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2479 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2480 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2481 (allocate_dynamic_stack_space): Likewise.
2482 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2483 (STACK_BOUNDARY): Update description to reflect the new situation.
2485 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2487 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2488 return with a filled delay slot is followed by a return with an
2489 unfilled delay slot, delete the first return and reemit the insn
2490 that was previously in its delay slot.
2492 * i860.c (single_insn_src_p): Add missing parens.
2493 * ginclude/math-3300.h: Likewise.
2495 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2497 * regclass.c (init_reg_sets_1): Add prototype.
2498 (init_reg_modes): Likewise.
2500 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2502 * c-common.c: Change warning messages to say `comparison is
2503 always true' or `comparison is always false' instead of the
2504 confusing `is always 0', `is always 1'.
2506 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2508 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2509 break instead of return (which loses closing '>').
2511 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2513 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2514 standard 387 constants.
2516 * i386.md (jump): Explicitly set "memory" attribute.
2517 (indirect_jump, prologue_set_stack_ptr): Likewise.
2518 (prologue_get_pc_and_set_got, pop): Likewise.
2519 (allocate_stack_worder, blockage, return_internal): Likewise.
2520 (return_pop_internal, nop): Likewise.
2521 (epilogue_set_stack_ptr, leave): Likewise.
2523 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2525 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2527 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2529 * reload1.c (reload_reg_free_for_value_p):
2530 Early auto_inc reloads don't conflict with outputs.
2532 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2534 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2535 Instead call AC_HEADER_SYS_WAIT.
2537 * collect2.c: Don't provide defaults for sys/wait.h macros.
2539 * protoize.c: Likewise. Also, don't include sys/wait.h.
2541 * system.h: Include sys/wait.h and provide macro defaults.
2543 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2545 * Makefile.in (mandir): Set to @mandir@.
2546 (man1dir): New variable to hold the former value of $(mandir).
2547 Replace all uses of $(mandir) by $(man1dir).
2549 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2551 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2552 a new one before passing it to force_const_mem.
2554 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2555 find_reloads_address call.
2557 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2559 * expr.c (store_expr): Don't generate load-store pair
2560 if TEMP is identical (according to ==) with TARGET.
2562 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2564 * reload1.c (reload_reg_free_for_value_p): When considered reload
2565 has an output, matching inputs are not sufficient to avoid conflict.
2567 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2569 * hash.h (hash_table_key): New type.
2570 (hash_entry): Change `string' field to generic `key'.
2571 (hash_table): Add `comp' and `hash' functions.
2572 (hash_table_init): Take them as input.
2573 (hash_table_init_n): Likewise.
2574 (hash_lookup): Modify for generic keys.
2575 (hash_newfunc): Likewise.
2576 (hash_traverse): Likewise.
2577 (string_hash): New function.
2578 (string_compare): Likewise.
2579 (string_copy): Likewise.
2580 * hash.c (hash_table_init_n): Modify for generic keys.
2581 (hash_table_init): Likewise.
2582 (hash_lookup): Likewise.
2583 (hash_newfunc): Likewise.
2584 (hash_traverse): Likewise.
2585 (string_hash): Split out from hash_lookup.
2586 (string_compare): New function.
2587 (string_copy): Split out from hash_lookup.
2588 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2590 (symbol_hash_lookup): Likewise.
2591 (file_hash_newfunc): Likewise.
2592 (file_hash_lookup): Likewise.
2593 (demangled_hash_newfunc): Likewise.
2594 (demangled_hash_lookup): Likewise.
2595 (tlink_int): Likewise.
2596 (read_repo_file): Likewise.
2597 (recompile_files): Likewise.
2598 (demangle_new_symbols): Likewise.
2599 (scan_linker_output): Likewise.
2601 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2603 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2605 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2607 * rs6000.c (output_mi_thunk): Improve test for local branch.
2609 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2611 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2613 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2615 * reload1.c (reload_reg_free_before_p): Delete.
2616 Changed all callers to use reload_reg_free_for_value_p instead.
2617 (reload_reg_free_for_value_p): Handle more reload types.
2618 A RELOAD_FOR_INPUT doesn't conflict with its
2619 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2620 Add special case for OUT == const0_rtx.
2621 Added ignore_address_reloads argument. Changed all callers.
2623 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2625 * toplev.c (compile_file): Don't pedwarn about undefined static
2626 functions just because we passed -Wunused.
2628 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2630 * function.c (purge_addressof_1): Unshare rtl created by
2633 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2635 * regmove.c (regmove_optimize): Don't do anything but
2636 optimize_reg_copy[123] when flag_regmove is not set.
2638 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2640 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2641 value in paradoxical SImode result, rather than truncating midpoint.
2643 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2645 * alpha.c (reg_not_elim_operand): New.
2646 * alpha.h (PREDICATE_CODES): Add it.
2647 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2648 for the multiplicand.
2650 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2652 * rs6000.md (movsf): Remove explicit secondary-reload-like
2653 functionality. Only truncate SFmode store if in FPR.
2654 (movsf splitters): Combine const_double splitters.
2655 (movsf_hardfloat): Add GPR support.
2657 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2659 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2660 deprecate -mlive-g0 and -mbroken-saverestore.
2661 * t-splet (MULTILIB_OPTIONS): Likewise.
2663 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2664 in a leaf function. Clarify total_size/extra_size relationship.
2666 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2668 * i386/cygwin32.asm: Delete.
2669 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2670 * i386/cygwin32.h: Delete.
2671 * i386/cygwin.h: New file, renamed from cygwin32.h.
2672 * i386/t-cygwin32: Delete.
2673 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2674 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2675 * i386/x-cygwin32: Delete.
2676 * i386/x-cygwin: New file, renamed from x-cygwin32.
2677 * i386/xm-cygwin32: Delete.
2678 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2679 renamed cygwin_ funcs for path translations.
2680 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2681 * i386/winnt.c: Remove "32" from comment about cygwin.
2682 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2683 * rs6000/cygwin32.h: Delete.
2684 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2685 -D__CYGWIN__ to CPP_PREDEFINES.
2686 * rs6000/x-cygwin32: Delete.
2687 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2688 * rs6000/xm-cygwin32: Delete.
2689 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2691 * configure.in: Check for cygwin* instead of cygwin32. Account
2692 for the rename of cygwin-related config files to lose the "32"s.
2693 * configure: Regenerate.
2695 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2696 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2698 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2700 * Makefile.in (JAVAGC): New macro.
2701 * configure: Rebuilt.
2702 * configure.in: Recognize --enable-java-gc argument. Subst
2705 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2707 Handle equivalences that have been obscured by gcse:
2709 * reload1.c (reload): Handle equivalences set up in multiple places.
2710 * local-alloc.c (reg_equiv_init_insns): New variable.
2711 (no_equiv): New function.
2712 (update_equiv_regs): Handle equivalences set up in multiple places.
2713 Don't ignore an insn just because its destination is likely to be
2716 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2718 * except.c (expand_eh_return): Readd force_operand call lost in
2721 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2723 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2725 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2727 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2729 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2731 * regmove.c (regmove_optimize): Fix error in last change.
2733 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2735 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2736 offset in the .mask pseudo to compensate for frame pointer adjustments.
2737 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2738 word swap arguments moved to/from FP registers.
2739 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2741 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2743 * version.c: Bump for snapshot.
2745 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2747 * version.c: Bump for snapshot.
2749 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2751 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2752 times, then it can not be completely replaced.
2754 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2756 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2758 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2760 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2761 (to distinguish it from the macro wrapping ansidecl.h.)
2762 Include libiberty's ansidecl.h. Remove all redundant definitions.
2763 Define the PROTO() style macros in terms of the PARAMS() ones.
2766 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2767 __STDC__, when deciding whether to use ANSI variable args.
2768 (emit_library_call_value): Likewise.
2770 * cccp.c (error): Likewise.
2771 (warning): Likewise.
2772 (error_with_line): Likewise.
2773 (warning_with_line): Likewise.
2774 (pedwarn): Likewise.
2775 (pedwarn_with_line): Likewise.
2776 (pedwarn_with_file_and_line): Likewise.
2779 * cexp.y (error): Likewise.
2780 (pedwarn): Likewise.
2781 (warning): Likewise.
2783 * collect2.c (fatal_perror): Likewise.
2787 * combine.c (gen_rtx_combine): Likewise.
2789 * cpperror.c (cpp_message): Likewise.
2790 (cpp_fatal): Likewise.
2792 * cpplib.c (cpp_error): Likewise.
2793 (cpp_warning): Likewise.
2794 (cpp_pedwarn): Likewise.
2795 (cpp_error_with_line): Likewise.
2796 (cpp_warning_with_line): Likewise.
2797 (cpp_pedwarn_with_line): Likewise.
2798 (cpp_pedwarn_with_file_and_line): Likewise.
2800 * cpplib.h: Don't define PARAMS() macro.
2802 * demangle.h: Likewise.
2804 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2805 when deciding whether to use ANSI variable args.
2807 * emit-rtl.c (gen_rtx): Likewise.
2808 (gen_rtvec): Likewise.
2810 * final.c (asm_fprintf): Likewise.
2812 * fix-header.c (cpp_message): Likewise.
2814 (cpp_fatal): Likewise.
2816 * gcc.c (concat): Likewise.
2820 * genattr.c (fatal): Likewise.
2822 * genattrtab.c (attr_rtx): Likewise.
2823 (attr_printf): Likewise.
2826 * gencodes.c (fatal): Likewise.
2828 * genconfig.c (fatal): Likewise.
2830 * genemit.c (fatal): Likewise.
2832 * genextract.c (fatal): Likewise.
2834 * genflags.c (fatal): Likewise.
2836 * genopinit.c (fatal): Likewise.
2838 * genoutput.c (fatal): Likewise.
2841 * genpeep.c (fatal): Likewise.
2843 * genrecog.c (fatal): Likewise.
2845 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2846 deciding whether to declare `tree_node' and `rtx_def'.
2848 * hash.h: Don't define stuff we get from gansidecl.h.
2850 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2851 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2852 whether to use ANSI variable args.
2855 * prefix.c (concat): Likewise.
2859 * system.h: Likewise.
2861 * toplev.c (error_with_file_and_line): Likewise.
2862 (error_with_decl): Likewise.
2863 (error_for_asm): Likewise.
2866 (warning_with_file_and_line): Likewise.
2867 (warning_with_decl): Likewise.
2868 (warning_for_asm): Likewise.
2869 (warning): Likewise.
2870 (pedwarn): Likewise.
2871 (pedwarn_with_decl): Likewise.
2872 (pedwarn_with_file_and_line): Likewise.
2874 (really_sorry): Likewise.
2876 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2877 whether to declare `tree_node' and `rtx_def'.
2879 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2880 deciding whether to use ANSI variable args.
2881 (build_nt): Likewise.
2882 (build_parse_node): Likewise.
2884 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2886 * version.c: Bump for snapshot.
2888 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2892 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2894 * collect2.c (main, case 'b'): Use else if.
2896 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2898 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2899 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2900 before the config/ directory headers.
2901 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2902 gansidecl.h in the list of dependencies.
2904 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2905 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2906 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2907 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2908 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2909 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2912 * cccp.c: Don't include gansidecl.h.
2914 * collect2.c: Likewise.
2915 * config/c4x/c4x.c: Likewise.
2916 * config/v850/v850.h: Likewise.
2917 * cppalloc.c: Likewise.
2918 * cpperror.c: Likewise.
2919 * cppexp.c: Likewise.
2920 * cppfiles.c: Likewise.
2921 * cpphash.c: Likewise.
2922 * cpplib.c: Likewise.
2923 * cppmain.c: Likewise.
2924 * cppulp.c: Likewise.
2925 * demangle.h: Likewise.
2926 * doprint.c: Likewise.
2927 * dyn-string.c: Likewise.
2928 * eh-common.h: Likewise.
2929 * fix-header.c: Likewise.
2930 * frame.c: Likewise.
2933 * gen-protos.c: Likewise.
2934 * gencheck.c: Likewise.
2935 * halfpic.h: Likewise.
2937 * machmode.h: Likewise.
2938 * mbchar.c: Likewise.
2939 * prefix.c: Likewise.
2940 * protoize.c: Likewise.
2941 * recog.h: Likewise.
2943 * scan-decls.c: Likewise.
2945 * varray.h: Likewise.
2947 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2949 * i386.md (call_value_pop): If we're not popping anything,
2950 defer to call_value.
2951 (call_pop): Likewise defer to call.
2953 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2955 * function.c (purge_addressof): Clear purge_addressof_replacements
2956 only after processing the whole function.
2958 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2960 * reload1.c (reload): If we can not perform a particular elimination
2961 when we thought we could earlier, then we must always iterate through
2962 the loop at least one more time.
2964 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2966 * alpha.c (add_operand): Simplify the CONST_INT match.
2967 (sext_add_operand): Correct typo in comparison by using
2968 CONST_OK_FOR_LETTER_P.
2969 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2970 constant alternatives to be generated.
2971 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2972 small constants, since the hw instructions do.
2974 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2976 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2977 previous insn to store directly into our reload register, make sure
2978 that if the source of the previous insn is a reload register, its
2979 spill_reg_store and spill_reg_stored_to values are cleared.
2981 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2983 * rs6000.md (floatunssidf2_internal splitter): Use base register
2984 operand, not hard-coded SP.
2986 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2988 * jump.c (calculate_can_reach_end): Fix thinko.
2990 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2992 * reorg.c (fill_simple_delay_slots): Fix typo.
2994 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2996 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2998 * i386.md (extendsidi2): Use # in the output template.
2999 (extendsidi splitters): New splitters.
3001 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3003 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3005 * configure: Regenerate.
3007 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3009 * jump.c (init_label_info, delete_barrier_successors,
3010 mark_all_labels, delete_unreferenced_labels,
3011 delete_noop_moves, calculate_can_reach_end): New functions broken
3012 out of jump_optimize.
3013 (jump_optimize): Use them.
3015 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3017 * except.c (expand_fixup_region_end): Make sure outer context labels
3018 are not issued in an inner context during cleanups.
3020 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3022 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3025 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3027 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3028 to expose this midpoint to CSE.
3030 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3032 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3034 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3036 * configure.in: Bring over gcc2 change of Nov 19 1997.
3038 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3040 * toplev.c (output_lang_identify): Make definition dependent on
3041 ASM_IDENTIFY_LANGUAGE.
3043 * print-rtl.c (spaces): Make static.
3045 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3047 * extend.texi: Clarify proper uses for register clobbers in asms.
3049 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3051 * recog.h (enum op_type): Define.
3052 (constrain_operands): Adjust prototype.
3053 (recog_op_type): Declare new variable.
3054 * recog.c (recog_op_type): New variable.
3055 (insn_invalid_p): Allow modifying an asm statement after reload.
3056 (extract_insn): Set up recog_op_type.
3057 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3058 Don't compute operand types, use recog_op_type.
3059 Use the information computed by extract_insn instead of the previous
3060 method of finding it by insn code number.
3061 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3062 * reorg.c (fill_slots_from_thread): Likewise.
3063 * reload1.c (reload_as_needed): Likewise.
3064 (gen_reload): Likewise.
3065 (inc_for_reload): Likewise.
3066 (reload_cse_simplify_operands): Likewise.
3067 Use the information computed by extract_insn instead of the previous
3068 method of finding it by insn code number.
3069 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3071 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3072 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3073 Use the information computed by extract_insn instead of the previous
3074 method of finding it by insn code number.
3075 * regmove.c (find_matches): Likewise. Change meaning of the return
3076 value to be nonzero if the optimization can be performed, zero if
3077 not. All callers changed.
3078 Shorten some variable names to fix formatting problems.
3079 (regmove_optimize): Shorten some variable names to fix formatting
3081 Use the information computed by extract_insn instead of the previous
3082 method of finding it by insn code number.
3083 * regclass.c (scan_one_insn): Likewise.
3084 (record_reg_classes): Don't compute operand types, use recog_op_type.
3085 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3086 recog_constraints instead.
3088 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3090 * rtl.h (flow2_completed): Declare.
3091 * flow.c (flow2_completed): Definition.
3092 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3095 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3097 * Makefile.in (libcpp.a): Ranlib libcpp.a
3099 * cppulp.c (user_label_prefix): Initialize.
3101 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3103 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3104 at a RETURN if current_function_sp_is_unchanging is set.
3106 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3108 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3110 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3112 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3113 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3114 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3115 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3116 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3117 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3119 (LIB_SPEC): Handle -mno-cyginw option.
3120 (LINK_SPEC): Handle -mdll.
3122 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3124 * reload.c (find_reloads): Fix test for usage by other reload
3125 to handle secondary reloads properly.
3127 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3130 intermediate structure which has exactly the members provided by
3131 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3132 static intermediate structure.
3134 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3135 from the intermediate structure. Do the same analogous fix in
3136 the case where ELIMINABLE_REGS is not defined.
3138 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3140 * pa.h (SELECT_SECTION): Fix thinko.
3142 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3144 * dwarf2out.c (output_call_frame_info): Comments on last change.
3146 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3148 * arm.c (add_constant): When taking the address of an item in the
3149 pool, get the mode of the item addressed.
3151 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3152 contain a SET or a PARALLEL, don't consider it for conditional
3155 Restore ABI compatibility for NetBSD.
3156 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3158 (RETURN_IN_MEMORY): Likewise.
3160 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3162 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3163 (m32r_output_block_move): Rewrite bytes < 4 handling.
3165 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3167 * configure.in: Call AC_FUNC_VFORK.
3169 * collect2.c: Define VFORK_STRING as a printable string for
3170 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3171 defined, include vfork.h. If VMS is defined, define vfork()
3172 appropriately. Remove vfork check on USG, we're using autoconf.
3173 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3174 checking locally what string to pass.
3175 (scan_prog_file): Likewise.
3176 (scan_libraries): Likewise.
3178 * gcc.c: Remove vfork check on USG, we're using autoconf.
3179 Besides, no calls to vfork/fork occur in this file.
3181 * protoize.c: Likewise.
3183 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3185 * configure.in (DEFAULT_LINKER): renamed from LD
3186 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3187 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3188 * configure: rebuilt
3190 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3192 * BUGS: fix the regexp for `more' to find the appropriate node.
3193 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3195 * BUGS: added link to the WWW FAQ
3197 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3199 * version.c: Bump for snapshot.
3201 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3203 * From Christian Gafton:
3204 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3205 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3206 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3208 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3210 * c-common.c (c_get_alias_set): Allow all type-punning through
3211 unions. Don't get confused about the type of a bit-field, despite
3212 the antics of build_modify_expr.
3214 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3216 * fixinc.sco: Paramaterize #include_next values.
3217 * fixinc/fixinc.sco: Likewise.
3219 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3221 * toplev.c (rest_of_compilation): No longer set reload_completed.
3222 * reload1.c (reload): Set it here. Perform instruction splitting
3223 after reload has completed if we will be running the scheduler
3226 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3228 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3229 EH region if exceptions are enabled and we're performing cross
3231 (find_cross_jump): Exit loop if the insns are in different EH regions.
3233 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3235 * dwarf2out.c (output_call_frame_info): Use
3236 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3238 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3241 * c-common.c (check_format_info): Don't check for the 'x'
3242 format character twice, instead check for 'x' and 'X'
3244 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3246 * configure.in (assembler features): Also make gas is configured if
3247 we find it in the souce tree.
3249 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3251 * i386.c (i386_comp_type_attributes): Compare whether the
3252 attributes are defined, not their tree nodes.
3254 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3256 * configure.in (gxx_include_dir): bitten by autoconf quoting
3258 * configure: rebuilt
3260 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3262 * configure.in: Ignore non-absolute value in $AS.
3264 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3266 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3268 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3270 * configure.in (msdosdjgpp): Set exeext and target_alias.
3272 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3274 * flow.c (XNMALLOC): New macro.
3275 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3277 (add_edge, add_edge_to_label): New static functions.
3278 (free_bb_memory): New function.
3279 (flow_delete_insn): Delete function.
3280 (basic_block_drops_in): Delete variable.
3281 (find_basic_blocks): Allocate and initialize basic_block_head,
3282 basic_block_succ. Don't allocate basic_block_drops_in.
3283 Call free_bb_memory at the beginning.
3284 (find_basic_blocks_1): Don't do multiple passes.
3285 Delete code to compute basic_block_drops_in.
3286 After calling make_edges, mark blocks reached by current block live.
3287 Update test for unreachable live blocks.
3288 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3290 Simplify to call add_edge_to_label when a LABEL_REF is found.
3291 (make_edges): Simplify to call add_edge_to_label instead of
3292 mark_label_ref most of the time.
3293 Compute here whether control drops into the next block.
3294 (delete_unreachable_blocks): Return void. All callers changed.
3295 Delete unreachable blocks in reverse order.
3296 After deleting all unreachable blocks, renumber the remaining ones
3297 and update n_basic_blocks.
3298 (delete_block): Speed up deletion a bit.
3299 Don't set basic_block_drops_in for deleted blocks.
3300 (free_basic_block_vars): Don't free basic_block_drops_in.
3301 (life_analysis_1): Update to use new edge representation.
3302 (dump_flow_info): Delete code to print basic block info; call
3303 dump_bb_data instead.
3304 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3305 and uid_block_number.
3306 Simply copy the previously computed cfg.
3307 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3308 Print register lifetime information if LIVE_INFO is nonzero.
3309 * basic-block.h (dump_bb_data): Adjust prototype.
3310 * gcse.c (gcse_main): Update call to dump_bb_data.
3311 * rtl.h (free_bb_memory): Declare.
3312 * toplev.c (rest_of_compilation): Call free_bb_memory.
3314 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3315 (update_eliminable_offsets): Don't compute it.
3316 (set_initial_elim_offsets): Don't initialize it.
3317 Break out some code into set_initial_label_offsets so the rest of
3318 this function can be called from reload_as_needed.
3319 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3320 ELIMINABLE_REGS isn't.
3321 (set_initial_label_offsets): New function, broken out of
3322 set_initial_elim_offsets.
3323 (set_offsets_for_label): New function, broken out of set_label_offsets
3324 and reload_as_needed.
3325 (reload): Call the two new functions.
3326 (reload_as_needed): Call set_initial_elim_offsets instead of
3327 duplicating the code. Likewise for set_offsets_for_label.
3329 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3330 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3331 any hard reg, reg_reloaded_dead contains valid data.
3333 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3335 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3336 "stdcall" and "cdecl" attributes.
3338 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3340 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3341 handle deleted no-op moves of hard registers.
3342 * haifa-sched.c (update_flow_info): Likewise.
3344 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3346 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3347 of the sequences to reload the HILO register which do not actually
3350 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3352 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3354 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3356 * except.c (emit_eh_context): Make the EH context register stay alive
3357 at -O0 so stupid.c doesn't get confused.
3359 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3361 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3363 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3364 Jeffrey A Law (law@cygnus.com)
3366 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3367 (zero_extendsidi2): Use # in output template and handle completely by
3369 (zero_extend splitters): New define_splits.
3370 (ashiftrt_32): New pattern.
3372 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3374 * tree.c (append_random_chars): New fn.
3375 (get_file_function_name_long): Use it.
3377 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3379 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3380 (LIBCPP_OBJS): New. Add cppulp.o.
3381 (cppmain, fix-header): Depend on and use libcpp.a.
3382 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3383 of the individual object files.
3384 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3387 * cccp.c (user_label_prefix): New.
3388 (main): Set it off -f*leading-underscore.
3389 (special_symbol): Use it.
3390 * cpplib.c (special_symbol): Likewise.
3391 (cpp_handle_option): Handle -f*leading-underscore.
3392 * cppulp.c: New file.
3394 * output.h (user_label_prefix): Declare it.
3395 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3396 * toplev.c (f_options, main): Handle -f*leading-underscore.
3398 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3399 referencing USER_LABEL_PREFIX directly.
3400 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3401 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3402 * final.c (asm_fprintf): Use user_label_prefix instead.
3403 * arm/thumb.c (thumb_print_operand): Likewise.
3405 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3406 cpp wherever appropriate.
3408 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3410 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3411 specific compiler switches.
3413 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3415 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3418 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3420 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3421 structure which has exactly the members provided by EXTRA_SPECS.
3422 Xmalloc() the real `extra_specs', and initialize it from this
3423 intermediate structure.
3425 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3427 * mips.h (EXTRA_SPECS): Likewise.
3429 * sparc.h (EXTRA_SPECS): Likewise.
3431 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3433 * function.c (purge_addressof_1): Instead of aborting when a
3434 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3435 work just put the ADDRESSOF on stack. Otherwise remember all such
3436 successfull replacements, so that exactly the same replacements
3437 can be made on the REG_NOTEs. Remove the special case for CALL
3439 (purge_addressof_replacements): New variable.
3440 (purge_addressof): Clear it at end.
3442 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3444 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3445 (lang_init): Call check_newline always.
3446 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3447 cpp_start_read, set yy_cur and yy_lim to read from
3448 parse_in.token_buffer, so that we'll see the first #line
3450 * cpplib.c (cpp_start_read): finclude the main input file
3451 before processing -include/-imacros. Process -imacros and
3452 -include separately, and handle -include by stacking a
3453 buffer for the file in question as if it'd been #included.
3454 * toplev.c (documented_lang_options) Recognize -H when
3457 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3459 * cpplib.c: Merge do_once into do_pragma. Break file handling
3460 code out of do_include.
3461 Move append_include_chain, deps_output,
3462 file_cleanup, redundant_include_p, import_hash,
3463 lookup_import, add_import, read_filename_string, read_name_map,
3464 open_include_file, finclude, safe_read to cppfiles.c.
3465 Move prototypes for deps_output, append_include_chain,
3466 finclude to cpplib.h. Move definition of struct
3467 file_name_list there also.
3469 * cppfiles.c: New file. Contains all the above functions
3470 broken out of cpplib.c; also hack_vms_include_specification
3471 from cccp.c and find_include_file, a new function broken out of
3474 * Makefile.in (cppmain): Depend on cppfiles.o.
3475 (fix-header): Likewise.
3476 (cppfiles.o): New target.
3477 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3478 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3480 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3482 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3483 if pending_types is non-zero.
3484 (dwarfout_finish): Verify pending_types is zero before finishing.
3486 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3488 * expr.c (convert_move): Use shifts to perform the move if a
3489 suitable extend pattern cannot be found. Code written by
3490 Richard Henderson <rth@cygnus.com>.
3492 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3494 * regclass.c (renumber, regno_allocated): New static variables, moved
3495 out of allocate_reg_info.
3496 (allocate_reg_info): Move these two variables outside the function.
3497 Move code to free memory into new function free_reg_info.
3498 (free_reg_info): New function, broken out of allocate_reg_info.
3499 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3500 * rtl.h (allocate_reg_info): Don't declare.
3501 (free_reg_info): Declare.
3503 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3505 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3507 * toplev.c (compile_file): Temporarily revert last change.
3509 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3511 * c-typeck.c (convert_for_assignment): Parenthesize.
3513 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3515 * reload1.c (delete_output_reload): Avoid ambigous else.
3517 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3519 * toplev.c (compile_file): Call allocate_reg_info to free register
3521 * rtl.h (allocate_reg_info): Declare.
3523 * PROJECTS: Remove entry for local spilling.
3525 * final.c (cleanup_subreg_operands): New function.
3526 (final_scan_insn): Use it.
3527 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3529 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3530 operands when reload has finished.
3531 * reload.h (cleanup_subreg_operands): Declare..
3532 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3533 reload. Handled in reload itself.
3535 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3537 * reload1.c (verify_initial_offsets): New function.
3538 (reload): Call it after reload_as_needed. Also verify that the frame
3539 size stays constant during reload_as_needed.
3540 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3542 * reload.h (struct insn_chain): Add need_operand_change element.
3543 * reload1.c (new_insn_chain): Clear it.
3544 (calculate_needs_all_insns): Set it; don't overload need_reload.
3545 (reload_as_needed): Use it.
3547 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3548 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3549 and reload_address_index_reg_class.
3550 (find_reloads_address_1): Likewise.
3551 * reload.h (reload_address_base_reg_class,
3552 reload_address_index_reg_class): Don't declare.
3553 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3554 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3555 (used_spill_regs): Now static.
3556 (reload_address_base_reg_class, reload_address_index_reg_class,
3557 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3558 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3559 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3562 (init_reload): Delete code to compute base/index reg classes.
3563 (reload): Delete variable J.
3564 Delete code to manage basic_block_needs.
3565 Don't compute regs_explicitly_used.
3566 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3567 pseudo_previous_regs.
3568 Initialize bad_spill_regs_global.
3569 Don't call order_regs_for_reload here.
3570 Don't initialize spill_reg_order and n_spills.
3571 Don't forbid explicitly used regs to be used for spill regs.
3572 Change main loop to infinite loop, with explicit break statements.
3573 Make SOMETHING_CHANGED variable local to that loop.
3574 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3575 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3576 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3578 Don't call dump_needs.
3579 Delete code to reset potential_reload_regs.
3580 Delete code to terminate loop conditional on the global needs variables
3581 showing no further needs.
3582 (calculate_needs_all_insns): Return void. All callers changed.
3583 Initialize somehing_needs_elimination here, not in reload.
3584 Delete avoid_return_reg kludge.
3585 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3586 All callers changed.
3587 Initialize the group_mode and group_size elements of the arg CHAIN.
3588 Delete code to manage basic_block_needs.
3589 Operate on elements of CHAIN instead of global variables.
3590 Delete avoid_return_reg kludge.
3591 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3592 All callers changed.
3593 Operate on elements of CHAIN instead of global variables.
3594 Delete special SMALL_REGISTER_CLASSES code.
3595 Delete spill_failure code; now in new_spill_reg.
3596 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3597 All callers changed.
3598 Operate on elements of CHAIN instead of global variables.
3599 (maybe_mark_pseudo_spilled): New static function.
3600 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3601 All callers changed.
3602 Operate on elements of CHAIN instead of global variables.
3603 Call order_regs_for_reload here, not in reload.
3604 Initialize spill_reg_order and n_spills.
3605 Simplify test whether an asm insn is involved.
3606 Delete spill_failure code; now in new_spill_reg.
3607 Call maybe_mark_pseudo_spilled for everything marked as live in
3608 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3610 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3611 compiler from optimizing this function (now unused) away.
3612 Operate on elements of CHAIN instead of global variables.
3613 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3615 Operate on elements of CHAIN instead of global variables.
3616 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3617 take CHAIN arg. All callers changed.
3618 Operate on elements of CHAIN instead of global variables.
3619 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3620 CHAIN, NONGROUP args. Return void. All callers changed.
3621 Verify caller isn't trying to spill a pseudo.
3622 Simplify test for illegal reg, just use bad_spill_regs.
3623 Generate better error messages.
3624 Operate on elements of CHAIN instead of global variables.
3625 Mark spilled register in CHAIN's used_spill_regs element.
3626 Don't call spill_hard_reg.
3627 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3628 Mark spilled hard regs in bad_spill_regs_global.
3629 Mark affected pseudos in spilled_pseudos, but don't spill them.
3630 (ior_hard_reg_set): New static function.
3631 (finish_spills): Return int. All callers changed.
3632 Compute spill_reg_order, n_spills and spill_regs here. Also update
3633 regs_ever_live for regs used as spills.
3634 For every pseudo in spilled_pseudos, spill it and mark the previous
3635 hard reg it had in pseudo_previous_regs. Compute which hard regs
3636 arseudo): New static function.
3637 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3638 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3639 hard registers explicitly used across the current insn into the set.
3640 Compute hard_reg_n_uses taking only pseudos live across this insn
3642 Tweak sorting of potential_reload_regs.
3643 (compare_spill_regs): Delete function.
3644 (reload_as_needed): Don't sort the spill_regs array, it's computed
3645 in proper order in finish_spills.
3646 Delete avoid_return_reg kludge.
3647 Delete code to manage basic_block_needs.
3648 (allocate_reload_reg): Minor speed/readability tweaks.
3649 Operate on elements of CHAIN instead of global variables.
3650 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3651 Delete avoid_return_reg kludge.
3652 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3653 Delete unused label FAIL.
3654 (reload_combine): Replce reload_address_index_reg_class with
3656 Don't use used_spill_regs to determine information about lifetime of
3659 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3661 * toplev.c (display_help): Ignore empty target specific
3662 options, and if -W is also specified on the command line then
3663 display undocumented options.
3665 * config/arm/arm.c: Updated with changes in devo sources.
3666 * config/arm/arm.h: Updated with changes in devo sources.
3667 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3668 * config/arm/lib1thumb.asm: Add ELF support.
3670 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3672 * collect2.c (aix64_flag): New variable.
3673 (main, case 'b'): Parse it.
3674 (GCC_CHECK_HDR): object magic number must match mode.
3675 (scan_prog_file): Only check for shared object if valid header.
3676 Print debugging if header/mode mismatch.
3678 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3680 Added support for arm-elf-linux configuration, submitted by Philip
3681 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3682 code developed by Catherine Moore <clm@cygnus.com>. The following
3685 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3688 * configure: Regenerated.
3690 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3691 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3692 definitions conditional on their not having been already defined.
3694 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3695 and .type directives, and add "(PLT)" qualification to function
3698 * config/arm/linux.h: Deleted. This file is now superceeded by
3699 either linux-elf.h or linux-aout.h.
3701 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3702 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3704 Move definitions from old linux.h file here.
3706 * config/arm/elf.h: New file. Generic ARM/ELF support.
3708 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3710 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3712 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3713 using the 26bit APCS.
3715 * config/arm/unknown-elf.h: New file. Support for OS'es other
3716 than Linux with ELF.
3718 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3721 * config/arm/coff.h: Include aout.h for basic assembler macros.
3722 Add support for -mstructure_size_boundary=<n> command line option.
3724 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3725 command line option. Make macro definitions conditional on their
3726 not having been already defined.
3728 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3729 command line option.
3732 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3734 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3735 has been changed to not include a newline. Use this macro instead.
3736 (output_enumeral_list, const_value_attribute, name_attribute,
3737 comp_dir_attribute, prototyped_attribute, producer_attribute,
3738 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3739 dwarfout_file_scope_decl, generate_new_sfname_entry,
3740 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3741 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3743 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3745 * combine.c (subst): Process the inputs to a parallel asm_operands
3748 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3750 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3752 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3754 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3756 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3758 * version.c: Bump for snapshot.
3760 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3762 * stmt.c (expand_fixup): Set fixup->before_jump to a
3763 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3765 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * Makefile.in (recog.o): Depend on toplev.h.
3768 (insn-emit.o): Depend on recog.h.
3769 (insn-peep.o): Depend on recog.h and insn-config.h.
3771 * combine.c (simplify_set): Remove unused variable `scratches'.
3773 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3774 and `idx' in macro conditional controlling their use.
3776 * genemit.c (main): Make the generated output file include
3777 recog.h. Don't have it declare `insn_operand_constraint', since
3778 we get it from recog.h.
3780 * genpeep.c (main): Make the generated output file include
3781 insn-config.h and recog.h.
3783 * recog.c: Include toplev.h.
3784 (extract_insn): Remove unused variable `p'.
3786 * regclass.c (fix_register): Add missing braces around initializer
3788 (allocate_reg_info): Move variable `i' into the scope where it is
3789 used. Change its type to `size_t'.
3791 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3793 * reload.c (push_reload): When merging reloads, make sure
3794 that reload_in_reg and reload_in are from the same reload in
3797 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3799 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3800 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3802 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3804 * loop.c (loop_has_tablejump): New variable.
3805 (prescan_loop): Scan for it.
3806 (insert_bct): Replace explicit scan with use of it.
3807 * regclass.c (regclass): Restore loop variable j.
3808 (record_reg_classes): Deterine op_types modifiers and initialize
3809 classes[i] before matching constraints. Handle matching
3812 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3814 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3817 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3819 * mips.h (EXTRA_SPECS): Add missing initializers.
3821 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3823 * sparc.h (EXTRA_SPECS): Add missing initializers.
3824 (sparc_defer_case_vector): Provide a prototype.
3826 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3827 comparing it to the result of a pointer subtraction.
3829 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3831 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3832 the argument to (unsigned char).
3834 * alpha.h (EXTRA_SPECS): Add missing initializers.
3835 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3838 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3840 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3841 (propagate_block): Delete dead code after reload.
3843 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3844 back Oct 15, 1998 change.
3845 * haifa-sched.c (update_flow_info): Likewise.
3846 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3848 * mn10200.md (truncated shift): Accept constant inputs too.
3850 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3852 * machmode.h (mode_mask_array): No longer const.
3853 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3855 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3857 * frame.c: Somewhat explain `FDE'.
3858 Suggested by Brendan Kehoe
3860 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3862 * expr.c (pending_chain): Move up.
3863 (save_expr_status): Do save pending_chain.
3864 (restore_expr_status): And restore it.
3865 * function.h (struct function): Add pending_chain.
3867 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3869 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3870 did not match the code.
3872 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3874 * regclass.c (regclass): Break out some code into new function
3875 scan_one_insn, and into regclass_init.
3876 (init_cost): New static variable, moved out of regclass.
3877 (regclass_init): Initialize it here, not in .
3878 (scan_one_insn): New static function, broken out of regclass.
3879 * recog.c (apply_change_group): Break out some code into new
3880 function insn_invalid_p.
3881 (insn_invalid_p): New static fn, broken out of apply_change_group.
3883 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3885 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3886 reg_reloaded_contents matches incremented pseudo.
3888 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3890 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3892 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3893 addressing modes with side effects. These are currently
3894 placeholders for the C4x target.
3896 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3898 * loop.c (express_from): Make sure that when generating a PLUS of
3899 a PLUS, any constant expression appears on the outermost PLUS.
3901 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3903 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3904 works if "$(srcdir)" != ".".
3906 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3908 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3909 existing SUBREG if we can, otherwise abort.
3911 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3913 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3914 `restrict' is applied to a non-pointer variable.
3916 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3918 * invoke.texi: Document -flang-isoc9x.
3920 * Makefile.in (OBJS): Add splay-tree.o.
3921 (c-common.o): Depend on rtl.h.
3922 (splay-tree.o): List dependencies and provide build rule.
3924 * rtl.h (record_alias_subset): New function.
3925 * alias.c: Include splay-tree.h.
3926 (alias_set_entry): New type.
3927 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3928 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3929 (mems_in_disjoin_alias_sets_p): New function.
3930 (alias_set_compare): Likewise.
3931 (insert_subset_children): Likewise.
3932 (get_alias_set_entry): Likewise.
3934 * tree.h (TYPE_RESTRICT): New macro.
3935 (TYPE_UNQUALIFIED): New manifest constant.
3936 (TYPE_QUAL_CONST): Likewise
3937 (TYPE_QUAL_VOLATILE): Likewise.
3938 (TYPE_QUAL_RESTRICT): Likewise.
3939 (tree_type): Add restrict_flag. Reduce count of free bits.
3940 (DECL_POINTER_ALIAS_SET): New macro.
3941 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3942 (tree_decl): Add pointer_alias_set.
3943 (build_qualified_type): New function.
3944 (build_type_variant): Define in terms of build_qualified_type.
3945 * tree.c (set_type_quals): New function.
3946 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3947 (build_type_attribute_variant): Use build_qualified_type and
3949 (build_type_variant): Rename, and modify, to become...
3950 (build_qualified_type): New function.
3951 (build_complex_type): Use set_type_quals.
3953 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3954 (C_TYPE_FUNCTION_P): Likewise.
3955 (C_TYPE_INCOMPLETE_P): Likewise.
3956 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3957 (c_apply_type_quals_to_decl): New function.
3958 (c_build_qualified_type): New function.
3959 (c_build_type_variant): Define in terms of c_build_qualified_type.
3960 (flag_isoc9x): Declare.
3961 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3962 (common_type): Change to use TYPE_QUALS.
3963 (comptypes): Likewise.
3964 (convert_for_assignment): Likewise.
3965 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3966 * c-decl.c (flag_isoc9x): Define.
3967 (c_decode_option): Handle -flang-isoc9x.
3968 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3969 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3970 * c-lex.c (init_lex): Deal with restrict.
3971 (init_lex): Don't treat restrict as a reserved word in
3972 -traditional mode, or without -flang-isoc9x.
3973 * c-lex.h (rid): Add RID_RESTRICT.
3974 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3975 equivalent to RID_RESTRICT.
3976 * c-parse.in (TYPE_QUAL): Update comment.
3977 * c-common.c: Include rtl.h.
3978 (c_find_base_decl): New function.
3979 (c_build_type_variant): Rename, and modify, to become ...
3980 (c_build_qualified_type): New function.
3981 (c_apply_type_quals_to_decl): Likewise.
3982 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3983 a particular alias set for the reference.
3984 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3986 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3988 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3989 command line switches.
3991 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3993 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3996 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3998 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4000 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4002 * regclass.c (fix_register): Add error message.
4003 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4006 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4008 * c-decl.c (warn_missing_noreturn): New global variable.
4009 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4010 (finish_function): Implement missing noreturn warning.
4012 * c-tree.h (warn_missing_noreturn): Declare extern.
4014 * invoke.texi: Document new flags.
4016 * toplev.c (documented_lang_options): Add description.
4018 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4020 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4021 loop optimization stable for the C4x.
4022 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4023 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4024 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4026 (c4x_address_conflict): Be more paranoid when packing a volatile
4027 memref in a parallel load/store.
4029 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4031 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4032 repeat_block_filler): Deleted.
4033 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4034 Condition code not set if destination register from 'c' class.
4035 (*subbqi3_carry_clobber): Fix typo.
4037 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4039 * reorg.c (steal_delay_list_from_target) Check for insns that
4040 modify the condition codes and effect the direction of the jump
4043 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4045 * function.c (purge_addressof_1): Replace call to
4046 emit_insns_before() with emit_insn_before().
4048 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4050 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4052 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4054 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4056 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4058 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4059 clobbered across calls.
4061 * loop.c (scan_loop): Be more selective about what invariants are
4062 moved out of a loop.
4064 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4066 * version.c: Bump for snapshot.
4068 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4070 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4071 static eh_context structure.
4073 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4075 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4077 (try_combine): Don't update max_scratch.
4078 * flow.c (max_scratch, num_scratch): Delete variables.
4079 (life_analysis_1): Don't initialize max_scratch.
4080 (propagate_block): Don't update max_scratch.
4081 (mark_set_1): Don't increment num_scratch.
4082 * regs.h (max_scratch): Delete declaration.
4084 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4086 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4087 is nonzero. This is temporary!
4089 * sched.c (update_flow_info): Handle death notes made invalid by
4090 instruction splitting. Partially reverts Oct 15, 1998 patch.
4091 * haifa-sched.c (update_flow_info): Likewise.
4093 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4095 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4096 if it has a nonzero DECL_INITIAL.
4098 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4100 * Makefile.in (flow.o): Depend on recog.h.
4102 * cpplib.h (directive_table): Add missing initializiers.
4103 (finclude): Change type of variable `bsize' to size_t.
4105 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4107 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4109 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4110 `int' when comparing against one.
4111 (cpp_file_line_for_message): Mark parameter `pfile' with
4113 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4115 * flow.c: Include recog.h.
4116 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4118 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4119 `f' with ATTRIBUTE_UNUSED.
4120 (reposition_prologue_and_epilogue_notes): Likewise.
4122 * genopinit.c (gen_insn): Cast argument of ctype functions to
4125 * haifa-sched.c: Include recog.h.
4126 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4127 comparing against one.
4129 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4131 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4133 (parse_ent): Likewise.
4134 (parse_input): Likewise.
4136 * optabs.c (init_libfuncs): Likewise.
4138 * protoize.c (find_rightmost_formals_list): Likewise.
4140 * recog.h (const_double_operand): Fix typo in prototype.
4142 * tlink.c (scan_linker_output): Cast the argument of ctype
4143 function to `unsigned char'.
4145 * toplev.c (check_lang_option): Cast the result of `strlen' to
4146 `int' when comparing against one.
4148 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4150 * gcse.c (dump_cuid_table): Correct typo.
4152 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4154 * toplev.c (display_help): Prepend '-m' to target specific
4156 (check_lang_option): Ignore text after end of first word of a
4157 language specific option.
4159 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4161 * reload1.c (reg_used_by_pseudo): New static variable.
4162 (choose_reload_regs): Initialize it.
4163 Use it instead of testing spill_reg_order to determine whether a
4164 pseudo is live in a hard register across the current insn.
4165 Fix a typo in a reference to reload_reg_rtx.
4167 * flow.c (propagate_block): Replace code that computes and uses
4168 regs_sometimes_live with simpler code that just walks the set of
4169 currently live registers.
4171 * Makefile.in (insn-extract.o): Fix dependencies.
4172 * genextract.c (main): Generate includes for insn-config.h and
4174 Delete generation of declarations which are now in recog.h.
4175 * genrecog.c (main): Delete generation of definitions which are
4177 * local-alloc.c (block_alloc): Use extract_insn and the variables
4178 it sets up instead of looking up values by insn_code.
4179 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4180 recog_dup_num): Define here instead of generating the definition in
4182 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4183 recog_operand_mode, recog_constraints, recog_operand_address_p):
4185 (extract_insn): New function.
4186 * recog.h (extract_insn): Declare function.
4187 (which_alternative, recog_n_operands, recog_n_dups,
4188 recog_n_alternatives, recog_operand_mode, recog_constraints,
4189 recog_operand_address_p): Declare variables.
4190 * regclass.c (n_occurrences): New static function.
4191 * reload.c (n_occurrences): Delete function.
4192 (find_reloads): Use extract_insn.
4193 * reload.h (n_occurrences): Delete declaration.
4195 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4197 * reload1.c (reload_as_needed): Fix test for when to call
4198 update_eliminable_offsets.
4200 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4202 Fix consistency problems with reg_equiv_{mem,address};
4203 Improve reload inheritance;
4205 * reload.c (reload_out_reg): New variable.
4206 (loc_mentioned_in_p, remove_address_replacements): New functions.
4207 (remove_replacements): Deleted.
4208 (push_reload): Set reload_out_reg[i].
4209 When merging, also set reload_{in,out}_reg[i], and remove
4210 duplicate address reloads.
4211 (combine_reloads): Copy reload_out_reg[i].
4212 (find_reloads): Do make_memloc substitution also when
4213 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4215 Include *recog_operand_loc in commutativity operand changes.
4216 Generate optional output reloads.
4217 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4218 processing operands. Call make_memloc in reg_equiv_address code.
4219 Set *recog_operand_loc only after processing operands, and only
4220 if replace is true. Return a value.
4221 When changing address reload types for operands that didn't get
4222 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4223 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4224 Don't emit USEs for pseudo SUBREGs when not replacing.
4225 (find_reloads_address): Do make_memloc substitution also when
4226 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4228 (find_reloads_toplev): Likewise.
4229 Call make_memloc in reg_equiv_address code.
4230 (debug_reload_to_stream): Add code to output reload_out_reg.
4231 (make_memloc): Delete local variable i, ifdefed out code, and
4232 references to memlocs and n_memlocs.
4233 (memlocs, n_memlocs): Delete.
4234 (push_secondary_reload): Clear reload_out_reg.
4235 (find_reloads_address_1): Provide memrefloc argument to all calls
4236 to find_reloads_address.
4237 In AUTO_INC code, handle non-directly addressable equivalences properly.
4238 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4239 (find_reloads): Add return type.
4240 (remove_address_replacements, deallocate_reload_reg): Declare.
4241 * reload1.c (num_not_at_initial_offset): No longer static.
4242 (delete_address_reloads, delete_address_reloads_1): Likewise.
4243 (deallocate_reload_reg): New function.
4244 (spill_reg_stored_to): New array.
4245 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4246 (eliminate_regs_in_insn): Move assignments of previous_offset and
4247 max_offset fields, and recalculation of num_not_at_initial_offset
4248 into new static function:
4249 (update_eliminable_offsets) .
4250 (reload_as_needed): Call update_eliminable_offsetss after calling
4252 Call forget_old_reloads_1 with contents of reloaded auto_inc
4253 expressions if the actual addressing can't be changed to match the
4255 (choose_reload_regs): For inheritance, replace
4256 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4257 remove stand-alone reload_reg_used_at_all test.
4258 Use reload_out_reg to determine which reload regs have output reloads.
4259 Treat reload_override_in more similar to inherited reloads.
4260 Handle (subreg (reg... for inheritance.
4261 For flag_expensive_optimizations, add an extra pass to remove
4262 unnecessary reloads from known working inheritance.
4263 Delete obsolete code for pseudos replaced with MEMs.
4264 Handle inheritance from auto_inc expressions.
4265 (emit_reload_insns): If reload_in is a MEM, set OLD to
4267 Don't reload directly from oldequiv; if it's a pseudo with a
4268 stack slot, use reload_in[j].
4269 Check that reload_in_reg[j] is a MEM before replacing reload_in
4270 from reg_reloaded_contents.
4271 Include non-spill registers in reload inheritance processing.
4272 Also try to use reload_out_reg to set spill_reg_store /
4273 reg_last_reload_reg.
4274 In code to set new_spill_reg_store, use single_set to find out if
4275 there is a single set.
4276 Add code that allows to delete optional output reloads.
4277 Add code to allow deletion of output reloads that use no spill reg.
4278 At the end, set reload_override_in to oldequiv.
4279 Also call delete_output_reload if reload_out_reg is equal to old
4281 Add code to call delete_output_reload for stores with no matching load.
4282 Set / use spill_reg_stored_to.
4283 Handle case where secondary output reload uses a temporary, but
4284 actual store isn't found.
4285 When looking for a store of a value not loaded in order to call
4286 delete_output_reload, count_occurences should return 0 for no
4287 loads; but discount inherited input reloadill_reg_stored_to.
4288 Do checks for extra uses of REG. Changed all
4290 Use delete_address_reloads.
4291 (reload): Take return value of find_reloads into account.
4292 If a no-op set needs more than one reload, delete it.
4293 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4294 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4295 for the same operand.
4296 (clear_reload_reg_in_use): Check for other reloads that keep a
4298 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4299 RELOAD_FOR_OPADDR_ADDR.
4300 Take into account when an address address reload is only needed
4301 for the address reload we are considering.
4302 (count_occurrences): Use rtx_equal_p for MEMs.
4303 (inc_for_reload): Return instruction that stores into RELOADREG.
4304 New argument two, IN, and rtx. Changed all callers.
4305 (calculate_needs_all_insns, reload_as_needed):
4306 Don't clear after_call for a CLOBBER.
4307 Keep track of how many hard registers need to be copied from
4308 after_call, and don't clear after_call before we have seen
4309 that much copies, or we see a different instruction.
4311 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4313 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4314 after reload has completed.
4316 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4318 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4319 a macro name and the next token with a single blank if that whitespace
4320 is in a macro buffer and the next token is not '('.
4322 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4324 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4326 (skip_if_group): Ditto.
4327 (skip_to_end_of_comment): Ditto.
4329 (discard_comments): Ditto.
4330 (change_newlines): Ditto.
4332 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4334 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4336 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4338 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4339 (TARGET_OPTIONS): Add --help documentation.
4341 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4343 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4345 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4347 * fixinc/* Moved in from ../contrib directory in preparation
4348 for integrating it into the normal build process. In particular,
4349 fixinc/Makefile.in must be config-ed into the build directory
4350 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4351 ./configure.in will be "in the mail" momentarily.
4353 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4355 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4356 accidently walk into the free list. Comment how that can happen.
4357 (invalidate): Fix indentation.
4359 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4360 Jeffrey A Law (law@cygnus.com)
4362 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4363 reload. Never perform rescans of the insn chain after reload.
4364 (propagate_block): Do not delete insn or create new autoinc addressing
4367 * jump.c (jump_optimize): Unconditionally use the code that was
4368 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4369 * reload1.c (reload): When reloading is finished, delete all
4370 REG_DEAD and REG_UNUSED notes.
4371 (emit_reload_insns): Delete all code that was conditional on
4372 PRESERVE_DEATH_INFO_REGNO_P.
4373 (no_longer_dead_regs): Delete variable.
4374 (reload_cse_delete_death_notes): Delete function.
4375 (reload_cse_no_longer_dead): Delete function.
4376 (reload_cse_regs_1): Delete all code to handle deletion of death
4378 (reload_cse_noop_set_p): Likewise.
4379 (reload_cse_simplify_set): Likewise.
4380 (reload_cse_simplify_operands): Likewise.
4381 (reload_cse_move2add): Likewise.
4382 * reorg.c (used_spill_regs): Delete declaration.
4383 (max_label_num_after_reload): Delete declaration.
4384 (find_dead_or_set_registers): Don't assume that spill regs are
4385 dead at a CODE_LABEL.
4386 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4388 * sched.c (sched_analyze_insn): Likewise.
4389 (update_flow_info): Likewise.
4390 * haifa-sched.c (sched_analyze_insn): Likewise.
4391 (update_flow_info): Likewise.
4392 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4393 * toplev.c (max_label_num_after_reload): Delete variable.
4394 (rest_of_compilation): Don't set max_label_num_after_reload.
4395 Call life_analysis after reload_cse_regs if optimizing.
4396 * config/gmicro/gmicro.h: Delete comment referring to
4397 PRESERVE_DEATH_INFO_REGNO_P.
4398 * config/i386/i386.h: Likewise.
4399 * config/m88k/m88k.h: Likewise.
4400 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4401 * config/sh/sh.h: Likewise.
4403 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4405 * loop.c (strength_reduce): Restore marking bct_p as
4407 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4408 HAVE_decrement_and_branch_on_count.
4409 (small_data_operand): Remove TARGET_ELF condition for marking
4410 parameters ATTRIBUTE_UNUSED.
4412 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4414 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4415 (SELECT_SECTION): Resync with svr4.h.
4417 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4419 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4422 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4424 * c-pragma.c (handle_pragma_token): Test for null tree before
4425 dereferencing TREE_CODE.
4427 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4429 * config/c4x/c4x.c: Convert to use GEN_INT.
4430 (c4x_parallel_process): Rework to handle new repeat loop structure.
4432 * config/c4x/c4x.md: Convert to use GEN_INT.
4433 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4434 (decrement_and_branch_on_count): Likewise.
4436 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4437 loop.c has the desired functionality.
4438 (rc_reg_operand): New prototype.
4440 * config/c4x/t-c4x: Can now build all front ends.
4442 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4444 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4446 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4448 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4449 * config/t-rtems: Do not install assert.h -- use newlib's.
4451 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4453 * combine.c (combine_instructions): When finished, call init_recog.
4454 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4456 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4458 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4460 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4462 * cppalloc.c (memory_full): Mark function prototype with
4465 * demangle.h (collect_exit): Likewise.
4467 * fix-header.c (v_fatal, fatal): Likewise.
4469 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4472 * gcov.c (print_usage): Likewise.
4474 * genattr.c (fatal, fancy_abort): Likewise.
4476 * genattrtab.c (fatal, fancy_abort): Likewise.
4478 * gencodes.c (fatal, fancy_abort): Likewise.
4480 * genconfig.c (fatal, fancy_abort): Likewise.
4482 * genemit.c (fatal, fancy_abort): Likewise.
4484 * genextract.c (fatal, fancy_abort): Likewise.
4486 * genflags.c (fatal, fancy_abort): Likewise.
4488 * genopinit.c (fatal, fancy_abort): Likewise.
4490 * genoutput.c (fatal, fancy_abort): Likewise.
4492 * genpeep.c (fatal, fancy_abort): Likewise.
4494 * genrecog.c (fatal, fancy_abort): Likewise.
4496 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4497 __sjpopnthrow, __throw): Likewise.
4499 * objc/objc-act.c (objc_fatal): Likewise.
4501 * protoize.c (usage, aux_info_corrupted,
4502 declare_source_confusing): Likewise.
4504 * rtl.c (dump_and_abort): Likewise.
4506 * rtl.h (sets_cc0_p): Likewise.
4508 * toplev.c (float_signal, pipe_closed): Likewise.
4510 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4512 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4513 when generating the decision tree for the general case.
4515 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4516 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4518 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4520 * Makefile.in (sched.o): Depend on recog.h.
4522 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4523 (unsigned) when comparing against one.
4524 (find_base_value): Likewise.
4525 (record_base_value): Cast variable `regno' to (unsigned) when
4526 comparing against one. Cast the result of REGNO() macro to
4527 (unsigned) when comparing against one.
4528 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4530 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4531 variable where an unsigned index is needed.
4533 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4534 before comparing against one.
4536 * collect2.c: Add prototypes for functions `error', `fatal' and
4537 `fatal_perror'. Make these functions take variable arguments
4538 instead of faking it with a fixed number of args.
4539 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4542 * combine.c (can_combine_p): Mark parameter `pred' with
4544 (find_split_point): Cast variable `src' to (unsigned
4545 HOST_WIDE_INT) when comparing against one.
4546 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4547 (simplify_logical): Likewise.
4548 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4549 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4550 HOST_WIDE_INT) in shift.
4551 (simplify_and_const_int): Cast result of INTVAL() macro to
4552 `unsigned HOST_WIDE_INT' when comparing against one.
4553 (merge_outer_ops): Cast variable const0 to `unsigned
4554 HOST_WIDE_INT' when comparing against the result of
4555 GET_MODE_MASK() macro.
4556 (simplify_comparison): Likewise for variable `c0'. Cast variable
4557 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4558 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4559 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4560 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4561 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4562 comparing against one.
4563 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4565 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4566 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4567 (output_block_move): Cast `sizeof' expression to (int) when
4568 comparing against one.
4569 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4571 (save_restore_insns): Cast `base_offset' to `long' to match format
4572 specifier in fprintf.
4574 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4575 to `enum machine_mode'.
4577 * flow.c (life_analysis_1): Remove unused variable `insn'.
4579 * gcc.c (translate_options): Move variables `j' and `k' into the
4580 scope in which they are used. Change their types to `size_t'.
4581 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4582 (read_specs): Likewise.
4583 (process_command): Cast `sizeof' to (int) when comparing against one.
4584 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4585 (handle_braces): Cast both sides of `==' expression to `long' to
4586 ensure sign matching.
4587 (main): Cast variable `i' to `int' when comparing against one.
4589 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4590 int to size_t. Cast variable `i' to size_t when comparing against
4593 * genattrtab.c (convert_set_attr_alternative): Remove unused
4594 parameter `insn_code'. All callers changed.
4595 (convert_set_attr): Likewise.
4597 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4598 size_t when comparing against one. Likewise for variable `len'.
4600 * global.c (global_alloc): Cast variable `max_regno' to size_t
4601 when comparing against one. Likewise for variable `max_allocno'.
4603 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4605 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4606 `set' with ATTRIBUTE_UNUSED.
4607 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4610 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4611 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4612 (get_condition): Cast variable `const_val' to `unsigned
4613 HOST_WIDE_INT' when comparing against one. Cast unsigned
4614 expression to HOST_WIDE_INT when comparing against one.
4615 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4616 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4617 `unsigned' when comparing against one.
4619 * protoize.c (is_id_char): Change type of parameter `ch' to
4621 (munge_compile_params): Cast argument of ctype macro to (const
4623 (process_aux_info_file): Cast variable `aux_info_size' to int when
4624 comparing against one.
4625 (forward_to_next_token_char): Cast argument of ctype macro to
4626 `const unsigned char'.
4627 (edit_formals_lists): Likewise.
4628 (find_rightmost_formals_list): Likewise.
4629 (add_local_decl): Likewise.
4630 (add_global_decls): Likewise.
4631 (edit_fn_definition): Likewise.
4632 (do_cleaning): Likewise.
4633 (scan_for_missed_items): Likewise.
4634 (edit_file): Cast variable `orig_size' to (int) when comparing
4636 (main): Cast argument of ctype macro to `const unsigned char'.
4638 * recog.c (const_int_operand): Mark parameter `mode' with
4641 * regclass.c (record_reg_classes): Change type of variable `c' to
4642 `unsigned char'. Cast `char' array index to `unsigned char'.
4644 * reload.c (push_secondary_reload): Cast argument to
4645 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4647 * reload1.c (calculate_needs): Cast `char' array index to
4649 (set_label_offsets): Change type of variable `i' to unsigned int.
4650 Cast result of XVECLEN() macro to unsigned when comparing against
4652 (mark_not_eliminable): Change type of variable `i' to unsigned.
4653 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4654 when comparing against one.
4655 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4656 comparing against one.
4657 (choose_reload_regs): Hide unused label `fail'.
4658 (reload_cse_simplify_operands): Cast `char' array index to
4660 (reload_combine_note_store): Mark parameter `set' with
4661 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4663 (reload_cse_move2add): Remove unused variable `src2'.
4665 * sched.c: Include recog.h.
4666 (sched_note_set): Remove unused parameter `b'. All callers
4668 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4669 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4670 when comparing against one.
4672 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4673 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4674 comparing against one.
4676 * unroll.c (precondition_loop_p): Remove unused parameter
4677 `loop_end'. All callers changed.
4679 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4681 * reload1.c (maybe_fix_stack_asms): New static function.
4684 * reload.h (compute_use_by_pseudos): Declare.
4686 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4687 (something_needs_reloads): Delete variable.
4688 (finish_spills): New function.
4689 (compute_use_by_pseudos): New function.
4691 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4692 Use the reload_insn_chain instead of walking the rtl directly.
4694 (reload): Allocate and free spilled_pseudos.
4695 Ensure that all calls of spill_hard_reg are followed by a call to
4697 Use the insns_need_reload list instead of something_needs_reloads
4698 to find out if reload_as_needed must be called.
4699 Clear unused_insn_chains at the end.
4701 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4703 Delete code to keep track of current basic block.
4704 Walk reload_insn_chain instead of the rtl structure. Build the
4705 insns_need_reload chain.
4706 Remember which insns need reloading/elimination by setting the
4707 appropriate fields in struct insn_chain, not by putting modes on the
4710 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4711 arg INSN. All callers changed.
4712 Delete declaration of struct needs.
4713 Don't set something_needs_reloads.
4714 Record insn needs in the CHAIN argument.
4716 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4718 (reload_as_needed): Lose FIRST arg. All callers changed.
4719 Walk the reload_insn_chain instead of the rtx structure.
4720 Delete code to keep track of current basic block.
4721 Rename one of the NEXT variables to OLD_NEXT.
4723 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4725 (choose_reload_regs): Likewise.
4727 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4730 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4731 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4732 (hard_regs_live, hard_regs_need_restore): Delete variables.
4733 (n_regs_saved): Now static.
4734 (referenced_regs, this_insn_sets): New variables.
4736 (setup_save_areas): Restructure the code a bit.
4738 (restore_referenced_regs): Delete function.
4739 (mark_referenced_regs): New function, similar to the old
4740 restore_referenced_regs, but mark registers in referenced_regs.
4742 (clear_reg_live): Delete function.
4743 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4744 Only mark registers in this_insn_sets.
4746 (save_call_clobbered_regs): Rework this function to walk the
4747 reload_insn_chain instead of using the list of instructions directly.
4748 Delete code to keep track of register lives, compute live regs on the
4749 fly from information in the chain.
4750 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4751 then walk the set it computes and call insert_restore as appropriate.
4753 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4755 Restructure the code a bit. Test hard_regs_saved instead of
4756 hard_regs_need_restore.
4757 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4758 args. All callers changed.
4759 Restructure the code a bit. Use TO_SAVE to determine which regs to
4760 save instead of more complicated test.
4761 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4763 Create a new insn_chain structure for the new insn and place it
4766 * rtl.texi: Update documentation to reflect that reload no longer
4767 puts modes on the insns.
4769 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4771 * function.c (purge_addressof_1): Force the first argument of a
4772 CALL insn to memory.
4774 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4776 * rtl.h: Delete duplicate prototypes. Add some missing
4778 * rtlanal.c: (for_each_rtx): Formatting tweak.
4780 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4782 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4783 to be compatible with TI compiler.
4785 * Makefile.in (USER_H): Add va-c4x.h to definition.
4787 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4789 * function.c (purge_addressof_1): Fix typo in inequality: do
4790 bitfield optimization for equal mode sizes.
4791 * expmed.c (store_bit_field): Don't take subregs of subregs in
4792 the movstrict case. Tidy a potential problem in the multi-word case.
4793 (extract_bit_field): Likewise.
4795 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4797 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4799 Compute max_uid_for_flow by calling get_max_uid after the scan.
4800 (find_basic_blocks_1): Don't emit NOPs here.
4802 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4804 * alias.c (base_alias_check): Accept new args for the modes of the
4805 two references. Use them to determine if an AND can overlap. Update
4807 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4808 to determine if an AND can overlap.
4810 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4812 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4813 check. Add comment to document problems with TARGET_SUN_FPA version
4815 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4817 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4819 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4821 * c-common.c (print_char_table): Add missing initializers.
4822 (scan_char_table): Likewise.
4823 (time_char_table): Likewise.
4825 * c-decl.c (c_decode_option): Mark parameter `argc' with
4827 (declare_parm_level): Mark parameter `definition_flag' with
4830 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4831 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4834 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4836 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4838 (expand_call): Cast result of MIN() to (unsigned int) when
4839 comparing against an unsigned value.
4841 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4843 (make_definition): Remove unused parameter `op'. All callers
4845 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4846 comparing against the result of pointer arithmetic.
4848 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4849 when comparing against one.
4851 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4852 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4854 (output_die): Move variable `i' into the scope in which it is
4855 used. Change its type to `unsigned'.
4856 (output_die): Cast the result of `strlen' to (int) when passing it
4857 to ASM_OUTPUT_ASCII().
4858 (output_pubnames): Likewise.
4859 (output_line_info): Likewise.
4861 * emit-rtl.c (global_rtl): Add missing initializers.
4863 * explow.c (promote_mode): Mark parameter `for_call' with
4866 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4867 `unsigned HOST_WIDE_INT' when comparing against one.
4868 (synth_mult): Change type of variable `cost' to int.
4869 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4871 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4872 when comparing against one.
4873 (get_inner_reference): Change variable `alignment' to unsigned.
4874 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4875 int) when comparing against one.
4876 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4878 * fold-const.c (div_and_round_double): Cast BASE to
4879 (HOST_WIDE_INT) when comparing against one.
4881 * gencheck.c: Include gansidecl.h.
4882 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4884 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4885 `tcode' with ATTRIBUTE_UNUSED.
4887 * real.c (edivm): Cast constant value to (unsigned long) in
4888 expression compared against an unsigned value.
4890 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4891 comparing against one.
4892 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4893 when comparing against one.
4895 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4896 (unsigned int) when comparing against one. Likewise for
4898 (smallest_mode_for_size): Likewise.
4899 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4900 (restore_storage_status): Likewise.
4902 * toplev.c (debug_args): Add missing initializer.
4903 (f_options): Spelling correction. Add missing initializers.
4904 (documented_lang_options): Likewise.
4905 (debug_end_source_file): Mark parameter `lineno' with
4908 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4909 `decl' and `type' with ATTRIBUTE_UNUSED.
4911 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4912 when comparing against one.
4913 (assemble_variable): Mark parameter `top_level' with
4915 (assemble_external_libcall): Mark parameter `fun' with
4917 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4920 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4922 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4923 Replace use of r5 with use of r19.
4925 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4927 * config/v850/v850.c (compute_register_save_size): Allow for the
4928 fact that helper functions save all registers, not just those used
4931 Replace constant 31 with macro LINK_POINTER_REGNUM.
4933 * config/v850/v850.md: Use 'indirect_operand' rather than
4934 'memory_operand' for bit test/set/clear patterns.
4936 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4938 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4939 * varasm.c (assemble_start_function et al): Don't call
4940 ASM_GLOBALIZE_LABEL for weak symbols.
4942 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4944 * cse.c (equiv_constant): Check for NULL return from
4945 gen_lowpart_if_possible().
4947 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4949 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4951 * collect2.c (main): Pass -EL/-EB through to the compiler.
4953 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4955 * expr.c (push_block): Handle targets where the stack grows
4956 to higher addresses, but args grow to lower addresses and
4957 ACCUMULATE_OUTGOING_ARGS is not defined.
4959 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4961 * config/v850/v850.c (print_operand): Extend meaning
4962 of 'c' operands to support .vtinherit.
4964 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4966 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4967 Added ATTRIBUTE_UNUSED to unused function arguments.
4968 (rc_reg_operand): New predicate.
4969 (c4x_rptb_insert): New function.
4970 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4971 (c4x_optimization_options): New function.
4973 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4974 (decrement_and_branch_on_count): New pattern.
4975 (rptb_top): Modified pattern to work with BCT optimization.
4977 * config/c4x/c4x.h (RC_REG): New register class.
4978 (rc_reg_operand): Define prototype.
4979 (IS_RC_REG): New macro.
4980 (IS_RC_OR_PSEUDO_REG): New macro.
4981 (IS_RC_OR_PSEUDO_REGNO): New macro.
4982 (OPTIMIZATION_OPTIONS): Define.
4984 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4986 * collect2.c (extract_init_priority): No priority is 65535.
4988 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4990 * Makefile.in (build_tooldir): new variable, same as old
4991 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4992 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4993 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4995 * configure.in (gxx_include_dir): set default based on unlibsubdir
4996 * Makefile.in (tooldir): ditto
4997 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4998 gxx_include_dir, includedir and tooldir
4999 (protoize.o, unprotoize.o): ditto
5001 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5003 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5005 * config/arm/thumb.c (thumb_override_options): Add warning about
5006 PIC code not being supported just yet.
5008 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5010 * flow.c: Update comment.
5011 (notice_stack_pointer_modification): New static function.
5012 (record_volatile_insns): Use it.
5013 (mark_regs_live_at_end): Mark the stack pointer as alive
5014 at the end of the function if current_function_sp_is_unchanging
5016 (life_analysis_1): Set current_function_sp_is_unchanging.
5017 * function.c: Define it.
5018 (init_function_start): Initialize it.
5019 * output.h: Declare it.
5020 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5021 the stack pointer as alive at the end of the function if
5022 current_function_sp_is_unchanging is set.
5023 * i386.c (ix86_epilogue): Optimize the restoring
5024 of the stack pointer.
5026 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5028 * version.c: Bump for snapshot.
5030 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5032 * c-pragma.c (handle_pragma_token): If passed a token instead
5033 of a tree, use that as the pack value.
5035 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5037 * flow.c (find_basic_blocks_1): Fix prototype.
5039 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5041 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5042 (struct tree_decl): New fields no_check_memory_usage.
5043 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5044 (init_attributes): Register it as a new attribute.
5045 (decl_attributes): Set flags on functions given that attribute.
5046 * c-decl.c (duplicate_decls): Merge new attribute.
5047 * expr.h (current_function_check_memory_usage): Declare new var.
5048 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5049 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5050 current_function_check_memory_usage.
5051 * function.h: Add field to struct function.
5052 * function.c (current_function_check_memory_usage): Define it.
5053 (push_function_context_to, pop_function_context_from): Save and
5055 (expand_function_start): Set it, based on global flag and function
5058 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5059 check non-automatic variables, to permit detection of writes to
5060 read-only locations in embedded systems without memory management.
5061 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5062 when emitting chkr_set_right_libfunc call, even if the argument is
5063 BLKmode or variable-sized; don't abort.
5065 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5066 symbols in Pmode, not VOIDmode.
5068 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5070 * cppexp.c: When forcing unsigned comparisons, cast both sides
5073 * cpphash.h: Move static declaration of hashtab[]...
5074 * cpphash.c: ...here.
5076 * cpplib.c: Cast difference of two pointers to size_t before
5077 comparing it to size_t. Cast signed to unsigned
5078 before comparing to size_t. (FIXME: struct argdata should use
5079 unsigned buffer sizes.)
5080 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5081 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5082 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5083 size_t before comparison.
5085 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5087 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5088 (find_basic_blocks_1): Similarly.
5089 * output.h (find_basic_blocks): Fix prototype.
5090 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5091 find_basic_blocks anymore.
5093 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5095 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5096 (sbitmap_free, sbitmap_vector_free): New macros.
5097 * output.h (rtl_dump_file): Declare.
5099 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5101 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5103 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5105 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5107 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5108 (divide): Remove unused variable `tmp'.
5109 (si_to_float): Cast numeric constant to (SItype) before comparing
5112 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5114 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5115 * gcc.c (add_preprocessor_option): Correct typo when allocating
5116 memory, sizeof() argument had one too many `*'.
5117 (add_assembler_option): Likewise.
5118 (add_linker_option): Likewise.
5119 * gcov.c (output_data): Likewise.
5120 * local-alloc.c (memref_used_between_p): Likewise.
5121 (update_equiv_regs): Likewise.
5122 * loop.c (strength_reduce): Likewise.
5123 * reg-stack.c (record_asm_reg_life): Likewise.
5124 (subst_asm_stack_reg): Likewise.
5125 * reorg.c (dbr_schedule): Likewise.
5127 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5129 * flow.c (life_analysis_1): Break out some functions.
5130 (find_basic_blocks_1): Likewise. Also move some variables out and
5132 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5133 new static var nonlocal_label_list with it.
5134 (active_eh_region, nested_eh_region, label_value_list,
5135 nonlocal_label_list): New static variables.
5136 (make_edges, delete_unreachable_blocks, delete_block): New static
5137 functions, broken out of find_basic_blocks_1.
5138 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5139 noop_move_p): New static functions, broken out of life_analysis_1.
5141 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5143 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5144 Take extra care for op0 now possibly being a subreg.
5145 (extract_bit_field): Likewise.
5146 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5147 the reg to memory if there is no equal sized integral mode.
5148 * stor-layout.c (int_mode_for_mode): New function.
5149 * machmode.h: Prototype it.
5151 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5153 * global.c (build_insn_chain): Verify no real insns exist past the
5154 end of the last basic block, then exit the loop.
5156 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5158 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5160 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5162 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5164 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5166 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5168 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5170 * flow.c (find_basic_blocks): Correctly determine when a call
5171 is within an exception region.
5173 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5175 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5177 * cpplib.h: Protect from multiple inclusions.
5178 * cpplib.c: Fix minor formatting problems.
5180 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5182 * jump.c (jump_optimize): Revert accidental patch.
5184 * Makefile.in (cpplib.o): Use unlibsubdir.
5186 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5188 * loop.c (get_condition): Allow combine when either compare is
5191 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5193 * version.c: Bump for snapshot.
5195 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5197 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5198 (init_lex): Initialize ridpointers[RID_BYREF].
5199 * c-lex.h (enum rid): Add RID_BYREF.
5200 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5201 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5202 (encode_type_qualifiers): Similarly
5203 * c-gperf.h: Rebuilt.
5205 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5207 * c-common.c (type_for_mode): Only return TItype nodes when
5208 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5209 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5210 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5211 (init_decl_processing): Only create TItype nodes when
5212 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5213 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5214 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5216 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5218 * stmt.c (n_occurrences): New static function.
5219 (expand_asm_operands): Verify that all constrains match in the
5220 number of alternatives.
5221 Verify that '+' or '=' are at the beginning of an output constraint.
5222 Don't allow '&' for input operands.
5223 Verify that '%' isn't written for the last operand.
5224 * reload.c (find_reloads): Abort if an asm is found with invalid
5225 constraints; all possible problems ought to be checked for earlier.
5227 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5229 * flags.h (flag_branch_on_count_reg): Always declare
5230 * toplev.c (flag_branch_on_count_reg): Likewise.
5231 * toplev.c: Fix typos.
5233 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5236 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5238 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5240 (find_basic_blocks_1): Add a nop to the end of a basic block when
5241 a trailing call insn does not have abnormal control flow.
5242 * gcse.c (pre_transpout): New variable.
5243 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5244 (compute_pre_transpout): Calculate it.
5245 (compute_pre_ppinout): Use it to eliminate impossible placements
5246 due to abnormal control flow through calls.
5247 (compute_pre_data): Call compute_pre_transpout.
5249 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5251 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5253 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5255 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5256 and matching define_insns): Tack on a `use' of the table label, so
5257 flow analysis will recognize a tablejump.
5259 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5261 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5262 always end basic blocks for abnormal edge reasons.
5264 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5266 * config/i386/i386.h: Remove definition of
5267 HANDLE_PRAGMA_PACK_PUSH_POP.
5269 * config/i386/go32.h: Add definition of
5270 HANDLE_PRAGMA_PACK_PUSH_POP.
5272 * config/i386/win32.h: Add definition of
5273 HANDLE_PRAGMA_PACK_PUSH_POP.
5275 * config/i386/cygwin32.h: Add definition of
5276 HANDLE_PRAGMA_PACK_PUSH_POP.
5278 * c-pragma.c (insert_pack_attributes): Do not insert
5279 attributes unless #pragma pack(push,<n>) is in effect.
5281 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5283 * expr.c (emit_group_store): Handle a PARALLEL destination.
5285 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5287 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5288 the new insns before the argument regs are loaded.
5290 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5292 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5293 (c-parse.gperf): Update comments describing invocation flags.
5294 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5296 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5298 * reload1.c (reload): Call free before clobbering the memory
5299 locations or constants pointers.
5301 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5303 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5304 for efficiency by checking whether we need to modify the current
5305 stack permission at all.
5306 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5307 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5308 __enable_execute_stack libcall here too if
5309 TRANSFER_FROM_TRAMPOLINE is defined.
5310 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5313 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5315 * Makefile.in (DRIVER_DEFINES): Remove last change.
5317 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5319 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5320 insns we're going to copy.
5321 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5323 * loop.c (count_one_set): Add prototype.
5325 * caller-save.c (restore_referenced_regs): Lose mode argument.
5326 (insert_save): Lose mode argument.
5327 (insert_restore): Lose mode argument.
5328 (insert_one_insn): Lose mode argument.
5329 (save_call_clobbered_regs): Lose mode argument.
5330 (setup_save_areas): Take no argument and return void. All callers
5332 Don't verify validity of memory addresses.
5333 * reload.h (setup_save_ares): Adjust prototype.
5334 (save_call_clobbered_regs): Likewise.
5335 * reload1.c (delete_caller_save_insns): New function.
5336 (caller_save_spill_class): Delete variable.
5337 (caller_save_group_size): Delete variable.
5338 (reload): Call setup_save_areas and save_call_clobbered_regs
5339 in the main loop, before calling calculate_needs_all_insns.
5340 Don't call save_call_clobbered_regs after the loop.
5341 Call delete_caller_save_insns at the end of an iteration if
5343 Delete code to manage caller_save_spill_class.
5344 Emit the final note before setting reload_first_uid.
5345 Simplify test that determines whether reload_as_needed gets run.
5346 (calculate_needs): Delete code to manage caller_save_spill_class.
5348 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5350 * collect2.c (main): Initialize ld_file_name.
5352 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5354 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5355 check for flag_function_sections.
5357 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5359 * cse.c (insert_regs): Fix bug in Sep 24 change.
5361 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5363 * flags.h (flag_dump_unnumbered): Declare.
5364 * toplev.c (flag_dump_unnumbered): Don't declare.
5365 * print-rtl.c (flags.h): Include.
5366 (print_rtl_single): Add return value.
5367 * rtl.h (print_rtl_single): Update declaration.
5368 * flow.c (flag_dump_unnumbered): Don't declare.
5369 (print_rtl_with_bb): Use return value of print_rtl_single.
5371 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5373 * loop.c (count_one_set): New static function, broken out of
5375 (count_loop_regs_set): Call it.
5376 * global.c (mark_reg_store): Handle clobbers here by not calling
5378 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5379 is in fact a clobber.
5380 * integrate.c (process_reg_param): New function, broken out of
5381 expand_inline_function.
5382 (expand_inline_function): Call it.
5385 * i386.md (addsidi3_1): Delete unused variable temp.
5386 (addsidi3_2): Likewise.
5387 (clstrstrsi): Delete unused variable addr1.
5389 * rtl.h: Don't declare any functions also declared in recog.h.
5391 * Makefile.in (stupid.o): Update dependencies.
5392 (global.o): Likewise.
5394 * global.c: Include reload.h
5395 (reg_becomes_live): New function.
5396 (reg_dies): New function.
5397 (build_insn_chain): New function.
5398 (global_alloc): Call build_insn_chain before calling reload.
5400 * reload.h (struct needs): New structure definition.
5401 (struct insn_chain): Likewise.
5402 (reload_insn_chain): Declare variable.
5403 (new_insn_chain): Declare function.
5406 * reload1.c (reload_startobj): New variable.
5407 (reload_insn_chain): New variable.
5408 (unused_insn_chains): New variable.
5409 (new_insn_chain): New function.
5410 (init_reload): Initialize reload_startobj, not reload_firstobj.
5411 (reload): Initialize reload_firstobj.
5412 Before returning, free everything on the reload_obstack.
5414 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5415 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5416 current_chain): New variables.
5417 (reg_where_born): Delete variable.
5418 (REG_WHERE_BORN): New macro.
5419 (find_clobbered_regs): New function.
5420 (stupid_life_analysis): Don't allocate/free reg_where_born.
5421 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5422 reg_where_dead_chain.
5423 Use REG_WHERE_BORN instead of reg_where_born.
5424 While processing the insns, build the reload_insn_chain with
5425 information about register lifetimes.
5426 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5427 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5429 Compute and information about birth and death of pseudo registers in
5430 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5431 Delete code to set elements of reg_where_born.
5433 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5435 * tree.def (GOTO_EXPR): Modified documentation.
5436 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5439 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5441 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5442 loop_final_value, loop_comparison_code): No longer static.
5443 (unroll_loop): Delete loop_start_value update.
5444 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5445 loop_final_value, loop_comparison_code): Extern.
5446 (loop_start_value): Delete extern.
5447 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5448 loop_comparison_value, loop_comparison_code): Delete.
5449 (loop_optimize): Remove initialization for deleted variables.
5450 (strength_reduce): Delete analyze_loop_iterations call. Only call
5451 insert_bct if flag_branch_count_on_reg set.
5452 (analyze_loop_iterations): Delete.
5453 (insert_bct): Remove iteration count calculation. Move checks for
5454 viable BCT optimization to here. Obtain iteration count from
5455 loop_iterations and correct for unrolling. Check for enough
5456 iteration to be beneficial. Comment out runtime iteration count
5458 (insert_bct): Print iteration count in dump file. Remove
5459 loop_var_mode and use word_mode directly.
5461 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5462 * rs6000.c (rs6000_override_options): Use it.
5463 (optimization_options): Enable use of flag_branch_on_count_reg.
5464 * rs6000.md (define_function_unit): Describe 604e.
5466 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5468 * loop.c (move_movables): Corrected threshold calculation for
5469 moved_once registers.
5471 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5473 * loop.c (combine_givs_p): Fix test for identical givs.
5475 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5477 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5478 call abort if the function is already defined.
5480 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5482 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5483 truncation is not a no-op.
5485 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5487 * version.c: Bump for snapshot.
5489 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5491 * version.c: Bump for snapshot.
5493 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5495 * expmed.c (expand_divmod): Don't widen for computing remainder
5496 if we seem to have a divmod pattern for needed mode.
5498 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5500 * cpplib.c (macroexpand): Correct off-by-one error in handling
5503 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5505 * combine.c (expand_field_assignment): Don't do bitwise operations
5506 on MODE_FLOAT; pun to MODE_INT if possible.
5508 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5509 scott snyder <snyder@d0sgif.fnal.gov>
5511 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5512 linker. Recognize mangled names in quotes.
5514 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5516 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5517 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5518 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5519 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5521 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5523 * function.c (purge_addressof_1): If trying to take a sub-word
5524 integral piece of a floating point mode, put it on the stack.
5526 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5528 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5530 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5532 * PROJECTS: Remove template friends.
5534 * collect2.c (sort_ids): Remove unused variable.
5536 * tm.texi (MATH_LIBRARY): Document.
5537 (NEED_MATH_LIBRARY): Remove.
5539 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5540 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5542 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5544 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5545 last_end to 0x7fffffff.
5547 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5549 * function.c (purge_addressof_1): Do not perform endianness
5550 corrections on bitpos, who we call will do it for us.
5552 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5554 * h8300.c (WORD_REG_USED): Fix typo.
5555 (initial_offset): Use WORD_REG_USED.
5557 * h8300.c (handle_pragma): Fix typo.
5559 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5561 * caller-save.c (insert_save_restore): Break this function up
5562 into new functions insert_restore, insert_save and insert_one_insn.
5563 All callers changed.
5564 (insert_restore): New function, mostly broken out of
5565 insert_save_restore.
5566 (insert_save): Likewise.
5567 (insert_one_insn): Likewise.
5568 (restore_referenced_regs): New argument BLOCK. All callers changed.
5569 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5570 in this function, do it in insert_one_insn instead.
5572 * reload1.c (reload): Break out some more pieces into separate
5574 (dump_needs): New function, broken out of reload.
5575 (set_initial_elim_offsets): Likewise.
5576 (init_elim_table): Likewise.
5577 (update_eliminables): Likewise.
5579 * global.c (global_alloc): Delete code to manage the scratch_list.
5580 * local-alloc.c (qty_scratch_rtx): Delete.
5581 (scratch_block): Delete.
5582 (scratch_list): Delete.
5583 (scratch_list_length): Delete.
5584 (scratch_index): Delete.
5585 (alloc_qty_for_scratch): Delete.
5586 (local-alloc): Update initialization of max_qty.
5587 Delete code to manage the scratch list.
5588 Delete code to allocate/initialize qty_scratch_rtx.
5589 (block_alloc): Don't allocate quantities for scratches.
5590 Delete code to manage the scratch list.
5591 * regs.h (scratch_list): Delete declaration.
5592 (scratch_block): Delete declaration.
5593 (scratch_list_length): Delete declaration.
5594 * reload1.c (reload): Delete code to manage the scratch list.
5595 (spill_hard_reg): Likewise.
5596 (mark_scratch_live): Delete.
5598 * recog.c (alter_subreg): Delete declaration.
5600 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5602 * Makefile.in (cccp.o): Fix typo in last patch.
5604 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5606 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5607 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5609 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5611 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5612 NULL_RTX as an argument.
5614 * Makefile.in (unlibsubdir): Define.
5615 (DRIVER_DEFINES): Use unlibsubdir.
5616 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5617 (stmp-fixinc): Similarly.
5619 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5621 * regmove.c (regmove_optimize): Add variable old_max_uid.
5622 At the end of the function, update basic_block_end.
5624 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5626 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5627 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5630 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5632 * config/arm/arm.c: Improve interworking support.
5634 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5636 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5637 copied from reload_out[r] .
5639 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5641 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5642 with more than three size ranges.
5644 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5646 * rtl.c (mode_name): Add a null string at the end of the array.
5647 (mode_wider_mode): Change type to unsigned char.
5648 (mode_mask_array): New variable.
5649 (init_rtl): Update for mode_wider_mode type change.
5651 * rtl.h (mode_wider_mode): Change type to unsigned char.
5652 (mode_mask_array): Declare.
5653 (GET_MODE_MASK): Use mode_mask_array.
5655 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5657 * calls.c (expand_call) : Encapsulate code into
5658 copy_blkmode_from_reg.
5659 * expr.c (copy_blkmode_from_reg): New function.
5660 * expr.h (copy_blkmode_from_reg): New function.
5661 * integrate.c (function_cannot_inline_p): We can inline
5663 (expand_inline_function): Use copy_blkmode_from_reg
5664 if needed. Avoid creating BLKmode REGs.
5665 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5668 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5670 * config/v850/v850.c: Add function prototypes.
5671 Add support for v850 special data areas.
5673 * config/v850/v850.h: Add support for v850 special data areas.
5675 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5676 HANDLE_PRAGMA_PACK_PUSH_POP.
5677 (push_alignment): New function: Cache an alignment requested
5678 by a #pragma pack(push,<n>).
5679 (pop_alignment): New function: Pop an alignment from the
5681 (insert_pack_attributes): New function: Generate __packed__
5682 and __aligned__ attributes for new decls whilst a #pragma pack
5684 (add_weak): New function: Cache a #pragma weak directive.
5685 (handle_pragma_token): Document calling conventions. Add
5686 support for #pragma pack(push,<n>) and #pragma pack (pop).
5688 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5689 are defined enable HANDLE_PRAGMA_PACK.
5690 Move 'struct weak_syms' here (from varasm.c).
5691 Add pragma states for push and pop pragmas.
5693 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5696 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5697 HANDLE_GENERIC_PRAGMAS.
5699 * varasm.c: Move definition of 'struct weak_syms' into
5701 (handle_pragma_weak): Deleted.
5703 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5705 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5707 * c-decl.c (start_function): Add invocation of
5708 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5710 * tm.texi: Remove description of non-existant macro
5711 SET_DEFAULT_SECTION_NAME.
5713 (HANDLE_SYSV_PRAGMA): Document.
5714 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5716 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5718 * config.sub: Recognize i[34567]86-pc-udk as new target.
5719 * configure.in: Likewise.
5720 * config/i386/t-udk: New file.
5721 * config/i386/udk.h: New file.
5723 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5725 * reorg.c (check_annul_list_true_false): Remove unused variables.
5726 (steal_delay_list_from_target): Add missing "used_annul" variable.
5727 (try_merge_delay_insns): Close out half formed comment.
5729 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5731 * cpplib.c (macroexpand): If arg->raw_before or
5732 arg->raw_after, remove any no-reexpansion escape at the
5733 beginning of the pasted token. Correct handling of whitespace
5734 markers and no-reexpand markers at the end if arg->raw_after.
5736 * toplev.c (documented_lang_options): Recognize -include,
5737 -imacros, -iwithprefix, -iwithprefixbefore.
5738 * cpplib.c (cpp_start_read): Process -imacros and -include
5739 switches at the same time and in command-line order, after
5740 initializing the dependency-output code. Emit properly nested
5741 #line directives for them. Emit a #line for the main file
5742 before processing these switches, and don't do it again
5745 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5747 * function.c (purge_addressof_1): Use bitfield manipulation
5748 routines to handle mem mode < reg mode.
5750 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5752 * reorg.c (try_merge_delay_insns): Account for resources referenced
5753 in each instruction in INSN's delay list before trying to eliminate
5754 useless instructions. Similarly when looking at a trial insn's delay
5757 * reorg.c (check_annul_list_true_false): New function.
5758 (steal_delay_list_from_{target,fallthrough}): Call it and also
5759 refine tests for when we may annul if already filled a slot.
5760 (fill_slots_from_thread): Likewise.
5761 (delete_from_delay_slot): Return newly-created thread.
5762 (try_merge_delay_isns): Use its new return value.
5764 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5766 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5767 used to compute a giv or as some other non-counting use.
5769 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5771 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5772 * local-alloc.c (find_free_reg): Use it.
5773 * global.c (find_reg): Likewise.
5774 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5776 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5777 * caller-save.c (init_caller_save): Use it.
5778 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5780 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5782 * configure.in: Add --enable-cpplib option which uses cpplib
5783 for cpp, but doesn't link cpplib into cc1. Make help text
5784 capitalization consistent.
5785 * configure: Rebuilt.
5787 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5789 * function.c (gen_mem_addressof): If the address REG is
5790 REG_USERVAR_P make the new REG be so also.
5791 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5792 in an attempt to clarify slightly.
5794 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5796 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5797 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5799 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5801 * toplev.c: Fix last patch.
5803 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5805 * loop.c (get_condition): Fix typo in May 9 change.
5807 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5809 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5811 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5813 * toplev.c (documented_lang_options): Spelling corrections.
5815 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5817 * configure.in: new flags --with-ld and --with-as, equivalent
5818 to setting LD and AS environment variables. Test whether
5819 specified arguments are GNU commands, and report them with
5820 checking messages. Use the specified AS for configure
5823 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5825 * gcc.c (find_a_file): when looking for `as' and `ld', return
5826 the DEFAULT program if it exists
5827 * collect2.c (main): use DEFAULT_LINKER if it exists
5829 * gcc.c (find_a_file): the test for existence of a full
5830 pathname was reversed
5832 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5834 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5835 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5837 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5839 * tree.h (TYPE_BINFO): Document.
5841 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5843 * i386-coff.h (dbxcoff.h): Added.
5845 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5847 * toplev.c: fix bad patch around flag_data_sections.
5849 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5851 * reload1.c (reload): Use reload_address_index_reg_class and
5852 reload_address_base_reg_class when setting
5853 caller_save_spill_class. (Patch generated by Jim Wilson:
5856 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5858 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5859 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5860 * expr.c (store_field): Add alias_set parameter. Set the
5861 MEM_ALIAS_SET accordingly, if the target is a MEM.
5862 (expand_assignment): Use it.
5863 (store_constructor_field): Pass 0.
5864 (expand_expr): Likewise.
5866 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5868 * flags.h: Add flag_data_sections.
5869 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5870 (compile_file): Error if flag_data_sections not supported.
5871 * varasm.c (assemble_variable): Handle flag_data_sections.
5872 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5873 * config/mips/elf.h: Likewise.
5874 * config/mips/elf64.h: Likewise.
5875 * invoke.texi: Describe -fdata-sections.
5877 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5879 * invoke.texi (-ffloat-store): Clarify that this option
5880 does not affect intermediate results -- only variables.
5882 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5884 * cpp.texi: Update for Fortran usage from Craig.
5886 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5888 * rs6000.c (function_arg_boundary): Revert accidental change on
5891 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5893 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5894 (output_mi_thunk): Declare.
5896 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5897 (output_function_profiler): Use r12 for temp, instead of r11 so
5898 that we preserve the static chain register.
5900 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5902 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5904 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5906 * sh.c (gen_shl_sext): Fix case 5.
5908 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5910 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5912 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5914 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5915 accessing variables until they are initialized via va_arg().
5917 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5919 * reload1.c (reload_combine): Initialize set before using.
5921 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5923 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5926 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5928 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5929 operand3 with mask before using it. Patch provided by Jim Wilson.
5931 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5933 * config/sparc/sparc.c (function_value): Perform the equivalent of
5934 PROMOTE_MODE for ARCH64.
5935 (eligible_for_epilogue_delay): Allow DImode operations in delay
5936 slot of a return for ARCH64.
5938 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5940 * sh.md (sqrtsf2): Fix mode of sqrt.
5942 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5944 * reload1.c (choose_reload_regs): Also try inheritance when
5945 reload_in is a stack slot of a pseudo, even if we already got a
5948 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5950 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5951 (reload_cse_regs): New function body: call reload_cse_regs_1,
5952 reload_combine, reload_cse_move2add.
5953 When doing expensive_optimizations, call reload_cse_regs_1 a
5954 second time after reload_cse_move2add.
5955 (reload_combine, reload_combine_note_store): New functions.
5956 (reload_combine_note_use): New function.
5957 (reload_cse_move2add, move2add_note_store): New functions.
5959 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5961 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5962 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5964 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5965 more than 3 such reloads.
5967 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5968 RELOAD_FOR_X_ADDR_ADDR reload.
5970 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5972 * expr.c (store_constructor): When initializing a field that is smaller
5973 than a word, at the start of a word, try to widen it to a full word.
5975 * cse.c (cse_insn): When we are about to change a register,
5976 remove any invalid references to it.
5978 (remove_invalid_subreg_refs): New function.
5979 (mention_regs): Special treatment for SUBREGs.
5980 (insert_regs): Don't strip SUBREG for call to mention_regs.
5981 Check if reg_tick needs to be bumped up before that call.
5982 (lookup_as_function): Try to match known word_mode constants when
5983 looking for a norrower constant.
5984 (canon_hash): Special treatment for SUBREGs.
5986 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5988 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5989 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5990 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5991 and offsets in actual stack trampoline code so they match the
5992 commentary and actually work.
5994 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5996 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5998 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5999 tmake_file. Set extra_parts to needed crt objects.
6000 * configure: Rebuilt.
6001 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6002 (TARGET_DEFAULT): Set if default is v9 or ultra.
6003 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6004 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6005 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6006 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6007 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6008 (TARGET_VERSION): Define.
6009 (MULTILIB_DEFAULT): Define.
6010 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6011 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6012 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6014 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6015 * config/sparc/sparc.c (sparc_override_options): If arch and
6016 pointer size disagree, emit diagnostic and fix it up. If
6017 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6018 V8PLUS in 64-bit mode.
6019 * config/sparc/t-linux64: New file.
6020 * config/sparc/t-sol2-64: New file.
6021 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6022 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6023 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6024 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6025 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6026 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6028 (STARTFILE_SPEC): Set approriately based upon those.
6029 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6030 disposition of DEFAULT_ARCH32_P.
6031 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6032 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6033 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6034 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6035 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6037 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6039 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6041 * rtl.h (init_virtual_regs): New function.
6042 * emit-rtl.c (init_virtual_regs): Define.
6043 (insn_emit): Use it.
6044 * integrate.c (save_for_inline_copying): Likewise.
6046 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6048 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6049 (enum reg_class): Add NONARG_LO_REGS support.
6050 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6051 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6052 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6053 completes. Re-enable HImode REG+OFFSET addresses.
6054 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6056 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6058 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6060 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6061 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6062 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6064 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6066 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6067 jumps as a single entity, taking into account the size of the
6070 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6072 * tree.def (SWITCH_EXPR): New tree node definition.
6074 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6076 * version.c: Bump for snapshot.
6078 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6080 * version.c: Bump for snapshot.
6082 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6084 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6087 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6089 * Revert this patch.
6090 * reload.c (find_reloads): Do not replace a pseudo with
6091 (MEM (reg_equiv_addr)) in the initializing insn for the
6094 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6096 * final.c (final_scan_insn): Disable tracking CC across branches.
6098 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6100 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6101 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6102 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6103 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6104 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6106 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6108 * toplev.c (rest_of_compilation): Skip compiling anything with
6109 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6111 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6113 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6114 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6115 use in_libcall_block.
6116 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6117 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6120 Mon Sep 21 14:02:23 1998
6122 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6123 typo in no-fancy-math-387 description.
6125 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6127 * version.c: Bump for snapshot.
6129 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6131 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6133 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6135 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6136 documented in install.texi.
6137 (TARGET_OPTIONS) Likewise.
6139 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6141 * version.c: Bump for snapshot.
6143 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6145 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6146 * cccp.c (main): Likewise.
6148 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6149 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6152 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6154 * Makefile.in (LIBS): Link in libiberty.a.
6155 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6157 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6159 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6160 it to update bb boundaries. Update caller.
6161 * function.c (reposition_prologue_and_epilogue_notes): Update
6162 bb boundaries wrt the moved note.
6164 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6166 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6168 * configure: Regenerate.
6170 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6172 * alpha.c (alpha_sr_alias_set): New variable.
6173 (override_options): Set it.
6174 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6175 (mode_mask_operand): Fix signed-unsigned comparision warning.
6176 (alpha_expand_block_move): Likewise.
6177 (print_operand): Likewise.
6178 (get_aligned_mem): Use change_address.
6179 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6180 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6181 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6182 (alpha_align_insns): Remade from old alphaev5_align_insns
6183 to handle multiple processors.
6184 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6185 * output.h (label_to_alignment): Prototype.
6187 * tree.c (new_alias_set): New function.
6188 * tree.h (new_alias_set): Declare it.
6189 * c-common.c (c_get_alias_set): Use it.
6191 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6193 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6194 to an ABS expr, convert an unsigned input to signed.
6196 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6198 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6200 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6202 * configure.in: Add support for c4x targets.
6203 * configure: Rebuilt.
6205 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6207 * combine.c (distribute_notes): If an insn is a cc0 user, only
6208 delete it if we can also delete the cc0 setter.
6210 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6212 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6213 (invert_truthvalue): Enable truthvalue inversion for
6214 floating-point operands if -ffast-math.
6216 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6218 * configure.in: Disable collect2 for nextstep. Instead use
6220 * configure: Rebuilt.
6221 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6222 (ENDFILE_SPEC): Define.
6223 (OBJECT_FORMAT_MACHO): Define.
6224 (EH_FRAME_SECTION_ASM_OP): Define.
6225 * crtstuff.c: Handle MACHO.
6227 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6229 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6231 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6233 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6234 (_fpadd_parts): Get sign right for 0.
6236 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6238 * ginclude/varargs.h: Add support for C4x target.
6239 * ginclude/stdargs.h: Likewise.
6241 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6243 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6244 (alpha_emit_set_long_const): Rewrite to be callable from reload
6246 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6247 * alpha.md (movdi): Likewise.
6249 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6251 * arm.c (add_constant): New parameter address_only, change caller.
6252 Set it non-zero if taking the address of an item in the pool.
6253 (arm_reorg): Handle cases where we need the address of an item in
6256 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6258 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6259 memory addresses that are not in standard canonical form.
6261 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6263 * README.C4X: New file with information about the c4x ports.
6264 * ginclude/va-c4x.h: New file for c4x varargs support.
6265 * config/c4x: New directory with c4x port files.
6267 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6269 * reload.c (find_reloads): Do not replace a pseudo with
6270 (MEM (reg_equiv_addr)) in the initializing insn for the
6273 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6275 * toplev.c (rest_of_compilation): Set bct_p on second call to
6277 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6279 (strength_reduce): Only call analyze_loop_iterations and
6280 insert_bct if bct_p set.
6281 (check_dbra_loop): Fix typo.
6282 (insert_bct): Use word_mode instead of SImode.
6283 (instrument_loop_bct): Likewise. Do not delete iteration count
6284 condition code generation insn. Initialize iteration count before
6286 * rtl.h (loop_optimize): Update prototype.
6288 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6289 not doubleword aligned.
6291 * rs6000.c (optimization_options): New function.
6292 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6293 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6294 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6295 first; cr1 can be used for FP record condition insns.
6297 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6299 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6302 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6305 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6307 (block_move_call): New function: Call a library routine to copy a
6309 (m32r_expand_block_move): New function: Expand a "movstrsi"
6310 pattern into a sequence of insns.
6311 (m32r_output_block_move): New function: Expand a
6312 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6313 (m32r_block_immediate_operand): New function: Return true if the
6314 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6316 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6318 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6320 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6322 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6324 * regmove.c (copy_src_to_dest): Check that modes match.
6326 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6328 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6330 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6332 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6333 narrower than FLOAT_REGS.
6335 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6337 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6339 * Makefile.in (old_gxx_include_dir): removed
6341 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6343 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6346 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6347 (sh_handle_pragma): Change function arguments to match new
6348 specification for HANDLE_PRAGMA.
6350 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6352 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6354 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6355 When generating output, initialize missing struct member to zero.
6357 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6359 * regmove.c (copy_src_to_dest): Don't copy if that requires
6360 (a) new register(s).
6362 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6364 * global.c (reg_allocno): Now static.
6365 * reload1.c (reg_allocno): Delete declaration.
6366 (order_regs_for_reload): Take no arguments. Don't treat regs
6367 allocated by global differently than those allocated by local-alloc.
6369 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6371 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6372 condition, fix format strings.
6373 (output_function_epilogue): Likewise.
6375 * m68k/m68k.c: Don't include <stdlib.h> directly.
6377 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6379 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6380 mem_first_set, mem_last_set; because 0 can be a CUID.
6381 (oprs_unchanged_p): Use new definition.
6382 (record_last_reg_set_info): Likewise.
6383 (record_last_mem_set_info): Likewise.
6384 (compute_hash_table): Likewise.
6386 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6388 * rs6000.c (output_epilogue): Handle Chill.
6390 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6391 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6393 * combine.c (make_extraction): If no mode is specified for
6394 an operand of insv, extv, or extzv, default it to word_mode.
6395 (simplify_comparison): Similarly.
6396 * expmed.c (store_bit_field): Similarly.
6397 (extract_bit_field): Similarly.
6398 * function.c (fixup_var_regs_1): Similarly.
6399 * recog.c (validate_replace_rtx_1): Similarly.
6400 * mips.md (extv, extzv, insv expanders): Default modes for most
6401 operands. Handle TARGET_64BIT.
6402 (movdi_uld, movdi_usd): New patterns.
6404 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6405 equivalent memory location unless we have been provided a scratch
6406 register. Similarly do not call find_replacement unless a
6407 scratch register has been provided.
6409 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6411 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6414 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6416 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6417 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6418 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6419 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6420 * c-decl.c (init_decl_processing): Update accordingly.
6421 * expr.c (expand_builtin): Likewise.
6423 * rtl.h (global_rtl): Add cfa entry.
6424 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6425 (LAST_VIRTUAL_REGISTER): Update.
6426 * emit-rtl.c (global_rtl): Add cfa entry.
6427 (init_emit): Initialize it.
6428 * function.c (cfa_offset): New.
6429 (instantiate_virtual_regs): Initialize it.
6430 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6431 (expand_function_end): Call expand_eh_return.
6432 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6434 * except.c (current_function_eh_stub_label): Kill.
6435 (current_function_eh_old_stub_label): Likwise; update all references.
6436 (expand_builtin_set_return_addr_reg): Kill.
6437 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6438 (expand_builtin_set_eh_regs): Kill.
6439 (eh_regs): Produce a third reg for the actual handler address.
6440 (eh_return_context, eh_return_stack_adjust): New.
6441 (eh_return_handler, eh_return_stub_label): New.
6442 (init_eh_for_function): Initialize them.
6443 (expand_builtin_eh_return, expand_eh_return): New.
6444 * except.h: Update prototypes.
6445 * flow.c (find_basic_blocks_1): Update references to the stub label.
6446 * function.h (struct function): Kill stub label elements.
6448 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6449 register number is one that would be in the previous window.
6450 Provide a dummy definition for non-windowed targets.
6451 (get_reg_addr): New function.
6452 (get_reg, put_reg, copy_reg): Use it.
6453 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6454 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6456 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6457 (alpha_init_expanders): Initialize it.
6458 (alpha_expand_epilogue): Use it.
6459 * alpha.h: Declare it.
6460 * alpha.md (eh_epilogue): New.
6462 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6463 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6465 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6467 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6470 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6472 * except.h (struct eh_entry): Add false_label field.
6473 (end_catch_handler): Add prototype.
6474 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6475 (start_catch_handler): When using old style exceptions, issue
6476 runtime typematch code before continuing with the handler.
6477 (end_catch_handler): New function, generates label after handler
6478 if needed by older style exceptions.
6479 (expand_start_all_catch): No need to check for new style exceptions.
6480 (output_exception_table_entry): Only output the first handler label
6481 for old style exceptions.
6482 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6483 mechanism into one function, if a runtime matcher is provided.
6485 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6487 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6489 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6491 * integrate.c (copy_decl_list): Fix typo.
6493 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6495 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6498 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6500 * version.c: Bump for snapshot.
6502 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6504 * version.c: Bump for snapshot.
6506 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6508 * version.c: Bump for snapshot.
6510 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6512 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6514 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6516 * configure.in: remove usage of `!' to negate the result of a
6517 command; some common shells do not support it
6519 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6521 * configure.in: in sparc9-sol2 config, use 'if test' not
6523 * configure: Rebuilt.
6525 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6527 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6528 (CPP_CPU_DEFAULT_SPEC): Likewise.
6529 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6530 for arch64 libfuncs.
6532 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6535 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6537 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6539 * collect2.c: Don't declare `sys_siglist' here.
6540 (my_strsignal): Prototype and define new function. Use it in
6541 place of `sys_siglist' hacks.
6543 * mips_tfile.c: Likewise.
6545 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6546 (GCC_NEED_DECLARATIONS): Likewise.
6548 * system.h (strsignal): Prototype it, if necessary.
6549 (sys_siglist): Declare it, if necessary.
6551 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6553 * loop.c (move_movables): While removing insn sequences, preserve
6554 the next pointer of the most recently deleted insn when we skip
6557 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6559 * objc/config-lang.in: Do not output the name of the selected
6560 thread file when building the front-end. The Makefile for the
6561 runtime library will do this.
6563 * objc/Make-lang.in: Do not build the runtime library or install
6564 the Objective C header files. The Makefile for the runtime
6565 library will do this.
6567 * objc/Makefile.in (all.indirect): Only build the front-end.
6568 (compiler): Rename to `frontend'.
6569 (obj-runtime): Remove target.
6570 (copy-headers): Likewise.
6571 (clean): No need to remove `libobjc.a' any longer.
6573 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6575 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6576 supported with -mcpu=xxx.
6578 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6580 * flow.c (mark_set_1): Recognize multi-register structure return
6581 values in CALL insns.
6582 (mark_used_regs): Likewise.
6583 (count_reg_sets_1): Likewise.
6584 (count_reg_references): Likewise.
6585 * rtlanal.c (note_stores): Likewise.
6586 (reg_overlap_mentioned_p): Likewise.
6587 * haifa-sched.c (check_live_1): Likewise.
6588 (update_live_1): Likewise.
6589 (sched_analyze_1): Likewise.
6590 (sched_note_set): Likewise.
6591 (birthing_insn_p): Likewise.
6592 (attach_deaths): Likewise.
6594 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6597 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6599 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6601 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6603 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6605 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6607 * configure.in: Add check for GAS subsection -1 support.
6608 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6609 * configure config.in: Rebuilt.
6610 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6611 SImode is subsection -1 works, else use DImode.
6612 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6613 subsection -1 works.
6614 * config/sparc/sparc.c (sparc_output_addr_vec,
6615 sparc_output_addr_diff_vec): Use them if defined.
6617 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6619 * tree.h (DECL_ORIGIN): New macro.
6620 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6621 (copy_decl_list): Use it.
6622 (integrate_parm_decls): Likewise.
6623 (integrate_decl_tree): Likewise.
6624 * dwarf2out.c (decl_ultimate_origin): Simplify.
6625 * dwarfout.c (decl_ultimate_origin): Likewise.
6626 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6627 (pushdecl): Likewise.
6629 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6631 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6633 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6635 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6637 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6639 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6640 empty or has a single entry.
6642 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6643 before calling reg_to_stack.
6645 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6647 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6648 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6650 * c-tree.h (warn_long_long): Declare it.
6652 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6654 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6655 initialized float-int union if the value is a NaN.
6657 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6659 * c-lex.c (real_yylex): Don't warn about long long constants if
6660 we're allowing long long
6662 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6664 * except.h (current_function_eh_stub_label): Declare.
6665 (current_function_eh_old_stub_label): Declare.
6666 * function.h (struct function): New members eh_stub_label and
6668 * except.c (current_function_eh_stub_label): New variable.
6669 (current_function_eh_old_stub_label): New variable.
6670 (init_eh_for_function): Clear them.
6671 (save_eh_status): Save them.
6672 (restore_eh_status): Restore them.
6673 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6674 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6675 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6676 make an edge from the block that contains it to the block starting
6677 with the label if this label is one of the eh stub labels.
6678 If eh stub labels exist, show they are reachable from the last block
6681 * reload1.c (reload): Break out several subroutines and make some
6683 (calculate_needs_all_insns): New function, broken out of reload.
6684 (calculate_needs): Likewise.
6685 (find_reload_regs): Likewise.
6686 (find_group): Likewise.
6687 (find_tworeg_group): Likewise.
6688 (something_needs_reloads): New global variable, formerly in reload.
6689 (something_needs_elimination): Likewise.
6690 (caller_save_spill_class): Likewise.
6691 (caller_save_group_size): Likewise.
6692 (max_needs): Likewise.
6693 (group_size): Likewise.
6694 (max_groups): Likewise.
6695 (max_nongroups): Likewise.
6696 (group_mode): Likewise.
6697 (max_needs_insn): Likewise.
6698 (max_groups_insn): Likewise.
6699 (max_nongroups_insn): Likewise.
6700 (failure): Likewise.
6702 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6704 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6706 * loop.c (load_mems): Copy rtx for output mem.
6708 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6710 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6711 mips1 or mips2 either.
6713 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6715 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6717 (pa_adjust_insn_length): Update to work with new marking scheme
6718 for jumps inside switch tables.
6719 * pa.md (switch_jump): Remove pattern.
6720 (jump): Handle jumps inside jump tables.
6722 * Makefile.in (profile.o): Depend on insn-config.h
6724 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6726 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6728 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6730 Add preliminary native sparcv9 Solaris support.
6731 * configure.in: Recognize sparv9-*-solaris2*
6732 * configure: rebuilt
6733 * config.sub: Recognize sparcv9 just like sparc64.
6734 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6735 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6736 32-bit and 64-bit Solaris systems.
6737 * config/sparc/t-sol2: Assemble those with cpp.
6738 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6739 (*TF*_LIBCALL): If ARCH64 use V9 names.
6740 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6742 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6744 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6745 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6747 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6749 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6750 to Pmode if CASE_VECTOR_MODE is something else.
6752 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6754 * prefix.c (update_path): Correctly handle cases where PATH is
6755 a substring of the builtin prefix, but specifies a different
6758 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6760 * expr.c: Corrected comment about what MOVE_RATIO does.
6761 * config/alpha/alpha.h: Ditto.
6762 * config/1750a/1750a.h: Ditto.
6763 * config/clipper/clipper.h: Ditto.
6764 * config/i386/i386.h: Ditto.
6766 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6768 * configure.in (m68k-next-nextstep3*): Use collect2.
6769 Similarly for x86 NeXT configurations.
6770 * configure: Rebuilt.
6772 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6774 * configure.in: Don't assume srcdir is .../gcc
6775 * configure: Rebuilt.
6777 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6779 * global.c: Update comments.
6780 (global_alloc): Assign allocation-numbers
6781 even for registers allocated by local_alloc in case
6782 they are later spilled and retry_global_alloc is called.
6783 (mark_reg_store, mark_reg_clobber,
6784 mark_reg_conflicts, mark_reg_death): Always record a
6785 conflict with a pseudo register even if it has been
6786 assigned to a hard register.
6787 (dump_conflicts): Don't list pseudo registers already assigned to
6788 a hard register as needing to be allocated, but do list their
6790 * local-alloc.c: Update comment.
6792 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6794 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6795 * configure: Rebuilt.
6797 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6799 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6801 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6802 for all targets that set -msoft-float.
6804 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6806 * toplev.c (print_switch_values): Make static to match prototype.
6808 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6810 * configure.in: If we are unable to find the "gnatbind" program,
6811 then do not configure the ada subdir.
6812 * configure: Rebuilt.
6814 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6816 * version.c: Bump for snapshot.
6818 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6820 * version.c: Bump for snapshot.
6822 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6824 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6825 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6827 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6829 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6831 * genextract.c: Have insn-extract.c include toplev.h.
6833 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6835 * toplev.c: Include expr.h.
6836 (really_sorry, fancy_abort): Remove prototypes.
6837 (set_target_switch): Add argument in prototype.
6838 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6839 (v_really_sorry): Likewise.
6840 (print_version, print_single_switch, print_switch_values): Make
6841 static and add prototype arguments.
6842 (decl_printable_name): Add prototype arguments.
6843 (lang_expand_expr_t): New typedef.
6844 (lang_expand_expr): Declare as a lang_expand_expr_t.
6845 (incomplete_decl_finalize_hook): Add prototype argument.
6846 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6847 (botch): Likewise for variable `s'.
6848 (rest_of_type_compilation): Mark variables `type' and `toplev'
6849 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6850 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6851 (display_help): Make variable `i' an `unsigned long'.
6852 (main): Remove unused parameter `envp'.
6853 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6854 Cast -1 when comparing it with a `size_t'.
6856 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6857 prototype with ATTRIBUTE_NORETURN.
6858 (fatal_insn_not_found, fatal_insn, really_sorry,
6859 push_float_handler, pop_float_handler): Add prototypes.
6860 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6861 (do_abort, botch): Add prototypes.
6863 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6865 * final.c (final): If a label is reached only from a single jump,
6866 call NOTICE_UPDATE_CC on the jump and its predecessor before
6867 emitting the insn after the label.
6869 * i386.h: Add AMD K6 support.
6870 Change TARGET_* macros to use table lookup.
6871 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6872 (ADJUST_COST): Change definition to call function in i386.c.
6873 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6874 * i386.c: Add AMD K6 support.
6875 Add constants for feature tests used by TARGET_* macros.
6876 (split_di): If before reload, call gen_lowpart and gen_highpart.
6877 (x86_adjust_cost): New function.
6878 (put_jump_code): New function.
6879 (print_operand): New codes 'D' and 'd'.
6880 * i386.md: New insn types. New insn attribute "memory".
6881 Redefine scheduling parameters to use new types and add AMD K6
6882 support. Explicitly set type of most insns.
6883 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6884 Pro and K6 prefer movl $1,reg to incl reg.
6885 (adddi3, subdi3): Set cc_status.
6886 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6887 to int; x86 can't have more than 2^31 DImode shifts per file.
6888 (setcc): Combine all setcc patterns. Allow writing memory.
6889 Combine all jump patterns using match_operator.
6890 (*bzero): Name pattern. Emit mutliple stos instructions when that
6891 is faster than rep stos.
6892 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6895 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6897 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6900 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6902 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6903 not whatever we're generating now.
6905 * alpha.c (set_frame_related_p, FRP): New.
6906 (alpha_expand_prologue): Mark frame related insns.
6907 (alpha_expand_epilogue): Likewise, but with a null FRP.
6908 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6909 * alpha.md (exception_receiver): New.
6910 * alpha/crtbegin.asm (.eh_frame): New beginning.
6911 (__do_frame_setup, __do_frame_takedown): New.
6912 * alpha/crtend.asm (.eh_frame): New ending.
6913 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6914 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6915 (ASM_FILE_START): Don't emit .file for dwarf2.
6917 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6918 * rtl.c (reg_note_name): Likewise.
6919 * rtl.texi (REG_NOTES): Likewise.
6920 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6923 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6925 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6926 * i386.md (movsf, movdf, movxf): Validate memory address returned
6927 from force_const_mem. Kill useless REG_EQUAL setting code.
6929 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6931 * m68k.md (zero_extendsidi2): Fix typo.
6933 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6935 * configure.in: Removed references to the removed file
6936 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6937 * arm*-*-netbsd* and ns32k-*-netbsd*.
6938 * config/i386/xm-netbsd.h: Removed unnecessary file.
6939 * config/m68k/xm-netbsd.h: Likewise.
6940 * config/sparc/xm-netbsd.h: Likewise.
6941 * config/mips/xm-netbsd.h: Likewise.
6943 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6945 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6946 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6948 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6949 for exact section attributions.
6951 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6953 * i386/crtdll.h (CPP_PREDEFINES): Define.
6955 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6957 * m68k.md (5200 movqi): Do not allow byte sized memory references
6959 * m68k.c (output_move_qimode): Do not use byte sized operations on
6962 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6963 explicit rules for building. Similarly for alloca, vfprintf,
6964 choose-temp and mkstemp, getopt, getopt1, and obstack.
6965 (INCLUDES): Add $(srcdir)/../include.
6966 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6967 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6969 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6971 * gcc.c (do_spec_1): [case 'o'] Account for
6972 lang_specific_extra_outfiles.
6973 (main): Correctly clear all slots in outfiles for
6974 lang_specific_extra_outfiles. Set input_file_number before
6975 calling lang_specific_pre_link.
6977 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6979 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6981 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6983 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6985 (sparc_output_deferred_case_vectors): If no work to do, return.
6986 Fix thinko in Sept 1 change.
6988 1998-09-03 SL Baur <steve@altair.xemacs.org>
6990 * Makefile.in: add semicolon in BISON definition for portability.
6992 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6994 * config/nextstep.c (handle_pragma): Correct name of third
6997 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6999 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7000 * config/m32r/m32r.h: Make register 17 be fixed.
7001 * config/m32r/m32r.c: Use SImode for cc operations.
7003 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7005 * invoke.texi (Warning Options): Add -Wnon-template-friend
7008 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7010 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7012 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7014 * rs6000.md (movsf): Disable explicit secondary-reload-like
7015 functionality if TARGET_POWERPC64.
7016 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7019 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7021 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7022 and term.h from fixinc.wrap.
7024 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7026 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7027 safe to include both string.h and strings.h together.
7028 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7029 which headers to search for function declarations. Continue to
7030 prefer string.h over strings.h when both are not acceptable.
7032 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7034 * configure.in: Call GCC_HEADER_STRING.
7036 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7037 to include. Continue to prefer string.h over strings.h when both
7040 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7042 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7043 not assume top 32-bits of symbolic addresses are zero if
7046 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7048 * ginclude/va-alpha.h: Protect entire second portion of the
7049 file against double inclusion.
7051 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7053 Added support for the Boehm's garbage collector.
7054 * configure.in: Handle --enable-objc-gc.
7055 * configure: Rebuilt.
7056 * Makefile.in (CHECK_TARGETS): Add check-objc.
7057 (check-objc): New rule.
7058 * objc/Make-lang.in: Build a different Objective-C library that
7059 runs with the Boehm's collector.
7060 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7061 * objc/encoding.c: Correctly compute the size of compound types in
7062 the presence of bitfields. Skip the variable name of the type if
7063 any. Added support for long long.
7064 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7065 (_F_GCINVISIBLE): New mask.
7066 * objc/gc.c: New file. Compute the type memory mask associated with
7067 a class based on the runtime information.
7068 * objc/misc.c: Added the hooks that use the Boehm's collector
7069 allocation functions.
7070 * objc/objc-act.c (build_class_template): Generate a new class
7071 member (gc_object_type) to hold the class' type memory mask.
7072 (build_shared_structure_initializer): Initialize the new member to
7074 (encode_complete_bitfield): New function. Generate the new
7076 (encode_field_decl): Generate the new encoding only for the GNU
7078 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7080 (class_get_gc_object_type): New function to mark a pointer instance
7081 variable as a weak pointer.
7082 * objc/objc-features.texi: New file.
7083 * objc/objc.h (gc_object_type): New class member.
7084 * objc/objects.c (class_create_instance): Create a typed memory
7085 object when compiled with Boehm's collector support.
7086 * objc/sendmsg.c (__objc_init_install_dtable): Call
7087 __objc_send_initialize instead of setting the initialize flag.
7088 (__objc_send_initialize): Call __objc_generate_gc_type_description
7089 to generate the class type memory mask. Rewrite the code that
7090 sends the +initialize so that it is called only once (bug report
7091 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7092 * testsuite/objc: New testsuite for Objective-C type encoding.
7093 * testsuite/lib/objc-torture.exp: New file.
7094 * testsuite/lib/objc.exp: New file.
7096 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7098 * jump.c (jump_optimize): In if/then/else transformations, add
7099 another call to modified_between_p for the jump insn.
7101 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7103 * fix-header.c (symlink): Treat like readlink.
7105 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7107 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7110 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7112 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7113 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7114 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7116 * config/nextstep.c (handle_pragma): Take three arguments, as per
7117 the new HANDLE_PRAGMA macro specification.
7118 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7119 per the new HANDLE_PRAGMA macro specification.
7120 * config/i960/i960.c (process_pragma): Take three arguments, as
7121 per the new HANDLE_PRAGMA macro specification.
7123 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7125 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7126 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7127 if unknown pragmas are encountered.
7128 (handle_sysv_pragma): Interpret return code from
7129 handle_pragma_token (). Return success/failure indication rather
7130 than next unprocessed character.
7131 (pragma_getc): New function: retrieves characters from the
7132 input stream. Defined when HANDLE_PRAGMA is enabled.
7133 (pragma_ungetc): New function: replaces characters back into the
7134 input stream. Defined when HANDLE_PRAGMA is enabled.
7136 * c-pragma.c (handle_pragma_token): Return success/failure status
7139 * c-pragma.h: Change prototype of handle_pragma_token().
7141 * varasm.c: (handle_pragma_weak): Only create this function if
7142 HANDLE_PRAGMA_WEAK is defined.
7144 * c-common,c (decl_attributes): If defined call the expression
7145 contained within the INSERT_ATTRIBUTES macro before adding
7146 attributes to a decl.
7148 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7149 HANDLE_PRAGMA, which takes three arguments.
7150 (INSERT_ATTRIBUTES): Document this new macro.
7152 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7153 new INSERT_ATTRIBUTES macro.
7155 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7157 * config/sparc/sparc.md (movdf): Only generate special RTL for
7158 LABEL_REFs when PIC.
7159 (move_label_di): Remove
7160 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7161 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7162 references when PIC.
7163 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7164 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7165 output an .xword for all 64-bit cases.
7167 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7169 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7170 alignment, use FUNCTION_BOUNDARY instead.
7171 (sparc_output_deferred_case_vectors): Likewise.
7173 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7175 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7176 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7178 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7180 * alpha/va_list.h: New file.
7181 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7183 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7185 * NEWS: Add SCO Openserver and Unixware 7 notes.
7189 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7191 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7192 (record_constant_1): Handle RANGE_EXPR.
7194 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7196 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7197 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7198 and NOTE_INSN_RANGE_END specially.
7199 (reemit_notes): Likewise.
7201 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7203 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7204 (ultrasparc_sched_init): Remove unneeded &.
7206 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7208 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7209 for m68020-60, to prevent the use of fintrz.
7211 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7213 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7215 * Makefile.in: Likewise.
7216 * configure: Regenerated.
7218 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7220 * configure.in (gxx_include_dir): Changed to
7221 '${prefix}/include/g++'-${libstdcxx_interface}.
7222 * configure: Rebuilt.
7224 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7226 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7228 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7229 *sequences* *below* which scalar moves will be used.
7231 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7233 * collect2.c (mktemp): Delete unused declaration.
7235 * config/xm-netbsd.h: Remove unnecessary file.
7236 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7237 file anymore, it is not needed.
7239 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7241 * convert.c (convert_to_integer): Issue an error on conversions to
7244 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7246 * Makefile.in: Add lang_tree_files and gencheck.h.
7247 * configure.in: Generate them.
7248 * gencheck.c: Include gencheck.h.
7250 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7252 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7253 movdi_lo_sum_pic and movdi_high_pic and make visible.
7254 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7255 emit these when Pmode is not SImode.
7256 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7258 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7260 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7261 .linkonce directive after the first time.
7263 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7265 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7266 the clobbered operand overlaps with an input.
7267 (bne0_di): Similarly.
7269 * Makefile.in (INSTALL): Remove "--no-header" argument.
7271 * NEWS: Various updates.
7273 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7275 * config/sparc/sparc.c (arith_operand, const64_operand,
7276 const64_high_operand, arith_double_4096_operand): Mark mode as
7278 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7280 (sparc_emit_set_const64): Remove unused variable i.
7281 (sparc_splitdi_legitimate): Likewise for addr_part.
7282 (ultra_code_from_mask): Likewise for mask.
7283 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7284 reverse return values so it matches usage and comments.
7285 (ultra_flush_pipeline): Likewise.
7286 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7287 this_type, and allow loads and stores of differing FP modes as
7288 they do not create a conflict.
7289 (ultra_find_type): Initialize fpmode to SFmode, fix
7290 parenthesization thinkos in large conditional.
7291 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7292 Init free_slot_mask after ultra_cur_hist is reset, not before.
7293 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7294 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7295 use ultra_flush_pipeline instead, then re-init group pointer.
7296 Fix statement with no effect. If no progress made in, and no
7297 instructions scheduled at all, advance to new pipeline cycle else
7298 we get into an endless loop.
7299 (ultrasparc_adjust_cost): Remove previous arg.
7300 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7302 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7304 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7305 code. Use reg_overlap_mentioned_p to detect when source and
7306 destination overlap.
7307 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7309 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7311 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7312 COMPARISON_VAL, into invariant_p.
7314 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7316 * regmove.c (regclass_compatible_p): New function.
7317 (regmove_optimize): Use it.
7319 Use NREGS parameter insted of calling max_reg_num.
7321 (fixup_match_1): Don't use code = MINUS when later tieing with
7322 a hard register is likely.
7324 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7326 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7327 COMPARISON_VAL was normalized.
7329 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7331 * loop.c (check_dbra_loop): The loop ending comparison value
7332 must be an invariant or we can not reverse the loop.
7334 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7335 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7337 (load_mems_and_recount_loop_regs_set): Likewise.
7339 * i386.c (print_operand): Remove obsolete 'c' docs.
7341 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7343 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7344 * frame.c (init_object_mutex): New function.
7345 (init_object_mutex_once): Likewise.
7346 (find_fde): Call it.
7347 (__register_frame_info): Likewise.
7348 (__register_frame_info_table): Likewise.
7349 (__deregister_frame_info): Likewise.
7351 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7353 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7355 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7357 * loop.c (check_dbra_loop): Enable code for reversal
7358 of some loops without a known constant loop end.
7360 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7362 * haifa-sched.c (last_clock_var): New.
7363 (schedule_block): Initialize it.
7364 (schedule_insn): Use it to fill insn modes with issue information.
7366 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7367 Tag trapb and next insn with TImode.
7368 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7369 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7370 Invoke alphaev5_align_insns as appropriate.
7371 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7372 (MD_SCHED_VARIABLE_ISSUE): New.
7373 * alpha.md (attr type): Add multi.
7374 (define_asm_attributes): New.
7375 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7376 (arg_home): Likewise.
7377 (fnop, unop, realign): New.
7379 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7381 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7382 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7384 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7385 (rs6000-ibm-aix4.[12]*): Likewise.
7386 * configure: Regnerate.
7388 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7390 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7391 already contains the return address.
7393 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7395 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7396 word sized hunks when loading unaligned args into registers.
7398 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7399 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7401 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7403 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7405 * loop.c (check_dbra_loop): Add some code that would allow reversal
7406 of some loops without a known constant loop end if it were enabled.
7408 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7410 * mips.md (lshrsi3_internal2+2): Fix type-o.
7412 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7414 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7415 correctly with regards to stdio.h.
7417 * calls.c: Remove stdarg.h/varargs.h.
7420 * combine.c: Likewise.
7421 * cpperror.c: Likewise.
7422 * cpplib.c: Likewise.
7423 * cpplib.h: Likewise.
7424 * doprint.c: Likewise.
7425 * emit-rtl.c: Likewise.
7426 * final.c: Likewise.
7427 * fix-header.c: Likewise.
7429 * genattr.c: Likewise.
7430 * genattrtab.c: Likewise.
7431 * gencodes.c: Likewise.
7432 * genconfig.c: Likewise.
7433 * genemit.c: Likewise.
7434 * genextract.c: Likewise.
7435 * genflags.c: Likewise.
7436 * genopinit.c: Likewise.
7437 * genoutput.c: Likewise.
7438 * genpeep.c: Likewise.
7439 * genrecog.c: Likewise.
7440 * mips-tfile.c: Likewise.
7441 * prefix.c: Likewise.
7442 * protoize.c: Likewise.
7443 * regmove.c: Likewise.
7444 * toplev.c: Likewise.
7447 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7449 * config/sparc/sparc.c (sparc_override_options): If not
7450 TARGET_FPU, turn off TARGET_VIS.
7451 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7452 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7453 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7454 (movdi_insn_sp64): Add VIS fzero alternative.
7455 (clear_sf, clear_df): New VIS patterns.
7456 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7458 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7460 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7462 * loop.c (n_times_set, n_times_used, may_not_optimize,
7463 reg_single_usage): Convert to varrays. All uses changed.
7464 (insert_loop_mem): Return a value.
7465 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7466 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7469 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7472 * configure.in: Do not set thread_file to "irix" since no such
7475 * sparc.md (float abs/neg splits): Check reload_completed before
7476 calling alter_subreg.
7478 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7480 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7482 * config/sparc/sparc.h: Declare it.
7483 * config/sparc/sparc.md (float abs/neg splits): Use it.
7484 (all other splits): Handle SUBREGs properly where necessary.
7485 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7487 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7489 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7490 an insn on the unfilled_slots_list that has no delay slots.
7491 (fill_eager_delay_slots): Similarly.
7493 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7495 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7496 as an ordinary operand.
7498 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7500 * tree.c (valid_machine_attribute): Don't apply attributes to both
7503 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7505 * reload.c (operands_match_p): Handle rtvecs.
7507 * i386.c (legitimate_pic_address_disp_p): New.
7508 (legitimate_address_p): Use it.
7509 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7510 Handle constant pool symbols just like statics.
7511 (emit_pic_move): Use Pmode not SImode for clarity.
7512 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7513 [UNSPEC]: New, handling what we killed above.
7514 [PLUS]: Detect and abort on invalid symbol arithmetic.
7515 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7517 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7519 * alias.c: Include output.h.
7520 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7521 different if we're in a varargs function.
7522 * Makefile.in (alias.o): Depend on output.h
7524 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7526 * sh.h (GIV_SORT_CRITERION): Delete.
7528 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7530 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7531 * stupid.c (stupid_life_analysis): Ditto.
7532 * reload1.c (reload): Ditto.
7534 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7536 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7537 arith_double_4096_operand, arith_double_add_operand): New
7539 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7540 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7541 them to transform add/sub 4096 into add/sub -4096.
7543 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7545 * loop.c (scan_loop): Allocate some slop to handle pseudos
7546 generated by move_movables.
7547 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7550 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7552 * tree.def (DECL_RESULT): Correct documentation.
7554 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7556 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7557 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7558 conflicts will all RELOAD_FOR_OUTPUT reloads.
7560 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7561 loads the function result, substitute with a USE.
7563 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7565 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7566 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7567 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7568 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7569 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7570 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7572 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7573 'o' to 'm' for GPR variant constraints.
7575 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7577 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7579 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7581 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7582 when the source and destination overlap.
7584 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7585 clash with global type.
7587 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7589 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7591 * c-common.c (combine_strings): Also set TREE_READONLY.
7592 Change warn_write_strings to flag_const_strings.
7593 * c-decl.c, c-tree.h: Likewise.
7595 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7597 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7598 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7599 sequence, use SET/IOR instead so CSE can see it.
7600 * config/sparc/sparc.md (movhi_const64_special,
7601 movsi_const64_special): New patterns necessitated by that change.
7602 (movhi_high): Remove.
7603 (movhi_lo_sum): Change to match an IOR.
7604 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7605 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7606 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7607 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7608 registers are involved.
7609 (snesi_zero_extend split): Remove reload_completed test.
7610 (unnamed plus and minus zero_extend sidi splits): Add it.
7612 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7614 * extend.texi: Remove description of extension to explicit
7615 instantiation that is now endorsed by standard C++.
7617 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7619 * config/arc/arc.c (arc_initialize_pic): Remove.
7620 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7621 nothing on any platform and is invoked by no-one, it does not even
7622 appear in the documentation.
7623 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7624 * config/sparc/sparc.c (initialize_pic): Likewise.
7625 (find_addr_reg): Remove this as well, no longer referenced after
7628 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7630 * recog.c (validate_replace_rtx_group): New function.
7631 * recog.h (validate_replace_rtx_group): Declare it.
7632 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7633 the entire group of substitutions.
7635 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7637 * loop.c (load_mems): Fix initializers.
7639 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7641 * config/sparc/sparc.md (TFmode splits): Handle destination
7642 registers being referenced in the address correctly.
7644 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7645 TREE_UNSIGNED, when bitsize of type's mode is larger than
7646 HOST_BITS_PER_WIDE_INT.
7648 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7650 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7651 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7652 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7654 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7657 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7659 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7660 * h8300.h (TINY_DATA_NAME_P): Likewise.
7661 (STRIP_NAME_ENCODING): Handle '&'.
7663 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7664 register (it could be accessed via an outer SUBREG).
7665 (REG_OK_FOR_BASE_P): Likewwise.
7666 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7668 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7671 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7673 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7675 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7676 must be offsettable so the splits can be made.
7678 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7680 * config/i386/winnt.c: Include system.h, not stdio.h to get
7681 sys/param.h pulled in before rtl.h in case the system defines MIN
7684 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7686 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7688 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7690 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7692 * cpplib.c (cpp_define): Handle macros with parameters.
7694 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7696 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7697 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7698 and DImode 64-bit. Use llong for minimal-toc SFmode and
7699 SYMBOL_REF / LABEL_REF 64-bit.
7700 (output_function_profiler): Use llong for profiler label and ld to
7701 load 64-bit label address.
7703 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7705 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7708 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7710 * version.c: Bump for snapshot.
7712 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7714 * version.c: Bump for snapshot.
7716 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7718 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7720 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7722 * tm.texi (Misc): Fix typo "teh".
7724 * tm.texi (PIC): Fix typo "PPIC".
7726 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7727 effect when -O2 and higher.
7728 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7730 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7732 * regclass.c: Changed register set documentation to be consistent
7735 * final.c (final_start_function) Removed redundant test for
7738 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7740 * rtl.h (rtx_function): New type.
7741 (for_each_rtx): New function.
7742 * rtlanal.c (for_each_rtx): Define it.
7744 * recog.c (change_t): New type.
7745 (change_objects, change_old_codes, change_locs, change_olds):
7747 (changes): New variable.
7748 (validate_change): Dynamically allocate room for more changes, if
7749 necessary. Uses changes array instead of change_objects, etc.
7750 (apply_change_group): Use changes array instead of
7751 change_objects, etc.
7753 * loop.c (loop_mem_info): New type.
7754 (loop_mems): New variable.
7755 (loop_mems_idx): Likewise.
7756 (looop_mems_allocated): Likewise.
7757 (scan_loop): Remove nregs parameter.
7758 (next_insn_in_loop): New function.
7759 (load_mems_and_recount_loop_regs_set): Likewise.
7760 (load_mems): Likewise.
7761 (insert_loop_mem): Likewise.
7762 (replace_loop_mem): Likewise.
7763 (replace_label): Likewise.
7764 (INSN_IN_RANGE_P): New macro.
7765 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7766 (scan_loop): Remove nregs parameter, compute it after any new
7767 registers are created by load_mems. Use INSN_IN_RANGE_P and
7768 next_insn_in_loop rather than expanding them inline. Call
7769 load_mems to load memory into pseudos, if appropriate.
7770 (prescan_loop): Figure out whether or not there are jumps from the
7771 loop to targets other than the label immediately following the
7772 loop. Call insert_loop_mem to notice all the MEMs used in the
7773 loop, if it could be safe to pull MEMs into REGs for the duration
7775 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7777 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7779 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7781 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7783 * config/sparc/sparc.c (finalize_pic): Check for the correct
7784 nonlocal_goto_receiver UNSPEC number.
7785 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7786 making note of this dependency existing in sparc.c
7787 (negtf2_notv9 split): Give NEG SFmode.
7788 (negsf2): Fix insn output string.
7790 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7792 * c-common.c (decl_attributes): Issue an error if the argument
7793 to alias is not a string.
7795 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7797 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7798 pending memory flush list.
7800 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7802 (try_combine): Allow combining insns with REG_LIBCALL notes.
7804 * expr.c (emit_block_move): Do not call memcpy as a libcall
7805 instead build up a CALL_EXPR and call it like any other
7807 (clear_storage): Similarly for memset.
7809 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7812 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7815 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7816 and REG_LIVE_LENGTH as successful substitutions are made.
7818 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7820 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7821 statement after end of loop label.
7823 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7825 * config/sparc/sparc.c (ultra_types_avail): New variable.
7826 (ultra_build_types_avail): New function to record mask of insn
7827 types in ready list at this cycle.
7828 (ultrasparc_sched_reorder): Call it.
7829 (ultra_find_type): Use it to quicken the search. Also simplif
7830 dependency check, don't use rtx_equal_p because we know exactly
7831 what we are looking for.
7833 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7835 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7836 for architecture v4.
7838 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7840 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7842 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7843 movdf_const_intreg and helper splits): New patterns to move float
7844 constants into integer registers.
7845 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7848 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7851 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7853 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7855 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7856 a BASE_REGS register is needed as an intermediate when copying
7857 a symbolic value into any register class other than BASE_REGS.
7859 * expr.c (move_by_pieces): No longer static. Remove prototype.
7860 * rtl.h (move_by_pieces): Add extern prototype.
7861 * mips.c (expand_block_move): Handle aligned straight line copy by
7862 calling move_by_pieces.
7864 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7867 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7869 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7870 jumps out of the loop to be treated as part of the exit test.
7872 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7873 Jeff Law <law@cygnus.com>
7875 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7876 * cplus-dem.c: Delete.
7878 * Makefile.in (fold-const.o): depend on $(RTL_H).
7880 * fold-const.c: Include rtl.h to get the prototype for
7881 `set_identifier_local_value'.
7883 * loop.c (express_from_1): Remove unused variable `tmp'.
7884 (combine_givs): cast the first argument of bzero to char *.
7886 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7888 * c-decl.c (init_decl_processing): Remove unneeded &.
7890 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7892 * except.c (set_exception_lang_code, set_exception_version_code):
7893 Change parameter from `short' to `int' to avoid using a gcc
7896 * except.h (set_exception_lang_code, set_exception_version_code):
7897 Likewise for prototypes.
7899 * flow.c (count_reg_references): Remove unused variables `regno'
7902 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7904 * prefix.c (translate_name): Cast the result of `alloca'.
7906 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7908 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7910 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7912 (valid_dbcc_comparison_p): Mark mode argument as unused.
7913 (symbolic_operand): Likewise.
7914 (legitimize_pic_address): Likewise.
7915 (const_uint32_operand): Likewise.
7916 (const_sint32_operand): Likewise.
7917 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7918 schedule_insns and comment out rest of file.
7920 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7922 (output_move_[hq]imode): Likewise.
7924 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7926 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7927 * invoke.texi: Corresponding changes.
7929 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7931 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7933 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7935 * config/sparc/sparc.c (ultra_code_from_mask,
7936 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7937 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7938 ultrasparc_sched_init, ultrasparc_variable_issue,
7939 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7940 functions to describe UltraSPARC pipeline exactly to Haifa.
7941 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7942 as there is nothing the scheduler can do about it. Indicate that
7943 REG_DEP_OUTPUT's collide. Fixup formatting.
7944 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7945 divide costs on Ultra for DImode.
7946 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7948 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7949 ieuN and add call_no_delay_slot to type list.
7950 (cti function unit): New unit for branches on UltraSPARC.
7951 (subx/addx insns): Set type to misc.
7952 (sidi zero/sign extension insns on arch64): Set type to shift.
7953 (sign_extendhidi2_insn): Set type to sload.
7955 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7957 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7958 (output_epilog): Use if != 0 for offset.
7959 (rs6000_fatal_bad_address): Prepare for Intl.
7960 * rs6000.h (rs6000_fatal_bad_address): Declare.
7961 * rs6000.md (movsfcc, movdfcc): Use else if.
7962 (elf_high): Use {liu|lis}.
7963 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7964 (movsi): Use rs6000_fatal_bad_address.
7966 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7968 * reload.c (find_equiv_reg): Reject equivalences separated
7969 by a volatile instruction.
7971 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7973 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7975 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7977 * alpha.md (movsicc): Fix mode mismatch.
7979 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7981 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7983 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7985 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7987 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7988 write-only modifier from operand 1 constraint.
7990 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7992 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7993 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7995 (sparc_emit_set_const64): Likewise, also when computing trailing
7996 bits do not negate low_bits and make fast_int an int.
7998 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8000 * loop.c (add_label_notes): Do not ignore references to labels
8001 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8002 * gcse.c (add_label_notes): Similarly.
8004 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8006 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8007 (adddi_dishl32): Similarly.
8009 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8011 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8012 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8013 * cse.c (cse_basic_block): Add parens to shut up warnings.
8015 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8017 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8018 sparc_emit_set_const64_longway, const64_is_2insns,
8019 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8020 in 64-bit constant formation.
8021 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8022 rtl for addx not subx.
8023 (define_insn movdi_const64_special): Make available even when
8024 HOST_BITS_PER_WIDE_INT is not 64.
8025 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8026 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8027 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8028 instances of operand 1 inside a QI subreg.
8029 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8030 (one_cmpldi2_sp64): Fix output string.
8031 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8033 (unnamed arch64 ashift DI): Truncate shift count if greater than
8036 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8038 * expr.c (store_expr): Don't optimize away load-store pair
8039 when either source or destination have a side effect.
8041 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8043 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8044 operands of SET are incompatible.
8046 * alpha.md: Fix max and min patterns so modes of SET operands match.
8048 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8050 * configure.in: Avoid [[ by using test and changequote.
8051 * configure: Rebuild.
8053 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8055 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8057 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8058 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8059 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8060 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8061 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8062 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8063 Fix mismatching modes in SET operands.
8064 (conditional move patterns): Fix formatting.
8065 (unnamed subx arch64 pattern): Remove duplicate insn.
8067 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8069 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8070 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8071 (input_operand): Fixup test for what we accept for constant
8073 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8075 (safe_constDI): Remove.
8076 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8077 gen_safe_XOR64): New functions.
8078 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8079 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8081 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8082 available when HOST_BITS_PER_WIDE_INT is not 64.
8083 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8084 move before movdi_insn_sp64 pattern.
8085 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8086 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8087 symbolic_operand as predicate for second operand.
8088 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8089 expander): Give set VOIDmode.
8091 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8093 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8095 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8097 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8099 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8101 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8103 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8105 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8107 * install.texi: Various SCO OpenServer tweaks.
8109 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8111 * reload1.c (eliminate_regs_in_insn): Handle another case when
8112 eliminating the frame pointer to the hard frame pointer. Add
8113 missing ep->to_rtx check to one existing case.
8115 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8117 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8119 * tree.h: De-conditionalize init_priority code.
8121 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8122 * collect2.c (NM_FLAGS): Change from -p to -n.
8124 * configure.in: Turn on collect2 for mipstx39-elf.
8125 Handle use_collect2=no properly.
8127 * c-common.c: De-conditionalize init_priority code.
8128 * collect2.c (extract_init_priority, sort_ids): New fns.
8129 (main): Call sort_ids.
8130 Move sequence_number to file scope.
8132 * configure.in: Handle --enable-init-priority.
8133 * c-common.c (attrs): Add A_INIT_PRIORITY.
8134 (init_attributes, decl_attributes): Likewise.
8135 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8136 * tree.c (get_file_function_name_long): Split out...
8137 (get_file_function_name): ...from here.
8139 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8141 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8144 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8146 * toplev.c (display_help): Add braces to shut up warnings.
8147 * tree.c (simple_cst_equal): Likewise.
8149 * fold-const.c (non_lvalue): Don't deal with null pointer
8151 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8153 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8154 of any size to a pointer.
8156 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8158 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8160 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8162 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8163 which will be saved.
8164 * mn10300.md (prologue insn): Only save registers which need saving.
8165 (epilogue insn): Similarly.
8167 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8170 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8172 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8173 VAR_DECL's in gp addressable sections.
8175 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8177 * sparc.c: Change return <exp> to <exp>; return; in functions
8179 * sparc.md: Add empty semicolon statement after final label in
8182 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8184 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8185 addx_extend_sp64, only allow when TARGET_ARCH64.
8186 (define_insn addx_extend_sp32 and split): Version that works when
8188 (define_insn subx_extend): Likewise.
8189 (define_split adddi3 and subdi3 with zero extension): Fixup and
8190 correct bugs when not TARGET_ARCH64.
8192 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8194 * except.c (set_exception_lang_code, set_exception_version_code):
8195 Use prototype-style definition if __STDC__, to match declaration
8198 * genemit.c: Change FAIL and DONE macros not to use loops.
8200 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8202 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8203 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8205 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8207 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8209 * README.g77: Update from Craig.
8211 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8213 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8215 (safe_constDI sparc_emit_set_const64_quick1,
8216 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8217 analyze_64bit_constant, const64_is_2insns,
8218 create_simple_focus_bits): Fix some bugs when compiled on real
8220 (function_arg_record_value_3, function_arg_record_value_2,
8221 function_arg_record_value): Add fully prototyped forward decls.
8222 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8223 to cmpsi_insn and use on both 64 and 32 bit targets.
8224 (define_insn cmpsi_insn_sp64): Remove.
8225 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8226 (define_insn zero_extendsidi2_insn): Rename to
8227 zero_extendsidi2_insn_sp64.
8228 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8229 assosciated forced split for it.
8231 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8233 * config/sparc/sparc.h: Declare them.
8234 (PREDICATE_CODES): Add them.
8235 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8236 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8238 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8240 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8241 in v9 case as the latter makes the Solaris assembler crash.
8243 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8245 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8246 for TFmode when !v9. We require offsettable memory addresses.
8247 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8248 DFmode register number conversions.
8249 * config/sparc/sparc.md (define_split DFmode moves): If register
8250 is a SUBREG do alter_subreg on it before using.
8251 (define_expand movtf): Fixup comment about alignment on v9.
8252 (define_split TFmode moves): Don't use gen_{high,low}part, create
8253 explicit SUBREGs instead.
8255 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8257 * Makefile.in (mbchar.o): Depend on mbchar.c.
8259 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8260 Richard Henderson <rth@cygnus.com>
8262 Rewrite Sparc backend for better code generation and
8263 improved sparc64 support.
8264 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8266 * config/sparc/sysv4.h: Likewise.
8267 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8268 move_operand, v8plus_regcmp_op, emit_move_sequence,
8269 singlemove_string, doublemove_string, mem_aligned_8,
8270 output_move_double, output_move_quad, output_fp_move_double,
8271 move_quad_direction, output_fp_move_quad, output_scc_insn):
8273 (small_int_or_double): New predicate.
8274 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8275 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8276 old pic_{sethi,lo_sum}_si patterns.
8277 (mem_min_alignment): New generic function to replace
8278 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8279 available and can test for arbitrary alignments. All callers
8281 (save_regs, restore_regs, build_big_number,
8282 output_function_prologue, output_cbranch, output_return,
8283 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8284 sparc_flat_output_function_epilogue): Prettify
8286 (output_function_epilogue): Likewise and add code to output
8287 deferred case vectors.
8288 (output_v9branch): Likewise, add new arg INSN and use it to tack
8289 on branch prediction settings. All callers changed.
8290 (print_operand): Likewise and output %l44 for LO_SUMs when
8292 (sparc_splitdi_legitimate): New function to make sure DImode
8293 splits can be run properly when !arch64.
8294 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8295 Reformat example code in comments.
8296 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8297 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8298 of deferred case vectors we need to output.
8299 (sparc_defer_case_vector): Record a case vector.
8300 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8301 sparc_output_deferred_case_vectors): New functions to output them.
8302 (sparc_emit_set_const32): New function to form 32-bit constants in
8303 registers when that requires more than one instruction.
8304 (safe_constDI, sparc_emit_set_const64_quick1,
8305 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8306 analyze_64bit_constant, const64_is_2insns,
8307 create_simple_focus_bits, sparc_emit_set_const64): New functions
8308 which do the same for 64-bit constants when arch64.
8309 (sparc_emit_set_symbolic_const64): New function to emit address
8310 loading for all code models on v9.
8311 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8312 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8313 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8314 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8315 inaccuracies in comments, add symbolic and text_segment operands
8316 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8317 GENERAL_REGS in these cases as a temp REG is needed to load these
8318 addresses into a register properly.
8319 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8321 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8322 quads are guarenteed to have 16-byte alignment.
8323 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8324 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8325 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8326 deferred case vector implementation.
8327 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8328 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8329 Generate "internal label - label" instead of "label - 1b".
8330 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8331 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8332 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8334 (doublemove_string, output_block_move, output_fp_move_double,
8335 output_fp_move_quad, output_move_double, output_move_quad,
8336 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8337 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8338 (sparc_emit_set_const32, sparc_emit_set_const64,
8339 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8340 mem_min_alignment, small_int_or_double): Add externs.
8341 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8342 UNSPEC_VOLATILE in this backend.
8343 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8344 unary to types which execute in it.
8345 (define_function_unit ieu_shift): Rename to ieu0.
8346 (define_function_unit ieu1): New, executes compare, call, and
8347 uncond_branch type insns.
8348 (define_function_units for type fdivs, fdivd, fsqrt): These
8349 execute in the fpu multiply unit not the adder on UltraSparc.
8350 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8351 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8352 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8353 allows the arith_double_operand predicate and rHI constraint when
8355 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8356 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8357 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8358 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8359 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8360 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8361 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8362 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8363 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8364 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8365 sign_extendqihi2_insn, sign_extendqisi2_insn,
8366 sign_extendqidi2_insn, sign_extendhidi2_insn,
8367 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8368 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8369 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8370 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8371 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8372 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8373 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8374 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8375 smulsi3_highpart_v8plus, unnamed subreg mult,
8376 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8377 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8378 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8379 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8380 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8381 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8382 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8383 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8384 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8385 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8386 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8387 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8388 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8389 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8390 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8391 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8392 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8393 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8394 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8395 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8396 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8397 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8398 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8399 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8400 call_address_untyped_struct_value_sp32,
8401 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8402 call_value_symbolic_sp32, call_value_address_sp64,
8403 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8404 flush_register_windows, goto_handler_and_restore,
8405 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8406 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8407 return_addsi, return_di, return_adddi, return_sf, all call+jump
8408 peepholes, trap, unnamed trap insns): Prettify output strings.
8409 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8410 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8411 Likewise and force + implement splits for integer cases.
8412 (define_insn return_sf_no_fpu): Likewise and allow to match when
8413 no-fpu because of our subreg SFmode splits.
8414 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8415 zero_extendqidi2_insn, zero_extendhidi2_insn,
8416 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8417 input_operand for second operand.
8418 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8419 reg_or_0_operand for operand 2 so new splits can use it.
8420 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8421 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8423 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8424 CONST_DOUBLEs for operand 2.
8425 (define_insn move_label_di): Likewise and label distance
8426 optimization because it no longer works with new deferred case
8427 vector scheme. To be revisited.
8428 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8429 and allow reg_or_0_operand and J constraint for second operand.
8430 (define_insn jump): Set branch predict taken on V9.
8431 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8432 new deferred case vector scheme.
8433 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8434 (define_insn negdi2_sp32): Force + implement splits.
8435 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8436 one_cmplsi2_not_liveg0 respectively, and create expander of original
8437 names which emit special rtl for TARGET_LIVE_G0.
8438 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8439 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8440 gen_compare_reg, FAIL instead.
8441 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8442 values when trying to reverse condition codes, if they FAIL then
8444 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8445 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8446 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8447 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8448 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8449 set output string to # to indicate they are mandatory splits.
8450 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8451 pic_sethi_di, move_pic_label_si): Remove.
8452 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8453 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8455 (define_expand movsi_pic_label_ref, define_insn
8456 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8457 expander and insns to handle PIC label references and deferred
8459 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8461 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8462 Rewrite to not use emit_move_sequence, make use of new constant
8463 formation code, and new splits for all multi-insn cases.
8464 (define_insn movqi_insn): Remove sethi case, it can never happen.
8465 Use reg_or_zero_operand instead of const0_rtx explicit test,
8466 use input_operand instead of move_operand for source, and use
8467 general_operand now for dest.
8468 (define_insn movhi_insn): Similar but leave sethi case.
8469 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8470 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8471 movhi_lo_sum respectively, prettify output string.
8472 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8473 register when needed on TARGET_LIVE_G0.
8474 (define_insn movsi_insn): Use general_operand and input_operand
8475 for dest and src respectively. Simplify applicability test.
8476 Prettify output strings, and add clr alternative for J
8478 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8479 deprecated std and reg-reg DI moves): Remove and...
8480 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8481 implementation which uses forced splits for all non-single insn
8483 (define_split DI move cases on !arch64): New splits to handle all
8484 situations of 64-bit double register DImode on 32bit, and
8485 unaligned registers and memory addresses for all subtargets.
8486 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8488 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8489 input_operand for dest and src respectively, prettify output
8491 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8492 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8494 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8495 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8496 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8497 movtf_no_e_insn_sp64) Replace with new
8498 implementation which uses forced splits for all non-single insn
8500 (define_split DF move cases): New splits in similar vein to DI
8502 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8503 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8504 movdi_sp64_insn): Remove old v9 code model and constant loading
8506 (define_insn pic_lo_sum_di, pic_sethi_di,
8507 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8508 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8509 embmedany_sethi, embmedany_losum, embmedany_brsum,
8510 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8511 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8512 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8513 scheme, using unspecs, secondary reloads, and one to one sparc
8514 insn to rtl insn mapping for better scheduling and code gen.
8515 (define_expand reload_indi, reload_outdi): Reload helpers for
8516 MEDANY and EMBMEDANY symbol address loading cases which require a
8518 (define_expand movsicc): Remove v8plus_regcmp cases.
8519 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8520 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8521 cmp_diqi_trunc_set): New patterns used by some of the new scc
8523 (define_insn xordi3_sp64_dbl): New pattern used for constant
8524 formation when crossing from 32-bit targets.
8525 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8527 (define_insn addx, subx): Make visible and prettify.
8528 (define_insn adddi3_insn_sp32): Likewise and force split.
8529 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8530 64bit scc split usage.
8531 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8532 zero_extend, subdi3): Force and implement splits.
8534 * final.c (final_scan_insn): Don't output labels if target
8535 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8538 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8539 don't forget to walk inside SEQUENCESs too as these are what the
8540 delay slot scheduler will create.
8542 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8544 * alpha.md (extxl+1,+2): New patterns to work around
8547 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8549 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8550 caused bad assembly code to be generated.
8552 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8554 * netbsd.h: Fix typo.
8556 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8558 * config.sub: Fix typo.
8560 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8562 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8564 (Running Protoize): Typo: Change "ther" into "other".
8566 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8568 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8569 * m68k/netbsd.h: Likewise.
8570 * ns32k/netbsd.h: Likewise.
8571 * sparc/netbsd.h: Likewise.
8573 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8575 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8576 * ginclude/va-clipper.h (va_list): Likewise.
8578 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8580 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8581 load/store multiple instructions unless user overrides.
8583 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8585 * ns32k/netbsd.h: Fix typo.
8587 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8589 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8590 labels with .debugsym if no parallel insns.
8592 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8594 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8595 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8597 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8599 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8600 (AR_FOR_TARGET): Define.
8602 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8604 * dyn-string.h: New file.
8605 * dyn-string.c: Likewise.
8606 * Makefile.in (OBJS): Add dyn-string.o.
8607 (dwarf2out.o): Add dyn-string.h dependency.
8608 (dyn-string.o): List dependencies.
8609 * dwarf2out.c: Include dyn-string.h.
8610 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8611 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8612 prototype. Use dyn_string_append rather than strcat, throughout.
8613 (addr_to_string): Use dyn_string_t.
8615 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8617 Function entry/exit profiling instrumentation:
8618 * expr.h (profile_function_entry_libfunc,
8619 profile_function_exit_libfunc): Declare new variables.
8620 * optabs.c: Define them here.
8621 (init_optabs): Initialize them.
8622 * tree.h (struct tree_decl): New flag
8623 no_instrument_function_entry_exit.
8624 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8625 * c-decl.c (duplicate_decls): Merge it.
8626 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8627 (init_attributes): Use it for "no_instrument_function".
8628 (decl_attributes): Handle it, for functions that have not yet been
8629 compiled. Set decl flag.
8630 * flags.h (flag_instrument_function_entry_exit): Declare new
8632 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8633 (f_options): New option "instrument-functions".
8634 * function.h (struct function): New field instrument_entry_exit.
8635 * function.c (current_function_instrument_entry_exit): New
8637 (push_function_context_to, pop_function_context_from): Save and
8639 (expand_function_start): Set current_ variable, maybe emit return
8640 label and entry profile call.
8641 (expand_function_end): Maybe emit exit profile call.
8643 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8645 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8646 NON_QI_REG_P, pretend the register is SImode.
8648 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8650 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8651 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8652 manufacturer id for ns32k.
8653 * configure: Regenerated.
8654 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8655 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8656 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8657 * config/m68k/netbsd.h: Same.
8658 * config/ns32k/netbsd.h: Same.
8659 * config/sparc/netbsd.h: Same.
8661 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8663 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8664 or UNROLL_COMPLETELY loop that starts with a jump to its
8667 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8669 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8670 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8671 (print_operand, case 'B'): Don't fall through.
8672 (print_operand, case 'S'): Correct mask begin/end computation.
8673 Use HOST_BITS_PER_WIDE_INT.
8674 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8675 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8676 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8677 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8679 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8681 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8682 constraint from second alternative.
8684 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8686 * configure.in: Fix --without/--disable cases for local-prefix,
8687 gxx-include-dir and checking.
8689 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8691 * configure.in (enable_haifa): Set by default for sparc64 too.
8694 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8696 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8697 * i386/winnt.c (associated_type): New fn.
8698 (i386_pe_valid_type_attribute_p): New fn.
8699 (i386_pe_check_vtable_importexport): Remove.
8700 (i386_pe_dllexport_p): Use associated_type.
8701 (i386_pe_dllimport_p): Likewise.
8703 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8704 * i386.c (i386_valid_type_attribute_p): Also accept
8705 attributes for METHOD_TYPEs.
8707 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8709 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8711 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8713 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8715 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8716 them from generating a new base name for each occurence of
8719 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8721 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8723 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8727 * cplus-dem.c (type_kind_t): New type.
8728 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8729 on this paramter, rather than demangling the type again.
8730 (demangle_integral_value): Pass tk_integral.
8731 (demangle_template_: Pass the value returned from do_type.
8732 (do_type): Return a type_kind_t. Pass tk_integral to
8733 demangle_template_value_parm for array bounds.
8734 (demangle_fund_type): Likewise.
8736 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8738 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8741 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8743 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8745 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8747 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8749 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8752 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8754 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8755 (DEBUGGER_ARG_OFFSET): Likewise.
8757 * mn10300.md (movsf): Remove last change. Not needed.
8759 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8761 * c-lex.c (yylex): Fix boundary conditions in character literal and
8762 string literal loops.
8764 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8766 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8767 being invoked incorrectly.
8769 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8770 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8772 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8773 * configure.in: Added i[34567]86-*-win32
8774 * config.sub: Ditto.
8775 * configure: Rebuilt.
8777 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8779 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8780 the frame pointer and compiling PIC code and reload has not completed.
8782 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8785 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8787 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8789 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8791 * Makefile.in (install-info): Only try to update the info
8792 directory file if it exists in the first place.
8794 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8796 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8798 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8800 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8801 CONST_DOUBLE source.
8803 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8805 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8806 strings as the insertion of USER_LABEL_PREFIX.
8807 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8809 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8812 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8814 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8815 already defined type.
8817 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8819 * expr.c (check_max_integer_computation_mode): Allow conversions
8820 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8821 (expand_expr): Likewise.
8823 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8825 * expr.c (expand_expr): Expand RETURN_EXPR.
8827 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8829 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8831 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8833 * dwarf2out.c (output_aranges): Call stripattributes
8834 for TEXT_SECTION references.
8835 (output_line_info): Likewise.
8837 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8839 * profile.c (branch_prob): Call allocate_reg_info after outputting
8840 profile rtl in instrument_arcs.
8842 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8844 * fixinc.irix (math.h): Install wrapper instead of copying.
8846 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8848 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8849 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8850 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8851 lang_flag_0. Added documentation in the flag table.
8853 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8855 * cccp.c (do_include): Fix vax c style include handling.
8857 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8859 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8861 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8863 * fold-const.c (non_lvalue): Don't deal with null pointer
8865 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8867 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8869 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8870 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8871 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8872 (u_short_cint_operand): Same.
8873 (reg_or_cint_operand): Same.
8874 (logical_operand): Same.
8875 (input_operand): Same.
8876 (reg_or_short_operand): Use u_short_cint_operand.
8878 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8880 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8881 but keep the insns and splits. Adjust so when the ultimate destination
8882 is memory, use cvtql.
8884 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8886 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8888 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8890 * gcc.c (do_spec): Call "error" not "warning".
8892 * configure.in: Fix minor problems with gas feature detection code.
8893 * configure: Rebuilt.
8895 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8898 * gcc.c: Delete %[spec] support.
8899 (do_spec_1, case '('): Likewise.
8900 (do_spec_1, case '['): Call error.
8902 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8904 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8905 (CPP_SUBTARGET_SPEC): Default to empty string.
8906 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8907 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8908 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8909 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8911 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8912 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8913 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8914 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8915 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8916 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8917 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8918 * alpha/vxworks.h: Likewise.
8920 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8922 * mips.md (reload_outsi): Added missing REGNO call.
8923 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8925 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8926 another match_operator and compare the codes.
8928 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8930 * MIPS multiply pattern fixes:
8931 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8932 Add union classes for HI, LO, or HILO plus general registers.
8933 (GENERATE_MADD): Deleted.
8934 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8935 Add TARGET_MAD to condition.
8936 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8937 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8938 "*d" for accumulator, to give preference to LO initially but not
8941 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8943 * configure.in (enable_c_mbchar): New configure option.
8944 (extra_cpp_objs): Always available now.
8946 * cexp.y (mbchar.h): #include it.
8947 (yylex): Handle Multibyte characters in character literals.
8949 * cccp.c (mbchar.h): #include it.
8950 (main): Set character set based on LANG environment variable.
8951 (rescan): Handle multibyte characters in comments.
8952 (skip_if_group): See above.
8953 (validate_else): See above.
8954 (skip_to_end_of_comment): See above.
8955 (macarg1): See above.
8956 (discard_comments): See above.
8957 (rescan): Handle multibyte characters in string and character literals.
8958 (collect_expansion): See above.
8959 (skip_quoted_string): See above.
8960 (macroexpand): See above.
8961 (macarg1): See above.
8962 (discard_comments): See above.
8963 (change_newlines): See above.
8965 * c-lex.c (mbchar.h): #include it.
8966 (GET_ENVIRONMENT): New macro.
8967 (init_lex): Set character set based on LANG environment variable.
8968 (yylex): Handle multibyte characters in character literals.
8969 (yylex): Handle multibyte characters in string literals.
8971 * Makefile.in (mbchar.o): New target.
8972 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8973 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8975 * mbchar.[ch]: New files for multibyte character handling.
8977 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8979 * jump.c (jump_optimize): When simplifying noop moves and
8980 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8981 the PUSHes to rewrite in second loop as we did in the first.
8983 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8985 * cplus-dem.c (demangle_nested_args): Make function definition
8986 static to match the prototype.
8988 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8990 * alloca.c: Respect USE_C_ALLOCA.
8991 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8992 * gengenrtl.c (xmalloc): Likewise.
8994 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8996 * loop.h (struct induction): Add no_const_addval.
8997 * loop.c (the_movables, reg_address_cost): New variables.
8998 (init_loop): Init reg_address_cost.
8999 (loop_optimize): Call end_alias_analysis.
9000 (scan_loop): Init the_movables.
9001 (record_giv): Init induction->no_const_addval.
9002 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9003 [REG]: Rearrange loop search test to catch more cases.
9004 (general_induction_var): Return success not benefit; take an extra
9005 argument for that. Change all callers.
9006 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9007 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9008 [default]: Search the_movables for additional combinations.
9009 (sge_plus_constant, sge_plus): New functions.
9010 (express_from_1): New function.
9011 (express_from): Always define. Rewrite using express_from_1.
9012 (combine_givs_p): Handle more cases. Ignore address cost.
9013 (cmp_combine_givs_stats): New function.
9014 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9015 (combine_givs): Rewrite to do best-fit combination.
9017 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9018 (fold): Do a complete (A*C)+(B*C) association check.
9020 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9022 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9024 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9026 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9028 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9030 * tree.c (valid_machine_attribute): Only create a new type variant if
9031 there is a decl to use it.
9033 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9035 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9038 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9040 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9043 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9045 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9046 Simplify tests for clearing an address register.
9047 (expand_prologue): Corresponding changes.
9049 * mn10300.md (movXX patterns): Make sure the destination is an
9050 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9051 (logical patterns): Split into expanders + patterns
9052 (zero and sign extension patterns): Similarly.
9053 (shift patterns): Similarly.
9055 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9057 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9058 for the sequence, recording base values.
9060 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9062 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9064 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9066 * gcc.c: Remove ANSI-C ism from --help code.
9068 * toplev.c: Support --help with USE_CPPLIB.
9070 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9072 * configure.in: Rework gas feature code to work with symlink based
9075 * extend.texi: Clarify some issues related to local variables
9076 assigned to explicit registers.
9078 * mn10300.md (mulsi): Turn into expander + pattern.
9080 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9083 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9085 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9087 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9089 * version.c: Bump again to distinguish mainline tree from the
9092 See ChangeLog.0 for earlier changes.
9095 add-log-time-format: current-time-string