1 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
5 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
6 generating non-canonical rtl.
8 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
10 * config/i960/i960.c (i960_output_move_double_zero,
11 i960_output_move_quad_zero): New functions for moving zeros.
12 (i960_output_move_double, i960_output_move_quad): Additional code
13 for situation when moving unaligned register group.
15 * config/i960/i960.h (i960_output_move_double_zero,
16 i960_output_move_quad_zero): The function definitions.
18 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
20 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
22 * config/i960/i960.c (i960_function_prologue): New code (optimal
23 solution) for saving global registers in local registers.
24 (form_reg_groups, reg_group_compare, split_reg_group): New
25 functions used by the code.
26 (reg_group): New structure definition for the new code.
28 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
30 * integrate.c (expand_inline_function): Recognize (mem (addressof))
31 and substitute. Copy the return value from there into a new pseudo.
33 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
35 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
36 before generating a call to abort for volatile functions.
37 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
38 (TARGET_ABORT_NORETURN): Define.
39 (abort-on-noreturn): New option.
41 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
43 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
44 and binarycc operations in 3rd annulled delay slot!
46 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
48 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
49 ensure all prototypes necessary for building libio will be available.
50 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
51 definitions here as they are not host specific.
52 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
54 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
56 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
58 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
60 * version.c: Bump for snapshot.
62 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
64 * rtl.c (rtx_alloc): Use memset instead of inline loop.
66 * recog.h (recog_op_alt): Declare extern.
68 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
70 * function.c (purge_addressof_1): If the note accesses a mem+addressof
71 in a wider mode than any replacement, adjust the cached replacement.
72 Cache trivial substitutions as well.
74 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
76 * Makefile.in (OBJECTS): Add sbitmap.o.
77 (BASIC_BLOCK_H): Add sbitmap.h.
78 * basic-block.h: Move simple bitmap code to sbitmap.h.
79 * flow.c: Move simple bitmap code to sbitmap.c
80 * sbitmap.h, sbitmap.c: New files.
82 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
84 * alpha.h (TARGET_SWITCHES): Document switches.
85 (TARGET_OPTIONS): Likewise.
87 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
89 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
91 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
93 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
95 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
96 (basic_block_end): Rename to x_basic_block_end.
97 (BLOCK_HEAD, BLOCK_END): Update.
99 * caller-save.c: Change basic_block_head/end references to
101 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
102 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
103 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
105 Thu Jan 11 18:37:50 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
107 * invoke.texi (-mcpu=740, -mcpu=750): New options.
108 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
111 1999-01-11 Michael Meissner <meissner@cygnus.com>
113 * config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all
114 machines supported with -mcpu=xxx.
115 (processor_type): Add PROCESSOR_PPC750.
116 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
117 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
118 (rs6000_adjust_priority): Add declaration.
120 * config/rs6000/rs6000.c (rs6000_override_options):
121 -mcpu={750,740} now sets the processor type as 750, not 603.
122 Allow -mmultiple and -mstring on little endian 750 systems.
123 (rs6000_adjust_priority): Stub for now.
124 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
126 * config/rs6000/rs6000.md (function/cpu attributes): Add initial
129 * config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict
130 alignment if little endian.
131 (CC1_SPEC): Pass -mstrict-align if little endian, and not
133 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
134 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
136 * config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC):
137 Override, default is little endian.
139 * config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris
142 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
144 * gcc.c (xstrerror): Renamed from my_strerror. All callers
145 changed. Remove prototype since we get that from libiberty.h.
147 * protoize.c (xstrerror): Likewise.
149 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * gcc.c (read_specs): Ensure format specifiers match their arguments.
153 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
155 * tree.c (copy_node): Oops. That would be copy not zero
158 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
160 * config/c4x/c4x.c: Include system.h.
161 (c4x_caller_save_map): Disable caller save for RC.
162 (c4x_optimization_options): Disable scheduling before reload.
163 (valid_parallel_load_store) : Define return type as int.
164 Remove unused variable regs.
165 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
167 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
169 (*db, decrement_and_branch_until_zero): Fix up constraints
170 to keep reload happy.
172 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
174 * tree.c (make_node): Call bzero instead of inline clear.
175 (copy_node, make_tree_vec, build1): Likewise.
176 (get_identifier): Call strlen instead of inline count.
177 (maybe_get_identifier): Likewise.
179 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
181 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
182 operations in 3rd annulled delay slot.
183 (*lshrqi3_const_set): Disallow c constraint for operand0.
184 (modhi3+1, modhi3+2): Set attribute type to multi.
185 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
188 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
190 * gansidecl.h: Allow attribute unused on labels only when we are
191 version 2.93 or higher. Not all versions of 2.92 have this feature.
193 * version.c: Bump minor number to 93.
195 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
197 * config/m68k/m68k.h: Declare output_function_epilogue.
198 * recog.h: Declare next_insn_tests_no_inequality.
200 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
202 * stmt.c (optimize_tail_recursion): New function, extracted from ...
203 (expand_return): Use optimize_tail_recursion.
204 * tree.h (optimize_tail_recursion): Declare.
206 * toplev.c (compile_file): Move call to output_func_start_profiler
207 to after the loop to emit deferred functions.
209 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
211 * system.h (abort): Supply more detailed information on how to
212 report an Internal Compiler Error.
214 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
216 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
217 allocate memory that will live beyond this function.
218 (expand_call): Free it here.
220 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
222 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
223 integer data not destined for fp regs.
224 (LEGITIMIZE_RELOAD_ADDRESS): New.
226 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
227 Richard Henderson <rth@cygnus.com>
229 Support for Hypersparc and Sparclite86x:
230 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
231 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
232 (ASM_CPU32_DEFAULT_SPEC): Likewise.
233 (TARGET_CPU_DEFAULT): Likewise.
234 (enum processor_type): Likewise.
235 (CPP_ENDIAN_SPEC): Handle little endian data.
236 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
237 (ADJUST_COST): Call sparc_adjust_cost.
238 * sparc.c (sparc_override_options): Fix up for the new targets.
239 (supersparc_adjust_cost): Make static.
240 (hypersparc_adjust_cost): New.
241 (ultrasparc_adjust_cost): Make static.
242 (sparc_adjust_cost): New.
243 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
244 (function_unit): Add hypersparc scheduling rules.
246 * configure.in (with_cpu handler): Recognize hypersparc.
248 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
250 * config/c4x/c4x.c: Added space after negation operator.
251 * config/c4x/c4x.h: Likewise.
252 * config/c4x/c4x.md: Likewise.
254 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
256 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
258 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
260 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
261 when a test can't be performed due to limited width of
262 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
263 Fix UDIV case for cases where the first operand has the highest bit
266 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
268 * pa.h (reg_class): Add FPUPPER_REGS.
269 (REG_CLASS_NAMES): Similarly.
270 (REG_CLASS_CONTENTS): Similarly
271 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
272 (FP_REG_CLASS_P): Likewise.
273 (REG_CLASS_FROM_LETTER): Similarly.
274 (CLASS_MAX_NREGS): Similarly.
276 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
278 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
279 for a typedef of bool. Make sure to have a copy of the file is
280 in place before we look to fix it. Fix typo in variable name to
283 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
285 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
286 value_mode for the return mode.
288 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
290 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
291 debugging as default.
293 * config/tm-dwarf2.h: New file.
295 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
297 * h8300.h (ASM_OUTPUT_LABELREF): Define.
299 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
300 * local-alloc.c (update_equiv_regs): Corresponding changes.
301 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
303 * calls.c (special_function_p): Push alloca test inside the large
304 conditional which excludes functions not at file scope or not
307 * calls.c (special_function_p): New function broken out of
309 (precompute_register_parameters): Likewise.
310 (store_one_arg): Likewise.
311 (store_unaligned_argumetns_into_pseudos): Likewise.
312 (save_fixed_argument_area): Likewise.
313 (restore_fixed_argument_area): Likewise.
314 (expand_call): Corresponding changes.
316 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
318 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
320 (const_sint32_operand): Likewise.
322 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
325 is a macro when deciding if we can use `jmp_buf' in prototypes.
327 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
329 * config/c4x/c4x.md (addqi3): If the destination operand is
330 a hard register other than an extended precision register,
331 emit addqi3_noclobber.
332 (*addqi3_noclobber_reload): New pattern added so that reload
333 will recognise a store of a pseudo, equivalent to the sum
334 of the frame pointer and a constant, as an add insn.
336 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
338 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
339 * configure: Rebuilt.
340 * i386/xm-go32.h: Define LIBSTDCXX.
342 * i386/go32.h (MD_EXEC_PREFIX): Define.
343 (FILE_NAME_ABSOLUTE_P): Define.
344 (LINK_COMMAND_SPEC): Define.
346 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
348 * expr.c (store_expr): If the lhs is a memory location pointed
349 to be a postincremented (or postdecremented) pointer, always
350 force the rhs to be evaluated into a pseudo.
352 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
354 * real.c (mtherr): Print more reasonable warning messages.
356 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
360 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
361 (new_include_prefix): Constify char* parameters.
363 * cppfiles.c (read_name_map): Likewise.
364 (append_include_chain): Likewise. Also, use a writable char* copy
365 of parameter `dir' which we then modify, rather than using the
366 parameter itself to store the new writable string.
367 (remap_filename): Constify some variables. Also, use a writable
368 char* to store an allocated string which we will be modifying.
370 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
371 (cpp_start_read): Constify variable `str'.
373 * cpplib.h (append_include_chain): Constify a char* parameter.
375 * gcc.c Include prefix.h, don't prototype prefix.c functions.
376 (add_prefix, save_string): Constify char* parameters.
377 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
379 * prefix.c: Include prefix.h.
380 (get_key_value, translate_name, save_string, update_path,
381 set_std_prefix): Constify various char* parameters and variables.
382 (save_string): Use xmalloc, not malloc.
383 (translate_name): Use a writable temporary variable to create and
384 modify a string before setting it to a const char*.
386 * prefix.h: New file to prototype functions exported from prefix.c.
388 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
390 * cpplib.c (skip_if_group): Split out the logic that handles
391 directive recognition to its own function. Don't use
392 parse markers; use a bare pointer into the buffer. Use
393 copy/skip_rest_of_line instead of doing it by hand. Remove
394 `return on any directive' mode which was never used, and take
396 (consider_directive_while_skipping): New function, subroutine
397 of skip_if_group. Logic streamlined a bit.
398 (conditional_skip, do_elif, do_else): Call skip_if_group with
401 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
403 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
406 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
408 * extend.texi (Bound member functions): Document.
410 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
413 lang_to_string, type_to_string): Make return type const char*.
414 (print_symbol): Apply `const' keyword to a char*.
415 (print_file_desc): Cast structure member `crfd' to ulong when
416 comparing against one.
418 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
419 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
420 (progname, input_name): Apply `const' keyword to a char*.
421 Don't redundantly include sys/stat.h.
422 (alloc_info): Apply `const' keyword to a char*.
423 (st_to_string, sc_to_string): Likewise.
424 (hash_string): Cast variable `hash_string' to a symint_t when
425 comparing against one.
426 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
427 Likewise cast it to long when comparing against one.
428 (add_local_symbol): Apply `const' keyword to a char*.
429 (add_ext_symbol): Likewise.
430 (add_unknown_tag): Likewise.
431 (add_procedure): Cast a printf-style field width to an int.
432 (add_file): Cast PAGE_USIZE to long when comparing against one
433 (parse_begin): Cast a printf-style field width to an int.
434 (parse_bend): Likewise.
435 (parse_def): Likewise.
436 (parse_end): Likewise.
437 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
438 (parse_stabs_common): Fix format specifier.
439 (parse_input): Change type of variable `i' to Size_t.
440 (write_object): Fix arguments to match format specifiers.
441 Cast variable `num_write' to long when comparing against one.
442 (read_seek): Cast variable `sys_read' to symint_t when comparing
443 against one. Fix arguments to match format specifiers. Cast
444 variable `size' to long when comparing against one.
445 (copy_object): Cast result of `sizeof' to int when comparing
446 against one. Fix arguments to match format specifiers. Cast
447 variable `ifd' to long when comparing against a signed value.
450 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
452 * c-common.c (decl_attributes): Allow applying attribute `unused'
455 * c-parse.in (label): Parse attributes after a label, and call
456 `decl_attributes' to handle them.
458 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
460 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
461 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
463 * invoke.texi: Note that labels can be marked `unused'.
465 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
467 * version.c: Bump for snapshot.
469 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
471 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
472 RTL for a compare/jump sequence.
474 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
476 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
477 for a target with HAVE_cc0 defined.
478 (emit_cmp_and_jump_insns): New function.
479 * expr.h (emit_cmp_and_jump_insns): Prototype it.
480 * loop.c (check_dbra_loop): Use it to replace calls
481 to emit_cmp_insn and emit_jump_insn and to canonicalise
482 the comparison if necessary.
483 * unroll.c (unroll_loop): Likewise.
485 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
487 * fixincludes (sys/utsname.h): Provide forward declaration of
488 struct utsname on Ultrix V4.[35].
490 * mips.md (div_trap): Use local labels instead of dot-relative
493 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
495 * pa.md (branch, negated branch): Handle (const_int 0) as first
497 * pa.c (output_cbranch): Likewise.
499 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
501 * rs6000.c (rs6000_stack_info): Undo spurious part of last
504 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
506 * extend.texi (__builtin_constant_p): Add missing @smallexample.
508 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
510 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
512 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
514 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
515 (adddi_dishl32): Similarly.
517 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
518 for each insn in the skipped block.
520 * reload1.c (reload_as_needed): Verify that the insn satisfies its
521 constraints after replacing a register address with an autoincrement
522 address for reload inheritance purposes.
524 * i386.md (doubleword shifts): Avoid namespace pollution.
526 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
528 * configure.in (FreeBSD ELF): Needs special crt files.
530 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
532 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
534 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
536 * loop.c (check_dbra_loop): While reversing the loop, if the
537 comparison value has a VOID mode use the mode of the other operand
540 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
542 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
543 avoid warnings in compiling explow.c.
545 (patch from Ken Raeburn, raeburn@cygnus.com)
546 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
547 fpmem_offset. Compute total size after that, and then
548 rs6000_fpmem_offset using both values.
550 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
552 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
553 the future; indeed that already happens in some cases.
555 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
557 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
558 (arith_operand): Remove constant_p_rtx handling.
559 (const64_operand, const64_high_operand): Likewise.
560 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
561 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
562 (small_int_or_double, uns_small_int, zero_operand): Likewise.
563 * sparc.h (PREDICATE_CODES): Likewise.
565 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
567 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
569 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
570 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
571 consider constant CONSTRUCTOR constant and to defer some cases
573 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
574 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
576 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
578 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
579 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
581 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
582 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
583 (sext_add_operand, and_operand, or_operand): Likewise.
584 (reg_or_cint_operand, some_operand, input_operand): Likewise.
585 * alpha.h (PREDICATE_CODES): Likewise.
587 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
589 * version.c: Bump for snapshot.
591 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
593 * gengenrtl.c (gencode): Always use bzero to clear memory instead
594 of dangerous casts and stores.
596 * Makefile.in (compare, gnucompare): Add missing else true clauses.
598 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
600 * alpha.md (builtin_longjmp): Add missing "DONE".
602 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
604 * gcc.c (execute): Enable -pipe with win32.
606 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
608 * config/arm/t-arm-elf: Add multiplib option for leading
611 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
612 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
614 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
615 than variable 'reload_address_base_reg_class'. [Note this
616 change is unrelated to the others in this patch].
618 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
621 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
623 * alias.c (record_alias_subset): Remove ignored `&'.
624 (init_alias_once): Likewise.
626 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
628 * config/mips/mips.c (mips_asm_file_end): Cast the result of
629 fwrite to `int' when comparing against one.
631 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
632 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
634 * cse.c (rehash_using_reg): Change type of variable `i' to
637 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
640 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
642 * final.c (final_scan_insn): Likewise for variable `i'.
643 (output_asm_insn): Cast a char to unsigned char when used as an
646 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
649 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
651 * recog.c (preprocess_constraints): Cast a char to unsigned char
652 when used as an array index.
654 * regmove.c (find_matches): Likewise.
656 * reload1.c (calculate_needs): Add default case in switch.
657 (eliminate_regs_in_insn): Initialize variable `offset'.
658 (set_offsets_for_label): Change type of variable `i' to unsigned.
659 (reload_as_needed): Wrap variable `i' in macro check on
660 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
662 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
663 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
664 when comparing against one.
666 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
667 unsigned when comparing against one. Likewise for
668 GET_MODE_ALIGNMENT().
669 (layout_record): Cast record_align to int when comparing against a
671 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
674 * tree.c (get_identifier): Cast variable `len' to unsigned when
675 comparing against one.
676 (maybe_get_identifier): Likewise
678 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
680 * toplev.c (rest_of_compilation): Do not set reload_completed.
681 * reload1.c (reload): Set reload_completed before calling
682 cleanup_subreg_operands.
684 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
686 * reload1.c (emit_reload_insns): Check `set' not null before use.
688 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
690 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
693 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
695 * halfpic.c (half_pic_encode): Delete redundant code.
697 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
699 * toplev.c (main): Delete handling of -dM as a preprocessor
702 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
704 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
705 -dI, which are handled by the preprocessor.
707 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
709 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
710 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
712 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
714 * version.c: Bump for snapshot.
716 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
718 * version.c: Bump for snapshot.
720 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
722 * version.c: Bump for snapshot.
724 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
726 * genattr.c (fatal): Qualify a char* with the `const' keyword.
728 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
729 write_unit_name, write_eligible_delay, expand_units,
730 make_length_attrs, write_attr_case, find_attr,
731 make_internal_attr): Likewise.
732 * gencheck.c (tree_codes): Likewise.
733 * gencodes.c (fatal): Likewise.
734 * genconfig.c (fatal): Likewise.
735 * genemit.c (fatal): Likewise.
736 * genextract.c (fatal, walk_rtx, copystr): Likewise.
737 * genflags.c (fatal): Likewise.
738 * genopinit.c (fatal, optabs, gen_insn): Likewise.
739 * genoutput.c (fatal, error, predicates): Likewise.
740 * genpeep.c (fatal): Likewise.
741 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
742 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
744 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
746 * configure.in (with-fast-fixincludes): Fix whitespace.
747 * configure: Rebuilt.
749 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
750 asm() etc. function declarations in __DECC.
752 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
754 * expr.c (emit_move_insn_1): Only emit a clobber if the target
755 is a pseudo register.
757 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
759 * gcse.c: Include expr.h in order to get the prototype for
760 get_condition() which is used in delete_null_pointer_checks().
762 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
764 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
766 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
768 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
769 (ALL_CFLAGS): Delete SCHED_CFLAGS.
771 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
773 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
776 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
778 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
779 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
780 optimizations from the combiner.
782 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
784 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
786 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
788 * toplev.c (main): Disable optimize_size if a specific
789 optimization level is requested. Always set optimization
790 level to 2 if -Os is specified.
792 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
794 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
796 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
797 initialize it using fname.
799 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
801 * cpplib.c (do_include): Treat #include_next in the
802 primary source file as #include plus warning. Treat
803 #include_next in a file included by absolute path as an
804 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
806 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * cccp.c: Don't define MIN/MAX anymore.
809 * cpplib.c: Likewise.
810 * machmode.h: Likewise.
811 * system.h: Provide definitions for MIN/MAX.
813 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
815 * fix-header.c: Don't define xstrdup here.
817 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
819 * loop.c (consec_sets_giv): New argument last_consec_insn.
820 (strength_reduce): Provide / use it.
822 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
824 * loop.h (loop_info): New field 'vtop'.
825 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
826 scanning loop for vtop.
827 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
828 (loop_iterations): Use them to determine if loop has a constant
829 number of iterations. Set loop_info->vtop. Don't subtract
830 common reg term from initial_value and final_value if have a
833 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
835 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
837 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
839 * mn10200.md (abssf2, negsf2): New expanders.
841 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
843 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
845 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
846 replaced by a CONCAT whoes components do not have the same
847 mode as the original SUBREG, use a new SUBREG to restore the
850 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
851 multiword complex values.
853 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
855 * cppalloc.c: Add xstrdup here.
856 * cpplib.h: Remove savestring prototype.
857 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
859 * cppfiles.c: s/savestring/xstrdup/ throughout.
861 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
863 * cpplib.c: Make all directive handlers read their own
865 (struct directive): Remove last two arguments from FUNC
866 member prototype. Remove `command_reads_line' member
868 (directive_table): Remove initializations of
869 command_reads_line flag. Pretty-print.
870 (eval_if_expression, do_define, do_line, do_include,
871 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
872 do_else, do_elif, do_sccs, do_assert, do_unassert,
873 do_warning): Take only two args.
875 (cpp_define): Call do_define with two args and the text to
876 define stuffed into a buffer.
877 (make_assertion): Call do_assert with two args.
878 (handle_directive): Call do_line with two args. Call
879 kt->func with two args. Remove command_reads_line
881 (do_define, do_undef, do_error, do_warning, do_pragma,
882 do_sccs): Read the rest of the line here.
883 (do_ident): Gobble rest of line, as cccp does.
884 (cpp_undef): New function.
885 (cpp_start_read): Call cpp_undef instead of do_undef.
887 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
889 * cpphash.h (union hash_value): Remove `keydef' member, add a
890 `struct hashnode *aschain' member for #assert.
892 * cpplib.c (struct tokenlist_list, struct
893 assertion_hashnode): Delete structure definitions.
894 (assertion_install, assertion_lookup, delete_assertion,
895 check_assertion, compare_token_lists, reverse_token_list,
896 read_token_list, free_token_list): Delete functions.
897 (parse_assertion): New function.
898 (cpp_cleanup): Don't destroy the assertion_hashtable.
900 (do_assert): Gut and rewrite. #assert foo (bar) places
901 entries for `#foo' and `#foo(bar)' in the macro hash table,
902 type T_ASSERT. The value union's `aschain' member is used
903 to chain all answers for a given predicate together.
904 (do_unassert): Also rewritten. Take an un-asserted
905 answer off the chain from its predicate and call
906 delete_macro on the hashnode, or walk a predicate chain
907 calling delete_macro on all the entries.
908 (cpp_read_check_assertion): Simply call parse_assertion to
909 get the canonical assertion name, and look that up in the
912 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
915 * cpphash.c (install): Use bcopy instead of an explicit loop
916 to copy the macro name.
918 * cppexp.c (cpp_lex): Convert the result of
919 cpp_read_check_assertion to a `struct operation' directly;
920 don't go through parse_number.
922 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
924 * loop.h (struct induction): Delete times_used member.
925 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
926 (n_times_used): Rename to n_times_set. Changed all users.
927 (scan_loop): Free reg_single_usage before strength reduction.
928 (record_giv, combine_givs): Remove handling of times_used member.
929 (combine_givs_used_once): Rename to:
930 (combine_givs_used_by_other) . Changed all callers.
932 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
934 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
935 instead of TREE_CODE_CLASS == 't'.
936 (gen_type_die): Likewise.
937 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
939 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
941 * real.c (endian): Disable last change unless
942 HOST_BITS_PER_WIDE_INT is greater than 32.
944 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
946 * output.h (force_data_section): New prototype.
947 * varasm.c (force_data_section): New function to force the
948 data section, regardless of what in_section thinks.
949 * dwarf2out.c (output_call_frame_info): Call force_data_section
950 since varasm may not realize we've changes sections.
952 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
954 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
955 after completeing reload.
957 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
958 deleted after reload.
960 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
962 * rtl.h (multiple_sets): Fix prototype.
963 * rtlanal.c (multiple_sets): Fix return type.
965 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
967 * version.c: Bump for snapshot.
969 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
971 * version.c: Bump for snapshot.
973 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
975 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
977 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
979 * rtl.h (recompute_reg_usage): Add second argument.
980 * flow.c (recompute_reg_usage): Likewise.
981 * toplev.c (rest_of_compilation): Supply second argument to
984 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
987 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
989 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
990 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
991 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
994 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
996 * rtlanal.c (multiple_sets): New function.
997 * rtl.h (multiple_sets): Declare it.
998 * local-alloc.c (wipe_dead_reg): Use it.
999 * global.c (global_conflicts): Likewise.
1001 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1003 * global.c (record_conflicts): Don't use an array of shorts to
1004 store an array of ints.
1005 (global_conflicts): Likewise.
1007 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1009 * alpha.c (alpha_expand_block_move): mode_for_size expects
1010 bits, not bytes. Infer extra alignment from addressof.
1012 1998-12-11 Michael Meissner <meissner@cygnus.com>
1014 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1015 .sbss section, not .sdata.
1017 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1019 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1021 * collect2.c: Likewise.
1022 * cpplib.h: Likewise.
1025 * getpwd.c: Likewise.
1026 * protoize.c: Likewise.
1027 * toplev.c: Likewise.
1029 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1030 and don't try to define it here.
1031 * Makefile.in (cppmain.o): Depend on machmode.h.
1032 (cpplib.o): Likewise.
1033 (cpperror.o): Likewise.
1034 (cppexp.o): Likewise.
1035 (cppfiles.o): Likewise.
1036 (cpphash.o): Likewise.
1037 (cppalloc.o): Likewise.
1038 (fix-header.o): Likewise.
1039 (scan-decls.o): Likewise.
1041 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1043 * sh.c (print_operand): lookup interrupt_handler attribute instead
1044 of relying on static variable.
1045 * (calc_live_regs): Likewise.
1046 * (sh_pragma_insert_attributes): Create interrupt_handler
1047 attribute if a pragma was specified
1048 * (sh_valid_machine_decl_attribute): Don't set static flag.
1049 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1051 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1053 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1054 to determine if a register is live at a jump destination.
1055 Everything is dead at a BARRIER.
1057 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1059 * cse.c (simplify_unary_operation): Sign-extend constants when
1060 they have the most significant bit set for the target.
1061 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1063 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1064 HOST_WIDE_INT temporary before negating it.
1065 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1067 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1069 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1072 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1074 * collect2.h: New header file for prototypes.
1076 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1078 * collect2.c: Include collect2.h.
1079 * tlink.c: Likewise.
1081 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1083 * flow.c: Update some comments.
1085 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1087 * objc/objc-act.c (cpp_initialized): Removed.
1088 (lang_init_options): Initialize cpplib.
1089 (lang_decode_option): Move initialization of cpplib to
1091 * c-lang.c: (parse_options,parse_in): Added.
1092 (lang_init_options): Initialized cpplib here.
1093 * c-decl.c (parse_options,cpp_initialized): Removed.
1094 (c_decode_option): Move initialization of cpplib to
1097 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1099 * reload1.c (reload_combine, reload_combine_note_store):
1100 Make STORE_RUID always valid.
1101 (reload_combine): Check if BASE is clobbered too early.
1103 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1105 * reload.c (find_reloads): Display the insn that cannot be
1108 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1110 * cccp.c (create_definition): Fix end of bufer logic.
1112 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1114 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1115 pointer parameters changed to use the PARAMS() macro.
1117 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1119 * except.h (struct handler_info): Add handler_number field.
1120 * except.c (gen_exception_label): EH labels no longer need to be
1121 on the permanent obstack.
1122 (get_new_handler): Set the label number field.
1123 (output_exception_table_entry): Regenerate handler label reference
1124 from the label number field.
1125 (init_eh): Remove a blank line.
1126 * integrate.c (get_label_from_map): Labels no longer need to be
1127 on the permanent obstack.
1129 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1131 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1132 only when OUTER_CODE is SET.
1134 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1136 * loop.c (strength_reduce): If scan_start points to the loop exit
1137 test, be wary of subversive use of gotos inside expression statements.
1138 Don't set maybe_multiple for a backward jump that does not
1139 include the label under consideration into its range.
1140 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1142 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1144 * explow.c (plus_constant_wide): Don't immediately return with
1145 result of recursive call.
1147 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1149 * eh-common.h (struct eh_context): Add table_index for rethrows.
1151 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1152 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1153 processed when inlined or unrolled (ie duplicated in some way).
1155 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1157 * expr.h (rethrow_libfunc): New library decl.
1159 * optabs.c (rethrow_libfunc): Initialize.
1161 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1162 (new_eh_region_entry): No longer exported from except.c.
1163 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1164 different prototype.
1165 (rethrow_symbol_map, rethrow_used): New exported functions.
1166 (eh_region_from_symbol): New exported function.
1168 * except.c (create_rethrow_ref): New function to create a single
1169 SYMBOL_REF for a rethrow region.
1170 (push_eh_entry): Initialize a rethrow ref.
1171 (func_eh_entry): Add a rethrow_label field.
1172 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1173 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1174 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1175 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1176 a region into an appropriate new symbol.
1177 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1178 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1179 (end_catch_handler): Emit a barrier for new-exceptions since
1180 control can never drop through the end of a catch block.
1181 (expand_end_all_catch): new-exceptions never fall through a catch
1183 (expand_rethrow): use __rethrow routine for new exceptions.
1184 (output_exception_table_entry): Generate rethrow labels, if needed.
1185 (output_exception_table): Generate start and end rethrow labels.
1186 (init_eh): Create rethrow symbols for beginning and end of table.
1187 (scan_region): Don't eliminate EH regions which are the targets of
1190 * flow.c (make_edges): Add different edges for rethrow calls,
1191 identified by having the REG_EH_RETHROW reg label.
1192 (delete_unreachable_blocks): Don't delete regions markers which are
1193 the target of a rethrow.
1195 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1196 allow save_for_inline_copying to call duplicate_eh_handlers.
1197 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1198 exposing internal details of exception regions.
1199 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1200 (expand_inline_function_eh_labelmap): New callback routine to
1201 allow expand_inline_function to call duplicate_eh_handlers.
1202 (expand_inline_function): Call duplicate_eh_handlers instead of
1203 exposing internal details of exception regions.
1204 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1207 * libgcc2.c (find_exception_handler): Generalize to enable it to
1208 pick up processing where it left off last time for a rethrow.
1209 (__unwinding_cleanup): New function. debug hook which is called before
1210 unwinding when __throw finds there is nothing but cleanups left.
1211 (throw_helper): Common parts of __throw extracted out for reuse.
1212 (__throw): Common parts moved to throw_helper.
1213 (__rethrow): New function for performing rethrows.
1215 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1217 * reload1.c (current_function_decl): Tweak declaration.
1219 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1221 * c-decl.c (flag_isoc9x): Default off.
1222 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1223 * cccp.c (print_help, main): Likewise.
1224 * gcc.c (default_compilers): Update for -std=gnu*.
1226 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1228 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1229 * demangle.h: Deleted.
1231 * reload1.c (current_function_decl): Declare.
1233 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1235 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1237 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1241 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1243 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1245 * configure: Rebuilt.
1246 * system.h: If the *_unlocked functions are available use them
1247 instead of the locked counterparts by defining macros.
1248 * config.in: Regenerated.
1250 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1252 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1253 wrong and should only be used for dump related things, not
1254 debugging information, instead main_input_filename should be used.
1255 Also, reuse output_file_directive if possible.
1256 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1257 * i386/isc.h (ASM_FILE_START): Likewise.
1258 * i386/win-nt.h (ASM_FILE_START): Likewise.
1259 * i386/sun386.h (ASM_FILE_START): Likewise.
1261 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1263 * configure.in (mips*-*-linux*): Handle big and little endian
1265 * configure: Rebuilt.
1267 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1269 * emit-rtl.c: Fix typo.
1271 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1273 * reload1.c (eliminate_regs): Don't do anything, if we're not
1276 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1278 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1280 * mips/mips.c (mips_select_section): Add comment.
1282 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1284 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1285 characters in file names in #line to be consistent with #include
1286 handling. We support escape prcessing in the # 1 "..." version of
1287 the command. See also support in cp/lex.c.
1288 (handle_directive): Likewise.
1289 (do_line): Likewise.
1291 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1293 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1294 so it'll work on non-ASCII platforms. Always consider $ an
1295 identifier character. Take no arguments.
1296 (cpp_reader_init): Call initialize_char_syntax with no
1298 (cpp_start_read): Don't call initialize_char_syntax again.
1299 Clear is_idchar['$'] and is_idstart['$'] if not
1300 opts->dollars_in_ident.
1302 * cpplib.h (struct cpp_reader): Replace void *data element by
1303 cpp_options *opts. Rearrange elements to make gdb printout
1304 less annoying (put buffer stack at end).
1305 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1307 * cppmain.c: s/data/opts/ when initializing cpp_reader
1309 * c-decl.c: Likewise.
1310 * objc/objc-act.c: Likewise.
1311 * fix-header.c: Likewise.
1313 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1315 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1316 with a struct file_name_list pointer.
1317 (struct cpp_reader): Add pointer to chain of `actual
1318 directory' include searchpath entries.
1319 (struct file_name_list): Add *alloc pointer for the sake of
1320 the actual-directory chain.
1322 Move definition of HOST_WIDE_INT here.
1323 (cpp_parse_escape): Change prototype to match changes in
1326 * cppfiles.c (actual_directory): New function.
1327 (finclude): Use it to initialize the buffer's actual_dir
1329 (find_include_file): We don't need to fix up max_include_len
1332 * cpplib.c (do_include): Don't allocate a file_name_list on
1333 the fly for current directory "" includes, use the one that's
1334 been preallocated in pfile->buffer->actual_dir. Hoist out
1335 duplicate code from the search_start selection logic.
1336 (cpp_reader_init): Initialize pfile->actual_dirs.
1338 Remove definition of HOST_WIDE_INT. Change calls
1339 to cpp_parse_escape to match changes in cppexp.c (note
1340 hardcoded MASK, which is safe since this is the source
1343 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1344 to handle wide character constants in #if directives. The
1345 function now returns a HOST_WIDE_INT, and takes a third
1346 argument which is a binary mask for all legal values (0x00ff
1347 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1348 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1349 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1351 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1353 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1355 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1357 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1358 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1359 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1361 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1363 * final.c (output_asm_name): Use tabs to seperate comments from
1366 Include instruction lengths (if defined) in output.
1368 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1370 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1371 in the loop_info structure.
1373 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1375 * configure.in: (arm*-*-ecos-elf): New target.
1376 * configure: Regenerated.
1377 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1378 * config/arm/ecos-elf.h: New file.
1379 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1382 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1384 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1386 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1388 * version.c: Bump for snapshot.
1390 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1392 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1395 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1397 * version.c: Bump for snapshot.
1399 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1401 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1402 compressed reports are ok and preferred over URLs
1404 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1406 * invoke.texi (Warning Options): Soften the tone of -pedantic
1408 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1410 * print-rtl.c (print_rtx): Add prototype.
1412 * unroll.c (iteration_info): Make it static.
1414 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1416 * alias.c (memrefs_conflict_p): A second ANDed address
1417 disables the aligned address optimization.
1419 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1421 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1424 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1426 * i960.h (BOOL_TYPE_SIZE): Define.
1428 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1430 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1431 from old valid_parallel_operands_4.
1432 (valid_parallel_operands_4): Check that operands for 4 operand
1433 parallel insns are valid, excluding load/store insns.
1434 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1435 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1436 valid_parallel_load_store instead of valid_parallel_operands_4.
1437 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1438 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1439 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1440 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1441 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1442 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1443 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1445 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1447 * config/c4x/c4x.c (iteration_info): Delete extern.
1449 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1451 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1453 * final.c (cleanup_subreg_operands): Delete some unused code.
1455 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1456 (struct insn_alternative): New structure definition.
1457 (recog_op_alt): Declare variable.
1458 (preprocess_constraints): Declare function.
1459 * recog.c (recog_op_alt): New variable.
1460 (extract_insn): Verify number of alternatives is in range.
1461 (preprocess_constraints): New function.
1462 * reg-stack.c: Include recog.h.
1463 (constrain_asm_operands): Delete.
1464 (get_asm_operand_lengths): Delete.
1465 (get_asm_operand_n_inputs): New function.
1466 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1467 N_OUTPUTS args. All callers changed.
1468 Compute number of inputs and outputs here by calling
1469 get_asm_operand_n_inputs.
1470 Instead of constrain_asm_operands, call extract_insn,
1471 constrain_operands and preprocess_constaints. Use information
1472 computed by these functions throughout.
1473 (record_reg_life): Delete code that is unused due to changes in
1474 record_asm_reg_life.
1475 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1476 N_INPUTS and N_OUTPUTS args. All callers changed.
1477 Similar changes as in record_asm_reg_life.
1478 (subst_stack_regs): Move n_operands declaration into the if statement
1480 Delete code that is unused due to changes in subst_asm_stack_regs.
1481 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1483 * Makefile.in (reg-stack.o): Depend on recog.h.
1485 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1487 * except.c (set_exception_version_code): Argument is an "int".
1489 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1491 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1492 * configure: Rebuilt.
1494 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1496 * configure.in (mipsel-*-linux*): New target.
1497 * mips/linux.h: New file, based on other Linux targets.
1499 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1501 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1502 runs in the context of the deleter, not the deletee, so we must
1503 use taskVarGet to find the correct memory to free.
1504 (__gthread_key_create): Initialize the task
1505 variable subsystem so that the task variable is still active when
1506 the delete hook is run.
1508 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1510 * pdp11.h: Use optimize_size for space optimizations.
1511 * pdp11.c: Likewise.
1512 * pdp11.md: Likewise.
1514 * pdp11.h (TARGET_40_PLUS): Fix typo.
1516 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1518 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1521 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1523 * alias.c (addr_side_effect_eval): New function.
1524 (memrefs_conflict_p): Use it.
1525 * rtl.h (addr_side_effect_eval): Prototype it.
1527 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1529 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1531 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1533 * reload.c (find_reloads): When force const to memory, put result
1534 in substed_operand not *recog_operand_loc.
1536 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1538 * c-lex.c: Fix indentation from last patch.
1539 Remove trailing whitespace.
1542 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1544 * flow.c (delete_block): Call set_last_insn after we have reset
1545 NEXT_INSN (kept_tail).
1547 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1549 * mips.md (trap_if): Use "$0" for the value zero.
1551 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1552 Stephen L Moshier <moshier@world.std.com>
1553 Richard Henderson <rth@cygnus.com>
1555 * c-common.c (declare_function_name): Declare predefinied variable
1558 * c-decl.c (flag_isoc9x): Set to 1 by default.
1559 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1560 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1562 * c-parse.in: Allow constructors in ISO C 9x.
1563 Rewrite designator list handling.
1564 Allow [*] parameters.
1565 Don't warn about comma at end of enum definition for ISO C 9x.
1567 * cccp.c (c9x): New variable.
1568 (rest_extension): New variable.
1569 (print_help): Document new -std= option.
1570 (main): Recognize -std= option. Set c9x appropriately.
1571 (create_definition): Recognize ISO C 9x vararg macros.
1573 * gcc.c (default_compilers): Adjust specs for -std options.
1574 (option_map): Add --std.
1575 (display_help): Document -std.
1577 * toplev.c (documented_lang_options): Add -std and remove
1580 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1581 or REAL_VALUE_HTOF based on base of the constants.
1582 * fold-const.c (real_hex_to_f): New function. Replacement function
1583 for hex FP conversion if REAL_ARITHMETIC is not defined.
1584 * real.c (asctoeg): Add handling of hex FP constants.
1585 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1588 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1590 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1591 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1592 expansion. Use hi/lo as destination register.
1594 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1595 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1596 Avoid as macro expansion. Use hi/lo as destination register.
1598 * mips.h (MASK_CHECK_RANGE_DIV): New.
1599 (MASK_NO_CHECK_ZERO_DIV): New.
1600 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1601 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1602 return address for leaf functions out of r31 to support
1603 builtin_return_address.
1605 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1607 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1608 NEXT_INSN(x) to check insn x.
1610 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1612 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1613 last insn in the rtl chain.
1615 * reload1.c (reload): Do not set reload_completed or split insns
1617 * toplev.c (rest_of_compilation): Set reload_completed after
1618 reload returns. Split insns after reload_cse has run.
1620 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1622 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1624 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1626 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1628 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1630 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1631 use of user-label_prefix.
1633 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1635 * reload1.c (emit_reload_insns): Clear spill_reg_store
1636 when doing a new non-inherited reload from the same pseudo.
1638 * local-alloc.c (function_invariant_p): New function.
1639 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1640 to decide if an equivalence should be recorded.
1641 * reload1.c (num_eliminable_invariants): New static variable.
1642 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1643 to decide if an equivalence should be recorded.
1645 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1646 Take num_eliminable_invariants into account when deciding
1647 if register elimination should be done.
1648 (reload_as_needed): Take num_eliminable_invariants into account
1649 when deciding if register elimination should be done.
1650 (eliminate_regs): Handle non-constant reg_equiv_constant.
1651 * rtl.h (function_invariant_p): Declare.
1653 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1655 * version.c: Bump for snapshot.
1657 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1659 * version.c: Bump for snapshot.
1661 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1663 * except.c (add_new_handler): Complain about additional handlers
1664 after one that catches everything.
1666 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1668 * configure.in (alpha*-*-netbsd): Fix typo.
1669 * configure: Rebuilt.
1671 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1673 * system.h: Include libiberty.h.
1675 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1676 function `concat' from fixed parameters to variable parameters,
1677 as is done in libiberty. All callers of concat/concat3
1678 changed to use the new `concat' with variable args.
1680 * cccp.c: Remove things made redundant by libiberty.h and/or
1681 conform to libiberty standards.
1683 * collect2.c: Likewise.
1684 * config/1750a/1750a.h: Likewise.
1685 * cppalloc.c: Likewise.
1686 * cppexp.c: Likewise.
1687 * cppfiles.c: Likewise.
1688 * cpphash.c: Likewise.
1689 * cpplib.c: Likewise.
1690 * dyn-string.c: Likewise.
1691 * fix-header.c: Likewise.
1694 * genattr.c: Likewise.
1695 * genattrtab.c: Likewise.
1696 * gencheck.c: Likewise.
1697 * gencodes.c: Likewise.
1698 * genconfig.c: Likewise.
1699 * genemit.c: Likewise.
1700 * genextract.c: Likewise.
1701 * genflags.c: Likewise.
1702 * gengenrtl.c: Likewise.
1703 * genopinit.c: Likewise.
1704 * genoutput.c: Likewise.
1705 * genpeep.c: Likewise.
1706 * genrecog.c: Likewise.
1707 * getpwd.c: Likewise.
1708 * halfpic.c: Likewise.
1710 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1711 in NEED_DECLARATION_* macros.
1713 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1714 conform to libiberty standards.
1715 (fatal): Fix const-ification of variable `format' in
1716 !ANSI_PROTOTYPES case.
1718 * prefix.c: Remove things made redundant by libiberty.h and/or
1719 conform to libiberty standards.
1721 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1722 conflicting with function `spaces' from libiberty.
1724 * profile.c: Remove things made redundant by libiberty.h and/or
1725 conform to libiberty standards.
1726 * protoize.c: Likewise.
1729 * tlink.c: Likewise.
1730 * toplev.c: Likewise.
1731 * toplev.h: Likewise.
1734 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1736 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1738 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1740 * README.C4X: Updated URLs.
1741 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1742 (valid_parallel_operands_5): Remove unused variable.
1744 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1746 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1748 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1750 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1751 which can be configured.
1752 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1753 (Makefile): Pass actual LANGUAGES through the environment when
1755 (cstamp-h): Likewise.
1756 (config.status): Likewise.
1758 * configure.in (enable_languages): Add new configuration parameter
1759 "--enable-languages=lang1,lang2,...".
1760 (${srcdir}/*/config-lang.in): Change handling to configure only
1761 those directories, that the user might have enabled; default to
1762 "all" existing languages.
1763 * configure: Regenerate.
1765 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1767 * rtlanal.c (regs_set_between_p): New function.
1768 * rtl.h (regs_set_between_p): Prototype it.
1769 * jump.c (jump_optimize): Use it instead of modified_between_p
1770 in the Sep 2 change.
1772 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1773 Matthias Pfaller <leo@dachau.marco.de>
1775 * invoke.texi (Option Summary, NS32K Options): add description
1776 of NS32K specific options.
1778 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1779 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1780 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1781 negdf2, absdf2): Use l instead of f since the double class and
1782 float class are no longer the same.
1783 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1784 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1785 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1786 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1788 (cmpsi, cmphi, cmpqi): use general_operand instead of
1789 non_immediate_operand. Removes erroneous assumption that can't
1791 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1792 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1794 (movstrsi, movstrsi1, movstrsi2): completely new block move
1796 (...): Patterns to exploit multiply-add instructions.
1797 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1798 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1799 patterns to exploit extended divide insns.
1800 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1803 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1804 float return values as well as simple scalar floats.
1805 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1806 support new flag to denote 32381 fpu.
1807 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1808 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1810 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1811 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1812 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1813 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1814 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1815 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1816 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1817 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1818 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1819 fpu registers and special register classes for new 32381
1820 instructions dotf and polyf.
1821 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1823 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1824 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1826 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1827 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1828 (REGISTER_MOVE_COST): move code to register_move_cost function for
1829 ease of coding and debugging.
1830 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1831 LONG_FLOAT_REGO is likely spilled but not caught by default
1833 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1834 instead of hard coded numbers in range check.
1835 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1836 (...): Add prototypes for functions in ns32k.c but disable because
1837 of problems when ns32k.h is included in machine independant files.
1839 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1840 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1841 hard_regno_mode_ok, secondary_reload_class,
1842 print_operand, print_operand_address): new register scheme to
1843 include 32381 fpu registers and special register classes for new
1844 32381 instructions dotf and polyf.
1845 (gen_indexed_expr): Make static to keep namespace clean.
1846 (check_reg): remove since never called.
1847 (move_tail, expand_block_move): helper functions for "movstrsi"
1849 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1850 Increase cost of moves which go via memory.
1851 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1852 (CPP_PREDEFINES): nolonger predefine "unix".
1854 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1855 Remove erroneous %$. print_operand() can work out from the rtx is
1856 an immediate prefix is required.
1858 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1859 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1860 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1862 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1865 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1866 Correct handling of pic operands.
1867 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1868 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1869 -mrtd calling convention.
1871 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1873 * gcc.c (option_map): Recognize --output-class-directory.
1875 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1877 * loop.h (precondition_loop_p): Added new mode argument.
1878 * unroll.c (precondition_loop_p): Likewise.
1879 (approx_final_value): Function deleted and subsumed
1880 into loop_iterations.
1881 (loop_find_equiv_value): New function.
1882 (loop_iterations): Use loop_find_equiv_value to find increments
1883 too large to be immediate constants. Also use it to find terms
1884 common to initial and final iteration values that can be removed.
1886 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1888 * loop.h (struct loop_info): Define new structure.
1889 (precondition_loop_p): Added prototype.
1890 (unroll_loop): Added new argument loop_info to prototype.
1891 (final_biv_value, final_giv_value): Added new argument n_iterations
1893 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1894 and new pointer loop_info.
1895 (loop_n_iterations): Replace global variable by element in
1896 loop_info structure.
1897 (check_final_value): New argument n_iterations.
1898 (insert_bct): New argument loop_info.
1899 (loop_unroll_factor): Replace global array by element in
1900 loop_info structure.
1901 (loop_optimize): Remove code to allocate and initialise
1902 loop_unroll_factor_array.
1903 * unroll.c (precondition_loop_p): No longer static since
1904 used by branch on count optimization.
1905 (precondition_loop_p, unroll_loop): New argument loop_info.
1906 (final_biv_value, final_giv_value, find_splittable_regs): New
1907 argument n_iterations.
1908 (loop_iteration_var, loop_initial_value, loop_increment,
1909 loop_final_value, loop_comparison_code, loop_unroll_factor):
1910 Replaced global variables by loop_info structure.
1911 (loop_unroll_factor): Replace global array by element in
1912 loop_info structure.
1914 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1916 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1919 * unroll.c (precondition_loop_p): Return loop_initial_value
1920 for initial_value instead of loop_iteration_var.
1922 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1924 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1925 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1926 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1927 to output the instruction sequences.
1929 (rptb_top): Provide alternatives to use any register or memory
1931 (rptb_end): Emit use of operands rather than assigning them
1932 explicitly to the RS and RE registers.
1934 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1936 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1937 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1938 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1939 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1940 c4x_merge_notes, c4x_parallel_process,
1941 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1942 c4x_combine_parallel): Delete.
1944 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1946 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1947 with old target options clear flag_branch_on_count_reg if
1948 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1950 (c4x_output_cbranch): Handle a sequence of insns rather than a
1952 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1953 has not been allocated as the loop counter.
1954 (c4x_address_conflict): Do not allow two volatile memory references.
1955 (valid_parallel_operands_4, valid_parallel_operands_5,
1956 valid_parallel_operands_6): Reject pattern if the register destination
1957 of the first set is used as part of an address in the second set.
1959 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1961 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1962 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1963 is no longer enabled if PARALLEL_MPY_FLAG set.
1964 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1965 (REG_CLASS_CONTENTS): Add braces around initializers.
1966 (HAVE_MULTIPLE_PACK): Define.
1967 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1968 REAL_VALUE_TO_DECIMAL.
1969 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1970 REAL_VALUE_TO_DECIMAL.
1971 (ar0_reg_operand): Add prototype.
1972 (ar0_mem_operand): Likewise.
1973 (ar1_reg_operand): Likewise.
1974 (ar1_mem_operand): Likewise.
1975 (ar2_reg_operand): Likewise.
1976 (ar2_mem_operand): Likewise.
1977 (ar3_reg_operand): Likewise.
1978 (ar3_mem_operand): Likewise.
1979 (ar4_reg_operand): Likewise.
1980 (ar4_mem_operand): Likewise.
1981 (ar5_reg_operand): Likewise.
1982 (ar5_mem_operand): Likewise.
1983 (ar6_reg_operand): Likewise.
1984 (ar6_mem_operand): Likewise.
1985 (ar7_reg_operand): Likewise.
1986 (ar7_mem_operand): Likewise.
1987 (ir0_reg_operand): Likewise.
1988 (ir0_mem_operand): Likewise.
1989 (ir1_reg_operand): Likewise.
1990 (ir1_mem_operand): Likewise.
1991 (group1_reg_operand): Likewise.
1992 (group1_mem_operand): Likewise.
1993 (ir1_reg_operand): Likewise.
1994 (arx_reg_operand): Likewise.
1995 (not_rc_reg): Likewise.
1996 (not_modify_reg): Likewise.
1997 (c4x_group1_reg_operand): Remove prototype.
1998 (c4x_group1_mem_operand): Likewise.
1999 (c4x_arx_reg_operand): Likewise.
2001 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2003 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2004 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2006 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2008 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2011 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2013 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2014 unless FMOVD_WORKS is defined.
2016 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2018 * regclass.c (init_reg_sets): Move code that calculates tables
2019 dependent on reg_class_contents from here...
2020 (init_reg_sets_1): To here.
2022 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2024 * cpplib.h: Delete struct import_file. Add ihash element to
2025 struct cpp_buffer. Delete dont_repeat_files and
2026 import_hash_table elements from cpp_reader; change
2027 all_include_files to a hash table. Delete all foobar_include
2028 / last_foobar_include elements from struct cpp_options; put
2029 back four such: quote_include, bracket_include,
2030 system_include, after_include. Redo struct file_name_list
2031 completely. Add new structure type include_hash. Add
2032 prototypes for merge_include_chains and include_hash. Change
2033 prototypes for finclude, find_include_file, and
2034 append_include_chain to match changes below.
2036 * cppfiles.c (simplify_pathname, include_hash,
2037 remap_filename, merge_include_chains): New functions.
2038 (add_import, lookup_import, open_include_file): Removed.
2039 (INO_T_EQ): Define this (copied from cccp.c).
2040 (hack_vms_include_specification): Remove all calls and #if 0
2041 out the definition. It was being called incorrectly and at
2042 the wrong times. Until a VMSie can look at this, it's better
2043 to not pretend to support it.
2044 (append_include_chain): Change calling convention; now takes
2045 only one directory at a time, and sets up the data structure
2047 (redundant_include_p): Rewritten - this is now used for all
2048 include redundancy, whether by #ifndef, #import, or #pragma
2049 once. Looks up things in the include hash table.
2050 (file_cleanup): Decrement pfile->system_include_depth here if
2052 (find_include_file): Calling convention changed; now passes
2053 around a struct include_hash instead of 3 separate parameters.
2054 Guts ripped out and replaced with new include_hash mechanism.
2055 (finclude): Calling convention changed as for
2056 find_include_file. Error exits pulled out-of-line. Reformat.
2057 (safe_read): Return a long, not an int.
2058 (deps_output): Don't recurse.
2060 * cpplib.c (is_system_include): Deleted.
2061 (path_include): Fix up call to append_include_chain.
2062 (do_include): Fix up calls to find_include_file and finclude.
2063 Clean up dependency output a bit. Shorten obnoxiously lengthy
2064 #import warning message. Don't decrement
2065 pfile->system_include_depth here.
2066 (do_pragma): Understand the include_hash structure. Reformat.
2067 (do_endif): Correct handling of control macros. Understand
2069 (cpp_start_read): Fix up calls to finclude. Call
2070 merge_include_chains.
2071 (cpp_handle_option): Fix up calls to append_include_chain.
2072 Understand the four partial include chains.
2073 (cpp_finish): Add debugging code (#if 0-ed out) for the
2075 (cpp_cleanup): Free the include_hash, not the import hash and
2076 the all_include and dont_repeat lists which no longer exist.
2078 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2080 * toplev.c (no_new_pseudos): Define.
2081 (rest_of_compilation): Set no_new_pseudos as needed.
2082 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2083 if no_new_pseudos is set.
2084 * rtl.h (no_new_pseudos): Declare it.
2085 * reload1.c (reload): Update comments.
2086 * md.texi: Corresponding changes.
2088 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2090 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2091 (choose_reload_regs): Rename it here as well. When computing it,
2092 also merge in used hardregs.
2094 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2096 * gcc.c: Split out Objective-C specs to...
2097 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2100 * c-lex.c (init_parse): Always initialize the filename global.
2101 * objc/objc-act.c (lang_init): Always call check_newline at
2104 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2106 * reload1.c (reload): Remove unused variable.
2107 (reload_reg_free_for_value_p): Add missing parameter definition.
2109 * jump.c (jump_optimize): Remove unused variable.
2111 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2113 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2115 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2117 * expr.c (move_by_pieces): Similarly.
2118 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2119 * flow.c (find_auto_inc): Similarly.
2120 (try_pre_increment): Similarly.
2121 * loop.c (strength_reduce): Similarly.
2122 * regclass.c (auto_inc_dec_reg_p): Similarly.
2123 * regmove.c (try_auto_increment): Similarly.
2124 (fixup_match_1): Similarly.
2125 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2126 (HAVE_PRE_DECREMENT): Similarly.
2127 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2128 * Corresponding changes to all target header files.
2129 * tm.texi: Update docs for autoinc addressing modes.
2131 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2133 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2134 * configure: Rebuild.
2135 * config/elfos.h: New file.
2136 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2137 config/m68k/t-m68kelf: New file.
2139 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2141 * Makefile.in (HOST_AR): Define.
2142 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2143 (libcpp.a): Use the host tools explicitly.
2144 (STAGESTUFF): Add libcpp.a.
2146 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2148 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2149 to source and destination registers.
2151 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2153 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2154 The strategy we now use is to pre allocate the top_elt along
2155 with the EH context so that each thread has its own top_elt.
2156 This is necessary as the dynmanic cleanup chain is used on the
2157 top element of the stack and each thread MUST have its own.
2158 (eh_context_static): Likewise.
2159 (new_eh_context): Likewise.
2160 (__sjthrow): Likewise.
2162 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2164 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2165 * i386.md (prologue_get_pc): Remove unused variable.
2167 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2169 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2171 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2173 * Makefile.in (OBJS): Add graph.o
2174 (graph.o): New dependency list.
2175 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2176 * print-rtl.c (dump_for_graph): Define new variable.
2177 (print_rtx): Rewrite to allow use in graph dumping functions.
2178 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2179 finish_graph_dump_file.
2180 Define graph_dump_format.
2181 (compile_file): If graph dumping is enabled also clear these files.
2182 Finish graph dump files.
2183 (rest_of_compilation): Also dump graph information if enabled.
2184 (main): Recognize -dv to enabled VCG based graph dumping.
2185 * graph.c: New file. Graph dumping functions.
2187 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2189 * configure.in: Look for <sys/stat.h>.
2190 * system.h: Include it before substitute S_ISREG definitions.
2192 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2194 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2195 * config/mips/iris6.h: Same.
2196 * config/mips/mips.md: Same.
2197 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2198 * config/mips/mips.h: Same; also define ABI_O64.
2200 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2202 * configure.in: Use AC_PREREQ(2.12.1).
2204 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2206 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2207 * cpplib.c, gcc.c: Likewise.
2208 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2210 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2212 * local-alloc.c (local_alloc): Use malloc not alloca for
2213 reg_qty, reg_offset, ref_next_in_qty.
2215 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2217 * caller-save.c (insert_one_insn): Initialize the live_before and
2218 live_after register sets.
2222 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2223 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2224 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2225 (fp_reg_names, assembler_dialect): New variables.
2226 (print_operand_address): Handle SUBREGs.
2227 (print_operand): Added 'o' case.
2228 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2229 Name of FP registers depends on mode.
2230 (expand_block_move): Emit different code for SH4 hardware.
2231 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2232 (from_compare): Likewise.
2233 (add_constant): New argument last_value. Changed all callers.
2234 (find_barrier): Don't try HImode load for FPUL_REG.
2235 (machine_dependent_reorg): Likewise.
2236 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2237 (gen_far_branch): Emit a barrier after the new jump.
2238 (barrier_align): Don't trust instruction lengths before
2240 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2241 Use auto-inc addressing for fp registers if doubles need to
2242 be loaded in two steps.
2243 Set sh_flag_remove_dead_before_cse.
2244 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2245 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2246 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2247 Support for FIRST_XD_REG .. LAST_XD_REG.
2248 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2249 (sh_expand_epilogue): Likewise.
2250 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2251 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2252 (arith_reg_operand): FPUL_REG is OK for SH4.
2253 (fp_arith_reg_operand, fp_extended_operand) New functions.
2254 (tertiary_reload_operand, fpscr_operand): Likewise.
2255 (commutative_float_operator, noncommutative_float_operator): Likewise.
2256 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2257 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2258 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2259 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2260 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2261 (CONDITIONAL_REGISTER_USAGE): Likewise.
2262 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2263 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2264 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2265 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2266 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2267 to -1 and sh_flag_remove_dead_before_cse to 1.
2268 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2269 (assembler_dialect, fp_reg_names): Declare.
2270 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2271 Hide names of registers that are not accessible.
2272 (CACHE_LOG): Take TARGET_CACHE32 into account.
2273 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2274 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2275 (FIRST_PSEUDO_REGISTER: Now 49.
2276 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2277 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2278 (HARD_REGNO_MODE_OK): Update.
2279 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2280 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2281 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2282 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2283 (NPARM_REGS): Eight floating point parameter registers on SH4.
2284 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2285 in floating point registers.
2286 (GET_SH_ARG_CLASS) Likewise.
2287 Complex float types are also returned in float registers.
2288 (BASE_ARG_REG): Complex float types are also passes in float registers.
2289 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2290 (LIBCALL_VALUE): Remove trailing semicolon.
2291 (ROUND_REG): Round when double precision value is passed in floating
2293 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2294 passed on the stack.
2295 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2296 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2297 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2298 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2299 (MODE_DISP_OK_8): Not for SH4 DFmode.
2300 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2301 Allow indexed addressing for PSImode after reload.
2302 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2303 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2304 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2305 (DOUBLE_TYPE_SIZE): 64 for SH4.
2306 (RTX_COSTS): Add PLUS case.
2307 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2308 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2309 MAC_REGS, PR_REGS, DF_REGS.
2310 (REGISTER_NAMES): Use fp_reg_names.
2311 (enum processor_type): Add PROCESSOR_SH4.
2312 (sh_flag_remove_dead_before_cse): Declare.
2313 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2314 (PREDICATE_CODES): Add binary_float_operator,
2315 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2316 fpscr_operand, noncommutative_float_operator.
2317 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2318 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2319 * sh.md (attribute cpu): Add value sh4.
2320 (attrbutes fmovd, issues): Define.
2321 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2322 (function units memory, int, mpy, fp): Make dependent on issue rate.
2323 (function units issue, single_issue, load_si, load): Define.
2324 (function units load_store, fdiv, gp_fpul): Define.
2325 (attribute hit_stack): Provide proper default.
2326 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2327 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2328 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2329 (mulsi3_call): Now uses match_operand for function address.
2330 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2332 (push, pop, push_e, pop_e): Now define_expands.
2333 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2334 (movsi_ie): Added y/i alternative.
2335 (ic_invalidate_line_i, movdf_i4): New insns.
2336 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2337 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2338 (movdf): Add special code for SH4.
2339 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2340 (call_valuei, calli, call_value): Likewise.
2341 (movsf): Emit no-op move.
2342 (mov_nop, movsi_y): New insns.
2343 (blt, sge): generalize to handle DFmode.
2344 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2345 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2346 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2347 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2348 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2349 (toggle_sz): New insn.
2350 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2351 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2352 (macsf3): Make use of fpscr visible. Disable for SH4.
2353 (floatsisf2): Make use of fpscr visible.
2354 (floatsisf2_i4): New insn.
2355 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2356 (ieee_ccmpeqsf_t): Likewise.
2357 (fix_truncsfsi2): Emit different code for SH4.
2358 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2359 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2360 (negsf2, sqrtsf2, abssf2): Now expanders.
2361 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2362 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2363 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2364 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2365 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2366 (fix_truncdfsi2_i4_2+1): New splitters.
2367 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2368 (extendsfdf2, truncdfsf2): New expanders.
2369 (truncdfsf2_i4): New insn.
2370 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2371 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2372 * float-sh.h: When testing for __SH3E__, also test for
2373 __SH4_SINGLE_ONLY__ .
2374 * va-sh.h (__va_freg): Define to float.
2375 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2376 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2377 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2378 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2380 (TARGET_SH4_P): Define.
2383 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2384 init_expr_once is satisfied about the existence of load / store insns.
2386 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2387 change m constraint in source operand to mr / mf .
2389 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2391 * (__VA_REEF): Define.
2392 (__va_arg_sh1): Use it.
2394 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2396 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2398 * i386/dgux.c (struct option): Add new "description field".
2399 * m88k/m88k.c (struct option): Likewise.
2401 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2403 * version.c: Bump for snapshot.
2405 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2407 * regmove.c (regmove_profitable_p): Use return value of find_matches
2410 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2412 * version.c: Bump for snapshot.
2414 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2416 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2417 without reload having been called earlier.
2419 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2421 (v850_reorg): Similarly.
2423 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2425 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2427 * loop.c (move_movables): Start of libcall might be new loop start.
2429 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2433 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2435 * function.c (nonlocal_goto_handler_slots): Renamed from
2436 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2437 (push_function_context_to): Adjust for this change.
2438 (pop_function_context_from): Likewise.
2439 (init_function_start): Likewise.
2440 (expand_function_end): Likewise.
2441 * function.h (struct function): Likewise.
2442 * calls.c (expand_call): Likewise.
2443 * explow.c (allocate_dynamic_stack_space): Likewise.
2444 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2445 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2447 (expand_goto): When doing a nonlocal goto, find corresponding handler
2448 slot for it. Don't put the label address in the static chain register.
2449 (expand_end_bindings): Break out nonlocal goto handling code into
2450 three new functions.
2451 (expand_nl_handler_label, expand_nl_goto_receiver,
2452 expand_nl_goto_receivers): New static functions, broken out of
2453 expand_end_bindings and adapted to create one handler per nonlocal
2455 * function.c (delete_handlers): Delete insn if it references any of
2456 the nonlocal goto handler slots.
2457 * i960.md (nonlocal_goto): Comment out code that modifies
2459 * sparc.md (nonlocal_goto): Likewise.
2460 (goto_handler_and_restore_v9): Comment out.
2461 (goto_handler_and_restore_v9_sp64): Comment out.
2463 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2465 * expr.c (STACK_BYTES): Delete unused macro.
2466 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2467 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2468 (expand_call): Likewise.
2469 (emit_library_call): Likewise.
2470 (emit_library_call_value): Likewise.
2471 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2472 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2473 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2474 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2475 (allocate_dynamic_stack_space): Likewise.
2476 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2477 (STACK_BOUNDARY): Update description to reflect the new situation.
2479 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2481 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2482 return with a filled delay slot is followed by a return with an
2483 unfilled delay slot, delete the first return and reemit the insn
2484 that was previously in its delay slot.
2486 * i860.c (single_insn_src_p): Add missing parens.
2487 * ginclude/math-3300.h: Likewise.
2489 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2491 * regclass.c (init_reg_sets_1): Add prototype.
2492 (init_reg_modes): Likewise.
2494 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2496 * c-common.c: Change warning messages to say `comparison is
2497 always true' or `comparison is always false' instead of the
2498 confusing `is always 0', `is always 1'.
2500 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2502 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2503 break instead of return (which loses closing '>').
2505 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2507 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2508 standard 387 constants.
2510 * i386.md (jump): Explicitly set "memory" attribute.
2511 (indirect_jump, prologue_set_stack_ptr): Likewise.
2512 (prologue_get_pc_and_set_got, pop): Likewise.
2513 (allocate_stack_worder, blockage, return_internal): Likewise.
2514 (return_pop_internal, nop): Likewise.
2515 (epilogue_set_stack_ptr, leave): Likewise.
2517 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2519 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2521 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2523 * reload1.c (reload_reg_free_for_value_p):
2524 Early auto_inc reloads don't conflict with outputs.
2526 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2528 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2529 Instead call AC_HEADER_SYS_WAIT.
2531 * collect2.c: Don't provide defaults for sys/wait.h macros.
2533 * protoize.c: Likewise. Also, don't include sys/wait.h.
2535 * system.h: Include sys/wait.h and provide macro defaults.
2537 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2539 * Makefile.in (mandir): Set to @mandir@.
2540 (man1dir): New variable to hold the former value of $(mandir).
2541 Replace all uses of $(mandir) by $(man1dir).
2543 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2545 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2546 a new one before passing it to force_const_mem.
2548 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2549 find_reloads_address call.
2551 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2553 * expr.c (store_expr): Don't generate load-store pair
2554 if TEMP is identical (according to ==) with TARGET.
2556 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2558 * reload1.c (reload_reg_free_for_value_p): When considered reload
2559 has an output, matching inputs are not sufficient to avoid conflict.
2561 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2563 * hash.h (hash_table_key): New type.
2564 (hash_entry): Change `string' field to generic `key'.
2565 (hash_table): Add `comp' and `hash' functions.
2566 (hash_table_init): Take them as input.
2567 (hash_table_init_n): Likewise.
2568 (hash_lookup): Modify for generic keys.
2569 (hash_newfunc): Likewise.
2570 (hash_traverse): Likewise.
2571 (string_hash): New function.
2572 (string_compare): Likewise.
2573 (string_copy): Likewise.
2574 * hash.c (hash_table_init_n): Modify for generic keys.
2575 (hash_table_init): Likewise.
2576 (hash_lookup): Likewise.
2577 (hash_newfunc): Likewise.
2578 (hash_traverse): Likewise.
2579 (string_hash): Split out from hash_lookup.
2580 (string_compare): New function.
2581 (string_copy): Split out from hash_lookup.
2582 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2584 (symbol_hash_lookup): Likewise.
2585 (file_hash_newfunc): Likewise.
2586 (file_hash_lookup): Likewise.
2587 (demangled_hash_newfunc): Likewise.
2588 (demangled_hash_lookup): Likewise.
2589 (tlink_int): Likewise.
2590 (read_repo_file): Likewise.
2591 (recompile_files): Likewise.
2592 (demangle_new_symbols): Likewise.
2593 (scan_linker_output): Likewise.
2595 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2597 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2599 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2601 * rs6000.c (output_mi_thunk): Improve test for local branch.
2603 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2605 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2607 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2609 * reload1.c (reload_reg_free_before_p): Delete.
2610 Changed all callers to use reload_reg_free_for_value_p instead.
2611 (reload_reg_free_for_value_p): Handle more reload types.
2612 A RELOAD_FOR_INPUT doesn't conflict with its
2613 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2614 Add special case for OUT == const0_rtx.
2615 Added ignore_address_reloads argument. Changed all callers.
2617 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2619 * toplev.c (compile_file): Don't pedwarn about undefined static
2620 functions just because we passed -Wunused.
2622 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2624 * function.c (purge_addressof_1): Unshare rtl created by
2627 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2629 * regmove.c (regmove_optimize): Don't do anything but
2630 optimize_reg_copy[123] when flag_regmove is not set.
2632 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2634 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2635 value in paradoxical SImode result, rather than truncating midpoint.
2637 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2639 * alpha.c (reg_not_elim_operand): New.
2640 * alpha.h (PREDICATE_CODES): Add it.
2641 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2642 for the multiplicand.
2644 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2646 * rs6000.md (movsf): Remove explicit secondary-reload-like
2647 functionality. Only truncate SFmode store if in FPR.
2648 (movsf splitters): Combine const_double splitters.
2649 (movsf_hardfloat): Add GPR support.
2651 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2653 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2654 deprecate -mlive-g0 and -mbroken-saverestore.
2655 * t-splet (MULTILIB_OPTIONS): Likewise.
2657 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2658 in a leaf function. Clarify total_size/extra_size relationship.
2660 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2662 * i386/cygwin32.asm: Delete.
2663 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2664 * i386/cygwin32.h: Delete.
2665 * i386/cygwin.h: New file, renamed from cygwin32.h.
2666 * i386/t-cygwin32: Delete.
2667 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2668 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2669 * i386/x-cygwin32: Delete.
2670 * i386/x-cygwin: New file, renamed from x-cygwin32.
2671 * i386/xm-cygwin32: Delete.
2672 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2673 renamed cygwin_ funcs for path translations.
2674 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2675 * i386/winnt.c: Remove "32" from comment about cygwin.
2676 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2677 * rs6000/cygwin32.h: Delete.
2678 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2679 -D__CYGWIN__ to CPP_PREDEFINES.
2680 * rs6000/x-cygwin32: Delete.
2681 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2682 * rs6000/xm-cygwin32: Delete.
2683 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2685 * configure.in: Check for cygwin* instead of cygwin32. Account
2686 for the rename of cygwin-related config files to lose the "32"s.
2687 * configure: Regenerate.
2689 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2690 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2692 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2694 * Makefile.in (JAVAGC): New macro.
2695 * configure: Rebuilt.
2696 * configure.in: Recognize --enable-java-gc argument. Subst
2699 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2701 Handle equivalences that have been obscured by gcse:
2703 * reload1.c (reload): Handle equivalences set up in multiple places.
2704 * local-alloc.c (reg_equiv_init_insns): New variable.
2705 (no_equiv): New function.
2706 (update_equiv_regs): Handle equivalences set up in multiple places.
2707 Don't ignore an insn just because its destination is likely to be
2710 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2712 * except.c (expand_eh_return): Readd force_operand call lost in
2715 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2717 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2719 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2721 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2723 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2725 * regmove.c (regmove_optimize): Fix error in last change.
2727 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2729 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2730 offset in the .mask pseudo to compensate for frame pointer adjustments.
2731 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2732 word swap arguments moved to/from FP registers.
2733 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2735 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2737 * version.c: Bump for snapshot.
2739 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2741 * version.c: Bump for snapshot.
2743 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2745 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2746 times, then it can not be completely replaced.
2748 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2750 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2752 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2754 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2755 (to distinguish it from the macro wrapping ansidecl.h.)
2756 Include libiberty's ansidecl.h. Remove all redundant definitions.
2757 Define the PROTO() style macros in terms of the PARAMS() ones.
2760 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2761 __STDC__, when deciding whether to use ANSI variable args.
2762 (emit_library_call_value): Likewise.
2764 * cccp.c (error): Likewise.
2765 (warning): Likewise.
2766 (error_with_line): Likewise.
2767 (warning_with_line): Likewise.
2768 (pedwarn): Likewise.
2769 (pedwarn_with_line): Likewise.
2770 (pedwarn_with_file_and_line): Likewise.
2773 * cexp.y (error): Likewise.
2774 (pedwarn): Likewise.
2775 (warning): Likewise.
2777 * collect2.c (fatal_perror): Likewise.
2781 * combine.c (gen_rtx_combine): Likewise.
2783 * cpperror.c (cpp_message): Likewise.
2784 (cpp_fatal): Likewise.
2786 * cpplib.c (cpp_error): Likewise.
2787 (cpp_warning): Likewise.
2788 (cpp_pedwarn): Likewise.
2789 (cpp_error_with_line): Likewise.
2790 (cpp_warning_with_line): Likewise.
2791 (cpp_pedwarn_with_line): Likewise.
2792 (cpp_pedwarn_with_file_and_line): Likewise.
2794 * cpplib.h: Don't define PARAMS() macro.
2796 * demangle.h: Likewise.
2798 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2799 when deciding whether to use ANSI variable args.
2801 * emit-rtl.c (gen_rtx): Likewise.
2802 (gen_rtvec): Likewise.
2804 * final.c (asm_fprintf): Likewise.
2806 * fix-header.c (cpp_message): Likewise.
2808 (cpp_fatal): Likewise.
2810 * gcc.c (concat): Likewise.
2814 * genattr.c (fatal): Likewise.
2816 * genattrtab.c (attr_rtx): Likewise.
2817 (attr_printf): Likewise.
2820 * gencodes.c (fatal): Likewise.
2822 * genconfig.c (fatal): Likewise.
2824 * genemit.c (fatal): Likewise.
2826 * genextract.c (fatal): Likewise.
2828 * genflags.c (fatal): Likewise.
2830 * genopinit.c (fatal): Likewise.
2832 * genoutput.c (fatal): Likewise.
2835 * genpeep.c (fatal): Likewise.
2837 * genrecog.c (fatal): Likewise.
2839 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2840 deciding whether to declare `tree_node' and `rtx_def'.
2842 * hash.h: Don't define stuff we get from gansidecl.h.
2844 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2845 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2846 whether to use ANSI variable args.
2849 * prefix.c (concat): Likewise.
2853 * system.h: Likewise.
2855 * toplev.c (error_with_file_and_line): Likewise.
2856 (error_with_decl): Likewise.
2857 (error_for_asm): Likewise.
2860 (warning_with_file_and_line): Likewise.
2861 (warning_with_decl): Likewise.
2862 (warning_for_asm): Likewise.
2863 (warning): Likewise.
2864 (pedwarn): Likewise.
2865 (pedwarn_with_decl): Likewise.
2866 (pedwarn_with_file_and_line): Likewise.
2868 (really_sorry): Likewise.
2870 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2871 whether to declare `tree_node' and `rtx_def'.
2873 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2874 deciding whether to use ANSI variable args.
2875 (build_nt): Likewise.
2876 (build_parse_node): Likewise.
2878 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2880 * version.c: Bump for snapshot.
2882 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2884 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2886 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2888 * collect2.c (main, case 'b'): Use else if.
2890 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2892 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2893 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2894 before the config/ directory headers.
2895 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2896 gansidecl.h in the list of dependencies.
2898 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2899 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2900 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2901 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2902 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2903 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2906 * cccp.c: Don't include gansidecl.h.
2908 * collect2.c: Likewise.
2909 * config/c4x/c4x.c: Likewise.
2910 * config/v850/v850.h: Likewise.
2911 * cppalloc.c: Likewise.
2912 * cpperror.c: Likewise.
2913 * cppexp.c: Likewise.
2914 * cppfiles.c: Likewise.
2915 * cpphash.c: Likewise.
2916 * cpplib.c: Likewise.
2917 * cppmain.c: Likewise.
2918 * cppulp.c: Likewise.
2919 * demangle.h: Likewise.
2920 * doprint.c: Likewise.
2921 * dyn-string.c: Likewise.
2922 * eh-common.h: Likewise.
2923 * fix-header.c: Likewise.
2924 * frame.c: Likewise.
2927 * gen-protos.c: Likewise.
2928 * gencheck.c: Likewise.
2929 * halfpic.h: Likewise.
2931 * machmode.h: Likewise.
2932 * mbchar.c: Likewise.
2933 * prefix.c: Likewise.
2934 * protoize.c: Likewise.
2935 * recog.h: Likewise.
2937 * scan-decls.c: Likewise.
2939 * varray.h: Likewise.
2941 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2943 * i386.md (call_value_pop): If we're not popping anything,
2944 defer to call_value.
2945 (call_pop): Likewise defer to call.
2947 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2949 * function.c (purge_addressof): Clear purge_addressof_replacements
2950 only after processing the whole function.
2952 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2954 * reload1.c (reload): If we can not perform a particular elimination
2955 when we thought we could earlier, then we must always iterate through
2956 the loop at least one more time.
2958 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2960 * alpha.c (add_operand): Simplify the CONST_INT match.
2961 (sext_add_operand): Correct typo in comparison by using
2962 CONST_OK_FOR_LETTER_P.
2963 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2964 constant alternatives to be generated.
2965 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2966 small constants, since the hw instructions do.
2968 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2970 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2971 previous insn to store directly into our reload register, make sure
2972 that if the source of the previous insn is a reload register, its
2973 spill_reg_store and spill_reg_stored_to values are cleared.
2975 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2977 * rs6000.md (floatunssidf2_internal splitter): Use base register
2978 operand, not hard-coded SP.
2980 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2982 * jump.c (calculate_can_reach_end): Fix thinko.
2984 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2986 * reorg.c (fill_simple_delay_slots): Fix typo.
2988 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2990 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2992 * i386.md (extendsidi2): Use # in the output template.
2993 (extendsidi splitters): New splitters.
2995 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2997 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2999 * configure: Regenerate.
3001 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3003 * jump.c (init_label_info, delete_barrier_successors,
3004 mark_all_labels, delete_unreferenced_labels,
3005 delete_noop_moves, calculate_can_reach_end): New functions broken
3006 out of jump_optimize.
3007 (jump_optimize): Use them.
3009 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3011 * except.c (expand_fixup_region_end): Make sure outer context labels
3012 are not issued in an inner context during cleanups.
3014 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3016 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3019 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3021 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3022 to expose this midpoint to CSE.
3024 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3026 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3028 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3030 * configure.in: Bring over gcc2 change of Nov 19 1997.
3032 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3034 * toplev.c (output_lang_identify): Make definition dependent on
3035 ASM_IDENTIFY_LANGUAGE.
3037 * print-rtl.c (spaces): Make static.
3039 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3041 * extend.texi: Clarify proper uses for register clobbers in asms.
3043 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3045 * recog.h (enum op_type): Define.
3046 (constrain_operands): Adjust prototype.
3047 (recog_op_type): Declare new variable.
3048 * recog.c (recog_op_type): New variable.
3049 (insn_invalid_p): Allow modifying an asm statement after reload.
3050 (extract_insn): Set up recog_op_type.
3051 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3052 Don't compute operand types, use recog_op_type.
3053 Use the information computed by extract_insn instead of the previous
3054 method of finding it by insn code number.
3055 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3056 * reorg.c (fill_slots_from_thread): Likewise.
3057 * reload1.c (reload_as_needed): Likewise.
3058 (gen_reload): Likewise.
3059 (inc_for_reload): Likewise.
3060 (reload_cse_simplify_operands): Likewise.
3061 Use the information computed by extract_insn instead of the previous
3062 method of finding it by insn code number.
3063 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3065 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3066 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3067 Use the information computed by extract_insn instead of the previous
3068 method of finding it by insn code number.
3069 * regmove.c (find_matches): Likewise. Change meaning of the return
3070 value to be nonzero if the optimization can be performed, zero if
3071 not. All callers changed.
3072 Shorten some variable names to fix formatting problems.
3073 (regmove_optimize): Shorten some variable names to fix formatting
3075 Use the information computed by extract_insn instead of the previous
3076 method of finding it by insn code number.
3077 * regclass.c (scan_one_insn): Likewise.
3078 (record_reg_classes): Don't compute operand types, use recog_op_type.
3079 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3080 recog_constraints instead.
3082 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3084 * rtl.h (flow2_completed): Declare.
3085 * flow.c (flow2_completed): Definition.
3086 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3089 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3091 * Makefile.in (libcpp.a): Ranlib libcpp.a
3093 * cppulp.c (user_label_prefix): Initialize.
3095 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3097 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3098 at a RETURN if current_function_sp_is_unchanging is set.
3100 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3102 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3104 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3106 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3107 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3108 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3109 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3110 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3111 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3113 (LIB_SPEC): Handle -mno-cyginw option.
3114 (LINK_SPEC): Handle -mdll.
3116 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3118 * reload.c (find_reloads): Fix test for usage by other reload
3119 to handle secondary reloads properly.
3121 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3123 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3124 intermediate structure which has exactly the members provided by
3125 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3126 static intermediate structure.
3128 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3129 from the intermediate structure. Do the same analogous fix in
3130 the case where ELIMINABLE_REGS is not defined.
3132 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3134 * pa.h (SELECT_SECTION): Fix thinko.
3136 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3138 * dwarf2out.c (output_call_frame_info): Comments on last change.
3140 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3142 * arm.c (add_constant): When taking the address of an item in the
3143 pool, get the mode of the item addressed.
3145 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3146 contain a SET or a PARALLEL, don't consider it for conditional
3149 Restore ABI compatibility for NetBSD.
3150 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3152 (RETURN_IN_MEMORY): Likewise.
3154 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3156 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3157 (m32r_output_block_move): Rewrite bytes < 4 handling.
3159 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * configure.in: Call AC_FUNC_VFORK.
3163 * collect2.c: Define VFORK_STRING as a printable string for
3164 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3165 defined, include vfork.h. If VMS is defined, define vfork()
3166 appropriately. Remove vfork check on USG, we're using autoconf.
3167 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3168 checking locally what string to pass.
3169 (scan_prog_file): Likewise.
3170 (scan_libraries): Likewise.
3172 * gcc.c: Remove vfork check on USG, we're using autoconf.
3173 Besides, no calls to vfork/fork occur in this file.
3175 * protoize.c: Likewise.
3177 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3179 * configure.in (DEFAULT_LINKER): renamed from LD
3180 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3181 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3182 * configure: rebuilt
3184 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3186 * BUGS: fix the regexp for `more' to find the appropriate node.
3187 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3189 * BUGS: added link to the WWW FAQ
3191 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3193 * version.c: Bump for snapshot.
3195 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3197 * From Christian Gafton:
3198 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3199 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3200 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3202 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3204 * c-common.c (c_get_alias_set): Allow all type-punning through
3205 unions. Don't get confused about the type of a bit-field, despite
3206 the antics of build_modify_expr.
3208 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3210 * fixinc.sco: Paramaterize #include_next values.
3211 * fixinc/fixinc.sco: Likewise.
3213 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3215 * toplev.c (rest_of_compilation): No longer set reload_completed.
3216 * reload1.c (reload): Set it here. Perform instruction splitting
3217 after reload has completed if we will be running the scheduler
3220 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3222 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3223 EH region if exceptions are enabled and we're performing cross
3225 (find_cross_jump): Exit loop if the insns are in different EH regions.
3227 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3229 * dwarf2out.c (output_call_frame_info): Use
3230 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3232 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3235 * c-common.c (check_format_info): Don't check for the 'x'
3236 format character twice, instead check for 'x' and 'X'
3238 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3240 * configure.in (assembler features): Also make gas is configured if
3241 we find it in the souce tree.
3243 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3245 * i386.c (i386_comp_type_attributes): Compare whether the
3246 attributes are defined, not their tree nodes.
3248 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3250 * configure.in (gxx_include_dir): bitten by autoconf quoting
3252 * configure: rebuilt
3254 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3256 * configure.in: Ignore non-absolute value in $AS.
3258 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3260 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3262 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3264 * configure.in (msdosdjgpp): Set exeext and target_alias.
3266 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3268 * flow.c (XNMALLOC): New macro.
3269 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3271 (add_edge, add_edge_to_label): New static functions.
3272 (free_bb_memory): New function.
3273 (flow_delete_insn): Delete function.
3274 (basic_block_drops_in): Delete variable.
3275 (find_basic_blocks): Allocate and initialize basic_block_head,
3276 basic_block_succ. Don't allocate basic_block_drops_in.
3277 Call free_bb_memory at the beginning.
3278 (find_basic_blocks_1): Don't do multiple passes.
3279 Delete code to compute basic_block_drops_in.
3280 After calling make_edges, mark blocks reached by current block live.
3281 Update test for unreachable live blocks.
3282 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3284 Simplify to call add_edge_to_label when a LABEL_REF is found.
3285 (make_edges): Simplify to call add_edge_to_label instead of
3286 mark_label_ref most of the time.
3287 Compute here whether control drops into the next block.
3288 (delete_unreachable_blocks): Return void. All callers changed.
3289 Delete unreachable blocks in reverse order.
3290 After deleting all unreachable blocks, renumber the remaining ones
3291 and update n_basic_blocks.
3292 (delete_block): Speed up deletion a bit.
3293 Don't set basic_block_drops_in for deleted blocks.
3294 (free_basic_block_vars): Don't free basic_block_drops_in.
3295 (life_analysis_1): Update to use new edge representation.
3296 (dump_flow_info): Delete code to print basic block info; call
3297 dump_bb_data instead.
3298 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3299 and uid_block_number.
3300 Simply copy the previously computed cfg.
3301 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3302 Print register lifetime information if LIVE_INFO is nonzero.
3303 * basic-block.h (dump_bb_data): Adjust prototype.
3304 * gcse.c (gcse_main): Update call to dump_bb_data.
3305 * rtl.h (free_bb_memory): Declare.
3306 * toplev.c (rest_of_compilation): Call free_bb_memory.
3308 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3309 (update_eliminable_offsets): Don't compute it.
3310 (set_initial_elim_offsets): Don't initialize it.
3311 Break out some code into set_initial_label_offsets so the rest of
3312 this function can be called from reload_as_needed.
3313 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3314 ELIMINABLE_REGS isn't.
3315 (set_initial_label_offsets): New function, broken out of
3316 set_initial_elim_offsets.
3317 (set_offsets_for_label): New function, broken out of set_label_offsets
3318 and reload_as_needed.
3319 (reload): Call the two new functions.
3320 (reload_as_needed): Call set_initial_elim_offsets instead of
3321 duplicating the code. Likewise for set_offsets_for_label.
3323 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3324 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3325 any hard reg, reg_reloaded_dead contains valid data.
3327 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3329 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3330 "stdcall" and "cdecl" attributes.
3332 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3334 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3335 handle deleted no-op moves of hard registers.
3336 * haifa-sched.c (update_flow_info): Likewise.
3338 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3340 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3341 of the sequences to reload the HILO register which do not actually
3344 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3346 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3348 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3350 * except.c (emit_eh_context): Make the EH context register stay alive
3351 at -O0 so stupid.c doesn't get confused.
3353 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3355 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3357 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3358 Jeffrey A Law (law@cygnus.com)
3360 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3361 (zero_extendsidi2): Use # in output template and handle completely by
3363 (zero_extend splitters): New define_splits.
3364 (ashiftrt_32): New pattern.
3366 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3368 * tree.c (append_random_chars): New fn.
3369 (get_file_function_name_long): Use it.
3371 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3373 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3374 (LIBCPP_OBJS): New. Add cppulp.o.
3375 (cppmain, fix-header): Depend on and use libcpp.a.
3376 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3377 of the individual object files.
3378 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3381 * cccp.c (user_label_prefix): New.
3382 (main): Set it off -f*leading-underscore.
3383 (special_symbol): Use it.
3384 * cpplib.c (special_symbol): Likewise.
3385 (cpp_handle_option): Handle -f*leading-underscore.
3386 * cppulp.c: New file.
3388 * output.h (user_label_prefix): Declare it.
3389 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3390 * toplev.c (f_options, main): Handle -f*leading-underscore.
3392 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3393 referencing USER_LABEL_PREFIX directly.
3394 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3395 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3396 * final.c (asm_fprintf): Use user_label_prefix instead.
3397 * arm/thumb.c (thumb_print_operand): Likewise.
3399 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3400 cpp wherever appropriate.
3402 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3404 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3405 specific compiler switches.
3407 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3409 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3412 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3414 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3415 structure which has exactly the members provided by EXTRA_SPECS.
3416 Xmalloc() the real `extra_specs', and initialize it from this
3417 intermediate structure.
3419 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3421 * mips.h (EXTRA_SPECS): Likewise.
3423 * sparc.h (EXTRA_SPECS): Likewise.
3425 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3427 * function.c (purge_addressof_1): Instead of aborting when a
3428 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3429 work just put the ADDRESSOF on stack. Otherwise remember all such
3430 successfull replacements, so that exactly the same replacements
3431 can be made on the REG_NOTEs. Remove the special case for CALL
3433 (purge_addressof_replacements): New variable.
3434 (purge_addressof): Clear it at end.
3436 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3438 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3439 (lang_init): Call check_newline always.
3440 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3441 cpp_start_read, set yy_cur and yy_lim to read from
3442 parse_in.token_buffer, so that we'll see the first #line
3444 * cpplib.c (cpp_start_read): finclude the main input file
3445 before processing -include/-imacros. Process -imacros and
3446 -include separately, and handle -include by stacking a
3447 buffer for the file in question as if it'd been #included.
3448 * toplev.c (documented_lang_options) Recognize -H when
3451 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3453 * cpplib.c: Merge do_once into do_pragma. Break file handling
3454 code out of do_include.
3455 Move append_include_chain, deps_output,
3456 file_cleanup, redundant_include_p, import_hash,
3457 lookup_import, add_import, read_filename_string, read_name_map,
3458 open_include_file, finclude, safe_read to cppfiles.c.
3459 Move prototypes for deps_output, append_include_chain,
3460 finclude to cpplib.h. Move definition of struct
3461 file_name_list there also.
3463 * cppfiles.c: New file. Contains all the above functions
3464 broken out of cpplib.c; also hack_vms_include_specification
3465 from cccp.c and find_include_file, a new function broken out of
3468 * Makefile.in (cppmain): Depend on cppfiles.o.
3469 (fix-header): Likewise.
3470 (cppfiles.o): New target.
3471 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3472 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3474 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3476 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3477 if pending_types is non-zero.
3478 (dwarfout_finish): Verify pending_types is zero before finishing.
3480 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3482 * expr.c (convert_move): Use shifts to perform the move if a
3483 suitable extend pattern cannot be found. Code written by
3484 Richard Henderson <rth@cygnus.com>.
3486 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3488 * regclass.c (renumber, regno_allocated): New static variables, moved
3489 out of allocate_reg_info.
3490 (allocate_reg_info): Move these two variables outside the function.
3491 Move code to free memory into new function free_reg_info.
3492 (free_reg_info): New function, broken out of allocate_reg_info.
3493 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3494 * rtl.h (allocate_reg_info): Don't declare.
3495 (free_reg_info): Declare.
3497 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3499 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3501 * toplev.c (compile_file): Temporarily revert last change.
3503 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3505 * c-typeck.c (convert_for_assignment): Parenthesize.
3507 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3509 * reload1.c (delete_output_reload): Avoid ambigous else.
3511 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3513 * toplev.c (compile_file): Call allocate_reg_info to free register
3515 * rtl.h (allocate_reg_info): Declare.
3517 * PROJECTS: Remove entry for local spilling.
3519 * final.c (cleanup_subreg_operands): New function.
3520 (final_scan_insn): Use it.
3521 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3523 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3524 operands when reload has finished.
3525 * reload.h (cleanup_subreg_operands): Declare..
3526 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3527 reload. Handled in reload itself.
3529 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3531 * reload1.c (verify_initial_offsets): New function.
3532 (reload): Call it after reload_as_needed. Also verify that the frame
3533 size stays constant during reload_as_needed.
3534 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3536 * reload.h (struct insn_chain): Add need_operand_change element.
3537 * reload1.c (new_insn_chain): Clear it.
3538 (calculate_needs_all_insns): Set it; don't overload need_reload.
3539 (reload_as_needed): Use it.
3541 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3542 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3543 and reload_address_index_reg_class.
3544 (find_reloads_address_1): Likewise.
3545 * reload.h (reload_address_base_reg_class,
3546 reload_address_index_reg_class): Don't declare.
3547 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3548 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3549 (used_spill_regs): Now static.
3550 (reload_address_base_reg_class, reload_address_index_reg_class,
3551 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3552 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3553 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3556 (init_reload): Delete code to compute base/index reg classes.
3557 (reload): Delete variable J.
3558 Delete code to manage basic_block_needs.
3559 Don't compute regs_explicitly_used.
3560 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3561 pseudo_previous_regs.
3562 Initialize bad_spill_regs_global.
3563 Don't call order_regs_for_reload here.
3564 Don't initialize spill_reg_order and n_spills.
3565 Don't forbid explicitly used regs to be used for spill regs.
3566 Change main loop to infinite loop, with explicit break statements.
3567 Make SOMETHING_CHANGED variable local to that loop.
3568 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3569 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3570 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3572 Don't call dump_needs.
3573 Delete code to reset potential_reload_regs.
3574 Delete code to terminate loop conditional on the global needs variables
3575 showing no further needs.
3576 (calculate_needs_all_insns): Return void. All callers changed.
3577 Initialize somehing_needs_elimination here, not in reload.
3578 Delete avoid_return_reg kludge.
3579 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3580 All callers changed.
3581 Initialize the group_mode and group_size elements of the arg CHAIN.
3582 Delete code to manage basic_block_needs.
3583 Operate on elements of CHAIN instead of global variables.
3584 Delete avoid_return_reg kludge.
3585 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3586 All callers changed.
3587 Operate on elements of CHAIN instead of global variables.
3588 Delete special SMALL_REGISTER_CLASSES code.
3589 Delete spill_failure code; now in new_spill_reg.
3590 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3591 All callers changed.
3592 Operate on elements of CHAIN instead of global variables.
3593 (maybe_mark_pseudo_spilled): New static function.
3594 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3595 All callers changed.
3596 Operate on elements of CHAIN instead of global variables.
3597 Call order_regs_for_reload here, not in reload.
3598 Initialize spill_reg_order and n_spills.
3599 Simplify test whether an asm insn is involved.
3600 Delete spill_failure code; now in new_spill_reg.
3601 Call maybe_mark_pseudo_spilled for everything marked as live in
3602 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3604 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3605 compiler from optimizing this function (now unused) away.
3606 Operate on elements of CHAIN instead of global variables.
3607 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3609 Operate on elements of CHAIN instead of global variables.
3610 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3611 take CHAIN arg. All callers changed.
3612 Operate on elements of CHAIN instead of global variables.
3613 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3614 CHAIN, NONGROUP args. Return void. All callers changed.
3615 Verify caller isn't trying to spill a pseudo.
3616 Simplify test for illegal reg, just use bad_spill_regs.
3617 Generate better error messages.
3618 Operate on elements of CHAIN instead of global variables.
3619 Mark spilled register in CHAIN's used_spill_regs element.
3620 Don't call spill_hard_reg.
3621 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3622 Mark spilled hard regs in bad_spill_regs_global.
3623 Mark affected pseudos in spilled_pseudos, but don't spill them.
3624 (ior_hard_reg_set): New static function.
3625 (finish_spills): Return int. All callers changed.
3626 Compute spill_reg_order, n_spills and spill_regs here. Also update
3627 regs_ever_live for regs used as spills.
3628 For every pseudo in spilled_pseudos, spill it and mark the previous
3629 hard reg it had in pseudo_previous_regs. Compute which hard regs
3630 arseudo): New static function.
3631 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3632 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3633 hard registers explicitly used across the current insn into the set.
3634 Compute hard_reg_n_uses taking only pseudos live across this insn
3636 Tweak sorting of potential_reload_regs.
3637 (compare_spill_regs): Delete function.
3638 (reload_as_needed): Don't sort the spill_regs array, it's computed
3639 in proper order in finish_spills.
3640 Delete avoid_return_reg kludge.
3641 Delete code to manage basic_block_needs.
3642 (allocate_reload_reg): Minor speed/readability tweaks.
3643 Operate on elements of CHAIN instead of global variables.
3644 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3645 Delete avoid_return_reg kludge.
3646 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3647 Delete unused label FAIL.
3648 (reload_combine): Replce reload_address_index_reg_class with
3650 Don't use used_spill_regs to determine information about lifetime of
3653 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3655 * toplev.c (display_help): Ignore empty target specific
3656 options, and if -W is also specified on the command line then
3657 display undocumented options.
3659 * config/arm/arm.c: Updated with changes in devo sources.
3660 * config/arm/arm.h: Updated with changes in devo sources.
3661 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3662 * config/arm/lib1thumb.asm: Add ELF support.
3664 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3666 * collect2.c (aix64_flag): New variable.
3667 (main, case 'b'): Parse it.
3668 (GCC_CHECK_HDR): object magic number must match mode.
3669 (scan_prog_file): Only check for shared object if valid header.
3670 Print debugging if header/mode mismatch.
3672 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3674 Added support for arm-elf-linux configuration, submitted by Philip
3675 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3676 code developed by Catherine Moore <clm@cygnus.com>. The following
3679 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3682 * configure: Regenerated.
3684 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3685 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3686 definitions conditional on their not having been already defined.
3688 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3689 and .type directives, and add "(PLT)" qualification to function
3692 * config/arm/linux.h: Deleted. This file is now superceeded by
3693 either linux-elf.h or linux-aout.h.
3695 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3696 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3698 Move definitions from old linux.h file here.
3700 * config/arm/elf.h: New file. Generic ARM/ELF support.
3702 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3704 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3706 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3707 using the 26bit APCS.
3709 * config/arm/unknown-elf.h: New file. Support for OS'es other
3710 than Linux with ELF.
3712 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3715 * config/arm/coff.h: Include aout.h for basic assembler macros.
3716 Add support for -mstructure_size_boundary=<n> command line option.
3718 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3719 command line option. Make macro definitions conditional on their
3720 not having been already defined.
3722 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3723 command line option.
3726 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3728 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3729 has been changed to not include a newline. Use this macro instead.
3730 (output_enumeral_list, const_value_attribute, name_attribute,
3731 comp_dir_attribute, prototyped_attribute, producer_attribute,
3732 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3733 dwarfout_file_scope_decl, generate_new_sfname_entry,
3734 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3735 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3737 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3739 * combine.c (subst): Process the inputs to a parallel asm_operands
3742 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3744 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3746 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3748 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3750 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3752 * version.c: Bump for snapshot.
3754 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3756 * stmt.c (expand_fixup): Set fixup->before_jump to a
3757 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3759 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3761 * Makefile.in (recog.o): Depend on toplev.h.
3762 (insn-emit.o): Depend on recog.h.
3763 (insn-peep.o): Depend on recog.h and insn-config.h.
3765 * combine.c (simplify_set): Remove unused variable `scratches'.
3767 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3768 and `idx' in macro conditional controlling their use.
3770 * genemit.c (main): Make the generated output file include
3771 recog.h. Don't have it declare `insn_operand_constraint', since
3772 we get it from recog.h.
3774 * genpeep.c (main): Make the generated output file include
3775 insn-config.h and recog.h.
3777 * recog.c: Include toplev.h.
3778 (extract_insn): Remove unused variable `p'.
3780 * regclass.c (fix_register): Add missing braces around initializer
3782 (allocate_reg_info): Move variable `i' into the scope where it is
3783 used. Change its type to `size_t'.
3785 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3787 * reload.c (push_reload): When merging reloads, make sure
3788 that reload_in_reg and reload_in are from the same reload in
3791 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3793 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3794 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3796 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3798 * loop.c (loop_has_tablejump): New variable.
3799 (prescan_loop): Scan for it.
3800 (insert_bct): Replace explicit scan with use of it.
3801 * regclass.c (regclass): Restore loop variable j.
3802 (record_reg_classes): Deterine op_types modifiers and initialize
3803 classes[i] before matching constraints. Handle matching
3806 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3808 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3811 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3813 * mips.h (EXTRA_SPECS): Add missing initializers.
3815 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3817 * sparc.h (EXTRA_SPECS): Add missing initializers.
3818 (sparc_defer_case_vector): Provide a prototype.
3820 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3821 comparing it to the result of a pointer subtraction.
3823 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3825 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3826 the argument to (unsigned char).
3828 * alpha.h (EXTRA_SPECS): Add missing initializers.
3829 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3832 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3834 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3835 (propagate_block): Delete dead code after reload.
3837 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3838 back Oct 15, 1998 change.
3839 * haifa-sched.c (update_flow_info): Likewise.
3840 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3842 * mn10200.md (truncated shift): Accept constant inputs too.
3844 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3846 * machmode.h (mode_mask_array): No longer const.
3847 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3849 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3851 * frame.c: Somewhat explain `FDE'.
3852 Suggested by Brendan Kehoe
3854 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3856 * expr.c (pending_chain): Move up.
3857 (save_expr_status): Do save pending_chain.
3858 (restore_expr_status): And restore it.
3859 * function.h (struct function): Add pending_chain.
3861 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3863 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3864 did not match the code.
3866 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3868 * regclass.c (regclass): Break out some code into new function
3869 scan_one_insn, and into regclass_init.
3870 (init_cost): New static variable, moved out of regclass.
3871 (regclass_init): Initialize it here, not in .
3872 (scan_one_insn): New static function, broken out of regclass.
3873 * recog.c (apply_change_group): Break out some code into new
3874 function insn_invalid_p.
3875 (insn_invalid_p): New static fn, broken out of apply_change_group.
3877 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3879 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3880 reg_reloaded_contents matches incremented pseudo.
3882 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3884 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3886 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3887 addressing modes with side effects. These are currently
3888 placeholders for the C4x target.
3890 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3892 * loop.c (express_from): Make sure that when generating a PLUS of
3893 a PLUS, any constant expression appears on the outermost PLUS.
3895 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3897 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3898 works if "$(srcdir)" != ".".
3900 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3902 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3903 existing SUBREG if we can, otherwise abort.
3905 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3907 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3908 `restrict' is applied to a non-pointer variable.
3910 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3912 * invoke.texi: Document -flang-isoc9x.
3914 * Makefile.in (OBJS): Add splay-tree.o.
3915 (c-common.o): Depend on rtl.h.
3916 (splay-tree.o): List dependencies and provide build rule.
3918 * rtl.h (record_alias_subset): New function.
3919 * alias.c: Include splay-tree.h.
3920 (alias_set_entry): New type.
3921 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3922 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3923 (mems_in_disjoin_alias_sets_p): New function.
3924 (alias_set_compare): Likewise.
3925 (insert_subset_children): Likewise.
3926 (get_alias_set_entry): Likewise.
3928 * tree.h (TYPE_RESTRICT): New macro.
3929 (TYPE_UNQUALIFIED): New manifest constant.
3930 (TYPE_QUAL_CONST): Likewise
3931 (TYPE_QUAL_VOLATILE): Likewise.
3932 (TYPE_QUAL_RESTRICT): Likewise.
3933 (tree_type): Add restrict_flag. Reduce count of free bits.
3934 (DECL_POINTER_ALIAS_SET): New macro.
3935 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3936 (tree_decl): Add pointer_alias_set.
3937 (build_qualified_type): New function.
3938 (build_type_variant): Define in terms of build_qualified_type.
3939 * tree.c (set_type_quals): New function.
3940 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3941 (build_type_attribute_variant): Use build_qualified_type and
3943 (build_type_variant): Rename, and modify, to become...
3944 (build_qualified_type): New function.
3945 (build_complex_type): Use set_type_quals.
3947 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3948 (C_TYPE_FUNCTION_P): Likewise.
3949 (C_TYPE_INCOMPLETE_P): Likewise.
3950 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3951 (c_apply_type_quals_to_decl): New function.
3952 (c_build_qualified_type): New function.
3953 (c_build_type_variant): Define in terms of c_build_qualified_type.
3954 (flag_isoc9x): Declare.
3955 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3956 (common_type): Change to use TYPE_QUALS.
3957 (comptypes): Likewise.
3958 (convert_for_assignment): Likewise.
3959 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3960 * c-decl.c (flag_isoc9x): Define.
3961 (c_decode_option): Handle -flang-isoc9x.
3962 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3963 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3964 * c-lex.c (init_lex): Deal with restrict.
3965 (init_lex): Don't treat restrict as a reserved word in
3966 -traditional mode, or without -flang-isoc9x.
3967 * c-lex.h (rid): Add RID_RESTRICT.
3968 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3969 equivalent to RID_RESTRICT.
3970 * c-parse.in (TYPE_QUAL): Update comment.
3971 * c-common.c: Include rtl.h.
3972 (c_find_base_decl): New function.
3973 (c_build_type_variant): Rename, and modify, to become ...
3974 (c_build_qualified_type): New function.
3975 (c_apply_type_quals_to_decl): Likewise.
3976 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3977 a particular alias set for the reference.
3978 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3980 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3982 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3983 command line switches.
3985 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3987 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3990 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3992 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3994 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3996 * regclass.c (fix_register): Add error message.
3997 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4000 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4002 * c-decl.c (warn_missing_noreturn): New global variable.
4003 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4004 (finish_function): Implement missing noreturn warning.
4006 * c-tree.h (warn_missing_noreturn): Declare extern.
4008 * invoke.texi: Document new flags.
4010 * toplev.c (documented_lang_options): Add description.
4012 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4014 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4015 loop optimization stable for the C4x.
4016 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4017 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4018 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4020 (c4x_address_conflict): Be more paranoid when packing a volatile
4021 memref in a parallel load/store.
4023 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4025 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4026 repeat_block_filler): Deleted.
4027 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4028 Condition code not set if destination register from 'c' class.
4029 (*subbqi3_carry_clobber): Fix typo.
4031 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4033 * reorg.c (steal_delay_list_from_target) Check for insns that
4034 modify the condition codes and effect the direction of the jump
4037 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4039 * function.c (purge_addressof_1): Replace call to
4040 emit_insns_before() with emit_insn_before().
4042 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4044 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4046 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4048 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4050 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4052 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4053 clobbered across calls.
4055 * loop.c (scan_loop): Be more selective about what invariants are
4056 moved out of a loop.
4058 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4060 * version.c: Bump for snapshot.
4062 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4064 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4065 static eh_context structure.
4067 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4069 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4071 (try_combine): Don't update max_scratch.
4072 * flow.c (max_scratch, num_scratch): Delete variables.
4073 (life_analysis_1): Don't initialize max_scratch.
4074 (propagate_block): Don't update max_scratch.
4075 (mark_set_1): Don't increment num_scratch.
4076 * regs.h (max_scratch): Delete declaration.
4078 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4080 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4081 is nonzero. This is temporary!
4083 * sched.c (update_flow_info): Handle death notes made invalid by
4084 instruction splitting. Partially reverts Oct 15, 1998 patch.
4085 * haifa-sched.c (update_flow_info): Likewise.
4087 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4089 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4090 if it has a nonzero DECL_INITIAL.
4092 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4094 * Makefile.in (flow.o): Depend on recog.h.
4096 * cpplib.h (directive_table): Add missing initializiers.
4097 (finclude): Change type of variable `bsize' to size_t.
4099 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4101 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4103 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4104 `int' when comparing against one.
4105 (cpp_file_line_for_message): Mark parameter `pfile' with
4107 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4109 * flow.c: Include recog.h.
4110 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4112 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4113 `f' with ATTRIBUTE_UNUSED.
4114 (reposition_prologue_and_epilogue_notes): Likewise.
4116 * genopinit.c (gen_insn): Cast argument of ctype functions to
4119 * haifa-sched.c: Include recog.h.
4120 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4121 comparing against one.
4123 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4125 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4127 (parse_ent): Likewise.
4128 (parse_input): Likewise.
4130 * optabs.c (init_libfuncs): Likewise.
4132 * protoize.c (find_rightmost_formals_list): Likewise.
4134 * recog.h (const_double_operand): Fix typo in prototype.
4136 * tlink.c (scan_linker_output): Cast the argument of ctype
4137 function to `unsigned char'.
4139 * toplev.c (check_lang_option): Cast the result of `strlen' to
4140 `int' when comparing against one.
4142 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4144 * gcse.c (dump_cuid_table): Correct typo.
4146 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4148 * toplev.c (display_help): Prepend '-m' to target specific
4150 (check_lang_option): Ignore text after end of first word of a
4151 language specific option.
4153 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4155 * reload1.c (reg_used_by_pseudo): New static variable.
4156 (choose_reload_regs): Initialize it.
4157 Use it instead of testing spill_reg_order to determine whether a
4158 pseudo is live in a hard register across the current insn.
4159 Fix a typo in a reference to reload_reg_rtx.
4161 * flow.c (propagate_block): Replace code that computes and uses
4162 regs_sometimes_live with simpler code that just walks the set of
4163 currently live registers.
4165 * Makefile.in (insn-extract.o): Fix dependencies.
4166 * genextract.c (main): Generate includes for insn-config.h and
4168 Delete generation of declarations which are now in recog.h.
4169 * genrecog.c (main): Delete generation of definitions which are
4171 * local-alloc.c (block_alloc): Use extract_insn and the variables
4172 it sets up instead of looking up values by insn_code.
4173 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4174 recog_dup_num): Define here instead of generating the definition in
4176 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4177 recog_operand_mode, recog_constraints, recog_operand_address_p):
4179 (extract_insn): New function.
4180 * recog.h (extract_insn): Declare function.
4181 (which_alternative, recog_n_operands, recog_n_dups,
4182 recog_n_alternatives, recog_operand_mode, recog_constraints,
4183 recog_operand_address_p): Declare variables.
4184 * regclass.c (n_occurrences): New static function.
4185 * reload.c (n_occurrences): Delete function.
4186 (find_reloads): Use extract_insn.
4187 * reload.h (n_occurrences): Delete declaration.
4189 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4191 * reload1.c (reload_as_needed): Fix test for when to call
4192 update_eliminable_offsets.
4194 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4196 Fix consistency problems with reg_equiv_{mem,address};
4197 Improve reload inheritance;
4199 * reload.c (reload_out_reg): New variable.
4200 (loc_mentioned_in_p, remove_address_replacements): New functions.
4201 (remove_replacements): Deleted.
4202 (push_reload): Set reload_out_reg[i].
4203 When merging, also set reload_{in,out}_reg[i], and remove
4204 duplicate address reloads.
4205 (combine_reloads): Copy reload_out_reg[i].
4206 (find_reloads): Do make_memloc substitution also when
4207 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4209 Include *recog_operand_loc in commutativity operand changes.
4210 Generate optional output reloads.
4211 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4212 processing operands. Call make_memloc in reg_equiv_address code.
4213 Set *recog_operand_loc only after processing operands, and only
4214 if replace is true. Return a value.
4215 When changing address reload types for operands that didn't get
4216 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4217 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4218 Don't emit USEs for pseudo SUBREGs when not replacing.
4219 (find_reloads_address): Do make_memloc substitution also when
4220 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4222 (find_reloads_toplev): Likewise.
4223 Call make_memloc in reg_equiv_address code.
4224 (debug_reload_to_stream): Add code to output reload_out_reg.
4225 (make_memloc): Delete local variable i, ifdefed out code, and
4226 references to memlocs and n_memlocs.
4227 (memlocs, n_memlocs): Delete.
4228 (push_secondary_reload): Clear reload_out_reg.
4229 (find_reloads_address_1): Provide memrefloc argument to all calls
4230 to find_reloads_address.
4231 In AUTO_INC code, handle non-directly addressable equivalences properly.
4232 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4233 (find_reloads): Add return type.
4234 (remove_address_replacements, deallocate_reload_reg): Declare.
4235 * reload1.c (num_not_at_initial_offset): No longer static.
4236 (delete_address_reloads, delete_address_reloads_1): Likewise.
4237 (deallocate_reload_reg): New function.
4238 (spill_reg_stored_to): New array.
4239 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4240 (eliminate_regs_in_insn): Move assignments of previous_offset and
4241 max_offset fields, and recalculation of num_not_at_initial_offset
4242 into new static function:
4243 (update_eliminable_offsets) .
4244 (reload_as_needed): Call update_eliminable_offsetss after calling
4246 Call forget_old_reloads_1 with contents of reloaded auto_inc
4247 expressions if the actual addressing can't be changed to match the
4249 (choose_reload_regs): For inheritance, replace
4250 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4251 remove stand-alone reload_reg_used_at_all test.
4252 Use reload_out_reg to determine which reload regs have output reloads.
4253 Treat reload_override_in more similar to inherited reloads.
4254 Handle (subreg (reg... for inheritance.
4255 For flag_expensive_optimizations, add an extra pass to remove
4256 unnecessary reloads from known working inheritance.
4257 Delete obsolete code for pseudos replaced with MEMs.
4258 Handle inheritance from auto_inc expressions.
4259 (emit_reload_insns): If reload_in is a MEM, set OLD to
4261 Don't reload directly from oldequiv; if it's a pseudo with a
4262 stack slot, use reload_in[j].
4263 Check that reload_in_reg[j] is a MEM before replacing reload_in
4264 from reg_reloaded_contents.
4265 Include non-spill registers in reload inheritance processing.
4266 Also try to use reload_out_reg to set spill_reg_store /
4267 reg_last_reload_reg.
4268 In code to set new_spill_reg_store, use single_set to find out if
4269 there is a single set.
4270 Add code that allows to delete optional output reloads.
4271 Add code to allow deletion of output reloads that use no spill reg.
4272 At the end, set reload_override_in to oldequiv.
4273 Also call delete_output_reload if reload_out_reg is equal to old
4275 Add code to call delete_output_reload for stores with no matching load.
4276 Set / use spill_reg_stored_to.
4277 Handle case where secondary output reload uses a temporary, but
4278 actual store isn't found.
4279 When looking for a store of a value not loaded in order to call
4280 delete_output_reload, count_occurences should return 0 for no
4281 loads; but discount inherited input reloadill_reg_stored_to.
4282 Do checks for extra uses of REG. Changed all
4284 Use delete_address_reloads.
4285 (reload): Take return value of find_reloads into account.
4286 If a no-op set needs more than one reload, delete it.
4287 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4288 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4289 for the same operand.
4290 (clear_reload_reg_in_use): Check for other reloads that keep a
4292 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4293 RELOAD_FOR_OPADDR_ADDR.
4294 Take into account when an address address reload is only needed
4295 for the address reload we are considering.
4296 (count_occurrences): Use rtx_equal_p for MEMs.
4297 (inc_for_reload): Return instruction that stores into RELOADREG.
4298 New argument two, IN, and rtx. Changed all callers.
4299 (calculate_needs_all_insns, reload_as_needed):
4300 Don't clear after_call for a CLOBBER.
4301 Keep track of how many hard registers need to be copied from
4302 after_call, and don't clear after_call before we have seen
4303 that much copies, or we see a different instruction.
4305 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4307 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4308 after reload has completed.
4310 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4312 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4313 a macro name and the next token with a single blank if that whitespace
4314 is in a macro buffer and the next token is not '('.
4316 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4318 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4320 (skip_if_group): Ditto.
4321 (skip_to_end_of_comment): Ditto.
4323 (discard_comments): Ditto.
4324 (change_newlines): Ditto.
4326 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4328 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4330 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4332 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4333 (TARGET_OPTIONS): Add --help documentation.
4335 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4337 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4339 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4341 * fixinc/* Moved in from ../contrib directory in preparation
4342 for integrating it into the normal build process. In particular,
4343 fixinc/Makefile.in must be config-ed into the build directory
4344 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4345 ./configure.in will be "in the mail" momentarily.
4347 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4349 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4350 accidently walk into the free list. Comment how that can happen.
4351 (invalidate): Fix indentation.
4353 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4354 Jeffrey A Law (law@cygnus.com)
4356 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4357 reload. Never perform rescans of the insn chain after reload.
4358 (propagate_block): Do not delete insn or create new autoinc addressing
4361 * jump.c (jump_optimize): Unconditionally use the code that was
4362 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4363 * reload1.c (reload): When reloading is finished, delete all
4364 REG_DEAD and REG_UNUSED notes.
4365 (emit_reload_insns): Delete all code that was conditional on
4366 PRESERVE_DEATH_INFO_REGNO_P.
4367 (no_longer_dead_regs): Delete variable.
4368 (reload_cse_delete_death_notes): Delete function.
4369 (reload_cse_no_longer_dead): Delete function.
4370 (reload_cse_regs_1): Delete all code to handle deletion of death
4372 (reload_cse_noop_set_p): Likewise.
4373 (reload_cse_simplify_set): Likewise.
4374 (reload_cse_simplify_operands): Likewise.
4375 (reload_cse_move2add): Likewise.
4376 * reorg.c (used_spill_regs): Delete declaration.
4377 (max_label_num_after_reload): Delete declaration.
4378 (find_dead_or_set_registers): Don't assume that spill regs are
4379 dead at a CODE_LABEL.
4380 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4382 * sched.c (sched_analyze_insn): Likewise.
4383 (update_flow_info): Likewise.
4384 * haifa-sched.c (sched_analyze_insn): Likewise.
4385 (update_flow_info): Likewise.
4386 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4387 * toplev.c (max_label_num_after_reload): Delete variable.
4388 (rest_of_compilation): Don't set max_label_num_after_reload.
4389 Call life_analysis after reload_cse_regs if optimizing.
4390 * config/gmicro/gmicro.h: Delete comment referring to
4391 PRESERVE_DEATH_INFO_REGNO_P.
4392 * config/i386/i386.h: Likewise.
4393 * config/m88k/m88k.h: Likewise.
4394 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4395 * config/sh/sh.h: Likewise.
4397 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4399 * loop.c (strength_reduce): Restore marking bct_p as
4401 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4402 HAVE_decrement_and_branch_on_count.
4403 (small_data_operand): Remove TARGET_ELF condition for marking
4404 parameters ATTRIBUTE_UNUSED.
4406 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4408 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4409 (SELECT_SECTION): Resync with svr4.h.
4411 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4413 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4416 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4418 * c-pragma.c (handle_pragma_token): Test for null tree before
4419 dereferencing TREE_CODE.
4421 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4423 * config/c4x/c4x.c: Convert to use GEN_INT.
4424 (c4x_parallel_process): Rework to handle new repeat loop structure.
4426 * config/c4x/c4x.md: Convert to use GEN_INT.
4427 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4428 (decrement_and_branch_on_count): Likewise.
4430 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4431 loop.c has the desired functionality.
4432 (rc_reg_operand): New prototype.
4434 * config/c4x/t-c4x: Can now build all front ends.
4436 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4438 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4440 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4442 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4443 * config/t-rtems: Do not install assert.h -- use newlib's.
4445 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4447 * combine.c (combine_instructions): When finished, call init_recog.
4448 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4450 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4452 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4454 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4456 * cppalloc.c (memory_full): Mark function prototype with
4459 * demangle.h (collect_exit): Likewise.
4461 * fix-header.c (v_fatal, fatal): Likewise.
4463 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4466 * gcov.c (print_usage): Likewise.
4468 * genattr.c (fatal, fancy_abort): Likewise.
4470 * genattrtab.c (fatal, fancy_abort): Likewise.
4472 * gencodes.c (fatal, fancy_abort): Likewise.
4474 * genconfig.c (fatal, fancy_abort): Likewise.
4476 * genemit.c (fatal, fancy_abort): Likewise.
4478 * genextract.c (fatal, fancy_abort): Likewise.
4480 * genflags.c (fatal, fancy_abort): Likewise.
4482 * genopinit.c (fatal, fancy_abort): Likewise.
4484 * genoutput.c (fatal, fancy_abort): Likewise.
4486 * genpeep.c (fatal, fancy_abort): Likewise.
4488 * genrecog.c (fatal, fancy_abort): Likewise.
4490 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4491 __sjpopnthrow, __throw): Likewise.
4493 * objc/objc-act.c (objc_fatal): Likewise.
4495 * protoize.c (usage, aux_info_corrupted,
4496 declare_source_confusing): Likewise.
4498 * rtl.c (dump_and_abort): Likewise.
4500 * rtl.h (sets_cc0_p): Likewise.
4502 * toplev.c (float_signal, pipe_closed): Likewise.
4504 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4506 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4507 when generating the decision tree for the general case.
4509 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4510 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4512 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * Makefile.in (sched.o): Depend on recog.h.
4516 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4517 (unsigned) when comparing against one.
4518 (find_base_value): Likewise.
4519 (record_base_value): Cast variable `regno' to (unsigned) when
4520 comparing against one. Cast the result of REGNO() macro to
4521 (unsigned) when comparing against one.
4522 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4524 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4525 variable where an unsigned index is needed.
4527 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4528 before comparing against one.
4530 * collect2.c: Add prototypes for functions `error', `fatal' and
4531 `fatal_perror'. Make these functions take variable arguments
4532 instead of faking it with a fixed number of args.
4533 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4536 * combine.c (can_combine_p): Mark parameter `pred' with
4538 (find_split_point): Cast variable `src' to (unsigned
4539 HOST_WIDE_INT) when comparing against one.
4540 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4541 (simplify_logical): Likewise.
4542 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4543 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4544 HOST_WIDE_INT) in shift.
4545 (simplify_and_const_int): Cast result of INTVAL() macro to
4546 `unsigned HOST_WIDE_INT' when comparing against one.
4547 (merge_outer_ops): Cast variable const0 to `unsigned
4548 HOST_WIDE_INT' when comparing against the result of
4549 GET_MODE_MASK() macro.
4550 (simplify_comparison): Likewise for variable `c0'. Cast variable
4551 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4552 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4553 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4554 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4555 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4556 comparing against one.
4557 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4559 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4560 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4561 (output_block_move): Cast `sizeof' expression to (int) when
4562 comparing against one.
4563 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4565 (save_restore_insns): Cast `base_offset' to `long' to match format
4566 specifier in fprintf.
4568 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4569 to `enum machine_mode'.
4571 * flow.c (life_analysis_1): Remove unused variable `insn'.
4573 * gcc.c (translate_options): Move variables `j' and `k' into the
4574 scope in which they are used. Change their types to `size_t'.
4575 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4576 (read_specs): Likewise.
4577 (process_command): Cast `sizeof' to (int) when comparing against one.
4578 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4579 (handle_braces): Cast both sides of `==' expression to `long' to
4580 ensure sign matching.
4581 (main): Cast variable `i' to `int' when comparing against one.
4583 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4584 int to size_t. Cast variable `i' to size_t when comparing against
4587 * genattrtab.c (convert_set_attr_alternative): Remove unused
4588 parameter `insn_code'. All callers changed.
4589 (convert_set_attr): Likewise.
4591 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4592 size_t when comparing against one. Likewise for variable `len'.
4594 * global.c (global_alloc): Cast variable `max_regno' to size_t
4595 when comparing against one. Likewise for variable `max_allocno'.
4597 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4599 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4600 `set' with ATTRIBUTE_UNUSED.
4601 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4604 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4605 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4606 (get_condition): Cast variable `const_val' to `unsigned
4607 HOST_WIDE_INT' when comparing against one. Cast unsigned
4608 expression to HOST_WIDE_INT when comparing against one.
4609 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4610 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4611 `unsigned' when comparing against one.
4613 * protoize.c (is_id_char): Change type of parameter `ch' to
4615 (munge_compile_params): Cast argument of ctype macro to (const
4617 (process_aux_info_file): Cast variable `aux_info_size' to int when
4618 comparing against one.
4619 (forward_to_next_token_char): Cast argument of ctype macro to
4620 `const unsigned char'.
4621 (edit_formals_lists): Likewise.
4622 (find_rightmost_formals_list): Likewise.
4623 (add_local_decl): Likewise.
4624 (add_global_decls): Likewise.
4625 (edit_fn_definition): Likewise.
4626 (do_cleaning): Likewise.
4627 (scan_for_missed_items): Likewise.
4628 (edit_file): Cast variable `orig_size' to (int) when comparing
4630 (main): Cast argument of ctype macro to `const unsigned char'.
4632 * recog.c (const_int_operand): Mark parameter `mode' with
4635 * regclass.c (record_reg_classes): Change type of variable `c' to
4636 `unsigned char'. Cast `char' array index to `unsigned char'.
4638 * reload.c (push_secondary_reload): Cast argument to
4639 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4641 * reload1.c (calculate_needs): Cast `char' array index to
4643 (set_label_offsets): Change type of variable `i' to unsigned int.
4644 Cast result of XVECLEN() macro to unsigned when comparing against
4646 (mark_not_eliminable): Change type of variable `i' to unsigned.
4647 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4648 when comparing against one.
4649 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4650 comparing against one.
4651 (choose_reload_regs): Hide unused label `fail'.
4652 (reload_cse_simplify_operands): Cast `char' array index to
4654 (reload_combine_note_store): Mark parameter `set' with
4655 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4657 (reload_cse_move2add): Remove unused variable `src2'.
4659 * sched.c: Include recog.h.
4660 (sched_note_set): Remove unused parameter `b'. All callers
4662 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4663 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4664 when comparing against one.
4666 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4667 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4668 comparing against one.
4670 * unroll.c (precondition_loop_p): Remove unused parameter
4671 `loop_end'. All callers changed.
4673 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4675 * reload1.c (maybe_fix_stack_asms): New static function.
4678 * reload.h (compute_use_by_pseudos): Declare.
4680 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4681 (something_needs_reloads): Delete variable.
4682 (finish_spills): New function.
4683 (compute_use_by_pseudos): New function.
4685 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4686 Use the reload_insn_chain instead of walking the rtl directly.
4688 (reload): Allocate and free spilled_pseudos.
4689 Ensure that all calls of spill_hard_reg are followed by a call to
4691 Use the insns_need_reload list instead of something_needs_reloads
4692 to find out if reload_as_needed must be called.
4693 Clear unused_insn_chains at the end.
4695 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4697 Delete code to keep track of current basic block.
4698 Walk reload_insn_chain instead of the rtl structure. Build the
4699 insns_need_reload chain.
4700 Remember which insns need reloading/elimination by setting the
4701 appropriate fields in struct insn_chain, not by putting modes on the
4704 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4705 arg INSN. All callers changed.
4706 Delete declaration of struct needs.
4707 Don't set something_needs_reloads.
4708 Record insn needs in the CHAIN argument.
4710 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4712 (reload_as_needed): Lose FIRST arg. All callers changed.
4713 Walk the reload_insn_chain instead of the rtx structure.
4714 Delete code to keep track of current basic block.
4715 Rename one of the NEXT variables to OLD_NEXT.
4717 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4719 (choose_reload_regs): Likewise.
4721 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4724 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4725 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4726 (hard_regs_live, hard_regs_need_restore): Delete variables.
4727 (n_regs_saved): Now static.
4728 (referenced_regs, this_insn_sets): New variables.
4730 (setup_save_areas): Restructure the code a bit.
4732 (restore_referenced_regs): Delete function.
4733 (mark_referenced_regs): New function, similar to the old
4734 restore_referenced_regs, but mark registers in referenced_regs.
4736 (clear_reg_live): Delete function.
4737 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4738 Only mark registers in this_insn_sets.
4740 (save_call_clobbered_regs): Rework this function to walk the
4741 reload_insn_chain instead of using the list of instructions directly.
4742 Delete code to keep track of register lives, compute live regs on the
4743 fly from information in the chain.
4744 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4745 then walk the set it computes and call insert_restore as appropriate.
4747 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4749 Restructure the code a bit. Test hard_regs_saved instead of
4750 hard_regs_need_restore.
4751 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4752 args. All callers changed.
4753 Restructure the code a bit. Use TO_SAVE to determine which regs to
4754 save instead of more complicated test.
4755 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4757 Create a new insn_chain structure for the new insn and place it
4760 * rtl.texi: Update documentation to reflect that reload no longer
4761 puts modes on the insns.
4763 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4765 * function.c (purge_addressof_1): Force the first argument of a
4766 CALL insn to memory.
4768 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4770 * rtl.h: Delete duplicate prototypes. Add some missing
4772 * rtlanal.c: (for_each_rtx): Formatting tweak.
4774 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4776 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4777 to be compatible with TI compiler.
4779 * Makefile.in (USER_H): Add va-c4x.h to definition.
4781 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4783 * function.c (purge_addressof_1): Fix typo in inequality: do
4784 bitfield optimization for equal mode sizes.
4785 * expmed.c (store_bit_field): Don't take subregs of subregs in
4786 the movstrict case. Tidy a potential problem in the multi-word case.
4787 (extract_bit_field): Likewise.
4789 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4791 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4793 Compute max_uid_for_flow by calling get_max_uid after the scan.
4794 (find_basic_blocks_1): Don't emit NOPs here.
4796 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4798 * alias.c (base_alias_check): Accept new args for the modes of the
4799 two references. Use them to determine if an AND can overlap. Update
4801 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4802 to determine if an AND can overlap.
4804 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4806 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4807 check. Add comment to document problems with TARGET_SUN_FPA version
4809 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4811 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4813 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4815 * c-common.c (print_char_table): Add missing initializers.
4816 (scan_char_table): Likewise.
4817 (time_char_table): Likewise.
4819 * c-decl.c (c_decode_option): Mark parameter `argc' with
4821 (declare_parm_level): Mark parameter `definition_flag' with
4824 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4825 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4828 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4830 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4832 (expand_call): Cast result of MIN() to (unsigned int) when
4833 comparing against an unsigned value.
4835 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4837 (make_definition): Remove unused parameter `op'. All callers
4839 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4840 comparing against the result of pointer arithmetic.
4842 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4843 when comparing against one.
4845 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4846 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4848 (output_die): Move variable `i' into the scope in which it is
4849 used. Change its type to `unsigned'.
4850 (output_die): Cast the result of `strlen' to (int) when passing it
4851 to ASM_OUTPUT_ASCII().
4852 (output_pubnames): Likewise.
4853 (output_line_info): Likewise.
4855 * emit-rtl.c (global_rtl): Add missing initializers.
4857 * explow.c (promote_mode): Mark parameter `for_call' with
4860 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4861 `unsigned HOST_WIDE_INT' when comparing against one.
4862 (synth_mult): Change type of variable `cost' to int.
4863 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4865 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4866 when comparing against one.
4867 (get_inner_reference): Change variable `alignment' to unsigned.
4868 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4869 int) when comparing against one.
4870 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4872 * fold-const.c (div_and_round_double): Cast BASE to
4873 (HOST_WIDE_INT) when comparing against one.
4875 * gencheck.c: Include gansidecl.h.
4876 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4878 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4879 `tcode' with ATTRIBUTE_UNUSED.
4881 * real.c (edivm): Cast constant value to (unsigned long) in
4882 expression compared against an unsigned value.
4884 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4885 comparing against one.
4886 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4887 when comparing against one.
4889 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4890 (unsigned int) when comparing against one. Likewise for
4892 (smallest_mode_for_size): Likewise.
4893 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4894 (restore_storage_status): Likewise.
4896 * toplev.c (debug_args): Add missing initializer.
4897 (f_options): Spelling correction. Add missing initializers.
4898 (documented_lang_options): Likewise.
4899 (debug_end_source_file): Mark parameter `lineno' with
4902 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4903 `decl' and `type' with ATTRIBUTE_UNUSED.
4905 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4906 when comparing against one.
4907 (assemble_variable): Mark parameter `top_level' with
4909 (assemble_external_libcall): Mark parameter `fun' with
4911 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4914 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4916 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4917 Replace use of r5 with use of r19.
4919 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4921 * config/v850/v850.c (compute_register_save_size): Allow for the
4922 fact that helper functions save all registers, not just those used
4925 Replace constant 31 with macro LINK_POINTER_REGNUM.
4927 * config/v850/v850.md: Use 'indirect_operand' rather than
4928 'memory_operand' for bit test/set/clear patterns.
4930 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4932 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4933 * varasm.c (assemble_start_function et al): Don't call
4934 ASM_GLOBALIZE_LABEL for weak symbols.
4936 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4938 * cse.c (equiv_constant): Check for NULL return from
4939 gen_lowpart_if_possible().
4941 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4943 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4945 * collect2.c (main): Pass -EL/-EB through to the compiler.
4947 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4949 * expr.c (push_block): Handle targets where the stack grows
4950 to higher addresses, but args grow to lower addresses and
4951 ACCUMULATE_OUTGOING_ARGS is not defined.
4953 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4955 * config/v850/v850.c (print_operand): Extend meaning
4956 of 'c' operands to support .vtinherit.
4958 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4960 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4961 Added ATTRIBUTE_UNUSED to unused function arguments.
4962 (rc_reg_operand): New predicate.
4963 (c4x_rptb_insert): New function.
4964 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4965 (c4x_optimization_options): New function.
4967 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4968 (decrement_and_branch_on_count): New pattern.
4969 (rptb_top): Modified pattern to work with BCT optimization.
4971 * config/c4x/c4x.h (RC_REG): New register class.
4972 (rc_reg_operand): Define prototype.
4973 (IS_RC_REG): New macro.
4974 (IS_RC_OR_PSEUDO_REG): New macro.
4975 (IS_RC_OR_PSEUDO_REGNO): New macro.
4976 (OPTIMIZATION_OPTIONS): Define.
4978 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4980 * collect2.c (extract_init_priority): No priority is 65535.
4982 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4984 * Makefile.in (build_tooldir): new variable, same as old
4985 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4986 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4987 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4989 * configure.in (gxx_include_dir): set default based on unlibsubdir
4990 * Makefile.in (tooldir): ditto
4991 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4992 gxx_include_dir, includedir and tooldir
4993 (protoize.o, unprotoize.o): ditto
4995 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4997 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4999 * config/arm/thumb.c (thumb_override_options): Add warning about
5000 PIC code not being supported just yet.
5002 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5004 * flow.c: Update comment.
5005 (notice_stack_pointer_modification): New static function.
5006 (record_volatile_insns): Use it.
5007 (mark_regs_live_at_end): Mark the stack pointer as alive
5008 at the end of the function if current_function_sp_is_unchanging
5010 (life_analysis_1): Set current_function_sp_is_unchanging.
5011 * function.c: Define it.
5012 (init_function_start): Initialize it.
5013 * output.h: Declare it.
5014 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5015 the stack pointer as alive at the end of the function if
5016 current_function_sp_is_unchanging is set.
5017 * i386.c (ix86_epilogue): Optimize the restoring
5018 of the stack pointer.
5020 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5022 * version.c: Bump for snapshot.
5024 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5026 * c-pragma.c (handle_pragma_token): If passed a token instead
5027 of a tree, use that as the pack value.
5029 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5031 * flow.c (find_basic_blocks_1): Fix prototype.
5033 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5035 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5036 (struct tree_decl): New fields no_check_memory_usage.
5037 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5038 (init_attributes): Register it as a new attribute.
5039 (decl_attributes): Set flags on functions given that attribute.
5040 * c-decl.c (duplicate_decls): Merge new attribute.
5041 * expr.h (current_function_check_memory_usage): Declare new var.
5042 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5043 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5044 current_function_check_memory_usage.
5045 * function.h: Add field to struct function.
5046 * function.c (current_function_check_memory_usage): Define it.
5047 (push_function_context_to, pop_function_context_from): Save and
5049 (expand_function_start): Set it, based on global flag and function
5052 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5053 check non-automatic variables, to permit detection of writes to
5054 read-only locations in embedded systems without memory management.
5055 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5056 when emitting chkr_set_right_libfunc call, even if the argument is
5057 BLKmode or variable-sized; don't abort.
5059 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5060 symbols in Pmode, not VOIDmode.
5062 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5064 * cppexp.c: When forcing unsigned comparisons, cast both sides
5067 * cpphash.h: Move static declaration of hashtab[]...
5068 * cpphash.c: ...here.
5070 * cpplib.c: Cast difference of two pointers to size_t before
5071 comparing it to size_t. Cast signed to unsigned
5072 before comparing to size_t. (FIXME: struct argdata should use
5073 unsigned buffer sizes.)
5074 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5075 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5076 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5077 size_t before comparison.
5079 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5081 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5082 (find_basic_blocks_1): Similarly.
5083 * output.h (find_basic_blocks): Fix prototype.
5084 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5085 find_basic_blocks anymore.
5087 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5089 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5090 (sbitmap_free, sbitmap_vector_free): New macros.
5091 * output.h (rtl_dump_file): Declare.
5093 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5095 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5097 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5101 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5102 (divide): Remove unused variable `tmp'.
5103 (si_to_float): Cast numeric constant to (SItype) before comparing
5106 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5108 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5109 * gcc.c (add_preprocessor_option): Correct typo when allocating
5110 memory, sizeof() argument had one too many `*'.
5111 (add_assembler_option): Likewise.
5112 (add_linker_option): Likewise.
5113 * gcov.c (output_data): Likewise.
5114 * local-alloc.c (memref_used_between_p): Likewise.
5115 (update_equiv_regs): Likewise.
5116 * loop.c (strength_reduce): Likewise.
5117 * reg-stack.c (record_asm_reg_life): Likewise.
5118 (subst_asm_stack_reg): Likewise.
5119 * reorg.c (dbr_schedule): Likewise.
5121 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5123 * flow.c (life_analysis_1): Break out some functions.
5124 (find_basic_blocks_1): Likewise. Also move some variables out and
5126 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5127 new static var nonlocal_label_list with it.
5128 (active_eh_region, nested_eh_region, label_value_list,
5129 nonlocal_label_list): New static variables.
5130 (make_edges, delete_unreachable_blocks, delete_block): New static
5131 functions, broken out of find_basic_blocks_1.
5132 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5133 noop_move_p): New static functions, broken out of life_analysis_1.
5135 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5137 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5138 Take extra care for op0 now possibly being a subreg.
5139 (extract_bit_field): Likewise.
5140 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5141 the reg to memory if there is no equal sized integral mode.
5142 * stor-layout.c (int_mode_for_mode): New function.
5143 * machmode.h: Prototype it.
5145 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5147 * global.c (build_insn_chain): Verify no real insns exist past the
5148 end of the last basic block, then exit the loop.
5150 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5152 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5154 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5156 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5158 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5160 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5162 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5164 * flow.c (find_basic_blocks): Correctly determine when a call
5165 is within an exception region.
5167 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5169 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5171 * cpplib.h: Protect from multiple inclusions.
5172 * cpplib.c: Fix minor formatting problems.
5174 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5176 * jump.c (jump_optimize): Revert accidental patch.
5178 * Makefile.in (cpplib.o): Use unlibsubdir.
5180 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5182 * loop.c (get_condition): Allow combine when either compare is
5185 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5187 * version.c: Bump for snapshot.
5189 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5191 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5192 (init_lex): Initialize ridpointers[RID_BYREF].
5193 * c-lex.h (enum rid): Add RID_BYREF.
5194 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5195 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5196 (encode_type_qualifiers): Similarly
5197 * c-gperf.h: Rebuilt.
5199 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5201 * c-common.c (type_for_mode): Only return TItype nodes when
5202 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5203 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5204 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5205 (init_decl_processing): Only create TItype nodes when
5206 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5207 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5208 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5210 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5212 * stmt.c (n_occurrences): New static function.
5213 (expand_asm_operands): Verify that all constrains match in the
5214 number of alternatives.
5215 Verify that '+' or '=' are at the beginning of an output constraint.
5216 Don't allow '&' for input operands.
5217 Verify that '%' isn't written for the last operand.
5218 * reload.c (find_reloads): Abort if an asm is found with invalid
5219 constraints; all possible problems ought to be checked for earlier.
5221 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5223 * flags.h (flag_branch_on_count_reg): Always declare
5224 * toplev.c (flag_branch_on_count_reg): Likewise.
5225 * toplev.c: Fix typos.
5227 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5230 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5232 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5234 (find_basic_blocks_1): Add a nop to the end of a basic block when
5235 a trailing call insn does not have abnormal control flow.
5236 * gcse.c (pre_transpout): New variable.
5237 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5238 (compute_pre_transpout): Calculate it.
5239 (compute_pre_ppinout): Use it to eliminate impossible placements
5240 due to abnormal control flow through calls.
5241 (compute_pre_data): Call compute_pre_transpout.
5243 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5245 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5247 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5249 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5250 and matching define_insns): Tack on a `use' of the table label, so
5251 flow analysis will recognize a tablejump.
5253 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5255 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5256 always end basic blocks for abnormal edge reasons.
5258 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5260 * config/i386/i386.h: Remove definition of
5261 HANDLE_PRAGMA_PACK_PUSH_POP.
5263 * config/i386/go32.h: Add definition of
5264 HANDLE_PRAGMA_PACK_PUSH_POP.
5266 * config/i386/win32.h: Add definition of
5267 HANDLE_PRAGMA_PACK_PUSH_POP.
5269 * config/i386/cygwin32.h: Add definition of
5270 HANDLE_PRAGMA_PACK_PUSH_POP.
5272 * c-pragma.c (insert_pack_attributes): Do not insert
5273 attributes unless #pragma pack(push,<n>) is in effect.
5275 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5277 * expr.c (emit_group_store): Handle a PARALLEL destination.
5279 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5281 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5282 the new insns before the argument regs are loaded.
5284 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5286 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5287 (c-parse.gperf): Update comments describing invocation flags.
5288 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5290 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5292 * reload1.c (reload): Call free before clobbering the memory
5293 locations or constants pointers.
5295 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5297 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5298 for efficiency by checking whether we need to modify the current
5299 stack permission at all.
5300 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5301 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5302 __enable_execute_stack libcall here too if
5303 TRANSFER_FROM_TRAMPOLINE is defined.
5304 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5307 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5309 * Makefile.in (DRIVER_DEFINES): Remove last change.
5311 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5313 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5314 insns we're going to copy.
5315 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5317 * loop.c (count_one_set): Add prototype.
5319 * caller-save.c (restore_referenced_regs): Lose mode argument.
5320 (insert_save): Lose mode argument.
5321 (insert_restore): Lose mode argument.
5322 (insert_one_insn): Lose mode argument.
5323 (save_call_clobbered_regs): Lose mode argument.
5324 (setup_save_areas): Take no argument and return void. All callers
5326 Don't verify validity of memory addresses.
5327 * reload.h (setup_save_ares): Adjust prototype.
5328 (save_call_clobbered_regs): Likewise.
5329 * reload1.c (delete_caller_save_insns): New function.
5330 (caller_save_spill_class): Delete variable.
5331 (caller_save_group_size): Delete variable.
5332 (reload): Call setup_save_areas and save_call_clobbered_regs
5333 in the main loop, before calling calculate_needs_all_insns.
5334 Don't call save_call_clobbered_regs after the loop.
5335 Call delete_caller_save_insns at the end of an iteration if
5337 Delete code to manage caller_save_spill_class.
5338 Emit the final note before setting reload_first_uid.
5339 Simplify test that determines whether reload_as_needed gets run.
5340 (calculate_needs): Delete code to manage caller_save_spill_class.
5342 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5344 * collect2.c (main): Initialize ld_file_name.
5346 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5348 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5349 check for flag_function_sections.
5351 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5353 * cse.c (insert_regs): Fix bug in Sep 24 change.
5355 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5357 * flags.h (flag_dump_unnumbered): Declare.
5358 * toplev.c (flag_dump_unnumbered): Don't declare.
5359 * print-rtl.c (flags.h): Include.
5360 (print_rtl_single): Add return value.
5361 * rtl.h (print_rtl_single): Update declaration.
5362 * flow.c (flag_dump_unnumbered): Don't declare.
5363 (print_rtl_with_bb): Use return value of print_rtl_single.
5365 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5367 * loop.c (count_one_set): New static function, broken out of
5369 (count_loop_regs_set): Call it.
5370 * global.c (mark_reg_store): Handle clobbers here by not calling
5372 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5373 is in fact a clobber.
5374 * integrate.c (process_reg_param): New function, broken out of
5375 expand_inline_function.
5376 (expand_inline_function): Call it.
5379 * i386.md (addsidi3_1): Delete unused variable temp.
5380 (addsidi3_2): Likewise.
5381 (clstrstrsi): Delete unused variable addr1.
5383 * rtl.h: Don't declare any functions also declared in recog.h.
5385 * Makefile.in (stupid.o): Update dependencies.
5386 (global.o): Likewise.
5388 * global.c: Include reload.h
5389 (reg_becomes_live): New function.
5390 (reg_dies): New function.
5391 (build_insn_chain): New function.
5392 (global_alloc): Call build_insn_chain before calling reload.
5394 * reload.h (struct needs): New structure definition.
5395 (struct insn_chain): Likewise.
5396 (reload_insn_chain): Declare variable.
5397 (new_insn_chain): Declare function.
5400 * reload1.c (reload_startobj): New variable.
5401 (reload_insn_chain): New variable.
5402 (unused_insn_chains): New variable.
5403 (new_insn_chain): New function.
5404 (init_reload): Initialize reload_startobj, not reload_firstobj.
5405 (reload): Initialize reload_firstobj.
5406 Before returning, free everything on the reload_obstack.
5408 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5409 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5410 current_chain): New variables.
5411 (reg_where_born): Delete variable.
5412 (REG_WHERE_BORN): New macro.
5413 (find_clobbered_regs): New function.
5414 (stupid_life_analysis): Don't allocate/free reg_where_born.
5415 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5416 reg_where_dead_chain.
5417 Use REG_WHERE_BORN instead of reg_where_born.
5418 While processing the insns, build the reload_insn_chain with
5419 information about register lifetimes.
5420 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5421 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5423 Compute and information about birth and death of pseudo registers in
5424 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5425 Delete code to set elements of reg_where_born.
5427 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5429 * tree.def (GOTO_EXPR): Modified documentation.
5430 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5433 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5435 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5436 loop_final_value, loop_comparison_code): No longer static.
5437 (unroll_loop): Delete loop_start_value update.
5438 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5439 loop_final_value, loop_comparison_code): Extern.
5440 (loop_start_value): Delete extern.
5441 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5442 loop_comparison_value, loop_comparison_code): Delete.
5443 (loop_optimize): Remove initialization for deleted variables.
5444 (strength_reduce): Delete analyze_loop_iterations call. Only call
5445 insert_bct if flag_branch_count_on_reg set.
5446 (analyze_loop_iterations): Delete.
5447 (insert_bct): Remove iteration count calculation. Move checks for
5448 viable BCT optimization to here. Obtain iteration count from
5449 loop_iterations and correct for unrolling. Check for enough
5450 iteration to be beneficial. Comment out runtime iteration count
5452 (insert_bct): Print iteration count in dump file. Remove
5453 loop_var_mode and use word_mode directly.
5455 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5456 * rs6000.c (rs6000_override_options): Use it.
5457 (optimization_options): Enable use of flag_branch_on_count_reg.
5458 * rs6000.md (define_function_unit): Describe 604e.
5460 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5462 * loop.c (move_movables): Corrected threshold calculation for
5463 moved_once registers.
5465 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5467 * loop.c (combine_givs_p): Fix test for identical givs.
5469 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5471 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5472 call abort if the function is already defined.
5474 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5476 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5477 truncation is not a no-op.
5479 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5481 * version.c: Bump for snapshot.
5483 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5485 * version.c: Bump for snapshot.
5487 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5489 * expmed.c (expand_divmod): Don't widen for computing remainder
5490 if we seem to have a divmod pattern for needed mode.
5492 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5494 * cpplib.c (macroexpand): Correct off-by-one error in handling
5497 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5499 * combine.c (expand_field_assignment): Don't do bitwise operations
5500 on MODE_FLOAT; pun to MODE_INT if possible.
5502 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5503 scott snyder <snyder@d0sgif.fnal.gov>
5505 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5506 linker. Recognize mangled names in quotes.
5508 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5510 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5511 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5512 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5513 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5515 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5517 * function.c (purge_addressof_1): If trying to take a sub-word
5518 integral piece of a floating point mode, put it on the stack.
5520 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5522 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5524 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5526 * PROJECTS: Remove template friends.
5528 * collect2.c (sort_ids): Remove unused variable.
5530 * tm.texi (MATH_LIBRARY): Document.
5531 (NEED_MATH_LIBRARY): Remove.
5533 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5534 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5536 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5538 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5539 last_end to 0x7fffffff.
5541 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5543 * function.c (purge_addressof_1): Do not perform endianness
5544 corrections on bitpos, who we call will do it for us.
5546 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5548 * h8300.c (WORD_REG_USED): Fix typo.
5549 (initial_offset): Use WORD_REG_USED.
5551 * h8300.c (handle_pragma): Fix typo.
5553 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5555 * caller-save.c (insert_save_restore): Break this function up
5556 into new functions insert_restore, insert_save and insert_one_insn.
5557 All callers changed.
5558 (insert_restore): New function, mostly broken out of
5559 insert_save_restore.
5560 (insert_save): Likewise.
5561 (insert_one_insn): Likewise.
5562 (restore_referenced_regs): New argument BLOCK. All callers changed.
5563 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5564 in this function, do it in insert_one_insn instead.
5566 * reload1.c (reload): Break out some more pieces into separate
5568 (dump_needs): New function, broken out of reload.
5569 (set_initial_elim_offsets): Likewise.
5570 (init_elim_table): Likewise.
5571 (update_eliminables): Likewise.
5573 * global.c (global_alloc): Delete code to manage the scratch_list.
5574 * local-alloc.c (qty_scratch_rtx): Delete.
5575 (scratch_block): Delete.
5576 (scratch_list): Delete.
5577 (scratch_list_length): Delete.
5578 (scratch_index): Delete.
5579 (alloc_qty_for_scratch): Delete.
5580 (local-alloc): Update initialization of max_qty.
5581 Delete code to manage the scratch list.
5582 Delete code to allocate/initialize qty_scratch_rtx.
5583 (block_alloc): Don't allocate quantities for scratches.
5584 Delete code to manage the scratch list.
5585 * regs.h (scratch_list): Delete declaration.
5586 (scratch_block): Delete declaration.
5587 (scratch_list_length): Delete declaration.
5588 * reload1.c (reload): Delete code to manage the scratch list.
5589 (spill_hard_reg): Likewise.
5590 (mark_scratch_live): Delete.
5592 * recog.c (alter_subreg): Delete declaration.
5594 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5596 * Makefile.in (cccp.o): Fix typo in last patch.
5598 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5600 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5601 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5603 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5605 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5606 NULL_RTX as an argument.
5608 * Makefile.in (unlibsubdir): Define.
5609 (DRIVER_DEFINES): Use unlibsubdir.
5610 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5611 (stmp-fixinc): Similarly.
5613 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5615 * regmove.c (regmove_optimize): Add variable old_max_uid.
5616 At the end of the function, update basic_block_end.
5618 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5620 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5621 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5624 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5626 * config/arm/arm.c: Improve interworking support.
5628 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5630 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5631 copied from reload_out[r] .
5633 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5635 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5636 with more than three size ranges.
5638 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5640 * rtl.c (mode_name): Add a null string at the end of the array.
5641 (mode_wider_mode): Change type to unsigned char.
5642 (mode_mask_array): New variable.
5643 (init_rtl): Update for mode_wider_mode type change.
5645 * rtl.h (mode_wider_mode): Change type to unsigned char.
5646 (mode_mask_array): Declare.
5647 (GET_MODE_MASK): Use mode_mask_array.
5649 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5651 * calls.c (expand_call) : Encapsulate code into
5652 copy_blkmode_from_reg.
5653 * expr.c (copy_blkmode_from_reg): New function.
5654 * expr.h (copy_blkmode_from_reg): New function.
5655 * integrate.c (function_cannot_inline_p): We can inline
5657 (expand_inline_function): Use copy_blkmode_from_reg
5658 if needed. Avoid creating BLKmode REGs.
5659 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5662 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5664 * config/v850/v850.c: Add function prototypes.
5665 Add support for v850 special data areas.
5667 * config/v850/v850.h: Add support for v850 special data areas.
5669 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5670 HANDLE_PRAGMA_PACK_PUSH_POP.
5671 (push_alignment): New function: Cache an alignment requested
5672 by a #pragma pack(push,<n>).
5673 (pop_alignment): New function: Pop an alignment from the
5675 (insert_pack_attributes): New function: Generate __packed__
5676 and __aligned__ attributes for new decls whilst a #pragma pack
5678 (add_weak): New function: Cache a #pragma weak directive.
5679 (handle_pragma_token): Document calling conventions. Add
5680 support for #pragma pack(push,<n>) and #pragma pack (pop).
5682 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5683 are defined enable HANDLE_PRAGMA_PACK.
5684 Move 'struct weak_syms' here (from varasm.c).
5685 Add pragma states for push and pop pragmas.
5687 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5690 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5691 HANDLE_GENERIC_PRAGMAS.
5693 * varasm.c: Move definition of 'struct weak_syms' into
5695 (handle_pragma_weak): Deleted.
5697 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5699 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5701 * c-decl.c (start_function): Add invocation of
5702 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5704 * tm.texi: Remove description of non-existant macro
5705 SET_DEFAULT_SECTION_NAME.
5707 (HANDLE_SYSV_PRAGMA): Document.
5708 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5710 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5712 * config.sub: Recognize i[34567]86-pc-udk as new target.
5713 * configure.in: Likewise.
5714 * config/i386/t-udk: New file.
5715 * config/i386/udk.h: New file.
5717 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5719 * reorg.c (check_annul_list_true_false): Remove unused variables.
5720 (steal_delay_list_from_target): Add missing "used_annul" variable.
5721 (try_merge_delay_insns): Close out half formed comment.
5723 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5725 * cpplib.c (macroexpand): If arg->raw_before or
5726 arg->raw_after, remove any no-reexpansion escape at the
5727 beginning of the pasted token. Correct handling of whitespace
5728 markers and no-reexpand markers at the end if arg->raw_after.
5730 * toplev.c (documented_lang_options): Recognize -include,
5731 -imacros, -iwithprefix, -iwithprefixbefore.
5732 * cpplib.c (cpp_start_read): Process -imacros and -include
5733 switches at the same time and in command-line order, after
5734 initializing the dependency-output code. Emit properly nested
5735 #line directives for them. Emit a #line for the main file
5736 before processing these switches, and don't do it again
5739 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5741 * function.c (purge_addressof_1): Use bitfield manipulation
5742 routines to handle mem mode < reg mode.
5744 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5746 * reorg.c (try_merge_delay_insns): Account for resources referenced
5747 in each instruction in INSN's delay list before trying to eliminate
5748 useless instructions. Similarly when looking at a trial insn's delay
5751 * reorg.c (check_annul_list_true_false): New function.
5752 (steal_delay_list_from_{target,fallthrough}): Call it and also
5753 refine tests for when we may annul if already filled a slot.
5754 (fill_slots_from_thread): Likewise.
5755 (delete_from_delay_slot): Return newly-created thread.
5756 (try_merge_delay_isns): Use its new return value.
5758 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5760 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5761 used to compute a giv or as some other non-counting use.
5763 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5765 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5766 * local-alloc.c (find_free_reg): Use it.
5767 * global.c (find_reg): Likewise.
5768 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5770 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5771 * caller-save.c (init_caller_save): Use it.
5772 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5774 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5776 * configure.in: Add --enable-cpplib option which uses cpplib
5777 for cpp, but doesn't link cpplib into cc1. Make help text
5778 capitalization consistent.
5779 * configure: Rebuilt.
5781 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5783 * function.c (gen_mem_addressof): If the address REG is
5784 REG_USERVAR_P make the new REG be so also.
5785 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5786 in an attempt to clarify slightly.
5788 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5790 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5791 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5793 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5795 * toplev.c: Fix last patch.
5797 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5799 * loop.c (get_condition): Fix typo in May 9 change.
5801 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5803 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5805 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5807 * toplev.c (documented_lang_options): Spelling corrections.
5809 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5811 * configure.in: new flags --with-ld and --with-as, equivalent
5812 to setting LD and AS environment variables. Test whether
5813 specified arguments are GNU commands, and report them with
5814 checking messages. Use the specified AS for configure
5817 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5819 * gcc.c (find_a_file): when looking for `as' and `ld', return
5820 the DEFAULT program if it exists
5821 * collect2.c (main): use DEFAULT_LINKER if it exists
5823 * gcc.c (find_a_file): the test for existence of a full
5824 pathname was reversed
5826 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5828 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5829 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5831 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5833 * tree.h (TYPE_BINFO): Document.
5835 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5837 * i386-coff.h (dbxcoff.h): Added.
5839 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5841 * toplev.c: fix bad patch around flag_data_sections.
5843 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5845 * reload1.c (reload): Use reload_address_index_reg_class and
5846 reload_address_base_reg_class when setting
5847 caller_save_spill_class. (Patch generated by Jim Wilson:
5850 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5852 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5853 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5854 * expr.c (store_field): Add alias_set parameter. Set the
5855 MEM_ALIAS_SET accordingly, if the target is a MEM.
5856 (expand_assignment): Use it.
5857 (store_constructor_field): Pass 0.
5858 (expand_expr): Likewise.
5860 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5862 * flags.h: Add flag_data_sections.
5863 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5864 (compile_file): Error if flag_data_sections not supported.
5865 * varasm.c (assemble_variable): Handle flag_data_sections.
5866 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5867 * config/mips/elf.h: Likewise.
5868 * config/mips/elf64.h: Likewise.
5869 * invoke.texi: Describe -fdata-sections.
5871 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5873 * invoke.texi (-ffloat-store): Clarify that this option
5874 does not affect intermediate results -- only variables.
5876 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5878 * cpp.texi: Update for Fortran usage from Craig.
5880 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5882 * rs6000.c (function_arg_boundary): Revert accidental change on
5885 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5887 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5888 (output_mi_thunk): Declare.
5890 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5891 (output_function_profiler): Use r12 for temp, instead of r11 so
5892 that we preserve the static chain register.
5894 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5896 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5898 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5900 * sh.c (gen_shl_sext): Fix case 5.
5902 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5904 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5906 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5908 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5909 accessing variables until they are initialized via va_arg().
5911 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5913 * reload1.c (reload_combine): Initialize set before using.
5915 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5917 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5920 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5922 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5923 operand3 with mask before using it. Patch provided by Jim Wilson.
5925 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5927 * config/sparc/sparc.c (function_value): Perform the equivalent of
5928 PROMOTE_MODE for ARCH64.
5929 (eligible_for_epilogue_delay): Allow DImode operations in delay
5930 slot of a return for ARCH64.
5932 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5934 * sh.md (sqrtsf2): Fix mode of sqrt.
5936 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5938 * reload1.c (choose_reload_regs): Also try inheritance when
5939 reload_in is a stack slot of a pseudo, even if we already got a
5942 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5944 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5945 (reload_cse_regs): New function body: call reload_cse_regs_1,
5946 reload_combine, reload_cse_move2add.
5947 When doing expensive_optimizations, call reload_cse_regs_1 a
5948 second time after reload_cse_move2add.
5949 (reload_combine, reload_combine_note_store): New functions.
5950 (reload_combine_note_use): New function.
5951 (reload_cse_move2add, move2add_note_store): New functions.
5953 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5955 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5956 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5958 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5959 more than 3 such reloads.
5961 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5962 RELOAD_FOR_X_ADDR_ADDR reload.
5964 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5966 * expr.c (store_constructor): When initializing a field that is smaller
5967 than a word, at the start of a word, try to widen it to a full word.
5969 * cse.c (cse_insn): When we are about to change a register,
5970 remove any invalid references to it.
5972 (remove_invalid_subreg_refs): New function.
5973 (mention_regs): Special treatment for SUBREGs.
5974 (insert_regs): Don't strip SUBREG for call to mention_regs.
5975 Check if reg_tick needs to be bumped up before that call.
5976 (lookup_as_function): Try to match known word_mode constants when
5977 looking for a norrower constant.
5978 (canon_hash): Special treatment for SUBREGs.
5980 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5982 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5983 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5984 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5985 and offsets in actual stack trampoline code so they match the
5986 commentary and actually work.
5988 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5990 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5992 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5993 tmake_file. Set extra_parts to needed crt objects.
5994 * configure: Rebuilt.
5995 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5996 (TARGET_DEFAULT): Set if default is v9 or ultra.
5997 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5998 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5999 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6000 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6001 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6002 (TARGET_VERSION): Define.
6003 (MULTILIB_DEFAULT): Define.
6004 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6005 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6006 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6008 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6009 * config/sparc/sparc.c (sparc_override_options): If arch and
6010 pointer size disagree, emit diagnostic and fix it up. If
6011 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6012 V8PLUS in 64-bit mode.
6013 * config/sparc/t-linux64: New file.
6014 * config/sparc/t-sol2-64: New file.
6015 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6016 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6017 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6018 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6019 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6020 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6022 (STARTFILE_SPEC): Set approriately based upon those.
6023 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6024 disposition of DEFAULT_ARCH32_P.
6025 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6026 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6027 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6028 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6029 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6031 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6033 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6035 * rtl.h (init_virtual_regs): New function.
6036 * emit-rtl.c (init_virtual_regs): Define.
6037 (insn_emit): Use it.
6038 * integrate.c (save_for_inline_copying): Likewise.
6040 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6042 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6043 (enum reg_class): Add NONARG_LO_REGS support.
6044 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6045 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6046 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6047 completes. Re-enable HImode REG+OFFSET addresses.
6048 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6050 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6052 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6054 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6055 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6056 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6058 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6060 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6061 jumps as a single entity, taking into account the size of the
6064 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6066 * tree.def (SWITCH_EXPR): New tree node definition.
6068 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6070 * version.c: Bump for snapshot.
6072 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6074 * version.c: Bump for snapshot.
6076 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6078 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6081 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6083 * Revert this patch.
6084 * reload.c (find_reloads): Do not replace a pseudo with
6085 (MEM (reg_equiv_addr)) in the initializing insn for the
6088 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6090 * final.c (final_scan_insn): Disable tracking CC across branches.
6092 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6094 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6095 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6096 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6097 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6098 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6100 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6102 * toplev.c (rest_of_compilation): Skip compiling anything with
6103 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6105 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6107 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6108 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6109 use in_libcall_block.
6110 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6111 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6114 Mon Sep 21 14:02:23 1998
6116 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6117 typo in no-fancy-math-387 description.
6119 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6121 * version.c: Bump for snapshot.
6123 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6125 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6127 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6129 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6130 documented in install.texi.
6131 (TARGET_OPTIONS) Likewise.
6133 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6135 * version.c: Bump for snapshot.
6137 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6139 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6140 * cccp.c (main): Likewise.
6142 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6143 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6146 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6148 * Makefile.in (LIBS): Link in libiberty.a.
6149 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6151 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6153 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6154 it to update bb boundaries. Update caller.
6155 * function.c (reposition_prologue_and_epilogue_notes): Update
6156 bb boundaries wrt the moved note.
6158 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6160 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6162 * configure: Regenerate.
6164 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6166 * alpha.c (alpha_sr_alias_set): New variable.
6167 (override_options): Set it.
6168 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6169 (mode_mask_operand): Fix signed-unsigned comparision warning.
6170 (alpha_expand_block_move): Likewise.
6171 (print_operand): Likewise.
6172 (get_aligned_mem): Use change_address.
6173 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6174 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6175 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6176 (alpha_align_insns): Remade from old alphaev5_align_insns
6177 to handle multiple processors.
6178 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6179 * output.h (label_to_alignment): Prototype.
6181 * tree.c (new_alias_set): New function.
6182 * tree.h (new_alias_set): Declare it.
6183 * c-common.c (c_get_alias_set): Use it.
6185 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6187 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6188 to an ABS expr, convert an unsigned input to signed.
6190 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6192 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6194 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6196 * configure.in: Add support for c4x targets.
6197 * configure: Rebuilt.
6199 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6201 * combine.c (distribute_notes): If an insn is a cc0 user, only
6202 delete it if we can also delete the cc0 setter.
6204 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6206 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6207 (invert_truthvalue): Enable truthvalue inversion for
6208 floating-point operands if -ffast-math.
6210 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6212 * configure.in: Disable collect2 for nextstep. Instead use
6214 * configure: Rebuilt.
6215 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6216 (ENDFILE_SPEC): Define.
6217 (OBJECT_FORMAT_MACHO): Define.
6218 (EH_FRAME_SECTION_ASM_OP): Define.
6219 * crtstuff.c: Handle MACHO.
6221 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6223 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6225 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6227 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6228 (_fpadd_parts): Get sign right for 0.
6230 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6232 * ginclude/varargs.h: Add support for C4x target.
6233 * ginclude/stdargs.h: Likewise.
6235 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6237 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6238 (alpha_emit_set_long_const): Rewrite to be callable from reload
6240 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6241 * alpha.md (movdi): Likewise.
6243 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6245 * arm.c (add_constant): New parameter address_only, change caller.
6246 Set it non-zero if taking the address of an item in the pool.
6247 (arm_reorg): Handle cases where we need the address of an item in
6250 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6252 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6253 memory addresses that are not in standard canonical form.
6255 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6257 * README.C4X: New file with information about the c4x ports.
6258 * ginclude/va-c4x.h: New file for c4x varargs support.
6259 * config/c4x: New directory with c4x port files.
6261 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6263 * reload.c (find_reloads): Do not replace a pseudo with
6264 (MEM (reg_equiv_addr)) in the initializing insn for the
6267 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6269 * toplev.c (rest_of_compilation): Set bct_p on second call to
6271 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6273 (strength_reduce): Only call analyze_loop_iterations and
6274 insert_bct if bct_p set.
6275 (check_dbra_loop): Fix typo.
6276 (insert_bct): Use word_mode instead of SImode.
6277 (instrument_loop_bct): Likewise. Do not delete iteration count
6278 condition code generation insn. Initialize iteration count before
6280 * rtl.h (loop_optimize): Update prototype.
6282 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6283 not doubleword aligned.
6285 * rs6000.c (optimization_options): New function.
6286 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6287 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6288 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6289 first; cr1 can be used for FP record condition insns.
6291 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6293 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6296 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6299 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6301 (block_move_call): New function: Call a library routine to copy a
6303 (m32r_expand_block_move): New function: Expand a "movstrsi"
6304 pattern into a sequence of insns.
6305 (m32r_output_block_move): New function: Expand a
6306 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6307 (m32r_block_immediate_operand): New function: Return true if the
6308 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6310 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6312 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6314 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6316 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6318 * regmove.c (copy_src_to_dest): Check that modes match.
6320 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6322 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6324 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6326 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6327 narrower than FLOAT_REGS.
6329 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6331 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6333 * Makefile.in (old_gxx_include_dir): removed
6335 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6337 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6340 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6341 (sh_handle_pragma): Change function arguments to match new
6342 specification for HANDLE_PRAGMA.
6344 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6346 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6348 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6349 When generating output, initialize missing struct member to zero.
6351 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6353 * regmove.c (copy_src_to_dest): Don't copy if that requires
6354 (a) new register(s).
6356 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6358 * global.c (reg_allocno): Now static.
6359 * reload1.c (reg_allocno): Delete declaration.
6360 (order_regs_for_reload): Take no arguments. Don't treat regs
6361 allocated by global differently than those allocated by local-alloc.
6363 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6365 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6366 condition, fix format strings.
6367 (output_function_epilogue): Likewise.
6369 * m68k/m68k.c: Don't include <stdlib.h> directly.
6371 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6373 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6374 mem_first_set, mem_last_set; because 0 can be a CUID.
6375 (oprs_unchanged_p): Use new definition.
6376 (record_last_reg_set_info): Likewise.
6377 (record_last_mem_set_info): Likewise.
6378 (compute_hash_table): Likewise.
6380 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6382 * rs6000.c (output_epilogue): Handle Chill.
6384 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6385 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6387 * combine.c (make_extraction): If no mode is specified for
6388 an operand of insv, extv, or extzv, default it to word_mode.
6389 (simplify_comparison): Similarly.
6390 * expmed.c (store_bit_field): Similarly.
6391 (extract_bit_field): Similarly.
6392 * function.c (fixup_var_regs_1): Similarly.
6393 * recog.c (validate_replace_rtx_1): Similarly.
6394 * mips.md (extv, extzv, insv expanders): Default modes for most
6395 operands. Handle TARGET_64BIT.
6396 (movdi_uld, movdi_usd): New patterns.
6398 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6399 equivalent memory location unless we have been provided a scratch
6400 register. Similarly do not call find_replacement unless a
6401 scratch register has been provided.
6403 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6405 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6408 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6410 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6411 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6412 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6413 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6414 * c-decl.c (init_decl_processing): Update accordingly.
6415 * expr.c (expand_builtin): Likewise.
6417 * rtl.h (global_rtl): Add cfa entry.
6418 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6419 (LAST_VIRTUAL_REGISTER): Update.
6420 * emit-rtl.c (global_rtl): Add cfa entry.
6421 (init_emit): Initialize it.
6422 * function.c (cfa_offset): New.
6423 (instantiate_virtual_regs): Initialize it.
6424 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6425 (expand_function_end): Call expand_eh_return.
6426 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6428 * except.c (current_function_eh_stub_label): Kill.
6429 (current_function_eh_old_stub_label): Likwise; update all references.
6430 (expand_builtin_set_return_addr_reg): Kill.
6431 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6432 (expand_builtin_set_eh_regs): Kill.
6433 (eh_regs): Produce a third reg for the actual handler address.
6434 (eh_return_context, eh_return_stack_adjust): New.
6435 (eh_return_handler, eh_return_stub_label): New.
6436 (init_eh_for_function): Initialize them.
6437 (expand_builtin_eh_return, expand_eh_return): New.
6438 * except.h: Update prototypes.
6439 * flow.c (find_basic_blocks_1): Update references to the stub label.
6440 * function.h (struct function): Kill stub label elements.
6442 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6443 register number is one that would be in the previous window.
6444 Provide a dummy definition for non-windowed targets.
6445 (get_reg_addr): New function.
6446 (get_reg, put_reg, copy_reg): Use it.
6447 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6448 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6450 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6451 (alpha_init_expanders): Initialize it.
6452 (alpha_expand_epilogue): Use it.
6453 * alpha.h: Declare it.
6454 * alpha.md (eh_epilogue): New.
6456 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6457 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6459 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6461 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6464 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6466 * except.h (struct eh_entry): Add false_label field.
6467 (end_catch_handler): Add prototype.
6468 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6469 (start_catch_handler): When using old style exceptions, issue
6470 runtime typematch code before continuing with the handler.
6471 (end_catch_handler): New function, generates label after handler
6472 if needed by older style exceptions.
6473 (expand_start_all_catch): No need to check for new style exceptions.
6474 (output_exception_table_entry): Only output the first handler label
6475 for old style exceptions.
6476 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6477 mechanism into one function, if a runtime matcher is provided.
6479 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6481 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6483 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6485 * integrate.c (copy_decl_list): Fix typo.
6487 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6489 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6492 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6494 * version.c: Bump for snapshot.
6496 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6498 * version.c: Bump for snapshot.
6500 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6502 * version.c: Bump for snapshot.
6504 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6506 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6508 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6510 * configure.in: remove usage of `!' to negate the result of a
6511 command; some common shells do not support it
6513 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6515 * configure.in: in sparc9-sol2 config, use 'if test' not
6517 * configure: Rebuilt.
6519 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6521 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6522 (CPP_CPU_DEFAULT_SPEC): Likewise.
6523 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6524 for arch64 libfuncs.
6526 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6529 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6533 * collect2.c: Don't declare `sys_siglist' here.
6534 (my_strsignal): Prototype and define new function. Use it in
6535 place of `sys_siglist' hacks.
6537 * mips_tfile.c: Likewise.
6539 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6540 (GCC_NEED_DECLARATIONS): Likewise.
6542 * system.h (strsignal): Prototype it, if necessary.
6543 (sys_siglist): Declare it, if necessary.
6545 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6547 * loop.c (move_movables): While removing insn sequences, preserve
6548 the next pointer of the most recently deleted insn when we skip
6551 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6553 * objc/config-lang.in: Do not output the name of the selected
6554 thread file when building the front-end. The Makefile for the
6555 runtime library will do this.
6557 * objc/Make-lang.in: Do not build the runtime library or install
6558 the Objective C header files. The Makefile for the runtime
6559 library will do this.
6561 * objc/Makefile.in (all.indirect): Only build the front-end.
6562 (compiler): Rename to `frontend'.
6563 (obj-runtime): Remove target.
6564 (copy-headers): Likewise.
6565 (clean): No need to remove `libobjc.a' any longer.
6567 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6569 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6570 supported with -mcpu=xxx.
6572 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6574 * flow.c (mark_set_1): Recognize multi-register structure return
6575 values in CALL insns.
6576 (mark_used_regs): Likewise.
6577 (count_reg_sets_1): Likewise.
6578 (count_reg_references): Likewise.
6579 * rtlanal.c (note_stores): Likewise.
6580 (reg_overlap_mentioned_p): Likewise.
6581 * haifa-sched.c (check_live_1): Likewise.
6582 (update_live_1): Likewise.
6583 (sched_analyze_1): Likewise.
6584 (sched_note_set): Likewise.
6585 (birthing_insn_p): Likewise.
6586 (attach_deaths): Likewise.
6588 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6591 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6593 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6595 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6597 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6599 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6601 * configure.in: Add check for GAS subsection -1 support.
6602 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6603 * configure config.in: Rebuilt.
6604 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6605 SImode is subsection -1 works, else use DImode.
6606 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6607 subsection -1 works.
6608 * config/sparc/sparc.c (sparc_output_addr_vec,
6609 sparc_output_addr_diff_vec): Use them if defined.
6611 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6613 * tree.h (DECL_ORIGIN): New macro.
6614 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6615 (copy_decl_list): Use it.
6616 (integrate_parm_decls): Likewise.
6617 (integrate_decl_tree): Likewise.
6618 * dwarf2out.c (decl_ultimate_origin): Simplify.
6619 * dwarfout.c (decl_ultimate_origin): Likewise.
6620 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6621 (pushdecl): Likewise.
6623 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6625 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6627 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6629 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6631 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6633 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6634 empty or has a single entry.
6636 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6637 before calling reg_to_stack.
6639 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6641 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6642 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6644 * c-tree.h (warn_long_long): Declare it.
6646 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6648 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6649 initialized float-int union if the value is a NaN.
6651 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6653 * c-lex.c (real_yylex): Don't warn about long long constants if
6654 we're allowing long long
6656 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6658 * except.h (current_function_eh_stub_label): Declare.
6659 (current_function_eh_old_stub_label): Declare.
6660 * function.h (struct function): New members eh_stub_label and
6662 * except.c (current_function_eh_stub_label): New variable.
6663 (current_function_eh_old_stub_label): New variable.
6664 (init_eh_for_function): Clear them.
6665 (save_eh_status): Save them.
6666 (restore_eh_status): Restore them.
6667 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6668 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6669 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6670 make an edge from the block that contains it to the block starting
6671 with the label if this label is one of the eh stub labels.
6672 If eh stub labels exist, show they are reachable from the last block
6675 * reload1.c (reload): Break out several subroutines and make some
6677 (calculate_needs_all_insns): New function, broken out of reload.
6678 (calculate_needs): Likewise.
6679 (find_reload_regs): Likewise.
6680 (find_group): Likewise.
6681 (find_tworeg_group): Likewise.
6682 (something_needs_reloads): New global variable, formerly in reload.
6683 (something_needs_elimination): Likewise.
6684 (caller_save_spill_class): Likewise.
6685 (caller_save_group_size): Likewise.
6686 (max_needs): Likewise.
6687 (group_size): Likewise.
6688 (max_groups): Likewise.
6689 (max_nongroups): Likewise.
6690 (group_mode): Likewise.
6691 (max_needs_insn): Likewise.
6692 (max_groups_insn): Likewise.
6693 (max_nongroups_insn): Likewise.
6694 (failure): Likewise.
6696 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6698 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6700 * loop.c (load_mems): Copy rtx for output mem.
6702 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6704 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6705 mips1 or mips2 either.
6707 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6709 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6711 (pa_adjust_insn_length): Update to work with new marking scheme
6712 for jumps inside switch tables.
6713 * pa.md (switch_jump): Remove pattern.
6714 (jump): Handle jumps inside jump tables.
6716 * Makefile.in (profile.o): Depend on insn-config.h
6718 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6720 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6722 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6724 Add preliminary native sparcv9 Solaris support.
6725 * configure.in: Recognize sparv9-*-solaris2*
6726 * configure: rebuilt
6727 * config.sub: Recognize sparcv9 just like sparc64.
6728 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6729 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6730 32-bit and 64-bit Solaris systems.
6731 * config/sparc/t-sol2: Assemble those with cpp.
6732 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6733 (*TF*_LIBCALL): If ARCH64 use V9 names.
6734 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6736 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6738 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6739 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6741 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6743 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6744 to Pmode if CASE_VECTOR_MODE is something else.
6746 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6748 * prefix.c (update_path): Correctly handle cases where PATH is
6749 a substring of the builtin prefix, but specifies a different
6752 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6754 * expr.c: Corrected comment about what MOVE_RATIO does.
6755 * config/alpha/alpha.h: Ditto.
6756 * config/1750a/1750a.h: Ditto.
6757 * config/clipper/clipper.h: Ditto.
6758 * config/i386/i386.h: Ditto.
6760 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6762 * configure.in (m68k-next-nextstep3*): Use collect2.
6763 Similarly for x86 NeXT configurations.
6764 * configure: Rebuilt.
6766 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6768 * configure.in: Don't assume srcdir is .../gcc
6769 * configure: Rebuilt.
6771 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6773 * global.c: Update comments.
6774 (global_alloc): Assign allocation-numbers
6775 even for registers allocated by local_alloc in case
6776 they are later spilled and retry_global_alloc is called.
6777 (mark_reg_store, mark_reg_clobber,
6778 mark_reg_conflicts, mark_reg_death): Always record a
6779 conflict with a pseudo register even if it has been
6780 assigned to a hard register.
6781 (dump_conflicts): Don't list pseudo registers already assigned to
6782 a hard register as needing to be allocated, but do list their
6784 * local-alloc.c: Update comment.
6786 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6788 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6789 * configure: Rebuilt.
6791 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6793 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6795 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6796 for all targets that set -msoft-float.
6798 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6800 * toplev.c (print_switch_values): Make static to match prototype.
6802 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6804 * configure.in: If we are unable to find the "gnatbind" program,
6805 then do not configure the ada subdir.
6806 * configure: Rebuilt.
6808 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6810 * version.c: Bump for snapshot.
6812 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6814 * version.c: Bump for snapshot.
6816 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6819 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6821 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6823 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6825 * genextract.c: Have insn-extract.c include toplev.h.
6827 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6829 * toplev.c: Include expr.h.
6830 (really_sorry, fancy_abort): Remove prototypes.
6831 (set_target_switch): Add argument in prototype.
6832 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6833 (v_really_sorry): Likewise.
6834 (print_version, print_single_switch, print_switch_values): Make
6835 static and add prototype arguments.
6836 (decl_printable_name): Add prototype arguments.
6837 (lang_expand_expr_t): New typedef.
6838 (lang_expand_expr): Declare as a lang_expand_expr_t.
6839 (incomplete_decl_finalize_hook): Add prototype argument.
6840 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6841 (botch): Likewise for variable `s'.
6842 (rest_of_type_compilation): Mark variables `type' and `toplev'
6843 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6844 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6845 (display_help): Make variable `i' an `unsigned long'.
6846 (main): Remove unused parameter `envp'.
6847 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6848 Cast -1 when comparing it with a `size_t'.
6850 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6851 prototype with ATTRIBUTE_NORETURN.
6852 (fatal_insn_not_found, fatal_insn, really_sorry,
6853 push_float_handler, pop_float_handler): Add prototypes.
6854 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6855 (do_abort, botch): Add prototypes.
6857 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6859 * final.c (final): If a label is reached only from a single jump,
6860 call NOTICE_UPDATE_CC on the jump and its predecessor before
6861 emitting the insn after the label.
6863 * i386.h: Add AMD K6 support.
6864 Change TARGET_* macros to use table lookup.
6865 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6866 (ADJUST_COST): Change definition to call function in i386.c.
6867 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6868 * i386.c: Add AMD K6 support.
6869 Add constants for feature tests used by TARGET_* macros.
6870 (split_di): If before reload, call gen_lowpart and gen_highpart.
6871 (x86_adjust_cost): New function.
6872 (put_jump_code): New function.
6873 (print_operand): New codes 'D' and 'd'.
6874 * i386.md: New insn types. New insn attribute "memory".
6875 Redefine scheduling parameters to use new types and add AMD K6
6876 support. Explicitly set type of most insns.
6877 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6878 Pro and K6 prefer movl $1,reg to incl reg.
6879 (adddi3, subdi3): Set cc_status.
6880 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6881 to int; x86 can't have more than 2^31 DImode shifts per file.
6882 (setcc): Combine all setcc patterns. Allow writing memory.
6883 Combine all jump patterns using match_operator.
6884 (*bzero): Name pattern. Emit mutliple stos instructions when that
6885 is faster than rep stos.
6886 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6889 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6891 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6894 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6896 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6897 not whatever we're generating now.
6899 * alpha.c (set_frame_related_p, FRP): New.
6900 (alpha_expand_prologue): Mark frame related insns.
6901 (alpha_expand_epilogue): Likewise, but with a null FRP.
6902 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6903 * alpha.md (exception_receiver): New.
6904 * alpha/crtbegin.asm (.eh_frame): New beginning.
6905 (__do_frame_setup, __do_frame_takedown): New.
6906 * alpha/crtend.asm (.eh_frame): New ending.
6907 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6908 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6909 (ASM_FILE_START): Don't emit .file for dwarf2.
6911 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6912 * rtl.c (reg_note_name): Likewise.
6913 * rtl.texi (REG_NOTES): Likewise.
6914 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6917 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6919 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6920 * i386.md (movsf, movdf, movxf): Validate memory address returned
6921 from force_const_mem. Kill useless REG_EQUAL setting code.
6923 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6925 * m68k.md (zero_extendsidi2): Fix typo.
6927 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6929 * configure.in: Removed references to the removed file
6930 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6931 * arm*-*-netbsd* and ns32k-*-netbsd*.
6932 * config/i386/xm-netbsd.h: Removed unnecessary file.
6933 * config/m68k/xm-netbsd.h: Likewise.
6934 * config/sparc/xm-netbsd.h: Likewise.
6935 * config/mips/xm-netbsd.h: Likewise.
6937 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6939 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6940 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6942 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6943 for exact section attributions.
6945 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6947 * i386/crtdll.h (CPP_PREDEFINES): Define.
6949 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6951 * m68k.md (5200 movqi): Do not allow byte sized memory references
6953 * m68k.c (output_move_qimode): Do not use byte sized operations on
6956 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6957 explicit rules for building. Similarly for alloca, vfprintf,
6958 choose-temp and mkstemp, getopt, getopt1, and obstack.
6959 (INCLUDES): Add $(srcdir)/../include.
6960 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6961 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6963 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6965 * gcc.c (do_spec_1): [case 'o'] Account for
6966 lang_specific_extra_outfiles.
6967 (main): Correctly clear all slots in outfiles for
6968 lang_specific_extra_outfiles. Set input_file_number before
6969 calling lang_specific_pre_link.
6971 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6973 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6975 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6977 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6979 (sparc_output_deferred_case_vectors): If no work to do, return.
6980 Fix thinko in Sept 1 change.
6982 1998-09-03 SL Baur <steve@altair.xemacs.org>
6984 * Makefile.in: add semicolon in BISON definition for portability.
6986 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6988 * config/nextstep.c (handle_pragma): Correct name of third
6991 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6993 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6994 * config/m32r/m32r.h: Make register 17 be fixed.
6995 * config/m32r/m32r.c: Use SImode for cc operations.
6997 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6999 * invoke.texi (Warning Options): Add -Wnon-template-friend
7002 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7004 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7006 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7008 * rs6000.md (movsf): Disable explicit secondary-reload-like
7009 functionality if TARGET_POWERPC64.
7010 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7013 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7015 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7016 and term.h from fixinc.wrap.
7018 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7020 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7021 safe to include both string.h and strings.h together.
7022 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7023 which headers to search for function declarations. Continue to
7024 prefer string.h over strings.h when both are not acceptable.
7026 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7028 * configure.in: Call GCC_HEADER_STRING.
7030 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7031 to include. Continue to prefer string.h over strings.h when both
7034 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7036 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7037 not assume top 32-bits of symbolic addresses are zero if
7040 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7042 * ginclude/va-alpha.h: Protect entire second portion of the
7043 file against double inclusion.
7045 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7047 Added support for the Boehm's garbage collector.
7048 * configure.in: Handle --enable-objc-gc.
7049 * configure: Rebuilt.
7050 * Makefile.in (CHECK_TARGETS): Add check-objc.
7051 (check-objc): New rule.
7052 * objc/Make-lang.in: Build a different Objective-C library that
7053 runs with the Boehm's collector.
7054 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7055 * objc/encoding.c: Correctly compute the size of compound types in
7056 the presence of bitfields. Skip the variable name of the type if
7057 any. Added support for long long.
7058 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7059 (_F_GCINVISIBLE): New mask.
7060 * objc/gc.c: New file. Compute the type memory mask associated with
7061 a class based on the runtime information.
7062 * objc/misc.c: Added the hooks that use the Boehm's collector
7063 allocation functions.
7064 * objc/objc-act.c (build_class_template): Generate a new class
7065 member (gc_object_type) to hold the class' type memory mask.
7066 (build_shared_structure_initializer): Initialize the new member to
7068 (encode_complete_bitfield): New function. Generate the new
7070 (encode_field_decl): Generate the new encoding only for the GNU
7072 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7074 (class_get_gc_object_type): New function to mark a pointer instance
7075 variable as a weak pointer.
7076 * objc/objc-features.texi: New file.
7077 * objc/objc.h (gc_object_type): New class member.
7078 * objc/objects.c (class_create_instance): Create a typed memory
7079 object when compiled with Boehm's collector support.
7080 * objc/sendmsg.c (__objc_init_install_dtable): Call
7081 __objc_send_initialize instead of setting the initialize flag.
7082 (__objc_send_initialize): Call __objc_generate_gc_type_description
7083 to generate the class type memory mask. Rewrite the code that
7084 sends the +initialize so that it is called only once (bug report
7085 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7086 * testsuite/objc: New testsuite for Objective-C type encoding.
7087 * testsuite/lib/objc-torture.exp: New file.
7088 * testsuite/lib/objc.exp: New file.
7090 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7092 * jump.c (jump_optimize): In if/then/else transformations, add
7093 another call to modified_between_p for the jump insn.
7095 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7097 * fix-header.c (symlink): Treat like readlink.
7099 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7101 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7104 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7106 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7107 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7108 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7110 * config/nextstep.c (handle_pragma): Take three arguments, as per
7111 the new HANDLE_PRAGMA macro specification.
7112 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7113 per the new HANDLE_PRAGMA macro specification.
7114 * config/i960/i960.c (process_pragma): Take three arguments, as
7115 per the new HANDLE_PRAGMA macro specification.
7117 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7119 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7120 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7121 if unknown pragmas are encountered.
7122 (handle_sysv_pragma): Interpret return code from
7123 handle_pragma_token (). Return success/failure indication rather
7124 than next unprocessed character.
7125 (pragma_getc): New function: retrieves characters from the
7126 input stream. Defined when HANDLE_PRAGMA is enabled.
7127 (pragma_ungetc): New function: replaces characters back into the
7128 input stream. Defined when HANDLE_PRAGMA is enabled.
7130 * c-pragma.c (handle_pragma_token): Return success/failure status
7133 * c-pragma.h: Change prototype of handle_pragma_token().
7135 * varasm.c: (handle_pragma_weak): Only create this function if
7136 HANDLE_PRAGMA_WEAK is defined.
7138 * c-common,c (decl_attributes): If defined call the expression
7139 contained within the INSERT_ATTRIBUTES macro before adding
7140 attributes to a decl.
7142 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7143 HANDLE_PRAGMA, which takes three arguments.
7144 (INSERT_ATTRIBUTES): Document this new macro.
7146 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7147 new INSERT_ATTRIBUTES macro.
7149 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7151 * config/sparc/sparc.md (movdf): Only generate special RTL for
7152 LABEL_REFs when PIC.
7153 (move_label_di): Remove
7154 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7155 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7156 references when PIC.
7157 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7158 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7159 output an .xword for all 64-bit cases.
7161 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7163 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7164 alignment, use FUNCTION_BOUNDARY instead.
7165 (sparc_output_deferred_case_vectors): Likewise.
7167 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7169 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7170 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7172 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7174 * alpha/va_list.h: New file.
7175 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7177 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7179 * NEWS: Add SCO Openserver and Unixware 7 notes.
7183 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7185 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7186 (record_constant_1): Handle RANGE_EXPR.
7188 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7190 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7191 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7192 and NOTE_INSN_RANGE_END specially.
7193 (reemit_notes): Likewise.
7195 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7197 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7198 (ultrasparc_sched_init): Remove unneeded &.
7200 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7202 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7203 for m68020-60, to prevent the use of fintrz.
7205 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7207 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7209 * Makefile.in: Likewise.
7210 * configure: Regenerated.
7212 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7214 * configure.in (gxx_include_dir): Changed to
7215 '${prefix}/include/g++'-${libstdcxx_interface}.
7216 * configure: Rebuilt.
7218 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7220 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7222 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7223 *sequences* *below* which scalar moves will be used.
7225 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7227 * collect2.c (mktemp): Delete unused declaration.
7229 * config/xm-netbsd.h: Remove unnecessary file.
7230 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7231 file anymore, it is not needed.
7233 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7235 * convert.c (convert_to_integer): Issue an error on conversions to
7238 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7240 * Makefile.in: Add lang_tree_files and gencheck.h.
7241 * configure.in: Generate them.
7242 * gencheck.c: Include gencheck.h.
7244 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7246 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7247 movdi_lo_sum_pic and movdi_high_pic and make visible.
7248 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7249 emit these when Pmode is not SImode.
7250 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7252 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7254 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7255 .linkonce directive after the first time.
7257 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7259 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7260 the clobbered operand overlaps with an input.
7261 (bne0_di): Similarly.
7263 * Makefile.in (INSTALL): Remove "--no-header" argument.
7265 * NEWS: Various updates.
7267 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7269 * config/sparc/sparc.c (arith_operand, const64_operand,
7270 const64_high_operand, arith_double_4096_operand): Mark mode as
7272 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7274 (sparc_emit_set_const64): Remove unused variable i.
7275 (sparc_splitdi_legitimate): Likewise for addr_part.
7276 (ultra_code_from_mask): Likewise for mask.
7277 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7278 reverse return values so it matches usage and comments.
7279 (ultra_flush_pipeline): Likewise.
7280 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7281 this_type, and allow loads and stores of differing FP modes as
7282 they do not create a conflict.
7283 (ultra_find_type): Initialize fpmode to SFmode, fix
7284 parenthesization thinkos in large conditional.
7285 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7286 Init free_slot_mask after ultra_cur_hist is reset, not before.
7287 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7288 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7289 use ultra_flush_pipeline instead, then re-init group pointer.
7290 Fix statement with no effect. If no progress made in, and no
7291 instructions scheduled at all, advance to new pipeline cycle else
7292 we get into an endless loop.
7293 (ultrasparc_adjust_cost): Remove previous arg.
7294 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7296 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7298 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7299 code. Use reg_overlap_mentioned_p to detect when source and
7300 destination overlap.
7301 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7303 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7305 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7306 COMPARISON_VAL, into invariant_p.
7308 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7310 * regmove.c (regclass_compatible_p): New function.
7311 (regmove_optimize): Use it.
7313 Use NREGS parameter insted of calling max_reg_num.
7315 (fixup_match_1): Don't use code = MINUS when later tieing with
7316 a hard register is likely.
7318 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7320 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7321 COMPARISON_VAL was normalized.
7323 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7325 * loop.c (check_dbra_loop): The loop ending comparison value
7326 must be an invariant or we can not reverse the loop.
7328 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7329 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7331 (load_mems_and_recount_loop_regs_set): Likewise.
7333 * i386.c (print_operand): Remove obsolete 'c' docs.
7335 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7337 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7338 * frame.c (init_object_mutex): New function.
7339 (init_object_mutex_once): Likewise.
7340 (find_fde): Call it.
7341 (__register_frame_info): Likewise.
7342 (__register_frame_info_table): Likewise.
7343 (__deregister_frame_info): Likewise.
7345 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7347 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7349 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7351 * loop.c (check_dbra_loop): Enable code for reversal
7352 of some loops without a known constant loop end.
7354 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7356 * haifa-sched.c (last_clock_var): New.
7357 (schedule_block): Initialize it.
7358 (schedule_insn): Use it to fill insn modes with issue information.
7360 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7361 Tag trapb and next insn with TImode.
7362 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7363 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7364 Invoke alphaev5_align_insns as appropriate.
7365 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7366 (MD_SCHED_VARIABLE_ISSUE): New.
7367 * alpha.md (attr type): Add multi.
7368 (define_asm_attributes): New.
7369 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7370 (arg_home): Likewise.
7371 (fnop, unop, realign): New.
7373 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7375 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7376 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7378 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7379 (rs6000-ibm-aix4.[12]*): Likewise.
7380 * configure: Regnerate.
7382 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7384 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7385 already contains the return address.
7387 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7389 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7390 word sized hunks when loading unaligned args into registers.
7392 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7393 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7395 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7397 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7399 * loop.c (check_dbra_loop): Add some code that would allow reversal
7400 of some loops without a known constant loop end if it were enabled.
7402 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7404 * mips.md (lshrsi3_internal2+2): Fix type-o.
7406 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7409 correctly with regards to stdio.h.
7411 * calls.c: Remove stdarg.h/varargs.h.
7414 * combine.c: Likewise.
7415 * cpperror.c: Likewise.
7416 * cpplib.c: Likewise.
7417 * cpplib.h: Likewise.
7418 * doprint.c: Likewise.
7419 * emit-rtl.c: Likewise.
7420 * final.c: Likewise.
7421 * fix-header.c: Likewise.
7423 * genattr.c: Likewise.
7424 * genattrtab.c: Likewise.
7425 * gencodes.c: Likewise.
7426 * genconfig.c: Likewise.
7427 * genemit.c: Likewise.
7428 * genextract.c: Likewise.
7429 * genflags.c: Likewise.
7430 * genopinit.c: Likewise.
7431 * genoutput.c: Likewise.
7432 * genpeep.c: Likewise.
7433 * genrecog.c: Likewise.
7434 * mips-tfile.c: Likewise.
7435 * prefix.c: Likewise.
7436 * protoize.c: Likewise.
7437 * regmove.c: Likewise.
7438 * toplev.c: Likewise.
7441 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7443 * config/sparc/sparc.c (sparc_override_options): If not
7444 TARGET_FPU, turn off TARGET_VIS.
7445 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7446 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7447 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7448 (movdi_insn_sp64): Add VIS fzero alternative.
7449 (clear_sf, clear_df): New VIS patterns.
7450 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7452 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7454 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7456 * loop.c (n_times_set, n_times_used, may_not_optimize,
7457 reg_single_usage): Convert to varrays. All uses changed.
7458 (insert_loop_mem): Return a value.
7459 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7460 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7463 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7466 * configure.in: Do not set thread_file to "irix" since no such
7469 * sparc.md (float abs/neg splits): Check reload_completed before
7470 calling alter_subreg.
7472 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7474 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7476 * config/sparc/sparc.h: Declare it.
7477 * config/sparc/sparc.md (float abs/neg splits): Use it.
7478 (all other splits): Handle SUBREGs properly where necessary.
7479 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7481 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7483 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7484 an insn on the unfilled_slots_list that has no delay slots.
7485 (fill_eager_delay_slots): Similarly.
7487 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7489 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7490 as an ordinary operand.
7492 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7494 * tree.c (valid_machine_attribute): Don't apply attributes to both
7497 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7499 * reload.c (operands_match_p): Handle rtvecs.
7501 * i386.c (legitimate_pic_address_disp_p): New.
7502 (legitimate_address_p): Use it.
7503 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7504 Handle constant pool symbols just like statics.
7505 (emit_pic_move): Use Pmode not SImode for clarity.
7506 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7507 [UNSPEC]: New, handling what we killed above.
7508 [PLUS]: Detect and abort on invalid symbol arithmetic.
7509 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7511 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7513 * alias.c: Include output.h.
7514 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7515 different if we're in a varargs function.
7516 * Makefile.in (alias.o): Depend on output.h
7518 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7520 * sh.h (GIV_SORT_CRITERION): Delete.
7522 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7524 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7525 * stupid.c (stupid_life_analysis): Ditto.
7526 * reload1.c (reload): Ditto.
7528 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7530 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7531 arith_double_4096_operand, arith_double_add_operand): New
7533 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7534 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7535 them to transform add/sub 4096 into add/sub -4096.
7537 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7539 * loop.c (scan_loop): Allocate some slop to handle pseudos
7540 generated by move_movables.
7541 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7544 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7546 * tree.def (DECL_RESULT): Correct documentation.
7548 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7550 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7551 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7552 conflicts will all RELOAD_FOR_OUTPUT reloads.
7554 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7555 loads the function result, substitute with a USE.
7557 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7559 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7560 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7561 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7562 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7563 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7564 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7566 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7567 'o' to 'm' for GPR variant constraints.
7569 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7571 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7573 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7575 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7576 when the source and destination overlap.
7578 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7579 clash with global type.
7581 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7583 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7585 * c-common.c (combine_strings): Also set TREE_READONLY.
7586 Change warn_write_strings to flag_const_strings.
7587 * c-decl.c, c-tree.h: Likewise.
7589 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7591 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7592 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7593 sequence, use SET/IOR instead so CSE can see it.
7594 * config/sparc/sparc.md (movhi_const64_special,
7595 movsi_const64_special): New patterns necessitated by that change.
7596 (movhi_high): Remove.
7597 (movhi_lo_sum): Change to match an IOR.
7598 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7599 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7600 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7601 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7602 registers are involved.
7603 (snesi_zero_extend split): Remove reload_completed test.
7604 (unnamed plus and minus zero_extend sidi splits): Add it.
7606 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7608 * extend.texi: Remove description of extension to explicit
7609 instantiation that is now endorsed by standard C++.
7611 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7613 * config/arc/arc.c (arc_initialize_pic): Remove.
7614 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7615 nothing on any platform and is invoked by no-one, it does not even
7616 appear in the documentation.
7617 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7618 * config/sparc/sparc.c (initialize_pic): Likewise.
7619 (find_addr_reg): Remove this as well, no longer referenced after
7622 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7624 * recog.c (validate_replace_rtx_group): New function.
7625 * recog.h (validate_replace_rtx_group): Declare it.
7626 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7627 the entire group of substitutions.
7629 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7631 * loop.c (load_mems): Fix initializers.
7633 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7635 * config/sparc/sparc.md (TFmode splits): Handle destination
7636 registers being referenced in the address correctly.
7638 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7639 TREE_UNSIGNED, when bitsize of type's mode is larger than
7640 HOST_BITS_PER_WIDE_INT.
7642 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7644 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7645 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7646 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7648 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7651 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7653 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7654 * h8300.h (TINY_DATA_NAME_P): Likewise.
7655 (STRIP_NAME_ENCODING): Handle '&'.
7657 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7658 register (it could be accessed via an outer SUBREG).
7659 (REG_OK_FOR_BASE_P): Likewwise.
7660 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7662 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7665 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7667 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7669 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7670 must be offsettable so the splits can be made.
7672 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7674 * config/i386/winnt.c: Include system.h, not stdio.h to get
7675 sys/param.h pulled in before rtl.h in case the system defines MIN
7678 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7680 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7682 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7684 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7686 * cpplib.c (cpp_define): Handle macros with parameters.
7688 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7690 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7691 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7692 and DImode 64-bit. Use llong for minimal-toc SFmode and
7693 SYMBOL_REF / LABEL_REF 64-bit.
7694 (output_function_profiler): Use llong for profiler label and ld to
7695 load 64-bit label address.
7697 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7699 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7702 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7704 * version.c: Bump for snapshot.
7706 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7708 * version.c: Bump for snapshot.
7710 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7712 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7714 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7716 * tm.texi (Misc): Fix typo "teh".
7718 * tm.texi (PIC): Fix typo "PPIC".
7720 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7721 effect when -O2 and higher.
7722 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7724 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7726 * regclass.c: Changed register set documentation to be consistent
7729 * final.c (final_start_function) Removed redundant test for
7732 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7734 * rtl.h (rtx_function): New type.
7735 (for_each_rtx): New function.
7736 * rtlanal.c (for_each_rtx): Define it.
7738 * recog.c (change_t): New type.
7739 (change_objects, change_old_codes, change_locs, change_olds):
7741 (changes): New variable.
7742 (validate_change): Dynamically allocate room for more changes, if
7743 necessary. Uses changes array instead of change_objects, etc.
7744 (apply_change_group): Use changes array instead of
7745 change_objects, etc.
7747 * loop.c (loop_mem_info): New type.
7748 (loop_mems): New variable.
7749 (loop_mems_idx): Likewise.
7750 (looop_mems_allocated): Likewise.
7751 (scan_loop): Remove nregs parameter.
7752 (next_insn_in_loop): New function.
7753 (load_mems_and_recount_loop_regs_set): Likewise.
7754 (load_mems): Likewise.
7755 (insert_loop_mem): Likewise.
7756 (replace_loop_mem): Likewise.
7757 (replace_label): Likewise.
7758 (INSN_IN_RANGE_P): New macro.
7759 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7760 (scan_loop): Remove nregs parameter, compute it after any new
7761 registers are created by load_mems. Use INSN_IN_RANGE_P and
7762 next_insn_in_loop rather than expanding them inline. Call
7763 load_mems to load memory into pseudos, if appropriate.
7764 (prescan_loop): Figure out whether or not there are jumps from the
7765 loop to targets other than the label immediately following the
7766 loop. Call insert_loop_mem to notice all the MEMs used in the
7767 loop, if it could be safe to pull MEMs into REGs for the duration
7769 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7771 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7773 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7775 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7777 * config/sparc/sparc.c (finalize_pic): Check for the correct
7778 nonlocal_goto_receiver UNSPEC number.
7779 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7780 making note of this dependency existing in sparc.c
7781 (negtf2_notv9 split): Give NEG SFmode.
7782 (negsf2): Fix insn output string.
7784 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7786 * c-common.c (decl_attributes): Issue an error if the argument
7787 to alias is not a string.
7789 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7791 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7792 pending memory flush list.
7794 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7796 (try_combine): Allow combining insns with REG_LIBCALL notes.
7798 * expr.c (emit_block_move): Do not call memcpy as a libcall
7799 instead build up a CALL_EXPR and call it like any other
7801 (clear_storage): Similarly for memset.
7803 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7806 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7809 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7810 and REG_LIVE_LENGTH as successful substitutions are made.
7812 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7814 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7815 statement after end of loop label.
7817 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7819 * config/sparc/sparc.c (ultra_types_avail): New variable.
7820 (ultra_build_types_avail): New function to record mask of insn
7821 types in ready list at this cycle.
7822 (ultrasparc_sched_reorder): Call it.
7823 (ultra_find_type): Use it to quicken the search. Also simplif
7824 dependency check, don't use rtx_equal_p because we know exactly
7825 what we are looking for.
7827 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7829 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7830 for architecture v4.
7832 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7834 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7836 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7837 movdf_const_intreg and helper splits): New patterns to move float
7838 constants into integer registers.
7839 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7842 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7845 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7847 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7849 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7850 a BASE_REGS register is needed as an intermediate when copying
7851 a symbolic value into any register class other than BASE_REGS.
7853 * expr.c (move_by_pieces): No longer static. Remove prototype.
7854 * rtl.h (move_by_pieces): Add extern prototype.
7855 * mips.c (expand_block_move): Handle aligned straight line copy by
7856 calling move_by_pieces.
7858 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7861 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7863 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7864 jumps out of the loop to be treated as part of the exit test.
7866 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7867 Jeff Law <law@cygnus.com>
7869 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7870 * cplus-dem.c: Delete.
7872 * Makefile.in (fold-const.o): depend on $(RTL_H).
7874 * fold-const.c: Include rtl.h to get the prototype for
7875 `set_identifier_local_value'.
7877 * loop.c (express_from_1): Remove unused variable `tmp'.
7878 (combine_givs): cast the first argument of bzero to char *.
7880 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7882 * c-decl.c (init_decl_processing): Remove unneeded &.
7884 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7886 * except.c (set_exception_lang_code, set_exception_version_code):
7887 Change parameter from `short' to `int' to avoid using a gcc
7890 * except.h (set_exception_lang_code, set_exception_version_code):
7891 Likewise for prototypes.
7893 * flow.c (count_reg_references): Remove unused variables `regno'
7896 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7898 * prefix.c (translate_name): Cast the result of `alloca'.
7900 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7902 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7904 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7906 (valid_dbcc_comparison_p): Mark mode argument as unused.
7907 (symbolic_operand): Likewise.
7908 (legitimize_pic_address): Likewise.
7909 (const_uint32_operand): Likewise.
7910 (const_sint32_operand): Likewise.
7911 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7912 schedule_insns and comment out rest of file.
7914 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7916 (output_move_[hq]imode): Likewise.
7918 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7920 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7921 * invoke.texi: Corresponding changes.
7923 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7925 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7927 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7929 * config/sparc/sparc.c (ultra_code_from_mask,
7930 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7931 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7932 ultrasparc_sched_init, ultrasparc_variable_issue,
7933 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7934 functions to describe UltraSPARC pipeline exactly to Haifa.
7935 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7936 as there is nothing the scheduler can do about it. Indicate that
7937 REG_DEP_OUTPUT's collide. Fixup formatting.
7938 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7939 divide costs on Ultra for DImode.
7940 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7942 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7943 ieuN and add call_no_delay_slot to type list.
7944 (cti function unit): New unit for branches on UltraSPARC.
7945 (subx/addx insns): Set type to misc.
7946 (sidi zero/sign extension insns on arch64): Set type to shift.
7947 (sign_extendhidi2_insn): Set type to sload.
7949 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7951 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7952 (output_epilog): Use if != 0 for offset.
7953 (rs6000_fatal_bad_address): Prepare for Intl.
7954 * rs6000.h (rs6000_fatal_bad_address): Declare.
7955 * rs6000.md (movsfcc, movdfcc): Use else if.
7956 (elf_high): Use {liu|lis}.
7957 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7958 (movsi): Use rs6000_fatal_bad_address.
7960 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7962 * reload.c (find_equiv_reg): Reject equivalences separated
7963 by a volatile instruction.
7965 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7967 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7969 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7971 * alpha.md (movsicc): Fix mode mismatch.
7973 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7975 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7977 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7979 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7981 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7982 write-only modifier from operand 1 constraint.
7984 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7986 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7987 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7989 (sparc_emit_set_const64): Likewise, also when computing trailing
7990 bits do not negate low_bits and make fast_int an int.
7992 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7994 * loop.c (add_label_notes): Do not ignore references to labels
7995 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7996 * gcse.c (add_label_notes): Similarly.
7998 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8000 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8001 (adddi_dishl32): Similarly.
8003 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8005 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8006 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8007 * cse.c (cse_basic_block): Add parens to shut up warnings.
8009 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8011 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8012 sparc_emit_set_const64_longway, const64_is_2insns,
8013 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8014 in 64-bit constant formation.
8015 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8016 rtl for addx not subx.
8017 (define_insn movdi_const64_special): Make available even when
8018 HOST_BITS_PER_WIDE_INT is not 64.
8019 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8020 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8021 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8022 instances of operand 1 inside a QI subreg.
8023 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8024 (one_cmpldi2_sp64): Fix output string.
8025 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8027 (unnamed arch64 ashift DI): Truncate shift count if greater than
8030 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8032 * expr.c (store_expr): Don't optimize away load-store pair
8033 when either source or destination have a side effect.
8035 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8037 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8038 operands of SET are incompatible.
8040 * alpha.md: Fix max and min patterns so modes of SET operands match.
8042 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8044 * configure.in: Avoid [[ by using test and changequote.
8045 * configure: Rebuild.
8047 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8049 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8051 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8052 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8053 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8054 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8055 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8056 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8057 Fix mismatching modes in SET operands.
8058 (conditional move patterns): Fix formatting.
8059 (unnamed subx arch64 pattern): Remove duplicate insn.
8061 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8063 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8064 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8065 (input_operand): Fixup test for what we accept for constant
8067 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8069 (safe_constDI): Remove.
8070 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8071 gen_safe_XOR64): New functions.
8072 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8073 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8075 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8076 available when HOST_BITS_PER_WIDE_INT is not 64.
8077 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8078 move before movdi_insn_sp64 pattern.
8079 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8080 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8081 symbolic_operand as predicate for second operand.
8082 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8083 expander): Give set VOIDmode.
8085 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8087 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8089 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8091 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8093 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8095 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8097 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8099 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8101 * install.texi: Various SCO OpenServer tweaks.
8103 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8105 * reload1.c (eliminate_regs_in_insn): Handle another case when
8106 eliminating the frame pointer to the hard frame pointer. Add
8107 missing ep->to_rtx check to one existing case.
8109 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8111 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8113 * tree.h: De-conditionalize init_priority code.
8115 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8116 * collect2.c (NM_FLAGS): Change from -p to -n.
8118 * configure.in: Turn on collect2 for mipstx39-elf.
8119 Handle use_collect2=no properly.
8121 * c-common.c: De-conditionalize init_priority code.
8122 * collect2.c (extract_init_priority, sort_ids): New fns.
8123 (main): Call sort_ids.
8124 Move sequence_number to file scope.
8126 * configure.in: Handle --enable-init-priority.
8127 * c-common.c (attrs): Add A_INIT_PRIORITY.
8128 (init_attributes, decl_attributes): Likewise.
8129 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8130 * tree.c (get_file_function_name_long): Split out...
8131 (get_file_function_name): ...from here.
8133 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8135 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8138 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8140 * toplev.c (display_help): Add braces to shut up warnings.
8141 * tree.c (simple_cst_equal): Likewise.
8143 * fold-const.c (non_lvalue): Don't deal with null pointer
8145 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8147 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8148 of any size to a pointer.
8150 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8152 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8154 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8156 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8157 which will be saved.
8158 * mn10300.md (prologue insn): Only save registers which need saving.
8159 (epilogue insn): Similarly.
8161 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8164 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8166 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8167 VAR_DECL's in gp addressable sections.
8169 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8171 * sparc.c: Change return <exp> to <exp>; return; in functions
8173 * sparc.md: Add empty semicolon statement after final label in
8176 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8178 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8179 addx_extend_sp64, only allow when TARGET_ARCH64.
8180 (define_insn addx_extend_sp32 and split): Version that works when
8182 (define_insn subx_extend): Likewise.
8183 (define_split adddi3 and subdi3 with zero extension): Fixup and
8184 correct bugs when not TARGET_ARCH64.
8186 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8188 * except.c (set_exception_lang_code, set_exception_version_code):
8189 Use prototype-style definition if __STDC__, to match declaration
8192 * genemit.c: Change FAIL and DONE macros not to use loops.
8194 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8196 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8197 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8199 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8201 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8203 * README.g77: Update from Craig.
8205 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8207 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8209 (safe_constDI sparc_emit_set_const64_quick1,
8210 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8211 analyze_64bit_constant, const64_is_2insns,
8212 create_simple_focus_bits): Fix some bugs when compiled on real
8214 (function_arg_record_value_3, function_arg_record_value_2,
8215 function_arg_record_value): Add fully prototyped forward decls.
8216 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8217 to cmpsi_insn and use on both 64 and 32 bit targets.
8218 (define_insn cmpsi_insn_sp64): Remove.
8219 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8220 (define_insn zero_extendsidi2_insn): Rename to
8221 zero_extendsidi2_insn_sp64.
8222 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8223 assosciated forced split for it.
8225 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8227 * config/sparc/sparc.h: Declare them.
8228 (PREDICATE_CODES): Add them.
8229 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8230 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8232 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8234 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8235 in v9 case as the latter makes the Solaris assembler crash.
8237 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8239 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8240 for TFmode when !v9. We require offsettable memory addresses.
8241 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8242 DFmode register number conversions.
8243 * config/sparc/sparc.md (define_split DFmode moves): If register
8244 is a SUBREG do alter_subreg on it before using.
8245 (define_expand movtf): Fixup comment about alignment on v9.
8246 (define_split TFmode moves): Don't use gen_{high,low}part, create
8247 explicit SUBREGs instead.
8249 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8251 * Makefile.in (mbchar.o): Depend on mbchar.c.
8253 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8254 Richard Henderson <rth@cygnus.com>
8256 Rewrite Sparc backend for better code generation and
8257 improved sparc64 support.
8258 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8260 * config/sparc/sysv4.h: Likewise.
8261 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8262 move_operand, v8plus_regcmp_op, emit_move_sequence,
8263 singlemove_string, doublemove_string, mem_aligned_8,
8264 output_move_double, output_move_quad, output_fp_move_double,
8265 move_quad_direction, output_fp_move_quad, output_scc_insn):
8267 (small_int_or_double): New predicate.
8268 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8269 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8270 old pic_{sethi,lo_sum}_si patterns.
8271 (mem_min_alignment): New generic function to replace
8272 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8273 available and can test for arbitrary alignments. All callers
8275 (save_regs, restore_regs, build_big_number,
8276 output_function_prologue, output_cbranch, output_return,
8277 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8278 sparc_flat_output_function_epilogue): Prettify
8280 (output_function_epilogue): Likewise and add code to output
8281 deferred case vectors.
8282 (output_v9branch): Likewise, add new arg INSN and use it to tack
8283 on branch prediction settings. All callers changed.
8284 (print_operand): Likewise and output %l44 for LO_SUMs when
8286 (sparc_splitdi_legitimate): New function to make sure DImode
8287 splits can be run properly when !arch64.
8288 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8289 Reformat example code in comments.
8290 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8291 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8292 of deferred case vectors we need to output.
8293 (sparc_defer_case_vector): Record a case vector.
8294 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8295 sparc_output_deferred_case_vectors): New functions to output them.
8296 (sparc_emit_set_const32): New function to form 32-bit constants in
8297 registers when that requires more than one instruction.
8298 (safe_constDI, sparc_emit_set_const64_quick1,
8299 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8300 analyze_64bit_constant, const64_is_2insns,
8301 create_simple_focus_bits, sparc_emit_set_const64): New functions
8302 which do the same for 64-bit constants when arch64.
8303 (sparc_emit_set_symbolic_const64): New function to emit address
8304 loading for all code models on v9.
8305 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8306 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8307 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8308 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8309 inaccuracies in comments, add symbolic and text_segment operands
8310 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8311 GENERAL_REGS in these cases as a temp REG is needed to load these
8312 addresses into a register properly.
8313 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8315 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8316 quads are guarenteed to have 16-byte alignment.
8317 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8318 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8319 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8320 deferred case vector implementation.
8321 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8322 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8323 Generate "internal label - label" instead of "label - 1b".
8324 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8325 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8326 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8328 (doublemove_string, output_block_move, output_fp_move_double,
8329 output_fp_move_quad, output_move_double, output_move_quad,
8330 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8331 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8332 (sparc_emit_set_const32, sparc_emit_set_const64,
8333 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8334 mem_min_alignment, small_int_or_double): Add externs.
8335 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8336 UNSPEC_VOLATILE in this backend.
8337 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8338 unary to types which execute in it.
8339 (define_function_unit ieu_shift): Rename to ieu0.
8340 (define_function_unit ieu1): New, executes compare, call, and
8341 uncond_branch type insns.
8342 (define_function_units for type fdivs, fdivd, fsqrt): These
8343 execute in the fpu multiply unit not the adder on UltraSparc.
8344 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8345 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8346 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8347 allows the arith_double_operand predicate and rHI constraint when
8349 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8350 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8351 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8352 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8353 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8354 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8355 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8356 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8357 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8358 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8359 sign_extendqihi2_insn, sign_extendqisi2_insn,
8360 sign_extendqidi2_insn, sign_extendhidi2_insn,
8361 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8362 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8363 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8364 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8365 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8366 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8367 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8368 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8369 smulsi3_highpart_v8plus, unnamed subreg mult,
8370 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8371 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8372 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8373 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8374 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8375 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8376 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8377 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8378 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8379 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8380 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8381 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8382 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8383 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8384 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8385 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8386 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8387 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8388 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8389 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8390 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8391 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8392 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8393 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8394 call_address_untyped_struct_value_sp32,
8395 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8396 call_value_symbolic_sp32, call_value_address_sp64,
8397 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8398 flush_register_windows, goto_handler_and_restore,
8399 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8400 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8401 return_addsi, return_di, return_adddi, return_sf, all call+jump
8402 peepholes, trap, unnamed trap insns): Prettify output strings.
8403 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8404 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8405 Likewise and force + implement splits for integer cases.
8406 (define_insn return_sf_no_fpu): Likewise and allow to match when
8407 no-fpu because of our subreg SFmode splits.
8408 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8409 zero_extendqidi2_insn, zero_extendhidi2_insn,
8410 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8411 input_operand for second operand.
8412 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8413 reg_or_0_operand for operand 2 so new splits can use it.
8414 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8415 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8417 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8418 CONST_DOUBLEs for operand 2.
8419 (define_insn move_label_di): Likewise and label distance
8420 optimization because it no longer works with new deferred case
8421 vector scheme. To be revisited.
8422 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8423 and allow reg_or_0_operand and J constraint for second operand.
8424 (define_insn jump): Set branch predict taken on V9.
8425 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8426 new deferred case vector scheme.
8427 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8428 (define_insn negdi2_sp32): Force + implement splits.
8429 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8430 one_cmplsi2_not_liveg0 respectively, and create expander of original
8431 names which emit special rtl for TARGET_LIVE_G0.
8432 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8433 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8434 gen_compare_reg, FAIL instead.
8435 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8436 values when trying to reverse condition codes, if they FAIL then
8438 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8439 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8440 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8441 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8442 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8443 set output string to # to indicate they are mandatory splits.
8444 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8445 pic_sethi_di, move_pic_label_si): Remove.
8446 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8447 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8449 (define_expand movsi_pic_label_ref, define_insn
8450 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8451 expander and insns to handle PIC label references and deferred
8453 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8455 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8456 Rewrite to not use emit_move_sequence, make use of new constant
8457 formation code, and new splits for all multi-insn cases.
8458 (define_insn movqi_insn): Remove sethi case, it can never happen.
8459 Use reg_or_zero_operand instead of const0_rtx explicit test,
8460 use input_operand instead of move_operand for source, and use
8461 general_operand now for dest.
8462 (define_insn movhi_insn): Similar but leave sethi case.
8463 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8464 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8465 movhi_lo_sum respectively, prettify output string.
8466 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8467 register when needed on TARGET_LIVE_G0.
8468 (define_insn movsi_insn): Use general_operand and input_operand
8469 for dest and src respectively. Simplify applicability test.
8470 Prettify output strings, and add clr alternative for J
8472 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8473 deprecated std and reg-reg DI moves): Remove and...
8474 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8475 implementation which uses forced splits for all non-single insn
8477 (define_split DI move cases on !arch64): New splits to handle all
8478 situations of 64-bit double register DImode on 32bit, and
8479 unaligned registers and memory addresses for all subtargets.
8480 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8482 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8483 input_operand for dest and src respectively, prettify output
8485 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8486 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8488 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8489 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8490 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8491 movtf_no_e_insn_sp64) Replace with new
8492 implementation which uses forced splits for all non-single insn
8494 (define_split DF move cases): New splits in similar vein to DI
8496 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8497 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8498 movdi_sp64_insn): Remove old v9 code model and constant loading
8500 (define_insn pic_lo_sum_di, pic_sethi_di,
8501 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8502 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8503 embmedany_sethi, embmedany_losum, embmedany_brsum,
8504 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8505 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8506 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8507 scheme, using unspecs, secondary reloads, and one to one sparc
8508 insn to rtl insn mapping for better scheduling and code gen.
8509 (define_expand reload_indi, reload_outdi): Reload helpers for
8510 MEDANY and EMBMEDANY symbol address loading cases which require a
8512 (define_expand movsicc): Remove v8plus_regcmp cases.
8513 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8514 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8515 cmp_diqi_trunc_set): New patterns used by some of the new scc
8517 (define_insn xordi3_sp64_dbl): New pattern used for constant
8518 formation when crossing from 32-bit targets.
8519 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8521 (define_insn addx, subx): Make visible and prettify.
8522 (define_insn adddi3_insn_sp32): Likewise and force split.
8523 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8524 64bit scc split usage.
8525 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8526 zero_extend, subdi3): Force and implement splits.
8528 * final.c (final_scan_insn): Don't output labels if target
8529 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8532 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8533 don't forget to walk inside SEQUENCESs too as these are what the
8534 delay slot scheduler will create.
8536 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8538 * alpha.md (extxl+1,+2): New patterns to work around
8541 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8543 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8544 caused bad assembly code to be generated.
8546 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8548 * netbsd.h: Fix typo.
8550 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8552 * config.sub: Fix typo.
8554 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8556 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8558 (Running Protoize): Typo: Change "ther" into "other".
8560 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8562 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8563 * m68k/netbsd.h: Likewise.
8564 * ns32k/netbsd.h: Likewise.
8565 * sparc/netbsd.h: Likewise.
8567 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8569 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8570 * ginclude/va-clipper.h (va_list): Likewise.
8572 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8574 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8575 load/store multiple instructions unless user overrides.
8577 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8579 * ns32k/netbsd.h: Fix typo.
8581 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8583 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8584 labels with .debugsym if no parallel insns.
8586 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8588 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8589 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8591 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8593 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8594 (AR_FOR_TARGET): Define.
8596 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8598 * dyn-string.h: New file.
8599 * dyn-string.c: Likewise.
8600 * Makefile.in (OBJS): Add dyn-string.o.
8601 (dwarf2out.o): Add dyn-string.h dependency.
8602 (dyn-string.o): List dependencies.
8603 * dwarf2out.c: Include dyn-string.h.
8604 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8605 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8606 prototype. Use dyn_string_append rather than strcat, throughout.
8607 (addr_to_string): Use dyn_string_t.
8609 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8611 Function entry/exit profiling instrumentation:
8612 * expr.h (profile_function_entry_libfunc,
8613 profile_function_exit_libfunc): Declare new variables.
8614 * optabs.c: Define them here.
8615 (init_optabs): Initialize them.
8616 * tree.h (struct tree_decl): New flag
8617 no_instrument_function_entry_exit.
8618 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8619 * c-decl.c (duplicate_decls): Merge it.
8620 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8621 (init_attributes): Use it for "no_instrument_function".
8622 (decl_attributes): Handle it, for functions that have not yet been
8623 compiled. Set decl flag.
8624 * flags.h (flag_instrument_function_entry_exit): Declare new
8626 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8627 (f_options): New option "instrument-functions".
8628 * function.h (struct function): New field instrument_entry_exit.
8629 * function.c (current_function_instrument_entry_exit): New
8631 (push_function_context_to, pop_function_context_from): Save and
8633 (expand_function_start): Set current_ variable, maybe emit return
8634 label and entry profile call.
8635 (expand_function_end): Maybe emit exit profile call.
8637 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8639 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8640 NON_QI_REG_P, pretend the register is SImode.
8642 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8644 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8645 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8646 manufacturer id for ns32k.
8647 * configure: Regenerated.
8648 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8649 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8650 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8651 * config/m68k/netbsd.h: Same.
8652 * config/ns32k/netbsd.h: Same.
8653 * config/sparc/netbsd.h: Same.
8655 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8657 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8658 or UNROLL_COMPLETELY loop that starts with a jump to its
8661 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8663 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8664 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8665 (print_operand, case 'B'): Don't fall through.
8666 (print_operand, case 'S'): Correct mask begin/end computation.
8667 Use HOST_BITS_PER_WIDE_INT.
8668 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8669 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8670 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8671 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8673 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8675 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8676 constraint from second alternative.
8678 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8680 * configure.in: Fix --without/--disable cases for local-prefix,
8681 gxx-include-dir and checking.
8683 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8685 * configure.in (enable_haifa): Set by default for sparc64 too.
8688 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8690 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8691 * i386/winnt.c (associated_type): New fn.
8692 (i386_pe_valid_type_attribute_p): New fn.
8693 (i386_pe_check_vtable_importexport): Remove.
8694 (i386_pe_dllexport_p): Use associated_type.
8695 (i386_pe_dllimport_p): Likewise.
8697 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8698 * i386.c (i386_valid_type_attribute_p): Also accept
8699 attributes for METHOD_TYPEs.
8701 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8703 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8705 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8707 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8709 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8710 them from generating a new base name for each occurence of
8713 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8715 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8717 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8721 * cplus-dem.c (type_kind_t): New type.
8722 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8723 on this paramter, rather than demangling the type again.
8724 (demangle_integral_value): Pass tk_integral.
8725 (demangle_template_: Pass the value returned from do_type.
8726 (do_type): Return a type_kind_t. Pass tk_integral to
8727 demangle_template_value_parm for array bounds.
8728 (demangle_fund_type): Likewise.
8730 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8732 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8735 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8737 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8739 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8741 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8743 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8746 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8748 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8749 (DEBUGGER_ARG_OFFSET): Likewise.
8751 * mn10300.md (movsf): Remove last change. Not needed.
8753 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8755 * c-lex.c (yylex): Fix boundary conditions in character literal and
8756 string literal loops.
8758 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8760 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8761 being invoked incorrectly.
8763 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8764 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8766 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8767 * configure.in: Added i[34567]86-*-win32
8768 * config.sub: Ditto.
8769 * configure: Rebuilt.
8771 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8773 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8774 the frame pointer and compiling PIC code and reload has not completed.
8776 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8779 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8781 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8783 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8785 * Makefile.in (install-info): Only try to update the info
8786 directory file if it exists in the first place.
8788 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8790 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8792 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8794 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8795 CONST_DOUBLE source.
8797 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8799 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8800 strings as the insertion of USER_LABEL_PREFIX.
8801 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8803 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8806 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8808 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8809 already defined type.
8811 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8813 * expr.c (check_max_integer_computation_mode): Allow conversions
8814 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8815 (expand_expr): Likewise.
8817 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8819 * expr.c (expand_expr): Expand RETURN_EXPR.
8821 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8823 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8825 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8827 * dwarf2out.c (output_aranges): Call stripattributes
8828 for TEXT_SECTION references.
8829 (output_line_info): Likewise.
8831 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8833 * profile.c (branch_prob): Call allocate_reg_info after outputting
8834 profile rtl in instrument_arcs.
8836 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8838 * fixinc.irix (math.h): Install wrapper instead of copying.
8840 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8842 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8843 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8844 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8845 lang_flag_0. Added documentation in the flag table.
8847 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8849 * cccp.c (do_include): Fix vax c style include handling.
8851 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8853 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8855 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8857 * fold-const.c (non_lvalue): Don't deal with null pointer
8859 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8861 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8863 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8864 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8865 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8866 (u_short_cint_operand): Same.
8867 (reg_or_cint_operand): Same.
8868 (logical_operand): Same.
8869 (input_operand): Same.
8870 (reg_or_short_operand): Use u_short_cint_operand.
8872 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8874 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8875 but keep the insns and splits. Adjust so when the ultimate destination
8876 is memory, use cvtql.
8878 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8880 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8882 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8884 * gcc.c (do_spec): Call "error" not "warning".
8886 * configure.in: Fix minor problems with gas feature detection code.
8887 * configure: Rebuilt.
8889 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8892 * gcc.c: Delete %[spec] support.
8893 (do_spec_1, case '('): Likewise.
8894 (do_spec_1, case '['): Call error.
8896 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8898 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8899 (CPP_SUBTARGET_SPEC): Default to empty string.
8900 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8901 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8902 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8903 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8905 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8906 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8907 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8908 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8909 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8910 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8911 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8912 * alpha/vxworks.h: Likewise.
8914 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8916 * mips.md (reload_outsi): Added missing REGNO call.
8917 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8919 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8920 another match_operator and compare the codes.
8922 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8924 * MIPS multiply pattern fixes:
8925 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8926 Add union classes for HI, LO, or HILO plus general registers.
8927 (GENERATE_MADD): Deleted.
8928 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8929 Add TARGET_MAD to condition.
8930 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8931 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8932 "*d" for accumulator, to give preference to LO initially but not
8935 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8937 * configure.in (enable_c_mbchar): New configure option.
8938 (extra_cpp_objs): Always available now.
8940 * cexp.y (mbchar.h): #include it.
8941 (yylex): Handle Multibyte characters in character literals.
8943 * cccp.c (mbchar.h): #include it.
8944 (main): Set character set based on LANG environment variable.
8945 (rescan): Handle multibyte characters in comments.
8946 (skip_if_group): See above.
8947 (validate_else): See above.
8948 (skip_to_end_of_comment): See above.
8949 (macarg1): See above.
8950 (discard_comments): See above.
8951 (rescan): Handle multibyte characters in string and character literals.
8952 (collect_expansion): See above.
8953 (skip_quoted_string): See above.
8954 (macroexpand): See above.
8955 (macarg1): See above.
8956 (discard_comments): See above.
8957 (change_newlines): See above.
8959 * c-lex.c (mbchar.h): #include it.
8960 (GET_ENVIRONMENT): New macro.
8961 (init_lex): Set character set based on LANG environment variable.
8962 (yylex): Handle multibyte characters in character literals.
8963 (yylex): Handle multibyte characters in string literals.
8965 * Makefile.in (mbchar.o): New target.
8966 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8967 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8969 * mbchar.[ch]: New files for multibyte character handling.
8971 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8973 * jump.c (jump_optimize): When simplifying noop moves and
8974 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8975 the PUSHes to rewrite in second loop as we did in the first.
8977 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8979 * cplus-dem.c (demangle_nested_args): Make function definition
8980 static to match the prototype.
8982 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8984 * alloca.c: Respect USE_C_ALLOCA.
8985 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8986 * gengenrtl.c (xmalloc): Likewise.
8988 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8990 * loop.h (struct induction): Add no_const_addval.
8991 * loop.c (the_movables, reg_address_cost): New variables.
8992 (init_loop): Init reg_address_cost.
8993 (loop_optimize): Call end_alias_analysis.
8994 (scan_loop): Init the_movables.
8995 (record_giv): Init induction->no_const_addval.
8996 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8997 [REG]: Rearrange loop search test to catch more cases.
8998 (general_induction_var): Return success not benefit; take an extra
8999 argument for that. Change all callers.
9000 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9001 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9002 [default]: Search the_movables for additional combinations.
9003 (sge_plus_constant, sge_plus): New functions.
9004 (express_from_1): New function.
9005 (express_from): Always define. Rewrite using express_from_1.
9006 (combine_givs_p): Handle more cases. Ignore address cost.
9007 (cmp_combine_givs_stats): New function.
9008 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9009 (combine_givs): Rewrite to do best-fit combination.
9011 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9012 (fold): Do a complete (A*C)+(B*C) association check.
9014 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9016 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9018 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9020 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9022 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9024 * tree.c (valid_machine_attribute): Only create a new type variant if
9025 there is a decl to use it.
9027 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9029 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9032 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9034 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9037 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9039 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9040 Simplify tests for clearing an address register.
9041 (expand_prologue): Corresponding changes.
9043 * mn10300.md (movXX patterns): Make sure the destination is an
9044 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9045 (logical patterns): Split into expanders + patterns
9046 (zero and sign extension patterns): Similarly.
9047 (shift patterns): Similarly.
9049 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9051 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9052 for the sequence, recording base values.
9054 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9056 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9058 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9060 * gcc.c: Remove ANSI-C ism from --help code.
9062 * toplev.c: Support --help with USE_CPPLIB.
9064 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9066 * configure.in: Rework gas feature code to work with symlink based
9069 * extend.texi: Clarify some issues related to local variables
9070 assigned to explicit registers.
9072 * mn10300.md (mulsi): Turn into expander + pattern.
9074 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9077 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9079 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9081 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9083 * version.c: Bump again to distinguish mainline tree from the
9086 See ChangeLog.0 for earlier changes.
9089 add-log-time-format: current-time-string