1 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
3 * i386.c (notice_update_cc): Integer conditional moves don't
6 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
7 to support LT, LE, GE, and GT signed integer comparisons.
8 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
9 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
11 (movdicc): Remove code resulting from an earlier patch which
12 didn't apply correctly.
14 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
17 consider a MEM in FP mode as equal.
19 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
21 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
22 duplicate declarations of a function.
24 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
26 * config/float-i386.h: New.
28 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
30 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
32 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
33 indexed arrays. Call free at the end of the function for them.
34 * haifa-sched.c (schedule_insns): Likewise.
36 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
38 * dwarf2out.c (size_of_string): Do count backslashes.
40 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
42 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
43 addressing when one register is the frame pointer or stack
44 pointer. Disallow REG+CONST addressing in HI mode.
46 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
48 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
51 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
53 * Makefile.in (c-lang.o): Depend on output.h.
55 * c-lang.c: Include output.h.
57 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
59 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
61 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
62 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
63 with ATTRIBUTE_UNUSED.
65 * regmove.c (copy_src_to_dest): Make function static to match its
68 * reload1.c Include hard-reg-set.h before rtl.h to get macro
69 HARD_CONST. Include machmode.h before hard-reg-set.h.
71 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
72 HARD_CONST to protect usage of typedef HARD_REG_SET.
74 * tree.c: Prototype `_obstack_allocated_p'.
76 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
79 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 * pa.c: Include system.h and toplev.h. Remove redundant code.
82 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
83 (symbolic_operand): Likewise.
84 (symbolic_memory_operand): Likewise.
85 (pic_label_operand): Likewise.
86 (fp_reg_operand): Likewise.
87 (pre_cint_operand): Likewise.
88 (post_cint_operand): Likewise.
89 (ireg_or_int5_operand): Likewise.
90 (int5_operand): Likewise.
91 (uint5_operand): Likewise.
92 (int11_operand): Likewise.
93 (uint32_operand): Likewise.
94 (ior_operand): Likewise.
95 (lhs_lshift_cint_operand): Likewise.
96 (pc_or_label_operand): Likewise.
97 (legitimize_pic_address): Likewise.
98 (hppa_legitimize_address): Likewise for parameter `old'.
99 (output_block_move): Likewise for parameter `size_is_constant'.
100 (output_function_prologue): Likewise for parameter `size'.
101 (output_function_epilogue): Likewise.
102 (return_addr_rtx): Likewise for parameter `count'.
103 (output_mul_insn): Likewise for parameter `unsignedp'.
104 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
105 (output_bb): Likewise for parameter `operands'.
106 (output_bvb): Likewise.
107 (function_label_operand): Likewise for parameter `mode'.
108 (plus_xor_ior_operator): Likewise.
109 (shadd_operand): Likewise.
110 (non_hard_reg_operand): Likewise.
111 (eq_neq_comparison_operator): Likewise.
112 (movb_comparison_operator): Likewise.
113 (pa_combine_instructions): Likewise for parameter `insns'.
115 * pa.h: Add prototypes for functions `output_deferred_plabels',
116 `override_options', `output_ascii', `output_function_prologue',
117 `output_function_epilogue', `print_operand',
118 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
119 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
120 `pa_adjust_cost', `pa_adjust_insn_length' and
121 `secondary_reload_class'.
123 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
125 * configure.in: Don't turn on collect2 unconditionally.
127 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
129 * cse.c (cse_basic_block): Don't include NOTE insns in the count
130 that is used to decide whether or not it is time to erase the
133 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
135 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
137 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
139 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
140 (sched_analyze_2): Allow scheduling TRAP_IF.
142 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
144 * rtl.h (TRAP_CODE): New macro.
146 * rtl.def (TRAP_IF): Change second operand type to rtx.
148 * optabs.c (gen_cond_trap): New function.
149 (init_traps): New function.
150 (init_optabs): Call init_traps.
151 * expr.h: Declare gen_cond_trap.
153 * jump.c (jump_optimize): Optimize jumps to and around traps.
155 * sparc.md: Define trap instructions.
157 * rs6000.md: Define trap instructions.
158 * rs6000.c (print_operand): New code 'V' for trap condition.
159 (trap_comparison_operator): New function.
161 * m88k.md: Update use of TRAP_IF.
163 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
164 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
165 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
167 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
170 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
172 * reload1.c (spill_hard_reg): Check mode of register when
173 spilling from scratch_list.
175 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
177 * except.c (add_new_handler): fix bug in finding last region handler.
178 * libgcc2.c (find_exception_handler): Pass exception table pointer
179 to runtime type matcher, not the match info field.
181 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
183 * eh-common.h (struct eh_context): Add comment for hidden use of
184 field dynamic_handler_chain.
185 * except.c (get_dynamic_handler_chain): Comment on, and use the
186 correct offset of the dynamic_handler_chain field.
188 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
190 * mips/iris6.h (LINK_SPEC): Add -woff 131.
192 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
194 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
196 * configure.in: Don't disable collect2 when we have GNU ld.
198 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
200 * fold-const.c (make_range): Do not widen the type of the expression.
202 * expr.c (check_max_integer_computation_mode): New function.
203 (expand_expr): Avoid integer computations in modes wider than
204 MAX_INTEGER_COMPUTATION_MODE.
205 * fold-const.c (fold): Likewise.
206 * tree.h (check_max_integer_computation_mode): Declare.
207 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
209 * configure.in (nm): Make a link to "nm" in the build tree too.
211 * mn10300.md (andsi3): Fix typo.
213 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
215 * reload1.c (reload_cse_regs): Call bzero instead of looping.
217 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
219 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
221 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
223 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
224 (output_prologue, output_epilogue): Merge VMS and OSF versions;
225 Remove anything related to the actual code generation.
226 (output_end_prologue): New function.
227 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
228 (alpha_does_function_need_gp): Return false for VMS.
229 (alpha_function_needs_gp): Make static.
230 (add_long_const): Delete.
231 (summarize_insn): Don't assume a SUBREG is of a REG.
232 Prototype all static functions. Rename VMS-specific global
234 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
235 (FUNCTION_BOUNDARY): Align to cache line.
236 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
237 (FUNCTION_END_PROLOGUE): New macro.
238 * alpha.md (attribute length): New. Mark all insns.
239 (return_internal, prologue_stack_probe_loop) New patterns.
240 (prologue, init_fp, epilogue): New patterns.
242 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
244 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
246 * toplev.c (lang_options): Add -trigraphs option for cpplib.
248 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
250 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
251 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
252 is earlier than RELOAD_FOR_INPUT_ADDRESS.
254 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
256 * libgcc1-test.c (memcpy): Define.
258 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
260 * genattrtab.c (struct attr_desc): Change int flags to bit
261 fields. Add bit fields for this being function_units_used
262 or *_blockage_range attributes.
263 (write_unit_name): New function to print a function unit name
265 (expand_units): Indicate whether this is function_units_used or
266 *_blockage_range attributes.
267 (write_toplevel_expr): Print function_units_used and
268 *_blockage_range attributes in a more friendly fashion.
269 (make_internal_attr): Indicate whether this attribute is either
270 function_units_used or *_blockage_range.
272 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
273 Jim Wilson <wilson@cygnus.com>
275 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
276 the source or destination is special.
278 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
280 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
282 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
284 * version.c: Bump for snapshot.
286 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
288 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
291 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
293 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
294 (ENDFILE_SPEC): Add -lgloss.
296 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
298 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
299 (large_int): Likewise.
300 (pc_or_label_operand): Likewise.
301 (call_insn_operand): Likewise.
302 (consttable_operand): Likewise.
303 (m16_uimm3_b): Likewise.
304 (m16_simm4_1): Likewise.
305 (m16_nsimm4_1): Likewise.
306 (m16_simm5_1): Likewise.
307 (m16_nsimm5_1): Likewise.
308 (m16_uimm5_4): Likewise.
309 (m16_nuimm5_4): Likewise.
310 (m16_simm8_1): Likewise.
311 (m16_nsimm8_1): Likewise.
312 (m16_uimm8_1): Likewise.
313 (m16_nuimm8_1): Likewise.
314 (m16_uimm8_m1_1): Likewise.
315 (m16_uimm8_4): Likewise.
316 (m16_nuimm8_4): Likewise.
317 (m16_simm8_8): Likewise.
318 (m16_nsimm8_8): Likewise.
319 (m16_usym8_4): Likewise.
320 (m16_usym5_4): Likewise.
321 (mips_move_1word): Change type of variable `i' from int to size_t.
322 (mips_move_2words): Likewise.
323 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
324 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
325 (function_arg): Likewise.
326 (function_arg_partial_nregs): Mark parameter `named' with
328 (override_options): Use ISDIGIT instead of isdigit.
329 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
330 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
331 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
332 function `fatal' to long before printing. Use
333 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
334 times in this function.
335 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
336 (function_epilogue): Likewise for parameters `file' and `size'.
337 Print an int with "%d" not "%ld".
338 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
339 (mips_function_value): Likewise for parameter `func'.
340 (function_arg_pass_by_reference): Likewise for parameters `cum'
342 (extend_operator): Likewise for parameter `mode'
343 (highpart_shift_operator): Likewise.
345 * mips.md (mul_acc_si): Remove unused variable `macc'.
347 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
349 * fold-const.c (fold): Revert last change. It breaks constant
352 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
354 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
355 prevent operands from being evaluated twice.
357 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
359 * toplev.c (lang_options): Add -remap as a preprocessor option.
361 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
363 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
364 which set CC_REVERSED since reload should ensure that
365 the operands are already the correct type.
367 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
369 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
372 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
374 * config/rs6000/x-aix43 (AR): Delete.
375 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
377 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
379 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
381 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
383 * mips.c (override_options): Replace word_mode with explicit
386 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
388 * regmove.c (regmove_optimize): If we can't replace the
389 destination in an insn that sets the source, generate an explicit
390 move of the source to the destination.
391 (copy_src_to_dest): New function.
392 (toplevel): Include basic-block.h
394 * Makefile.in (regmove.o): Add basic-block.h dependencies.
396 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
398 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
400 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
402 * rtl.h (rtx_def): Improve documentation.
403 (MEM_IN_STRUCT_P): Likewise.
405 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
407 * c-decl.c (start_decl): Correct test for -Wmain.
409 * c-decl.c (grokdeclarator): Remove unused variable "last".
411 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
413 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
414 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
415 Delete code storing value in static_chain_rtx.
416 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
417 to second expand_expr call.
419 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
421 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
423 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
425 * cppmain.c (fatal): New function.
426 * configure.in (cpp_main): New configuration variable.
427 * configure: Regenerated.
428 * Makefile.in (CCCP): Use a configuration variable to select basex
430 (cppmain$(exeext)): Add @extra_cpp_objs@.
432 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
434 * objc/objc-act.c: Add cpplib declarations.
435 (lang_decode_option): Initialize cpplib if necessary.
436 (lang_decode_option): New argc/argv interface.
437 * tree.h (lang_decode_option): New argc/argv interface.
438 * toplev.c (lang_options): Add cpp options.
439 (main): New interface for lang_decode_option.
440 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
441 unless -E, -M or -MM is specified.
442 * cpplib.h (cpp_handle_option): New function.
443 * cpplib.c (cpp_handle_option): New function.
444 (cpp_handle_options): Now calls cpp_handle_option.
445 * c-tree.h (c_decode_option): New argc/argv interface.
446 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
447 * c-lang.c (lang_decode_option): New argc/argv interface.
448 * c-decl.c: Add cpplib declarations.
449 (c_decode_option): New argc/argv interface.
450 (c_decode_option): Call cpp_handle_option.
451 (c_decode_option): Now returns number of strings processed.
453 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
455 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
456 changes. Abort if the undo fails.
458 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
460 * config/rs6000/rs6000.c (output_prolog): Change locations and
461 directions of saving and restoring arguments of main on the stack.
463 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
465 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
466 for each alternative. Do not replace a CONST_INT with a REG unless
469 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
471 * decl.c (init_decl_processing): Fix typo.
473 * mips.c (gpr_mode): New variable.
474 (override_options): Initialize gpr_mode.
475 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
476 determine size and offset of general purpose registers save slots.
477 (save_restore_insns, mips_expand_prologue): Similarly.
479 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
480 between constant representations when we have (SUBREG (REG)) with
481 REG equivalent to a constant.
483 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
485 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
487 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
489 * fold-const.c (fold): Even with otherwise constant trees, look for
490 opportunities to combine integer constants.
492 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
494 * i386.c (notice_update_cc): Clear cc_status.value2 in the
495 case of UNSPEC 5 (bsf).
497 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
498 conditional move instructions don't support signed integer
501 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
503 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
506 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
507 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
510 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
512 * except.c (expand_start_catch): Rename to start_catch_handler.
513 (expand_end_catch): Delete function.
514 (expand_end_all_catch): Remove catch status that expand_end_catch
516 * except.h (expand_start_catch): Rename prototype.
517 (expand_end_catch): Delete prototype.
519 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
521 * invoke.texi: Add documentation for -mips4 and -mabi=*.
523 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
525 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
526 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
527 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
529 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
531 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
532 as the threshold to permit splitting memory operations.
534 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
536 * mips.c (gpr_mode): New variable.
537 (override_options): Initialize gpr_mode.
538 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
539 determine size and offset of general purpose registers save slots.
540 (save_restore_insns, mips_expand_prologue): Similarly.
542 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
543 (LIBGCC2_CFLAGS): Remove -fexceptions.
544 (LIB2FUNCS): Remove "_eh".
545 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
546 it with -fexceptions.
548 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
549 * local-alloc.c (block_alloc): Avoid creating false
550 dependencies for targets which use instruction scheduling.
552 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
554 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
555 (ASM_FINISH_DECLARE_OBJECT): Define;
556 * mips/elf64.h: Likewise.
558 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
560 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
562 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
564 * version.c: Bump for snapshot.
566 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
568 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
569 (mulsidi3_ppc64): Delete.
571 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
573 * Makefile.in (varasm.o): Depend on dbxout.h.
574 (cse.o): Depend on toplev.h and output.h.
575 (gcse.o): Depend on output.h.
577 * mips.c: Include system.h and toplev.h and remove redundant code.
578 Include output.h after tree.h so all its prototypes get activated.
579 * mips.md (table_jump): Remove unused variable `dest'.
581 * sparc.h: Add prototype for `v8plus_regcmp_op'.
583 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
584 with __attribute__ ((__unused__)).
585 (__frame_dummy): Provide prototype before use, wrap it with
586 EH_FRAME_SECTION_ASM_OP.
588 * cse.c: Move inclusion of <setjmp.h> above local headers.
589 Include toplev.h and output.h.
591 * dbxout.h: Add prototype for `dbxout_begin_function'.
593 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
594 ASM_OUTPUT_MAX_SKIP_ALIGN.
596 * gcse.c: Include system.h and output.h.
597 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
598 Make extern instead of static.
599 (compute_can_copy): Only declare variables `reg' and `insn' when
600 AVOID_CCMODE_COPIES is not defined.
601 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
602 (hash_scan_clobber): Likewise for `x' and `insn'.
603 (hash_scan_call): Likewise.
604 (record_last_set_info): Likewise for `setter'.
605 (mark_call): Likewise for `pat'.
606 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
608 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
609 length parameter so that it multiplies the number of elements by
612 * output.h: Add prototype for `weak_finish'.
614 * recog.h: Likewise for `validate_replace_src'.
616 * rtl.h: Likewise for `optimize_save_area_alloca',
617 `fix_sched_param', `purge_addressof', `gcse_main',
618 `regmove_optimize', `dbr_schedule', `branch_prob' and
621 * toplev.h: Likewise for `set_float_handler' and
622 `output_quoted_string'.
624 * varasm.c: Include dbxout.h.
626 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
628 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
629 GP_REG_P. Use gr_regs instead of GR_REGS.
631 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
632 Jeff Law <law@cygnus.com>
634 * Revamped multiply support for MIPS chips.
635 * mips.c (extend_operator): New function.
636 (highpart_shift_operator): Likewise.
637 * mips.h: Declare new functions.
638 (PREDICATE_CODES): Add support for new predicates.
639 * mips.md (mulsi3 expander): Simplify.
640 (mulsi_mult3): Add another constraint alternative. Support
641 3 operand multiply instructions as found on various mips
643 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
644 (mul_acc_si): New pattern and associated splitters.
645 (mulsidi3 expander): Rework to use mulsidi3_64bit and
647 (umulsidi3): New expander.
648 (mulsidi3_internal): Accept either sign or zero extended
649 operands and generate code as appropriate appropriately.
650 (mulsidi3_64bit): Similarly.
651 (smulsi3_highpart): Turn into an expander and generate code
652 to match new patterns.
653 (umulsi3_highpart): Likewise.
654 (xmulsi3_highpart_internal): New pattern.
655 (maddi patterns): Delete. Replace with:
656 (mul_acc_di, mul-acc_64bit_di): New patterns.
658 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
660 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
661 flag_new_exceptions runtime flag.
662 (struct old_exception_table): New struct which represents what
663 the exception table looks like without the new model.
664 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
665 flag that this is a new style table.
666 * except.h: Remove compile time flag NEW_EH_MODEL.
667 (expand_builtin_eh_stub_old): New prototype.
668 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
669 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
670 * c-decl.c (init_decl_processing): Add new builtin function
671 __builtin_eh_stub_old.
672 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
673 * flags.h (flag_new_exceptions): New runtime flag.
674 * toplev.c (flag_new_exceptions): Initialize default to 0,
675 -fnew-exceptions sets to 1.
676 * except.c (output_exception_table_entry): Output New style exception
677 identifier into table, and replace compile time flag NEW_EH_MODEL
678 with runtime flag flag_new_exceptions.
679 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
680 (expand_builtin_eh_stub_old): Duplicates original functionality of
681 expand_builtin_eh_stub.
682 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
683 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
684 (old_find_exception_handler): New func, same as find_exception_handler
685 except it works on the old style exception table.
686 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
687 of identifier in the exception table, and call appropriate routines.
689 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
691 * function.c: Define current_function_cannot_inline.
692 (push_function_context_to): Save it.
693 (pop_function_context_from): Restore it.
694 * function.h (struct function): Provide it a home.
695 * output.h: Declare it.
696 * integrate.c (function_cannot_inline_p): Check it.
698 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
700 * expr.c (force_operand): Detect PIC address loads before
701 splitting arithmetic.
703 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
705 * version.c: Bump for snapshot.
707 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
709 * tree.c (tree_class_check): Add braces to eliminate ambigious
711 (tree_check): Likewise.
713 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
715 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
716 stack is the destination for conditional move insn.
718 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
720 * tree.h (TREE_VEC_END): Cast unused value to void.
722 * i386.c (print_operand): Use %lx for long operand.
724 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
726 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
728 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
730 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
731 conversion functions.
733 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
735 * toplev.c (flag_exceptions): Default to 0.
736 (compile_file): Remove flag_exceptions == 2 hack.
737 (main): Call lang_init_options.
738 * tree.h: Declare it.
739 * c-lang.c: Implement it.
740 * objc/objc-act.c: Likewise.
742 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
744 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
745 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
746 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
747 (output_function_profiler): Use asm_fprintf and fputs.
749 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * gencheck.c: Remove redundant stdio.h include. Add a definition
752 of xmalloc for when we are forced to link with alloca.o.
754 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
757 * fold-const.c (constant_boolean_node): Make definition static to
760 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
762 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
763 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
764 (do_spec, input_filename, input_filename_length): Make public.
765 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
766 Call lang_specific_pre_link befor elinking.
768 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
770 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
771 the insn which has the most insns dependent on it.
773 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
775 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
777 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
779 * alpha.md (insxh-1): New insxl pattern for combine.
781 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
783 * i386/i386.c (output_fp_conditional_move): New function
784 to output floating point conditional move.
785 (output_int_conditional_move): New function to output integer
788 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
789 output_int_conditional_move () to output int conditional move.
790 (movsfcc+5, movdfcc+5, movxfcc+5): Call
791 output_fp_conditional_move () to output floating point
794 * i386/i386.c (put_condition_code): In INT mode, check
795 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
797 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
799 * dbxout.c (dbxout_type): Output arrays of bits as if
800 they were bitstrings for Chill
802 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
804 * tree.c (get_inner_array_type): New function.
805 * tree.h (get_inner_array_type): Prototype.
806 * expr.h (STACK_SAVEAREA_MODE): New macro.
807 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
809 (expand_builtin_longjmp): Likewise.
810 * explow.c (emit_stack_save): Likewise.
811 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
813 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
814 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
815 * rs6000/aix43.h: New file.
816 * rs6000/t-aix43: New file.
817 * rs6000/x-aix41: New file.
818 * rs6000/x-aix43: New file.
819 * configure.in (rs6000-ibm-aix*): Use them.
820 * rs6000/powerpc.h: Delete.
821 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
822 * rs6000/netware.h: and here.
823 * rs6000/win-nt.h: and here.
825 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
827 (rs6000_override_options): Ignore flag_pic for AIX.
828 (rs6000_immed_double_const): Delete.
829 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
830 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
831 (num_insns_constant): mask64_operand() is 2 insns.
832 (logical_operand): Don't assume 32-bit CONST_INT.
833 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
834 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
835 (mask_constant): HOST_WIDE_INT parameter.
836 (non_and_cint_operand): Delete.
837 (mask64_operand): New function.
838 (and64_operand): New function.
839 (function_arg_advance): DImode arguments do not need special
840 alignment when 64-bit.
841 (function_arg): Likewise.
842 (setup_incoming_varargs): Reverse reg_size assignment.
843 (print_operand): HOST_WIDE_INT second parameter.
844 (print_operand, 'B'): New case.
845 (print_operand, 'M'): Fix typo in lossage string.
846 (print_operandm 'S'): New case.
847 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
848 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
849 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
850 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
851 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
852 (rs6000_allocate_stack_space): Use {cal|la}.
853 (output_epilog): Use {cal|la}
854 (output_function_profiler): Add call glue to mcount call.
855 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
857 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
858 (STACK_BOUNDARY): Depend on TARGET_32BIT.
859 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
860 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
861 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
863 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
864 (STACK_SAVEAREA_MODE): New macro.
865 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
866 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
867 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
868 (ASM_FILE_START): Emit 64-bit ABI directive.
869 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
870 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
871 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
872 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
874 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
875 Restore define_splits.
876 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
877 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
878 Do not specify base register operand mode.
879 (floatsidf2_loadaddr): Do not specify base register operand mode.
880 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
881 register; do not specify mode. Remove !TARGET_POWERPC64 final
883 (floatsidf2_load): Do not specify base register operand mode. Remove
884 !TARGET_POWERPC64 final constraint.
885 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
886 base register operand mode.
887 (adddi3): Split large constants early.
888 (absdi3): Shift by 63, not 31.
889 (*mulsidi3_ppc64): New pattern.
890 (rotldi3): Add masking combiner patterns.
891 (anddi3): Add rldic{r,l} masking. Remove split of large constants
892 because PPC insns zero-extend.
893 (iordi3, xordi3): Split large constants early.
894 (movsi matcher): Remove S and T constraints.
895 (movsf const_double): create SImode constant from TARGET_DOUBLE.
896 (movdf_hardfloat32): Add default abort() case.
897 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
898 (movdi): Remove 64-bit constant generator. Try to convert
899 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
900 (movdi_32): Add default abort() case.
901 (movdi_64): Add numerous ways to split 64-bit constants.
902 Make catch-all define_split more optimal and never FAIL.
903 (movti_ppc64): Add default abort() case.
904 (allocate_stack): Remove operand modes. Use Pmode.
905 (restore_stack_block): Remove operand modes. Generate Pmode
907 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
908 temporary. Save area is double Pmode.
909 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
910 (call, call_value): Do not specify address operand mode. Choose
912 (*call_local64, *ret_call_local64): New patterns.
913 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
914 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
915 (compare): Materialize DImode truthvalues.
917 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
919 * expr.c (safe_from_p): Avoid combinatorial explosion
920 over duplicate SAVE_EXPRs by ensuring we never recurse
921 on one that has already been visited.
923 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
925 * loop.c (check_dbra_loop): Initialise final_value before
926 normalizing the loop.
928 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
930 * reload1.c (reload_reg_free_for_value_p): New arguments out and
931 reloadnum. Changed all callers.
933 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
935 * system.h: Add _() and N_() macros in preparation for gettext.
937 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
939 * c-common.c (check_format_info): Put back check for C9x `hh'
940 length modifier. Warn about %n format writing into const. Remove
942 (format_char_info): Fix comments.
944 * configure.in: Set float_format to m68k for all m68k targets that
945 do not override LONG_DOUBLE_TYPE_SIZE.
946 * config/float-m68k.h: New file.
948 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
950 * jump.c (jump_optimize): Remove debug messages accidentally left in
951 with the previous change.
953 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
955 * expr.c (store_expr): Revert stray patch associated with
958 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
960 * jump.c (rtx_unsafe_p): New function.
961 (jump_optimize): Use it on if/then/else transformations and
962 conditional move transformations.
964 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
966 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
967 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
968 Cope with CONST being out of range for the bitfield.
970 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
972 * expr.c (emit_move_insn_1): When moving complex values in several
973 steps, emit a CLOBBER to show the destination dies.
975 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
977 * Makefile.in (site.exp): Use the object testsuite directory as
978 the temporary directory.
980 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
981 address of an ADDRESSOF rtx.
983 1998-06-02 Mike Stump <mrs@wrs.com>
985 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
986 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
987 * i960.md (ret, flush_register_windows): Define.
988 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
990 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
992 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
994 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
995 around an OSF/1 library bug wrt sign-extension of inputs.
997 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
999 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
1001 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
1003 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
1005 * varasm.c (assemble_variable): Augment alignment warning.
1007 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
1009 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
1010 in the presence of IEEE negative 0's.
1012 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
1014 * reload.c (find_reloads): Record the existing mode if
1015 operand_mode == VOIDmode before replacing a register with
1017 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
1018 i386_compare_op1 to const0_rtx for the benefit of the
1019 conditional move patterns.
1020 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
1021 based on suggestions from Jim Wilson.
1023 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
1025 * version.c: Bump for snapshot.
1027 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
1029 * Makefile.in (fixinc.sh): Update rules again.
1031 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
1033 * extend.texi: Bring back reference to trampoline paper.
1035 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
1037 * Makefile.in (USER_H): Add stdbool.h.
1038 * ginclude/stdbool.h: New file.
1040 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
1042 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
1045 * gcse.c (pre_delete): Fix code to determine the mode of
1046 the reaching pseudo register.
1048 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1050 * Makefile.in (GEN): Add gencheck
1051 (STAGESTUFF): Add tree-check.h and gencheck.
1053 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
1055 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
1056 (fixinc.sh): Set some additional environment variables before
1057 calling mkfixinc.sh.
1059 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
1061 * reload.c (find_reloads): Do not force a reloads of match_operators.
1063 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1065 * except.h (remove_handler): Add new prototype.
1066 * except.c (remove_handler): New function to remove handlers
1067 from an exception region.
1068 * flow.c (find_basic_blocks_1): Remove handlers from regions when
1069 handler label is deleted; remove exception regions with no handlers.
1071 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
1073 * except.h (rtx): Define rtx type correctly if needed.
1074 * function.h (rtx): Ditto.
1075 (tree): Define tree type correctly if needed.
1077 * c-pragma.c (toplevel): Include rtl.h.
1079 * stor-layout.c (toplevel): Move include of rtl.h before
1082 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
1083 (tree.o): Add except.h dependency.
1085 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
1087 * reload1.c: Revert accidental checkin.
1089 * configure.lang: Fix thinko when adding a definition for
1090 target_alias to the Makefile.
1092 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
1094 * config/sparc/lb1spc.asm (.rem and .urem): Replace
1097 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
1099 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
1100 variable warnings. Don't generate scratch registers if only
1102 (find_barrier): Eliminate unused variable SRC.
1104 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
1106 * toplev.h (rtx_def): Provide global declaration to avoid
1107 `limited scope' warnings.
1109 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
1111 * Makefile.in (gencheck.o): Use HOST_CC.
1112 * i386/t-mingw32: New file.
1113 * configure.in (i386-*-mingw32*): Use.
1115 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
1117 * arm.c (bad_signed_byte_operand): New predicate function.
1118 * arm.h (PREDICATE_CODES): Add it to the list.
1119 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
1121 (define_split): Two new splits for above insns.
1123 * arm.c: Include toplev.h.
1124 (arm_override_options): Add parentheses around use of tune_flags.
1125 (arm_split_constant): Remove unused variable.
1126 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
1127 (output_func_prologue, arm_expand_prologue): Likewise.
1128 (arm_canonicalize_comparison): Make I unsigned; rework constants
1129 accordignly. Add missing paratheses around << operation.
1130 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
1132 ({load,store}_multiple_sequence): Initialize BASE_REG.
1133 (select_dominance_cc_mode): Add DEFAULT clauses.
1134 (broken_move): Return zero if the destination is not a register.
1135 (arm_reorg): Move unused REGNO declaration into the dead code.
1136 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
1138 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
1140 * version.c: Bump for snapshot.
1142 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
1144 * version.c: Bump for snapshot.
1146 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
1148 * cpperror.c (v_cpp_message): Remove static prototype.
1149 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
1150 * cpplib.h (v_cpp_message): Add protoptype.
1151 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
1153 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
1155 * version.c: Bump for snapshot.
1157 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
1159 * version.c: Bump for snapshot.
1161 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1163 * m68k.h: Declare more functions used in macros.
1164 (REG_CLASS_CONTENTS): Completely embrace initializer.
1165 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
1166 about returning no value.
1167 * cse.c (find_best_addr): Declare p and found_better only if
1169 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
1170 * dwarfout.c (string_length_attribute): #if 0 away.
1171 * function.c (expand_function_end): Define varible blktramp only
1173 * jump.c (find_insert_position): Define only if !HAVE_cc0.
1174 * loop.c (combine_givs_p): Define variable tem only if needed.
1175 * real.c: Comment out unused functions eabs, eround,
1176 e{24,53,64,113}toasc and eiinfin.
1179 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1181 * Makefile.in (boostrap2-lean, bootstrap3-lean,
1182 bootstrap4-lean): New targets.
1184 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
1186 * warn_summary, test_summary: Moved into the contrib directory.
1188 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
1190 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
1192 (FLOAT_H_TEST): Likewise.
1193 (ENQUIRE): Likewise.
1194 (float.h-nat): Likewise.
1195 (float.h-cross): Likewise.
1196 (enquire): Likewise.
1197 (enquire.o): Likewise.
1198 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
1199 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
1201 (FLOAT_H): Remove old float.h-nat version; move current definition
1202 to CROSS_FLOAT_H location.
1203 (all.cross): Remove comments about enquire stuff.
1205 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
1206 (rest.encap): Likewise.
1207 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
1209 * toplev.h (tree_node): Provide global declaration to avoid
1210 `limited scope' warnings.
1212 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
1214 * test_summary: Display section breaks for each entry
1215 in a multilibbed target's output.
1217 1998-05-23 Richard Henderson <rth@cygnus.com>
1219 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1220 offset's mode is not ptr_mode, convert it.
1222 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
1224 * fold-const.c (ssize_binop): New fn.
1225 * tree.h: Declare it.
1227 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
1229 * genextract.c (print_path): Handle zero-length path as a special
1232 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
1234 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
1236 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
1238 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
1239 (shorten_branches, final_scan_insn): Test value of
1240 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
1242 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
1243 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
1244 * arm/tcoff.h: Likewise.
1245 * i386/386bsd.h: Likewise.
1246 * i386/freebsd-elf.h: Likewise.
1247 * i386/freebsd.h: Likewise.
1248 * i386/netbsd.h: Likewise.
1249 * i386/ptx4-i.h: Likewise.
1250 * i386/sysv4.h: Likewise.
1251 * pa/pa.h: Likewise.
1252 * rs6000/linux.h: Likewise.
1253 * rs6000/rs6000.h: Likewise.
1254 * sh/sh.h: Likewise.
1255 * sparc/sp64-elf.h: Likewise.
1256 * v850/v850.h: Likewise.
1257 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
1258 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
1260 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1262 * regmove.c (gen_add3_insn): New function.
1263 (fixup_match_2): Use it instead of calling gen_addsi3.
1265 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
1267 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
1269 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
1272 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1274 * Makefile.in (TREE_H): Add tree-check.h.
1275 (tree-check.h, gencheck): New targets.
1276 * gencheck.c: New file.
1277 * tree.c (tree_check, tree_class_check): New functions.
1278 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
1279 (TYPE_CHECK, DECL_CHECK): Define.
1280 Modify all access macros to use generated checking macros.
1282 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
1284 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
1285 * configure.in: Check for it.
1286 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
1287 * final.c (uid_align, uid_shuid, label_align): Make static.
1288 (label_align): Change type to struct label_alignment pointer.
1289 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
1290 (LABEL_TO_MAX_SKIP): Define.
1291 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
1292 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
1293 (shorten_branches): Record the maximum bytes to skip when
1295 (final_scan_insn): Use the maximum bytes to skip when aligning a label
1296 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1297 * i386.h (LOOP_ALIGN_MAX_SKIP,
1298 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
1299 * i386.c (override_options): i386_align_jumps and i386_align_loops
1300 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1301 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
1303 1998-05-21 Mark Mitchell <mmitchell@usa.net>
1305 * cplus-dem.c (do_type): Handle volatile qualification.
1307 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
1309 * function.c (init_function_start): Don't call emit_line_note if
1310 lineno is 0. (Can happen when compiling Java .class files.)
1312 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1314 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
1315 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
1317 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1319 * combine.c (nonzero_bits): For paradoxical subregs, take
1320 LOAD_EXTENDED_OP into account.
1322 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
1324 * configure.in (extra_c_objs): add prefix.o.
1325 (extra_cxx_objs): extra objects for C++ with cpplib.
1326 * configure: Regenerate.
1328 * c-tree.h: (get_directive_line): Different prototype for cpplib.
1329 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
1331 * c-lex.h: (get_directive_line): Not needed here for cpplib.
1333 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
1334 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
1336 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
1337 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
1339 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1341 * gengenrtl.c (type_from_format, accessor_from_format): Change
1342 type of parameter `c' from `char' to `int'.
1344 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
1346 * warn_summary, test_summary: New scripts from
1347 Kaveh Ghazi and Alexandre Oliva respectively.
1349 * gcse.c (current_function_calls_longjmp): Declare.
1351 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
1353 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
1355 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
1356 Jeff Law (law@cygnus.com)
1358 * Global CSE and constant/copy propagation.
1359 * Makefile.in (OBJS): Add gcse.o
1360 (STAGESTUFF): Add *.gcse.
1361 (gcse.o): Add dependencies.
1362 (mostlyclean): Remove *.gcse and */*.gcse.
1364 * loop.c (loop_optimize): Move call to init_alias_analysis.
1365 * recog.c (validate_replace_src): New function.
1366 * toplev.c (gcse_dump): New global variable.
1367 (flag_gcse, gcse_time): Likewise.
1368 (compile_file): Initialize gcse_time and clean out the gcse dump
1370 (rest_of_compilation): Call gcse_main as requested. Dump RTL
1371 after gcse if requested.
1372 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
1374 * gcc.texi: Add gcse related internal documentation.
1375 * invoke.texi: Note new command line options for gcse.
1376 * tm.texi: Document AVOID_CCMODE_COPIES.
1377 * mips.h (AVOID_CCMODE_COPIES): Define.
1379 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
1381 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
1383 (stmp-fixproto): Simlarly for running fixproto.
1384 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
1386 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
1388 * config/mips/mips.c (double_memory_operand): Accept any MEM during
1389 reload when TARGET_64BIT.
1391 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
1393 Finish incomplete change started by Kenner.
1394 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
1395 (powerpcle-*-cygwin32): Delete xm_defines.
1396 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
1397 HAVE_STAB_H instead of NO_STAB_H.
1398 * config/xm-linux.h (NO_STAB_H): Delete.
1399 (HAVE_STAB_H): Undefine.
1400 * config/i386/xm-go32.h (NO_STAB_H): Delete.
1402 1998-05-19 Jim Wilson <wilson@cygnus.com>
1404 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
1405 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
1407 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
1409 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
1411 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1413 * reload1.c (reload_reg_free_for_value_p): New function.
1414 (allocate_reload_reg, choose_reload_regs): Use it.
1416 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
1418 * except.c (expand_start_catch): Correct logic for when to
1419 generate a new handler label, and when to use the old one.
1421 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1423 * Makefile.in (print-rtl.o): Depend on bitmap.h.
1424 (dbxout.o): Depend on toplev.h.
1425 ($(SCHED_PREFIX)sched.o): Likewise.
1426 ($(out_object_file)): Likewise for system.h and toplev.h.
1427 (cppmain.o): Depend on gansidecl.h.
1428 (cpplib.o): Likewise.
1429 (cpperror.o): Likewise.
1430 (cppexp.o): Likewise.
1431 (cpphash.o): Likewise.
1432 (cppalloc.o): Likewise.
1433 (fix-header.o): Depend on cpplib.h and cpphash.h.
1434 (scan-decls.o): Depend on gansidecl.h.
1436 * basic-block.h (free_regset_vector): Add prototype.
1438 * cccp.c (check_precompiled): Mark parameter `fname' with
1440 (do_assert): Likewise for `op' and `keyword'.
1441 (do_unassert): Likewise.
1442 (do_line): Likewise for `keyword'.
1443 (do_error): Likewise for `op' and `keyword'.
1444 (do_warning): Likewise.
1445 (do_ident): Likewise for `keyword'.
1446 (do_pragma): Likewise for `limit', `op' and `keyword'.
1447 (do_sccs): Likewise.
1448 (do_if): Likewise for `keyword'.
1449 (do_elif): Likewise.
1450 (do_else): Likewise.
1451 (do_endif): Likewise.
1453 * collect2.c (getenv): Remove redundant prototype.
1454 (collect_exit, collect_execute, dump_file): Likewise.
1455 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
1456 (dump_prefix_list): Hide prototype and definition.
1458 * sparc.c: Include toplev.h.
1459 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
1460 (symbolic_memory_operand): Likewise.
1461 (sp64_medium_pic_operand): Likewise.
1462 (data_segment_operand): Likewise.
1463 (text_segment_operand): Likewise.
1464 (splittable_symbolic_memory_operand): Likewise.
1465 (splittable_immediate_memory_operand): Likewise.
1466 (eq_or_neq): Likewise.
1467 (normal_comp_operator): Likewise.
1468 (noov_compare_op): Likewise.
1469 (v9_regcmp_op): Likewise.
1470 (v8plus_regcmp_op): Likewise.
1471 (extend_op): Likewise.
1472 (cc_arithop): Likewise.
1473 (cc_arithopn): Likewise.
1474 (small_int): Likewise.
1475 (uns_small_int): Likewise.
1476 (clobbered_register): Likewise.
1477 (legitimize_pic_address): Likewise.
1478 (delay_operand): Likewise.
1479 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
1481 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
1482 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
1484 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
1486 * cppalloc.c: Include gansidecl.h.
1488 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1489 (cpp_file_line_for_message): Mark parameter `pfile' with
1491 (v_cpp_message): New function.
1492 (cpp_message): Use it. Also convert to variable arguments.
1493 (cpp_fatal): Likewise.
1494 (cpp_pfatal_with_name): Constify parameter `name'.
1496 * cppexp.c: Move gansidecl.h before cpplib.h.
1497 * cpphash.c: Likewise.
1498 * cpphash.h (hashf, delete_macro): Add prototypes.
1500 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1501 cpplib.h. Don't include errno.h.
1502 (update_path): Add arguments to prototype.
1503 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1504 cpp_print_containing_files): Remove redundant prototypes.
1505 (cpp_hash_cleanup, add_import, append_include_chain,
1506 make_assertion, path_include, initialize_builtins,
1507 initialize_char_syntax, finclude, validate_else, comp_def_part,
1508 lookup_import, redundant_include_p, is_system_include,
1509 read_name_map, read_filename_string, open_include_file,
1510 check_macro_name, compare_defs, compare_token_lists,
1511 eval_if_expression, change_newlines): Add prototype arguments.
1512 (hashf): Remove redundant prototype.
1513 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1514 conditional_skip, skip_if_group): Add prototype arguments.
1515 (fdopen): Remove redundant prototype.
1516 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1517 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1518 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1519 (struct directive): Add prototype arguments to function pointer
1521 (handle_directive): Add missing arguments to call to `do_line'.
1522 (do_include): Mark parameters `unused1' and `unused2' with
1524 (do_line): Likewise for `keyword' and new parameters `unused1' and
1526 (do_error): Likewise for `keyword'.
1527 (do_warning): Likewise. Also add missing argument `pfile' in call
1529 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1531 (do_ident): Likewise for `keyword', `buf' and `limit'.
1532 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1533 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1535 (do_if): Likewise for `keyword'.
1536 (do_elif): Likewise.
1537 (eval_if_expression): Likewise for `buf' and `length'.
1538 (do_xifdef): Likewise for `unused1' and `unused2'.
1539 (do_else): Likewise for `keyword', `buf' and `limit'.
1540 (do_endif): Likewise.
1541 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1542 (cpp_handle_options): Remove superfluous NULL argument in call to
1544 (cpp_handle_options): Likewise.
1545 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1547 (do_unassert): Likewise.
1548 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1549 cpp_file_line_for_message.
1550 (v_cpp_error): New function.
1551 (cpp_error): Use it. Also accept variable arguments.
1552 (v_cpp_warning): New function.
1553 (cpp_warning): Use it. Also accept variable arguments.
1554 (cpp_pedwarn): Accept variable arguments.
1555 (v_cpp_error_with_line): New function
1556 (cpp_error_with_line): Use it. Accept variable arguments.
1557 (v_cpp_warning_with_line): New function.
1558 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1560 (cpp_pedwarn_with_line): Accept variable arguments.
1561 (cpp_pedwarn_with_file_and_line): Likewise.
1562 (cpp_error_from_errno): Constify parameter `name'. Add missing
1563 argument `pfile' in call to cpp_file_line_for_message.
1564 (cpp_perror_with_name): Constify parameter `name'.
1566 * cpplib.h: Define PARAMS() in terms of PROTO().
1567 (fatal): Remove redundant prototype.
1568 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1569 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1570 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1571 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1572 cpp_file_line_for_message, cpp_print_containing_files): Add
1573 arguments to prototypes.
1574 (scan_decls, cpp_finish): Add prototypes.
1576 * cppmain.c: Include gansidecl.h.
1577 (main): Remove unused variable `i'.
1579 * dbxout.c: Include toplev.h.
1581 * demangle.h (do_tlink, collect_execute, collect_exit,
1582 collect_wait, dump_file, file_exists): Add prototype.
1584 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1585 prototype and definition.
1586 (gen_unspecified_parameters_die): Don't assign results of call to
1587 function new_die() to unused variable `parm_die'.
1588 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1589 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1591 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1592 prototype and definition.
1593 (output_die): Add prototype arguments to function pointer arg.
1594 (output_unspecified_parameters_die): Mark parameter `arg' with
1597 * except.c (output_exception_table_entry): Remove unused variable
1600 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1603 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1605 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1607 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1608 before cpplib.h, include cpphash.h, remove redundant prototype of
1609 cpp_fatal, don't define `const', add a prototype for `fatal'.
1610 (cpp_file_line_for_message): Add missing arguments `pfile'.
1611 (v_cpp_message): New function.
1612 (cpp_message): Use it.
1613 (v_fatal): New function.
1614 (fatal, cpp_fatal): Use it.
1615 (cpp_pfatal_with_name): Constify parameter `name'.
1617 * flow.c (free_regset_vector): Remove redundant prototype.
1619 * function.c (round_down): Wrap prototype and definition with
1620 macro ARGS_GROW_DOWNWARD.
1621 (record_insns): Wrap prototype and definition with
1622 defined (HAVE_prologue) || defined (HAVE_epilogue).
1624 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1626 * gen-protos.c: Include gansidecl.h.
1627 (hashf): Don't make it static, constify parameter `name'.
1629 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1630 specifier %s in calls to function `fatal'.
1632 * haifa-sched.c: Include toplev.h.
1633 (find_rgns): Remove unused variable `j'.
1635 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1637 (mark_stores): Likewise.
1639 * jump.c (mark_modified_reg): Likewise.
1641 * output.h (insn_current_reference_address): Add prototype.
1642 (eh_frame_section): Likewise.
1644 * print-rtl.c: Include bitmap.h.
1646 * reload1.c (reload): Wrap variables `note' and `next' in macro
1647 PRESERVE_DEATH_INFO_REGNO_P.
1648 (forget_old_reloads_1): Mark parameter `ignored' with
1650 (choose_reload_regs): Remove unused variable `in'.
1651 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1653 (reload_cse_check_clobber): Likewise.
1655 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1656 (mark_elimination): Fix typo in prototype.
1658 * scan-decls.c: Include gansidecl.h.
1660 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1662 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1664 * function.c (identify_blocks): Fix thinko when setting the
1665 block number for NOTE_INSN_BLOCK_END.
1667 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1669 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1672 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1673 underscores for the prefixes to the names of the maths functions.
1675 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1676 comment explaining why.
1678 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1680 * tree.h (TYPE_SIZE_UNIT): New.
1681 (struct tree_type): Add size_unit member.
1682 * stor-layout.c (layout_type): Initialize it.
1683 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1684 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1686 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1688 * stor-layout.c (layout_record): Fix off-by-one error when checking
1689 length of the TYPE_BINFO vector.
1691 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1693 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1694 function parameter passed in memory.
1696 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1698 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1699 Prototypes for externally used functions in respective C files.
1700 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1701 final.c: Include above files.
1702 * Makefile.in (toplev.o): Add dependency for above four headers.
1703 (final.o): Likewise.
1704 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1705 respective header files.
1707 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1709 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1710 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1711 the build tree if they exist.
1712 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1714 (objdir): Let configure substitute value.
1715 (FLOAT_H): Let configure select a pre-built version from the
1717 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1718 * configure.in: Substitute for objdir.
1720 * Makefile.in (build_canonical, host_canonical): Let configure
1721 substitute values for these variables.
1722 * configure.in: Substitute for build_canonical, host_canonical
1723 and target_subdir in generated Makefile.
1725 * output.h (find_basic_blocks): Declare.
1726 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1728 * Makefile.in (BISON): Use bison from the build tree if it exists.
1731 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1733 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1734 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1735 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1736 command line arguments to see if an executable is not being
1737 created, and if so - do not append the suffix.
1739 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1742 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1744 * i386.h (ALIGN_DFmode): Delete.
1745 (CONSTANT_ALIGNMENT): Define.
1746 * varasm.c (force_const_mem): Use it.
1748 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1750 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1751 using it with swap_condition, not before.
1753 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1755 * alias.c (mode_alias_check): Delete.
1756 (true_dependence, anti_dependence, output_dependence): Revert April 21
1759 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1761 * toplev.c (output_lang_identify): Enable prototype and definition.
1763 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1765 * version.c: Bump for snapshot.
1767 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1769 * alpha/osf.h (HAVE_STAMP_H): Define.
1771 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1772 * configure.in (alpha*-*-netbsd*): New.
1773 Based on patches from Paul H. Anderson <pha@pdq.com>.
1775 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1776 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1777 * alpha/xm-linux.h: Remove file.
1779 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1781 * dbxout.c (dbxout_parms): If mode of type of parameter living
1782 in memory doesn't match mode of DECL_RTL, make big endian correction.
1784 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1786 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1788 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1790 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1791 * stor-layout.c (layout_record): Set it.
1793 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1795 * toplev.c (rest_of_compilation): Don't defer nested functions.
1797 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1799 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1800 to an 8-byte boundary if info_ptr->fpmem_p.
1802 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1804 * loop.c (basic_induction_var): Added test preventing
1805 CCmode parameter passed to convert_modes().
1807 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1809 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1810 input_filename and lineno around expand_expr call. Set them to values
1811 in WFL before expand_expr call.
1813 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1815 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
1817 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
1819 * fold-const.c (constant_boolean_node): New function.
1822 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1824 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
1825 Abort if trying to split kind 3 or 4 outside of combine.
1827 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
1829 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
1831 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
1833 * objc/Make-lang.in (OBJC_O): Add missing exeext.
1834 (libobjc.a, runtime-info.h): Likewise.
1836 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
1838 * i386.h (DATA_ALIGNMENT): Define.
1840 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1842 * reload1.c (delete_output_reload): Ignore single USE that
1843 was emitted for the pseudo use of this INSN.
1844 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
1845 remains, we can always delete OUTPUT_RELOAD_INSN.
1847 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
1849 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
1851 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
1853 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
1855 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1857 * eh-common.h: New file for basic EH data structures.
1858 * except.h: Various prototypes and structures for NEW_EH_MODEL
1859 * function.h (struct function): Add a struct eh_stack for the catch
1861 * except.c (gen_exception_label): New function to generate an
1863 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
1864 (push_entry): New function to push an existing entry onto a stack.
1865 (receive_exception_label): New function to emit the code required
1866 at the start of all catch blocks.
1867 (struct func_eh_entry): New structure for maintaining handlers
1868 associated with EH regions.
1869 (new_eh_region_entry): New function to register an EH region.
1870 (add_new_handler): New function to register a handler with a region.
1871 (get_new_handler): Creates anew handler entry for registering.
1872 (find_func_region): New function to convert a NOTE eh region number
1873 to an Eh region index.
1874 (get_first_handler): New function to get the first handler in a region.
1875 (clear_function_eh_region): New function to release memory.
1876 (duplicate_handlers): New function to duplicate a list of handlers.
1877 (expand_eh_region_end): Create a new region entry node as well.
1878 (expand_leftover_cleanups): Call receive_exception_label() and
1879 register the cleanup as a handler to the current region.
1880 (expand_start_catch): New function to start a catch clause.
1881 (expand_end_catch): New function to end a catch clause.
1882 (expand_start_all_catch): restructure to not do the equivilent of
1883 what expand_start_catch() does now. Push the exception region being
1884 handled onto the catch stack.
1885 (output_exception_table_entry): Issue an entry for each handler
1886 associated with a region.
1887 (set_exception_lang_code): New function for setting the language code.
1888 (set_exception_version_code): New function to set the version number.
1889 (output_exception_table): Output version and language codes.
1890 (find_exception_handler_labels): Find handler labels using new scheme.
1891 (is_exception_handler_label): New function, returns 1 if label is
1892 present as a handler in some exception region.
1893 (check_exception_handler_labels): Use the new scheme.
1894 (init_eh_for_function): Initialize the catch stack.
1895 (save_eh_status): Save the catch stack.
1896 (restore_eh_status): Restore the catch stack.
1897 (scan_region): Don't remove unreferenced handler label. Flow does it.
1898 (get_reg_for_handler): New function to get the eh_context pointer
1900 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
1901 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
1902 entry when processing END region rather that START region.
1903 * flow.c (find_basic_blocks_1): Find all potential handler regions
1904 now that we don't automatically know what the labels might be.
1905 Let scan_region() remove unreferenced EH BEGIN/END labels.
1906 * integrate.c (get_label_from_map): Put inlined labels onto the
1907 permanent obstack since we dont know which ones might be exception
1909 (save_for_inline_copying): Make new copies of all the handlers.
1910 (expand_inline_function): Make new copies of all the handlers.
1911 * libgcc2.c: Remove local struct decls, and include eh-common.h.
1912 (find_exception_handler): With NEW_EH_MODEL the first matching
1913 region we find is the right one. Add eh_info as a new parameter.
1914 (__throw): Pass eh_info to find_exception_handler. Set handler
1915 and pass use different regs under NEW_EH_MODEL.
1917 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
1919 * i960.h (hard_regno_mode_ok): Changed to function from array of
1921 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
1922 * i960.c (hard_regno_mode_ok): Changed to function from array of
1925 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1927 * reload.c (remove_replacements): New function.
1928 * reload.h (remove_replacements): Declare.
1929 * reload1.c (choose_reload_regs): Disable some reloads that
1930 belong to inherited reloads.
1932 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1934 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
1936 * reload1.c (merge_assigned_reloads): When merging, reset
1937 reload_spill_index for the eliminated reload.
1939 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
1941 * haifa-sched.c (schedule_insns): Fix merge goof.
1943 1998-05-13 Jim Wilson <wilson@cygnus.com>
1945 * varasm.c (make_decl_rtl): Revert April 1 change.
1946 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
1947 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
1948 Get function name from the SYMBOL_REF in the DECL_RTL, not from
1949 DECL_ASSEMBLER_NAME.
1950 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
1951 DECL_ASSEMBLER_NAME.
1953 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
1955 * i386.c (notice_update_cc, output_float_compare): Disable
1956 TARGET_CMOVE support.
1958 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
1959 Jeff Law <law@cygnus.com>
1961 * rtlanal.c (find_reg_note): Ignore notes that are not on on
1963 (find_regno_note): Likewise.
1965 * Makefile.in (stor-layout.o): Depend on except.h
1966 (varasm.o, function.o): Likewise.
1967 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
1969 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
1970 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
1971 ($(HOST_PREFIX_1)rtl.o): Likewise.
1972 ($(HOST_PREFIX_1)bitmap.o): New host object.
1973 * emit-rtl.c (toplevel): Include bitmap.h.
1974 (gen_rtx): Handle 't' and 'b' nodes.
1975 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
1976 Print block number for block begin/end notes. Print 't' type
1977 nodes as a pointer. Know that the 3rd argument of live range
1978 start/stop notes is really a range_info rtx. If type is 'b', print
1979 out argument as a bitmap.
1980 * rtl.c: Include bitmap.c.
1981 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
1982 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
1983 * rtl.def (RANGE_LIVE): New node to hold live information while we
1984 recalculate the basic blocks.
1985 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
1986 (RANGE_VAR): New node, to hold information saved in symbol node for New
1987 communicating live range information to the debug output functions.
1988 * rtl.h (rtunion_def): Add rttree and rtbit fields.
1989 (XBITMAP, XTREE): New accessor macros.
1990 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
1991 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
1992 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
1993 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
1994 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
1995 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
1996 (RANGE_INFO_*): Likewise.
1997 * sched.c (sched_analyze): Keep live range start/stop notes.
1998 (unlink_other_notes): Likewise.
1999 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
2000 (unlink_other_notes): Likewise.
2001 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
2002 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2003 (DECL_LIVE_RANGE_RTL): Likewise.
2004 (struct tree_block): Add live_range_flag, live_range_var_flag,
2005 live_range_start and live_range_end.
2006 (struct tree_decl): Add live_range_rtl field.
2007 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
2008 (accessor_from_format): Likewise.
2010 * haifa-sched.c (schedule_block): Make verbose output line up.
2011 Also add a blank line in printing the individual ready lists.
2013 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2015 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
2016 (c-lex.o): Depend on output.h.
2017 (c-common.o): Likewise.
2019 (calls.o): Likewise.
2020 (integrate.o): Depend on toplev.h.
2021 (regclass.o): Depend on output.h.
2022 (final.o): Depend on reload.h.
2024 * c-common.c: Include output.h.
2025 (check_format_info): Remove unused variable `integral_format'.
2027 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
2028 `indent' with ATTRIBUTE_UNUSED.
2029 (print_lang_type): Likewise.
2030 (maybe_build_cleanup): Likewise for parameter `decl'.
2031 (copy_lang_decl): Likewise for parameter `node'.
2033 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
2034 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2035 with ATTRIBUTE_UNUSED.
2036 (lookup_interface): Likewise for parameter `arg'.
2037 (is_class_name): Likewise.
2038 (maybe_objc_check_decl): Likewise for parameter `decl'.
2039 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
2041 (maybe_objc_method_name): Likewise for parameter `decl'.
2042 (build_objc_string): Likewise for parameters `len' and `str'.
2044 * c-lex.c: Include output.h.
2046 * c-lex.h (position_after_white_space): Correct typo in prototype.
2048 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
2049 c_expand_end_cond, init_iterators): Add prototypes.
2051 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
2052 with ATTRIBUTE_UNUSED.
2054 * calls.c: Include output.h.
2056 * cccp.c (pipe_closed): Mark parameter `signo' with
2059 * combine.c: Move inclusion of expr.h to after insn-config.h.
2061 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
2062 as empty, rather define as ((void)0).
2064 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
2065 Add parentheses around assignment used as truth value.
2067 * cplus-dem.c (squangle_mop_up): Change return type to void.
2068 (internal_cplus_demangle): Remove unused parameter `options'.
2069 All callers changed.
2070 (cplus_demangle_opname): Remove function wide variable `int i' and
2071 replace with `size_t i' at each location where it is used.
2072 (cplus_demangle_opname): change type of `i' from int to size_t.
2074 * cppexp.c (right_shift): Mark parameter `pfile' with
2077 * cpphash.c (cpp_lookup): Likewise.
2078 (cpp_hash_cleanup): Likewise.
2080 * cpplib.c (parse_name): Add a prototype and make it static.
2081 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2082 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
2083 (macro_cleanup): Likewise for parameter `pfile'.
2084 (file_cleanup): Likewise.
2086 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
2087 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
2089 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
2090 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
2092 * cse.c (cse_check_loop_start): Mark parameter `set' with
2095 * dbxout.c (flag_minimal_debug, have_used_extensions,
2096 source_label_number): Move inside macro wrapper check against
2097 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
2099 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
2101 * except.h (doing_eh): Provide prototype.
2103 * expr.c: Move inclusion of expr.h to after insn-config.h.
2105 * final.c: Include reload.h.
2106 (shorten_branches): Cast the first argument of bzero to char *.
2108 * fix-header.c (cpp_print_containing_files): Mark parameter
2109 `pfile' with ATTRIBUTE_UNUSED.
2110 (cpp_fatal): Likewise.
2112 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
2115 * genattrtab.c (make_length_attrs): Change the type of variable
2116 `i' from int to size_t.
2117 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
2120 * genextract.c (main): When generating insn-extract.c, mark
2121 variable `junk' with ATTRIBUTE_UNUSED.
2123 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
2124 argument of bzero to char*.
2126 * integrate.c: Include toplev.h.
2128 * libgcc2.c: Wrap `struct exception_table' and
2129 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
2131 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
2133 * objc/objc-act.c: Include toplev.h.
2134 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2135 with ATTRIBUTE_UNUSED.
2136 (finish_protocol): Likewise for parameter `protocol'.
2138 * output.h (declare_weak): Add prototype.
2139 (decode_reg_name): Don't wrap with TREE_CODE macro.
2140 (assemble_alias): Add prototype.
2142 * regclass.c: Include output.h.
2144 * reload.h (reloads_conflict): Add prototype.
2146 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
2147 output_func_start_profiler): Add prototypes.
2149 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
2152 * scan-decls.c: Include scan.h.
2154 * scan.h (recognized_function, recognized_extern): Add prototypes.
2156 * stmt.c: Include output.h.
2158 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
2159 (output_lang_identify): Hide prototype and definition.
2160 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
2161 (pipe_closed): Likewise.
2163 * toplev.h (count_error, strip_off_ending, error_for_asm,
2164 warning_for_asm): Add prototypes.
2166 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
2168 * toplev.c (rest_of_compilation): "Charge" final for any time
2169 doing various cleanup operations after finishing compilation
2172 * flow.c (dump_flow_info): Also print number of sets and
2173 whether or not the pseudo is a user variable.
2175 * flow.c (reg_n_max): New global variable.
2176 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
2177 Delete regno_max variable.
2178 * regs.h (REG_N_CHECK): Define.
2179 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
2180 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
2181 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
2183 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
2185 * acconfig.h (ENABLE_CHECKING): Undefine.
2186 * configure.in (--enable-checking): New option.
2188 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2190 * reload1.c (merge_assigned_reloads): Can merge
2191 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
2192 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
2194 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
2196 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
2198 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * reload1.c (gen_reload): Create REG_EQUIV notes.
2202 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2204 * reload1.c (reload): Fix check for USEs to use code of pattern.
2205 (choose_reload_regs): Remove dead variable use_insn.
2207 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
2209 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
2211 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
2213 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
2215 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
2216 (insn_{unit,issue_delay}): Ditto.
2217 (blockage_range): Ditto.
2218 (actual_hazard{,_this_instance}): Ditto.
2219 (schedule_unit): Ditto.
2220 (potential_hazard): Ditto.
2223 (queue_insn): Ditto.
2224 (birthing_insn_p): Ditto.
2225 (adjust_priority): Ditto.
2226 (get_block_head_tail): Ditto.
2227 (init_rgn_data_dependences): Ditto.
2229 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
2231 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
2233 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
2235 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
2237 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
2239 * config/mips/mips.md (dslot): Move after definition of "cpu"
2240 attribute. Handle r3900 case.
2242 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * system.h: Define the STRINGIFY macro here.
2245 * protoize.c: Not here.
2246 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
2248 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
2250 * varasm.c (assemble_variable): Compute the alignment of the data
2251 earlier so that both initialized and uninitialized variables are
2252 effected by DATA_ALIGNMENT.
2253 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
2255 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
2257 * mips.c: Prototype static functions.
2259 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
2261 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
2262 Add explanatory comments.
2264 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
2266 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
2268 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
2270 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
2272 * varasm.c (make_decl_rtl): Disable April 1 change.
2274 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
2276 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
2278 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
2280 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
2281 * alpha.c (print_operand): Handle it.
2282 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
2283 related define_splits. Also add peepholes for SImode reload
2284 plus sign_extend lossage.
2286 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2288 * genattr.c: Include stdarg.h/varargs.h. Change function
2289 `fatal' to use variable arguments instead of faking it with
2290 integer parameters. Provide a prototype which also
2291 checks the format specifiers using ATTRIBUTE_PRINTF_1.
2293 * genattrtab.c: Likewise.
2294 * gencodes.c: Likewise.
2295 * genconfig.c: Likewise.
2296 * genemit.c: Likewise.
2297 * genextract.c: Likewise.
2298 * genflags.c: Likewise.
2299 * genopinit.c: Likewise.
2300 * genpeep.c: Likewise.
2301 * genrecog.c: Likewise.
2302 * genoutput.c: Likewise. Similarly for function `error'.
2304 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
2307 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
2308 * configure.in: Use GCC_C_VOLATILE.
2309 * system.h (volatile): Define as empty if no volatile support is
2312 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
2314 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
2317 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
2319 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
2320 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
2321 the body of beq; additionally set the mode of the branch to CCmode for
2322 FP compares and not fast_math.
2323 (alpha_emit_conditional_move): Always use a compare insn for FP
2324 when not fast_math, as well as setting CCmode on the cmov.
2325 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
2327 * machmode.h (COMPLEX_MODE_P): New macro.
2329 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
2331 * haifa-sched.c (print_exp): Fix typo.
2333 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
2335 * version.c: Bump for snapshot.
2337 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
2339 * final.c (final_scan_insn): Call fatal_insn instead of abort if
2340 we could not split an insn when required to.
2342 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
2344 (peepholes): Disable peepholes that call dead_or_set_p.
2345 (movsi): Rewrite to handle addresses better after last change.
2346 Add define_split to split load of addresses in large/medium modes.
2347 (prologue): Call m32r_expand_prologue.
2348 (movsi_{push,pop}): Generators for push/pop.
2349 (movsi): Support PRE_{INC,DEC}, POST_INC.
2350 (mov{di,df}): Rewrite. Always split the insns.
2351 (movsf): Add define_split to get register load in correct mode.
2352 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
2353 (attributes): Rewrite attributes so that type indicates both the
2354 type and the length of the insn directly.
2355 (all insns): Change to use new type attributes.
2356 (debug): New attribute to convey whether -mdebug was used.
2357 (opt_space): New attribute to convey whether -Os was used.
2358 (function units): Loads are 3 cycles, not 2. Better classify all
2359 insns into short/long.
2360 (load/store/extend insns): Add separate case for load/store
2361 indirect operations without an offset.
2362 (divsi3): Division is a long operation, not short.
2364 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
2366 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
2367 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
2368 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
2369 operands with PRE_{INC,DEC}, POST_INC.
2370 (FUNCTION_PROFILER): Call abort instead of doing nothing.
2371 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
2373 (gen_split_move_double): Declare.
2374 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
2376 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
2377 emit_move_insn, build up SET's directly.
2378 (toplevel): Include system.h, not stdio.h.
2379 (move_double_src_operand): Allow any DF or DI mode constant.
2380 (gen_split_move_double): Split moves of DI or DF values into the
2381 appropriate moves, loads, or stores. Don't handle use of auto
2382 inc/dec if using dead index. Do handle overlapping moves, etc.
2383 (m32r_frame_info): Remove prologue_size field.
2384 (m32r_compute_frame_size): Don't calculate prologue size.
2385 (m32r_output_function_prologue): Change to pretty much a NOP.
2386 (m32r_expand_prologue): Expand prologue as a series of INSNs.
2387 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
2388 (m32r_print_operand_address): Ditto.
2390 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
2392 * reload1.c (emit_reload_insns): When performing expensive
2393 optimizations, do not output the last reload insn if OLD is
2394 not the dest of NSN and is in the src and is clobbered by INSN.
2396 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2398 * Makefile.in (genrtl.o): Depend on system.h.
2399 * gengenrtl.c (gencode): When creating genrtl.c, have it
2402 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2404 * config/m68k/t-linux: Remove extra stuff already included in
2407 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
2409 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
2410 curses.h if it contains `typedef char bool;', as suggested by
2411 Manfred Hollstein <manfred@s-direktnet.de>.
2413 * configure.in: Rename fixinc.math to fixinc.wrap.
2415 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
2417 * gcc.c (read_specs): Handle missing blank line at end of specs file.
2419 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
2420 movdfcc_1): Disable.
2422 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
2424 * configure.in (enable_threads): Rename to enable_threads_flag before
2425 main loop. Set enable_threads to enable_threads_flag inside main
2428 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
2430 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
2433 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2435 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
2437 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
2438 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
2439 (AC_CHECK_FUNCS): Remove unused check for vprintf.
2441 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
2442 (cccp.o): Depend on gansidecl.h.
2445 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
2446 per the rest of gcc source.
2447 * cexp.y: Likewise. Include gansidecl.h and remove all code made
2450 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
2451 used when vfprintf is missing.
2454 * genattrtab.c: Likewise.
2455 * mips-tfile.c: Likewise.
2456 * toplev.c: Likewise.
2458 * vfprintf.c: New file.
2459 * doprint.c: New file.
2461 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
2463 * config/linux.h (ASM_COMMENT_START): Remove from here,
2464 * config/linux-aout.h (ASM_COMMENT_START): and here,
2465 * config/i386/linux.h (ASM_COMMENT_START): to here,
2466 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
2467 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
2470 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2472 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
2475 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
2477 * Makefile.in (dwarfout.o) Add toplev.h dependency.
2478 * dwarfout.c, i386.c: Include toplev.h
2479 * toplev.h: (pfatal_with_name) Add prototype.
2481 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2483 * Makefile.in: Fix .SUFFIXES.
2485 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2487 * config/linux.h (ASM_COMMENT_START): Define as "#".
2488 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2490 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2492 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2493 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2495 * toplev.c: Include toplev.h.
2496 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2497 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2498 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2499 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2500 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2501 toplev.h dependency.
2503 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2504 HARD_FRAME_POINTER_REGNUM.
2506 * expr.c (target_temp_slot_level): Delete duplicate definition.
2508 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2510 * stmt.c (mark_seen_cases): Make it have external linkage again.
2511 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2514 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2516 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2517 * i386.h (REG_CLASS_CONTENTS): Similarly.
2519 * toplev.c (-fsched-max): Delete flag.
2520 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2521 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2522 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2525 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2526 inner loops which are not reducible.
2528 * loop.c (regs_match_p): Fix typo in prototype.
2530 * regmove.c (try_auto_increment): Wrap declaration inside an
2531 #ifdef AUTO_INC_DEC.
2533 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2535 * final.c (output_operand_lossage): Call fatal with the operand
2536 lossage message instead of calling abort.
2538 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2540 * c-common.c: Convert to using ctype macros defined in system.h.
2541 * c-lex.c: Likewise.
2543 * collect2.c: Likewise.
2544 * rs6000.c: Likewise.
2545 * cpplib.c: Likewise.
2546 * fix-header.c: Likewise.
2548 * gen-protos.c: Likewise.
2549 * pexecute.c: Likewise.
2550 * protoize.c: Likewise.
2554 * tlink.c: Likewise.
2555 * toplev.c: Likewise.
2557 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2559 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2560 Replace -gdwarf-2 with -g0.
2562 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2565 * mips-tdump.c: Include system.h, remove redundant headers.
2566 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2567 to calls of the macro versions defined in system.h.
2569 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2570 * objc/objc-act.c: Include system.h, remove redundant headers.
2572 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2574 * configure.in (AC_CHECK_FUNCS): Add isascii.
2575 (GCC_NEED_DECLARATIONS): Add atof.
2577 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2578 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2580 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2582 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2583 Provide default definitions for O_RDONLY and O_WRONLY here.
2585 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2587 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2589 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2591 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2593 * toplev.h: New file. Protypes for functions in toplev.c.
2594 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2595 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2596 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2597 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2598 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2599 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2600 varasm.c: include it.
2602 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2603 Jim Wilson (wilson@cygnus.com)
2605 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2606 blocks. Check for 1 successor which is the EXIT_BLOCK.
2608 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2609 unreachable loops with more than one block.
2611 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2613 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2616 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2618 * Check in merge from gcc2. See ChangeLog.12 for details.
2620 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2622 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2623 accept 'a' flag. 'S' does accept 'a' flag.
2624 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2627 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2629 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2631 * config/m68k/m68k.h: Declare functions from m68k.c used in
2632 macros and machine description.
2633 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2635 (ASM_OUTPUT_FLOAT): Likewise.
2636 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2638 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2640 * tree.def: Add NAMESPACE_DECL.
2641 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2642 * dwarf2out.c (push_decl_scope): Likewise.
2643 (scope_die_for): Likewise.
2644 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2645 how to get next context level.
2647 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2649 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2652 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2654 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2656 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2657 for any insns skipped at the start of a block because they were
2660 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2662 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2664 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2666 * c-common.c (format_char_info): Add new field hhlen.
2667 (print_char_table, scan_char_table, time_char_table): Initialize
2668 hhlen field appropriately.
2669 (char_format_info): Recognize hh modifier and lookup correct char
2672 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2674 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2675 reference if this is a store.
2677 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2679 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2681 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2683 Make UnixWare 7 bootstrap support work with final shipping product.
2684 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2685 Pick up xm-siglist and xm-alloca.
2686 (xm_defines): Add USG so dbxout will build.
2687 * configure: Regenerate.
2689 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2691 Support for official Sparc V9 ABI:
2692 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2693 Care for flag_pcc_struct_return default.
2694 (output_move_quad): Rewrite to move by halves on v9 and in the
2696 (move_quad_direction): New function.
2697 (output_fp_move_quad): Use it to determine the direction of copy.
2698 (function_arg_slotno): Return -1 for FP reg overflow as well.
2699 (function_arg_record_value*): New functions.
2700 (function_arg): Use them. Streamline unprototyped parameter passing.
2701 (function_arg_pass_by_reference): Pass TCmode by reference.
2702 (function_value): New function.
2703 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2704 long long in 64-bit mode.
2705 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2706 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2707 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2708 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2709 (BASE_INCOMING_ARG_REG): Likewise.
2710 (FUNCTION_VALUE): Call function_value.
2711 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2712 * sparc.md (movdi_sp32_v9): Disable for arch64.
2713 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2714 (call_value_address_sp64): Remove register class constraints.
2715 (call_value_symbolic_sp64): Likewise.
2716 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2717 v9 case to 32-bit constants.
2718 (goto_handler_and_restore_v9): Provide a version for arch64.
2719 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2720 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2721 (CPP_PREDEFINES): New.
2722 * sparc/sp64-elf.h: Likewise.
2723 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2724 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2725 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2727 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2729 * version.c: Bump for snapshot.
2731 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2733 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2734 is reloaded with the MEM of its stack slot.
2735 * reload1.c (cannot_omit_stores): Delete.
2736 (reload): Don't initialize it.
2737 Don't apply avoid_return_reg logic to USEs.
2738 When done, remove USEs that have a REG_EQUAL note on them.
2739 (emit_reload_insns): Handle case where we have inherited a MEM.
2740 (choose_reload_regs): Likewise.
2741 (delete_output_reload): Don't use cannot_omit_stores.
2743 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2745 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2747 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2749 * haifa-sched.c (print_{exp,value}): Various changes to make the
2750 debug output easier to read. Also, use only one buffer, and make
2751 sure the buffer we are passed in doesn't overflow.
2752 (safe_concat): Concatenate to a buffer without overflow.
2754 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2756 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2759 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2761 * sched.c (new_insn_dead_notes): Check if the register was
2762 used in the original instruction.
2763 * haifa-sched.c (new_insn_dead_notes): Likewise.
2765 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2767 * dwarf2out.c (scope_die_for): If could not find proper scope,
2768 check for and handle tagged type with incorrect TYPE_CONTEXT.
2770 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2772 * calls.c (expand_call): Fix recognition of C++ operator new.
2774 * alias.c (mode_alias_check): Disable type based alias detection.
2776 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2778 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2779 ASM_OUTPUT_WEAK_ALIAS): Define.
2780 * config/mips/elf64.h: Same.
2781 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2782 ASM_WEAKEN_LABEL): Removed.
2784 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2786 * calls.c (expand_call): Bump the length limit on the specially
2787 recognized function names to 17.
2789 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2791 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2792 when undefining macros at the end.
2794 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2795 val or len has TREE_SIDE_EFFECTS set.
2797 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2798 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2799 (smuldi3_highpart): Call const v8plus routine.
2800 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2801 (const_smulsi3_highpart_v8plus): New pattern.
2802 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2803 (umulsidi3): Call const v8plus routine.
2804 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2806 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2807 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2809 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2811 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2812 values to int, so they can be prototyped even in files that don't
2814 ({small,large}_insn_p): Ditto.
2815 (m32r_select_cc_mode): Ditto.
2816 (gen_compare): Ditto.
2817 (function_arg_partial_nregs): Ditto.
2818 (m32r_setup_incoming_varargs): Ditto.
2819 (init_reg_tables): Add prototype.
2820 (m32r_frame_info): Add prolog_size field.
2821 (m32r_compute_frame_size): Calculate the size of the prologue.
2822 (m32r_first_insn_address): Return prologue size.
2823 (m32r_output_function_prologue): Calculate frame size before
2824 printing out information. Print out the prologue size.
2826 * m32r.h: Prototype all functions in m32r.c.
2827 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
2829 * m32r.md (bcc functions): Cast enum's to int.
2831 * m32r.c (conditional_move_operand): Silence a debug message.
2832 ({small,long}_insn): New predicates.
2834 * m32r.h (TARGET_M32R): New macro.
2835 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
2836 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
2838 (ISSUE_RATE): Define as 2.
2840 * m32r.md (insn_size): New attribute.
2841 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
2843 (m32r): New attribute.
2845 * configure.in (enable_haifa): Switch m32r to Haifa by default.
2846 * configure: Regenerate.
2848 (Changes from Nick Clifton <nickc@cygnus.com>)
2849 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
2850 the equivalent of a negated 'I' constraint.
2851 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
2852 optimisation to work.
2854 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
2855 than 'I' since the value is negated.
2856 (peephole): Add peephole optimisation to cope with optimization of
2857 divide and subtracts of the same operands.
2859 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
2863 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
2866 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
2868 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
2870 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
2872 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
2873 frame_pointer_rtx not FRAME_POINTER_REGNUM.
2875 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
2877 * reg-stack.c: Revert last patch (Apr 20).
2878 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
2880 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
2882 * loop.c (check_dbra_loop): New locals jump, first_compare, and
2883 compare_and_branch. Call get_condition to set first_compare.
2884 Set compare_and_branch to number of compare/branch instructions.
2885 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
2886 Replace '2' with compare_and_branch.
2888 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2890 * cplus-dem.c (demangle_qualified): Replace missing else.
2892 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2894 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
2896 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2898 * sh.c (sh_expand_prologue, sh_expand_epilogue):
2899 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
2900 * sh.h (STACK_BOUNDARY): Likewise.
2902 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2904 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2906 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
2908 * system.h (abort): If abort is not defined, and neither is
2909 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
2910 reporting the line and filename of the error.
2912 * .gdbinit: Add breakpoints on exit and fancy_abort.
2914 * final.c (split_double): Avoid a compiler warning if
2915 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
2917 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
2918 for calling jump_optimize.
2920 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
2921 macros, rather than 0/1's.
2923 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
2925 * alpha.h (CONST_COSTS): Zero is always free.
2926 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
2928 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2930 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
2931 length in the name of a virtual table.
2933 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
2935 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
2937 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
2939 * version.c: Bump for snapshot.
2941 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
2943 * fold-const.c (fold_convert): Fix typo.
2945 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
2947 * alias.c (alias_invariant): New variable.
2948 (record_base_value): New argument INVARIANT.
2949 (memrefs_conflict_p): If a register has an entry in the alias_invariant
2950 array, try substituting that value for the register.
2952 * rtl.h: Declare record_base_value.
2954 * loop.c, unroll.c: Update callers of record_base_value.
2956 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
2957 ZERO_EXTEND do not affect base values.
2959 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
2961 * dbxout.c (dbxout_type): Fix typo.
2962 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
2964 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
2966 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
2968 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
2969 if the argument is the address of a structure or array.
2971 * configure.in: Enable Haifa scheduler by default for SPARC.
2973 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2975 * cse.c (cse_set_around_loop): Don't do optimization when
2976 new pseudos are created.
2978 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
2980 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
2982 (dbxout_type_method_1, dbxout_type): Likewise.
2983 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
2984 (dbxout_type): Fix check for when to print a type range in
2987 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2989 * (gen_shl_and, in case 1): Fix comparison with mask.
2991 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
2993 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
2994 pointer as second register in REG+REG pair.
2996 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2998 * c-common.c (check_format_info): Don't check for the 'x' format
2999 character twice, instead check for 'x' and 'X'
3001 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
3003 * Makefile.in (libgcc2.ready): Add explicit dependancy from
3004 $(STMP_FIXPROTO) to ensure all necessary include files have
3005 been created and to guarantee proper parallel builds.
3007 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3009 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
3010 register for stdarg functions.
3011 * sh.h (current_function_varargs): Declare.
3012 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
3014 1998-04-23 Jim Wilson <wilson@cygnus.com>
3016 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
3017 inhibit_libc is defined.
3019 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
3021 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
3023 * profile.c (tablejump_entry_p): New function.
3024 (branch_prob): Add code to recognize MIPS tablejump entry branch.
3025 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
3027 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
3029 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
3030 found, rather than at end of the loop, after the insn has been
3033 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3035 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
3036 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
3038 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
3040 * loop.c (note_addr_stored): Correct function to take 2 arguments,
3043 * rtl.def (MATCH_INSN2): Add new matching pattern.
3044 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
3046 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
3048 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
3049 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
3051 * final.c (split_double): Sign extend both halves of a split CONST_INT.
3053 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
3055 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
3057 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3059 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
3060 (cplus_demangle_opname): Call mop_up_squangle.
3061 (cplus_demangle): Initialize squangle info, then call
3062 internal_cplus_demangle. (Most code moved there as well)
3063 (internal_cplus_demangle): New function, performs most of what use
3064 to be done in cplus_demangle, but is only called with this file.
3065 (squangle_mop_up): New function to clean up B and K code data.
3066 (mop_up): set pointers to NULL after freeing.
3067 (demangle_signature, demangle_template, demangle_class): Add
3068 switch elements to handle K and B codes.
3069 (demangle_prefix, gnu_special, demangle_qualified): Add
3070 code to handle K and B codes.
3071 (do_type, demangle_fund_type): Handle B and K codes.
3072 (remember_Ktype): New function to store K info.
3073 (register_Btype, remember_Btype): New functions for B codes.
3074 (forget_B_and_K_types): New function to destroy B and K info.
3076 1998-04-21 Jim Wilson <wilson@cygnus.com>
3078 * stmt.c (check_seenlabel): When search for line number note for
3079 warning, handle case where there is no such note.
3081 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
3083 * genemit.c (gen_exp): Allow machine description to set mode of
3086 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
3088 * alias.c (mode_alias_check): New function.
3089 (true_dependence, anti_dependence, output_dependence): Call
3092 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
3094 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
3095 (MIPS_STACK_ALIGN): Similarly.
3097 * c-common.c (type_for_mode): Handle TI types.
3098 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
3099 (init_decl_processing): Handle TI types.
3100 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
3102 * mips.c (block_move_loop): Test Pmode == DImode instead of
3104 (expand_block_move, save_restore_insns): Likewise.
3105 (function_prologue, mips_expand_prologue): Likewise.
3106 (mips_expand_epilogue): Likewise.
3107 * mips.h (POINTER_SIZE): Allow specific targets to override.
3108 (Pmode): Allow specific targets to override.
3109 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
3110 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
3111 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3112 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
3113 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3114 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
3115 * mips.md (indirect, tablejump & casesi support): Test for
3116 Pmode == DImode instead of TARGET_MIPS64.
3117 (call patterns): Likewise.
3119 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
3122 for gen_rtx(MEM, ...).
3124 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
3126 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
3127 to not be so gross, and to properly function with PIC.
3129 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
3131 * frame.c (heapsort): Rename to frame_heapsort.
3133 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
3135 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
3137 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
3139 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
3141 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
3142 operands during and after reload.
3144 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3146 * final.c (shorten_branches, init_insn_lengths): Move code
3147 to free label_align, uid_shuid, insn_lengths, insn_addresses
3148 and uid_align from the former function into the latter one;
3149 Add code to clear these variables.
3150 * sh.h (label_align): Remove declaration.
3152 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
3154 * gcc.c (lang_specific_driver): Declare prototype properly so
3155 fatal can be passed to it without error.
3157 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
3158 * configure: Regenerate.
3159 * config.in: Add #undef's for strchr and strrchr.
3161 * protoize.c (toplevel): If we have rindex, but not strrchr, map
3163 (file_could_be_converted): Use strrchr, not rindex since rindex is
3164 not defined on Linux systems when _POSIX_SOURCE is defined.
3165 (file_normally_convertible): Ditto.
3166 (process_aux_info_file): Ditto.
3169 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
3170 a constant to an integer register, don't split the insns that do
3171 the simple AND and OR operations, rather just split each word, and
3172 let the normal movsi define split handle it further.
3174 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3176 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
3177 (split_branches): Call init_insn_lengths.
3179 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
3181 * i386.c: Include expr.h to get the change_address prototype
3184 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
3186 * reg-stack.c (subst_asm_stack_regs): Change to return the last
3187 new insn generated by this function.
3188 (subst_stack_regs): Likewise.
3189 (convert_regs): Record the last newly generated insn and use
3190 it for change_stack () instead of INSN.
3192 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
3194 * fix-header.c (enum special_file): Undefine enumerators if they
3195 are already defined by include files.
3196 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
3197 macro with '__' to not pollute user namespace.
3199 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
3201 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
3203 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
3205 * version.c: Bump for snapshot.
3207 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
3209 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
3211 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
3212 Add missing -Dpentium* options.
3213 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
3214 instead of CPP_CPU_DEFAULT.
3215 (EXTRA_SPECS): Add entry for cpp_cpu_default.
3217 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
3219 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
3220 negative in a stackless frame.
3221 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
3222 in stackless frame size. Support 64-bit stackless frame size.
3223 Combine fpmem offset calculations and don't add total_size to
3224 offset if not pushing a stack frame.
3226 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
3228 * regmove.c (fixup_match_1): In three places, in flag_exceptions
3229 check, change p to q.
3231 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
3233 * gcc.c (lang_specific_driver): Add new parm type to prototype.
3234 (added_libraries): New file scope static variable.
3235 (process_command): Initialize added_libraries. Pass it to
3236 lang_specific_driver.
3237 (main): Use added_libraries in check for no input files.
3239 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
3241 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
3242 code generation. Use 64 bit instructions in 32 bit mode when
3243 possible. Use V9 return instruction. UltraSPARC optimizations.
3245 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
3247 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
3249 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
3250 just pass zero. That will work regardless of the size of HARD_REG_SET.
3252 * libgcc2.c (__floatdisf): Fix a couple typos.
3254 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
3256 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
3258 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
3260 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
3262 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
3264 * emit-rtl.c (operand_subword_force): If a register can not be
3265 accessed by words, copy it to a pseudo register.
3267 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
3269 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
3271 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
3273 * tree.h (mark_seen_cases): Delete declaration.
3275 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
3277 * stmt.c (mark_seen_cases): Make static and add prototype.
3279 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3281 * frame.c: Include stdlib.h and unistd.h to possibly get various
3282 function prototypes. The fixproto script guarantees these header
3283 files exist on the target system.
3284 * libgcc2.c: Likewise.
3286 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
3287 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
3288 function parameters.
3289 * libgcc2.c (__udiv_w_sdiv): Likewise.
3291 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3293 * varasm.c (asm_output_bss): Add prototype.
3294 (asm_output_aligned_bss): Likewise.
3296 * unroll.c (verify_addresses): Add prototype.
3298 * toplev.c: Add many prototypes. Too many to mention here.
3300 * stmt.c (check_seenlabel): Add prototype.
3302 * rtlanal.c (reg_set_p_1): Add prototype.
3303 (reg_set_last_1): Likewise.
3305 * reorg.c (find_dead_or_set_registers): Add prototype.
3307 * regmove (try_auto_increment): Add prototype.
3309 * reg-stack.c (pop_stack): Add prototype.
3311 * recog.c (validate_replace_rtx_1): Add prototype.
3312 (find_cosntant_term_loc): Likewise.
3314 * loop.c (regs_patch_p): Add prototype.
3315 (add_label_notes, count_nonfixed_reads): Likewise.
3316 (find_single_use_in_loop): Likewise.
3317 (express_from): Surround prototype with #ifdef.
3318 (giv_sort): Similarly.
3320 * jump.c (mark_modified_reg): Add prototype.
3322 * haifa-sched.c (is_prisky): Add prototype.
3323 (queue_to_ready): Likewise.
3325 * genextract.c (gen_insn): Add prototype.
3327 * genemit.c (max_operand_1): Add prototype.
3328 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
3329 (gen_expand, gen_explit, output_add_clobbers): Likewise.
3330 (output_init_mov_optab): Likewise.
3332 * genattrtab.c (attr_hash_add_rtx): Add prototype.
3333 (attr_hash_add_string, write_length_unit_log): Likewise.
3335 * genattr.c (init_range): Add prototype.
3337 * combine.c (sets_function_arg_p): Add prototype.
3339 * expr.c (store_constructor_field): Add prototype.
3340 (get_memory_usage_from_modifier): Likewise
3342 * expmed.c (synth_mult): Add prototype.
3343 (choose_multiplier, invert_mod2n): Likewise.
3345 * except.c (push_eh_entry): Add prototype.
3346 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
3347 (call_get_eh_context, start_dynamic_cleanup): Likewise.
3348 (start_dynamic_handler, can_throw): Likewise.
3349 (output_exception_table_entry, scan_region): Likewise.
3350 (eh_regs, set_insn_eh_region): Likewise.
3352 * dwarfout.c (decl_class_context): Add prototype.
3353 (output_inheritance_die, type_ok_for_scope): Likewise.
3355 * c-lex.c (skip_white_space_on_line): Add prototype.
3357 * alias.c (record_set): Add prototype.
3358 (find_base_term, base_alias_check): Likewise.
3360 * function.c (assign_outer_stack_local): Make static and add prototype.
3362 * haifa-sched.c (build_control_flow): Accept raw data as inputs
3363 instead of computing it locally. Callers changed.
3364 (find_rgns): Several new arguments. Callers changed.
3365 Generally clean up and comment better. Use dominators to
3366 identify reducible loops. Convert some flag arrays to bitmaps.
3367 Convert most of the code to work on pred/succ lists instead of
3368 an edge table. Add comments for future improvements.
3369 (schedule_insns): Allocate temporary tables for flow data, call
3370 routines to compute flow data and pass it along to children as
3372 (debug_control_flow): Delete. Use dump_bb_data instead.
3374 * basic-block.h (compute_dominators): Declare.
3376 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
3378 * basic-block.h: Declare them.
3380 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3382 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
3385 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
3387 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
3388 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
3389 node is non NULL. Cache last file name and file name identifier node.
3391 1998-04-15 Mark Mitchell <mmitchell@usa.net>
3393 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
3394 the length of an array, not TREE_TYPE.
3396 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
3398 * flow.c (sbitmap_union_of_successors): New function.
3399 * basic-block.h (sbitmap_union_of_successors): Declare it.
3401 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
3403 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
3404 Set gnu_ld to gnu_ld_flag inside main loop.
3407 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
3409 * toplev.c (compile_file): Call init_parse using new interface.
3410 (init_lex): Remove declaration.
3412 * c-lex.c (init_parse): Now returns char* containing filename.
3414 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
3416 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
3418 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
3420 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
3421 (gen{extract,peep,opinit,output}): Ditto.
3423 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
3424 global definition so print-rtl.o can be linked in.
3425 * gen{peep,recog}.c (insn_attr_name): Ditto.
3427 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
3429 * fixincludes: discard empty C++ comments, as found in sys/time.h
3432 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3434 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
3437 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
3439 * emit-rtl.c (operand_subword): Rework slightly to avoid
3440 bogus warning from previous change.
3442 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
3444 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
3445 Nov 8 find_replacement change. Move decls of get_unaligned_address
3446 * alpha.h: ... here.
3448 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
3450 * function.c (assign_parms): Initialize unsignedp before passing
3451 its pointer to promote_mode.
3453 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
3454 (write_test_expr): Allow MATCH_INSN.
3456 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
3458 * install.texi: Update section on warnings that can be safely ignored.
3460 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
3462 * mips.md (reload_outdi): Change the scratch mode from DImode to
3463 TImode. New variable scratch, used instead of operand[2] in template.
3464 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
3466 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
3468 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
3470 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
3472 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
3474 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
3476 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
3477 (ASM_FINISH_DECLARE_OBJECT): Likewise.
3479 * Idea and part of the patch from HJ.
3480 * Makefile.in: auto-host.h renamed from auto-config.h. All references
3482 (distclean): Remove auto-build.h too.
3483 * configure.in: Rename host autoconf generated file to auto-host.h.
3484 If host != build, then run autoconf to generate auto-build.h for
3485 the build machine and include it in build_xm_files.
3486 Check for wait.h and sys/wait.h.
3488 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3489 TRULY_NOOP_TRUNCATION.
3491 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3493 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3495 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3497 * invoke.texi (ld options) Include memset requirements
3498 for options -nodstdlib and -nodefaultlibs.
3500 1998-04-12 Paul Eggert <eggert@twinsun.com>
3502 This change is from an idea suggested by Arthur David Olson.
3504 * c-common.c (decl_attributes, record_function_format,
3505 check_format_info, init_function_format_info):
3506 Add support for strftime format checking.
3507 (enum format_type): New type.
3508 (record_function_format): Now static, and takes value of type
3509 enum format_type instead of int.
3510 (time_char_table): New constant.
3511 (struct function_format_info): format_type member renamed from is_scan.
3512 (check_format_info): Use `warning' rather than sprintf followed by
3513 `warning', to avoid mishandling `%' in warnings.
3514 Change `pedwarn' to `warning', since these warnings do not necessarily
3515 mean the program does not conform to the C Standard, as the code
3516 need not be executed.
3518 * c-tree.h (record_function_format): Remove decl; no longer extern.
3520 * extend.texi: Add documentation for strftime format checking.
3522 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3524 * mips/ecoffl.h: Do not include mips.h.
3525 * mips/elf.h: Likewise.
3527 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3528 * mips/ecoff.h: Include "mips/mips.h".
3530 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3532 * version.c: Bump for snapshot.
3534 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3536 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3537 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3538 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3539 between loop optimization passes.
3540 * rtl.h: Updated appropriately.
3542 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3544 Reinstall this patch from Jason.
3545 * function.c (push_function_context_to): Don't call init_emit.
3547 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3549 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3550 encountering unterminated comments.
3552 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3554 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3557 * configure.in: Handle --with-fast-fixincludes.
3558 (fixincludes): If --with-fast-fixincludes, then use a different
3559 fixincludes program by default.
3560 * Makefile.in (fixinc.sh): New rule.
3562 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3564 * i386.md (movqi+1): Handle invalid QI register.
3565 (movsf_push-1): Likewise.
3567 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3569 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3571 symbolic_memort_operand(), call32_operand(), int8_operand(),
3572 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3574 uint16_operand(): Made static.
3576 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3578 * calls.c (expand_call): Fix typo.
3580 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3582 * c-lex.c (finput): New global.
3583 (init_parse): Always included. Handle !USE_CPPLIB using
3584 code originally in compile_file.
3585 (finish_parse): Update for CPPLIB.
3586 * toplev.c (init_parse, finish_parse): Declare.
3587 (finput): Delete variable. Now in front-ends.
3588 (compile_file): Remove code which is now handled by init_parse
3589 which is unconditionally called. Similarly for finish_parse.
3591 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3593 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3594 ASM_WEAKEN_LABEL): Add.
3596 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3598 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3599 * configure.in (alpha-*-linux*): Use them.
3601 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3603 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3604 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3605 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3606 (build_expr_wfl): New prototype declaration.
3607 * tree.c (build_expr_wfl): New function, to build
3608 EXPR_WITH_FILE_LOCATION nodes.
3609 (copy_node): Don't zero TREE_CHAIN if copying a
3610 EXPR_WITH_FILE_LOCATION node.
3611 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3612 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3614 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3616 * configure.in (v850): Use t-v850.
3617 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3619 * protoize.c (creat, read, write): Do not declare.
3621 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3622 refer to the CODE_LABEL before a dispatch table.
3624 * invoke.texi: Add ARC options.
3626 * gcc.c (proces_command): Improve error message for -o with
3629 * i386/x-cygwin32 (CLIB): Link in advapi32.
3631 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3632 (ASM_IDENTIFY_LANGUAGE): Likewise.
3634 * i386.md (movqi recognizer): Don't perfom byte increment into
3637 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3639 * i370.h: Fix typo in GEN_INT changes.
3641 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3642 of an empty arglist in prototype.
3644 * Makefile.in: Remove bytecode crud that crept back in after the
3647 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3649 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3650 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3652 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3654 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3656 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3658 * c-lex.c (is_class_name): Delete declaration.
3659 (whitespace_cr): Make static and add prototype.
3660 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3661 yylex, get_directive_line): Turn declarations into prototypes.
3662 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3663 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3665 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3667 * gencodes.c (gen_insn): Add prototype.
3668 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3669 gen_peephole): Add prototypes.
3670 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3672 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3673 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3674 genheader, gencode): Add prototypes.
3675 * genopinit.c (gen_insn): Add prototype.
3676 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3677 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3678 gen_expand, gen_split, n_occurrences): Add prototypes.
3679 * genpeep.c (gen_peephole): Add prototype.
3680 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3681 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3682 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3683 loop_reg_used_before_p, scan_loop, replace_call_address,
3684 skip_consec_insns, libcall_benefit, ignore_some_movables,
3685 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3686 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3687 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3688 simplify_giv_expr, general_induction_var, consec_sets_giv,
3689 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3690 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3691 last_use_this_basic_block, record_initial, update_reg_last_use,
3692 iteration_info, analyze_loop_iterations, insert_bct,
3693 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3696 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3698 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3700 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3702 * config/mips/mips.c (siginfo): Deleted.
3703 (override_options): Don't install SIGINFO signal handler.
3705 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3707 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3708 to verify it is non-negative.
3710 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3712 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3713 (alpha_expand_block_clear): Likewise.
3715 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3717 * tree.h (sizetype_tab): Fix previous change for K&R.
3719 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3721 * version.c: Bump for snapshot.
3723 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3725 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3726 Add USG and POSIX to xm_defines.
3728 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3730 * gcc.c: Add linker spec.
3731 (link_command_spec): Use %(linker) instead of ld.
3732 (main): If collect2 is requested as the linker, see if it exists;
3733 if not, use ld instead.
3735 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3737 (install-collect2): Install as collect2, not ld.
3739 * configure.in(will_use_collect2): It's named collect2 now.
3741 * collect2: Remove checks to see if we were invoked recursively.
3742 (collect_execute): Use _spawnvp under cygwin32.
3744 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3746 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3747 only predecessor is itself.
3749 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3751 * c-parse.in: Include system.h, and remove stuff now made redundant.
3754 * protoize.c: Likewise. Properly check for cpp stringification.
3756 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3759 * objc/Make-lang.in (objc-parse.o): Likewise.
3761 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3763 * gansidecl.h: Check if compiler supports __attribute__. Provide
3764 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3765 __attribute__ when its available. Also provide definitions for
3766 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3767 terms of ATTRIBUTE_PRINTF.
3769 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3772 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3774 * combine.c (can_combine_p): Include successor in volatile test.
3776 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3778 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3781 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3783 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3784 in prototype and definition.
3786 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3788 * version.c: Bump for snapshot.
3790 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3792 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3793 alpha_expand_unaligned_store_words.
3795 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3797 * i386.md (movsf_push, movsf_mem): Remove.
3798 (movsf_push): Rename from movsf_push_nomove and move in front of
3799 movsf. Use nonmemory_operand predicate and don't bother checking
3801 (movsf_push_memory): New pattern.
3802 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3803 both operands refer to memory then force operand[1] into a register.
3804 (movsf_normal): Change to unnamed pattern.
3805 Likewise for movdf, movxf, and friends.
3807 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3809 * version.c: Bump for snapshot.
3811 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3813 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
3815 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
3817 * configure.in (mips-wrs-vxworks): New target.
3819 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
3821 * expmed.c (synth_mult): The value -1, has no zeros, so it can
3822 never have the form ...011.
3824 * version.c: Bump for snapshot.
3826 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
3828 * i386.c (asm_output_function_prefix, load_pic_register):
3829 Use ASM_GENERATE_INTERNAL_LABEL properly.
3830 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
3831 (print_operand): Ignore it.
3832 (load_pic_register): Use it for the got load call.
3833 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
3834 (prologue_get_pc_and_set_got): Likewise.
3835 * i386.h: Update print_operand docs.
3837 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3839 * i386.md (ffssi, ffshi): Rewrite as define_expands.
3840 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
3841 * i386.c (notice_update_cc): Recognize unspec 5.
3843 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
3845 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
3846 * alpha.c (print_operand): Handle it.
3847 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
3849 (fix_truncdfdi2): Likewise.
3851 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
3853 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
3854 of these into a single struct, with additional [us]sizetype entries.
3855 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
3856 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
3859 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
3861 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
3863 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
3865 * haifa-sched.c (split_block_insns): Don't supress insn splitting
3866 on subsequent passes.
3868 * alpha.c (hard_fp_register_operand): New function.
3869 * alpha.h (PREDICATE_CODES): Add it.
3870 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
3871 f<-m case and accompanying define_split.
3872 (trapb): Use a unique unspec_volatile number.
3874 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
3876 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
3879 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
3881 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
3884 * haifa-sched.c: Mirror recent changes from gcc2.
3886 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
3888 * Makefile.in (insn*.o): Depend on system.h.
3890 * pa.c (output_global_address): Initialize base.
3891 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
3893 1998-04-03 Mike Stump <mrs@wrs.com>
3895 * gthr.h: Support systems that don't have weak, but have threads.
3896 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
3897 * gthr-vxworks.h: New file.
3898 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
3900 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
3902 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
3904 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
3906 * ginclude/va-i960.h (va_end): Change void * to void.
3908 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3910 * Makefile.in (choose-temp.o): Depend on system.h.
3912 * choose-temp.c: Include system.h when IN_GCC.
3914 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3915 Richard Henderson <rth@cygnus.com>
3917 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
3918 (move_replacements): New function.
3919 * reload.h: Prototype it.
3921 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
3923 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
3925 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
3928 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
3929 (gen_highpart): Likewise.
3930 * final.c (alter_subreg): Allow the target to hook by-mode subreg
3931 hard register number changes.
3933 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
3935 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
3936 rnbitsize, rnmode and rinner.
3937 (make_range): Initialize type.
3938 (fold): Initialize arg0, arg1 and varop.
3940 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
3942 (expand_function_start): Initialize last_ptr.
3944 * stor-layout.c (layout_record): Initialize desired_align.
3945 (get_best_mode): Initialize unit.
3947 * tree.c (copy_node): Initialize length.
3949 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
3951 * caller-save.c (insert_save_restore): Initialize pat, code and
3954 * emit-rtl.c (push_to_sequence): Initialize top.
3955 (push_topmost_sequence): Likewise.
3957 * genattrtab.c (simplify_by_exploding): Initialize defval.
3959 * profile.c (branch_prob): Initialize dest.
3961 * rtl.h (note_stores): Remove duplicate prototype.
3962 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
3964 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
3965 strings that are not actually lengths.
3967 * genattrtab.c: Make generated file use system.h, instead of
3968 including stdio.h, etc directly.
3969 * genextract.c, genopinit.c, genoutput.c: Likewise.
3970 * genpeep.c, genrecog.c: Likewise
3972 * genoutput.c (process_template): Mark operands in the generated
3973 function as potentially unused if compiling with GNU CC.
3975 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
3977 * pa.md (reload peepholes): Remove unused variable "mode".
3979 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
3981 * config/arm/thumb.h: Add super interworking support.
3982 * config/arm/thumb.c: Add super interworking support.
3983 * config/arm/thumb.md: Add super interworking support.
3984 * config/arm/lib1funcs.asm: Add interworking support.
3985 * config/arm/lib1thumb.asm: Add super interworking support.
3986 * config/arm/t-semi: Add interworking support.
3987 * config/arm/t-thumb: Add interworking support.
3988 * config/arm/README-interworking: New file.
3990 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
3992 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
3993 (MD_STARTFILE_PREFIX): Unset.
3995 1998-04-01 Mark Mitchell <mmitchell@usa.net>
3997 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
3998 entity in a local scope.
4000 * fold-const.c (fold): Call truthvalue_conversion for values which
4001 are folded to boolean type.
4003 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
4005 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
4006 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
4007 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
4008 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
4009 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
4010 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
4011 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
4012 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
4013 * md.texi: Likewise.
4015 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
4017 * fixincludes (limits.h): Fix nested comments in Motorola's
4018 limits.h and sys/limits.h.
4020 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
4022 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
4023 as dest of expand_binop call.
4025 * alpha.md (extzv): Correct check for valid operand[2] values.
4027 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
4030 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
4032 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
4034 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
4035 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
4037 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
4038 cygwin32 can override this to allow both unix and win32 style PATHs.
4040 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
4041 style environment paths.
4043 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4045 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
4046 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
4047 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
4050 * cpphash.c: Include config.h.
4051 * cppalloc.c: Include system.h. Add parameters to various
4052 function prototypes.
4053 * cpperror.c: Likewise.
4054 * cppexp.c: Likewise.
4055 * cpphash.c: Likewise.
4056 * cpplib.c: Likewise.
4057 * cppmain.c: Likewise.
4058 * fix-header.c: Likewise.
4060 * gen-protos.c: Likewise.
4061 * gengenrtl.c: Likewise.
4062 * halfpic.c: Likewise.
4064 * scan-decls.c: Likewise.
4067 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
4069 * README.gnat: Add lang_print_xnode definition.
4071 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4073 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
4074 fmovecr on the 68060.
4076 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
4078 * genemit.c (DONE): Rework so that it works in the true arm if
4079 an if-else conditional.
4082 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
4084 * rs6000.c: Do not include stdioh or ctype.h anymore.
4086 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
4088 (stor-layout.o): Likewise.
4089 * c-typeck.c: Include rtl.h and expr.h.
4090 * stor-layout.c: Likewise.
4092 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
4093 All callers changed.
4094 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
4095 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
4096 All callers changed.
4098 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
4100 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
4102 * tree.h (lang_print_xnode): Provide prototype.
4104 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
4106 * version.c: Bump for snapshot.
4108 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
4110 * objc/sendmsg.c (__objc_block_forward): Add braces for return
4111 value if INVISIBLE_STRUCT_RETURN.
4113 * pa.c (arith_double_operand): Fix parens.
4115 * haifa-sched.c (print_pattern): Correct arg to sprintf.
4117 * Makefile.in (libgcc1.null): Make return type for __foo void.
4119 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
4121 * pa.h: Add declarations for many functions defined in pa.c.
4123 * genpeep.c (main): Remove unused variable 'i' from the generated
4126 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
4127 (gen_split): Likewise.
4128 (main): Rework generated definitions of DONE and FAIL so that they
4129 no longer use gotos. Avoids warnings about unused labels.
4131 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
4132 unused "junk" variable.
4134 * genattrtab.c (write_complex_function): Add a default case in
4135 generated switch statement to keep -W -Wall quiet.
4137 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
4139 * invoke.texi: Document more ARM and Thumb command line options.
4141 * config/arm/xm-thumb.h: New file.
4143 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
4145 * stmt.c (expand_expr_stmt): Must generate code for
4146 statements within an expression (gcc's `({ ... )}')
4147 even if -fsyntax-only.
4149 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4150 Jeffrey A Law (law@cygnus.com)
4152 * basic-block.h (basic_block_computed_jump_target): Declare.
4153 * flags.h: (current_function_has_computed_jump): Declare.
4154 * flow.c: (basic_block_computed_jump_target): Define.
4155 (flow_analysis): Allocate it. Set current_function_has_computed_jump
4157 (find_basic_blocks): Set current_function_has_computed_jump and
4158 elements of basic_block_computed_jump_target to 1 as appropriate.
4159 * function.c: (current_function_has_computed_jump): Define.
4160 * global.c (global_conflicts): Don't allocate pseudos into stack regs
4161 at the start of a block that is reachable by a computed jump.
4162 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
4164 (subst_stack_regs): Undo change from Sep 4 1997.
4165 (uses_reg_or_mem): Now unused, deleted.
4166 * stupid.c (stupid_life_analysis): Compute
4167 current_function_has_computed_jump.
4168 (stupid_find_reg): Don't allocate stack regs if the function has a
4170 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
4171 the current function has a computed jump. Use the global value
4174 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
4176 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
4177 (DWARF2_UNWIND_INFO): Define to zero.
4179 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
4181 * gcc.c (set_std_prefix): Add declaration.
4182 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
4183 suffix, and update the standard prefix prefix.c uses.
4185 * prefix.c (std_prefix): New global to hold default prefix value.
4186 (get_key_value): Change to use std_prefix instead of PREFIX.
4187 (translate_name): Ditto.
4188 (update_path): Ditto.
4189 (get_key_value): Release allocated scratch storage.
4190 (set_std_prefix): New function to reset the standard prefix.
4192 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4194 * sh.c (find_barrier): Fix calculations for alignment increase.
4196 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
4198 * Makefile.in (stmp-fixinc): If we're actually fixing include
4199 files, copy gcc's assert.h into the fixed include dir.
4200 * fixincludes (assert.h): Avoid any attempts to fix a probably
4201 broken system specific assert.h file.
4202 * fixproto (stdlib.h): Make sure, it'll contain a definition of
4205 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
4207 * regclass.c (reg_scan_mark_refs): Be more selective about
4208 when we mark a register with REGNO_POINTER_FLAG.
4210 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4212 reload inheritance improvement:
4213 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
4214 Change meaning: index is now hard reg number.
4215 (reg_reloaded_valid, reg_reloaded_dead): New variables.
4216 (reload_spill_index): Content is now a hard reg number.
4217 (reload_as_needed): Change to fit new variable meaning.
4218 (forget_old_reloads_1, allocate_reload_reg): Likewise.
4219 (choose_reload_regs, emit_reload_insns): Likewise.
4221 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4223 * regclass.c (record_reg_classes): '?' increases cost by two.
4225 * reload.c (find_reloads): Double previous costs. Output
4226 reloads cost one unit extra.
4228 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
4229 boiled down to && ! 0.
4231 * reload.c (find_equiv_reg): Also consider a goal offset from the
4232 frame pointer to be constant.
4234 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4236 * sh.h (OPTIMIZATION_OPTIONS): Define.
4238 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
4240 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
4242 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
4244 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
4246 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
4248 * c-common.c (check_format_info): Initialize type, is_type. New local
4249 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
4250 when pedantic if used with integral format specifier.
4252 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
4254 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
4256 (function_arg_padding): Declare.
4258 * rs6000.c: Include system.h.
4259 (function_arg_padding): Change return type to int, cast enum's to
4262 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
4263 * collect2.c (scan_prog_file): Add explicit braces to avoid
4266 * dbxout.c (dbxout_type_fields): Add braces around empty body in
4268 (dbxout_type): Likewise.
4270 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
4271 `ptt_size' from int to size_t.
4272 (rs6000_file_start): Likewise for `i'.
4273 (rs6000_replace_regno): Add default case in enumeration switch.
4274 (output_epilog): Remove unused variable `i'.
4275 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
4278 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
4280 (get_issue_rate, non_logical_cint_operand): Add prototype.
4281 (rs6000_output_load_toc_table): Ditto.
4283 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
4286 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
4288 * config/arm/thumb.c: New File. Support for ARM's Thumb
4290 * config/arm/thumb.h: New File. Thumb definitions.
4291 * config/arm/thumb.md: New File. Thumb machine description.
4292 * config/arm/tcoff.h: New File. Thumb COFF support.
4293 * config/arm/t-thumb: New File. Thumb makefile fragment.
4294 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
4296 * configure.in: Add Thumb-coff target.
4297 * configure: Add Thumb-coff target.
4298 * config.sub: Add Thumb-coff target.
4300 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
4302 * loop.c (scan_loop): Initialize move_insn_first to zero.
4304 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
4306 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
4307 * config/i386/rtems.h: Likewise.
4308 * config/i960/rtems.h: Likewise.
4309 * config/m68k/rtems.h: Likewise.
4310 * config/mips/rtems64.h: Likewise.
4311 * config/pa/rtems.h: Likewise.
4312 * config/rs6000/rtems.h: Likewise.
4313 * config/sh/rtems.h: Likewise.
4314 * config/sparc/rtems.h: Likewise.
4316 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4318 * pa.c (emit_move_sequence): If in reload, call find_replacement.
4320 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
4322 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
4324 * collect2.c (find_a_file): Add debugging.
4325 (find_a_file): Test for win32 style absolute paths if
4326 DIR_SERPARATOR is defined.
4327 (prefix_from_string): Add debugging.
4328 (main): Test for debug command line switch at start of program
4330 (main): Use GET_ENVIRONMENT rather than getenv().
4331 (prefix_from_env): Use GET_ENVIRONMENT.
4333 1998-03-24 Mark Mitchell <mmitchell@usa.net>
4335 * cplus-dem.c (optable): Add sizeof.
4336 (demangle_template_value_parm): New function containing code
4337 previously found in demangle_template.
4338 (demangle_integral_value): New function which handles complicated
4339 integral expressions.
4340 (demangle_template): Use them.
4342 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4344 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4345 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
4346 genattrtab.o, genoutput.o): Depend on system.h.
4348 * genattr.c: Include system.h. Add arguments to various function
4349 prototypes. Remove redundant prototype of read_rtx().
4350 * genattrtab.c: Likewise.
4351 * gencodes.c: Likewise.
4352 * genconfig.c: Likewise.
4353 * genemit.c: Likewise.
4354 * genextract.c: Likewise.
4355 * genflags.c: Likewise.
4356 * genopinit.c: Likewise.
4357 * genoutput.c: Likewise.
4358 * genpeep.c: Likewise.
4359 * genrecog.c: Likewise.
4361 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
4363 * c-lang.c (lang_print_xnode): New function.
4364 * objc/objc-act.c (lang_print_xnode): Likewise.
4365 * print-tree.c (print_node): Call it
4367 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
4369 * c-parse.in: Recognize protocol qualifiers in class
4370 definitions for objc.
4372 (yyerror): Remove redundant decl.
4373 (yyprint): Fix prototype.
4375 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
4377 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
4379 * stmt.c (unroll_block_trees): Free block_vector if needed.
4381 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
4383 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
4384 (zero_extendsidi2): Avoid useless copy.
4385 (iordi_zext): New pattern.
4386 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
4388 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
4390 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
4391 (ashldi3): Allow constant shift count in range ]32,63].
4392 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
4394 1998-03-22 Mark Mitchell <mmitchell@usa.net>
4396 * tree.h (IS_EXPR_CODE_CLASS): New macro.
4398 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
4400 * h8300.h (CONST_COSTS): Remove definition.
4401 (DEFAULT_RTX_COSTS): Define.
4403 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
4405 * config/sh/rtems.h: Switched from ELF to COFF.
4407 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4409 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
4411 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
4413 * version.c: Bump for snapshot.
4415 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
4416 Geoff Noer <noer@cygnus.com>
4418 * Makefile.in: Various fixes for building cygwin32 native toolchains.
4420 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
4421 * objc/Make-lang.in: Likewise.
4423 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
4425 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
4427 * configure.in: Handle with-PACKAGE=no correctly
4429 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4431 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
4432 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
4433 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
4434 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
4435 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
4436 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
4437 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
4438 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
4439 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
4440 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
4443 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
4444 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
4445 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
4446 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
4447 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
4448 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
4449 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
4450 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
4451 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
4452 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
4453 xcoffout.c: Include system.h. Organize include ordering so
4454 that stdarg/varargs comes before other system headers. Remove
4455 spurious casts of functions assured of a prototype in system.h.
4457 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
4459 * reg-stack.c (pop_stack): Define. Pops any register on the
4460 regstack and adjusts regstack.
4461 (compare_for_stack_reg): Use pop_stack.
4463 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
4465 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
4468 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
4470 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
4472 * fold-const.c (fold): Replace sign-extension of a zero extended
4473 value by a single zero extension.
4475 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
4477 * except.c (init_eh): Do nothing.
4478 (save_eh_status): Call init_eh_for_function, not init_eh.
4479 * function.c (push_function_context_to): Don't call init_emit.
4481 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
4483 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
4486 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4488 * final.c (shorten_branches): Add parentheses around +/- in
4491 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4493 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4495 * regclass.c (memory_move_secondary_cost): Wrap uses of
4496 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4499 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4501 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4503 * flow.c (life_analysis): #include <sys/types.h> to make sure
4505 * cplus-dem.c (demangle_function_name): Likewise.
4507 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4509 * final.c (insn_noperands): Change type to unsigned int.
4510 (final_scan_insn): Likewise for noperands;
4511 properly check operand number boundaries.
4513 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4515 * alpha.md (extzv): Don't reject register operands. Fix
4518 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4520 * dbxout.c (dbxout_function_end): Fix last change. The correct
4521 predicate is ASM_OUTPUT_SECTION_NAME.
4523 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4525 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4526 (ashlsi): Use match_dup 1 instead of match_operand 2.
4528 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4530 * fold-const.c (operand_equal_for_comparison_p): See if equal
4531 when nop conversions are removed.
4533 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4535 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4536 don't use ORIGINAL_TARGET unless REG.
4538 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4540 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4542 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4544 * loop.c (struct movable): New field move_insn_first.
4545 (scan_loop): In consec sets code, set it. Clear it otherwise.
4546 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4547 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4550 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4552 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4553 is large, and the system doesn't provide atoll or atoq.
4556 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4557 Reported by Klaus Kaempf <kkaempf@progis.de>.
4559 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4561 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4562 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4564 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4565 test !ACCUMULATE_OUTGOING_ARGS.
4567 * collect2.c (write_c_file_glob): Wrap function definition in
4568 macro test !LD_INIT_SWITCH.
4570 * combine.c (try_combine): Wrap variables `cc_use' and
4571 `compare_mode' in macro test EXTRA_CC_MODES.
4573 * cpplib.c (do_ident): Remove unused variable `len'.
4574 (skip_if_group): Remove unused variables `at_beg_of_line' and
4576 (cpp_get_token): Remove unused variable `dummy'.
4578 * dbxout.c (scope_labelno): Move static variable definition inside
4579 the one function scope where it is used.
4580 (dbxout_function_end): Wrap prototype and definition in
4581 macro test !NO_DBX_FUNCTION_END.
4583 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4584 in macro test !MIPS_DEBUGGING_INFO.
4586 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4587 into the scope where it is used. Wrap empty else-statement body
4590 * fix-header.c: Fix typo in comment.
4591 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4592 (check_protection, main): Likewise.
4594 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4596 * function.c (contains): Wrap prototype and definition in macro
4597 test HAVE_prologue || HAVE_epilogue.
4598 (fixup_var_refs_1): Remove unused variable `width'.
4600 * gen-protos.c (main): Remove unused variable `optr'.
4602 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4604 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4605 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4606 (__throw): Remove unused variable `val'.
4608 * protoize.c: Check for a previously existing definition before
4609 defining *_OK macros.
4611 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4613 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4615 * vax.h (ADDR_VEC_ALIGN): Define.
4617 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4619 * gcc.c (default_arg): Don't wander off the end of allocated
4622 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4623 * rs6000.c (small_data_operand): Ensure that any address
4624 referenced relative to the small data area is inside the SDA.
4626 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4628 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4630 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4632 * except.h (in_same_eh_region): New prototype.
4633 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4634 * except.c (insn_eh_region, maximum_uid): New static variables.
4635 (set_insn_eh_region): New static function to set region numbers.
4636 (free_insn_eh_region): New function to free EH region table.
4637 (init_insn_eh_region): New function to initialize EH region table.
4638 (in_same_eh_region): New function used to determine if two rtl
4639 instructions are in the same exception region or not.
4640 * final.c (final): Initialize the table indicating which instructions
4641 belong in which exception region.
4642 * genpeep.c (main): Add "except.h" to include file list in generated
4644 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4645 peepholes involving calls and unconditional branches.
4647 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4649 * README.gnat: New file.
4651 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4653 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4654 "recog.h" for offsettable_memref_p.
4655 (legitimize_pic_address): Remove unused variable `offset'.
4656 (notice_update_cc): Change return type to void. Add default label
4658 (standard_68881_constant_p): Remove unused variable mode.
4659 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4660 (const_int_cost): Explicitly declare as returning int.
4661 (output_dbcc_and_branch): Change return type to void.
4663 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4664 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4665 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4667 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4669 * version.c: Bump for snapshot.
4671 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4673 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4674 check for 'M' constraint.
4676 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4678 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4681 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4683 * i386.c (ix86_logical_operator): New function.
4684 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4686 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4689 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 Richard Earnshaw <rearnsha@arm.com>
4691 Nick Clifton <nickc@cygnus.com>
4693 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4695 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4697 * cse.c (rtx_cost): Provide a default case in an enumeration
4698 switch, and call DEFAULT_RTX_COSTS if it's defined.
4700 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4702 * basic-block.h (compute_preds_succs): Change return type in
4704 * flow.c (compute_preds_succs): Likewise in function definition.
4706 * regmove.c (find_matches): Cast char used as array index to unsigned char
4709 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4711 * i386.h (RTX_COSTS): Insert braces around nested if.
4712 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4715 * gcc.c (default_compilers): Properly put brackets around array elements in
4718 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4721 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4722 (record_reg_life_pat): Add explicit parens around && and || in expression.
4723 (stack_reg_life_analysis): Add parens around assignment used as expression.
4724 (convert_regs): Likewise.
4726 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4728 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4729 change callers accordingly.
4731 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4732 and definition; change all callers accordingly.
4734 * except.c (init_eh): Avoid assignment of unused return value of
4735 build_pointer_type; cast it to void, instead, and remove unused
4738 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4739 LANG_SPECIFIC_DRIVER.
4740 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4742 * genoutput.c (output_epilogue): Initialize next_name to 0.
4744 * real.c (efrexp): #if 0 prototype and function definition.
4745 (eremain): Likewise.
4752 * reload.c (push_secondary_reload): Define prototype only
4753 #ifdef HAVE_SECONDARY_RELOADS.
4755 * varasm.c (assemble_static_space): Define rounded only
4756 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4758 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4760 * i386.md (andsi): Add default case in enumeration switch.
4765 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4767 * c-decl (finish_struct): Change type of min_align to unsigned.
4769 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4770 remove unused variable len.
4772 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4773 comment indicating this is proper behaviour.
4774 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4776 (based_loc_descr): Likewise.
4778 * enquire.c (bitpattern): Change type of variable i to unsigned.
4780 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4782 * flow.c (life_analysis): Change type of variable i to size_t;
4783 remove unused variable insn.
4785 * gcc.c (translate_options): Change type of variables optlen, arglen and
4787 (input_filename_length): Change type to size_t.
4788 (do_spec_1): Change type of variable bufsize to size_t.
4789 (main): Change type of variables i and j to size_t;
4790 remove subblock local definition of variable i.
4791 (lookup_compiler): Change type of second argument to size_t;
4792 change type of variable i to size_t.
4794 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4796 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4798 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4800 * global.c (global_alloc): Change type of variable i to size_t.
4802 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4804 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4805 (expand_end_case): Change type of variable count to size_t.
4807 * toplev.c (main): Change type of variable j to size_t.
4808 (set_target_switch): Change type of variable j to size_t.
4809 (print_switch_values): Change type of variable j to size_t;
4810 remove unused variable flags.
4812 * varasm.c (assemble_variable): Change type of variable align to size_t.
4813 (const_hash_rtx): Change type of variable i to size_t.
4815 1998-03-11 Mark Mitchell <mmitchell@usa.net>
4817 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
4818 TREE_VEC if that's what it really is.
4820 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
4822 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
4825 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
4827 * gthr.h: Changed the comment about return values.
4828 * gthr-solaris.h (__gthread_once): Do not use errno; return the
4829 error number instead of -1.
4830 (__gthread_key_create): Any non-zero return value is an error.
4831 * libgcc2.c (eh_context_initialize): Check for non-zero return
4832 value from __gthread_once.
4833 Check that the value of get_eh_context was really changed.
4835 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4837 * sh.h (LOOP_ALIGN): Only align when optimizing.
4838 * sh.c (find_barrier): Clear inc for CODE_LABELs.
4839 When not optimizing, calculate alignment for BARRIERs directly.
4841 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4843 * final.c (shorten_branches): Remove conditionalizing on
4844 SHORTEN_WITH_ADJUST_INSN_LENGTH
4845 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
4847 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
4849 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
4850 an unconditional jump around deleted blocks.
4852 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
4854 * profile.c (branch_prob): If see computed goto, call fatal instead of
4857 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
4859 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
4860 Patch from Bruno Haible.
4862 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
4863 (assign_parms): Set aggregate if hide_last_arg and last_named.
4865 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4867 * final.c (shorten_branches): Initialize insn_addresses.
4869 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4871 * sh.h (MUST_PASS_IN_STACK): Define.
4873 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
4875 * final.c (shorten_branches): Fix minor logic error in
4876 ADDR_DIFF_VEC shortening support.
4878 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
4880 * version.c: Bump for snapshot.
4882 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
4884 * haifa-sched.c (is_cfg_nonregular): Change return type to
4885 an int. No longer compute "estimated" number of edges. Use
4886 computed_jump_p instead of duplicating the code. Fixup/add
4888 (build_control_flow): Returns a value indicating an irregularity
4889 in the cfg was detected. Count the number of edges in the cfg.
4890 allocate various edge tables.
4891 (find_rgns): No longer look for unreachable blocks.
4892 (schedule_insns): Do not allocate memory for edge tables here.
4893 Free memory for edge tables before returning. Do not perform
4894 cross block scheduling if build_control_flow returns nonzero.
4895 * flow.c (compute_preds_succs): More accurately determine when
4898 * basic-block.h (free_basic_block_vargs): Provide prototype.
4900 * cccp.c (main): Fix dumb mistakes in last change.
4902 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4904 * rtl.h (addr_diff_vec_flags): New typedef.
4905 (union rtunion_def): New member rt_addr_diff_vec_flags.
4906 (ADDR_DIFF_VEC_FLAGS): New macro.
4908 * sh.c (output_branch): Fix offset overflow problems.
4910 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
4911 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
4912 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
4913 * stmt.c (expand_end_case): Supply new arguments to
4914 gen_rtx_ADDR_DIFF_VEC.
4915 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
4916 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
4917 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
4918 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
4919 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
4920 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
4921 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
4922 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
4923 * i386/freebsd.h, i386/linux.h : Likewise.
4924 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
4925 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
4926 * m68k/mot3300.h, m68k/sgs.h : Likewise.
4927 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
4928 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
4929 (CASE_VECTOR_SHORTEN_MODE): Define.
4930 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
4931 (med_branch_p, braf_branch_p): Don't declare.
4932 (mdep_reorg_phase, barrier_align): Declare.
4933 (ADJUST_INSN_LENGTH): Remove alignment handling.
4934 * sh.c (uid_align, uid_align_max): Deleted.
4935 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
4936 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
4937 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
4938 (output_far_jump): Don't use braf_branch_p.
4939 (output_branchy_insn): Don't use branch_offset.
4940 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
4941 Remove paired barrier stuff.
4942 Don't use cache_align_p.
4943 Take alignment insns into account.
4944 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
4946 (barrier_align, branch_dest): New function.
4947 (machine_dependent_reorg, split_branches): Remove infrastructure
4948 for branch shortening that is now provided in the backend.
4949 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
4950 (braf_branch_p, braf_cbranch_p): Likewise.
4951 (attribute length): Use new attributes.
4952 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
4953 (addr_diff_vec_adjust): Delete.
4954 (align_2): Now a define_expand.
4955 (align_log): Now length 0.
4957 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
4959 * m32r.md (right): Correctly check for length == 2, not 1.
4961 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4963 * mips/mips.h: Prototype `machine_dependent_reorg'.
4964 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
4966 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4968 * final.c (shorten_branches): Restore accidentally removed code.
4970 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4972 * configure.in: Remove duplicate uses of AC_PROG_CC and
4975 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
4977 * configure.in (target_cpu_default2): Correct typo for alphapca56.
4979 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
4980 Doug Evans (devans@cygnus.com)
4982 * haifa-sched.c (build_jmp_edges): Delete dead function.
4983 (build_control_flow): Use cfg routines from flow.c
4984 (schedule_insns): Remove debugging code accidentally checked
4987 * basic-block.h: Add external integer list structures, typdefs,
4988 accessor macros and function declarations. Simlarly for
4989 basic block pred/succ support and simple bitmap stuff.
4990 * flow.c: Add functions for integer list, basic block pred/succ
4991 support and simple bitmap support.
4992 (compute_dominators): New function to compute dominators and
4994 (find_basic_blocks): Split into two functions.
4995 (life_analysis): Likewise.
4996 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
4997 the life_analysis from toplev.c
4998 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
4999 life_analysis instead of flow_analysis.
5001 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5003 * jump.c (jump_optimize): Call mark_jump_label also for deleted
5005 (mark_jump_label): Don't increment ref counts for deleted insns.
5007 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5009 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
5011 * mips/mips.c: Include stdlib.h and unistd.h.
5012 (mips_asm_file_end): Add braces around empty body in an if-statement.
5013 (function_prologue): Wrap variable `fnname' in
5014 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
5015 (mips_select_rtx_section, mips_select_section): Declare as void.
5017 * mips/mips.h: Add prototypes for extern functions in mips.c.
5018 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
5019 (ENCODE_SECTION_INFO): Add braces around empty body in an
5022 * mips/mips.md (movdi): Add parentheses around && within ||.
5023 (movsf, movdf): Likewise.
5024 (branch_zero, branch_zero_di): Add default case in
5028 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
5030 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
5031 real constants, since they can't be changed.
5032 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5033 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
5034 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5035 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5036 * alpha/vms.h (TARGET_OPEN_VMS): New.
5037 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
5039 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
5041 * reload.c (find_reloads): Always force (subreg (mem)) to be
5042 reloaded if WORD_REGISTER_OPERATIONS.
5044 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
5046 * haifa-sched.c (free_list): Rename from free_pnd_lst.
5047 (free_pending_lists): Rename free_pnd_lst uses.
5048 (remove_dependence): Place expunged element on unused_insn_list.
5049 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
5050 gen_rtx_*_LIST and alloc_rtx to use them.
5051 (compute_block_backward_dependences): Free the reg_last_* lists.
5053 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
5055 * cccp.c (main): Avoid undefined behavior when setting pend_includes
5058 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5060 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
5061 USE_GNULIBC_1 is defined
5062 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
5063 includes the t-linux-gnulibc1 fragment
5065 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
5067 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
5069 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5071 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
5073 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5075 * final.c (shorten_branches): Tag the loop alignment onto the
5076 first label after NOTE_INSN_LOOP_BEG even if there is an
5079 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5081 * final.c (insn_current_reference_address):
5082 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
5083 proper alignment chain.
5085 * final.c (max_labelno): New static variable.
5086 (final_scan_insn): Check max_labelno before outputting an
5087 alignment for a label.
5088 (shorten_branches): Remove unused variable length_align.
5090 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5092 * sparc.c (ultrasparc_adjust_cost): Add default case in
5095 * sparc.h: Add prototypes for extern functions defined in
5098 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
5100 * toplev.c: Only generate <name>.dbr file when dumping RTL if
5101 DEALY_SLOTS is defined.
5103 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
5105 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
5106 in call to fill_slots_from_thread.
5108 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
5110 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
5111 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
5113 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5115 * final.c (insn_last_address, insn_current_align, uid_align):
5117 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
5118 (insn_current_reference_address): Likewise.
5119 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
5120 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
5121 (label_to_alignment): New function.
5122 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
5123 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
5124 insn_current_reference_address instead of insn_current_address.
5125 (or_attr_value, write_length_unit_log): New functions.
5126 (main): Call write_length_unit_log.
5127 (write_const_num_delay_slots): Output extra '\n'.
5128 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
5130 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
5131 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
5132 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
5134 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
5135 (LABEL_ALIGN_AFTER_BARRIER).
5136 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
5137 * ns32k/tek6000.h: Likewise.
5138 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
5139 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
5140 ASM_OUTPUT_ALIGN_CODE.
5142 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
5144 * version.c: Bump for snapshot.
5146 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
5148 * version.c: Bump for snapshot.
5150 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5152 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
5153 if condition code of jump conflicts with opposite_needed.
5155 * reorg.c (fill_slots_from_thread): Mark resources referenced in
5156 opposite_needed thread. Return delay_list even when cannot get
5157 any more delay insns from end of subroutine.
5159 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
5161 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
5162 All callers changed.
5164 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5166 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
5167 end_fde_sort): New functions for fast sorting of an FDE array.
5168 (fde_insert): Simplified.
5169 (add_fdes): Change argument list.
5170 (frame_init): Use the new functions.
5172 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
5174 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
5176 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
5178 * fold-const.c (fold_range_test): Always return a value.
5180 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
5182 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
5183 data in the text section unless READONLY_DATA_SECTION is defined.
5185 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
5187 * c-parse.in (undeclared variable error): Tweak error message to
5190 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
5192 * version.c: Bump for snapshot.
5194 1998-02-28 Mark Mitchell <mmitchell@usa.net>
5196 * final.c (final_scan_insn): Undo overzealous removal of `set'.
5198 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5200 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
5201 case, add parentheses to specify the proper order of precedence in
5205 * c-aux-info.c: Include string.h/strings.h.
5207 * pa.c: Include stdlib.h.
5208 (pa_combine_instructions): Prototype the function.
5209 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
5210 (reloc_needed): Add default case for enumeration switch.
5211 (remove_useless_addtr_insns): Remove unused variable `all'.
5212 (hppa_expand_prologue): Add explicit braces to avoid
5214 (output_function_epilogue): Remove unused variable `i'.
5215 (output_millicode_call): Remove unused variable `link'.
5216 (shadd_constant_p, forward_branch_p): Make the function static.
5217 (following_call): Explicitly declare to return int.
5218 (pa_reorg): Declare as void.
5219 (pa_combine_instructions): Declare as static void. Add
5220 parentheses around && within ||.
5222 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
5223 following_call, function_label_operand, lhs_lshift_cint_operand
5226 * pa.md: Add parentheses around && within ||.
5228 * cppalloc.c: Include stdlib.h.
5230 * cpperror.c (cpp_print_containing_files): Remove unused variable
5231 `i'. Fix format specifier in fprintf.
5233 * cse.c (cse_around_loop): Add explicit braces to avoid
5235 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
5237 * expr.c (expand_expr): Add parentheses around && within ||.
5239 * final.c (app_enable): Replace fprintf with fputs where there are
5240 no format specifiers and no trailing argument after the string.
5241 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
5242 (app_disable): Likewise.
5243 (final_end_function): Likewise.
5244 (final_scan_insn): Likewise. Remove unused variable `set'.
5245 (profile_function): Wrap empty if-statement body in {} brackets.
5247 * function.c: Include stdlib.h.
5248 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
5249 (reposition_prologue_and_epilogue_notes): Add parentheses
5250 around assignment used as truth value.
5252 * integrate.c (expand_inline_function): Wrap variable
5253 `cc0_insn' in macro HAVE_cc0.
5255 * jump.c (jump_optimize): Wrap variable `q' in macro
5256 HAVE_cc0. Remove unused variable `prev1'.
5258 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
5259 within ||. Fix format specifier in fprintf.
5260 (__bb_init_prg): Add parentheses around assignment used as
5263 * local-alloc.c: Include stdlib.h.
5264 (requires_inout): Add parentheses around assignment used
5267 * loop.c (analyze_loop_iterations): Wrap prototype and definition
5268 in macro HAVE_decrement_and_branch_on_count.
5269 (insert_bct, instrument_loop_bct): Likewise.
5270 (move_movables): Add parentheses around assignment used as
5272 (consec_sets_invariant_p): Likewise.
5273 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
5275 * objc/objc-act.c: Include stdlib.h.
5276 (lookup_method_in_protocol_list): Wrap empty else-statement body
5278 (lookup_protocol_in_reflist): Likewise.
5279 (objc_add_static_instance): Remove unused variables `decl_expr'
5281 (get_objc_string_decl): Remove unused variable `decl'.
5282 (generate_static_references): Remove unused variables `idecl' and
5284 (check_protocols): Wrap empty else-statement body in braces.
5286 * protoize.c: Include stdlib.h.
5287 (substr): Add parentheses around assignment used as truth value.
5288 (abspath): Likewise.
5289 (shortpath): Likewise.
5291 * regmove.c (fixup_match_1): Add parentheses around assignment
5292 used as truth value.
5294 * reload.c (push_secondary_reload): Remove unused variable `i'.
5295 (find_reloads): Add parentheses around assignment used as truth
5298 * reload1.c: Include stdlib.h.
5300 * rtl.h: Correct typo in prototype of offsettable_memref_p.
5302 * stmt.c (add_case_node): Add parentheses around assignment used
5304 (case_tree2list): Likewise.
5306 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
5307 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
5308 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
5309 (merge_attributes): Add explicit braces to avoid ambiguous
5312 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
5315 * varasm.c: Include stdlib.h.
5318 * system.h: Remove sys/stat.h.
5319 * gcc.c: Add sys/stat.h.
5321 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
5322 * genattrtab.c: Likewise.
5323 * genconfig.c: Likewise.
5324 * genemit.c: Likewise.
5325 * genextract.c: Likewise.
5326 * genflags.c: Likewise.
5327 * genopinit.c: Likewise.
5328 * genoutput.c: Likewise.
5329 * genpeep.c: Likewise.
5330 * genrecog.c: Likewise.
5331 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
5333 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5335 * invoke.texi: Use @itemx for a secondary item in a @table.
5337 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
5340 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
5342 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
5344 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
5346 * i386.c (struct machine_function): Add new fields for PIC stuff.
5347 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
5349 (restore_386_machine_status): Corresponding changes.
5350 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
5352 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
5354 * c-parse.y (undeclared variable error): Tweak error message
5357 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
5359 * flags.h (g_switch_value, g_switch_set): Declare.
5360 * alpha.c (override_options): Set g_switch_value=8 if not set.
5361 * alpha/elf.h (CC1_SPEC): New.
5363 (LINK_SPEC): Pass along the -G value we were given.
5364 (LOCAL_ASM_OP): Remove.
5365 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
5366 (MAX_OFILE_ALIGNMENT): New.
5367 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
5368 (EXTRA_SECTIONS): Add sbss and sdata.
5369 (SECTION_FUNCTION_TEMPLATE): New.
5370 (EXTRA_SECTION_FUNCTIONS): Use it.
5371 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5372 (SELECT_SECTION): Use sdata when small enough.
5373 * alpha/linux.h (ASM_SPEC): Remove.
5376 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5377 * config.sub (sco5): Fix typo.
5379 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
5381 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
5383 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
5384 * config/alpha/t-linux: Remove file.
5385 * config/sparc/t-linux: Remove file.
5386 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
5387 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
5388 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
5390 (alpha*-*-linux-gnu*): Likewise.
5391 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
5392 (sparc-*-linux-gnu*): Likewise.
5394 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
5395 * collect2.c (ldd_file_name): Bracket declaration with same
5397 (full_real_ld_suffix): Deleted. Variable was calloced and
5398 written into, but never read.
5400 1998-02-23 Mike Stump <mrs@wrs.com>
5402 * configure.in: Add support for i386-wrs-vxworks configuration.
5403 * i386/vxi386.h: New file.
5405 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5407 * tree.c (contains_placeholder_p): Ensure function always returns
5409 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
5410 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
5412 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
5414 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
5416 1998-02-22 Paul Eggert <eggert@twinsun.com>
5418 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
5419 Define this new symbol.
5420 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
5421 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
5422 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
5424 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
5426 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
5427 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
5429 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
5431 * objc/Object.m (-error): Call objc_verror with our va_list.
5433 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * collect2.c (scan_prog_file): Completely cover uses of variable
5436 `exports' with macro COLLECT_EXPORT_LIST.
5438 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
5440 * version.c: Bump for snapshot.
5442 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
5444 * sched.c (schedule_block): Remove code to get arguments from hard
5445 regs into pseudos early. Same as Aug 25, 1997 change to
5448 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
5450 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
5452 1998-02-16 Mark Mitchell <mmitchell@usa.net>
5454 * toplev.c (rest_of_compilation): Do not defer the output of a
5457 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
5459 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
5460 continuation character (line 243).
5462 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5464 * genrecog.c (main): Remove duplicated sentence in emitted comment.
5466 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
5467 David Edelsohn <edelsohn@mhpcc.edu>
5469 * collect2.c (XCOFF_SCAN_LIBS): Remove.
5470 (export_flag): New variable.
5471 (export_file): #ifdef COLLECT_EXPORT_LIST.
5472 (import_file, exports, imports, undefined): New variables.
5473 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
5474 (dump_list, dump_prefix_list, is_in_list): New functions.
5475 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
5476 (write_import_file, resolve_lib_name): New functions.
5477 (use_import_list, ignore_library): Same.
5478 (collect_exit): maybe_unlink import_file and #ifdef.
5480 (main): New variable importf, #ifdef exportf. Move parsing of
5481 -shared before general argument parsing. Resolve AIX library
5482 paths and import libgcc.a symbols. Treat .so shared libraries the
5483 same as objects and .a libraries. Create alias for object_lst and
5484 increment it instead of original pointer. Scan AIX libraries as
5485 objects earlier instead of using scan_libraries. Perform AIX
5486 tlink later to resolve templates instead of forking ld.
5487 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5488 (GCC_UNDEF_SYMBOL): New macro.
5489 (scan_prog_file): Loop for members of AIX libraries. Handle
5490 export/import of ctors/dtors.
5491 (aix_std_libs): New variable.
5492 (scan_libraries, XCOFF): Delete.
5494 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5496 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5498 1998-02-19 Mike Stump <mrs@wrs.com>
5500 * Makefile.in: Use $tooldir for sys-include to match toplevel
5503 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5504 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5506 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5508 * emit-rtl.c (hard-reg-set.h): Include.
5509 (get_lowpart_common): Don't make new REG for hard reg in a
5510 class that cannot change size.
5511 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5513 * combine.c: Revert previous patch.
5515 1998-02-19 Paul Eggert <eggert@twinsun.com>
5517 * config/sparc/sol2-sld.h: New file.
5518 * configure.in (sparc-*-solaris2*): Use it when using the
5521 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5523 * loop.c (force_movables): Fix typo.
5525 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5527 * m88k.h: Change file pattern to match reality.
5529 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5531 * varasm.c (output_constant_pool): Fix dumb thinko in last
5534 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5535 a function name to a section name.
5537 1998-02-18 Doug Evans <devans@cygnus.com>
5539 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5540 (split_specs_attrs, strip_attrs): Add prototypes.
5541 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5542 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5543 Update olddecl's attributes too.
5544 * c-common.c (strip_attrs): New function.
5545 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5546 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5547 (make_decl_rtl): Likewise.
5549 1998-02-18 Jim Wilson <wilson@cygnus.com>
5551 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5553 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5555 Remove this change until we can fix it correctly.
5556 * collect2.c: Bracket declaration of 'exportf' and
5557 'full_real_ld_suffix'.
5559 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5561 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5563 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5565 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5566 c_expand_start_else): Don't warn about non-ambiguous else even if
5569 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5571 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5572 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5575 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5577 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5578 simplifying a subreg of a hard reg.
5579 (expand_compound_operation): Likewise.
5580 (force_to_mode): Likewise.
5582 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5584 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5585 (lshift_double): Add parentheses around + or - inside shift.
5586 (rshift_double): Likewise.
5587 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5589 * Makefile.in (fold-const.o): Depend on system.h.
5591 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5594 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5595 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5596 (sched_note_set): Remove unused parameter `b', all callers changed.
5597 (schedule_block): Likewise for `rgn'.
5598 (split_hard_reg_notes): Likewise for `orig_insn'.
5599 (check_live): Likewise for `trg'.
5600 (update_live): Likewise.
5601 (check_live_1): Explcitly declare variable `i' as int.
5602 (update_live_1): Likewise.
5603 (insn_issue_delay): Remove unused variable `link'.
5604 (sched_analyze_2): Add default case in enumeration switch.
5605 (schedule_insns): Remove unused variable `i'.
5607 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5609 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5611 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5612 a dangling else clause.
5614 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5616 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5617 pointer for the stack pointer in MIPS16 and 64BIT.
5619 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5621 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5622 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5624 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5625 (expand_start_case): Adjust to this change.
5626 (check_seenlabel): New function.
5627 (pushcase, pushcase_range, expand_endcase): Use it.
5629 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5631 * i386.md (adddi3): Add =!r,0,0,X alternative.
5633 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5635 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5636 * x-aix31 (INSTALL): Delete.
5638 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5640 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5641 tsize changes to something other than zero.
5643 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5645 * ginclude/va-mips.h: Replace casts of pointers to int with
5646 casts of pointers to __PTRDIFF_TYPE__.
5648 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5650 * loop.c (strength_reduce, record_biv, record_giv): Use
5651 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5653 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5655 * tree.c (first_rtl_op): New fn.
5656 (unsave_expr_now): Use it.
5657 * print-tree.c (print_node): Likewise.
5658 * tree.c (has_cleanups): New fn.
5659 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5660 conservative about pushing the cleanup point down.
5661 * tree.h: Declare them.
5663 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5665 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5666 (flag_schedule_reverse_after_reload): Likewise.
5667 (f_options): Remove reverse scheduling support.
5668 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5669 (flag_schedule_reverse_after_reload): Likewise.
5670 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5673 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5675 * gcc.c: Get system includes, prototypes and macros via "system.h"
5676 instead of doing it manually. Change all calls of the ctype
5677 macros to custom versions defined in "system.h".
5679 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5680 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5681 Add a prototype for getenv.
5683 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5685 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5687 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5689 * alias.c: Include <stdlib.h> and <string.h>.
5690 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5692 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5694 * version.c: Bump for snapshot.
5696 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5698 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5700 (movdfcc): Only accept fpu_add_operand for operands[3].
5702 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5703 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5705 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5707 * varasm.c (output_constant_pool): Bring back 'done' label inside
5708 an appropriate #ifdef.
5710 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5712 (bitmap_copy, bitmap_operation): Likewise.
5713 * combine.c (combinable_i3pat): Similarly for 'src'.
5714 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5715 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5716 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5717 * reload.c (make_memloc): Simliarly for 'i'.
5718 (find_reloads_address_1): Similarly for 'link'.
5719 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5720 (emit_reload_insns): Similarly for 'second_reloadreg'.
5721 * unroll.c (iteration_info): Similarly for 'v'.
5723 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5724 * calls.c (expand_call): Similarly for 'i'.
5725 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5726 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5727 * function.c (fixup_var_refs_1): Similarly for 'width'.
5728 (fixup_memory_subreg): Similarly for 'saved'.
5729 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5730 (setjmp_protect): Similarly for 'sub'.
5731 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5732 * loop.c (record_giv): Similarly for 'p'.
5733 (combine_givs): Similarly for 'temp_iv'.
5734 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5735 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5736 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5737 * unroll.c (unroll_loop): Similarly for 'copy'.
5738 (iteration_info): Similarly for 'b'.
5739 * varasm.c (assemble_string): Similarly for 'i'.
5740 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5742 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5744 * c-lang.c (lang_print_xnode): New function.
5745 * objc/objc-act.c (lang_print_xnode): Likewise.
5746 * print-tree.c (print_node): Call it
5748 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5750 * dwarf2out.c (decl_scope_node): New type.
5751 (decl_scope_table): Change type to use it.
5752 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5753 (push_decl_scope): Use new type. New locals containing_scope, i.
5754 Add code to handle setting previous field.
5755 (scope_die_for): Change type of local i to int. Add code to use
5757 (dwarf2out_init): Use new type.
5759 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5761 * except.c (emit_throw): Lose throw_used.
5763 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5765 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5767 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5769 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5771 * genextract.c (main): Fix typo.
5773 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5775 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5778 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5779 'old_stack_arg_under_construction'
5780 (emit_library_call): Bracket declaration of 'upper_bound',
5781 'lower_bound', 'i', 'reg_parm_stack_space'
5782 (emit_library_call_value): Likewise.
5785 * collect2.c: include <unistd.h> when appropriate.
5786 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5788 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5790 * explow.c (plus_constant_for_output_wide): Remove unused variable
5792 (memory_address): Remove unused variable 'orig_x'.
5794 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5795 (write_const_num_delay_slots): Remove unused variable 'i'.
5797 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5798 (gen_insn): Remove unused variable 'obstack_ptr'.
5800 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5802 (__bb_exit_trace_func): Remove unused variable 'e'.
5804 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5806 (expand_unop): Remove unused variable 'funexp'.
5807 (expand_complex_abs): Remove unused variable 'funexp'.
5808 (init_optabs): Bracket declaration of 'j'.
5809 (init_complex_libfuncs): Deleted. Dead static function.
5811 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5813 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5814 (reg_to_stack): 'initialized', 'before_function_beg'
5815 explictly type as ints instead of defaulting.
5816 (emit_swap_insn): Remove unused variable 'i2'.
5817 (compare_for_stack_reg): Remove unused variable 'src_note'.
5819 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
5821 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
5823 * stmt.c (add_case_node): Add parens for assignment used as truth.
5824 (all_cases_count): Remove unused variable 'count_high'.
5825 (mark_seen_cases): Remove unused variable 'i'.
5826 (check_for_full_enumeration_handling): Remove unused variable 't'.
5827 Bracket declaration of 'all_values', 'l'.
5829 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
5831 * varasm.c (assemble_string): Remove unused variable 'i'.
5832 (immed_double_const): Remove unused variable 'in_current_obstack'.
5833 (immed_real_const_1): Likewise.
5834 (output_constant_pool): Remove unreferenced label 'done'.
5835 (output_constant): Remove unused variable 'x'.
5837 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
5840 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
5843 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5845 * combine.c (can_combine_p): Handle USEs in PARALLELs.
5847 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
5849 * config/linux.h (LIB_SPEC): Add -lc for -shared if
5850 USE_GNULIBC_1 is not defined.
5851 * config/sparc/linux.h; Ditto.
5853 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
5855 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
5856 USE_GNULIBC_1 is not defined.
5858 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5860 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
5863 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5865 * system.h: New file to get common systems includes and various
5866 definitions and declarations based on autoconf macros.
5868 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
5870 * cccp.c (new_include_prefix): Correctly handle -I./.
5872 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
5874 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
5876 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
5878 * expr.c (expand_assignment): Correct typo exposed by -Wall.
5879 offset should have been a truth value, not an assignment.
5881 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
5883 * cse.c (delete_dead_from_cse): If a libcall produces a constant
5884 result and that result can be substituted into SET_SRC of the
5885 insn with the REG_RETVAL note, then perform the substitution
5886 and delete the libcall.
5888 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
5890 * mips.md (trucndihi2,truncdiqi2): Change these to support
5893 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
5895 * mips/mips.c (movdi_operand): Direct referances to symbols
5896 that arn't mips16 consts in mips16 mode arn't valid operands.
5898 * mips/mips.c (mips_move_2words): Add gprel handling.
5900 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
5902 * mips.md (extendsidi2): Allow extension to/from a non-mips16
5905 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
5907 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
5910 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5912 * Makefile.in (WARN_CFLAGS): New variable.
5913 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
5915 1998-02-11 Mark Mitchell <mmitchell@usa.net>
5917 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
5918 falling through default case in switch.
5919 (i386_aligned_p): Likewise.
5921 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
5923 * mips/mips.h (mips_abi_string): Correct typo in comment.
5925 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
5927 * mips/mips.md (movdi): These PLUS's need to be Pmode.
5929 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5931 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
5932 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
5933 indirectly via expr.h.
5935 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
5937 * stor-layout.c (layout_type): Do upper - lower in the native type,
5938 so as to properly handle negative indices.
5940 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
5942 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
5943 (expand_eh_region_start_tree): Remove unused variable 'note'.
5944 (exception_optimize): Remove unused variable 'regions'.
5945 (expand_builtin_eh_stub): Remove unused variable 'temp'.
5946 (copy_eh_entry): Deleted. Dead function.
5948 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
5949 'last' with same #if HAVE_load_multiple as use of it.
5950 (move_block_from_reg): Likewise.
5951 (emit_move_insn_1): Remove unused variable 'insns'.
5952 (store_constructor): Bracket declaration of startb, endb with
5953 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
5954 'target', and 'xtarget'.
5955 (expand_builtin_setjmp): Remove unused variables 'op0',
5956 'next_arg_reg', 'old_inhibit_defer_pop'.
5957 (expand_builtin): Remove unused variable 'offset'.
5958 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
5959 (emit_queue): Add parens for assignment used as conditional.
5960 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
5962 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
5964 * i386.c: Added include for recog.h.
5965 (override_options): Removed unused variable p. Initialized regno to
5967 (order_regs_for_local_alloc): Initialized regno to avoid warning.
5968 (legitimize_address): Likewise for 'other'.
5969 (i386_aligned_reg_p): Added default case with abort ().
5970 (print_operand): Likewise.
5971 (reg_mentioned_in_mem): Likewise.
5972 (ix86_expand_binary_operator): Removed unused variables i & insn.
5973 (ix86_expand_unary_operator): Removed unused variable insn.
5974 (output_fp_cc0_set): Removed unused variable unordered_label.
5976 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
5978 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
5979 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
5980 and format string match.
5982 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
5984 * flow.c (life_analysis): Do not conside the stack pointer live at
5985 the end of a function if the fucntio ncalls alloca.
5986 (mark_used_regs): Similarly.
5988 1998-02-10 John F Carr <jfc@mit.edu>
5990 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
5991 1, fzero on alternative 8.
5993 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5995 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
5997 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5999 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
6000 SUBREGs of CONST_INTs.
6002 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
6004 * mips.c (print_operand, function_prologue): Make printf format
6005 match argument type.
6007 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6009 * alpha.c (alpha_return_addr): Remove unused variable `first'.
6010 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
6011 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
6013 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6015 * loop.c (strength_reduce): When placing increment for auto-inc
6016 case, do comparison in loop order.
6018 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
6020 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
6021 not a HOST_WIDE_INT.
6023 * calls.c (expand_call): Change test of expand_inline_function
6024 return value to stop compiler warning.
6026 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
6028 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
6029 Jeff Law (law@cygnus.com)
6031 * regmove.c: Fix various minor formatting problems.
6032 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
6033 is true. Make end of basic block tests consistent through regmove.c.
6034 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
6035 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
6037 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6039 * gansidecl.h: Check for a conflicting macro definition before
6040 attempting to prototype bcopy, bcmp or bzero.
6042 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
6044 * expr.c (clear_pending_stack_adjust): Handle case where a function
6045 calls alloca, but the user has specified -fomit-fframe-pointer.
6047 * function.c (assign_parms): Fix typo in last change.
6049 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
6051 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
6053 (free_path_suffix): Remove unreferenced static function.
6054 (process_command): Remove unused variable temp.
6055 (default_arg): Remove unused variable i.
6056 (do_spec_1): Add parens for assignment used as truth value.
6058 (validate_all_switches): Likewise.
6059 (main): Remove unused variables i, first_time>
6061 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
6063 * calls.c (expand_call): Remove unused variables funtree,
6064 n_regs, and tmpmode.
6066 * dbxout.c, except.c: Include <string.h>/<strings.h>.
6068 * explow.c: (plus_constant_for_output_wide) Removed unused
6069 variable all_constant.
6071 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
6072 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
6073 genrecog.c, global.c, integrate.c , stupid.c : Include
6076 * genextract.c: (walk_rtx) Remove unused variable link.
6078 * genrecog.c: (concat) Remove unreferenced static function.
6080 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
6082 * stmt.c: Include <stdlib.h>.
6083 (expand_asm_operands): Remove unused variable val1.
6084 (expand_return): Remove unused variable block.
6085 (pushcase): Remove unused variables l and n.
6086 (pushcaserange): Likewise.
6088 * unroll.c (unroll_loop): Remove unused variable temp.
6090 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
6092 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
6094 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6096 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
6097 functions for whether they support the %p format specifier.
6098 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
6099 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
6100 * configure, config.in: Rebuild.
6102 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
6104 * function.c (assign_parms): New variable named_arg, with value
6105 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
6107 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
6109 * mips/t-r3900: New - same as t-ecoff but eliminate
6110 multilibs: mips1 and mips3.
6111 * configure.in (tx39*): Use new mips/t-r3900.
6112 * configure: Rebuild.
6113 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
6115 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
6117 * dwarf2out.c: Add old_args_size.
6118 (dwarf2out_args_size): Use it.
6119 (dwarf2out_begin_prologue): Initialize it.
6120 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
6121 pushed args until we see a call.
6122 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
6123 before outputting them.
6125 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
6127 * cplus-dem.c (demangle_template_template_parm): New function.
6128 (demangle_template): Handle template template parameters.
6130 1998-02-02 Mark Mitchell <mmitchell@usa.net>
6132 * calls.c (expand_call): Don't confuse member functions named
6133 realloc, setjmp, and so forth with the standard library
6134 functions of the same names.
6136 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
6138 * stmt.c (expand_asm_operands): Correctly identify asm statements
6141 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6143 * c-common.c (decl_attributes): Flag unrecognized attribute
6144 functions as warnings instead of as errors.
6146 1998-02-05 Marc Lehmann <pcg@goof.com>
6148 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
6149 when -Os is specified.
6150 * toplev.c (main): Don't disable flag_inline_functions anymore when
6153 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6155 * regmove.c: Update.
6156 * flags.h (flag_regmove): Declare.
6157 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
6158 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
6159 Moved into regmove; changed caller.
6160 * toplev.c (rest_of_compilation): Call regmove_optimize also for
6161 expensive_optimizations.
6163 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
6165 * version.c: Bump for snapshot.
6167 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6168 Undo this change (the problem was actually in reload):
6169 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6171 * sh.md (movqi_i+1): New peephole.
6173 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
6175 * jump.c (jump_optimize): Lose calls to modified_in_p they are
6176 not needed anymore due to changes elsewhere in jump.c.
6178 * jump.c (jump_optimize): Fix first arg to modified_in_p in
6181 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
6183 * expr.c (expand_builtin_setjmp): Accept two new arguments for
6184 the labels to branch to on first and subsequent executions. Don't
6185 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
6186 and provide it with the jmp_buf. Use only one of
6187 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
6188 and provide the former with the target label.
6189 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
6190 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
6191 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
6192 insn to replace all of the normal nonlocal_goto code. Don't play
6193 with __dummy. Correct arguments to nonlocal_goto.
6194 * expr.h (expand_builtin_setjmp): Update prototype.
6195 * except.c (start_dynamic_handler): When using builtin_setjmp,
6196 generate more accurate flow information.
6198 * alpha.md (nonlocal_goto_receiver_osf): Delete.
6199 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
6200 (builtin_longjmp, builtin_setjmp_receiver): New.
6201 * sparc.md (update_return): Disambiguate unspec number.
6202 (nonlocal_goto): Rearrange arguments to match caller in except.c.
6203 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
6205 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
6206 (builtin_setjmp_setup*, builtin_longjmp): New.
6208 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
6210 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
6212 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
6214 * vmsconfig.com: Remove bytecode references.
6216 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6218 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
6219 -fno-sjlj-exceptions works for a target that defines
6220 DWARF2_UNWIND_INFO as zero.
6222 * regmove.c (fixup_match_1): Undo last change which removed some
6223 "useless" code, and add a comment explaining this.
6225 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
6227 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
6230 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
6232 * makefile.vms: Remove bytecode references.
6233 Create genrtl files.
6235 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
6237 * jump.c (jump_optimize): Allow conditional loading of floating point
6238 constants and constants from memory. Reinstalled modified_in_p tests.
6240 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6242 * loop.c (get_condition): Handle sign-extended constants.
6244 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
6246 * expr.c (emit_push_insn): Add code to use movstrti if present.
6248 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
6249 and movstrqi as in emit_block_move ().
6251 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6253 * config/m68k/x-next: Remove /NextDeveloper/Headers from
6254 the directories to fixinclude - /usr/include is a link
6255 to it and hence its contents are fixed by default.
6257 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6259 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
6261 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
6263 * cccp.c (main): Predefine __VMS_VER on VMS.
6265 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6267 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
6268 * fold-const.c (size_int): Replace with
6270 (make_bit_field_ref): Use bitsize_int for bit position.
6271 * stor-layout.c (sizetype): Delete.
6272 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
6273 (layout_record, layout_union, layout_type):
6274 Use bitsize_int for bit size.
6275 (set_sizetype): New function.
6276 (make_signed_type, make_unsigned_type): Use it.
6277 * c-decl.c (init_decl_processing): Likewise.
6278 * tree.h (size_int): Don't delcare, #define.
6279 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
6280 (set_sizetype): Declare.
6281 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
6283 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
6284 Convert result to sizetype.
6285 (really_start_incremental_init, push_init_level):
6286 Set type of constructor_bit_index to sbitsizetype.
6287 (push_init_level): Use unsigned arithmetic to determine padding.
6288 (output_init_element): Likewise.
6290 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
6292 * combine.c (simplify_shift_const): Fix typo in last change.
6294 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
6296 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
6297 is (truncate (lshiftrt)).
6299 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
6301 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
6302 Make sure result winds up in TGT.
6303 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
6304 src to be other than DImode.
6305 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
6306 (alpha_expand_unaligned_store_words): Likewise.
6307 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
6308 that source and destination are separately optimized for alignment.
6309 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
6311 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
6313 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
6314 with handling of -32768.
6316 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6318 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
6319 shell variable argument instead of only hard coded functions.
6320 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
6322 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
6323 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
6324 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
6325 declarations for bcopy, bcmp and bzero.
6327 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
6329 * gansidecl.h: If we have bcopy but don't declare it, then do so.
6330 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
6331 bzero, index and rindex if they aren't already present.
6333 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
6335 * toplev.c (close_dump_file): Wrap function prototype for
6336 argument "func" in PROTO.
6337 (dump_rtl): Likewise.
6339 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
6341 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
6343 (output_function_epilogue): Omit epilogue if nothing drops through.
6344 (output_move_double): Supress int ldd usage on ultrasparc and v9.
6345 (registers_ok_for_ldd_peep): Likewise.
6346 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
6347 (ultrasparc_adjust_cost): New function.
6348 (sparc_issue_rate): New function.
6349 * sparc.h (MASK_VIS, TARGET_VIS): New
6350 (MASK_V8PLUS, TARGET_V8PLUS): New.
6351 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
6352 (TARGET_SWITCHES): Add vis and v8plus.
6353 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
6354 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
6355 (RTX_COSTS): Use TARGET_HARD_MUL
6356 (ADJUST_COST): Call ultrasparc_adjust_cost.
6358 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
6359 of load & fp appropritely.
6360 (supersparc function units): Adjust for Haifa.
6361 (ultrasparc function units): Likewise.
6362 (get_pc_via_rdpc): All v9, not just arch64.
6363 (movdi_v8plus, movdi_v8plus+1): New.
6364 (adddi3_sp32+1): New.
6365 (subdi3_sp32+1): New.
6366 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
6367 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
6368 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
6369 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
6370 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
6371 (ldd peepholes): Suppress for v9.
6372 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
6373 (return_subsi): Revmove.
6375 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
6377 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
6378 save/restore MEM rtl.
6380 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
6382 * configure.in: Check for declaration of abort.
6383 * acconfig.h: Corresponding changes.
6384 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
6387 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
6389 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
6392 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
6394 * version.c: Bump for snapshot.
6396 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
6398 * configure.in: Check for atoq and atoll.
6399 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
6400 proper routine for converting ascii into long long values.
6402 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
6404 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
6406 * vmsconfig.com: Remove bytecode references.
6408 * alpha/vms.h (PREFIX): Define.
6410 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6412 * am-alpha.h: Don't include alloca for OPEN_VMS.
6414 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
6416 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
6417 (GCC_INCLUDE_DIR): Define
6419 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
6420 * makefile.vms: New file.
6422 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
6424 * alpha.c (output_prolog): Output '.name' directive
6425 for minimal traceback information.
6427 * alpha.c (output_prolog): Don't prepend entry point symbols
6428 with '$' on OPEN_VMS.
6430 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
6431 Jeffrey A Law (law@cygnus.com)
6433 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
6436 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
6438 * genemit.c (gen_exp): Likewise.
6439 * genpeep.c (match_rtx): Likewise.
6440 * genrecog.c (write_tree_1): Likewise.
6442 * c-lex.c (yyprint): Use proper format string based upon
6443 disposition of HOST_BITS_PER_WIDE_INT.
6444 (yylex): Put casts in right place for args to build_int_2.
6446 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
6448 * combine.c: Fix typos in Jan27 changes.
6450 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
6452 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
6453 (LINK_SPEC): Likewise.
6454 (STARTFILE_SPEC): Likewise.
6456 1998-01-28 Mike Stump <mrs@wrs.com>
6458 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
6460 * genattrtab.c (reload_completed): Define.
6462 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
6465 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6467 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6468 SUBREG_REG if the word count is unchanged, also in the input reload
6469 case. Disable non-applicable sanity checks.
6471 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
6473 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
6475 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
6477 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
6479 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
6481 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
6482 is a TREE_VEC before trying to use it for baseclasses.
6483 (Chill uses the same field for a different purpose.)
6485 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6487 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6489 * config.sub: More accurate determination of HP processor types.
6491 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6493 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6494 prototype for `handle_sysv_pragma', and make it static. Add
6495 parentheses around assignment used as truth value.
6497 * combine.c (combine_instructions): Protect variable `prev' with
6499 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6500 (extract_left_shift): Add parentheses around operand of &.
6501 (merge_outer_ops): Avoid an empty body in an else-statement.
6502 (gen_rtx_combine): Remove unused variable `i'.
6504 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6505 function monstartup `void'. Likewise for internal_mcount. Add
6506 `static void' prototype for moncontrol. Reconcile sprintf format
6509 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6510 Make return type of function_arg_slotno explicitly `int'.
6511 (reg_unused_after): Add parentheses around assignment used as
6513 (save_regs): Add explicit braces to avoid ambiguous `else'.
6514 (function_arg_slotno): Add parentheses around && within ||.
6515 (function_arg_pass_by_reference): Likewise.
6516 (sparc_flat_output_function_prologue): Reconcile fprintf format
6519 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6520 assignment used as truth value.
6522 * cplus-dem.c: Include <stdlib.h>.
6523 (demangle_signature): Avoid an empty body in an else-statement.
6524 (do_type): Remove unused variable `lvl'.
6526 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6527 Include <string.h>/<strings.h>.
6528 (cpp_lex): Remove unused variable `namelen'.
6529 (cpp_lex): Explicitly declare `num_chars' as an int.
6531 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6532 <unistd.h> instead. Explicitly declare is_system_include
6534 (make_assertion): Remove unused variable `kt'.
6535 (cpp_expand_to_buffer): Hide variable `obuf'.
6536 (output_line_command): Remove unused variables, `line_end',
6537 `line_cmd_buf' and `len'.
6538 (macarg): Remove unused variable `arg_start'.
6539 (special_symbol): Remove unused variable `i'. Add parentheses
6540 around assignment used as truth value.
6541 (do_include): Remove unused variables `pcfname' and `retried',
6542 hide `pcf' and `pcfbuflimit'.
6543 (do_line): Remove unused variable `i'.
6544 (finclude): Hide variable `missing_newline'.
6545 (cpp_handle_options): Remove unused variable `j'.
6546 (read_token_list): Remove unused variable `eofp'.
6547 (cpp_error_with_line): Remove unused variable `i'.
6548 (cpp_warning_with_line): Likewise.
6549 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6550 (cpp_error_from_errno): Remove unused variable `i'.
6552 * cse.c (invalidate): Add parentheses around assignment used as
6554 (find_best_addr): Move declaration of variable `our_cost' inside
6555 the conditional macro where its used.
6556 (fold_rtx): Avoid an empty body in an if-statement.
6557 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6558 `this_insn_cc0' in macro HAVE_cc0.
6560 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6561 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6562 (output_uleb128): Likewise.
6563 (output_sleb128): Likewise.
6564 (output_cfi): Likewise.
6565 (output_call_frame_info): Remove unused variables `j', `fde_size'
6567 (comp_unit_has_inlines): Hide declaration as per rest of file.
6568 (size_of_line_prolog): Correct typo in prototype.
6569 (add_arange): Likewise.
6570 (output_aranges): Likewise.
6571 (add_name_and_src_coords_attributes): Likewise.
6572 (gen_array_type_die): Likewise.
6573 (gen_inlined_subroutine_die): Likewise.
6574 (equate_decl_number_to_die): Remove unused variable `i'.
6575 (print_die): Reconcile format vs. args in fprintf's.
6576 (print_dwarf_line_table): Likewise.
6577 (output_die): Likewise.
6578 (output_line_info): Likewise.
6579 (add_subscript_info): Avoid an empty body in an else-statement.
6580 (gen_subprogram_die): Remove unused variable `fp_loc'.
6582 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6583 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6584 macro. Protect `src_coords_attribute' prototype with
6585 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6586 prototype as in the rest of the file. Likewise for
6587 `output_pointer_type_die' and `output_reference_type_die'. Remove
6588 prototype for `type_of_for_scope'.
6589 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6590 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6592 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6593 (shorten_branches): Protect declaration of tmp_length with
6594 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6595 (profile_function): Protect declaration of `sval' and `cxt'
6596 variables with appropriate macros.
6597 (final_scan_insn): Likewise for `note' variable. Add explicit
6598 braces to avoid empty body in an if-statement.
6599 (output_asm_insn): Move variable `i' inside macro conditional
6600 where it is used. Add parentheses around assignment used as truth
6602 (asm_fprintf) Likewise, likewise.
6604 * fix-header.c (main): Remove unused variable `done'. Protect
6605 declaration of `i' with FIXPROTO_IGNORE_LIST.
6607 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6609 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6612 * profile.c: Include <string.h>/<strings.h>.
6613 (instrument_arcs): Remove unused variables `note', `inverted',
6614 `zero' and `neg_one'.
6615 (branch_prob): Avoid empty body in an if-statement.
6617 * regclass.c: Include <stdlib.h>.
6618 (reg_alternate_class): Explicitly declare parameter `regno'.
6620 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6621 parentheses around assignment used as truth value.
6622 (find_matches): Remove unused variables `output_operand' and
6624 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6626 * scan.c (sstring_append): Explicitly declare `count' as int.
6627 (scan_string): Explicitly declare parameter `init' as int.
6629 * sched.c: Include <stdlib.h>.
6630 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6631 (rank_for_schedule): Add parentheses around assignment used as
6633 (schedule_block): Likewise.
6634 (regno_use_in): Likewise.
6635 (schedule_insns): Remove unused variable `i'.
6637 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6638 (v_message_with_decl): Remove unused variable `n'.
6639 (botch): Explicitly declare parameter `s' as char *.
6640 (main): Add parentheses around assignment used as truth value.
6642 * tree.c (make_node): Protect the variable `kind' with the
6643 GATHER_STATISTICS macro.
6644 (real_value_from_int_cst): Move variable `e' inside conditional
6645 macro area where it is used.
6646 (tree_last): Add parentheses around assignment used as truth value.
6647 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6649 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6650 Protect variables `i', `total_nodes', and `total_bytes' with the
6651 GATHER_STATISTICS macro.
6653 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6655 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6656 some comments regarding use of dead_or_set_p.
6658 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6660 * fixincludes: Tweak fix for struct exception in math.h
6662 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6664 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6665 Change mode of registers used to add/sub from
6666 hard_frame_pointer_rtx from word_mode to Pmode.
6668 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6670 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6671 asm_output_aligned_bss() instead of asm_output_bss().
6673 * toplev.c (rest_of_compilation): Replace references to
6674 stack_reg_dump_file and dbr_sched_dump_file with references to
6677 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6679 * tlink.c (scan_linker_output): Call fclose() for opened files.
6681 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6683 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6684 compiling with -fpic -- we want to be able to override symbols
6686 (alpha_expand_block_move): Fix thinko in last change.
6688 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6689 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6690 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6692 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6694 * alpha.md (abssf, absdf): Revert last change.
6696 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6698 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6699 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6701 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6703 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6704 a CONST_INT into SFmode.
6706 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6708 * flags.h: New flag (optimize_size).
6709 * toplev.c (main): Parse -Os option and set optimize_space
6711 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6712 __OPTIMIZE_SIZE__ when compiling with -Os.
6713 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6714 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6715 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6717 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6719 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6721 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6722 stuff only if MCT_TEXT is #define'd.
6724 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6726 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6729 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6731 * toplev.c: Add -dM command line option to dump RTL after the
6732 machine dependent reorganisation pass, if there is one.
6733 Reorganise RTL dump code, so that only one file handle is
6736 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6738 * except.c (check_exception_handler_labels): Disable warning when
6741 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6743 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6745 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6747 * c-decl.c (grokdeclarator): Get parameter tags from
6748 last_function_parm_tags.
6749 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6750 traversing the parameter types.
6751 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6753 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6755 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6757 (get_shift_alg): Fix typo.
6759 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6761 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6763 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6765 * toplev.c (get_run_time): Make sure each case gets its variables.
6767 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6769 * configure.in (build_xm_file): Add auto-config.h if host=build.
6770 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6771 (build_xm_file_list): Likewise.
6772 * configure: Rebuild.
6774 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6776 * recog.c (validate_replace_rtx_1): Only perform substitutions
6777 of arguments to commutative and comparison operators once.
6779 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6781 * sparc.c (output_cbranch): Add default case in
6784 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6785 (emit_delay_sequence): Eliminate unused parameter, all callers
6787 (fill_simple_delay_slots): Likewise.
6788 (fill_slots_from_thread): Likewise.
6789 (fill_eager_delay_slots): Likewise.
6790 (mark_referenced_resources): Add default case in enumeration switch.
6791 (mark_set_resources): Likewise.
6792 (rare_destination): Likewise.
6793 (mostly_true_jump): Likewise.
6794 (find_dead_or_set_registers): Likewise.
6795 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6796 (update_reg_unused_notes): Remove unused variable `p'.
6797 (mark_target_live_regs): Remove unused variables `next' and
6799 (fill_simple_delay_slots): Remove unused variable `j'.
6800 (fill_slots_from_thread): Add parentheses around assignment used
6802 (dbr_schedule): Likewise.
6804 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6805 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6807 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6809 * cse.c (simplify_ternary_operation): Don't try to simplify
6810 IF_THEN_ELSE expressions (created by combine) that don't use
6811 relational operators.
6813 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
6815 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
6818 * crtstuff.c (init_dummy): Keep the epilogue in the init
6819 section for non-ELF systems.
6821 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6823 * sh.md (movqi_i+1): New peephole.
6825 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
6827 * Makefile.in: Remove remaining bytecode stuff.
6828 * emit-rtl.c, expr.c: Likewise.
6830 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
6832 * toplev.c (lang_options): Add unknown-pragma options.
6834 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
6836 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
6837 special (and incomplete) handling for Chill arrays.
6839 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
6841 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
6844 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
6846 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
6848 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
6850 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
6851 .frame directive instead of FRAME_POINTER_REGNUM.
6853 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
6855 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
6856 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
6857 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
6858 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
6859 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
6860 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
6861 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6862 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6864 * longlong.h: Replace __mc68332__ with __mcpu32__.
6866 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
6868 * version.c: Bump for snapshot.
6870 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
6872 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
6873 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
6874 * reload1.c (eliminate_regs): Likewise.
6876 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
6878 * regmove.c (find_matches): Initialize matches->earlyclobber too.
6880 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
6882 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
6883 (negsf2, negdf2): Use proper subtract in IEEE mode.
6885 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
6887 * Makefile.in: Remove more bytecode stuff.
6888 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
6889 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
6890 * f/install.texi, objc/Make-lang.in: Likewise.
6892 * Makefile.in: Remove all bytecode support.
6893 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
6894 * emit-rtl.c: Remove all bytecode support.
6895 * expr.c, expr.h function.c, integrate.c: Likewise.
6896 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
6897 * tree.h, varasm.c: Likewise.
6898 * config/m68k/m68k.h: Likewise.
6899 * bi-*, bc-*, bytecode*: Delete bytecode related files.
6900 * modemap.def: Likewise.
6902 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
6904 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
6905 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
6907 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
6909 * i386.md (push): Prohibit symbolic constants if flag_pic.
6910 (movsi+1): Likewise for move to non-register.
6912 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
6914 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
6915 (print_operand): Handle 0xffffffff on 32 bit host.
6917 * configure.in (thread_file): Rename uses before main loop to
6918 target_thread_file. Initialize to empty in main loop. Set thread_file
6919 to target_thread_file after main loop if not set.
6920 * configure: Rebuild.
6922 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
6923 (add_values_to_cover): Revert last change (which had no ChangeLog
6925 (simplify_with_current_value_aux): Handle CONST_INT.
6927 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6929 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
6931 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
6933 * configure.in: Add cpp stringify test.
6934 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
6935 * gengenrtl.c: Use it.
6936 * configure, config.in: Rebuild.
6938 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6940 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
6942 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
6944 * configure.in: Find declaration for sbrk.
6945 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
6946 * config.in, configure: Rebuild.
6947 * mips-tfile.c: Properly protect declaration of sbrk and free.
6948 * toplev.c: Properly protect declaration of sbrk.
6950 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
6952 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
6954 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
6956 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
6958 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
6960 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
6962 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
6964 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
6965 constant offset computations from objects with known alignment in
6966 the presence of STACK_BIAS.
6968 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
6970 (const_hash): Hash val is unsigned long.
6971 (SYMHASH): Likewise.
6973 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
6975 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
6976 char pointer, not HOST_WIDE_INT.
6977 (print_node): Likewise. Also hash is unsigned long not
6980 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
6982 * explow.c (optimize_save_area_alloca): New function for targets
6983 where SETJMP_VIA_SAVE_AREA is true.
6984 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
6985 compute the amount of stack space needed should we find later that
6986 setjmp is never called by this function, stuff rtl for this inside
6987 a REG_NOTE of the final SET of stack_pointer_rtx.
6988 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
6989 current_function_calls_alloca, call optimize_save_area_alloca.
6991 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
6993 * i386.md: Remove redundant integer push patterns.
6994 Don't bother checking for TARGET_PUSH_MEMORY when
6995 pushing constants or registers.
6997 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6998 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
7000 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
7001 (pwait): New function for mingw32.
7003 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
7004 pipe support is broken for now.
7006 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
7008 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
7009 between frame_pointer_rtx, hard_frame_pointer_rtx, and
7010 arg_pointer_rtx is respected in initialization.
7011 (init_emit_once): Use gen_rtx_raw_REG() to create
7012 return_address_pointer_rtx.
7014 * reorg.c: #include "expr.h" for rtx prototypes.
7015 * Makefile.in (reorg.o): Depend on expr.h
7017 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
7019 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
7020 local_prefix to sub-make invocations.
7022 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
7024 * objc-parse.c: Recognize protocol qualifiers in class definitions.
7026 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
7030 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
7031 * configure.in: Check for atol.
7032 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
7034 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
7036 * loop.c (find_and_verify_loops): When attempting to move insns from
7037 inside the loop outside the loop, create a BARRIER if no suitable
7040 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
7041 favor of an equivalent change from gcc-2.8.
7043 * i386/x-sco5 (CC): Remove trailing whitespace.
7045 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7047 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
7048 (accessor_from_format): Likewise.
7049 (xmalloc): New function for use when linking with alloca.o.
7051 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7053 * frame.c (find_fde): Correct FDE's upper bound.
7055 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
7057 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
7059 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
7061 * calls.c (expand_call): Move #ifdef code out of macro argument
7063 (emit_library_call, emit_library_call_value): Likewise.
7065 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
7067 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
7069 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
7071 * version.c: Bump for snapshot.
7073 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
7075 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
7076 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
7077 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
7078 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
7079 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
7080 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
7081 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
7082 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
7083 * unroll.c, varasm.c: Likewise.
7084 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
7086 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
7088 * mips.h: Fix some type-o's from a previous change.
7090 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
7092 * loop.c (check_dbra_loop): Make sure initial value is a
7093 CONST_INT before trying to normalize it.
7095 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
7097 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
7099 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
7101 * cppexp.c: Include gansidecl.h
7103 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
7105 * svr4.h (LINK_SPEC): Never specify -h.
7106 * ptx4.h (LINK_SPEC): Likewise.
7107 * rs6000/sysv4.h (LINK_SPEC): Likewise.
7108 * sparc/sol2.h (LINK_SPEC): Likewise.
7110 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
7112 * c-typeck.c (comptypes): Exit early on NULL input.
7114 * haifa-sched.c (schedule_insns): Correctly remove inter-block
7115 dependencies after reload.
7117 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
7119 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
7121 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
7123 * alpha/vms.h (DIR_SEPARATOR): define
7125 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7127 * Makefile.in (stamp-proto): Remove.
7128 (protoize.o, unprotoize.o): Straightforward compile.
7129 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
7131 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
7133 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
7134 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
7136 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
7138 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
7139 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
7140 * sparc/netbsd.h, vax/netbsd.h: Likewise.
7142 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
7144 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
7146 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
7148 * configure.in (target_cpu_default, target_cpu_default2): Use double
7149 quotes around them when testing their value.
7150 * configure: Rebuilt.
7152 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
7154 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
7156 (gendef): Call obstack_alloc_rtx.
7158 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
7160 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
7163 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
7165 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
7166 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
7167 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
7169 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
7171 * mips.md (return_internal): Change mode from SImode to VOIDmode.
7173 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
7175 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
7178 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
7180 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
7181 suffix from operand 3.
7183 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7184 Jeffrey A Law (law@cygnus.com)
7186 * regmove.c: New implementation of regmove pass.
7187 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
7188 decls, make them have external linkage. Return a value from
7189 optimize_reg_copy_1.
7190 * reload.h (count_occurrences): Add decl.
7191 * reload1.c (count_occurrences): Delete decl, make it have external
7193 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
7195 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
7197 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
7198 if it is not defined.
7200 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
7202 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
7203 * emit-rtl.c (gen_rtx): Move special code to ...
7204 (gen_rtx_CONST_INT): New function.
7205 (gen_rtx_REG): New function.
7206 (*): Update all calls to gen_rtx.
7207 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
7208 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
7209 (GEN_INT): Call gen_rtx_CONST_INT.
7210 * gengenrtl.c: New file.
7212 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
7214 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
7215 (base_alias_check): If no base found for address call canon_rtx and
7218 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
7220 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
7221 arguments for mips16.
7222 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
7223 Don't lose if tsize is zero after handling large stack for mips16.
7224 * mips.md (return): For trivial return, return address is in $31.
7226 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
7228 * mips/mips16.S: Various changes to make it work with -msingle-float
7231 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
7232 Ian Lance Taylor <ian@cygnus.com>
7233 Jeff Law <law@cygnus.com>
7235 * mips.c, mips.h, mips.md: First cut at merging in mips16
7236 support. Major modifications throughout all three files.
7238 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
7240 * configure.in: Make gthr-default.h a forwarding header instead of
7243 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7245 * gcov-io.h: Include sys/types.h to ensure we get size_t.
7247 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
7249 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
7250 Jeffrey A Law (law@cygnus.com)
7252 * crtstuff.c (__frame_dummy): New function for irix6.
7253 (__do_global_ctors): Call __frame_dummy for irix6.
7254 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
7256 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
7258 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
7260 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
7262 * c-decl.c (init_decl_processing): Provide proper fallback symbol
7263 for __builtin_memset.
7264 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
7265 not INTEGER_CST. Assert arg 3 is a constant.
7267 * alpha.c (mode_width_operand): Accept 64-bit modes.
7268 (mode_mask_operand): Likewise.
7269 (print_operand): Likewise for 'M' and 'U' codes.
7270 (alpha_expand_unaligned_load): New function.
7271 (alpha_expand_unaligned_store): Likewise.
7272 (alpha_expand_unaligned_load_words): Likewise.
7273 (alpha_expand_unaligned_store_words): Likewise.
7274 (alpha_expand_block_move): Likewise.
7275 (alpha_expand_block_clear): Likewise.
7276 * alpha.h (MOVE_RATIO): New define.
7277 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
7278 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
7280 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
7281 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
7283 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
7285 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
7286 * configure: Update.
7288 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
7290 * emit-rtl.c (operand_subword): Correctly handle extracting a word
7291 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
7293 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
7296 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
7298 * configure.in: Set and subsitute host_exeext. Use it when creating
7299 the assembler and linker symlinks.
7300 * configure: Rebuild.
7301 * Makefile.in (exeext): Set to @host_exeext@.
7302 (build_exeext): New variable, set to @build_exeext@.
7303 (FLAGS_TO_PASS): Pass down build_exeext.
7304 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
7307 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
7309 * mn10200.md (addsi3, subsi3): Fix thinkos.
7311 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
7313 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
7314 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
7315 unix always, since we want to be able to thunk to functions in a
7316 shared library from an application.
7318 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
7320 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
7321 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
7323 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
7325 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
7326 offset's mode is not ptr_mode, convert it.
7328 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
7330 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
7331 compiling if it was already defined.
7333 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
7335 * flow.c (find_basic_blocks): Don't create a new basic block
7336 for calls in a LIBCALL block.
7338 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
7340 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
7342 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
7344 * cse.c (rtx_cost): Remove conflicting default case.
7346 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
7348 * configure.in: Move default enabling of Haifa out of for loop.
7349 * configure: Rebuild.
7351 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
7353 * version.c: Bump for snapshot.
7355 1997-12-25 Teemu Torma <tot@trema.com>
7357 * Makefile.in (GTHREAD_FLAGS): New var.
7358 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
7359 (distclean): Remove gthr-default.h.
7361 * configure.in: Accept dce as a thread package.
7362 Check for thread.h and pthread.h.
7363 Link gthr-default.h to appropriate thread file and set
7365 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
7366 include multilib definitions from pa/t-dce-thr.
7367 (sparc-*-solaris2*): Enable threads by default, if thread.h or
7368 pthread.h is found, preferring posix threads over solaris ones.
7370 * config/pa/t-dce-thr: New file.
7371 * config/pa/t-pa: Removed multilibs.
7372 * config/sparc/t-sol2: Ditto.
7375 * gthr-single.h: New file.
7376 * gthr-posix.h: New file.
7377 * gthr-solaris.h: New file.
7378 * gthr-dce.h: New file.
7379 * libgcc-thr.h: Removed.
7380 * objc/thr-dce.c: New file copied from thr-decosf1.c.
7382 * frame.c: Include gthr.h instead of libgcc-thr.h.
7383 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
7384 (eh_context_initialize): If __gthread_once fails, use static eh
7386 (eh_context_free): Call __gthread_key_dtor.
7388 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
7390 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
7392 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
7394 * cse.c (max_insn_uid): New variable.
7395 (cse_around_loop): Use max_insn_uid.
7396 (cse_main): Set max_insn_uid.
7398 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
7399 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
7400 -mlong64, and -mgp{32,64} options.
7401 * mips.c (mips_abi): Change type to int.
7402 * mips.h (enum mips_abi_type): Delete.
7403 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
7404 (mips_abi): Change type to int.
7406 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
7408 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
7409 optimization is now always enabled.
7411 * calls.c (expand_call): Recognize C++ operator new as malloc-like
7414 * alias.c (memrefs_conflict_p): Eliminate tests now done by
7416 (*_dependence): Call canon_rtx before base_alias_check.
7417 (init_alias_once): New function to precompute set of registers which
7418 can hold Pmode function arguments.
7420 * rtl.h: Declare init_alias_once.
7422 * toplev.c (compile_file): Call init_alias_once.
7424 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
7426 * tree.c (restore_tree_status): Do not dereference a null pointer.
7428 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
7430 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
7431 RLIMIT_STACK. This maintains consistency with the recent, similar
7432 patch to cccp.c and toplev.c.
7434 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
7436 * genattrtab.c (expand_units): For large nr opclasses, expand
7437 function_units_used with ORX to prevent blowups. Tag with FFS.
7438 (num_unit_opclasses): New variable.
7439 (gen_unit): Update it.
7440 (enum operator): Add ORX_OP.
7441 (operate_exp): Treat ORX as or, except don't expand across an if.
7442 Reuse number rtx's after operating on them.
7443 (check_attr_value): Accept IOR, AND, & FFS.
7444 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
7445 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
7446 (write_expr_attr_cache, write_toplevel_expr): New functions.
7447 (write_attr_get): Handle FFS-tagged expressions.
7448 (make_canonical): Don't expand const attributes.
7449 (convert_const_symbol_ref): Dike out.
7450 (evaluate_eq_attr): Handle SYMBOL_REF.
7451 (main): Don't emit get_attr_foo for const attributes.
7453 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
7454 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
7455 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
7456 * alpha.md: Redo all of the scheduling, adding EV6 support, and
7457 combining function units where possible.
7458 (attr "type"): Split loads, stores, cmov into int/fp. Combine
7459 multiplies and divides. Add EV6 sqrt, ftoi, itof.
7460 (attr "opsize"): New attribute.
7461 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
7462 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
7463 to control register allocation.
7464 (movsi2-1, movdi2-1): Likewise.
7466 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
7468 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
7469 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
7470 Move OSF/1 specific defines out.
7471 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
7472 Move Linux specific defines out.
7473 (LINK_SPEC): Genericize.
7474 (ASM_FILE_START): Emit .arch if using more than the base insn set.
7475 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
7476 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
7477 (HANDLE_SYSV_PRAGMA): Define.
7478 * alpha/osf.h: New file.
7479 * alpha/linux.h: Split. Retain file-format independant defines.
7480 Import Linux bits from elf.h.
7481 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
7482 (FUNCTION_PROFILER): _mcount takes its address in $28.
7483 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
7484 * alpha/linux-ecoff.h: New file.
7485 * alpha/linux-elf.h: New file.
7486 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7487 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7488 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7489 Add new headers as appropriate.
7491 * configure.in (alpha*): Enable Haifa by default.
7492 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7493 * configure: Rebuild.
7495 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7497 * Makefile.in (clean): Remove the stages with their objects here ...
7498 (distclean): ... instead of here.
7500 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7502 * cse.c (rtx_cost): Add default case in enumeration switch.
7503 * fix-header.c (recognized_macro): Likewise.
7504 (recognized_extern): Likewise.
7505 (write_rbrac): Likewise.
7506 * objc/objc-act.c (encode_aggregate): Likewise.
7507 (gen_declarator): Likewise.
7508 (gen_declspecs): Likewise.
7510 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7512 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7513 case where we kill more regs after sched than were killed before
7515 * sched.c (create_reg_dead_note): Similarly.
7517 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7519 * c-pragma.c: Include flags.h.
7521 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7523 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7524 about system headers.
7525 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7526 and also to resolve symbols in prefix.c.
7528 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7529 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7530 when the definitions in auto-config.h is not visible.
7531 (HAVE_BZERO): Likewise.
7532 (HAVE_BCMP): Likewise.
7533 (HAVE_RINDEX): Likewise.
7534 (HAVE_INDEX): Likewise.
7536 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7538 * pa.c (emit_move_sequence): Handle a function label source
7541 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7543 * c-pragma.c (handle_pragma_token): Generate warning messages
7544 about unknown pragmas if warn_unknown_pragmas is set.
7546 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7547 line option to set variable: warn_unknown_pragmas.
7549 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7551 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7553 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7555 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7557 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7558 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7559 generate more fine grained floating point emulation libraries.
7560 * config/fp-bit.c: Add protecting #ifdef to all functions so
7561 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7562 then compile all suitable functions.
7563 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7564 underscores to avoid namespace pollution.
7565 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7567 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7571 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7572 Jeff Law <law@cygnus.com>
7574 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7576 * c-decl.c (finish_decl): Use parentheses around && within ||.
7577 * rtl.c: Include stdlib.h.
7578 (read_skip_spaces): Add parentheses around assignments used as
7580 (read_rtx): Initialize list_rtx.
7581 * cppexp.c (parse_number): Use || when operands are truth values.
7582 * alias.c (find_base_value): Add default case.
7583 (memrefs_conflict): Likewise.
7584 * combine.c (sets_function_arg_p): Likewise.
7585 * genemit.c (gen_exp): Likewise.
7586 * local-alloc.c (contains_replace_regs): Likewise.
7587 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7588 * fold-const.c (fold_convert): Use "&&" for truth values.
7589 (fold): Add default case.
7590 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7591 (sdbout_one_type): Add default case.
7592 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7593 (some_operand): Add default case.
7594 (input_operand): Likewise.
7595 (signed_comparison_operator): Likewise.
7596 (divmod_operator): Likewise.
7597 (alpha_set_memflags_1): Likewise.
7598 * reload1.c (reload_cse_simplify_operands): Ensure function
7599 always returns a value.
7600 * scan-decls.c (scan_decls): Likewise.
7601 * c-lex.c (skip_white_space): Fix typo in declaraion.
7602 * c-typeck.c (comp_target_types): Add parentheses around assignment
7603 used as truth value.
7604 (print_spelling): Likewise.
7605 (constructor_implicit, constructor_result): Remove unused variables.
7606 * collect2.c (scan_library): Protect prototype with
7607 #ifdef SCAN_LIBRARIES.
7608 * emit-rtl.c (find_line_note): Fix typo in declaration.
7609 * final.c (asm_insn_count): Protect prototype with
7610 #ifdef HAVE_ATTR_length.
7611 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7612 (try_pre_increment_1, try_pre_increment): Likewise.
7613 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7614 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7615 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7616 unsigned/signed comparisons.
7617 * gcov.c (read_files): Remove unused "first_type" variable.
7618 (scan _for_source_files): Initialize s_ptr.
7619 (function_summary): Eliminate "%lf" formatting, use %ld for
7621 (output_data): Initialize branch_probs and last_line_num.
7622 Eliminate "%lf" formatting, use "%ld" for longs.
7624 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7626 * mips16.S: New file.
7628 * libgcc2.c (varargs): Handle mips16.
7630 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7632 * stmt.c (expand_end_case): Likewise.
7633 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7634 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7635 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7637 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7639 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7640 the build directory.
7641 (libobjc.a): Update dependency list.
7642 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7644 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7645 (objc.mostlyclean): Remove runtime-info.h.
7647 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7649 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7650 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7651 * dwarf2out.c (add_subscript_info): Likewise.
7652 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7653 * sdbout.c (plain_type_1): Likewise.
7654 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7656 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7659 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7661 * mips.c (fatal): Remove declaration.
7663 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7665 * integrate.c (get_label_from_map): New function.
7666 (expand_inline_function): Use it. Initialize the label_map to
7667 NULL_RTX instead of gen_label_rtx.
7668 (copy_rtx_and_substitute): Use get_label_from_map.
7669 * integrate.h (get_label_from_map): New function.
7670 (set_label_from_map): New macro.
7671 * unroll.c (unroll_loop): Use them.
7672 (copy_loop_body): Ditto.
7674 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7676 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7677 (INIT_TARGET_OPTABS): Define.
7678 * mips/ecoff.h: Include gofast.h before mips.h.
7679 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7680 * mips/elf64.h: Likewise.
7681 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7683 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7685 * except.c: Remove register_exception_table{,_p}.
7687 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7689 * unroll.c (calculate_giv_inc): Handle constant increment found in
7690 a MEM with an appropriate REG_EQUAL note.
7692 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7694 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7695 frame pointer in the prologue.
7697 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7699 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7700 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7702 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7704 * config/m68k/m68k.c (output_function_prologue): Typecast
7705 dwarf2out_cfi_label to (char *).
7706 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7708 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7710 * sparc.md (jump): Don't use the annul bit around an empty loop.
7711 Patch from Kevin.Kelly@East.Sun.COM.
7713 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7715 * jump.c: (jump_optimize): Don't use the return register as a
7716 source1 of a conditional move.
7718 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7720 * sparc.c (DF_MODES): Or the mask not the bit number.
7721 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7723 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7725 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7727 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7729 * fixincludes (size_t): Add support for Motorola's stdlib.h
7730 which fails to provide a definition for size_t.
7731 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7732 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7733 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7735 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7736 prevent unresolved externals in libio.
7737 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7739 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7741 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7742 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7743 (LIB_SPEC): Updated for glibc 2.
7745 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7747 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7748 * ginclude/varargs.h: Likewise.
7750 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7752 * version.c: Bump for snapshot.
7754 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7756 * frame.h (__register_frame, __register_frame_table,
7757 __deregister_frame): New.
7758 * frame.c (__register_frame, __register_frame_table,
7759 __deregister_frame): New.
7760 * frame.c (__deregister_frame_info): Return void *.
7761 * frame.h (__deregister_frame_info): Ditto.
7762 * collect2.c (__deregister_frame_info): Ditto.
7764 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7766 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7768 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7770 * alpha.c (alpha_cpu_name): New variable.
7771 (alpha_mlat_string): Likewise.
7772 (alpha_memory_latency): Likewise.
7773 (override_options): Handle -mmemory-latency.
7774 (alpha_adjust_cost): Adjust load cost for latency.
7775 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7776 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7777 TARGET_CIX into account.
7778 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7779 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7781 * alpha.h (ASM_COMMENT_START): New macro.
7783 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7785 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7786 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7788 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7789 SUBREG_REG if the word count is unchanged.
7790 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7791 subregs of identical word size for push_reload.
7793 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7795 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7796 if all we're doing is dealing with -Wreturn-type.
7798 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7800 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7801 Use and 255 instead of zapnot 1, since it schedules better.
7803 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7805 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7808 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7810 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7811 dependency we delete. Properly update prev for multiple consecutive
7813 (priority): Skip deleted dependence.
7815 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
7817 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
7819 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7821 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
7822 determining when a new basic block starts.
7824 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
7826 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
7827 * pa.md (iorsi3): Add missing args to *_operand calls.
7829 * except.c (call_get_eh_context): Don't mess with sequences.
7830 (emit_eh_context): Include the call in the sequence here.
7832 1997-12-11 Paul Eggert <eggert@twinsun.com>
7834 * collect2.c (write_c_file_glob): Allocate initial frame object
7835 in static storage and pass its address.
7837 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7839 * except.c (call_get_eh_context): Don't take a parm.
7840 Put the call at the top of the function.
7841 (emit_eh_context): Adjust.
7842 (get_eh_context): Replace with former use_eh_context.
7843 (get_eh_context_once, get_saved_pc_ref): Remove.
7844 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
7846 * integrate.c (expand_inline_function): Adjust.
7847 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
7849 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
7851 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
7852 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
7854 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
7856 * fixincludes (strlen,strspn,strcspn return value): Handle different
7858 (hypot): Provide a fake for hypot which is broken on
7859 m88k-motorola-sysv3.
7861 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
7863 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
7864 tree_code_name from pointers to arrays.
7865 * tree.c: Remove standard_tree_code_* variables, no longer used.
7866 * print-tree.c: Remove declaration of tree_code_name.
7868 * cp/lex.c (init_lex): Update for tree_code_* changes.
7869 * objc/objc-act.c (init_objc): Likewise.
7871 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
7874 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
7876 * config.sub: Add support for BeOS target.
7877 * configure.in: Likewise.
7878 * ginclude/stdarg.h: Likewise.
7879 * ginclude/stddef.h: Likewise.
7880 * ginclude/varargs.h: Likewise.
7881 * rs6000/beos.h: New file for BeOS.
7882 * rs6000/t-beos: Likewise.
7883 * rs6000/x-beos: Likewise.
7884 * rs6000/xm-beos.h: Likewise.
7885 * toplev.c (get_run_time): Just return 0 on BeOS.
7887 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
7888 Toon Moene (toon@moene.indiv.nluug.nl)
7890 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
7891 old and broken Sun3 assemblers. Newer versions handle large
7892 offsets correctly as does the GNU assembler.
7894 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7896 * objc/objc-act.c (lang_report_error_function): Disable.
7897 * objc/objc-parse.y: Include "output.h".
7898 (yyerror): Remove redundant decl.
7899 (yyprint): Fix prototype.
7900 (apply_args_register_offset): Remove redundant decl.
7901 (get_file_function_name): Likewise.
7903 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
7905 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
7907 (find_basic_blocks_1): Likewise.
7909 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7911 * except.c (use_eh_context): Don't copy_rtx a REG.
7912 (emit_throw): Lose old unwinder support.
7913 (expand_internal_throw): Likewise.
7914 * libgcc2.c (struct eh_context): Likewise.
7915 (new_eh_context): Likewise.
7916 (__get_eh_info): Lose redundant cast.
7917 (__get_dynamic_handler_chain): Likewise.
7918 (__get_saved_pc): Lose.
7919 Lose all old unwinder support code.
7921 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
7923 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
7925 * integrate.c (expand_inline_function): If the inline fn uses eh
7926 context, make sure that the current fn has one.
7927 * toplev.c (rest_of_compilation): Call emit_eh_context.
7928 * except.c (use_eh_context): New fn.
7929 (get_eh_context_once): New fn.
7930 (call_get_eh_context): New fn.
7931 (emit_eh_context): New fn.
7932 (get_eh_context): Call either get_eh_context_once or
7933 call_get_eh_context, depending on what we have.
7934 (get_dynamic_handler_chain): Call get_eh_context_once.
7935 * except.h: Prototypes for fns above.
7936 * optabs.c (get_eh_context_libfunc): Removed.
7937 (init_optabs): Don't initialize it.
7938 * expr.h (get_eh_context_libfunc): Removed.
7939 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
7940 * config/pa/pa.h (CPP_SPEC): Support for -threads.
7941 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
7942 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
7943 New multilib for -threads.
7944 * config/sparc/t-sol2: Added multilibs for -threads and
7945 made -pthreads alias to it.
7946 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
7947 Added -threads and -pthreads options.
7948 * libgcc-thr.h: New file.
7949 * libgcc2.c: (__get_cpp_eh_context): Removed.
7950 (struct cpp_eh_context): Removed.
7951 (struct eh_context): Replaced cpp_eh_context with generic language
7953 (__get_eh_info): New function.
7954 (__throw): Check eh_context::info.
7956 * libgcc2.c: Include libgcc-thr.h.
7957 (new_eh_context, __get_eh_context,
7958 eh_pthread_initialize, eh_context_initialize, eh_context_static,
7959 eh_context_specific, eh_context_free): New functions.
7960 (get_eh_context, eh_context_key): New variables.
7961 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
7962 get_eh_context to get the context.
7963 (longjmp): Move the declaration inside
7964 #ifdef DONT_USE_BUILTIN_SETJMP.
7965 * frame.c: Include libgcc-thr.h.
7966 (object_mutex): Mutex to protect the object list.
7967 (find_fde, __register_frame, __register_frame_table,
7968 __deregister_frame): Hold the lock while accessing objects.
7969 * except.h (get_eh_context): Declare.
7970 * except.c (current_function_ehc): Define.
7971 (current_function_dhc, current_function_dcc): Removed.
7972 (get_eh_context): New function.
7973 (get_dynamic_handler_chain): Use get_eh_context.
7974 (get_saved_pc_ref): Ditto.
7975 (get_dynamic_cleanup_chain): Removed references to
7976 current_function_dcc.
7977 (save_eh_status, restore_eh_status): Save and restore
7978 current_function_ehc instead.
7979 * optabs.c (get_eh_context_libfunc): New variable.
7980 (init_optabs): Initialize it.
7981 * expr.h: Declare get_eh_context_libfunc.
7982 * function.h (struct function): Replaced dhc and dcc with ehc.
7983 * except.c (get_saved_pc_ref): New functions.
7984 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
7985 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
7987 (end_eh_unwinder): Likewise.
7988 (init_eh): Remove initialization of eh_saved_pc.
7989 * optabs.c (get_saved_pc_libfunc): New variable.
7990 (init_optabs): Initialize it.
7991 * expr.h: Declare get_saved_pc_libfunc.
7992 * except.h (eh_saved_pc_rtx): Deleted.
7993 (get_saved_pc_ref): Declared.
7995 From Scott Snyder <snyder@d0sgif.fnal.gov>:
7996 * libgcc2.c (__get_saved_pc): New.
7997 (__eh_type, __eh_pc): Deleted.
7998 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
7999 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
8002 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
8004 * sparc/sol2.h: Use 64 bit multiply and divide functions in
8005 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
8008 * rtl.h (global_rtl): New variable, replacing separate variables for
8010 (const_int_rtx): Now array of rtx_def, not rtx.
8011 * emit-rtl.c: Update for new rtl data structures.
8012 * genattrtab.c: Define global_rtl.
8014 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
8016 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
8019 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
8021 * crtstuff.c (__do_global_ctors): Fix typo.
8023 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
8025 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8026 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8028 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
8030 * rs6000.h (FUNCTION_ARG_PADDING): Define.
8031 * rs6000.c (function_arg_padding): New function.
8033 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
8035 * m68k.c: Include tree.h only once.
8037 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8039 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
8041 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
8043 * Partially cleaned up prototyping code from HJ.
8044 * tree.h: Add many prototypes.
8045 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
8046 All references changed.
8047 * rtl.h: Protect from multiple inclusions. Add many prototypes.
8049 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
8051 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
8052 string functions like strlen.
8054 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
8056 * configure.in: Check for functions getrlimit and setrlimit.
8057 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8058 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8060 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
8062 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
8064 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
8066 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
8069 * alpha.c (override_options): Don't know about scheduling for EV6.
8070 * alpha.md (ev5 function units): Don't overload as ev6.
8072 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
8073 * alpha.md (define_attr type): Add mvi.
8074 (ev5_e0): Define sceduling parameters for it.
8075 (TARGET_MAX insns): Type is mvi not shift.
8077 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
8079 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
8081 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8083 * cstamp-h, auto-config.h: Delete.
8085 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
8087 * version.c: Bump for snapshot.
8089 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
8091 * cccp.c: Fix typo brought over in merge.
8093 * Merge in changes from gcc-2.8.
8095 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
8097 * m68k.c: Include tree.h for dwarf2out_cfi_label.
8099 * gcc.c (process_command): Do not take address of function fatal when
8100 calling lang_specific_driver.
8102 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
8104 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
8105 doesn't work with it yet, so set it to 0.
8106 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
8108 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8110 * cse.c (cse_insn): Check for invalid entries when taking references.
8112 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8114 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
8115 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
8116 * toplev.c (rest_of_compilation): Pass it. Remove code to
8117 save / clear / restore flag_unroll_{,all_}loops.
8119 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8121 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
8123 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
8125 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
8127 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
8129 * except.c (get_dynamic_handler_chain): Only make the call once per
8132 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
8134 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8136 * sh.c (final_prescan_insn): Use local label prefix
8137 when emitting .uses pseudo-ops.
8139 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8141 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
8142 * except.c: Lose outer_context_label_stack.
8143 (expand_eh_region_end): Rethrow from outer_context here.
8144 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
8145 (expand_internal_throw): Take no args.
8146 (expand_internal_throw_indirect): Lose.
8147 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
8148 (expand_start_all_catch): Start a rethrow region.
8149 (expand_end_all_catch): End it.
8150 (expand_rethrow): New fn.
8151 * except.h: Reflect above changes.
8152 * flow.c: Revert change of Nov 27.
8154 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
8156 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
8158 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8160 * except.c (expand_fixup_region_end): New fn.
8161 (expand_fixup_region_start): Likewise.
8162 (expand_eh_region_start_tree): Store cleanup into finalization here.
8163 * stmt.c (expand_cleanups): Use them to protect fixups.
8165 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
8167 * mips/mips.md (muldi3_r4000): Broaden the output template
8168 and attribute assignments to handle three operand dmult;
8169 rename to muldi3_internal2.
8170 (muldi3): Call the new muldi3_internal2 for R4000, and
8171 any GENERATE_MULT3 chip.
8173 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
8175 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
8177 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
8179 * unroll.c (find_splittable_givs): Remove last change. Handle givs
8180 with a dest_reg that was created by loop.
8182 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
8184 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
8186 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
8188 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
8190 * configure.in: Fix NCR entries.
8192 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
8194 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
8195 nested exceptions correctly.
8197 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
8198 that was created by loop.
8200 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
8202 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
8204 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
8206 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
8208 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
8209 (print_operand): Use SMALL_DATA_REG for the register involved in
8210 small data relocations.
8211 (print_operand_address): Ditto.
8213 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
8214 -dynamic linker is not used.
8216 * rs6000.md (call insns): For local calls, use @local suffix under
8217 System V. Don't use @plt under Solaris.
8219 * rs6000.c (output_function_profiler): Put label address in r0, and
8220 store LR in 4(sp) for System V/eabi.
8222 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
8223 byte boundary, and maintain stack backchain.
8225 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8227 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8228 fix_truncsfdi2): Change *.
8230 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
8232 * toplev.c (main): Complain about -gdwarfn.
8234 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
8236 * dwarfout.c (output_type): If finalizing, write out nested types
8237 of types we've already written.
8239 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
8241 (patches originally from Geoffrey Keating)
8242 * rs6000.c (function_arg): Excess floating point arguments don't
8243 go into GPR registers after exhausting FP registers under the
8245 (function_arg_partial_nregs): Ditto.
8247 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
8250 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
8252 * integrate.c (output_inline_function): Just unset DECL_INLINE.
8254 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
8256 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
8259 * libgcc2.c (__throw): Initialize HANDLER.
8261 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8263 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8264 fix_truncsfdi2): Change *X to ?*X.
8266 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
8268 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
8270 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
8272 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
8274 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
8276 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
8278 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
8280 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
8281 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
8284 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
8286 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
8287 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
8288 gas and not using the new HP assembler.
8290 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
8292 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
8293 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
8295 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
8297 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
8298 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
8301 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8303 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
8305 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8307 * except.h: Add outer_context_label_stack.
8308 * except.c: Likewise.
8309 (expand_start_all_catch): Push the outer_context for the try block
8310 onto outer_context_label_stack.
8311 (expand_end_all_catch): Use it and pop it.
8313 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
8315 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
8317 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
8319 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
8321 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
8323 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
8324 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8326 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8328 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
8329 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
8330 __builtin_delete, and __builtin_vec_delete.
8332 * except.c (output_exception_table): Don't bother with
8335 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
8337 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
8338 is an in/out operand.
8339 (zero extended variants of stwm/stwm patterns): Similarly.
8341 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
8343 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
8345 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
8347 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
8348 (output_call_frame_info): Emit a \n after using it.
8350 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
8352 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
8354 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
8356 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
8357 (ASM_OUTPUT_DWARF_VALUE4): New macro.
8358 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
8360 (output_call_frame_info): Do not output forward label differences
8361 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
8362 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
8364 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8366 * sh.md (attribute "type"): Add nil.
8367 (movsi_ie): y/y alternative is type nil.
8368 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
8370 (movsf_ie+1): Delete.
8372 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
8374 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
8375 large_int, emit two insns instead of one splitable insn.
8376 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
8377 from cfa_temp_value, use cfa_offset. Add assert checking that
8380 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
8382 * cccp.c (deps_output): Properly quote file names for make.
8384 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
8386 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
8388 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
8390 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
8392 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
8394 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
8396 (cse_end_of_basic_block): Similarly.
8398 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
8400 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8401 (SELECT_RTX_SECTION): Define.
8402 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
8404 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
8406 * Makefile.in (compare, compare-lean): Define $stage for each
8408 (gnucompare, gnucompare-lean): Likewise.
8410 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
8412 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
8414 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
8415 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8417 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
8419 * dwarfout.c (byte_size_attribute): Add local var upper_bound
8420 and add case to handle STRING_TYPE.
8421 * dwarfout.c (output_string_type_die): Fix code to generate
8422 correct string length attribute for fixed length strings.
8423 Still needs support for varying length strings.
8425 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
8427 * toplev.c (get_run_time): Do something sensible for cygwin32.
8429 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
8431 * expr.c (expand_builtin_setjmp): Set
8432 current_function_has_nonlocal_label.
8433 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
8434 call-saved registers across calls.
8436 * alpha.md (exception_receiver): Remove.
8437 (nonlocal_goto_receiver_osf): New
8438 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
8439 (nonlocal_goto_receiver): New, select _osf or _vms.
8441 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
8442 keep them from being propogated to the object file.
8443 (alpha_write_linkage): Likewise.
8444 * alpha.md (call_vms): Likewise.
8445 (call_value_vms): Likewise.
8446 (unnamed osf call insns): Likewise.
8448 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
8449 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8451 * alpha.c (call_operand): Any reg is valid for WinNT.
8452 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
8453 (anon nt calls): Add 'R' alternative.
8454 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
8455 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
8457 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
8459 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
8461 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
8462 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8463 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8465 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
8467 * reload1.c (new_spill_reg): Improve fixed or forbidden register
8468 spill error message.
8470 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8472 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
8473 use varargs.h. Wrap header with <>, not "".
8475 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
8477 * integrate.c (save_for_inline_copying): Add return value from
8480 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
8482 * fixincludes: Be a little more restrictive on what we will
8483 substitute to replace definitions of MAXINT for HPUX.
8485 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8487 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8488 whose address is the stack or argument pointers are indirect
8491 1997-11-13 Paul Eggert <eggert@twinsun.com>
8493 * cccp.c, cpplib.c (compare_defs):
8494 Don't complain about arg name respellings unless pedantic.
8495 * cpplib.c (compare_defs): Accept pfile as new arg.
8496 All callers changed.
8498 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8500 * fold-const.c (fold_truthop): Fix bug in last change.
8502 1997-11-13 Paul Eggert <eggert@twinsun.com>
8504 Fix some confusion with IEEE minus zero.
8506 * real.h (REAL_VALUES_IDENTICAL): New macro.
8508 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8509 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8511 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8512 same tree structure as 0.0.
8514 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8515 macro instead of doing it by hand.
8517 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8519 * v850/lib1funcs.asm: Minor whitespace changes.
8520 * v850.c: Fix minor formatting problems in many places.
8521 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8523 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8525 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8526 xplus1 when xplus0 is not a register.
8528 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8530 * flow.c (find_basic_blocks): During marking phase, if we encounter
8531 an insn with a REG_LABEL note, make the target block live and
8532 create an edge from the insn to the target block. Do not make
8533 edges from all blocks to the target block.
8535 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8537 * confiugre.in: Tweak NCR entries.
8538 * configure: Rebuilt.
8540 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8542 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8543 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8544 and CONST_DOUBLE_HIGH.
8546 * rs6000.md (define_splits for DF constants): Use the appropriate
8547 REAL_VALUE_* interface to pick apart DF floating point constants in
8548 a machine independent fashion.
8550 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8552 * fold-const.c (fold_truthop): When changing a one-bit comparison
8553 against zero into a comparison against mask, do a proper sign
8556 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8558 * except.c: Do not include "assert.h".
8559 (save_eh_status): Turn asserts into conditional aborts.
8560 (restore_eh_status, scan_region): Likewise.
8561 * dwarfout.c: Do not include "assert.h".
8562 (bit_offset_attribute): Turn asserts into conditional aborts.
8563 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8564 (output_inlined_structure_type_die): Likewise.
8565 (output_inlined_union_type_die): Likewise
8566 (output_tagged_type_instantiation): Likewise.
8567 (dwarfout_file_scope_decl): Likewise.
8568 * dwarf2out.c: Do not include "assert.h"
8569 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8570 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8571 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8572 (add_bit_size_attribute, scope_die_for): Likewise.
8573 (output_pending_types_for_scope): Likewise.
8574 (get_inlined_enumeration_type_die): Likewise.
8575 (get_inlined_structure_type_die): Likewise.
8576 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8577 (gen_tagged_type_instantiation_die): Likewise.
8579 * flow.c (find_basic_blocks): Refine further to get a more correct
8580 cfg, especially in the presense of exception handling, computed
8581 gotos, and other non-trivial cases. Call abort if an inaccuracy
8582 is detected in the cfg.
8584 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8586 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8588 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8589 (skip_white_space): Use whitespace_cr.
8590 (check_newline): Handle whitespace more consistently.
8592 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8594 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8595 * i386/xm-cygwin32.h (POSIX): Define.
8597 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8599 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8600 is available elsewhere.
8602 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8604 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8605 what the instruction can handle.
8607 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8609 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8611 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8613 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8615 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8616 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8618 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8620 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8621 swap instruction order.
8623 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8625 * fixinc.svr4 (__STDC__): Add another case.
8627 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8629 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8630 addresses in the epilogue delay slot.
8632 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8634 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8635 in generated `specs' file.
8637 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8639 * flags.h (flag_rerun_loop_opt): Declare.
8640 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8641 * toplev.c (flag_rerum_loop_opt): Delete static.
8643 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8645 Bring over from FSF:
8647 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8649 * va-sh.h (__va_arg_sh1): Define.
8651 SH3E doesn't use any integer registers for subsequent arguments
8652 once a non-float value was passed in the stack.
8653 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8654 alignment in front label for ADDR_DIFF_VEC.
8655 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8656 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8658 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8660 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8663 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8665 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8666 put an use_sfunc_addr before each sfunc.
8667 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8668 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8670 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8672 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8674 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8676 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8679 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8681 * alias.c (find_base_value): Only return the known base value for
8684 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8686 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8687 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8689 (prologue_get_pc_and_set_got): New pattern.
8691 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8693 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8694 for SUBREG, just fall through.
8696 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8698 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8700 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8702 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8704 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8705 (USE_HOST_ALLOCA): Likewise.
8707 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8708 and LABEL_REFS fields.
8709 * rtl.h (LABEL_REFS): Update.
8711 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8713 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8714 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8715 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8718 * mips.md (insv, extzv, extv): Add change_address call.
8719 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8721 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8723 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8725 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8726 save_restore_insns if no FP and GP will be restored.
8728 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8729 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8731 * acconfig.h (HAVE_INTTYPES_H): Undef.
8732 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8733 and inttypes.h, and verify that intmax_t is defined.
8734 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8735 * config/mips/x-iris3: Likewise.
8737 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8739 * alias.c (find_base_value): When copying arguments, return the
8740 tenative value for a hard register.
8742 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8744 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8745 (yylex): Record wide strings using target endianness, not host.
8747 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8749 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8750 (ASM_OUTPUT_ALIGNED_BSS): New macro
8751 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8752 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8753 * v850.h (ASM_OUTPUT_BSS): Delete.
8754 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8756 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8758 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8760 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8762 * configure.in (sco5): Use cpio to install header files.
8764 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8766 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8768 * configure: Rebuild.
8770 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8772 * i386/sco5.h: enable -gstabs once again.
8774 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8776 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8778 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8780 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8781 notes for sjlj exceptions too.
8782 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8783 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8784 * final.c (final_scan_insn): Don't output labels for EH REGION
8785 notes if doing sjlj exceptions.
8787 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8789 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8790 optimizing correctly.
8792 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8793 or set current_function_calls_setjmp anymore.
8795 * flow.c (find_basic_blocks): If we delete the label for an
8796 exception handler, remove it from the EH label list and remove
8797 the EH_BEGIN/EH_END notes for that EH region.
8799 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8801 * flow.c (find_basic_blocks): Generate correct flow control
8802 information when exception handling notes are present.
8804 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8806 * dwarf2out.c (output_call_frame_info): Fix length argument
8807 to ASM_OUTPUT_ASCII.
8808 (output_die, output_pubnames, output_line_info): Likewise.
8810 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8812 * version.c: Bump for snapshot.
8814 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
8815 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
8816 flag_debug_asm is on.
8817 (output_die, output_pubnames, output_line_info): Likewise.
8819 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
8820 and static_chain_rtx into the potential base values array if
8823 * alias.c (new_reg_base_value): New array of potential base values.
8824 (unique_id): Now file scoped static.
8825 (find_base_value, case REG): Return the value in reg_base_value
8826 array for the REG if it exists. Else, return the value from
8827 new_reg_base_value if copying args and REG is a hard register.
8828 (find_base_value, case PLUS): If either operand of the PLUS is
8829 a REG, try to get its base value. Handle base + index and
8831 (record_set): Use new_reg_base_value instead of reg_base_value.
8832 (init_alias_analysis): Allocate space for new_reg_base_value too.
8833 Rework code to iterate over the insns propagating base value
8834 information until nothing changes.
8836 * global.c (global_alloc): Free the conflict matrix after
8837 reload has finished.
8839 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
8841 * libgcc2.c (L_eh): Define __eh_pc.
8842 Replace __eh_type with generic pointer __eh_info.
8844 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8846 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
8847 use copy_to_reg if address is not a general_operand.
8849 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8851 * profile.c (output_func_start_profiler): Clear flag_inline_functions
8852 for the duration of the call to rest_of_compilation.
8854 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
8856 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
8858 (sparc*-*-*): Recognize --with-cpu=v9.
8859 * sparc/elf.h: New file.
8860 * sparc/t-elf: New file.
8862 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
8864 * mn10300.c (const_8bit_operand): New function.
8865 (mask_ok_for_mem_btst): New funtion.
8866 * mn10300.md (btst patterns with mem operands): Use new functions
8867 to avoid creating btst instructions with invalid operands.
8869 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
8871 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
8872 are running on PowerPC Linux.
8874 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
8876 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
8877 if not previously defined.
8879 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
8881 * function.c (assign_parms): Correct mode of stack_parm if
8882 entry_parm underwent a mode conversion.
8884 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
8886 * global.c (global_alloc): Use xmalloc instead of alloca for
8887 CONFLICTS, since max_allocno * allocno_row_words alone can be more
8888 than 2.5Mb sometimes.
8890 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
8892 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
8893 DEST for the spill, adjust mode of SRC to compensate.
8895 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8897 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
8898 since any_memory_operand() allows pseudos during reload.
8899 (reload_inhi, reload_outqi, reload_outhi): Likewise.
8901 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
8903 * m68k.md (btst patterns): Add 5200 support.
8905 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8907 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
8908 optimizations, look inside dividend to determine if the expression
8909 can be simplified by using EXACT_DIV_EXPR.
8911 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
8914 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
8916 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
8918 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
8920 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
8922 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
8925 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
8927 * alpha.md (movqi, movhi): Make sure new insns created during reload
8928 won't need reloading themselves.
8929 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
8931 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
8933 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
8935 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
8937 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
8938 Patch from Klaus Kaempf <kkaempf@progis.de>.
8940 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
8942 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
8943 to an element in a constant string.
8945 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
8947 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
8948 bit PC-relative offset. The exception range table pointer is now in
8950 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
8951 (count_fdes, add_fdes, get_cie): Adjust.
8952 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
8955 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
8957 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
8959 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
8960 like stack_pointer_rtx.
8962 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
8964 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
8965 targets using "$@" to provide support for similar but not identical
8966 targets without having to duplicate code.
8967 (bootstrap4): New goal.
8969 * Makefile.in (compare, compare-lean, compare3): Combined to one
8970 ruleset determining actions to be performed via $@.
8971 (compare4, compare4-lean): New targets.
8972 (gnucompare, gnucompare3): Combined to one ruleset determining
8973 actions to be performed via $@. Also, note which files failed
8974 the comparison test in .bad_compare.
8975 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
8977 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8979 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
8980 if the dividend is a multiple of the divisor.
8982 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
8984 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
8986 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
8989 * alias.c (true_dependence): Fix typo.
8991 * toplev.c (flag_rerun_loop_opt): New variable.
8992 (f_options): Handle -frerun-loop-opt.
8993 (rest_of_compilation): If -frerun-loop-opt, then run the loop
8995 (main): Enable -frerun-loop-opt by default for -O2 or greater.
8997 * loop.c (simplify_giv_expr): Adding two invariants results
9000 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
9002 * expr.c (get_inner_reference): Remove the array bias after
9003 converting the index to Pmode.
9005 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
9007 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
9008 (TARGET_MULT_BUG): Define.
9009 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
9010 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
9012 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
9014 * mn10200.c (indirect_memory_operand): Delete unused function.
9015 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
9016 * mn10200.md (bset, bclr insns): Handle output in a reg too.
9018 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
9020 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
9021 the callee's ldgp, we must do it ourselves, and we use the jsr tag
9022 for more than scheduling.
9024 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
9026 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
9028 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
9030 * mn10300.c (symbolic_operand, legitimize_address): New functions.
9031 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
9032 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
9034 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
9036 * version.c: Bump for snapshot.
9038 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9040 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
9043 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
9045 * toplev.c (flag_exceptions): Default value is 2.
9046 (compile_file): If flag_exceptions still has the value 2, then
9049 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
9050 (rs6000_save_machine_status): Save pic_offset_table_rtx.
9051 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
9053 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
9056 * rs6000.md (*movsi_got_internal_mem): New pattern.
9057 (*movsi_got_internal_mem splitter): New define_split.
9059 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
9061 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
9063 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9065 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
9066 only need to save LR.
9068 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
9070 * mn10300.md (movqi, movhi): Avoid using address registers as
9071 destinations unless absolutely necessary.
9073 * mn10200.c (expand_prologue): Fix typo.
9075 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
9077 * mn10200.md (neghi2): Provide an alternative which works if
9078 the input and output register are the same.
9080 * mn10300.c (print_operand): Handle 'S'.
9081 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
9082 shift amount in last alternative
9084 * mn10300.c (expand_epilogue): Rework to handle register restores
9085 in "ret" and "retf" instructions correctly.
9087 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
9089 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
9090 extzv for memory operands.
9092 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
9093 redundant conditional moves to single operand.
9095 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
9097 * v850.h: Move define of __v850__ from CPP_PREDEFINES
9100 * xm-v850.h: Use __v850 rather than __v850__ to
9103 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
9105 * mips/mips.c (compute_frame_size): Not a leaf function if
9108 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9110 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
9112 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
9114 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
9115 (DEFAULT_ARCH32_P): New macro.
9116 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
9117 (enum cmodel): Declare.
9118 (sparc_cmodel_string,sparc_cmodel): Declare.
9119 (SPARC_DEFAULT_CMODEL): Provide default.
9120 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
9121 (TARGET_FULLANY): Deleted.
9122 (TARGET_CM_MEDMID): New macro.
9123 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
9124 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9125 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
9126 (CPP_SPEC): Rewrite.
9127 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9128 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
9129 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9130 (ASM_SPEC): Add %(asm_arch).
9131 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
9132 Rename asm_default to asm_cpu_default.
9133 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
9134 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
9135 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
9136 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
9137 (MASK_INT64,MASK_LONG64): Delete.
9138 (MASK_ARCH64): Renamed to MASK_64BIT.
9139 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
9140 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
9141 (TARGET_SWITCHES): Always provide 64 bit options.
9142 (ARCH64_SWITCHES): Delete.
9143 (TARGET_OPTIONS): New option -mcmodel=.
9144 (INT_TYPE_SIZE): Always 32.
9145 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
9146 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
9147 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
9148 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
9149 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
9151 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9152 * sparc/linux.h: Likewise.
9153 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
9154 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9155 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
9156 (SPARC_DEFAULT_CMODEL): Define.
9157 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9158 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9159 (LONG_DOUBLE_TYPE_SIZE): Define.
9160 (ASM_SPEC): Add %(asm_arch).
9161 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9162 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9163 (TARGET_CPU_DEFAULT): Add ultrasparc case.
9164 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
9165 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
9166 (SPARC_DEFAULT_CMODEL): Define.
9167 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
9168 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
9169 MASK_LONG64, MASK_MEDANY.
9170 (SPARC_DEFAULT_CMODEL): Define.
9171 (CPP_PREDEFINES): Delete.
9172 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9173 (ASM_SPEC): Add %(asm_arch).
9174 (LONG_DOUBLE_TYPE_SIZE): Define.
9175 (DWARF2_DEBUGGING_INFO): Define.
9176 * sparc/splet.h (CPP_SPEC): Delete.
9177 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9178 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
9179 (BLOCK_PROFILER): Likewise.
9180 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
9181 (sparc_override_options): Handle code model selection.
9182 (sparc_init_expanders): Renamed from sparc64_init_expanders.
9183 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
9184 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
9185 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
9186 (sethi_di_fullany): Delete.
9188 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
9189 Jeff Law <law@cygnus.com>
9190 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9192 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
9193 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
9194 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
9195 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
9196 * alpha/alpha.md (arg_home): Likewise.
9198 * alpha/alpha.c (vmskrunch): Delete
9199 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
9200 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
9201 truncate to 64 characters.
9203 * make-l2.com: Support openVMS/Alpha.
9205 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
9207 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9209 * longlong.h (count_leading_zeros): Add missing casts to USItype.
9211 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
9213 * i386/bsd386.h (ASM_COMMENT_START): Define.
9215 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
9217 * tree.c (restore_tree_status): Also free up temporary storage
9218 when we finish a toplevel function.
9219 (dump_tree_statistics): Print stats for backend obstacks.
9221 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
9223 * expr.c (use_group_regs): Don't call use_reg for MEMs.
9225 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9227 * libgcc2.c (__throw): Don't copy the return address.
9228 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
9230 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
9231 * toplev.c (main): Initialize exceptions_via_longjmp.
9233 * tree.c: Add extra_inline_obstacks.
9234 (save_tree_status): Use it.
9235 (restore_tree_status): If this is a toplevel inline obstack and we
9236 didn't want to save anything on it, recycle it.
9237 (print_inline_obstack_statistics): New fn.
9238 * function.c (pop_function_context_from): Pass context to
9239 restore_tree_status.
9240 * obstack.h (obstack_empty_p): New macro.
9242 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
9244 * i386/freebsd.h (ASM_COMMENT_START): Fix.
9246 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
9248 * v850.c (ep_memory_offset): New function.
9249 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
9251 * v850.h (CONST_OK_FOR_*): Add and correct comments.
9252 (CONSTANT_ADDRESS_P): Add comment.
9253 (EXTRA_CONSTRAINT): Define 'U'.
9254 * v850.md: Add comments on bit field instructions.
9255 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
9256 (lshrsi3): Use N not J constraint.
9258 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
9260 * v850.c (reg_or_0_operand): Call register_operand.
9261 (reg_or_int5_operand): Likewise.
9262 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
9263 (TARGET_SWITCHES): Add "big-switch".
9264 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
9265 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
9266 (CASE_DROPS_THROUGH): Comment out.
9267 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
9268 * v850.md (cmpsi): Delete compare mode.
9269 (casesi): New pattern.
9271 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
9272 * v850.md (ashlsi3): Use SImode not QImode for shift count.
9273 (lshrsi3): Likewise.
9275 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
9276 unreachable switch statement after 'b' support. Remove "b" from
9277 strings for 'b' support.
9278 * v850.md (branch_normal, branch_invert): Change %b to b%b.
9280 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
9282 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
9283 empty line if @inhibit_libc@ is empty.
9285 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
9287 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
9288 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
9289 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9290 (DWARF2_UNWIND_INFO): Let this track object file format.
9291 (EXTRA_SECTIONS): Add in_eh.
9292 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
9293 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9295 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9297 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
9298 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
9300 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
9301 (output_double_int): Output DI mode values correctly when
9302 HOST_BITS_PER_WIDE_INT is 64.
9303 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
9304 fmovd so it works if a quad float ends up in one of the upper 32
9306 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
9307 necessary for PIC support on sparc64.
9309 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
9311 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9312 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
9313 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
9314 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
9315 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
9316 (SPARC_FP_ARG_FIRST): New macro.
9317 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
9318 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
9319 (NPARM_REGS): There are 32 fp argument registers now.
9320 (FUNCTION_ARG_REGNO_P): Likewise.
9321 (FIRST_PARM_OFFSET): Update to new v9 abi.
9322 (REG_PARM_STACK_SPACE): Define for arch64.
9323 (enum sparc_arg_class): Delete.
9324 (sparc_arg_count,sparc_n_named_args): Delete.
9325 (struct sparc_args): Redefine and use for arch32 as well as arch64.
9326 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
9327 (FUNCTION_ARG_ADVANCE): Rewrite.
9328 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
9329 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
9330 (FUNCTION_ARG_CALLEE_COPIES): Delete.
9331 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
9332 (STRICT_ARGUMENT_NAMING): Define.
9333 (doublemove_string): Declare.
9334 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
9335 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
9336 (doublemove_string): New function.
9337 (output_move_quad): Clean up some of the arch64 support.
9338 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
9339 Don't add 8 bytes of reserved space if arch64.
9340 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
9341 (init_cumulative_args): New function.
9342 (function_arg_slotno): New static function.
9343 (function_arg,function_arg_partial_nregs): New functions.
9344 (function_arg_{pass_by_reference,advance}): New functions.
9345 (function_arg_padding): New function.
9346 * ginclude/va-sparc.h: Rewrite v9 support.
9348 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
9350 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
9351 for hard regs to determine base and index registers.
9353 * reload.c (debug_reload_to_stream): New function. Specify stream
9354 into which to write debug info.
9355 (debug_reload): Modify to call debug_reload_to_stream with stderr.
9357 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
9359 * combine.c (can_combine_p): Don't combine with an asm whose
9360 output is a hard register.
9362 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
9364 * c-decl.c (start_struct): Ensure that structs with forward
9365 declarations are in fact packed when -fpack-struct is given.
9367 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
9368 we are packing a structure. This allows a structure with only
9369 bytes to be aligned on a byte boundary and have no padding on a
9372 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9374 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
9376 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
9378 * alpha.c (alpha_return_addr_rtx): New variable.
9379 (alpha_save_machine_status): New; save it.
9380 (alpha_restore_machine_status): New; restore it.
9381 (alpha_init_expanders): New; clear it.
9382 (alpha_return_addr): New; set it.
9383 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
9384 is overly conservative, so search the insns explicitly.
9385 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
9386 (alpha_sa_size [VMS && !VMS]): Likewise.
9387 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
9388 (INIT_EXPANDERS): New definition.
9390 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
9391 (output_prolog [!VMS]): Use them.
9393 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
9394 (alpha_does_function_need_gp): ... a new function. Refine the
9395 CALL_INSN test to just TYPE_JSR.
9396 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
9398 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
9400 * version.c: Bump for snapshot.
9402 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9404 * pa.c (move_operand): Respect -mdisable-indexing.
9405 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
9407 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
9409 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
9411 (umulsidi3,umulsi3_highpart): Ditto.
9412 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
9414 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
9416 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
9417 (alpha_handle_trap_shadows): ... a new function. Handle the entire
9418 function in one go. Emit RTL for trapb, instead of printf directly.
9419 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
9420 (trap_pending): Kill global variable.
9421 (output_epilog): Don't call final_prescan_insn.
9422 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
9423 * alpha.h (FINAL_PRESCAN_INSN): Remove.
9424 (MACHINE_DEPENENT_REORG): Define.
9425 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
9428 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
9430 Tune Haifa scheduler for Alpha:
9431 * alpha.h (ISSUE_RATE): Define.
9432 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
9433 EV4 adjustments to EV5.
9434 * alpha.md: Remove all scaling from function unit delays. Rework
9435 EV5 function units to match the CPU.
9436 (umuldi3_highpart): EV5 added the IMULH insn class.
9438 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
9440 * pa.c (following_call): Fail if the CALL_INSN is an indirect
9443 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
9445 * cplus-dem.c (demangle_signature): Don't look for return types on
9446 constructors. Handle member template constructors.
9448 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
9450 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
9451 * tree.h: Declare them.
9453 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
9455 * configure.in: Handle --with-newlib.
9456 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
9458 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
9460 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
9462 * config/ptx4.h: Fix typo.
9464 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
9466 * version.c: Bump for snapshot.
9468 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
9470 * aclocal.m4: Substitute INSTALL.
9471 * configure: Re-built.
9473 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
9475 * integrate.c (save_for_inline_copying): Avoid undefined pointer
9477 (expand_inline_function): Likewise.
9479 * dwarf2out.c (output_call_frame_info): Reinstate last change
9480 using flag_debug_asm check instead of flag_verbose_asm.
9482 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
9484 * dwarf2out.c (output_call_frame_info): Remove last change.
9486 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9488 * frame.c (__frame_state_for): Execute the FDE insns until the
9489 current pc value is strictly bigger than the target pc value.
9491 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9493 * regclass.c (init_reg_modes): If we can't find a mode for the
9494 register, use the previous one.
9496 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9498 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9499 don't sprintf through an alloca'ed buffer.
9501 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9503 * reload.c (decompose): Always initialize val.base.
9505 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9507 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9508 instead of aborting.
9509 * dwarf2out.c (output_call_frame_info): Call app_enable and
9510 app_disable to let GNU as accept the generated comments.
9512 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9514 * tree.h (get_file_function_name): Add declaration.
9515 * dwarf2out.c (output_call_frame_info): No need to cast
9516 get_file_function_name call anymore.
9517 * profile.c (toplevel): Remove get_file_function_name
9519 * c-lang.c (finish_file): Ditto.
9521 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9523 * Makefile.in (program_transform_name): Let autoconf substitute
9526 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9528 * haifa-sched.c (schedule_block): If the first real insn in a
9529 block has any special notes attached to it, remove them.
9531 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9533 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9535 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9537 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9539 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9541 * Makefile.in (check-g77): New test target.
9542 (CHECK-TARGETS): Add check-g77.
9544 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9546 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9548 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9550 * flow.c (print_rtl_with_bb): Cast alloca return value for
9553 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9555 * i386.h (RETURN_ADDR_RTX): New definition that works for
9556 __builtin_return_address(0) and -fomit-frame-pointer.
9558 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9560 Bring over from FSF.
9561 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9563 * mips.c (function_arg): Handle passing a struct
9564 containing a double in a DFmode register without the PARALLEL.
9566 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9568 * pexecute.c: Use spawn if __CYGWIN32__.
9570 * pexecute.c: Include "config.h" first, as per autoconf manual
9571 (from Paul Eggert <eggert@twinsun.com>).
9573 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9575 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9576 optimisation for f/expr.o and f/stb.o.
9578 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9580 * cse.c (this_insn_cc0_mode): Initialize.
9582 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9584 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9586 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9588 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9590 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9591 that pair will dual-issue on the 21164 and plus+beq won't.
9592 (bne): Likewise for cmpeq+beq.
9594 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9596 * except.c (find_exception_handler_labels): Correct argument to free.
9598 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9600 * except.c (find_exception_handler_labels): Free LABELS when we're
9603 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9605 * version.c: Bump for snapshot.
9607 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9609 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9612 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9614 * configure.in: Substitute for "install" too.
9615 * configure: Rebuilt.
9617 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9619 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9621 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9623 * alias.c (base_alias_check): Two symbols can conflict if they
9624 are accessed via AND.
9625 (memrefs_conflict_p): Likewise.
9627 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9628 after flushing argument registers to the stack.
9630 * Makefile.in (mostlyclean): Remove .regmove files.
9632 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9634 * libgcc2.c (__throw): Fix thinko.
9636 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9638 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9639 template-function mangling.
9640 (consume_count_with_underscores): New function.
9641 (demangle_signature): Handle new name-mangling scheme.
9643 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9645 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9648 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9650 * frame.c: Remove last change.
9651 * dwarf2.h: Remove last change.
9652 * tree.h: Add declarations of DWARF2 unwind info support
9655 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9657 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9658 * tree.h (built_in_function): Likewise.
9659 * expr.c (expand_builtin): Likewise.
9660 * except.h: Likewise.
9661 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9662 * libgcc2.c (copy_reg): New fn.
9665 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9667 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9668 unsigned if -W is specified and -Wno-sign-compare is not.
9669 * c-decl.c (warn_sign_compare): Initialize to -1.
9670 (c_decode_option): -Wall no longer implies -Wsign-compare.
9672 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9674 * frame.c: Include gansidecl.h for PROTO.
9675 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9676 defined. Don't declare dwarf2out_cfi_label here.
9677 * dwarf2.h: Add declarations of DWARF2 unwind info support
9679 * m68k.c: Include dwarf2.h.
9680 (output_function_prologue): Add dwarf2 support.
9681 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9682 (INCOMING_FRAME_SP_OFFSET): Likewise.
9684 * integrate.c (expand_inline_function): Make sure there is at
9685 least one insn that can be used as an insertion point.
9687 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9689 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9691 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9693 * version.c: Bump for snapshot.
9695 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9697 Bring over from FSF.
9699 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9701 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9702 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9703 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9705 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9707 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9708 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9710 (sparc_align_{loops,jumps,funcs}_string): Declare.
9711 (sparc_align_{loops,jumps,funcs}): Declare.
9712 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9713 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9714 (STACK_BIAS): Define.
9715 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9717 (SPARC_SETHI_P): New macro.
9718 (CONST_OK_FOR_LETTER_P): Use it.
9719 (ASM_OUTPUT_ALIGN_CODE): Define.
9720 (ASM_OUTPUT_LOOP_ALIGN): Define.
9721 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9722 (sparc_align_{loops,jumps,funcs}): New globals.
9723 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9725 (move_operand): Use SPARC_SETHI_P.
9726 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9728 (arith11_double_operand): Likewise.
9729 (arith10_double_operand): Likewise.
9730 (finalize_pic): Finish sparc64 support.
9731 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9732 64 bit constants if able.
9733 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9734 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9736 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9737 (get_pc_sp32): Use for sparc64 as well.
9738 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9739 (sethi_di_sp64_const): Likewise.
9740 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9741 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9742 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9744 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9746 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9747 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9748 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9750 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9752 Add sparc64 linux support.
9753 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9754 to xm_file list on 32-bit sparc-linux.
9755 * sparc/xm-sp64.h: New file.
9756 * sparc/linux64.h: New file.
9757 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9758 Don't include xm-sparc.h.
9759 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9760 * glimits.h (LONG_MAX): Handle sparc64.
9762 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9764 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9765 * sparc.h (ASM_COMMENT_START): Define.
9766 * sparc.c (output_function_prologue): Use it.
9767 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9769 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9771 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9772 use sparc.h's copies.
9773 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9776 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9778 * sparc.c (dwarf2out_cfi_label): Add declaration.
9779 (save_regs, output_function_prologue): Remove cast for it.
9780 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9781 ({save,restore}_regs): No longer inline.
9783 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9785 * fold-const.c (make_range): Correctly handle cases of converting
9786 from unsigned to signed type.
9788 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9790 * fold-const.c (merge_ranges): Make sure that if one range is subset
9791 of another, it will always be the second range. Correct (+,-) case to
9794 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9796 * final.c (final_end_function): Also do dwarf2 thing if
9797 DWARF2_DEBUGGING_INFO.
9798 (final_start_function): Likewise.
9800 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9802 * expmed.c (expand_divmod): If compute_mode is not the same as
9803 mode, handle the case where convert_modes() causes op1 to no
9804 longer be a CONST_INT.
9806 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9807 note holding get_jump_flags() calculation to all JUMP_INSNs.
9808 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9809 * rtl.c (reg_note_name): Add new note types.
9811 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9813 * rtlanal.c (computed_jump_p): Fix typo in last change.
9815 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9817 * loop.c (indirect_jump_in_function_p): Return 0
9820 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
9822 * rs6000/xm-rs6000.h: Fix thinko in last change.
9823 * rs6000/xm-sysv4.h: Likewise.
9825 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
9827 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
9829 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
9831 * reg-stack.c (find_blocks): Fix thinko in last change.
9833 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9835 * m68k.c (output_function_prologue): Add dwarf2 support.
9837 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
9838 INCOMING_FRAME_SP_OFFSET): New definitions.
9840 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9842 * combine.c (try_combine): Use NULL_RTX instead of '0' where
9843 appropriate in calls to gen_rtx().
9844 * cse.c (cse_main): Likewise.
9845 * emit-rtl.c (gen_label_rtx): Likewise.
9846 * expr.c (init_expr_once): Likewise.
9847 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
9848 sched_analyze, init_rgn_data_dependences,
9849 compute_block_backward_dependences): Likewise.
9850 * sched.c (schedule_insns): Likewise.
9851 * varasm.c (immed_double_const): Likewise.
9853 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
9854 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
9856 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
9858 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
9859 (MULTILIB_DEFAULTS): Define.
9860 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
9861 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
9862 (LIBGCC_SPEC): Likewise.
9863 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
9864 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
9865 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
9866 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
9867 (EXTRA_PARTS, TAROUTOPTS): Delete.
9868 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
9869 (MULTILIB_OPTIONS): Define.
9870 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
9871 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
9873 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
9875 * version.c: Bump for snapshot.
9877 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
9879 * loop.c (loop_number): Delete function. Change all references
9880 to use uid_loop_num array.
9881 * loop.h (loop_number): Delete declaration.
9882 * unroll.c (unroll_loop): Change "loop_number" references to
9883 use uid_loop_num instead.
9885 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
9887 (loop_unroll_iter): Remove unused variable and all references.
9888 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
9889 (insert_bct): Fix minor formatting problems.
9890 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
9891 (loop_unroll_iter): Removed unused decl.
9892 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
9893 Always record the unrolling factor.
9895 * cse.c (simplify_relational_operation): Set h0u just like h0s.
9896 Similarly for h1u and h1s.
9898 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
9899 (find_basic_blocks): Use computed_jump_p to determine if a
9900 particular JUMP_INSN is a computed jump.
9901 * reg-stack.c (find_blocks): Use computed_jump_p to determine
9902 if a particular JUMP_INSN is a computed jump.
9903 * rtlanal.c (jmp_uses_reg_or_mem): New function.
9904 (computed_jump_p): Likewise.
9905 * rtl.h (computed_jump_p): Declare.
9906 * genattrtab.c (pc_rtx): Define and initialize.
9907 * loop.c (loop_optimize): Always determine if the current
9908 function has a computed jump.
9909 (indirect_jump_in_function_p): Use computed_jump_p to determine
9910 if a particular JUMP_INSN is a computed jump.
9912 * loop.c (fix_bct_param): Delete unused function.
9913 (check_bct_param): Likewise.
9915 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9917 * frame.c (__deregister_frame): Check properly for initialized object.
9919 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9921 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
9923 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9925 * jump.c (thread_jumps): check can_reverse_comparison_p before
9926 threading a reversed-condition jump.
9928 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
9929 * haifa-sched.c (update_flow_info): Likewise.
9931 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
9933 * Makefile.in (BOOT_CFLAGS): Use -O2.
9935 * configure.in (strtoul, bsearch): Have autoconf check for these
9937 * configure, config.in: Rebuilt.
9939 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
9940 * mips/mips.h (alloca): Likewise.
9941 * rs6000/xm-rs6000.h (alloca): Likewise.
9942 * rs6000/xm-sysv4.h: Likewise.
9944 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
9946 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
9947 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
9948 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
9950 * except.c (end_eh_unwinder): Subtract 1 from return address.
9951 * libgcc2.c (__throw): Likewise.
9952 (find_exception_handler): Don't change PC here. Compare end with >.
9954 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
9956 * v850.c (compute_register_save_size): Correct register
9958 * v850.md (save_interrupt, return_interrupt): Correct
9960 * v850/lib1funcs.asm (save_interrupt): Correct register number.
9961 (return_interrupt): Use stack pointer, not element pointer.
9963 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
9965 * configure.in, configure: Make sure to create the stage* and include
9966 symbolic links in each subdirectory.
9968 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
9970 * pa.md (reload_peepholes): Don't allow addresses with side
9971 effects for the memory operand.
9973 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9975 * libgcc2.c (find_exception_handler): Subtract one from our PC when
9976 looking for a handler, to avoid hitting the beginning of the next
9979 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
9981 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
9983 * mips/abi64.h (LONG_MAX_SPEC): Define.
9984 * mips.h (LONG_MAX_SPEC): Define.
9985 (CPP_SPEC): Include long_max_spec.
9986 (EXTRA_SPECS): Include long_max_spec.
9988 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
9990 * v850.c (construct_save_jarl): Fix thinko in last change.
9992 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
9994 * version.c: Bump for snapshot.
9996 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9998 * libgcc2.c (find_exception_handler): Not found is -1.
10000 * integrate.c (expand_inline_function): Move expand_start_bindings
10001 after expanding the arguments.
10003 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
10005 * expr.c (expand_expr): Remove previous incorrect change.
10006 If target and slot has no DECL_RTL, then call mark_addressable
10007 again for the slot after we give it RTL.
10009 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
10011 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10012 again for the slot after we give it RTL.
10014 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
10016 * v850.c (register_is_ok_for_epilogue,
10017 pattern_is_ok_for_epilogue, construct_restore_jr,
10018 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
10020 * v850.h (pattern_is_ok_for_prologue,
10021 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
10024 * v850.md: Replace prologue and epilogue patterns with a
10025 match_parallel pattern.
10027 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
10029 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
10030 * configure.in: Use EGCS_PROG_INSTALL.
10032 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
10034 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
10035 extern inline function.
10037 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
10039 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
10040 (concat_loc_descriptor): New function.
10041 (loc_descriptor): Call it.
10042 (add_AT_location_description): Also elide the descriptor if both
10043 halves of a CONCAT are pseudos.
10044 (add_location_or_const_value_attribute): Recognize CONCAT too.
10046 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
10048 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
10050 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
10051 out-or-range reg_offset.
10052 (output_epilog): Likewise.
10054 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
10056 * cse.c (simplify_relational_operation): If MODE specifies a
10057 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
10058 is derived from the sign bit of the low word.
10060 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10062 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
10064 * dwarf2.h: Add DW_CFA_GNU_args_size.
10065 * frame.c (execute_cfa_insn): Likewise.
10066 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
10067 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
10068 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
10069 insn, hand it off to dwarf2out_stack_adjust.
10070 (dwarf2out_begin_prologue): Initialize args_size.
10071 * frame.h (struct frame_state): Add args_size.
10072 * libgcc2.c (__throw): Use args_size.
10073 * final.c (final_scan_insn): If we push args, hand off all insns
10074 to dwarf2out_frame_debug.
10075 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
10077 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
10078 Handle epilogue restore of SP from FP.
10079 * emit-rtl.c (gen_sequence): Still generate a sequence if the
10080 lone insn has RTX_FRAME_RELATED_P set.
10082 * frame.c (extract_cie_info): Handle "e" augmentation.
10083 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
10084 absence of UNALIGNED_*_ASM_OP.
10085 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
10086 (output_call_frame_info): Use "e" instead of "z" for augmentation.
10087 Don't emit augmentation fields length.
10088 (dwarf2out_do_frame): Move outside of #ifdefs.
10089 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
10092 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
10093 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
10094 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
10095 * sparc/sun4gas.h: New file.
10096 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
10098 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
10099 __register_frame_table and __deregister_frame.
10101 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
10103 * except.c (find_exception_handler_labels): Use xmalloc instead of
10104 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
10107 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
10109 * Makefile.in: Various changes to build info files
10110 in the object tree rather than the source tree.
10112 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
10114 * fixinc.math: New file to fix math.h on some systems.
10115 * configure.in (freebsd, netbsd): Use fixinc.math on these
10117 * configure: Rebuilt.
10119 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
10121 * regmove.c (regmove_optimize): If we end up moving the
10122 original insn due to lifetime overlaps, make sure to move
10125 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
10127 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
10129 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
10131 * haifa-sched.c (add_branch_dependences): Make each insn in
10132 a SCHED_GROUP_P block explicitly depend on the previous insn.
10134 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
10136 * except.h: Prototype dwarf2 hooks.
10139 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
10141 * configure.in (native_prefix): Delete.
10142 (mips-dec-netbsd): Don't set prefix.
10143 (*linux*): Don't set prefix.
10145 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
10147 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
10148 defined. If not defined, include <sys/varargs.h> if
10149 HAVE_SYS_VARARGS_H is defined.
10150 * configure.in: Test for varargs.h and sys/varargs.h.
10151 * configure: Regenerate with autoconf.
10152 * config.in: Regenerate with autoheader.
10154 * cpplib.c (quote_string): Cast first arg of sprintf call
10155 from "unsigned char *" to "char *".
10156 (output_line_command): Ditto.
10157 (macroexpand): Ditto.
10158 (do_line): Cast atoi arg from "unsigned char *" to "char *".
10160 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
10162 * version.c: Bump for snapshot.
10164 * Makefile.in (compare): Exit with nonzero status if there
10165 are comparison failures. Note which files failed the
10166 comparison test in .bad_compare.
10168 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10170 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
10172 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
10174 * Makefile.in (LN, LN_S): New macros, use where appropriate.
10175 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
10176 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
10177 * configure: Regenerated.
10179 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
10181 * loop.c (strength_reduce): Fix typo.
10183 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
10185 * m88k/m88k.c (struct option): Rename to struct options.
10186 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
10187 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
10188 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
10189 __DOLPHIN__ or sysV88.
10191 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
10193 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
10196 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
10198 * config.sub: Accept 'amigados' for backward compatability.
10200 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10202 * Makefile.in (testsuite/site.exp): New target.
10203 (check-gcc, check-g++): Depend on testsuite/site.exp.
10204 Don't stop for failure.
10206 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
10208 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
10209 if DWARF2_UNWIND_INFO.
10211 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
10213 Add support for exception handling using DWARF 2 frame unwind info.
10214 Currently works on SPARC and MIPS, and almost on x86.
10216 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
10217 next_stack_level, in_reg_window): Helper fns.
10218 (__throw): Implement for DWARF2_UNWIND_INFO.
10220 * expr.c (expand_builtin): Handle builtins used by __throw.
10221 * tree.h (enum built_in_function): Add builtins used by __throw.
10222 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
10223 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
10224 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
10225 (expand_builtin_extract_return_addr): Likewise.
10226 (expand_builtin_frob_return_addr): Likewise.
10227 (expand_builtin_set_return_addr_reg): Likewise.
10228 (expand_builtin_eh_stub): Likewise.
10229 (expand_builtin_set_eh_regs): Likewise.
10230 (eh_regs): Choose two call-clobbered registers for passing back values.
10232 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
10233 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
10234 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
10235 (stmp-multilib): Likewise.
10236 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
10238 * except.c: #include "defaults.h".
10239 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
10240 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
10241 (register_exception_table_p): New fn.
10242 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
10243 (end_eh_unwinder): Likewise.
10245 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
10246 call __register_frame and __deregister_frame as needed.
10247 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
10248 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
10249 EH_FRAME_SECTION_ASM_OP.
10250 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
10251 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
10252 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
10254 * dwarf2out.c (output_call_frame_info): If no support for
10255 EXCEPTION_SECTION, mark the start of the frame info with a
10257 * collect2.c (frame_tables): New list.
10258 (is_ctor_dtor): Recognise frame entries.
10259 (scan_prog_file): Likewise.
10260 (main): Pass -fno-exceptions to sub-compile. Also do collection
10261 if there are any frame entries.
10262 (write_c_file_stat): Call __register_frame_table and
10263 __deregister_frame as needed.
10264 (write_c_file_glob): Likewise.
10266 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
10267 Also require unaligned reloc support.
10268 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
10269 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
10270 * sparc/sysv4.h: Not here.
10272 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
10273 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
10274 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
10276 * libgcc2.c (L_eh): Reorganize, moving code shared by different
10277 EH implementations to the top.
10278 (find_exception_handler): Split out. Start from 0. Compare against
10280 (__find_first_exception_table_match): Use it.
10281 * except.c (output_exception_table): Don't do anything if there's
10282 no table. Don't output a first entry of zeroes.
10283 (eh_outer_context): Adjust properly.
10284 (add_eh_table_entry): Use xrealloc.
10285 * toplev.c (compile_file): Just call output_exception_table.
10287 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
10289 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
10291 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
10293 * except.c (eh_outer_context): Do masking using expand_and.
10295 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
10297 Add port done awhile ago for the ARC cpu.
10298 * arc/arc.h: New file.
10299 * arc/arc.c: New file.
10300 * arc/arc.md: New file.
10301 * arc/initfini.c: New file.
10302 * arc/lib1funcs.asm: New file.
10303 * arc/t-arc: New file.
10304 * arc/xm-arc.h: New file.
10305 * ginclude/va-arc.h: New file.
10306 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
10307 * ginclude/varargs.h: Likewise.
10308 * Makefile.in (USER_H): Add va-arc.h.
10309 * configure.in (arc-*-elf*): Recognize.
10310 * longlong.h: Add ARC support.
10312 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
10314 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
10315 when clearing non-BLKmode data.
10317 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
10319 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
10320 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
10322 * xm-m88k.h (USG): Only define if it hasn't already been defined.
10324 * Makefile.in (risky-stage1): Delete gratutious whitespace.
10326 * Makefile.in (clean): Delete libgcc1-test.
10328 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
10330 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
10332 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
10335 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10337 * dwarf2out.c (output_call_frame_info): Call named_section.
10339 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
10341 * haifa-sched.c (print_value): Fix last change.
10343 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
10345 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
10348 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10350 * mips.c (function_prologue): Set up the CFA when ABI_32.
10352 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
10353 for dwarf2 unwind info.
10354 (output_function_prologue, sparc_flat_output_function_prologue): Same.
10356 * final.c (final_end_function): Check dwarf2out_do_frame instead
10357 of DWARF2_DEBUG for dwarf2 unwind info.
10358 (final_scan_insn): Likewise.
10359 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
10362 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
10365 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
10367 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
10369 * v850.h (ASM_SPEC): Pass on target processor.
10370 (CPP_PREDEFINES): Only define if not already specified.
10371 (TARGET_VERSION): Only define if not already specified.
10372 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
10374 (EXTRA_SWITCHES): Extra entries in the switches array.
10375 (TARGET_DEFAULT): Set default target processor.
10377 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
10379 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
10380 cases, add %# and %/, and add : to make them into extended asms.
10382 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
10384 * alias.c (init_alias_analysis): Clean up incompatible pointer
10385 type warning in bzero.
10386 * regmove.c (regmove_optimize): Ditto.
10387 * haifa-sched.c (find_rgns): Ditto.
10389 * haifa-sched.c (print_value): Clean up ptr->int cast
10392 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
10394 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
10395 * install.texi (Configurations): Ditto.
10396 * config.sub: Ditto.
10398 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
10400 * Makefile.in (sdbout.o): Depend on insn-config.h.
10402 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
10404 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
10405 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
10407 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
10409 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
10410 prologue insn, only the first elt is significant.
10411 (output_call_frame_info): For exception handling, always use 4-byte
10412 fields as specified by the dwarf2 spec.
10413 Don't skip trivial FDEs.
10415 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
10417 * version.c: Bump for snapshot.
10419 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
10421 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
10422 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
10425 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
10427 * final.c (shorten_branches): During first pass, assume worst
10428 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
10430 * Makefile.in (distclean): Remove various things left around
10431 by running the testsuite.
10433 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
10435 * configure.in (out_file): Emit definition to config.status in order
10436 to have a defined value for configure.lang.
10437 * configure: Re-built.
10439 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
10441 * configure.in: Make symlink to as-new rather than as.new. Similarly
10443 * configure: Rebuilt.
10445 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
10447 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
10449 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
10451 * sparc/sparc.md: Add ultrasparc scheduling support.
10452 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
10454 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10456 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
10457 as initial value for real_label_map.
10458 (copy_for_inline): Likewise.
10460 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10462 * sched.c (update_flow_info) When looking if to set found_split_dest
10463 or found_orig_dest, look at all parts of a PARALLEL.
10464 * haifa-sched.c (update_flow_info): Likewise.
10466 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
10468 * v850: New directory for v850 port.
10469 * v850/lib1funcs.asm: New file.
10470 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
10471 * ginclude/va-v850.h: New file.
10472 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
10473 * configure.in (mn10200-*-*): New target.
10474 * configure: Rebuilt.
10475 * config.sub: Handle v850-elf.
10476 * Makefile.in (USER_H): Add va-mn10200.h.
10477 * invoke.texi: Document v850 stuff.
10479 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
10481 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
10482 has integer TYPE_{MAX,MIN}_VALUE before using them.
10484 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
10485 __HPUX_ASM__ versions.
10487 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10489 * install.sh: Delete duplicate install script.
10491 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10493 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10494 computed goto which sets the same stack register.
10496 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10497 destination are both on the regstack.
10498 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10500 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10502 * mips.md (nonlocal_goto_receiver): Define.
10504 * profile.c (output_arc_profiler): Check next_insert_after for non
10505 NULL before deferencing it.
10507 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10509 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10511 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10513 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10515 * toplev.c (rest_of_compilation): For passes starting with
10516 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10518 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10521 * flow.c (print_rtl_with_bb): Print which insns start and end
10522 basic blocks. For the start of a basic block, also print the live
10525 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10527 * toplev.c (main): Change #elif to #else/#ifdef
10529 * tlink.c: Include ctype.h.
10530 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10532 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10534 * bitmap.c: Conditionally include stdlib.h.
10535 (free): Provide a declaration if NEED_DECLARATION_FREE.
10537 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10539 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10541 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10543 * profile.c (output_arc_profiler): Verify next_insert_after is an
10544 INSN before and after skipping a stack pop.
10546 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10548 * final.c (shorten_branches): Don't count the lengths of deleted
10551 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10553 * version.c: Bump for snapshot.
10555 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10557 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10558 two bitmaps ANDed together.
10559 (bitmap_print): Declare.
10561 * bitmap.c (function_obstack): Don't declare any more.
10562 (bitmap_obstack): Obstack for allocating links from.
10563 (bitmap_obstack_init): New static to say whether to initialize
10565 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10566 (bitmap_release_memory): Free all memory allocated from
10569 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10570 EXECUTE_IF_AND_IN_BITMAP.
10572 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10574 * alias.c (true_dependence): Address with AND can alias scalars.
10575 (anti_dependence, output_dependence): Likewise.
10577 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10579 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10581 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10582 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10583 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10584 definitions. Use -qrtems instead of -mrtems.
10586 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10588 * xm-sco5.h (sys_siglist): Define.
10589 (SYS_SIGLIST_DECLARED): Likewise.
10591 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10593 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10595 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10597 * except.c (eh_outer_context): Expand masking operation using
10600 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10602 * alpha.md (floatdisf2-1): New pattern.
10604 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10606 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10607 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10608 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10609 * gcc.texi: Note that if you define sys_siglist that you should
10610 also define SYS_SIGLIST_DECLARED.
10612 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10613 are relative to the next instruction, not the current instruction.
10615 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10617 * local-alloc.c (contains_replace_regs): New function.
10618 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10619 verify that there is no existing REG_EQUIV note, and add a call to
10620 contains_place_regs.
10622 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10624 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10625 (STARTFILE_SPEC): Always use crtbegin.o%s
10626 (ENDFILE_SPEC): Always use crtend.o%s.
10628 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10630 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10632 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10633 SFmode for 64 bit hosts.
10635 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10637 * fixincludes: Permits spaces between # and define. Discard C++
10638 comments in sys/pci.h on HP/UX 10.20.
10640 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10642 * version.c: Bump for snapshot.
10644 * pa.c (restore_unscaled_index_insn_codes): New function.
10645 (record_unscaled_index_insn_codes): Likewise.
10646 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10647 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10648 (pa_reorg): Call record_unscaled_index_insn_codes.
10650 * haifa-sched.c (move_insn): Handle notes correctly for insns
10651 with SCHED_GROUP_P set.
10653 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10655 * alpha/xm-linux.h (USE_BFD): Undef before define.
10657 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10659 * cse.c (cse_insn): Don't record BLKmode values.
10661 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10663 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10665 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10667 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10668 * collect2.c (sys_errlist): Likewise.
10669 * cpplib.c (sys_errlist): Likewise.
10670 * gcc.c (sys_errlist): Likewise.
10671 * protoize (sys_errlist): Likewise.
10672 * configure.in: Check for strerror.
10673 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10674 * xm-gnu.h (HAVE_STRERROR): Likewise.
10675 * xm-linux.h (HAVE_STRERROR): Likewise.
10676 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10677 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10678 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10679 * xm-dos.h (HAVE_STRERROR): Likewise.
10680 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10681 * xm-pa.h (HAVE_STRERROR): Likewise.
10682 * xm-papro.h (HAVE_STRERROR): Likewise.
10683 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10684 * configure, config.in: Rebuilt.
10686 * Makefile.in: Add several missing "else true" clauses.
10688 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10689 * mips-tfile.c: Likewise.
10690 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10691 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10692 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10693 * configure.in: Check for sys_siglist declaration.
10694 * configure, config.in: Rebuilt.
10696 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10698 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10699 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10700 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10701 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10702 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10703 macro EXTRA_SUBTARGET_SWITCHES.
10704 * configure.in (sh*-*-rtems*): New target.
10705 * sh/rtems.h: New file.
10706 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10707 * configure: Rebuilt.
10709 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10711 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10713 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10715 * rs6000.md: Make DF fused-add operations pay attention to
10718 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10720 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10722 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10724 * pa.md (reload_peepholes): Make sure operand is a REG before
10725 examining REGNO. Allow general registers too.
10727 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10729 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10731 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10733 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10734 to reallocate abbrev_die_table.
10736 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10738 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10740 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10742 * Makefile.in (config.status): Depend on version.c
10744 * expr.h (insn_gen_function): Reenable prototype.
10746 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10749 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10751 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10753 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10755 * version.c: Bump for latest snapshot.
10757 * bc-optab.c: Conditionally include stdlib.h.
10758 (free): Provide a declaration if NEED_DECLARATION_FREE.
10759 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10760 * rtl.h (free): Remove declaration.
10761 * tree.h (free): Remvoe declaration.
10763 * configure: Rebuilt.
10765 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10767 * flags.h (flag_move_all_movables): Declare.
10768 (flag_reduce_all_givs): Likewise.
10769 * loop.c (move_movables): Handle flag_move_all_movables.
10770 (strength_reduce): Handle flag_reduce_all_givs.
10771 * toplev.c (flag_move_all_movables): Define.
10772 (flag_reduce_all_givs): Likewise.
10773 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10774 * invoke.texi: Document new options, including alias stuff that
10775 wasn't included last time.
10777 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10779 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10780 * t-mn10200: Ditto.
10781 * t-vxsparc: Ditto.
10782 * t-vxworks68: Ditto.
10783 * t-vxworks960: Ditto.
10786 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10788 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10789 if not already defined, and USE_C_ALLOCA not defined.
10791 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10793 * config.guess: Replace with script that uses ../config.guess.
10795 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10796 if USE_GNULIBC_1 is not defined.
10798 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10800 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10801 * config.guess: Recognize alpha-linux-gnulibc1.
10802 * configure.in (alpha-*-linux-gnulibc1): New target.
10803 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10805 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10807 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10810 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10812 * loop.c (combine_movables): Earlier insns don't match later ones.
10814 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10816 * config/linux.h (CC1_SPEC): Define it only if not defined.
10818 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
10821 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
10822 USE_GNULIBC_1 is not defined.
10824 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
10826 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
10827 as 1 if USE_GNULIBC_1 is not defined.
10829 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
10831 * reorg.c (dbr_schedule): Allow current_function_return_rtx
10832 to be something other than a REG.
10833 * function.c (expand_function_end): Fix current_function_return_rtx
10834 if it was a pseudo.
10836 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
10837 * x-netbsd: Likewise
10838 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
10839 (INSTALL_HEADERS): Delete.
10840 * x-dguxbcs: Likewise.
10841 * x-hp3bsd44: Likewise
10844 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10846 * i386.md (pop): pop increments the stack pointer.
10847 (prologue_set_stack_ptr): New pattern.
10848 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
10851 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
10853 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
10854 address where an offsettable address is required.
10856 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
10858 * loop.c (check_final_value): Don't miss a biv increment in a
10861 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
10863 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
10864 TYPE_DECL_IS_STUB instead of DECL_NAME.
10866 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10868 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
10870 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
10872 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
10874 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
10876 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
10877 (find_post_sched_live): Likewise.
10879 * haifa-sched.c (schedule_block): Remove old code to get arguments
10880 from hard regs into pseudos early.
10882 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
10884 * version.c: Bump for new snapshot.
10886 * local-alloc.c (update_equiv_regs): All the target to reject
10887 promotion of some REG_EQUAL to REG_EQUIV notes.
10888 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
10890 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
10893 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
10894 store of the argument registers.
10896 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
10898 * fold-const.c (multiple_of_p): New function.
10899 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
10901 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
10903 * expr.h (insn_gen_function): Temporarily remove prototype.
10905 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
10907 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
10908 filenames. Use sed to extract base filename for install.
10910 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
10912 * unroll.c (find_splittable_givs): Only share if two givs have the
10913 same add and multiply values.
10915 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
10917 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
10918 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
10920 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
10922 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
10923 around branch tables.
10924 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
10925 and .end_brtab directives if TARGET_GAS.
10927 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
10929 * alias.c (true_dependence): Pass x_addr not x to varies.
10931 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
10932 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
10933 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
10935 * config.in, configure: Regenerate.
10937 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
10939 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
10941 (record_set): Handle LO_SUM like PLUS.
10942 (init_alias_analysis): When following chains of base addresses,
10943 do not stop on reaching a hard register.
10945 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
10947 * version.c: Bump for new snapshot.
10949 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
10951 * alpha.h (ARCH_ASM_FILE_START): Define.
10952 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
10953 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
10955 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
10957 * Makefile.in (install-common): Put gcov comment at start of line.
10959 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
10961 * alias.c (init_alias_analysis): When simplifying the reg_base_value
10962 array, simplify entries for hard registers too.
10964 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
10966 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
10969 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
10971 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
10972 block_stack before dereferencing it.
10974 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
10976 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
10978 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10980 * cplus-dem.c: Add 'extern' to prepends_underscore.
10982 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
10984 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
10985 (get_issue_rate): Delete.
10986 * pa.h (ISSUE_RATE): Define.
10988 * configure.in: Turn on haifa by default for the PA.
10989 * configure: Rebuilt.
10990 * pa.c (override_options): Accept -mschedule=7200 option.
10991 (pa_adjust_cost): No longer need to scale costs for newer
10993 * pa.h (enum processor_type): Add PROCESSOR_7200.
10994 * pa.md: Revamp scheduling parameters to work better with
10995 haifa. Add scheduling parameters for the 7200.
10997 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
10999 (schedule_block): When adjusting basic_block_{head,end}, account
11000 for movement of SCHED_GROUP_P insns too.
11002 * haifa-sched.c (debug_dependencies): Fix thinko.
11004 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
11005 (site.exp, check, check-g++, check-gcc): New targets.
11007 * haifa-sched.c: Make lots of variables static.
11009 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11011 * expr.h, real.h: Finish prototyping.
11013 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
11015 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
11016 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
11017 * reload1.c: Undo bugfix from Aug 11.
11019 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
11021 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
11022 quotes around the name.
11023 * configure: Regenerate.
11025 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
11027 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
11029 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
11031 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
11032 to sub-makes to avoid building more passes than the user might have
11033 requested on the command line.
11035 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
11037 * configure.in: Expurgate `broken_install' (install is
11040 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
11043 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
11045 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
11046 functions and declarations.
11047 (analyze_loop_iterations): Use condjump_p.
11048 (insert_bct): Likewise. Use exact_log2.
11050 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
11052 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
11053 (schedule_region): Likewise.
11054 (schedule_insns): Likewise.
11056 * PROJECTS: Update with Haifa stuff.
11058 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
11060 * version.c: Change the version string to look like:
11061 egcs-2.90.00 970814 (gcc2-970802 experimental).
11063 * loop.c (is_conditional_branch): Make definition match declaration.
11065 * gcc.c: Take out experimental snapshot warning message.
11067 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
11069 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
11070 print out the names of the notes. Print out the name of the insn
11071 that is not a note, and not an {,CALL_,JUMP_}INSN.
11073 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
11075 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
11076 again for the slot after we give it RTL.
11078 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
11080 * configure.in (haifa configury): Fix typo.
11081 * configure: Regenerate.
11083 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
11085 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
11087 * gcc.info*: Rebuilt.
11089 * COPYING.g77, README.g77: New files.
11090 * real.c (ereal_unto_float, ereal_unto_double): New functions.
11091 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
11092 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
11094 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
11096 * Integrate Haifa instruction scheduler.
11097 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
11098 to sched with $(SCHED_CFLAGS.
11099 * configure.in: Handle --enable-haifa.
11100 * configure: Rebuilt.
11101 * flags.h: Add new flags for haifa instruction scheduler.
11102 * genattrtab.c (expand_units): For haifa, don't subtract one
11103 when computing blockage.
11104 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
11105 (flag_schedule_speculative): Ditto.
11106 (flag_schedule_speculative_load): Ditto.
11107 (flag_schedule_speculative_load_dangerous): Ditto.
11108 (flag_schedule_reverse_before_reload): Ditto.
11109 (flag_schedule_reverse_after_reload): Ditto.
11110 (flag_branch_on_count_reg): Ditto.
11111 (f_options): Add Haifa switches.
11112 (main): Turn off some Haifa options if appropriate macro is
11113 defined. Process Haifa switches.
11114 * unroll.c (iteration_info): No longer static, since Haifa
11116 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
11117 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
11118 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
11119 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
11120 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
11121 storage for the Haifa scheduler.
11122 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
11124 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
11125 are defined, call analyze_loop_iterations and insert_bct to use
11127 (record_giv): Refine test for jumps out of loops if HAIFA is
11129 (analyze_loop_iterations): New function to identify if we can use
11131 (insert_bct): Insert countdown loop.
11132 (instrument_loop_bct): Low level code to insert countdown loop.
11133 (loop_number): Calculate UID of loop.
11134 (indirect_jump_in_function_p): Return true if an indirect jump is
11136 (is_power_of_2): Return true if value is a power of 2.
11137 (is_conditional_branch): Return true if insn is a conditional
11139 (fix_bct_param): Process -fbct-{min,max}-N switches.
11140 (check_bct_param): Return true if loop should be instrumented.
11141 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
11142 (loop_optimize): Initialize.
11143 (get_condition_for_loop): Ditto.
11144 * loop.c (strength_reduce): Inside of code that uses #ifdef
11145 HAVE_decrement_and_branch_on_count code, test it to make sure the
11147 (instrument_loop_bct): Ditto.
11148 * haifa-sched.c: New file.
11151 * Integrate regmove pass.
11152 * Makefile.in (OBJS): Add regmove.o
11153 (regmove.o): Add dependencies.
11154 * flow.c (find_use_as_address): No longer static.
11155 * rtl.h (find_use_as_address): Declare.
11156 * toplev.c (regmove_dump, flag_regmove): Define.
11157 (f_options): Add -fregmove.
11158 (regmove_dump_file, regmove_time): Define.
11159 (fatal_insn): Close the regmove dump file.
11160 (compile_file): Initialize regmove_time; open/close the regmove dump
11161 file as needed. Print regmove time as needed.
11162 (rest_of_compilation): Run regmove pass if requested, dump
11163 RTL after regmove if requested.
11164 (main): If -O2 or more, turn on regmove. Handle dump switches.
11165 * regmove.c: New file.
11167 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
11169 * Integrate tlink patch from jason@cygnus.com
11170 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
11171 (process_command): Increment n_switches for them. Don't discard
11172 their args. Validate them.
11173 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
11175 (process_command): Set include_prefixes from COMPILER_PATH.
11176 (main): Set COLLECT_GCC_OPTIONS sooner.
11177 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
11178 * tlink.c, hash.c, hash.h: New files.
11179 * Makefile.in (USE_COLLECT2): Always use collect2.
11180 (collect2): Depend on and link in hash.o and tlink.o.
11181 (tlink.o, hash.o): Add dependencies.
11183 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
11185 * Integrate alias analysis changes from jfc@mit.edu
11186 * Makefile.in (OBJS): Add alias.o
11187 (alias.o): Add dependencies.
11188 * alias.c: New file.
11189 * sched.c: Remove alias analysis code. It lives in alias.c now.
11190 (sched_analyze_2): Add new arguments to true_dependence.
11191 (schedule_insns): Always call init_alias_analysis.
11192 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
11193 mark return value from such functions as a pointer and keep track of
11194 them for alias analysis. If a return value from a function is a
11195 pointer, mark it as such.
11196 * combine.c (distribute_notes): Handle REG_NOALIAS.
11197 * cse.c (struct write_data): Delete. No longer needed.
11198 (invalidate): Don't call set_nonvarying_address_components anymore.
11199 Use true_dependence to decide if an entry should be removed from
11201 (invalidate_memory): Remove WRITES argument, simplify appropriately.
11203 (note_mem_written): Similarly for WRITE_PTR argument.
11204 (invalidate_from_clobbers): Similarly for W argument.
11205 (invalidate_for_call): Remove memory elements from the hash table.
11206 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
11207 (cse_rtx_varies_p): New function. Derived from old
11208 cse_rtx_addr_varies_p.
11209 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
11210 Don't call note_mem_written anymore. Stack pushes invalidate the stack
11211 pointer if PUSH_ROUNDING is defined. No longer need to call
11212 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
11213 (skipped_writes_memory): Remove variable.
11214 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
11215 (invalidate_skipped_block): Simplify for new alias analysis code.
11216 (cse_set_around_loop): Likewise.
11217 (cse_main): Call init_alias_analysis.
11218 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
11219 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
11220 (f_options): Add new alias checking arguments.
11221 (main): Set flag_alias_check when optimizing.
11222 * local_alloc (validate_equiv_mem_from_store): Add new arguments
11223 to true_dependence.
11224 (memref_referenced_p): Likewise.
11225 * loop.c (NUM_STORES): Increase to 30.
11226 (prescan_loop): Only non-constant calls set unknown_address_altered.
11227 (invariant_p): Add new arguments to true_dependence.
11228 (record_giv): Initialize unrolled and shared fields.
11229 (emit_iv_add_mult): Call record_base_value as needed.
11230 * loop.h (struct induction): Add unrolled and shared fields.
11231 * unroll.c (unroll_loop): Call record_base_value as needed.
11232 (copy_loop_body): Likewise.
11233 (final_biv_value): Likewise.
11234 (final_giv_value): Likewise.
11235 (find_splittable_regs): Likewise. Only create one new pseudo
11236 if we have multiple address GIVs that were combined with the same
11237 dst_reg GIV. Note when a new register is created due to unrolling.
11238 * rtl.c (reg_note_name): Add REG_NOALIAS.
11239 * rtl.h (enum reg_note): Similarly.
11240 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
11241 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
11242 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
11243 (true_dependence, read_dependence, anti_dependence): Likewise.
11244 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
11245 (mark_user_reg, mark_reg_pointer): Likewise.
11248 * Integrate reload bugfix from Wilon which enables the PA port
11249 to bootstrap again.
11250 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
11251 OPERAND_ADDRESS when computing how many registers an insn needs.
11252 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
11254 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
11255 OPADDR_ADDR reload.
11256 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
11257 in reload_reg_use_in_op_addr do not reach the end.
11258 do not reach the end.
11259 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
11260 RELOAD_FOR_OPERAND_ADDRESS.
11262 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
11264 * egcs project officially starts.
11267 add-log-time-format: current-time-string
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