1 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3 * mn10300.c (const_8bit_operand): New function.
4 (mask_ok_for_mem_btst): New funtion.
5 * mn10300.md (btst patterns with mem operands): Use new functions
6 to avoid creating btst instructions with invalid operands.
8 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
10 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
11 are running on PowerPC Linux.
13 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
15 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
16 if not previously defined.
18 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
20 * function.c (assign_parms): Correct mode of stack_parm if
21 entry_parm underwent a mode conversion.
23 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
25 * global.c (global_alloc): Use xmalloc instead of alloca for
26 CONFLICTS, since max_allocno * allocno_row_words alone can be more
29 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
31 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
32 DEST for the spill, adjust mode of SRC to compensate.
34 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
36 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
37 since any_memory_operand() allows pseudos during reload.
38 (reload_inhi, reload_outqi, reload_outhi): Likewise.
40 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
42 * m68k.md (btst patterns): Add 5200 support.
44 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
46 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
47 optimizations, look inside dividend to determine if the expression
48 can be simplified by using EXACT_DIV_EXPR.
50 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
53 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
55 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
57 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
59 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
61 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
64 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
66 * alpha.md (movqi, movhi): Make sure new insns created during reload
67 won't need reloading themselves.
68 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
70 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
72 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
74 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
76 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
77 Patch from Klaus Kaempf <kkaempf@progis.de>.
79 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
81 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
82 to an element in a constant string.
84 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
86 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
87 bit PC-relative offset. The exception range table pointer is now in
89 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
90 (count_fdes, add_fdes, get_cie): Adjust.
91 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
94 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
96 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
98 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
99 like stack_pointer_rtx.
101 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
103 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
104 targets using "$@" to provide support for similar but not identical
105 targets without having to duplicate code.
106 (bootstrap4): New goal.
108 * Makefile.in (compare, compare-lean, compare3): Combined to one
109 ruleset determining actions to be performed via $@.
110 (compare4, compare4-lean): New targets.
111 (gnucompare, gnucompare3): Combined to one ruleset determining
112 actions to be performed via $@. Also, note which files failed
113 the comparison test in .bad_compare.
114 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
116 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
118 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
119 if the dividend is a multiple of the divisor.
121 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
123 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
125 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
128 * alias.c (true_dependence): Fix typo.
130 * toplev.c (flag_rerun_loop_opt): New variable.
131 (f_options): Handle -frerun-loop-opt.
132 (rest_of_compilation): If -frerun-loop-opt, then run the loop
134 (main): Enable -frerun-loop-opt by default for -O2 or greater.
136 * loop.c (simplify_giv_expr): Adding two invariants results
139 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
141 * expr.c (get_inner_reference): Remove the array bias after
142 converting the index to Pmode.
144 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
146 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
147 (TARGET_MULT_BUG): Define.
148 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
149 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
151 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
153 * mn10200.c (indirect_memory_operand): Delete unused function.
154 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
155 * mn10200.md (bset, bclr insns): Handle output in a reg too.
157 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
159 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
160 the callee's ldgp, we must do it ourselves, and we use the jsr tag
161 for more than scheduling.
163 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
165 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
167 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
169 * mn10300.c (symbolic_operand, legitimize_address): New functions.
170 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
171 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
173 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
175 * version.c: Bump for snapshot.
177 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
179 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
182 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
184 * toplev.c (flag_exceptions): Default value is 2.
185 (compile_file): If flag_exceptions still has the value 2, then
188 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
189 (rs6000_save_machine_status): Save pic_offset_table_rtx.
190 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
192 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
195 * rs6000.md (*movsi_got_internal_mem): New pattern.
196 (*movsi_got_internal_mem splitter): New define_split.
198 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
200 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
202 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
204 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
205 only need to save LR.
207 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
209 * mn10300.md (movqi, movhi): Avoid using address registers as
210 destinations unless absolutely necessary.
212 * mn10200.c (expand_prologue): Fix typo.
214 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
216 * mn10200.md (neghi2): Provide an alternative which works if
217 the input and output register are the same.
219 * mn10300.c (print_operand): Handle 'S'.
220 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
221 shift amount in last alternative
223 * mn10300.c (expand_epilogue): Rework to handle register restores
224 in "ret" and "retf" instructions correctly.
226 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
228 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
229 extzv for memory operands.
231 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
232 redundant conditional moves to single operand.
234 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
236 * v850.h: Move define of __v850__ from CPP_PREDEFINES
239 * xm-v850.h: Use __v850 rather than __v850__ to
242 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
244 * mips/mips.c (compute_frame_size): Not a leaf function if
247 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
249 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
251 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
253 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
254 (DEFAULT_ARCH32_P): New macro.
255 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
256 (enum cmodel): Declare.
257 (sparc_cmodel_string,sparc_cmodel): Declare.
258 (SPARC_DEFAULT_CMODEL): Provide default.
259 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
260 (TARGET_FULLANY): Deleted.
261 (TARGET_CM_MEDMID): New macro.
262 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
263 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
264 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
266 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
267 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
268 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
269 (ASM_SPEC): Add %(asm_arch).
270 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
271 Rename asm_default to asm_cpu_default.
272 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
273 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
274 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
275 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
276 (MASK_INT64,MASK_LONG64): Delete.
277 (MASK_ARCH64): Renamed to MASK_64BIT.
278 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
279 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
280 (TARGET_SWITCHES): Always provide 64 bit options.
281 (ARCH64_SWITCHES): Delete.
282 (TARGET_OPTIONS): New option -mcmodel=.
283 (INT_TYPE_SIZE): Always 32.
284 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
285 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
286 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
287 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
288 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
290 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
291 * sparc/linux.h: Likewise.
292 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
293 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
294 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
295 (SPARC_DEFAULT_CMODEL): Define.
296 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
297 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
298 (LONG_DOUBLE_TYPE_SIZE): Define.
299 (ASM_SPEC): Add %(asm_arch).
300 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
301 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
302 (TARGET_CPU_DEFAULT): Add ultrasparc case.
303 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
304 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
305 (SPARC_DEFAULT_CMODEL): Define.
306 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
307 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
308 MASK_LONG64, MASK_MEDANY.
309 (SPARC_DEFAULT_CMODEL): Define.
310 (CPP_PREDEFINES): Delete.
311 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
312 (ASM_SPEC): Add %(asm_arch).
313 (LONG_DOUBLE_TYPE_SIZE): Define.
314 (DWARF2_DEBUGGING_INFO): Define.
315 * sparc/splet.h (CPP_SPEC): Delete.
316 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
317 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
318 (BLOCK_PROFILER): Likewise.
319 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
320 (sparc_override_options): Handle code model selection.
321 (sparc_init_expanders): Renamed from sparc64_init_expanders.
322 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
323 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
324 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
325 (sethi_di_fullany): Delete.
327 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
328 Jeff Law <law@cygnus.com>
329 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
331 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
332 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
333 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
334 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
335 * alpha/alpha.md (arg_home): Likewise.
337 * alpha/alpha.c (vmskrunch): Delete
338 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
339 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
340 truncate to 64 characters.
342 * make-l2.com: Support openVMS/Alpha.
344 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
346 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
348 * longlong.h (count_leading_zeros): Add missing casts to USItype.
350 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
352 * i386/bsd386.h (ASM_COMMENT_START): Define.
354 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
356 * tree.c (restore_tree_status): Also free up temporary storage
357 when we finish a toplevel function.
358 (dump_tree_statistics): Print stats for backend obstacks.
360 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
362 * expr.c (use_group_regs): Don't call use_reg for MEMs.
364 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
366 * libgcc2.c (__throw): Don't copy the return address.
367 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
369 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
370 * toplev.c (main): Initialize exceptions_via_longjmp.
372 * tree.c: Add extra_inline_obstacks.
373 (save_tree_status): Use it.
374 (restore_tree_status): If this is a toplevel inline obstack and we
375 didn't want to save anything on it, recycle it.
376 (print_inline_obstack_statistics): New fn.
377 * function.c (pop_function_context_from): Pass context to
379 * obstack.h (obstack_empty_p): New macro.
381 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
383 * i386/freebsd.h (ASM_COMMENT_START): Fix.
385 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
387 * v850.c (ep_memory_offset): New function.
388 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
390 * v850.h (CONST_OK_FOR_*): Add and correct comments.
391 (CONSTANT_ADDRESS_P): Add comment.
392 (EXTRA_CONSTRAINT): Define 'U'.
393 * v850.md: Add comments on bit field instructions.
394 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
395 (lshrsi3): Use N not J constraint.
397 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
399 * v850.c (reg_or_0_operand): Call register_operand.
400 (reg_or_int5_operand): Likewise.
401 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
402 (TARGET_SWITCHES): Add "big-switch".
403 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
404 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
405 (CASE_DROPS_THROUGH): Comment out.
406 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
407 * v850.md (cmpsi): Delete compare mode.
408 (casesi): New pattern.
410 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
411 * v850.md (ashlsi3): Use SImode not QImode for shift count.
414 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
415 unreachable switch statement after 'b' support. Remove "b" from
416 strings for 'b' support.
417 * v850.md (branch_normal, branch_invert): Change %b to b%b.
419 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
421 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
422 empty line if @inhibit_libc@ is empty.
424 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
426 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
427 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
428 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
429 (DWARF2_UNWIND_INFO): Let this track object file format.
430 (EXTRA_SECTIONS): Add in_eh.
431 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
432 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
434 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
436 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
437 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
439 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
440 (output_double_int): Output DI mode values correctly when
441 HOST_BITS_PER_WIDE_INT is 64.
442 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
443 fmovd so it works if a quad float ends up in one of the upper 32
445 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
446 necessary for PIC support on sparc64.
448 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
450 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
451 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
452 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
453 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
454 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
455 (SPARC_FP_ARG_FIRST): New macro.
456 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
457 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
458 (NPARM_REGS): There are 32 fp argument registers now.
459 (FUNCTION_ARG_REGNO_P): Likewise.
460 (FIRST_PARM_OFFSET): Update to new v9 abi.
461 (REG_PARM_STACK_SPACE): Define for arch64.
462 (enum sparc_arg_class): Delete.
463 (sparc_arg_count,sparc_n_named_args): Delete.
464 (struct sparc_args): Redefine and use for arch32 as well as arch64.
465 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
466 (FUNCTION_ARG_ADVANCE): Rewrite.
467 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
468 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
469 (FUNCTION_ARG_CALLEE_COPIES): Delete.
470 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
471 (STRICT_ARGUMENT_NAMING): Define.
472 (doublemove_string): Declare.
473 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
474 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
475 (doublemove_string): New function.
476 (output_move_quad): Clean up some of the arch64 support.
477 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
478 Don't add 8 bytes of reserved space if arch64.
479 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
480 (init_cumulative_args): New function.
481 (function_arg_slotno): New static function.
482 (function_arg,function_arg_partial_nregs): New functions.
483 (function_arg_{pass_by_reference,advance}): New functions.
484 (function_arg_padding): New function.
485 * ginclude/va-sparc.h: Rewrite v9 support.
487 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
489 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
490 for hard regs to determine base and index registers.
492 * reload.c (debug_reload_to_stream): New function. Specify stream
493 into which to write debug info.
494 (debug_reload): Modify to call debug_reload_to_stream with stderr.
496 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
498 * combine.c (can_combine_p): Don't combine with an asm whose
499 output is a hard register.
501 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
503 * c-decl.c (start_struct): Ensure that structs with forward
504 declarations are in fact packed when -fpack-struct is given.
506 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
507 we are packing a structure. This allows a structure with only
508 bytes to be aligned on a byte boundary and have no padding on a
511 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
513 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
515 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
517 * alpha.c (alpha_return_addr_rtx): New variable.
518 (alpha_save_machine_status): New; save it.
519 (alpha_restore_machine_status): New; restore it.
520 (alpha_init_expanders): New; clear it.
521 (alpha_return_addr): New; set it.
522 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
523 is overly conservative, so search the insns explicitly.
524 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
525 (alpha_sa_size [VMS && !VMS]): Likewise.
526 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
527 (INIT_EXPANDERS): New definition.
529 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
530 (output_prolog [!VMS]): Use them.
532 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
533 (alpha_does_function_need_gp): ... a new function. Refine the
534 CALL_INSN test to just TYPE_JSR.
535 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
537 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
539 * version.c: Bump for snapshot.
541 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
543 * pa.c (move_operand): Respect -mdisable-indexing.
544 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
546 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
548 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
550 (umulsidi3,umulsi3_highpart): Ditto.
551 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
553 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
555 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
556 (alpha_handle_trap_shadows): ... a new function. Handle the entire
557 function in one go. Emit RTL for trapb, instead of printf directly.
558 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
559 (trap_pending): Kill global variable.
560 (output_epilog): Don't call final_prescan_insn.
561 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
562 * alpha.h (FINAL_PRESCAN_INSN): Remove.
563 (MACHINE_DEPENENT_REORG): Define.
564 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
567 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
569 Tune Haifa scheduler for Alpha:
570 * alpha.h (ISSUE_RATE): Define.
571 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
572 EV4 adjustments to EV5.
573 * alpha.md: Remove all scaling from function unit delays. Rework
574 EV5 function units to match the CPU.
575 (umuldi3_highpart): EV5 added the IMULH insn class.
577 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
579 * pa.c (following_call): Fail if the CALL_INSN is an indirect
582 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
584 * cplus-dem.c (demangle_signature): Don't look for return types on
585 constructors. Handle member template constructors.
587 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
589 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
590 * tree.h: Declare them.
592 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
594 * configure.in: Handle --with-newlib.
595 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
597 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
599 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
601 * config/ptx4.h: Fix typo.
603 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
605 * version.c: Bump for snapshot.
607 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
609 * aclocal.m4: Substitute INSTALL.
610 * configure: Re-built.
612 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
614 * integrate.c (save_for_inline_copying): Avoid undefined pointer
616 (expand_inline_function): Likewise.
618 * dwarf2out.c (output_call_frame_info): Reinstate last change
619 using flag_debug_asm check instead of flag_verbose_asm.
621 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
623 * dwarf2out.c (output_call_frame_info): Remove last change.
625 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
627 * frame.c (__frame_state_for): Execute the FDE insns until the
628 current pc value is strictly bigger than the target pc value.
630 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
632 * regclass.c (init_reg_modes): If we can't find a mode for the
633 register, use the previous one.
635 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
637 * haifa-sched.c (print_block_visualization): Call fprintf directly,
638 don't sprintf through an alloca'ed buffer.
640 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
642 * reload.c (decompose): Always initialize val.base.
644 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
646 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
648 * dwarf2out.c (output_call_frame_info): Call app_enable and
649 app_disable to let GNU as accept the generated comments.
651 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
653 * tree.h (get_file_function_name): Add declaration.
654 * dwarf2out.c (output_call_frame_info): No need to cast
655 get_file_function_name call anymore.
656 * profile.c (toplevel): Remove get_file_function_name
658 * c-lang.c (finish_file): Ditto.
660 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
662 * Makefile.in (program_transform_name): Let autoconf substitute
665 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
667 * haifa-sched.c (schedule_block): If the first real insn in a
668 block has any special notes attached to it, remove them.
670 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
672 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
674 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
676 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
678 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
680 * Makefile.in (check-g77): New test target.
681 (CHECK-TARGETS): Add check-g77.
683 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
685 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
687 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
689 * flow.c (print_rtl_with_bb): Cast alloca return value for
692 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
694 * i386.h (RETURN_ADDR_RTX): New definition that works for
695 __builtin_return_address(0) and -fomit-frame-pointer.
697 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
700 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
702 * mips.c (function_arg): Handle passing a struct
703 containing a double in a DFmode register without the PARALLEL.
705 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
707 * pexecute.c: Use spawn if __CYGWIN32__.
709 * pexecute.c: Include "config.h" first, as per autoconf manual
710 (from Paul Eggert <eggert@twinsun.com>).
712 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
714 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
715 optimisation for f/expr.o and f/stb.o.
717 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
719 * cse.c (this_insn_cc0_mode): Initialize.
721 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
723 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
725 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
727 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
729 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
730 that pair will dual-issue on the 21164 and plus+beq won't.
731 (bne): Likewise for cmpeq+beq.
733 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
735 * except.c (find_exception_handler_labels): Correct argument to free.
737 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
739 * except.c (find_exception_handler_labels): Free LABELS when we're
742 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
744 * version.c: Bump for snapshot.
746 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
748 * flow.c (find_basic_blocks): Mark calls as potentially jumping
751 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
753 * configure.in: Substitute for "install" too.
754 * configure: Rebuilt.
756 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
758 * Makefile.in (bootstrap-lean, compare-lean): New targets.
760 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
762 * alias.c (base_alias_check): Two symbols can conflict if they
763 are accessed via AND.
764 (memrefs_conflict_p): Likewise.
766 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
767 after flushing argument registers to the stack.
769 * Makefile.in (mostlyclean): Remove .regmove files.
771 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
773 * libgcc2.c (__throw): Fix thinko.
775 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
777 * cplus-dem.c (demangle_template): Add new parameter. Handle new
778 template-function mangling.
779 (consume_count_with_underscores): New function.
780 (demangle_signature): Handle new name-mangling scheme.
782 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
784 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
787 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
789 * frame.c: Remove last change.
790 * dwarf2.h: Remove last change.
791 * tree.h: Add declarations of DWARF2 unwind info support
794 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
796 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
797 * tree.h (built_in_function): Likewise.
798 * expr.c (expand_builtin): Likewise.
799 * except.h: Likewise.
800 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
801 * libgcc2.c (copy_reg): New fn.
804 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
806 * c-typeck.c (build_binary_op): Warn about comparing signed vs
807 unsigned if -W is specified and -Wno-sign-compare is not.
808 * c-decl.c (warn_sign_compare): Initialize to -1.
809 (c_decode_option): -Wall no longer implies -Wsign-compare.
811 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
813 * frame.c: Include gansidecl.h for PROTO.
814 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
815 defined. Don't declare dwarf2out_cfi_label here.
816 * dwarf2.h: Add declarations of DWARF2 unwind info support
818 * m68k.c: Include dwarf2.h.
819 (output_function_prologue): Add dwarf2 support.
820 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
821 (INCOMING_FRAME_SP_OFFSET): Likewise.
823 * integrate.c (expand_inline_function): Make sure there is at
824 least one insn that can be used as an insertion point.
826 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
828 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
830 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
832 * version.c: Bump for snapshot.
834 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
838 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
840 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
841 (get_pc_via_rdpc): Renamed from get_pc_sp64.
842 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
844 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
846 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
847 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
849 (sparc_align_{loops,jumps,funcs}_string): Declare.
850 (sparc_align_{loops,jumps,funcs}): Declare.
851 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
852 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
853 (STACK_BIAS): Define.
854 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
856 (SPARC_SETHI_P): New macro.
857 (CONST_OK_FOR_LETTER_P): Use it.
858 (ASM_OUTPUT_ALIGN_CODE): Define.
859 (ASM_OUTPUT_LOOP_ALIGN): Define.
860 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
861 (sparc_align_{loops,jumps,funcs}): New globals.
862 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
864 (move_operand): Use SPARC_SETHI_P.
865 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
867 (arith11_double_operand): Likewise.
868 (arith10_double_operand): Likewise.
869 (finalize_pic): Finish sparc64 support.
870 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
871 64 bit constants if able.
872 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
873 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
875 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
876 (get_pc_sp32): Use for sparc64 as well.
877 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
878 (sethi_di_sp64_const): Likewise.
879 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
880 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
881 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
883 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
885 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
886 * sparc/linux.h (COMMENT_BEGIN): Likewise.
887 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
889 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
891 Add sparc64 linux support.
892 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
893 to xm_file list on 32-bit sparc-linux.
894 * sparc/xm-sp64.h: New file.
895 * sparc/linux64.h: New file.
896 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
897 Don't include xm-sparc.h.
898 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
899 * glimits.h (LONG_MAX): Handle sparc64.
901 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
903 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
904 * sparc.h (ASM_COMMENT_START): Define.
905 * sparc.c (output_function_prologue): Use it.
906 (sparc_flat_output_function_{epi,pro}logue): Likewise.
908 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
910 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
911 use sparc.h's copies.
912 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
915 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
917 * sparc.c (dwarf2out_cfi_label): Add declaration.
918 (save_regs, output_function_prologue): Remove cast for it.
919 (sparc_flat_{save_restore,output_function_prologue): Likewise.
920 ({save,restore}_regs): No longer inline.
922 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
924 * fold-const.c (make_range): Correctly handle cases of converting
925 from unsigned to signed type.
927 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
929 * fold-const.c (merge_ranges): Make sure that if one range is subset
930 of another, it will always be the second range. Correct (+,-) case to
933 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
935 * final.c (final_end_function): Also do dwarf2 thing if
936 DWARF2_DEBUGGING_INFO.
937 (final_start_function): Likewise.
939 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
941 * expmed.c (expand_divmod): If compute_mode is not the same as
942 mode, handle the case where convert_modes() causes op1 to no
943 longer be a CONST_INT.
945 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
946 note holding get_jump_flags() calculation to all JUMP_INSNs.
947 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
948 * rtl.c (reg_note_name): Add new note types.
950 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
952 * rtlanal.c (computed_jump_p): Fix typo in last change.
954 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
956 * loop.c (indirect_jump_in_function_p): Return 0
959 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
961 * rs6000/xm-rs6000.h: Fix thinko in last change.
962 * rs6000/xm-sysv4.h: Likewise.
964 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
966 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
968 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
970 * reg-stack.c (find_blocks): Fix thinko in last change.
972 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
974 * m68k.c (output_function_prologue): Add dwarf2 support.
976 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
977 INCOMING_FRAME_SP_OFFSET): New definitions.
979 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
981 * combine.c (try_combine): Use NULL_RTX instead of '0' where
982 appropriate in calls to gen_rtx().
983 * cse.c (cse_main): Likewise.
984 * emit-rtl.c (gen_label_rtx): Likewise.
985 * expr.c (init_expr_once): Likewise.
986 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
987 sched_analyze, init_rgn_data_dependences,
988 compute_block_backward_dependences): Likewise.
989 * sched.c (schedule_insns): Likewise.
990 * varasm.c (immed_double_const): Likewise.
992 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
993 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
995 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
997 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
998 (MULTILIB_DEFAULTS): Define.
999 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1000 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1001 (LIBGCC_SPEC): Likewise.
1002 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1003 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1004 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1005 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1006 (EXTRA_PARTS, TAROUTOPTS): Delete.
1007 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1008 (MULTILIB_OPTIONS): Define.
1009 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1010 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1012 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1014 * version.c: Bump for snapshot.
1016 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1018 * loop.c (loop_number): Delete function. Change all references
1019 to use uid_loop_num array.
1020 * loop.h (loop_number): Delete declaration.
1021 * unroll.c (unroll_loop): Change "loop_number" references to
1022 use uid_loop_num instead.
1024 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1026 (loop_unroll_iter): Remove unused variable and all references.
1027 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1028 (insert_bct): Fix minor formatting problems.
1029 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1030 (loop_unroll_iter): Removed unused decl.
1031 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1032 Always record the unrolling factor.
1034 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1035 Similarly for h1u and h1s.
1037 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1038 (find_basic_blocks): Use computed_jump_p to determine if a
1039 particular JUMP_INSN is a computed jump.
1040 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1041 if a particular JUMP_INSN is a computed jump.
1042 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1043 (computed_jump_p): Likewise.
1044 * rtl.h (computed_jump_p): Declare.
1045 * genattrtab.c (pc_rtx): Define and initialize.
1046 * loop.c (loop_optimize): Always determine if the current
1047 function has a computed jump.
1048 (indirect_jump_in_function_p): Use computed_jump_p to determine
1049 if a particular JUMP_INSN is a computed jump.
1051 * loop.c (fix_bct_param): Delete unused function.
1052 (check_bct_param): Likewise.
1054 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1056 * frame.c (__deregister_frame): Check properly for initialized object.
1058 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1060 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1062 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1064 * jump.c (thread_jumps): check can_reverse_comparison_p before
1065 threading a reversed-condition jump.
1067 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1068 * haifa-sched.c (update_flow_info): Likewise.
1070 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1072 * Makefile.in (BOOT_CFLAGS): Use -O2.
1074 * configure.in (strtoul, bsearch): Have autoconf check for these
1076 * configure, config.in: Rebuilt.
1078 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1079 * mips/mips.h (alloca): Likewise.
1080 * rs6000/xm-rs6000.h (alloca): Likewise.
1081 * rs6000/xm-sysv4.h: Likewise.
1083 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1085 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1086 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1087 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1089 * except.c (end_eh_unwinder): Subtract 1 from return address.
1090 * libgcc2.c (__throw): Likewise.
1091 (find_exception_handler): Don't change PC here. Compare end with >.
1093 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1095 * v850.c (compute_register_save_size): Correct register
1097 * v850.md (save_interrupt, return_interrupt): Correct
1099 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1100 (return_interrupt): Use stack pointer, not element pointer.
1102 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1104 * configure.in, configure: Make sure to create the stage* and include
1105 symbolic links in each subdirectory.
1107 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1109 * pa.md (reload_peepholes): Don't allow addresses with side
1110 effects for the memory operand.
1112 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1114 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1115 looking for a handler, to avoid hitting the beginning of the next
1118 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1120 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1122 * mips/abi64.h (LONG_MAX_SPEC): Define.
1123 * mips.h (LONG_MAX_SPEC): Define.
1124 (CPP_SPEC): Include long_max_spec.
1125 (EXTRA_SPECS): Include long_max_spec.
1127 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1129 * v850.c (construct_save_jarl): Fix thinko in last change.
1131 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1133 * version.c: Bump for snapshot.
1135 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1137 * libgcc2.c (find_exception_handler): Not found is -1.
1139 * integrate.c (expand_inline_function): Move expand_start_bindings
1140 after expanding the arguments.
1142 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1144 * expr.c (expand_expr): Remove previous incorrect change.
1145 If target and slot has no DECL_RTL, then call mark_addressable
1146 again for the slot after we give it RTL.
1148 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1150 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1151 again for the slot after we give it RTL.
1153 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1155 * v850.c (register_is_ok_for_epilogue,
1156 pattern_is_ok_for_epilogue, construct_restore_jr,
1157 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1159 * v850.h (pattern_is_ok_for_prologue,
1160 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1163 * v850.md: Replace prologue and epilogue patterns with a
1164 match_parallel pattern.
1166 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1168 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1169 * configure.in: Use EGCS_PROG_INSTALL.
1171 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1173 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1174 extern inline function.
1176 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1178 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1179 (concat_loc_descriptor): New function.
1180 (loc_descriptor): Call it.
1181 (add_AT_location_description): Also elide the descriptor if both
1182 halves of a CONCAT are pseudos.
1183 (add_location_or_const_value_attribute): Recognize CONCAT too.
1185 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1187 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1189 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1190 out-or-range reg_offset.
1191 (output_epilog): Likewise.
1193 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1195 * cse.c (simplify_relational_operation): If MODE specifies a
1196 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1197 is derived from the sign bit of the low word.
1199 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1201 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1203 * dwarf2.h: Add DW_CFA_GNU_args_size.
1204 * frame.c (execute_cfa_insn): Likewise.
1205 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1206 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1207 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1208 insn, hand it off to dwarf2out_stack_adjust.
1209 (dwarf2out_begin_prologue): Initialize args_size.
1210 * frame.h (struct frame_state): Add args_size.
1211 * libgcc2.c (__throw): Use args_size.
1212 * final.c (final_scan_insn): If we push args, hand off all insns
1213 to dwarf2out_frame_debug.
1214 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1216 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1217 Handle epilogue restore of SP from FP.
1218 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1219 lone insn has RTX_FRAME_RELATED_P set.
1221 * frame.c (extract_cie_info): Handle "e" augmentation.
1222 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1223 absence of UNALIGNED_*_ASM_OP.
1224 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1225 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1226 Don't emit augmentation fields length.
1227 (dwarf2out_do_frame): Move outside of #ifdefs.
1228 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1231 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1232 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1233 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1234 * sparc/sun4gas.h: New file.
1235 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1237 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1238 __register_frame_table and __deregister_frame.
1240 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1242 * except.c (find_exception_handler_labels): Use xmalloc instead of
1243 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1246 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1248 * Makefile.in: Various changes to build info files
1249 in the object tree rather than the source tree.
1251 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1253 * fixinc.math: New file to fix math.h on some systems.
1254 * configure.in (freebsd, netbsd): Use fixinc.math on these
1256 * configure: Rebuilt.
1258 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1260 * regmove.c (regmove_optimize): If we end up moving the
1261 original insn due to lifetime overlaps, make sure to move
1264 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1266 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1268 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1270 * haifa-sched.c (add_branch_dependences): Make each insn in
1271 a SCHED_GROUP_P block explicitly depend on the previous insn.
1273 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1275 * except.h: Prototype dwarf2 hooks.
1278 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1280 * configure.in (native_prefix): Delete.
1281 (mips-dec-netbsd): Don't set prefix.
1282 (*linux*): Don't set prefix.
1284 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1286 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1287 defined. If not defined, include <sys/varargs.h> if
1288 HAVE_SYS_VARARGS_H is defined.
1289 * configure.in: Test for varargs.h and sys/varargs.h.
1290 * configure: Regenerate with autoconf.
1291 * config.in: Regenerate with autoheader.
1293 * cpplib.c (quote_string): Cast first arg of sprintf call
1294 from "unsigned char *" to "char *".
1295 (output_line_command): Ditto.
1296 (macroexpand): Ditto.
1297 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1299 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1301 * version.c: Bump for snapshot.
1303 * Makefile.in (compare): Exit with nonzero status if there
1304 are comparison failures. Note which files failed the
1305 comparison test in .bad_compare.
1307 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1309 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1311 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1313 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1314 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1315 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1316 * configure: Regenerated.
1318 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1320 * loop.c (strength_reduce): Fix typo.
1322 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1324 * m88k/m88k.c (struct option): Rename to struct options.
1325 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1326 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1327 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1328 __DOLPHIN__ or sysV88.
1330 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1332 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1335 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1337 * config.sub: Accept 'amigados' for backward compatability.
1339 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1341 * Makefile.in (testsuite/site.exp): New target.
1342 (check-gcc, check-g++): Depend on testsuite/site.exp.
1343 Don't stop for failure.
1345 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1347 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1348 if DWARF2_UNWIND_INFO.
1350 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1352 Add support for exception handling using DWARF 2 frame unwind info.
1353 Currently works on SPARC and MIPS, and almost on x86.
1355 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1356 next_stack_level, in_reg_window): Helper fns.
1357 (__throw): Implement for DWARF2_UNWIND_INFO.
1359 * expr.c (expand_builtin): Handle builtins used by __throw.
1360 * tree.h (enum built_in_function): Add builtins used by __throw.
1361 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1362 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1363 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1364 (expand_builtin_extract_return_addr): Likewise.
1365 (expand_builtin_frob_return_addr): Likewise.
1366 (expand_builtin_set_return_addr_reg): Likewise.
1367 (expand_builtin_eh_stub): Likewise.
1368 (expand_builtin_set_eh_regs): Likewise.
1369 (eh_regs): Choose two call-clobbered registers for passing back values.
1371 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1372 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1373 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1374 (stmp-multilib): Likewise.
1375 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1377 * except.c: #include "defaults.h".
1378 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1379 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1380 (register_exception_table_p): New fn.
1381 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1382 (end_eh_unwinder): Likewise.
1384 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1385 call __register_frame and __deregister_frame as needed.
1386 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1387 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1388 EH_FRAME_SECTION_ASM_OP.
1389 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1390 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1391 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1393 * dwarf2out.c (output_call_frame_info): If no support for
1394 EXCEPTION_SECTION, mark the start of the frame info with a
1396 * collect2.c (frame_tables): New list.
1397 (is_ctor_dtor): Recognise frame entries.
1398 (scan_prog_file): Likewise.
1399 (main): Pass -fno-exceptions to sub-compile. Also do collection
1400 if there are any frame entries.
1401 (write_c_file_stat): Call __register_frame_table and
1402 __deregister_frame as needed.
1403 (write_c_file_glob): Likewise.
1405 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1406 Also require unaligned reloc support.
1407 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1408 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1409 * sparc/sysv4.h: Not here.
1411 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1412 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1413 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1415 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1416 EH implementations to the top.
1417 (find_exception_handler): Split out. Start from 0. Compare against
1419 (__find_first_exception_table_match): Use it.
1420 * except.c (output_exception_table): Don't do anything if there's
1421 no table. Don't output a first entry of zeroes.
1422 (eh_outer_context): Adjust properly.
1423 (add_eh_table_entry): Use xrealloc.
1424 * toplev.c (compile_file): Just call output_exception_table.
1426 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1428 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1430 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1432 * except.c (eh_outer_context): Do masking using expand_and.
1434 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1436 Add port done awhile ago for the ARC cpu.
1437 * arc/arc.h: New file.
1438 * arc/arc.c: New file.
1439 * arc/arc.md: New file.
1440 * arc/initfini.c: New file.
1441 * arc/lib1funcs.asm: New file.
1442 * arc/t-arc: New file.
1443 * arc/xm-arc.h: New file.
1444 * ginclude/va-arc.h: New file.
1445 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1446 * ginclude/varargs.h: Likewise.
1447 * Makefile.in (USER_H): Add va-arc.h.
1448 * configure.in (arc-*-elf*): Recognize.
1449 * longlong.h: Add ARC support.
1451 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1453 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1454 when clearing non-BLKmode data.
1456 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1458 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1459 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1461 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1463 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1465 * Makefile.in (clean): Delete libgcc1-test.
1467 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1469 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1471 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1474 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1476 * dwarf2out.c (output_call_frame_info): Call named_section.
1478 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1480 * haifa-sched.c (print_value): Fix last change.
1482 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1484 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1487 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1489 * mips.c (function_prologue): Set up the CFA when ABI_32.
1491 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1492 for dwarf2 unwind info.
1493 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1495 * final.c (final_end_function): Check dwarf2out_do_frame instead
1496 of DWARF2_DEBUG for dwarf2 unwind info.
1497 (final_scan_insn): Likewise.
1498 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1501 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1504 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1506 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1508 * v850.h (ASM_SPEC): Pass on target processor.
1509 (CPP_PREDEFINES): Only define if not already specified.
1510 (TARGET_VERSION): Only define if not already specified.
1511 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1513 (EXTRA_SWITCHES): Extra entries in the switches array.
1514 (TARGET_DEFAULT): Set default target processor.
1516 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1518 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1519 cases, add %# and %/, and add : to make them into extended asms.
1521 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1523 * alias.c (init_alias_analysis): Clean up incompatible pointer
1524 type warning in bzero.
1525 * regmove.c (regmove_optimize): Ditto.
1526 * haifa-sched.c (find_rgns): Ditto.
1528 * haifa-sched.c (print_value): Clean up ptr->int cast
1531 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1533 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1534 * install.texi (Configurations): Ditto.
1535 * config.sub: Ditto.
1537 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1539 * Makefile.in (sdbout.o): Depend on insn-config.h.
1541 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1543 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1544 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1546 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1548 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1549 prologue insn, only the first elt is significant.
1550 (output_call_frame_info): For exception handling, always use 4-byte
1551 fields as specified by the dwarf2 spec.
1552 Don't skip trivial FDEs.
1554 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1556 * version.c: Bump for snapshot.
1558 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1560 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1561 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1564 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1566 * final.c (shorten_branches): During first pass, assume worst
1567 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1569 * Makefile.in (distclean): Remove various things left around
1570 by running the testsuite.
1572 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1574 * configure.in (out_file): Emit definition to config.status in order
1575 to have a defined value for configure.lang.
1576 * configure: Re-built.
1578 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1580 * configure.in: Make symlink to as-new rather than as.new. Similarly
1582 * configure: Rebuilt.
1584 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1586 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1588 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1590 * sparc/sparc.md: Add ultrasparc scheduling support.
1591 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1593 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1595 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1596 as initial value for real_label_map.
1597 (copy_for_inline): Likewise.
1599 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1601 * sched.c (update_flow_info) When looking if to set found_split_dest
1602 or found_orig_dest, look at all parts of a PARALLEL.
1603 * haifa-sched.c (update_flow_info): Likewise.
1605 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1607 * v850: New directory for v850 port.
1608 * v850/lib1funcs.asm: New file.
1609 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1610 * ginclude/va-v850.h: New file.
1611 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1612 * configure.in (mn10200-*-*): New target.
1613 * configure: Rebuilt.
1614 * config.sub: Handle v850-elf.
1615 * Makefile.in (USER_H): Add va-mn10200.h.
1616 * invoke.texi: Document v850 stuff.
1618 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1620 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1621 has integer TYPE_{MAX,MIN}_VALUE before using them.
1623 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1624 __HPUX_ASM__ versions.
1626 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1628 * install.sh: Delete duplicate install script.
1630 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1632 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1633 computed goto which sets the same stack register.
1635 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1636 destination are both on the regstack.
1637 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1639 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1641 * mips.md (nonlocal_goto_receiver): Define.
1643 * profile.c (output_arc_profiler): Check next_insert_after for non
1644 NULL before deferencing it.
1646 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1648 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1650 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1652 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1654 * toplev.c (rest_of_compilation): For passes starting with
1655 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1657 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1660 * flow.c (print_rtl_with_bb): Print which insns start and end
1661 basic blocks. For the start of a basic block, also print the live
1664 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1666 * toplev.c (main): Change #elif to #else/#ifdef
1668 * tlink.c: Include ctype.h.
1669 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1671 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1673 * bitmap.c: Conditionally include stdlib.h.
1674 (free): Provide a declaration if NEED_DECLARATION_FREE.
1676 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1678 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1680 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1682 * profile.c (output_arc_profiler): Verify next_insert_after is an
1683 INSN before and after skipping a stack pop.
1685 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1687 * final.c (shorten_branches): Don't count the lengths of deleted
1690 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1692 * version.c: Bump for snapshot.
1694 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1696 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1697 two bitmaps ANDed together.
1698 (bitmap_print): Declare.
1700 * bitmap.c (function_obstack): Don't declare any more.
1701 (bitmap_obstack): Obstack for allocating links from.
1702 (bitmap_obstack_init): New static to say whether to initialize
1704 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1705 (bitmap_release_memory): Free all memory allocated from
1708 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1709 EXECUTE_IF_AND_IN_BITMAP.
1711 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1713 * alias.c (true_dependence): Address with AND can alias scalars.
1714 (anti_dependence, output_dependence): Likewise.
1716 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1718 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1720 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1721 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1722 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1723 definitions. Use -qrtems instead of -mrtems.
1725 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1727 * xm-sco5.h (sys_siglist): Define.
1728 (SYS_SIGLIST_DECLARED): Likewise.
1730 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1732 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1734 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1736 * except.c (eh_outer_context): Expand masking operation using
1739 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1741 * alpha.md (floatdisf2-1): New pattern.
1743 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1745 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1746 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1747 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1748 * gcc.texi: Note that if you define sys_siglist that you should
1749 also define SYS_SIGLIST_DECLARED.
1751 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1752 are relative to the next instruction, not the current instruction.
1754 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1756 * local-alloc.c (contains_replace_regs): New function.
1757 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1758 verify that there is no existing REG_EQUIV note, and add a call to
1759 contains_place_regs.
1761 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1763 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1764 (STARTFILE_SPEC): Always use crtbegin.o%s
1765 (ENDFILE_SPEC): Always use crtend.o%s.
1767 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1769 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1771 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1772 SFmode for 64 bit hosts.
1774 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1776 * fixincludes: Permits spaces between # and define. Discard C++
1777 comments in sys/pci.h on HP/UX 10.20.
1779 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1781 * version.c: Bump for snapshot.
1783 * pa.c (restore_unscaled_index_insn_codes): New function.
1784 (record_unscaled_index_insn_codes): Likewise.
1785 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1786 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1787 (pa_reorg): Call record_unscaled_index_insn_codes.
1789 * haifa-sched.c (move_insn): Handle notes correctly for insns
1790 with SCHED_GROUP_P set.
1792 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1794 * alpha/xm-linux.h (USE_BFD): Undef before define.
1796 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1798 * cse.c (cse_insn): Don't record BLKmode values.
1800 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1802 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1804 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1806 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1807 * collect2.c (sys_errlist): Likewise.
1808 * cpplib.c (sys_errlist): Likewise.
1809 * gcc.c (sys_errlist): Likewise.
1810 * protoize (sys_errlist): Likewise.
1811 * configure.in: Check for strerror.
1812 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1813 * xm-gnu.h (HAVE_STRERROR): Likewise.
1814 * xm-linux.h (HAVE_STRERROR): Likewise.
1815 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1816 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1817 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1818 * xm-dos.h (HAVE_STRERROR): Likewise.
1819 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1820 * xm-pa.h (HAVE_STRERROR): Likewise.
1821 * xm-papro.h (HAVE_STRERROR): Likewise.
1822 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1823 * configure, config.in: Rebuilt.
1825 * Makefile.in: Add several missing "else true" clauses.
1827 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1828 * mips-tfile.c: Likewise.
1829 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1830 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1831 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1832 * configure.in: Check for sys_siglist declaration.
1833 * configure, config.in: Rebuilt.
1835 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1837 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1838 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1839 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1840 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1841 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1842 macro EXTRA_SUBTARGET_SWITCHES.
1843 * configure.in (sh*-*-rtems*): New target.
1844 * sh/rtems.h: New file.
1845 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1846 * configure: Rebuilt.
1848 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1850 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1852 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1854 * rs6000.md: Make DF fused-add operations pay attention to
1857 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1859 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1861 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1863 * pa.md (reload_peepholes): Make sure operand is a REG before
1864 examining REGNO. Allow general registers too.
1866 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1868 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1870 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1872 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1873 to reallocate abbrev_die_table.
1875 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1877 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1879 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1881 * Makefile.in (config.status): Depend on version.c
1883 * expr.h (insn_gen_function): Reenable prototype.
1885 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1888 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1890 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1892 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1894 * version.c: Bump for latest snapshot.
1896 * bc-optab.c: Conditionally include stdlib.h.
1897 (free): Provide a declaration if NEED_DECLARATION_FREE.
1898 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1899 * rtl.h (free): Remove declaration.
1900 * tree.h (free): Remvoe declaration.
1902 * configure: Rebuilt.
1904 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1906 * flags.h (flag_move_all_movables): Declare.
1907 (flag_reduce_all_givs): Likewise.
1908 * loop.c (move_movables): Handle flag_move_all_movables.
1909 (strength_reduce): Handle flag_reduce_all_givs.
1910 * toplev.c (flag_move_all_movables): Define.
1911 (flag_reduce_all_givs): Likewise.
1912 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1913 * invoke.texi: Document new options, including alias stuff that
1914 wasn't included last time.
1916 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1918 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1921 * t-vxworks68: Ditto.
1922 * t-vxworks960: Ditto.
1925 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1927 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1928 if not already defined, and USE_C_ALLOCA not defined.
1930 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1932 * config.guess: Replace with script that uses ../config.guess.
1934 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1935 if USE_GNULIBC_1 is not defined.
1937 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1939 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1940 * config.guess: Recognize alpha-linux-gnulibc1.
1941 * configure.in (alpha-*-linux-gnulibc1): New target.
1942 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1944 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1946 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1949 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1951 * loop.c (combine_movables): Earlier insns don't match later ones.
1953 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1955 * config/linux.h (CC1_SPEC): Define it only if not defined.
1957 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1960 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1961 USE_GNULIBC_1 is not defined.
1963 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1965 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1966 as 1 if USE_GNULIBC_1 is not defined.
1968 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1970 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1971 to be something other than a REG.
1972 * function.c (expand_function_end): Fix current_function_return_rtx
1975 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1976 * x-netbsd: Likewise
1977 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1978 (INSTALL_HEADERS): Delete.
1979 * x-dguxbcs: Likewise.
1980 * x-hp3bsd44: Likewise
1983 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1985 * i386.md (pop): pop increments the stack pointer.
1986 (prologue_set_stack_ptr): New pattern.
1987 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1990 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1992 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1993 address where an offsettable address is required.
1995 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1997 * loop.c (check_final_value): Don't miss a biv increment in a
2000 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2002 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2003 TYPE_DECL_IS_STUB instead of DECL_NAME.
2005 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2007 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2009 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2011 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2013 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2015 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2016 (find_post_sched_live): Likewise.
2018 * haifa-sched.c (schedule_block): Remove old code to get arguments
2019 from hard regs into pseudos early.
2021 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2023 * version.c: Bump for new snapshot.
2025 * local-alloc.c (update_equiv_regs): All the target to reject
2026 promotion of some REG_EQUAL to REG_EQUIV notes.
2027 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2029 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2032 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2033 store of the argument registers.
2035 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2037 * fold-const.c (multiple_of_p): New function.
2038 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2040 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2042 * expr.h (insn_gen_function): Temporarily remove prototype.
2044 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2046 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2047 filenames. Use sed to extract base filename for install.
2049 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2051 * unroll.c (find_splittable_givs): Only share if two givs have the
2052 same add and multiply values.
2054 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2056 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2057 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2059 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2061 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2062 around branch tables.
2063 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2064 and .end_brtab directives if TARGET_GAS.
2066 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2068 * alias.c (true_dependence): Pass x_addr not x to varies.
2070 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2071 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2072 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2074 * config.in, configure: Regenerate.
2076 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2078 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2080 (record_set): Handle LO_SUM like PLUS.
2081 (init_alias_analysis): When following chains of base addresses,
2082 do not stop on reaching a hard register.
2084 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2086 * version.c: Bump for new snapshot.
2088 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2090 * alpha.h (ARCH_ASM_FILE_START): Define.
2091 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2092 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2094 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2096 * Makefile.in (install-common): Put gcov comment at start of line.
2098 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2100 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2101 array, simplify entries for hard registers too.
2103 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2105 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2108 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2110 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2111 block_stack before dereferencing it.
2113 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2115 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2117 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2119 * cplus-dem.c: Add 'extern' to prepends_underscore.
2121 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2123 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2124 (get_issue_rate): Delete.
2125 * pa.h (ISSUE_RATE): Define.
2127 * configure.in: Turn on haifa by default for the PA.
2128 * configure: Rebuilt.
2129 * pa.c (override_options): Accept -mschedule=7200 option.
2130 (pa_adjust_cost): No longer need to scale costs for newer
2132 * pa.h (enum processor_type): Add PROCESSOR_7200.
2133 * pa.md: Revamp scheduling parameters to work better with
2134 haifa. Add scheduling parameters for the 7200.
2136 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2138 (schedule_block): When adjusting basic_block_{head,end}, account
2139 for movement of SCHED_GROUP_P insns too.
2141 * haifa-sched.c (debug_dependencies): Fix thinko.
2143 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2144 (site.exp, check, check-g++, check-gcc): New targets.
2146 * haifa-sched.c: Make lots of variables static.
2148 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2150 * expr.h, real.h: Finish prototyping.
2152 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2154 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2155 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2156 * reload1.c: Undo bugfix from Aug 11.
2158 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2160 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2161 quotes around the name.
2162 * configure: Regenerate.
2164 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2166 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2168 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2170 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2171 to sub-makes to avoid building more passes than the user might have
2172 requested on the command line.
2174 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2176 * configure.in: Expurgate `broken_install' (install is
2179 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2182 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2184 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2185 functions and declarations.
2186 (analyze_loop_iterations): Use condjump_p.
2187 (insert_bct): Likewise. Use exact_log2.
2189 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2191 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2192 (schedule_region): Likewise.
2193 (schedule_insns): Likewise.
2195 * PROJECTS: Update with Haifa stuff.
2197 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2199 * version.c: Change the version string to look like:
2200 egcs-2.90.00 970814 (gcc2-970802 experimental).
2202 * loop.c (is_conditional_branch): Make definition match declaration.
2204 * gcc.c: Take out experimental snapshot warning message.
2206 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2208 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2209 print out the names of the notes. Print out the name of the insn
2210 that is not a note, and not an {,CALL_,JUMP_}INSN.
2212 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2214 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2215 again for the slot after we give it RTL.
2217 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2219 * configure.in (haifa configury): Fix typo.
2220 * configure: Regenerate.
2222 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2224 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2226 * gcc.info*: Rebuilt.
2228 * COPYING.g77, README.g77: New files.
2229 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2230 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2231 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2233 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2235 * Integrate Haifa instruction scheduler.
2236 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2237 to sched with $(SCHED_CFLAGS.
2238 * configure.in: Handle --enable-haifa.
2239 * configure: Rebuilt.
2240 * flags.h: Add new flags for haifa instruction scheduler.
2241 * genattrtab.c (expand_units): For haifa, don't subtract one
2242 when computing blockage.
2243 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2244 (flag_schedule_speculative): Ditto.
2245 (flag_schedule_speculative_load): Ditto.
2246 (flag_schedule_speculative_load_dangerous): Ditto.
2247 (flag_schedule_reverse_before_reload): Ditto.
2248 (flag_schedule_reverse_after_reload): Ditto.
2249 (flag_branch_on_count_reg): Ditto.
2250 (f_options): Add Haifa switches.
2251 (main): Turn off some Haifa options if appropriate macro is
2252 defined. Process Haifa switches.
2253 * unroll.c (iteration_info): No longer static, since Haifa
2255 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2256 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2257 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2258 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2259 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2260 storage for the Haifa scheduler.
2261 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2263 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2264 are defined, call analyze_loop_iterations and insert_bct to use
2266 (record_giv): Refine test for jumps out of loops if HAIFA is
2268 (analyze_loop_iterations): New function to identify if we can use
2270 (insert_bct): Insert countdown loop.
2271 (instrument_loop_bct): Low level code to insert countdown loop.
2272 (loop_number): Calculate UID of loop.
2273 (indirect_jump_in_function_p): Return true if an indirect jump is
2275 (is_power_of_2): Return true if value is a power of 2.
2276 (is_conditional_branch): Return true if insn is a conditional
2278 (fix_bct_param): Process -fbct-{min,max}-N switches.
2279 (check_bct_param): Return true if loop should be instrumented.
2280 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2281 (loop_optimize): Initialize.
2282 (get_condition_for_loop): Ditto.
2283 * loop.c (strength_reduce): Inside of code that uses #ifdef
2284 HAVE_decrement_and_branch_on_count code, test it to make sure the
2286 (instrument_loop_bct): Ditto.
2287 * haifa-sched.c: New file.
2290 * Integrate regmove pass.
2291 * Makefile.in (OBJS): Add regmove.o
2292 (regmove.o): Add dependencies.
2293 * flow.c (find_use_as_address): No longer static.
2294 * rtl.h (find_use_as_address): Declare.
2295 * toplev.c (regmove_dump, flag_regmove): Define.
2296 (f_options): Add -fregmove.
2297 (regmove_dump_file, regmove_time): Define.
2298 (fatal_insn): Close the regmove dump file.
2299 (compile_file): Initialize regmove_time; open/close the regmove dump
2300 file as needed. Print regmove time as needed.
2301 (rest_of_compilation): Run regmove pass if requested, dump
2302 RTL after regmove if requested.
2303 (main): If -O2 or more, turn on regmove. Handle dump switches.
2304 * regmove.c: New file.
2306 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2308 * Integrate tlink patch from jason@cygnus.com
2309 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2310 (process_command): Increment n_switches for them. Don't discard
2311 their args. Validate them.
2312 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2314 (process_command): Set include_prefixes from COMPILER_PATH.
2315 (main): Set COLLECT_GCC_OPTIONS sooner.
2316 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2317 * tlink.c, hash.c, hash.h: New files.
2318 * Makefile.in (USE_COLLECT2): Always use collect2.
2319 (collect2): Depend on and link in hash.o and tlink.o.
2320 (tlink.o, hash.o): Add dependencies.
2322 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2324 * Integrate alias analysis changes from jfc@mit.edu
2325 * Makefile.in (OBJS): Add alias.o
2326 (alias.o): Add dependencies.
2327 * alias.c: New file.
2328 * sched.c: Remove alias analysis code. It lives in alias.c now.
2329 (sched_analyze_2): Add new arguments to true_dependence.
2330 (schedule_insns): Always call init_alias_analysis.
2331 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2332 mark return value from such functions as a pointer and keep track of
2333 them for alias analysis. If a return value from a function is a
2334 pointer, mark it as such.
2335 * combine.c (distribute_notes): Handle REG_NOALIAS.
2336 * cse.c (struct write_data): Delete. No longer needed.
2337 (invalidate): Don't call set_nonvarying_address_components anymore.
2338 Use true_dependence to decide if an entry should be removed from
2340 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2342 (note_mem_written): Similarly for WRITE_PTR argument.
2343 (invalidate_from_clobbers): Similarly for W argument.
2344 (invalidate_for_call): Remove memory elements from the hash table.
2345 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2346 (cse_rtx_varies_p): New function. Derived from old
2347 cse_rtx_addr_varies_p.
2348 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2349 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2350 pointer if PUSH_ROUNDING is defined. No longer need to call
2351 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2352 (skipped_writes_memory): Remove variable.
2353 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2354 (invalidate_skipped_block): Simplify for new alias analysis code.
2355 (cse_set_around_loop): Likewise.
2356 (cse_main): Call init_alias_analysis.
2357 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2358 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2359 (f_options): Add new alias checking arguments.
2360 (main): Set flag_alias_check when optimizing.
2361 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2363 (memref_referenced_p): Likewise.
2364 * loop.c (NUM_STORES): Increase to 30.
2365 (prescan_loop): Only non-constant calls set unknown_address_altered.
2366 (invariant_p): Add new arguments to true_dependence.
2367 (record_giv): Initialize unrolled and shared fields.
2368 (emit_iv_add_mult): Call record_base_value as needed.
2369 * loop.h (struct induction): Add unrolled and shared fields.
2370 * unroll.c (unroll_loop): Call record_base_value as needed.
2371 (copy_loop_body): Likewise.
2372 (final_biv_value): Likewise.
2373 (final_giv_value): Likewise.
2374 (find_splittable_regs): Likewise. Only create one new pseudo
2375 if we have multiple address GIVs that were combined with the same
2376 dst_reg GIV. Note when a new register is created due to unrolling.
2377 * rtl.c (reg_note_name): Add REG_NOALIAS.
2378 * rtl.h (enum reg_note): Similarly.
2379 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2380 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2381 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2382 (true_dependence, read_dependence, anti_dependence): Likewise.
2383 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2384 (mark_user_reg, mark_reg_pointer): Likewise.
2387 * Integrate reload bugfix from Wilon which enables the PA port
2389 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2390 OPERAND_ADDRESS when computing how many registers an insn needs.
2391 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2393 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2395 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2396 in reload_reg_use_in_op_addr do not reach the end.
2397 do not reach the end.
2398 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2399 RELOAD_FOR_OPERAND_ADDRESS.
2401 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2403 * egcs project officially starts.
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