1 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4 DEST for the spill, adjust mode of SRC to compensate.
6 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
9 since any_memory_operand() allows pseudos during reload.
10 (reload_inhi, reload_outqi, reload_outhi): Likewise.
12 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
14 * m68k.md (btst patterns): Add 5200 support.
16 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
18 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
19 optimizations, look inside dividend to determine if the expression
20 can be simplified by using EXACT_DIV_EXPR.
22 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
25 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
27 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
29 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
31 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
33 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
36 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
38 * alpha.md (movqi, movhi): Make sure new insns created during reload
39 won't need reloading themselves.
40 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
42 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
44 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
46 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
48 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
49 Patch from Klaus Kaempf <kkaempf@progis.de>.
51 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
53 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
54 to an element in a constant string.
56 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
58 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
59 bit PC-relative offset. The exception range table pointer is now in
61 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
62 (count_fdes, add_fdes, get_cie): Adjust.
63 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
66 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
68 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
70 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
71 like stack_pointer_rtx.
73 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
75 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
76 targets using "$@" to provide support for similar but not identical
77 targets without having to duplicate code.
78 (bootstrap4): New goal.
80 * Makefile.in (compare, compare-lean, compare3): Combined to one
81 ruleset determining actions to be performed via $@.
82 (compare4, compare4-lean): New targets.
83 (gnucompare, gnucompare3): Combined to one ruleset determining
84 actions to be performed via $@. Also, note which files failed
85 the comparison test in .bad_compare.
86 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
88 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
90 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
91 if the dividend is a multiple of the divisor.
93 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
95 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
97 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
100 * alias.c (true_dependence): Fix typo.
102 * toplev.c (flag_rerun_loop_opt): New variable.
103 (f_options): Handle -frerun-loop-opt.
104 (rest_of_compilation): If -frerun-loop-opt, then run the loop
106 (main): Enable -frerun-loop-opt by default for -O2 or greater.
108 * loop.c (simplify_giv_expr): Adding two invariants results
111 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
113 * expr.c (get_inner_reference): Remove the array bias after
114 converting the index to Pmode.
116 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
118 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
119 (TARGET_MULT_BUG): Define.
120 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
121 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
123 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
125 * mn10200.c (indirect_memory_operand): Delete unused function.
126 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
127 * mn10200.md (bset, bclr insns): Handle output in a reg too.
129 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
131 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
132 the callee's ldgp, we must do it ourselves, and we use the jsr tag
133 for more than scheduling.
135 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
137 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
139 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
141 * mn10300.c (symbolic_operand, legitimize_address): New functions.
142 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
143 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
145 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
147 * version.c: Bump for snapshot.
149 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
151 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
154 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
156 * toplev.c (flag_exceptions): Default value is 2.
157 (compile_file): If flag_exceptions still has the value 2, then
160 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
161 (rs6000_save_machine_status): Save pic_offset_table_rtx.
162 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
164 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
167 * rs6000.md (*movsi_got_internal_mem): New pattern.
168 (*movsi_got_internal_mem splitter): New define_split.
170 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
172 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
174 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
176 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
177 only need to save LR.
179 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
181 * mn10300.md (movqi, movhi): Avoid using address registers as
182 destinations unless absolutely necessary.
184 * mn10200.c (expand_prologue): Fix typo.
186 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
188 * mn10200.md (neghi2): Provide an alternative which works if
189 the input and output register are the same.
191 * mn10300.c (print_operand): Handle 'S'.
192 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
193 shift amount in last alternative
195 * mn10300.c (expand_epilogue): Rework to handle register restores
196 in "ret" and "retf" instructions correctly.
198 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
200 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
201 extzv for memory operands.
203 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
204 redundant conditional moves to single operand.
206 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
208 * v850.h: Move define of __v850__ from CPP_PREDEFINES
211 * xm-v850.h: Use __v850 rather than __v850__ to
214 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
216 * mips/mips.c (compute_frame_size): Not a leaf function if
219 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
221 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
223 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
225 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
226 (DEFAULT_ARCH32_P): New macro.
227 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
228 (enum cmodel): Declare.
229 (sparc_cmodel_string,sparc_cmodel): Declare.
230 (SPARC_DEFAULT_CMODEL): Provide default.
231 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
232 (TARGET_FULLANY): Deleted.
233 (TARGET_CM_MEDMID): New macro.
234 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
235 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
236 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
238 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
239 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
240 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
241 (ASM_SPEC): Add %(asm_arch).
242 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
243 Rename asm_default to asm_cpu_default.
244 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
245 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
246 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
247 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
248 (MASK_INT64,MASK_LONG64): Delete.
249 (MASK_ARCH64): Renamed to MASK_64BIT.
250 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
251 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
252 (TARGET_SWITCHES): Always provide 64 bit options.
253 (ARCH64_SWITCHES): Delete.
254 (TARGET_OPTIONS): New option -mcmodel=.
255 (INT_TYPE_SIZE): Always 32.
256 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
257 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
258 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
259 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
260 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
262 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
263 * sparc/linux.h: Likewise.
264 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
265 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
266 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
267 (SPARC_DEFAULT_CMODEL): Define.
268 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
269 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
270 (LONG_DOUBLE_TYPE_SIZE): Define.
271 (ASM_SPEC): Add %(asm_arch).
272 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
273 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
274 (TARGET_CPU_DEFAULT): Add ultrasparc case.
275 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
276 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
277 (SPARC_DEFAULT_CMODEL): Define.
278 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
279 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
280 MASK_LONG64, MASK_MEDANY.
281 (SPARC_DEFAULT_CMODEL): Define.
282 (CPP_PREDEFINES): Delete.
283 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
284 (ASM_SPEC): Add %(asm_arch).
285 (LONG_DOUBLE_TYPE_SIZE): Define.
286 (DWARF2_DEBUGGING_INFO): Define.
287 * sparc/splet.h (CPP_SPEC): Delete.
288 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
289 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
290 (BLOCK_PROFILER): Likewise.
291 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
292 (sparc_override_options): Handle code model selection.
293 (sparc_init_expanders): Renamed from sparc64_init_expanders.
294 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
295 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
296 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
297 (sethi_di_fullany): Delete.
299 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
300 Jeff Law <law@cygnus.com>
301 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
303 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
304 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
305 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
306 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
307 * alpha/alpha.md (arg_home): Likewise.
309 * alpha/alpha.c (vmskrunch): Delete
310 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
311 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
312 truncate to 64 characters.
314 * make-l2.com: Support openVMS/Alpha.
316 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
318 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
320 * longlong.h (count_leading_zeros): Add missing casts to USItype.
322 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
324 * i386/bsd386.h (ASM_COMMENT_START): Define.
326 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
328 * tree.c (restore_tree_status): Also free up temporary storage
329 when we finish a toplevel function.
330 (dump_tree_statistics): Print stats for backend obstacks.
332 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
334 * expr.c (use_group_regs): Don't call use_reg for MEMs.
336 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
338 * libgcc2.c (__throw): Don't copy the return address.
339 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
341 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
342 * toplev.c (main): Initialize exceptions_via_longjmp.
344 * tree.c: Add extra_inline_obstacks.
345 (save_tree_status): Use it.
346 (restore_tree_status): If this is a toplevel inline obstack and we
347 didn't want to save anything on it, recycle it.
348 (print_inline_obstack_statistics): New fn.
349 * function.c (pop_function_context_from): Pass context to
351 * obstack.h (obstack_empty_p): New macro.
353 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
355 * i386/freebsd.h (ASM_COMMENT_START): Fix.
357 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
359 * v850.c (ep_memory_offset): New function.
360 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
362 * v850.h (CONST_OK_FOR_*): Add and correct comments.
363 (CONSTANT_ADDRESS_P): Add comment.
364 (EXTRA_CONSTRAINT): Define 'U'.
365 * v850.md: Add comments on bit field instructions.
366 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
367 (lshrsi3): Use N not J constraint.
369 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
371 * v850.c (reg_or_0_operand): Call register_operand.
372 (reg_or_int5_operand): Likewise.
373 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
374 (TARGET_SWITCHES): Add "big-switch".
375 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
376 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
377 (CASE_DROPS_THROUGH): Comment out.
378 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
379 * v850.md (cmpsi): Delete compare mode.
380 (casesi): New pattern.
382 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
383 * v850.md (ashlsi3): Use SImode not QImode for shift count.
386 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
387 unreachable switch statement after 'b' support. Remove "b" from
388 strings for 'b' support.
389 * v850.md (branch_normal, branch_invert): Change %b to b%b.
391 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
393 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
394 empty line if @inhibit_libc@ is empty.
396 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
398 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
399 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
400 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
401 (DWARF2_UNWIND_INFO): Let this track object file format.
402 (EXTRA_SECTIONS): Add in_eh.
403 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
404 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
406 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
408 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
409 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
411 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
412 (output_double_int): Output DI mode values correctly when
413 HOST_BITS_PER_WIDE_INT is 64.
414 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
415 fmovd so it works if a quad float ends up in one of the upper 32
417 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
418 necessary for PIC support on sparc64.
420 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
422 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
423 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
424 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
425 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
426 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
427 (SPARC_FP_ARG_FIRST): New macro.
428 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
429 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
430 (NPARM_REGS): There are 32 fp argument registers now.
431 (FUNCTION_ARG_REGNO_P): Likewise.
432 (FIRST_PARM_OFFSET): Update to new v9 abi.
433 (REG_PARM_STACK_SPACE): Define for arch64.
434 (enum sparc_arg_class): Delete.
435 (sparc_arg_count,sparc_n_named_args): Delete.
436 (struct sparc_args): Redefine and use for arch32 as well as arch64.
437 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
438 (FUNCTION_ARG_ADVANCE): Rewrite.
439 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
440 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
441 (FUNCTION_ARG_CALLEE_COPIES): Delete.
442 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
443 (STRICT_ARGUMENT_NAMING): Define.
444 (doublemove_string): Declare.
445 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
446 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
447 (doublemove_string): New function.
448 (output_move_quad): Clean up some of the arch64 support.
449 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
450 Don't add 8 bytes of reserved space if arch64.
451 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
452 (init_cumulative_args): New function.
453 (function_arg_slotno): New static function.
454 (function_arg,function_arg_partial_nregs): New functions.
455 (function_arg_{pass_by_reference,advance}): New functions.
456 (function_arg_padding): New function.
457 * ginclude/va-sparc.h: Rewrite v9 support.
459 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
461 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
462 for hard regs to determine base and index registers.
464 * reload.c (debug_reload_to_stream): New function. Specify stream
465 into which to write debug info.
466 (debug_reload): Modify to call debug_reload_to_stream with stderr.
468 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
470 * combine.c (can_combine_p): Don't combine with an asm whose
471 output is a hard register.
473 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
475 * c-decl.c (start_struct): Ensure that structs with forward
476 declarations are in fact packed when -fpack-struct is given.
478 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
479 we are packing a structure. This allows a structure with only
480 bytes to be aligned on a byte boundary and have no padding on a
483 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
485 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
487 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
489 * alpha.c (alpha_return_addr_rtx): New variable.
490 (alpha_save_machine_status): New; save it.
491 (alpha_restore_machine_status): New; restore it.
492 (alpha_init_expanders): New; clear it.
493 (alpha_return_addr): New; set it.
494 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
495 is overly conservative, so search the insns explicitly.
496 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
497 (alpha_sa_size [VMS && !VMS]): Likewise.
498 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
499 (INIT_EXPANDERS): New definition.
501 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
502 (output_prolog [!VMS]): Use them.
504 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
505 (alpha_does_function_need_gp): ... a new function. Refine the
506 CALL_INSN test to just TYPE_JSR.
507 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
509 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
511 * version.c: Bump for snapshot.
513 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
515 * pa.c (move_operand): Respect -mdisable-indexing.
516 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
518 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
520 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
522 (umulsidi3,umulsi3_highpart): Ditto.
523 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
525 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
527 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
528 (alpha_handle_trap_shadows): ... a new function. Handle the entire
529 function in one go. Emit RTL for trapb, instead of printf directly.
530 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
531 (trap_pending): Kill global variable.
532 (output_epilog): Don't call final_prescan_insn.
533 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
534 * alpha.h (FINAL_PRESCAN_INSN): Remove.
535 (MACHINE_DEPENENT_REORG): Define.
536 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
539 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
541 Tune Haifa scheduler for Alpha:
542 * alpha.h (ISSUE_RATE): Define.
543 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
544 EV4 adjustments to EV5.
545 * alpha.md: Remove all scaling from function unit delays. Rework
546 EV5 function units to match the CPU.
547 (umuldi3_highpart): EV5 added the IMULH insn class.
549 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
551 * pa.c (following_call): Fail if the CALL_INSN is an indirect
554 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
556 * cplus-dem.c (demangle_signature): Don't look for return types on
557 constructors. Handle member template constructors.
559 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
561 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
562 * tree.h: Declare them.
564 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
566 * configure.in: Handle --with-newlib.
567 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
569 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
571 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
573 * config/ptx4.h: Fix typo.
575 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
577 * version.c: Bump for snapshot.
579 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
581 * aclocal.m4: Substitute INSTALL.
582 * configure: Re-built.
584 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
586 * integrate.c (save_for_inline_copying): Avoid undefined pointer
588 (expand_inline_function): Likewise.
590 * dwarf2out.c (output_call_frame_info): Reinstate last change
591 using flag_debug_asm check instead of flag_verbose_asm.
593 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
595 * dwarf2out.c (output_call_frame_info): Remove last change.
597 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
599 * frame.c (__frame_state_for): Execute the FDE insns until the
600 current pc value is strictly bigger than the target pc value.
602 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
604 * regclass.c (init_reg_modes): If we can't find a mode for the
605 register, use the previous one.
607 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
609 * haifa-sched.c (print_block_visualization): Call fprintf directly,
610 don't sprintf through an alloca'ed buffer.
612 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
614 * reload.c (decompose): Always initialize val.base.
616 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
618 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
620 * dwarf2out.c (output_call_frame_info): Call app_enable and
621 app_disable to let GNU as accept the generated comments.
623 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
625 * tree.h (get_file_function_name): Add declaration.
626 * dwarf2out.c (output_call_frame_info): No need to cast
627 get_file_function_name call anymore.
628 * profile.c (toplevel): Remove get_file_function_name
630 * c-lang.c (finish_file): Ditto.
632 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
634 * Makefile.in (program_transform_name): Let autoconf substitute
637 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
639 * haifa-sched.c (schedule_block): If the first real insn in a
640 block has any special notes attached to it, remove them.
642 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
644 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
646 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
648 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
650 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
652 * Makefile.in (check-g77): New test target.
653 (CHECK-TARGETS): Add check-g77.
655 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
657 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
659 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
661 * flow.c (print_rtl_with_bb): Cast alloca return value for
664 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
666 * i386.h (RETURN_ADDR_RTX): New definition that works for
667 __builtin_return_address(0) and -fomit-frame-pointer.
669 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
672 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
674 * mips.c (function_arg): Handle passing a struct
675 containing a double in a DFmode register without the PARALLEL.
677 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
679 * pexecute.c: Use spawn if __CYGWIN32__.
681 * pexecute.c: Include "config.h" first, as per autoconf manual
682 (from Paul Eggert <eggert@twinsun.com>).
684 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
686 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
687 optimisation for f/expr.o and f/stb.o.
689 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
691 * cse.c (this_insn_cc0_mode): Initialize.
693 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
695 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
697 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
699 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
701 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
702 that pair will dual-issue on the 21164 and plus+beq won't.
703 (bne): Likewise for cmpeq+beq.
705 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
707 * except.c (find_exception_handler_labels): Correct argument to free.
709 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
711 * except.c (find_exception_handler_labels): Free LABELS when we're
714 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
716 * version.c: Bump for snapshot.
718 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
720 * flow.c (find_basic_blocks): Mark calls as potentially jumping
723 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
725 * configure.in: Substitute for "install" too.
726 * configure: Rebuilt.
728 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
730 * Makefile.in (bootstrap-lean, compare-lean): New targets.
732 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
734 * alias.c (base_alias_check): Two symbols can conflict if they
735 are accessed via AND.
736 (memrefs_conflict_p): Likewise.
738 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
739 after flushing argument registers to the stack.
741 * Makefile.in (mostlyclean): Remove .regmove files.
743 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
745 * libgcc2.c (__throw): Fix thinko.
747 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
749 * cplus-dem.c (demangle_template): Add new parameter. Handle new
750 template-function mangling.
751 (consume_count_with_underscores): New function.
752 (demangle_signature): Handle new name-mangling scheme.
754 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
756 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
759 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
761 * frame.c: Remove last change.
762 * dwarf2.h: Remove last change.
763 * tree.h: Add declarations of DWARF2 unwind info support
766 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
768 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
769 * tree.h (built_in_function): Likewise.
770 * expr.c (expand_builtin): Likewise.
771 * except.h: Likewise.
772 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
773 * libgcc2.c (copy_reg): New fn.
776 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
778 * c-typeck.c (build_binary_op): Warn about comparing signed vs
779 unsigned if -W is specified and -Wno-sign-compare is not.
780 * c-decl.c (warn_sign_compare): Initialize to -1.
781 (c_decode_option): -Wall no longer implies -Wsign-compare.
783 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
785 * frame.c: Include gansidecl.h for PROTO.
786 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
787 defined. Don't declare dwarf2out_cfi_label here.
788 * dwarf2.h: Add declarations of DWARF2 unwind info support
790 * m68k.c: Include dwarf2.h.
791 (output_function_prologue): Add dwarf2 support.
792 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
793 (INCOMING_FRAME_SP_OFFSET): Likewise.
795 * integrate.c (expand_inline_function): Make sure there is at
796 least one insn that can be used as an insertion point.
798 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
800 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
802 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
804 * version.c: Bump for snapshot.
806 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
810 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
812 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
813 (get_pc_via_rdpc): Renamed from get_pc_sp64.
814 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
816 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
818 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
819 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
821 (sparc_align_{loops,jumps,funcs}_string): Declare.
822 (sparc_align_{loops,jumps,funcs}): Declare.
823 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
824 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
825 (STACK_BIAS): Define.
826 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
828 (SPARC_SETHI_P): New macro.
829 (CONST_OK_FOR_LETTER_P): Use it.
830 (ASM_OUTPUT_ALIGN_CODE): Define.
831 (ASM_OUTPUT_LOOP_ALIGN): Define.
832 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
833 (sparc_align_{loops,jumps,funcs}): New globals.
834 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
836 (move_operand): Use SPARC_SETHI_P.
837 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
839 (arith11_double_operand): Likewise.
840 (arith10_double_operand): Likewise.
841 (finalize_pic): Finish sparc64 support.
842 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
843 64 bit constants if able.
844 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
845 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
847 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
848 (get_pc_sp32): Use for sparc64 as well.
849 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
850 (sethi_di_sp64_const): Likewise.
851 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
852 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
853 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
855 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
857 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
858 * sparc/linux.h (COMMENT_BEGIN): Likewise.
859 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
861 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
863 Add sparc64 linux support.
864 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
865 to xm_file list on 32-bit sparc-linux.
866 * sparc/xm-sp64.h: New file.
867 * sparc/linux64.h: New file.
868 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
869 Don't include xm-sparc.h.
870 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
871 * glimits.h (LONG_MAX): Handle sparc64.
873 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
875 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
876 * sparc.h (ASM_COMMENT_START): Define.
877 * sparc.c (output_function_prologue): Use it.
878 (sparc_flat_output_function_{epi,pro}logue): Likewise.
880 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
882 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
883 use sparc.h's copies.
884 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
887 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
889 * sparc.c (dwarf2out_cfi_label): Add declaration.
890 (save_regs, output_function_prologue): Remove cast for it.
891 (sparc_flat_{save_restore,output_function_prologue): Likewise.
892 ({save,restore}_regs): No longer inline.
894 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
896 * fold-const.c (make_range): Correctly handle cases of converting
897 from unsigned to signed type.
899 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
901 * fold-const.c (merge_ranges): Make sure that if one range is subset
902 of another, it will always be the second range. Correct (+,-) case to
905 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
907 * final.c (final_end_function): Also do dwarf2 thing if
908 DWARF2_DEBUGGING_INFO.
909 (final_start_function): Likewise.
911 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
913 * expmed.c (expand_divmod): If compute_mode is not the same as
914 mode, handle the case where convert_modes() causes op1 to no
915 longer be a CONST_INT.
917 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
918 note holding get_jump_flags() calculation to all JUMP_INSNs.
919 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
920 * rtl.c (reg_note_name): Add new note types.
922 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
924 * rtlanal.c (computed_jump_p): Fix typo in last change.
926 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
928 * loop.c (indirect_jump_in_function_p): Return 0
931 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
933 * rs6000/xm-rs6000.h: Fix thinko in last change.
934 * rs6000/xm-sysv4.h: Likewise.
936 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
938 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
940 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
942 * reg-stack.c (find_blocks): Fix thinko in last change.
944 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
946 * m68k.c (output_function_prologue): Add dwarf2 support.
948 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
949 INCOMING_FRAME_SP_OFFSET): New definitions.
951 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
953 * combine.c (try_combine): Use NULL_RTX instead of '0' where
954 appropriate in calls to gen_rtx().
955 * cse.c (cse_main): Likewise.
956 * emit-rtl.c (gen_label_rtx): Likewise.
957 * expr.c (init_expr_once): Likewise.
958 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
959 sched_analyze, init_rgn_data_dependences,
960 compute_block_backward_dependences): Likewise.
961 * sched.c (schedule_insns): Likewise.
962 * varasm.c (immed_double_const): Likewise.
964 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
965 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
967 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
969 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
970 (MULTILIB_DEFAULTS): Define.
971 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
972 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
973 (LIBGCC_SPEC): Likewise.
974 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
975 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
976 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
977 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
978 (EXTRA_PARTS, TAROUTOPTS): Delete.
979 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
980 (MULTILIB_OPTIONS): Define.
981 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
982 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
984 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
986 * version.c: Bump for snapshot.
988 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
990 * loop.c (loop_number): Delete function. Change all references
991 to use uid_loop_num array.
992 * loop.h (loop_number): Delete declaration.
993 * unroll.c (unroll_loop): Change "loop_number" references to
994 use uid_loop_num instead.
996 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
998 (loop_unroll_iter): Remove unused variable and all references.
999 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1000 (insert_bct): Fix minor formatting problems.
1001 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1002 (loop_unroll_iter): Removed unused decl.
1003 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1004 Always record the unrolling factor.
1006 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1007 Similarly for h1u and h1s.
1009 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1010 (find_basic_blocks): Use computed_jump_p to determine if a
1011 particular JUMP_INSN is a computed jump.
1012 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1013 if a particular JUMP_INSN is a computed jump.
1014 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1015 (computed_jump_p): Likewise.
1016 * rtl.h (computed_jump_p): Declare.
1017 * genattrtab.c (pc_rtx): Define and initialize.
1018 * loop.c (loop_optimize): Always determine if the current
1019 function has a computed jump.
1020 (indirect_jump_in_function_p): Use computed_jump_p to determine
1021 if a particular JUMP_INSN is a computed jump.
1023 * loop.c (fix_bct_param): Delete unused function.
1024 (check_bct_param): Likewise.
1026 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1028 * frame.c (__deregister_frame): Check properly for initialized object.
1030 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1032 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1034 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1036 * jump.c (thread_jumps): check can_reverse_comparison_p before
1037 threading a reversed-condition jump.
1039 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1040 * haifa-sched.c (update_flow_info): Likewise.
1042 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1044 * Makefile.in (BOOT_CFLAGS): Use -O2.
1046 * configure.in (strtoul, bsearch): Have autoconf check for these
1048 * configure, config.in: Rebuilt.
1050 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1051 * mips/mips.h (alloca): Likewise.
1052 * rs6000/xm-rs6000.h (alloca): Likewise.
1053 * rs6000/xm-sysv4.h: Likewise.
1055 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1057 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1058 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1059 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1061 * except.c (end_eh_unwinder): Subtract 1 from return address.
1062 * libgcc2.c (__throw): Likewise.
1063 (find_exception_handler): Don't change PC here. Compare end with >.
1065 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1067 * v850.c (compute_register_save_size): Correct register
1069 * v850.md (save_interrupt, return_interrupt): Correct
1071 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1072 (return_interrupt): Use stack pointer, not element pointer.
1074 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1076 * configure.in, configure: Make sure to create the stage* and include
1077 symbolic links in each subdirectory.
1079 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1081 * pa.md (reload_peepholes): Don't allow addresses with side
1082 effects for the memory operand.
1084 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1086 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1087 looking for a handler, to avoid hitting the beginning of the next
1090 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1092 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1094 * mips/abi64.h (LONG_MAX_SPEC): Define.
1095 * mips.h (LONG_MAX_SPEC): Define.
1096 (CPP_SPEC): Include long_max_spec.
1097 (EXTRA_SPECS): Include long_max_spec.
1099 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1101 * v850.c (construct_save_jarl): Fix thinko in last change.
1103 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1105 * version.c: Bump for snapshot.
1107 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1109 * libgcc2.c (find_exception_handler): Not found is -1.
1111 * integrate.c (expand_inline_function): Move expand_start_bindings
1112 after expanding the arguments.
1114 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1116 * expr.c (expand_expr): Remove previous incorrect change.
1117 If target and slot has no DECL_RTL, then call mark_addressable
1118 again for the slot after we give it RTL.
1120 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1122 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1123 again for the slot after we give it RTL.
1125 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1127 * v850.c (register_is_ok_for_epilogue,
1128 pattern_is_ok_for_epilogue, construct_restore_jr,
1129 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1131 * v850.h (pattern_is_ok_for_prologue,
1132 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1135 * v850.md: Replace prologue and epilogue patterns with a
1136 match_parallel pattern.
1138 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1140 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1141 * configure.in: Use EGCS_PROG_INSTALL.
1143 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1145 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1146 extern inline function.
1148 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1150 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1151 (concat_loc_descriptor): New function.
1152 (loc_descriptor): Call it.
1153 (add_AT_location_description): Also elide the descriptor if both
1154 halves of a CONCAT are pseudos.
1155 (add_location_or_const_value_attribute): Recognize CONCAT too.
1157 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1159 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1161 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1162 out-or-range reg_offset.
1163 (output_epilog): Likewise.
1165 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1167 * cse.c (simplify_relational_operation): If MODE specifies a
1168 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1169 is derived from the sign bit of the low word.
1171 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1173 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1175 * dwarf2.h: Add DW_CFA_GNU_args_size.
1176 * frame.c (execute_cfa_insn): Likewise.
1177 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1178 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1179 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1180 insn, hand it off to dwarf2out_stack_adjust.
1181 (dwarf2out_begin_prologue): Initialize args_size.
1182 * frame.h (struct frame_state): Add args_size.
1183 * libgcc2.c (__throw): Use args_size.
1184 * final.c (final_scan_insn): If we push args, hand off all insns
1185 to dwarf2out_frame_debug.
1186 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1188 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1189 Handle epilogue restore of SP from FP.
1190 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1191 lone insn has RTX_FRAME_RELATED_P set.
1193 * frame.c (extract_cie_info): Handle "e" augmentation.
1194 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1195 absence of UNALIGNED_*_ASM_OP.
1196 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1197 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1198 Don't emit augmentation fields length.
1199 (dwarf2out_do_frame): Move outside of #ifdefs.
1200 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1203 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1204 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1205 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1206 * sparc/sun4gas.h: New file.
1207 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1209 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1210 __register_frame_table and __deregister_frame.
1212 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1214 * except.c (find_exception_handler_labels): Use xmalloc instead of
1215 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1218 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1220 * Makefile.in: Various changes to build info files
1221 in the object tree rather than the source tree.
1223 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1225 * fixinc.math: New file to fix math.h on some systems.
1226 * configure.in (freebsd, netbsd): Use fixinc.math on these
1228 * configure: Rebuilt.
1230 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1232 * regmove.c (regmove_optimize): If we end up moving the
1233 original insn due to lifetime overlaps, make sure to move
1236 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1238 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1240 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1242 * haifa-sched.c (add_branch_dependences): Make each insn in
1243 a SCHED_GROUP_P block explicitly depend on the previous insn.
1245 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1247 * except.h: Prototype dwarf2 hooks.
1250 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1252 * configure.in (native_prefix): Delete.
1253 (mips-dec-netbsd): Don't set prefix.
1254 (*linux*): Don't set prefix.
1256 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1258 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1259 defined. If not defined, include <sys/varargs.h> if
1260 HAVE_SYS_VARARGS_H is defined.
1261 * configure.in: Test for varargs.h and sys/varargs.h.
1262 * configure: Regenerate with autoconf.
1263 * config.in: Regenerate with autoheader.
1265 * cpplib.c (quote_string): Cast first arg of sprintf call
1266 from "unsigned char *" to "char *".
1267 (output_line_command): Ditto.
1268 (macroexpand): Ditto.
1269 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1271 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1273 * version.c: Bump for snapshot.
1275 * Makefile.in (compare): Exit with nonzero status if there
1276 are comparison failures. Note which files failed the
1277 comparison test in .bad_compare.
1279 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1281 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1283 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1285 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1286 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1287 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1288 * configure: Regenerated.
1290 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1292 * loop.c (strength_reduce): Fix typo.
1294 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1296 * m88k/m88k.c (struct option): Rename to struct options.
1297 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1298 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1299 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1300 __DOLPHIN__ or sysV88.
1302 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1304 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1307 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1309 * config.sub: Accept 'amigados' for backward compatability.
1311 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1313 * Makefile.in (testsuite/site.exp): New target.
1314 (check-gcc, check-g++): Depend on testsuite/site.exp.
1315 Don't stop for failure.
1317 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1319 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1320 if DWARF2_UNWIND_INFO.
1322 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1324 Add support for exception handling using DWARF 2 frame unwind info.
1325 Currently works on SPARC and MIPS, and almost on x86.
1327 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1328 next_stack_level, in_reg_window): Helper fns.
1329 (__throw): Implement for DWARF2_UNWIND_INFO.
1331 * expr.c (expand_builtin): Handle builtins used by __throw.
1332 * tree.h (enum built_in_function): Add builtins used by __throw.
1333 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1334 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1335 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1336 (expand_builtin_extract_return_addr): Likewise.
1337 (expand_builtin_frob_return_addr): Likewise.
1338 (expand_builtin_set_return_addr_reg): Likewise.
1339 (expand_builtin_eh_stub): Likewise.
1340 (expand_builtin_set_eh_regs): Likewise.
1341 (eh_regs): Choose two call-clobbered registers for passing back values.
1343 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1344 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1345 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1346 (stmp-multilib): Likewise.
1347 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1349 * except.c: #include "defaults.h".
1350 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1351 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1352 (register_exception_table_p): New fn.
1353 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1354 (end_eh_unwinder): Likewise.
1356 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1357 call __register_frame and __deregister_frame as needed.
1358 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1359 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1360 EH_FRAME_SECTION_ASM_OP.
1361 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1362 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1363 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1365 * dwarf2out.c (output_call_frame_info): If no support for
1366 EXCEPTION_SECTION, mark the start of the frame info with a
1368 * collect2.c (frame_tables): New list.
1369 (is_ctor_dtor): Recognise frame entries.
1370 (scan_prog_file): Likewise.
1371 (main): Pass -fno-exceptions to sub-compile. Also do collection
1372 if there are any frame entries.
1373 (write_c_file_stat): Call __register_frame_table and
1374 __deregister_frame as needed.
1375 (write_c_file_glob): Likewise.
1377 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1378 Also require unaligned reloc support.
1379 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1380 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1381 * sparc/sysv4.h: Not here.
1383 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1384 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1385 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1387 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1388 EH implementations to the top.
1389 (find_exception_handler): Split out. Start from 0. Compare against
1391 (__find_first_exception_table_match): Use it.
1392 * except.c (output_exception_table): Don't do anything if there's
1393 no table. Don't output a first entry of zeroes.
1394 (eh_outer_context): Adjust properly.
1395 (add_eh_table_entry): Use xrealloc.
1396 * toplev.c (compile_file): Just call output_exception_table.
1398 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1400 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1402 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1404 * except.c (eh_outer_context): Do masking using expand_and.
1406 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1408 Add port done awhile ago for the ARC cpu.
1409 * arc/arc.h: New file.
1410 * arc/arc.c: New file.
1411 * arc/arc.md: New file.
1412 * arc/initfini.c: New file.
1413 * arc/lib1funcs.asm: New file.
1414 * arc/t-arc: New file.
1415 * arc/xm-arc.h: New file.
1416 * ginclude/va-arc.h: New file.
1417 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1418 * ginclude/varargs.h: Likewise.
1419 * Makefile.in (USER_H): Add va-arc.h.
1420 * configure.in (arc-*-elf*): Recognize.
1421 * longlong.h: Add ARC support.
1423 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1425 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1426 when clearing non-BLKmode data.
1428 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1430 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1431 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1433 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1435 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1437 * Makefile.in (clean): Delete libgcc1-test.
1439 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1441 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1443 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1446 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1448 * dwarf2out.c (output_call_frame_info): Call named_section.
1450 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1452 * haifa-sched.c (print_value): Fix last change.
1454 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1456 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1459 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1461 * mips.c (function_prologue): Set up the CFA when ABI_32.
1463 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1464 for dwarf2 unwind info.
1465 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1467 * final.c (final_end_function): Check dwarf2out_do_frame instead
1468 of DWARF2_DEBUG for dwarf2 unwind info.
1469 (final_scan_insn): Likewise.
1470 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1473 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1476 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1478 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1480 * v850.h (ASM_SPEC): Pass on target processor.
1481 (CPP_PREDEFINES): Only define if not already specified.
1482 (TARGET_VERSION): Only define if not already specified.
1483 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1485 (EXTRA_SWITCHES): Extra entries in the switches array.
1486 (TARGET_DEFAULT): Set default target processor.
1488 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1490 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1491 cases, add %# and %/, and add : to make them into extended asms.
1493 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1495 * alias.c (init_alias_analysis): Clean up incompatible pointer
1496 type warning in bzero.
1497 * regmove.c (regmove_optimize): Ditto.
1498 * haifa-sched.c (find_rgns): Ditto.
1500 * haifa-sched.c (print_value): Clean up ptr->int cast
1503 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1505 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1506 * install.texi (Configurations): Ditto.
1507 * config.sub: Ditto.
1509 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1511 * Makefile.in (sdbout.o): Depend on insn-config.h.
1513 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1515 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1516 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1518 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1520 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1521 prologue insn, only the first elt is significant.
1522 (output_call_frame_info): For exception handling, always use 4-byte
1523 fields as specified by the dwarf2 spec.
1524 Don't skip trivial FDEs.
1526 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1528 * version.c: Bump for snapshot.
1530 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1532 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1533 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1536 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1538 * final.c (shorten_branches): During first pass, assume worst
1539 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1541 * Makefile.in (distclean): Remove various things left around
1542 by running the testsuite.
1544 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1546 * configure.in (out_file): Emit definition to config.status in order
1547 to have a defined value for configure.lang.
1548 * configure: Re-built.
1550 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1552 * configure.in: Make symlink to as-new rather than as.new. Similarly
1554 * configure: Rebuilt.
1556 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1558 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1560 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1562 * sparc/sparc.md: Add ultrasparc scheduling support.
1563 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1565 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1567 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1568 as initial value for real_label_map.
1569 (copy_for_inline): Likewise.
1571 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1573 * sched.c (update_flow_info) When looking if to set found_split_dest
1574 or found_orig_dest, look at all parts of a PARALLEL.
1575 * haifa-sched.c (update_flow_info): Likewise.
1577 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1579 * v850: New directory for v850 port.
1580 * v850/lib1funcs.asm: New file.
1581 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1582 * ginclude/va-v850.h: New file.
1583 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1584 * configure.in (mn10200-*-*): New target.
1585 * configure: Rebuilt.
1586 * config.sub: Handle v850-elf.
1587 * Makefile.in (USER_H): Add va-mn10200.h.
1588 * invoke.texi: Document v850 stuff.
1590 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1592 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1593 has integer TYPE_{MAX,MIN}_VALUE before using them.
1595 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1596 __HPUX_ASM__ versions.
1598 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1600 * install.sh: Delete duplicate install script.
1602 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1604 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1605 computed goto which sets the same stack register.
1607 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1608 destination are both on the regstack.
1609 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1611 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1613 * mips.md (nonlocal_goto_receiver): Define.
1615 * profile.c (output_arc_profiler): Check next_insert_after for non
1616 NULL before deferencing it.
1618 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1620 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1622 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1624 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1626 * toplev.c (rest_of_compilation): For passes starting with
1627 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1629 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1632 * flow.c (print_rtl_with_bb): Print which insns start and end
1633 basic blocks. For the start of a basic block, also print the live
1636 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1638 * toplev.c (main): Change #elif to #else/#ifdef
1640 * tlink.c: Include ctype.h.
1641 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1643 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1645 * bitmap.c: Conditionally include stdlib.h.
1646 (free): Provide a declaration if NEED_DECLARATION_FREE.
1648 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1650 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1652 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1654 * profile.c (output_arc_profiler): Verify next_insert_after is an
1655 INSN before and after skipping a stack pop.
1657 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1659 * final.c (shorten_branches): Don't count the lengths of deleted
1662 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1664 * version.c: Bump for snapshot.
1666 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1668 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1669 two bitmaps ANDed together.
1670 (bitmap_print): Declare.
1672 * bitmap.c (function_obstack): Don't declare any more.
1673 (bitmap_obstack): Obstack for allocating links from.
1674 (bitmap_obstack_init): New static to say whether to initialize
1676 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1677 (bitmap_release_memory): Free all memory allocated from
1680 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1681 EXECUTE_IF_AND_IN_BITMAP.
1683 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1685 * alias.c (true_dependence): Address with AND can alias scalars.
1686 (anti_dependence, output_dependence): Likewise.
1688 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1690 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1692 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1693 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1694 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1695 definitions. Use -qrtems instead of -mrtems.
1697 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1699 * xm-sco5.h (sys_siglist): Define.
1700 (SYS_SIGLIST_DECLARED): Likewise.
1702 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1704 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1706 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1708 * except.c (eh_outer_context): Expand masking operation using
1711 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1713 * alpha.md (floatdisf2-1): New pattern.
1715 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1717 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1718 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1719 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1720 * gcc.texi: Note that if you define sys_siglist that you should
1721 also define SYS_SIGLIST_DECLARED.
1723 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1724 are relative to the next instruction, not the current instruction.
1726 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1728 * local-alloc.c (contains_replace_regs): New function.
1729 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1730 verify that there is no existing REG_EQUIV note, and add a call to
1731 contains_place_regs.
1733 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1735 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1736 (STARTFILE_SPEC): Always use crtbegin.o%s
1737 (ENDFILE_SPEC): Always use crtend.o%s.
1739 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1741 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1743 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1744 SFmode for 64 bit hosts.
1746 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1748 * fixincludes: Permits spaces between # and define. Discard C++
1749 comments in sys/pci.h on HP/UX 10.20.
1751 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1753 * version.c: Bump for snapshot.
1755 * pa.c (restore_unscaled_index_insn_codes): New function.
1756 (record_unscaled_index_insn_codes): Likewise.
1757 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1758 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1759 (pa_reorg): Call record_unscaled_index_insn_codes.
1761 * haifa-sched.c (move_insn): Handle notes correctly for insns
1762 with SCHED_GROUP_P set.
1764 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1766 * alpha/xm-linux.h (USE_BFD): Undef before define.
1768 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1770 * cse.c (cse_insn): Don't record BLKmode values.
1772 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1774 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1776 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1778 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1779 * collect2.c (sys_errlist): Likewise.
1780 * cpplib.c (sys_errlist): Likewise.
1781 * gcc.c (sys_errlist): Likewise.
1782 * protoize (sys_errlist): Likewise.
1783 * configure.in: Check for strerror.
1784 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1785 * xm-gnu.h (HAVE_STRERROR): Likewise.
1786 * xm-linux.h (HAVE_STRERROR): Likewise.
1787 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1788 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1789 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1790 * xm-dos.h (HAVE_STRERROR): Likewise.
1791 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1792 * xm-pa.h (HAVE_STRERROR): Likewise.
1793 * xm-papro.h (HAVE_STRERROR): Likewise.
1794 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1795 * configure, config.in: Rebuilt.
1797 * Makefile.in: Add several missing "else true" clauses.
1799 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1800 * mips-tfile.c: Likewise.
1801 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1802 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1803 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1804 * configure.in: Check for sys_siglist declaration.
1805 * configure, config.in: Rebuilt.
1807 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1809 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1810 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1811 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1812 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1813 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1814 macro EXTRA_SUBTARGET_SWITCHES.
1815 * configure.in (sh*-*-rtems*): New target.
1816 * sh/rtems.h: New file.
1817 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1818 * configure: Rebuilt.
1820 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1822 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1824 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1826 * rs6000.md: Make DF fused-add operations pay attention to
1829 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1831 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1833 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1835 * pa.md (reload_peepholes): Make sure operand is a REG before
1836 examining REGNO. Allow general registers too.
1838 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1840 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1842 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1844 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1845 to reallocate abbrev_die_table.
1847 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1849 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1851 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1853 * Makefile.in (config.status): Depend on version.c
1855 * expr.h (insn_gen_function): Reenable prototype.
1857 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1860 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1862 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1864 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1866 * version.c: Bump for latest snapshot.
1868 * bc-optab.c: Conditionally include stdlib.h.
1869 (free): Provide a declaration if NEED_DECLARATION_FREE.
1870 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1871 * rtl.h (free): Remove declaration.
1872 * tree.h (free): Remvoe declaration.
1874 * configure: Rebuilt.
1876 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1878 * flags.h (flag_move_all_movables): Declare.
1879 (flag_reduce_all_givs): Likewise.
1880 * loop.c (move_movables): Handle flag_move_all_movables.
1881 (strength_reduce): Handle flag_reduce_all_givs.
1882 * toplev.c (flag_move_all_movables): Define.
1883 (flag_reduce_all_givs): Likewise.
1884 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1885 * invoke.texi: Document new options, including alias stuff that
1886 wasn't included last time.
1888 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1890 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1893 * t-vxworks68: Ditto.
1894 * t-vxworks960: Ditto.
1897 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1899 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1900 if not already defined, and USE_C_ALLOCA not defined.
1902 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1904 * config.guess: Replace with script that uses ../config.guess.
1906 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1907 if USE_GNULIBC_1 is not defined.
1909 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1911 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1912 * config.guess: Recognize alpha-linux-gnulibc1.
1913 * configure.in (alpha-*-linux-gnulibc1): New target.
1914 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1916 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1918 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1921 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1923 * loop.c (combine_movables): Earlier insns don't match later ones.
1925 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1927 * config/linux.h (CC1_SPEC): Define it only if not defined.
1929 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1932 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1933 USE_GNULIBC_1 is not defined.
1935 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1937 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1938 as 1 if USE_GNULIBC_1 is not defined.
1940 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1942 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1943 to be something other than a REG.
1944 * function.c (expand_function_end): Fix current_function_return_rtx
1947 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1948 * x-netbsd: Likewise
1949 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1950 (INSTALL_HEADERS): Delete.
1951 * x-dguxbcs: Likewise.
1952 * x-hp3bsd44: Likewise
1955 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1957 * i386.md (pop): pop increments the stack pointer.
1958 (prologue_set_stack_ptr): New pattern.
1959 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1962 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1964 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1965 address where an offsettable address is required.
1967 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1969 * loop.c (check_final_value): Don't miss a biv increment in a
1972 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1974 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1975 TYPE_DECL_IS_STUB instead of DECL_NAME.
1977 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1979 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1981 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1983 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1985 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1987 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1988 (find_post_sched_live): Likewise.
1990 * haifa-sched.c (schedule_block): Remove old code to get arguments
1991 from hard regs into pseudos early.
1993 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1995 * version.c: Bump for new snapshot.
1997 * local-alloc.c (update_equiv_regs): All the target to reject
1998 promotion of some REG_EQUAL to REG_EQUIV notes.
1999 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2001 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2004 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2005 store of the argument registers.
2007 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2009 * fold-const.c (multiple_of_p): New function.
2010 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2012 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2014 * expr.h (insn_gen_function): Temporarily remove prototype.
2016 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2018 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2019 filenames. Use sed to extract base filename for install.
2021 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2023 * unroll.c (find_splittable_givs): Only share if two givs have the
2024 same add and multiply values.
2026 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2028 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2029 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2031 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2033 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2034 around branch tables.
2035 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2036 and .end_brtab directives if TARGET_GAS.
2038 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2040 * alias.c (true_dependence): Pass x_addr not x to varies.
2042 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2043 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2044 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2046 * config.in, configure: Regenerate.
2048 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2050 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2052 (record_set): Handle LO_SUM like PLUS.
2053 (init_alias_analysis): When following chains of base addresses,
2054 do not stop on reaching a hard register.
2056 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2058 * version.c: Bump for new snapshot.
2060 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2062 * alpha.h (ARCH_ASM_FILE_START): Define.
2063 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2064 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2066 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2068 * Makefile.in (install-common): Put gcov comment at start of line.
2070 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2072 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2073 array, simplify entries for hard registers too.
2075 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2077 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2080 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2082 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2083 block_stack before dereferencing it.
2085 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2087 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2089 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2091 * cplus-dem.c: Add 'extern' to prepends_underscore.
2093 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2095 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2096 (get_issue_rate): Delete.
2097 * pa.h (ISSUE_RATE): Define.
2099 * configure.in: Turn on haifa by default for the PA.
2100 * configure: Rebuilt.
2101 * pa.c (override_options): Accept -mschedule=7200 option.
2102 (pa_adjust_cost): No longer need to scale costs for newer
2104 * pa.h (enum processor_type): Add PROCESSOR_7200.
2105 * pa.md: Revamp scheduling parameters to work better with
2106 haifa. Add scheduling parameters for the 7200.
2108 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2110 (schedule_block): When adjusting basic_block_{head,end}, account
2111 for movement of SCHED_GROUP_P insns too.
2113 * haifa-sched.c (debug_dependencies): Fix thinko.
2115 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2116 (site.exp, check, check-g++, check-gcc): New targets.
2118 * haifa-sched.c: Make lots of variables static.
2120 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2122 * expr.h, real.h: Finish prototyping.
2124 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2126 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2127 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2128 * reload1.c: Undo bugfix from Aug 11.
2130 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2132 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2133 quotes around the name.
2134 * configure: Regenerate.
2136 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2138 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2140 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2142 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2143 to sub-makes to avoid building more passes than the user might have
2144 requested on the command line.
2146 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2148 * configure.in: Expurgate `broken_install' (install is
2151 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2154 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2156 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2157 functions and declarations.
2158 (analyze_loop_iterations): Use condjump_p.
2159 (insert_bct): Likewise. Use exact_log2.
2161 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2163 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2164 (schedule_region): Likewise.
2165 (schedule_insns): Likewise.
2167 * PROJECTS: Update with Haifa stuff.
2169 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2171 * version.c: Change the version string to look like:
2172 egcs-2.90.00 970814 (gcc2-970802 experimental).
2174 * loop.c (is_conditional_branch): Make definition match declaration.
2176 * gcc.c: Take out experimental snapshot warning message.
2178 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2180 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2181 print out the names of the notes. Print out the name of the insn
2182 that is not a note, and not an {,CALL_,JUMP_}INSN.
2184 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2186 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2187 again for the slot after we give it RTL.
2189 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2191 * configure.in (haifa configury): Fix typo.
2192 * configure: Regenerate.
2194 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2196 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2198 * gcc.info*: Rebuilt.
2200 * COPYING.g77, README.g77: New files.
2201 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2202 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2203 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2205 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2207 * Integrate Haifa instruction scheduler.
2208 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2209 to sched with $(SCHED_CFLAGS.
2210 * configure.in: Handle --enable-haifa.
2211 * configure: Rebuilt.
2212 * flags.h: Add new flags for haifa instruction scheduler.
2213 * genattrtab.c (expand_units): For haifa, don't subtract one
2214 when computing blockage.
2215 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2216 (flag_schedule_speculative): Ditto.
2217 (flag_schedule_speculative_load): Ditto.
2218 (flag_schedule_speculative_load_dangerous): Ditto.
2219 (flag_schedule_reverse_before_reload): Ditto.
2220 (flag_schedule_reverse_after_reload): Ditto.
2221 (flag_branch_on_count_reg): Ditto.
2222 (f_options): Add Haifa switches.
2223 (main): Turn off some Haifa options if appropriate macro is
2224 defined. Process Haifa switches.
2225 * unroll.c (iteration_info): No longer static, since Haifa
2227 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2228 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2229 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2230 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2231 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2232 storage for the Haifa scheduler.
2233 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2235 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2236 are defined, call analyze_loop_iterations and insert_bct to use
2238 (record_giv): Refine test for jumps out of loops if HAIFA is
2240 (analyze_loop_iterations): New function to identify if we can use
2242 (insert_bct): Insert countdown loop.
2243 (instrument_loop_bct): Low level code to insert countdown loop.
2244 (loop_number): Calculate UID of loop.
2245 (indirect_jump_in_function_p): Return true if an indirect jump is
2247 (is_power_of_2): Return true if value is a power of 2.
2248 (is_conditional_branch): Return true if insn is a conditional
2250 (fix_bct_param): Process -fbct-{min,max}-N switches.
2251 (check_bct_param): Return true if loop should be instrumented.
2252 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2253 (loop_optimize): Initialize.
2254 (get_condition_for_loop): Ditto.
2255 * loop.c (strength_reduce): Inside of code that uses #ifdef
2256 HAVE_decrement_and_branch_on_count code, test it to make sure the
2258 (instrument_loop_bct): Ditto.
2259 * haifa-sched.c: New file.
2262 * Integrate regmove pass.
2263 * Makefile.in (OBJS): Add regmove.o
2264 (regmove.o): Add dependencies.
2265 * flow.c (find_use_as_address): No longer static.
2266 * rtl.h (find_use_as_address): Declare.
2267 * toplev.c (regmove_dump, flag_regmove): Define.
2268 (f_options): Add -fregmove.
2269 (regmove_dump_file, regmove_time): Define.
2270 (fatal_insn): Close the regmove dump file.
2271 (compile_file): Initialize regmove_time; open/close the regmove dump
2272 file as needed. Print regmove time as needed.
2273 (rest_of_compilation): Run regmove pass if requested, dump
2274 RTL after regmove if requested.
2275 (main): If -O2 or more, turn on regmove. Handle dump switches.
2276 * regmove.c: New file.
2278 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2280 * Integrate tlink patch from jason@cygnus.com
2281 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2282 (process_command): Increment n_switches for them. Don't discard
2283 their args. Validate them.
2284 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2286 (process_command): Set include_prefixes from COMPILER_PATH.
2287 (main): Set COLLECT_GCC_OPTIONS sooner.
2288 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2289 * tlink.c, hash.c, hash.h: New files.
2290 * Makefile.in (USE_COLLECT2): Always use collect2.
2291 (collect2): Depend on and link in hash.o and tlink.o.
2292 (tlink.o, hash.o): Add dependencies.
2294 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2296 * Integrate alias analysis changes from jfc@mit.edu
2297 * Makefile.in (OBJS): Add alias.o
2298 (alias.o): Add dependencies.
2299 * alias.c: New file.
2300 * sched.c: Remove alias analysis code. It lives in alias.c now.
2301 (sched_analyze_2): Add new arguments to true_dependence.
2302 (schedule_insns): Always call init_alias_analysis.
2303 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2304 mark return value from such functions as a pointer and keep track of
2305 them for alias analysis. If a return value from a function is a
2306 pointer, mark it as such.
2307 * combine.c (distribute_notes): Handle REG_NOALIAS.
2308 * cse.c (struct write_data): Delete. No longer needed.
2309 (invalidate): Don't call set_nonvarying_address_components anymore.
2310 Use true_dependence to decide if an entry should be removed from
2312 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2314 (note_mem_written): Similarly for WRITE_PTR argument.
2315 (invalidate_from_clobbers): Similarly for W argument.
2316 (invalidate_for_call): Remove memory elements from the hash table.
2317 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2318 (cse_rtx_varies_p): New function. Derived from old
2319 cse_rtx_addr_varies_p.
2320 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2321 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2322 pointer if PUSH_ROUNDING is defined. No longer need to call
2323 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2324 (skipped_writes_memory): Remove variable.
2325 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2326 (invalidate_skipped_block): Simplify for new alias analysis code.
2327 (cse_set_around_loop): Likewise.
2328 (cse_main): Call init_alias_analysis.
2329 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2330 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2331 (f_options): Add new alias checking arguments.
2332 (main): Set flag_alias_check when optimizing.
2333 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2335 (memref_referenced_p): Likewise.
2336 * loop.c (NUM_STORES): Increase to 30.
2337 (prescan_loop): Only non-constant calls set unknown_address_altered.
2338 (invariant_p): Add new arguments to true_dependence.
2339 (record_giv): Initialize unrolled and shared fields.
2340 (emit_iv_add_mult): Call record_base_value as needed.
2341 * loop.h (struct induction): Add unrolled and shared fields.
2342 * unroll.c (unroll_loop): Call record_base_value as needed.
2343 (copy_loop_body): Likewise.
2344 (final_biv_value): Likewise.
2345 (final_giv_value): Likewise.
2346 (find_splittable_regs): Likewise. Only create one new pseudo
2347 if we have multiple address GIVs that were combined with the same
2348 dst_reg GIV. Note when a new register is created due to unrolling.
2349 * rtl.c (reg_note_name): Add REG_NOALIAS.
2350 * rtl.h (enum reg_note): Similarly.
2351 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2352 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2353 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2354 (true_dependence, read_dependence, anti_dependence): Likewise.
2355 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2356 (mark_user_reg, mark_reg_pointer): Likewise.
2359 * Integrate reload bugfix from Wilon which enables the PA port
2361 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2362 OPERAND_ADDRESS when computing how many registers an insn needs.
2363 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2365 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2367 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2368 in reload_reg_use_in_op_addr do not reach the end.
2369 do not reach the end.
2370 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2371 RELOAD_FOR_OPERAND_ADDRESS.
2373 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2375 * egcs project officially starts.