1 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
7 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
10 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
12 * alpha.md (movqi, movhi): Make sure new insns created during reload
13 won't need reloading themselves.
14 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
16 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
18 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
20 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
22 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
23 Patch from Klaus Kaempf <kkaempf@progis.de>.
25 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
27 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
28 to an element in a constant string.
30 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
32 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
33 bit PC-relative offset. The exception range table pointer is now in
35 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
36 (count_fdes, add_fdes, get_cie): Adjust.
37 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
40 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
42 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
44 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
45 like stack_pointer_rtx.
47 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
49 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
50 targets using "$@" to provide support for similar but not identical
51 targets without having to duplicate code.
52 (bootstrap4): New goal.
54 * Makefile.in (compare, compare-lean, compare3): Combined to one
55 ruleset determining actions to be performed via $@.
56 (compare4, compare4-lean): New targets.
57 (gnucompare, gnucompare3): Combined to one ruleset determining
58 actions to be performed via $@. Also, note which files failed
59 the comparison test in .bad_compare.
60 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
62 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
64 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
65 if the dividend is a multiple of the divisor.
67 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
69 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
71 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
74 * alias.c (true_dependence): Fix typo.
76 * toplev.c (flag_rerun_loop_opt): New variable.
77 (f_options): Handle -frerun-loop-opt.
78 (rest_of_compilation): If -frerun-loop-opt, then run the loop
80 (main): Enable -frerun-loop-opt by default for -O2 or greater.
82 * loop.c (simplify_giv_expr): Adding two invariants results
85 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
87 * expr.c (get_inner_reference): Remove the array bias after
88 converting the index to Pmode.
90 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
92 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
93 (TARGET_MULT_BUG): Define.
94 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
95 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
97 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
99 * mn10200.c (indirect_memory_operand): Delete unused function.
100 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
101 * mn10200.md (bset, bclr insns): Handle output in a reg too.
103 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
105 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
106 the callee's ldgp, we must do it ourselves, and we use the jsr tag
107 for more than scheduling.
109 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
111 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
113 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
115 * mn10300.c (symbolic_operand, legitimize_address): New functions.
116 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
117 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
119 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
121 * version.c: Bump for snapshot.
123 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
125 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
128 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
130 * toplev.c (flag_exceptions): Default value is 2.
131 (compile_file): If flag_exceptions still has the value 2, then
134 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
135 (rs6000_save_machine_status): Save pic_offset_table_rtx.
136 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
138 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
141 * rs6000.md (*movsi_got_internal_mem): New pattern.
142 (*movsi_got_internal_mem splitter): New define_split.
144 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
146 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
148 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
150 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
151 only need to save LR.
153 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
155 * mn10300.md (movqi, movhi): Avoid using address registers as
156 destinations unless absolutely necessary.
158 * mn10200.c (expand_prologue): Fix typo.
160 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
162 * mn10200.md (neghi2): Provide an alternative which works if
163 the input and output register are the same.
165 * mn10300.c (print_operand): Handle 'S'.
166 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
167 shift amount in last alternative
169 * mn10300.c (expand_epilogue): Rework to handle register restores
170 in "ret" and "retf" instructions correctly.
172 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
174 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
175 extzv for memory operands.
177 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
178 redundant conditional moves to single operand.
180 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
182 * v850.h: Move define of __v850__ from CPP_PREDEFINES
185 * xm-v850.h: Use __v850 rather than __v850__ to
188 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
190 * mips/mips.c (compute_frame_size): Not a leaf function if
193 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
195 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
197 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
199 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
200 (DEFAULT_ARCH32_P): New macro.
201 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
202 (enum cmodel): Declare.
203 (sparc_cmodel_string,sparc_cmodel): Declare.
204 (SPARC_DEFAULT_CMODEL): Provide default.
205 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
206 (TARGET_FULLANY): Deleted.
207 (TARGET_CM_MEDMID): New macro.
208 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
209 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
210 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
212 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
213 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
214 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
215 (ASM_SPEC): Add %(asm_arch).
216 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
217 Rename asm_default to asm_cpu_default.
218 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
219 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
220 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
221 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
222 (MASK_INT64,MASK_LONG64): Delete.
223 (MASK_ARCH64): Renamed to MASK_64BIT.
224 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
225 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
226 (TARGET_SWITCHES): Always provide 64 bit options.
227 (ARCH64_SWITCHES): Delete.
228 (TARGET_OPTIONS): New option -mcmodel=.
229 (INT_TYPE_SIZE): Always 32.
230 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
231 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
232 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
233 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
234 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
236 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
237 * sparc/linux.h: Likewise.
238 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
239 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
240 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
241 (SPARC_DEFAULT_CMODEL): Define.
242 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
243 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
244 (LONG_DOUBLE_TYPE_SIZE): Define.
245 (ASM_SPEC): Add %(asm_arch).
246 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
247 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
248 (TARGET_CPU_DEFAULT): Add ultrasparc case.
249 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
250 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
251 (SPARC_DEFAULT_CMODEL): Define.
252 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
253 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
254 MASK_LONG64, MASK_MEDANY.
255 (SPARC_DEFAULT_CMODEL): Define.
256 (CPP_PREDEFINES): Delete.
257 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
258 (ASM_SPEC): Add %(asm_arch).
259 (LONG_DOUBLE_TYPE_SIZE): Define.
260 (DWARF2_DEBUGGING_INFO): Define.
261 * sparc/splet.h (CPP_SPEC): Delete.
262 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
263 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
264 (BLOCK_PROFILER): Likewise.
265 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
266 (sparc_override_options): Handle code model selection.
267 (sparc_init_expanders): Renamed from sparc64_init_expanders.
268 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
269 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
270 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
271 (sethi_di_fullany): Delete.
273 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
274 Jeff Law <law@cygnus.com>
275 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
277 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
278 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
279 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
280 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
281 * alpha/alpha.md (arg_home): Likewise.
283 * alpha/alpha.c (vmskrunch): Delete
284 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
285 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
286 truncate to 64 characters.
288 * make-l2.com: Support openVMS/Alpha.
290 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
292 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
294 * longlong.h (count_leading_zeros): Add missing casts to USItype.
296 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
298 * i386/bsd386.h (ASM_COMMENT_START): Define.
300 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
302 * tree.c (restore_tree_status): Also free up temporary storage
303 when we finish a toplevel function.
304 (dump_tree_statistics): Print stats for backend obstacks.
306 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
308 * expr.c (use_group_regs): Don't call use_reg for MEMs.
310 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
312 * libgcc2.c (__throw): Don't copy the return address.
313 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
315 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
316 * toplev.c (main): Initialize exceptions_via_longjmp.
318 * tree.c: Add extra_inline_obstacks.
319 (save_tree_status): Use it.
320 (restore_tree_status): If this is a toplevel inline obstack and we
321 didn't want to save anything on it, recycle it.
322 (print_inline_obstack_statistics): New fn.
323 * function.c (pop_function_context_from): Pass context to
325 * obstack.h (obstack_empty_p): New macro.
327 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
329 * i386/freebsd.h (ASM_COMMENT_START): Fix.
331 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
333 * v850.c (ep_memory_offset): New function.
334 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
336 * v850.h (CONST_OK_FOR_*): Add and correct comments.
337 (CONSTANT_ADDRESS_P): Add comment.
338 (EXTRA_CONSTRAINT): Define 'U'.
339 * v850.md: Add comments on bit field instructions.
340 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
341 (lshrsi3): Use N not J constraint.
343 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
345 * v850.c (reg_or_0_operand): Call register_operand.
346 (reg_or_int5_operand): Likewise.
347 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
348 (TARGET_SWITCHES): Add "big-switch".
349 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
350 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
351 (CASE_DROPS_THROUGH): Comment out.
352 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
353 * v850.md (cmpsi): Delete compare mode.
354 (casesi): New pattern.
356 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
357 * v850.md (ashlsi3): Use SImode not QImode for shift count.
360 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
361 unreachable switch statement after 'b' support. Remove "b" from
362 strings for 'b' support.
363 * v850.md (branch_normal, branch_invert): Change %b to b%b.
365 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
367 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
368 empty line if @inhibit_libc@ is empty.
370 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
372 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
373 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
374 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
375 (DWARF2_UNWIND_INFO): Let this track object file format.
376 (EXTRA_SECTIONS): Add in_eh.
377 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
378 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
380 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
382 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
383 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
385 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
386 (output_double_int): Output DI mode values correctly when
387 HOST_BITS_PER_WIDE_INT is 64.
388 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
389 fmovd so it works if a quad float ends up in one of the upper 32
391 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
392 necessary for PIC support on sparc64.
394 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
396 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
397 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
398 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
399 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
400 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
401 (SPARC_FP_ARG_FIRST): New macro.
402 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
403 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
404 (NPARM_REGS): There are 32 fp argument registers now.
405 (FUNCTION_ARG_REGNO_P): Likewise.
406 (FIRST_PARM_OFFSET): Update to new v9 abi.
407 (REG_PARM_STACK_SPACE): Define for arch64.
408 (enum sparc_arg_class): Delete.
409 (sparc_arg_count,sparc_n_named_args): Delete.
410 (struct sparc_args): Redefine and use for arch32 as well as arch64.
411 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
412 (FUNCTION_ARG_ADVANCE): Rewrite.
413 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
414 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
415 (FUNCTION_ARG_CALLEE_COPIES): Delete.
416 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
417 (STRICT_ARGUMENT_NAMING): Define.
418 (doublemove_string): Declare.
419 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
420 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
421 (doublemove_string): New function.
422 (output_move_quad): Clean up some of the arch64 support.
423 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
424 Don't add 8 bytes of reserved space if arch64.
425 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
426 (init_cumulative_args): New function.
427 (function_arg_slotno): New static function.
428 (function_arg,function_arg_partial_nregs): New functions.
429 (function_arg_{pass_by_reference,advance}): New functions.
430 (function_arg_padding): New function.
431 * ginclude/va-sparc.h: Rewrite v9 support.
433 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
435 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
436 for hard regs to determine base and index registers.
438 * reload.c (debug_reload_to_stream): New function. Specify stream
439 into which to write debug info.
440 (debug_reload): Modify to call debug_reload_to_stream with stderr.
442 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
444 * combine.c (can_combine_p): Don't combine with an asm whose
445 output is a hard register.
447 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
449 * c-decl.c (start_struct): Ensure that structs with forward
450 declarations are in fact packed when -fpack-struct is given.
452 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
453 we are packing a structure. This allows a structure with only
454 bytes to be aligned on a byte boundary and have no padding on a
457 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
459 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
461 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
463 * alpha.c (alpha_return_addr_rtx): New variable.
464 (alpha_save_machine_status): New; save it.
465 (alpha_restore_machine_status): New; restore it.
466 (alpha_init_expanders): New; clear it.
467 (alpha_return_addr): New; set it.
468 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
469 is overly conservative, so search the insns explicitly.
470 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
471 (alpha_sa_size [VMS && !VMS]): Likewise.
472 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
473 (INIT_EXPANDERS): New definition.
475 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
476 (output_prolog [!VMS]): Use them.
478 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
479 (alpha_does_function_need_gp): ... a new function. Refine the
480 CALL_INSN test to just TYPE_JSR.
481 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
483 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
485 * version.c: Bump for snapshot.
487 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
489 * pa.c (move_operand): Respect -mdisable-indexing.
490 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
492 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
494 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
496 (umulsidi3,umulsi3_highpart): Ditto.
497 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
499 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
501 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
502 (alpha_handle_trap_shadows): ... a new function. Handle the entire
503 function in one go. Emit RTL for trapb, instead of printf directly.
504 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
505 (trap_pending): Kill global variable.
506 (output_epilog): Don't call final_prescan_insn.
507 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
508 * alpha.h (FINAL_PRESCAN_INSN): Remove.
509 (MACHINE_DEPENENT_REORG): Define.
510 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
513 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
515 Tune Haifa scheduler for Alpha:
516 * alpha.h (ISSUE_RATE): Define.
517 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
518 EV4 adjustments to EV5.
519 * alpha.md: Remove all scaling from function unit delays. Rework
520 EV5 function units to match the CPU.
521 (umuldi3_highpart): EV5 added the IMULH insn class.
523 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
525 * pa.c (following_call): Fail if the CALL_INSN is an indirect
528 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
530 * cplus-dem.c (demangle_signature): Don't look for return types on
531 constructors. Handle member template constructors.
533 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
535 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
536 * tree.h: Declare them.
538 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
540 * configure.in: Handle --with-newlib.
541 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
543 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
545 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
547 * config/ptx4.h: Fix typo.
549 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
551 * version.c: Bump for snapshot.
553 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
555 * aclocal.m4: Substitute INSTALL.
556 * configure: Re-built.
558 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
560 * integrate.c (save_for_inline_copying): Avoid undefined pointer
562 (expand_inline_function): Likewise.
564 * dwarf2out.c (output_call_frame_info): Reinstate last change
565 using flag_debug_asm check instead of flag_verbose_asm.
567 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
569 * dwarf2out.c (output_call_frame_info): Remove last change.
571 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
573 * frame.c (__frame_state_for): Execute the FDE insns until the
574 current pc value is strictly bigger than the target pc value.
576 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
578 * regclass.c (init_reg_modes): If we can't find a mode for the
579 register, use the previous one.
581 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
583 * haifa-sched.c (print_block_visualization): Call fprintf directly,
584 don't sprintf through an alloca'ed buffer.
586 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
588 * reload.c (decompose): Always initialize val.base.
590 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
592 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
594 * dwarf2out.c (output_call_frame_info): Call app_enable and
595 app_disable to let GNU as accept the generated comments.
597 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
599 * tree.h (get_file_function_name): Add declaration.
600 * dwarf2out.c (output_call_frame_info): No need to cast
601 get_file_function_name call anymore.
602 * profile.c (toplevel): Remove get_file_function_name
604 * c-lang.c (finish_file): Ditto.
606 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
608 * Makefile.in (program_transform_name): Let autoconf substitute
611 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
613 * haifa-sched.c (schedule_block): If the first real insn in a
614 block has any special notes attached to it, remove them.
616 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
618 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
620 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
622 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
624 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
626 * Makefile.in (check-g77): New test target.
627 (CHECK-TARGETS): Add check-g77.
629 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
631 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
633 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
635 * flow.c (print_rtl_with_bb): Cast alloca return value for
638 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
640 * i386.h (RETURN_ADDR_RTX): New definition that works for
641 __builtin_return_address(0) and -fomit-frame-pointer.
643 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
646 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
648 * mips.c (function_arg): Handle passing a struct
649 containing a double in a DFmode register without the PARALLEL.
651 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
653 * pexecute.c: Use spawn if __CYGWIN32__.
655 * pexecute.c: Include "config.h" first, as per autoconf manual
656 (from Paul Eggert <eggert@twinsun.com>).
658 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
660 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
661 optimisation for f/expr.o and f/stb.o.
663 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
665 * cse.c (this_insn_cc0_mode): Initialize.
667 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
669 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
671 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
673 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
675 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
676 that pair will dual-issue on the 21164 and plus+beq won't.
677 (bne): Likewise for cmpeq+beq.
679 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
681 * except.c (find_exception_handler_labels): Correct argument to free.
683 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
685 * except.c (find_exception_handler_labels): Free LABELS when we're
688 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
690 * version.c: Bump for snapshot.
692 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
694 * flow.c (find_basic_blocks): Mark calls as potentially jumping
697 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
699 * configure.in: Substitute for "install" too.
700 * configure: Rebuilt.
702 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
704 * Makefile.in (bootstrap-lean, compare-lean): New targets.
706 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
708 * alias.c (base_alias_check): Two symbols can conflict if they
709 are accessed via AND.
710 (memrefs_conflict_p): Likewise.
712 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
713 after flushing argument registers to the stack.
715 * Makefile.in (mostlyclean): Remove .regmove files.
717 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
719 * libgcc2.c (__throw): Fix thinko.
721 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
723 * cplus-dem.c (demangle_template): Add new parameter. Handle new
724 template-function mangling.
725 (consume_count_with_underscores): New function.
726 (demangle_signature): Handle new name-mangling scheme.
728 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
730 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
733 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
735 * frame.c: Remove last change.
736 * dwarf2.h: Remove last change.
737 * tree.h: Add declarations of DWARF2 unwind info support
740 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
742 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
743 * tree.h (built_in_function): Likewise.
744 * expr.c (expand_builtin): Likewise.
745 * except.h: Likewise.
746 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
747 * libgcc2.c (copy_reg): New fn.
750 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
752 * c-typeck.c (build_binary_op): Warn about comparing signed vs
753 unsigned if -W is specified and -Wno-sign-compare is not.
754 * c-decl.c (warn_sign_compare): Initialize to -1.
755 (c_decode_option): -Wall no longer implies -Wsign-compare.
757 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
759 * frame.c: Include gansidecl.h for PROTO.
760 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
761 defined. Don't declare dwarf2out_cfi_label here.
762 * dwarf2.h: Add declarations of DWARF2 unwind info support
764 * m68k.c: Include dwarf2.h.
765 (output_function_prologue): Add dwarf2 support.
766 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
767 (INCOMING_FRAME_SP_OFFSET): Likewise.
769 * integrate.c (expand_inline_function): Make sure there is at
770 least one insn that can be used as an insertion point.
772 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
774 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
776 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
778 * version.c: Bump for snapshot.
780 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
784 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
786 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
787 (get_pc_via_rdpc): Renamed from get_pc_sp64.
788 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
790 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
792 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
793 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
795 (sparc_align_{loops,jumps,funcs}_string): Declare.
796 (sparc_align_{loops,jumps,funcs}): Declare.
797 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
798 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
799 (STACK_BIAS): Define.
800 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
802 (SPARC_SETHI_P): New macro.
803 (CONST_OK_FOR_LETTER_P): Use it.
804 (ASM_OUTPUT_ALIGN_CODE): Define.
805 (ASM_OUTPUT_LOOP_ALIGN): Define.
806 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
807 (sparc_align_{loops,jumps,funcs}): New globals.
808 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
810 (move_operand): Use SPARC_SETHI_P.
811 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
813 (arith11_double_operand): Likewise.
814 (arith10_double_operand): Likewise.
815 (finalize_pic): Finish sparc64 support.
816 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
817 64 bit constants if able.
818 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
819 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
821 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
822 (get_pc_sp32): Use for sparc64 as well.
823 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
824 (sethi_di_sp64_const): Likewise.
825 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
826 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
827 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
829 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
831 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
832 * sparc/linux.h (COMMENT_BEGIN): Likewise.
833 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
835 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
837 Add sparc64 linux support.
838 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
839 to xm_file list on 32-bit sparc-linux.
840 * sparc/xm-sp64.h: New file.
841 * sparc/linux64.h: New file.
842 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
843 Don't include xm-sparc.h.
844 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
845 * glimits.h (LONG_MAX): Handle sparc64.
847 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
849 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
850 * sparc.h (ASM_COMMENT_START): Define.
851 * sparc.c (output_function_prologue): Use it.
852 (sparc_flat_output_function_{epi,pro}logue): Likewise.
854 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
856 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
857 use sparc.h's copies.
858 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
861 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
863 * sparc.c (dwarf2out_cfi_label): Add declaration.
864 (save_regs, output_function_prologue): Remove cast for it.
865 (sparc_flat_{save_restore,output_function_prologue): Likewise.
866 ({save,restore}_regs): No longer inline.
868 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
870 * fold-const.c (make_range): Correctly handle cases of converting
871 from unsigned to signed type.
873 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
875 * fold-const.c (merge_ranges): Make sure that if one range is subset
876 of another, it will always be the second range. Correct (+,-) case to
879 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
881 * final.c (final_end_function): Also do dwarf2 thing if
882 DWARF2_DEBUGGING_INFO.
883 (final_start_function): Likewise.
885 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
887 * expmed.c (expand_divmod): If compute_mode is not the same as
888 mode, handle the case where convert_modes() causes op1 to no
889 longer be a CONST_INT.
891 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
892 note holding get_jump_flags() calculation to all JUMP_INSNs.
893 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
894 * rtl.c (reg_note_name): Add new note types.
896 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
898 * rtlanal.c (computed_jump_p): Fix typo in last change.
900 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
902 * loop.c (indirect_jump_in_function_p): Return 0
905 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
907 * rs6000/xm-rs6000.h: Fix thinko in last change.
908 * rs6000/xm-sysv4.h: Likewise.
910 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
912 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
914 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
916 * reg-stack.c (find_blocks): Fix thinko in last change.
918 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
920 * m68k.c (output_function_prologue): Add dwarf2 support.
922 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
923 INCOMING_FRAME_SP_OFFSET): New definitions.
925 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
927 * combine.c (try_combine): Use NULL_RTX instead of '0' where
928 appropriate in calls to gen_rtx().
929 * cse.c (cse_main): Likewise.
930 * emit-rtl.c (gen_label_rtx): Likewise.
931 * expr.c (init_expr_once): Likewise.
932 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
933 sched_analyze, init_rgn_data_dependences,
934 compute_block_backward_dependences): Likewise.
935 * sched.c (schedule_insns): Likewise.
936 * varasm.c (immed_double_const): Likewise.
938 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
939 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
941 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
943 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
944 (MULTILIB_DEFAULTS): Define.
945 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
946 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
947 (LIBGCC_SPEC): Likewise.
948 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
949 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
950 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
951 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
952 (EXTRA_PARTS, TAROUTOPTS): Delete.
953 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
954 (MULTILIB_OPTIONS): Define.
955 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
956 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
958 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
960 * version.c: Bump for snapshot.
962 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
964 * loop.c (loop_number): Delete function. Change all references
965 to use uid_loop_num array.
966 * loop.h (loop_number): Delete declaration.
967 * unroll.c (unroll_loop): Change "loop_number" references to
968 use uid_loop_num instead.
970 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
972 (loop_unroll_iter): Remove unused variable and all references.
973 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
974 (insert_bct): Fix minor formatting problems.
975 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
976 (loop_unroll_iter): Removed unused decl.
977 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
978 Always record the unrolling factor.
980 * cse.c (simplify_relational_operation): Set h0u just like h0s.
981 Similarly for h1u and h1s.
983 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
984 (find_basic_blocks): Use computed_jump_p to determine if a
985 particular JUMP_INSN is a computed jump.
986 * reg-stack.c (find_blocks): Use computed_jump_p to determine
987 if a particular JUMP_INSN is a computed jump.
988 * rtlanal.c (jmp_uses_reg_or_mem): New function.
989 (computed_jump_p): Likewise.
990 * rtl.h (computed_jump_p): Declare.
991 * genattrtab.c (pc_rtx): Define and initialize.
992 * loop.c (loop_optimize): Always determine if the current
993 function has a computed jump.
994 (indirect_jump_in_function_p): Use computed_jump_p to determine
995 if a particular JUMP_INSN is a computed jump.
997 * loop.c (fix_bct_param): Delete unused function.
998 (check_bct_param): Likewise.
1000 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1002 * frame.c (__deregister_frame): Check properly for initialized object.
1004 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1006 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1008 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1010 * jump.c (thread_jumps): check can_reverse_comparison_p before
1011 threading a reversed-condition jump.
1013 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1014 * haifa-sched.c (update_flow_info): Likewise.
1016 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1018 * Makefile.in (BOOT_CFLAGS): Use -O2.
1020 * configure.in (strtoul, bsearch): Have autoconf check for these
1022 * configure, config.in: Rebuilt.
1024 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1025 * mips/mips.h (alloca): Likewise.
1026 * rs6000/xm-rs6000.h (alloca): Likewise.
1027 * rs6000/xm-sysv4.h: Likewise.
1029 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1031 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1032 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1033 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1035 * except.c (end_eh_unwinder): Subtract 1 from return address.
1036 * libgcc2.c (__throw): Likewise.
1037 (find_exception_handler): Don't change PC here. Compare end with >.
1039 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1041 * v850.c (compute_register_save_size): Correct register
1043 * v850.md (save_interrupt, return_interrupt): Correct
1045 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1046 (return_interrupt): Use stack pointer, not element pointer.
1048 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1050 * configure.in, configure: Make sure to create the stage* and include
1051 symbolic links in each subdirectory.
1053 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1055 * pa.md (reload_peepholes): Don't allow addresses with side
1056 effects for the memory operand.
1058 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1060 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1061 looking for a handler, to avoid hitting the beginning of the next
1064 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1066 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1068 * mips/abi64.h (LONG_MAX_SPEC): Define.
1069 * mips.h (LONG_MAX_SPEC): Define.
1070 (CPP_SPEC): Include long_max_spec.
1071 (EXTRA_SPECS): Include long_max_spec.
1073 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1075 * v850.c (construct_save_jarl): Fix thinko in last change.
1077 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1079 * version.c: Bump for snapshot.
1081 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1083 * libgcc2.c (find_exception_handler): Not found is -1.
1085 * integrate.c (expand_inline_function): Move expand_start_bindings
1086 after expanding the arguments.
1088 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1090 * expr.c (expand_expr): Remove previous incorrect change.
1091 If target and slot has no DECL_RTL, then call mark_addressable
1092 again for the slot after we give it RTL.
1094 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1096 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1097 again for the slot after we give it RTL.
1099 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1101 * v850.c (register_is_ok_for_epilogue,
1102 pattern_is_ok_for_epilogue, construct_restore_jr,
1103 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1105 * v850.h (pattern_is_ok_for_prologue,
1106 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1109 * v850.md: Replace prologue and epilogue patterns with a
1110 match_parallel pattern.
1112 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1114 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1115 * configure.in: Use EGCS_PROG_INSTALL.
1117 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1119 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1120 extern inline function.
1122 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1124 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1125 (concat_loc_descriptor): New function.
1126 (loc_descriptor): Call it.
1127 (add_AT_location_description): Also elide the descriptor if both
1128 halves of a CONCAT are pseudos.
1129 (add_location_or_const_value_attribute): Recognize CONCAT too.
1131 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1133 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1135 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1136 out-or-range reg_offset.
1137 (output_epilog): Likewise.
1139 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1141 * cse.c (simplify_relational_operation): If MODE specifies a
1142 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1143 is derived from the sign bit of the low word.
1145 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1147 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1149 * dwarf2.h: Add DW_CFA_GNU_args_size.
1150 * frame.c (execute_cfa_insn): Likewise.
1151 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1152 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1153 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1154 insn, hand it off to dwarf2out_stack_adjust.
1155 (dwarf2out_begin_prologue): Initialize args_size.
1156 * frame.h (struct frame_state): Add args_size.
1157 * libgcc2.c (__throw): Use args_size.
1158 * final.c (final_scan_insn): If we push args, hand off all insns
1159 to dwarf2out_frame_debug.
1160 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1162 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1163 Handle epilogue restore of SP from FP.
1164 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1165 lone insn has RTX_FRAME_RELATED_P set.
1167 * frame.c (extract_cie_info): Handle "e" augmentation.
1168 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1169 absence of UNALIGNED_*_ASM_OP.
1170 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1171 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1172 Don't emit augmentation fields length.
1173 (dwarf2out_do_frame): Move outside of #ifdefs.
1174 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1177 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1178 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1179 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1180 * sparc/sun4gas.h: New file.
1181 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1183 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1184 __register_frame_table and __deregister_frame.
1186 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1188 * except.c (find_exception_handler_labels): Use xmalloc instead of
1189 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1192 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1194 * Makefile.in: Various changes to build info files
1195 in the object tree rather than the source tree.
1197 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1199 * fixinc.math: New file to fix math.h on some systems.
1200 * configure.in (freebsd, netbsd): Use fixinc.math on these
1202 * configure: Rebuilt.
1204 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1206 * regmove.c (regmove_optimize): If we end up moving the
1207 original insn due to lifetime overlaps, make sure to move
1210 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1212 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1214 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1216 * haifa-sched.c (add_branch_dependences): Make each insn in
1217 a SCHED_GROUP_P block explicitly depend on the previous insn.
1219 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1221 * except.h: Prototype dwarf2 hooks.
1224 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1226 * configure.in (native_prefix): Delete.
1227 (mips-dec-netbsd): Don't set prefix.
1228 (*linux*): Don't set prefix.
1230 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1232 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1233 defined. If not defined, include <sys/varargs.h> if
1234 HAVE_SYS_VARARGS_H is defined.
1235 * configure.in: Test for varargs.h and sys/varargs.h.
1236 * configure: Regenerate with autoconf.
1237 * config.in: Regenerate with autoheader.
1239 * cpplib.c (quote_string): Cast first arg of sprintf call
1240 from "unsigned char *" to "char *".
1241 (output_line_command): Ditto.
1242 (macroexpand): Ditto.
1243 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1245 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1247 * version.c: Bump for snapshot.
1249 * Makefile.in (compare): Exit with nonzero status if there
1250 are comparison failures. Note which files failed the
1251 comparison test in .bad_compare.
1253 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1255 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1257 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1259 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1260 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1261 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1262 * configure: Regenerated.
1264 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1266 * loop.c (strength_reduce): Fix typo.
1268 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1270 * m88k/m88k.c (struct option): Rename to struct options.
1271 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1272 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1273 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1274 __DOLPHIN__ or sysV88.
1276 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1278 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1281 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1283 * config.sub: Accept 'amigados' for backward compatability.
1285 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1287 * Makefile.in (testsuite/site.exp): New target.
1288 (check-gcc, check-g++): Depend on testsuite/site.exp.
1289 Don't stop for failure.
1291 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1293 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1294 if DWARF2_UNWIND_INFO.
1296 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1298 Add support for exception handling using DWARF 2 frame unwind info.
1299 Currently works on SPARC and MIPS, and almost on x86.
1301 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1302 next_stack_level, in_reg_window): Helper fns.
1303 (__throw): Implement for DWARF2_UNWIND_INFO.
1305 * expr.c (expand_builtin): Handle builtins used by __throw.
1306 * tree.h (enum built_in_function): Add builtins used by __throw.
1307 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1308 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1309 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1310 (expand_builtin_extract_return_addr): Likewise.
1311 (expand_builtin_frob_return_addr): Likewise.
1312 (expand_builtin_set_return_addr_reg): Likewise.
1313 (expand_builtin_eh_stub): Likewise.
1314 (expand_builtin_set_eh_regs): Likewise.
1315 (eh_regs): Choose two call-clobbered registers for passing back values.
1317 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1318 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1319 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1320 (stmp-multilib): Likewise.
1321 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1323 * except.c: #include "defaults.h".
1324 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1325 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1326 (register_exception_table_p): New fn.
1327 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1328 (end_eh_unwinder): Likewise.
1330 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1331 call __register_frame and __deregister_frame as needed.
1332 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1333 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1334 EH_FRAME_SECTION_ASM_OP.
1335 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1336 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1337 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1339 * dwarf2out.c (output_call_frame_info): If no support for
1340 EXCEPTION_SECTION, mark the start of the frame info with a
1342 * collect2.c (frame_tables): New list.
1343 (is_ctor_dtor): Recognise frame entries.
1344 (scan_prog_file): Likewise.
1345 (main): Pass -fno-exceptions to sub-compile. Also do collection
1346 if there are any frame entries.
1347 (write_c_file_stat): Call __register_frame_table and
1348 __deregister_frame as needed.
1349 (write_c_file_glob): Likewise.
1351 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1352 Also require unaligned reloc support.
1353 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1354 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1355 * sparc/sysv4.h: Not here.
1357 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1358 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1359 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1361 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1362 EH implementations to the top.
1363 (find_exception_handler): Split out. Start from 0. Compare against
1365 (__find_first_exception_table_match): Use it.
1366 * except.c (output_exception_table): Don't do anything if there's
1367 no table. Don't output a first entry of zeroes.
1368 (eh_outer_context): Adjust properly.
1369 (add_eh_table_entry): Use xrealloc.
1370 * toplev.c (compile_file): Just call output_exception_table.
1372 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1374 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1376 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1378 * except.c (eh_outer_context): Do masking using expand_and.
1380 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1382 Add port done awhile ago for the ARC cpu.
1383 * arc/arc.h: New file.
1384 * arc/arc.c: New file.
1385 * arc/arc.md: New file.
1386 * arc/initfini.c: New file.
1387 * arc/lib1funcs.asm: New file.
1388 * arc/t-arc: New file.
1389 * arc/xm-arc.h: New file.
1390 * ginclude/va-arc.h: New file.
1391 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1392 * ginclude/varargs.h: Likewise.
1393 * Makefile.in (USER_H): Add va-arc.h.
1394 * configure.in (arc-*-elf*): Recognize.
1395 * longlong.h: Add ARC support.
1397 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1399 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1400 when clearing non-BLKmode data.
1402 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1404 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1405 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1407 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1409 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1411 * Makefile.in (clean): Delete libgcc1-test.
1413 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1415 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1417 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1420 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1422 * dwarf2out.c (output_call_frame_info): Call named_section.
1424 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1426 * haifa-sched.c (print_value): Fix last change.
1428 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1430 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1433 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1435 * mips.c (function_prologue): Set up the CFA when ABI_32.
1437 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1438 for dwarf2 unwind info.
1439 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1441 * final.c (final_end_function): Check dwarf2out_do_frame instead
1442 of DWARF2_DEBUG for dwarf2 unwind info.
1443 (final_scan_insn): Likewise.
1444 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1447 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1450 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1452 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1454 * v850.h (ASM_SPEC): Pass on target processor.
1455 (CPP_PREDEFINES): Only define if not already specified.
1456 (TARGET_VERSION): Only define if not already specified.
1457 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1459 (EXTRA_SWITCHES): Extra entries in the switches array.
1460 (TARGET_DEFAULT): Set default target processor.
1462 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1464 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1465 cases, add %# and %/, and add : to make them into extended asms.
1467 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1469 * alias.c (init_alias_analysis): Clean up incompatible pointer
1470 type warning in bzero.
1471 * regmove.c (regmove_optimize): Ditto.
1472 * haifa-sched.c (find_rgns): Ditto.
1474 * haifa-sched.c (print_value): Clean up ptr->int cast
1477 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1479 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1480 * install.texi (Configurations): Ditto.
1481 * config.sub: Ditto.
1483 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1485 * Makefile.in (sdbout.o): Depend on insn-config.h.
1487 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1489 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1490 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1492 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1494 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1495 prologue insn, only the first elt is significant.
1496 (output_call_frame_info): For exception handling, always use 4-byte
1497 fields as specified by the dwarf2 spec.
1498 Don't skip trivial FDEs.
1500 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1502 * version.c: Bump for snapshot.
1504 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1506 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1507 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1510 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1512 * final.c (shorten_branches): During first pass, assume worst
1513 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1515 * Makefile.in (distclean): Remove various things left around
1516 by running the testsuite.
1518 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1520 * configure.in (out_file): Emit definition to config.status in order
1521 to have a defined value for configure.lang.
1522 * configure: Re-built.
1524 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1526 * configure.in: Make symlink to as-new rather than as.new. Similarly
1528 * configure: Rebuilt.
1530 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1532 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1534 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1536 * sparc/sparc.md: Add ultrasparc scheduling support.
1537 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1539 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1541 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1542 as initial value for real_label_map.
1543 (copy_for_inline): Likewise.
1545 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * sched.c (update_flow_info) When looking if to set found_split_dest
1548 or found_orig_dest, look at all parts of a PARALLEL.
1549 * haifa-sched.c (update_flow_info): Likewise.
1551 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1553 * v850: New directory for v850 port.
1554 * v850/lib1funcs.asm: New file.
1555 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1556 * ginclude/va-v850.h: New file.
1557 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1558 * configure.in (mn10200-*-*): New target.
1559 * configure: Rebuilt.
1560 * config.sub: Handle v850-elf.
1561 * Makefile.in (USER_H): Add va-mn10200.h.
1562 * invoke.texi: Document v850 stuff.
1564 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1566 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1567 has integer TYPE_{MAX,MIN}_VALUE before using them.
1569 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1570 __HPUX_ASM__ versions.
1572 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1574 * install.sh: Delete duplicate install script.
1576 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1578 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1579 computed goto which sets the same stack register.
1581 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1582 destination are both on the regstack.
1583 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1585 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1587 * mips.md (nonlocal_goto_receiver): Define.
1589 * profile.c (output_arc_profiler): Check next_insert_after for non
1590 NULL before deferencing it.
1592 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1594 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1596 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1598 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1600 * toplev.c (rest_of_compilation): For passes starting with
1601 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1603 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1606 * flow.c (print_rtl_with_bb): Print which insns start and end
1607 basic blocks. For the start of a basic block, also print the live
1610 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1612 * toplev.c (main): Change #elif to #else/#ifdef
1614 * tlink.c: Include ctype.h.
1615 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1617 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1619 * bitmap.c: Conditionally include stdlib.h.
1620 (free): Provide a declaration if NEED_DECLARATION_FREE.
1622 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1624 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1626 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1628 * profile.c (output_arc_profiler): Verify next_insert_after is an
1629 INSN before and after skipping a stack pop.
1631 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1633 * final.c (shorten_branches): Don't count the lengths of deleted
1636 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1638 * version.c: Bump for snapshot.
1640 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1642 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1643 two bitmaps ANDed together.
1644 (bitmap_print): Declare.
1646 * bitmap.c (function_obstack): Don't declare any more.
1647 (bitmap_obstack): Obstack for allocating links from.
1648 (bitmap_obstack_init): New static to say whether to initialize
1650 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1651 (bitmap_release_memory): Free all memory allocated from
1654 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1655 EXECUTE_IF_AND_IN_BITMAP.
1657 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1659 * alias.c (true_dependence): Address with AND can alias scalars.
1660 (anti_dependence, output_dependence): Likewise.
1662 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1664 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1666 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1667 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1668 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1669 definitions. Use -qrtems instead of -mrtems.
1671 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1673 * xm-sco5.h (sys_siglist): Define.
1674 (SYS_SIGLIST_DECLARED): Likewise.
1676 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1678 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1680 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1682 * except.c (eh_outer_context): Expand masking operation using
1685 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1687 * alpha.md (floatdisf2-1): New pattern.
1689 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1691 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1692 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1693 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1694 * gcc.texi: Note that if you define sys_siglist that you should
1695 also define SYS_SIGLIST_DECLARED.
1697 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1698 are relative to the next instruction, not the current instruction.
1700 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1702 * local-alloc.c (contains_replace_regs): New function.
1703 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1704 verify that there is no existing REG_EQUIV note, and add a call to
1705 contains_place_regs.
1707 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1709 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1710 (STARTFILE_SPEC): Always use crtbegin.o%s
1711 (ENDFILE_SPEC): Always use crtend.o%s.
1713 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1715 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1717 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1718 SFmode for 64 bit hosts.
1720 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1722 * fixincludes: Permits spaces between # and define. Discard C++
1723 comments in sys/pci.h on HP/UX 10.20.
1725 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1727 * version.c: Bump for snapshot.
1729 * pa.c (restore_unscaled_index_insn_codes): New function.
1730 (record_unscaled_index_insn_codes): Likewise.
1731 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1732 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1733 (pa_reorg): Call record_unscaled_index_insn_codes.
1735 * haifa-sched.c (move_insn): Handle notes correctly for insns
1736 with SCHED_GROUP_P set.
1738 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1740 * alpha/xm-linux.h (USE_BFD): Undef before define.
1742 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1744 * cse.c (cse_insn): Don't record BLKmode values.
1746 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1748 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1750 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1752 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1753 * collect2.c (sys_errlist): Likewise.
1754 * cpplib.c (sys_errlist): Likewise.
1755 * gcc.c (sys_errlist): Likewise.
1756 * protoize (sys_errlist): Likewise.
1757 * configure.in: Check for strerror.
1758 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1759 * xm-gnu.h (HAVE_STRERROR): Likewise.
1760 * xm-linux.h (HAVE_STRERROR): Likewise.
1761 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1762 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1763 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1764 * xm-dos.h (HAVE_STRERROR): Likewise.
1765 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1766 * xm-pa.h (HAVE_STRERROR): Likewise.
1767 * xm-papro.h (HAVE_STRERROR): Likewise.
1768 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1769 * configure, config.in: Rebuilt.
1771 * Makefile.in: Add several missing "else true" clauses.
1773 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1774 * mips-tfile.c: Likewise.
1775 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1776 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1777 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1778 * configure.in: Check for sys_siglist declaration.
1779 * configure, config.in: Rebuilt.
1781 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1783 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1784 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1785 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1786 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1787 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1788 macro EXTRA_SUBTARGET_SWITCHES.
1789 * configure.in (sh*-*-rtems*): New target.
1790 * sh/rtems.h: New file.
1791 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1792 * configure: Rebuilt.
1794 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1796 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1798 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1800 * rs6000.md: Make DF fused-add operations pay attention to
1803 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1805 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1807 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1809 * pa.md (reload_peepholes): Make sure operand is a REG before
1810 examining REGNO. Allow general registers too.
1812 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1814 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1816 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1818 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1819 to reallocate abbrev_die_table.
1821 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1823 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1825 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1827 * Makefile.in (config.status): Depend on version.c
1829 * expr.h (insn_gen_function): Reenable prototype.
1831 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1834 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1836 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1838 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1840 * version.c: Bump for latest snapshot.
1842 * bc-optab.c: Conditionally include stdlib.h.
1843 (free): Provide a declaration if NEED_DECLARATION_FREE.
1844 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1845 * rtl.h (free): Remove declaration.
1846 * tree.h (free): Remvoe declaration.
1848 * configure: Rebuilt.
1850 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1852 * flags.h (flag_move_all_movables): Declare.
1853 (flag_reduce_all_givs): Likewise.
1854 * loop.c (move_movables): Handle flag_move_all_movables.
1855 (strength_reduce): Handle flag_reduce_all_givs.
1856 * toplev.c (flag_move_all_movables): Define.
1857 (flag_reduce_all_givs): Likewise.
1858 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1859 * invoke.texi: Document new options, including alias stuff that
1860 wasn't included last time.
1862 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1864 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1867 * t-vxworks68: Ditto.
1868 * t-vxworks960: Ditto.
1871 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1873 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1874 if not already defined, and USE_C_ALLOCA not defined.
1876 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1878 * config.guess: Replace with script that uses ../config.guess.
1880 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1881 if USE_GNULIBC_1 is not defined.
1883 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1885 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1886 * config.guess: Recognize alpha-linux-gnulibc1.
1887 * configure.in (alpha-*-linux-gnulibc1): New target.
1888 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1890 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1892 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1895 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1897 * loop.c (combine_movables): Earlier insns don't match later ones.
1899 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1901 * config/linux.h (CC1_SPEC): Define it only if not defined.
1903 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1906 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1907 USE_GNULIBC_1 is not defined.
1909 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1911 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1912 as 1 if USE_GNULIBC_1 is not defined.
1914 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1916 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1917 to be something other than a REG.
1918 * function.c (expand_function_end): Fix current_function_return_rtx
1921 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1922 * x-netbsd: Likewise
1923 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1924 (INSTALL_HEADERS): Delete.
1925 * x-dguxbcs: Likewise.
1926 * x-hp3bsd44: Likewise
1929 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1931 * i386.md (pop): pop increments the stack pointer.
1932 (prologue_set_stack_ptr): New pattern.
1933 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1936 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1938 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1939 address where an offsettable address is required.
1941 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1943 * loop.c (check_final_value): Don't miss a biv increment in a
1946 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1948 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1949 TYPE_DECL_IS_STUB instead of DECL_NAME.
1951 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1953 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1955 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1957 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1959 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1961 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1962 (find_post_sched_live): Likewise.
1964 * haifa-sched.c (schedule_block): Remove old code to get arguments
1965 from hard regs into pseudos early.
1967 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1969 * version.c: Bump for new snapshot.
1971 * local-alloc.c (update_equiv_regs): All the target to reject
1972 promotion of some REG_EQUAL to REG_EQUIV notes.
1973 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1975 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1978 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1979 store of the argument registers.
1981 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1983 * fold-const.c (multiple_of_p): New function.
1984 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1986 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1988 * expr.h (insn_gen_function): Temporarily remove prototype.
1990 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1992 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1993 filenames. Use sed to extract base filename for install.
1995 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1997 * unroll.c (find_splittable_givs): Only share if two givs have the
1998 same add and multiply values.
2000 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2002 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2003 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2005 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2007 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2008 around branch tables.
2009 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2010 and .end_brtab directives if TARGET_GAS.
2012 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2014 * alias.c (true_dependence): Pass x_addr not x to varies.
2016 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2017 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2018 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2020 * config.in, configure: Regenerate.
2022 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2024 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2026 (record_set): Handle LO_SUM like PLUS.
2027 (init_alias_analysis): When following chains of base addresses,
2028 do not stop on reaching a hard register.
2030 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2032 * version.c: Bump for new snapshot.
2034 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2036 * alpha.h (ARCH_ASM_FILE_START): Define.
2037 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2038 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2040 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2042 * Makefile.in (install-common): Put gcov comment at start of line.
2044 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2046 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2047 array, simplify entries for hard registers too.
2049 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2051 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2054 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2056 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2057 block_stack before dereferencing it.
2059 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2061 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2063 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2065 * cplus-dem.c: Add 'extern' to prepends_underscore.
2067 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2069 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2070 (get_issue_rate): Delete.
2071 * pa.h (ISSUE_RATE): Define.
2073 * configure.in: Turn on haifa by default for the PA.
2074 * configure: Rebuilt.
2075 * pa.c (override_options): Accept -mschedule=7200 option.
2076 (pa_adjust_cost): No longer need to scale costs for newer
2078 * pa.h (enum processor_type): Add PROCESSOR_7200.
2079 * pa.md: Revamp scheduling parameters to work better with
2080 haifa. Add scheduling parameters for the 7200.
2082 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2084 (schedule_block): When adjusting basic_block_{head,end}, account
2085 for movement of SCHED_GROUP_P insns too.
2087 * haifa-sched.c (debug_dependencies): Fix thinko.
2089 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2090 (site.exp, check, check-g++, check-gcc): New targets.
2092 * haifa-sched.c: Make lots of variables static.
2094 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2096 * expr.h, real.h: Finish prototyping.
2098 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2100 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2101 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2102 * reload1.c: Undo bugfix from Aug 11.
2104 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2106 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2107 quotes around the name.
2108 * configure: Regenerate.
2110 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2112 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2114 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2116 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2117 to sub-makes to avoid building more passes than the user might have
2118 requested on the command line.
2120 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2122 * configure.in: Expurgate `broken_install' (install is
2125 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2128 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2130 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2131 functions and declarations.
2132 (analyze_loop_iterations): Use condjump_p.
2133 (insert_bct): Likewise. Use exact_log2.
2135 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2137 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2138 (schedule_region): Likewise.
2139 (schedule_insns): Likewise.
2141 * PROJECTS: Update with Haifa stuff.
2143 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2145 * version.c: Change the version string to look like:
2146 egcs-2.90.00 970814 (gcc2-970802 experimental).
2148 * loop.c (is_conditional_branch): Make definition match declaration.
2150 * gcc.c: Take out experimental snapshot warning message.
2152 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2154 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2155 print out the names of the notes. Print out the name of the insn
2156 that is not a note, and not an {,CALL_,JUMP_}INSN.
2158 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2160 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2161 again for the slot after we give it RTL.
2163 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2165 * configure.in (haifa configury): Fix typo.
2166 * configure: Regenerate.
2168 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2170 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2172 * gcc.info*: Rebuilt.
2174 * COPYING.g77, README.g77: New files.
2175 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2176 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2177 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2179 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2181 * Integrate Haifa instruction scheduler.
2182 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2183 to sched with $(SCHED_CFLAGS.
2184 * configure.in: Handle --enable-haifa.
2185 * configure: Rebuilt.
2186 * flags.h: Add new flags for haifa instruction scheduler.
2187 * genattrtab.c (expand_units): For haifa, don't subtract one
2188 when computing blockage.
2189 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2190 (flag_schedule_speculative): Ditto.
2191 (flag_schedule_speculative_load): Ditto.
2192 (flag_schedule_speculative_load_dangerous): Ditto.
2193 (flag_schedule_reverse_before_reload): Ditto.
2194 (flag_schedule_reverse_after_reload): Ditto.
2195 (flag_branch_on_count_reg): Ditto.
2196 (f_options): Add Haifa switches.
2197 (main): Turn off some Haifa options if appropriate macro is
2198 defined. Process Haifa switches.
2199 * unroll.c (iteration_info): No longer static, since Haifa
2201 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2202 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2203 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2204 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2205 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2206 storage for the Haifa scheduler.
2207 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2209 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2210 are defined, call analyze_loop_iterations and insert_bct to use
2212 (record_giv): Refine test for jumps out of loops if HAIFA is
2214 (analyze_loop_iterations): New function to identify if we can use
2216 (insert_bct): Insert countdown loop.
2217 (instrument_loop_bct): Low level code to insert countdown loop.
2218 (loop_number): Calculate UID of loop.
2219 (indirect_jump_in_function_p): Return true if an indirect jump is
2221 (is_power_of_2): Return true if value is a power of 2.
2222 (is_conditional_branch): Return true if insn is a conditional
2224 (fix_bct_param): Process -fbct-{min,max}-N switches.
2225 (check_bct_param): Return true if loop should be instrumented.
2226 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2227 (loop_optimize): Initialize.
2228 (get_condition_for_loop): Ditto.
2229 * loop.c (strength_reduce): Inside of code that uses #ifdef
2230 HAVE_decrement_and_branch_on_count code, test it to make sure the
2232 (instrument_loop_bct): Ditto.
2233 * haifa-sched.c: New file.
2236 * Integrate regmove pass.
2237 * Makefile.in (OBJS): Add regmove.o
2238 (regmove.o): Add dependencies.
2239 * flow.c (find_use_as_address): No longer static.
2240 * rtl.h (find_use_as_address): Declare.
2241 * toplev.c (regmove_dump, flag_regmove): Define.
2242 (f_options): Add -fregmove.
2243 (regmove_dump_file, regmove_time): Define.
2244 (fatal_insn): Close the regmove dump file.
2245 (compile_file): Initialize regmove_time; open/close the regmove dump
2246 file as needed. Print regmove time as needed.
2247 (rest_of_compilation): Run regmove pass if requested, dump
2248 RTL after regmove if requested.
2249 (main): If -O2 or more, turn on regmove. Handle dump switches.
2250 * regmove.c: New file.
2252 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2254 * Integrate tlink patch from jason@cygnus.com
2255 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2256 (process_command): Increment n_switches for them. Don't discard
2257 their args. Validate them.
2258 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2260 (process_command): Set include_prefixes from COMPILER_PATH.
2261 (main): Set COLLECT_GCC_OPTIONS sooner.
2262 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2263 * tlink.c, hash.c, hash.h: New files.
2264 * Makefile.in (USE_COLLECT2): Always use collect2.
2265 (collect2): Depend on and link in hash.o and tlink.o.
2266 (tlink.o, hash.o): Add dependencies.
2268 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2270 * Integrate alias analysis changes from jfc@mit.edu
2271 * Makefile.in (OBJS): Add alias.o
2272 (alias.o): Add dependencies.
2273 * alias.c: New file.
2274 * sched.c: Remove alias analysis code. It lives in alias.c now.
2275 (sched_analyze_2): Add new arguments to true_dependence.
2276 (schedule_insns): Always call init_alias_analysis.
2277 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2278 mark return value from such functions as a pointer and keep track of
2279 them for alias analysis. If a return value from a function is a
2280 pointer, mark it as such.
2281 * combine.c (distribute_notes): Handle REG_NOALIAS.
2282 * cse.c (struct write_data): Delete. No longer needed.
2283 (invalidate): Don't call set_nonvarying_address_components anymore.
2284 Use true_dependence to decide if an entry should be removed from
2286 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2288 (note_mem_written): Similarly for WRITE_PTR argument.
2289 (invalidate_from_clobbers): Similarly for W argument.
2290 (invalidate_for_call): Remove memory elements from the hash table.
2291 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2292 (cse_rtx_varies_p): New function. Derived from old
2293 cse_rtx_addr_varies_p.
2294 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2295 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2296 pointer if PUSH_ROUNDING is defined. No longer need to call
2297 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2298 (skipped_writes_memory): Remove variable.
2299 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2300 (invalidate_skipped_block): Simplify for new alias analysis code.
2301 (cse_set_around_loop): Likewise.
2302 (cse_main): Call init_alias_analysis.
2303 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2304 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2305 (f_options): Add new alias checking arguments.
2306 (main): Set flag_alias_check when optimizing.
2307 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2309 (memref_referenced_p): Likewise.
2310 * loop.c (NUM_STORES): Increase to 30.
2311 (prescan_loop): Only non-constant calls set unknown_address_altered.
2312 (invariant_p): Add new arguments to true_dependence.
2313 (record_giv): Initialize unrolled and shared fields.
2314 (emit_iv_add_mult): Call record_base_value as needed.
2315 * loop.h (struct induction): Add unrolled and shared fields.
2316 * unroll.c (unroll_loop): Call record_base_value as needed.
2317 (copy_loop_body): Likewise.
2318 (final_biv_value): Likewise.
2319 (final_giv_value): Likewise.
2320 (find_splittable_regs): Likewise. Only create one new pseudo
2321 if we have multiple address GIVs that were combined with the same
2322 dst_reg GIV. Note when a new register is created due to unrolling.
2323 * rtl.c (reg_note_name): Add REG_NOALIAS.
2324 * rtl.h (enum reg_note): Similarly.
2325 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2326 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2327 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2328 (true_dependence, read_dependence, anti_dependence): Likewise.
2329 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2330 (mark_user_reg, mark_reg_pointer): Likewise.
2333 * Integrate reload bugfix from Wilon which enables the PA port
2335 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2336 OPERAND_ADDRESS when computing how many registers an insn needs.
2337 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2339 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2341 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2342 in reload_reg_use_in_op_addr do not reach the end.
2343 do not reach the end.
2344 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2345 RELOAD_FOR_OPERAND_ADDRESS.
2347 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2349 * egcs project officially starts.
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