1 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
6 * emit-rtl.c (hard-reg-set.h): Include.
7 (get_lowpart_common): Don't make new REG for hard reg in a
8 class that cannot change size.
9 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
11 * combine.c: Revert previous patch.
13 Tue Feb 17 23:34:29 1998 David Edelsohn <edelsohn@mhpcc.edu>
15 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
16 * x-aix31 (INSTALL): Delete.
18 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
20 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
21 simplifying a subreg of a hard reg.
22 (expand_compound_operation): Likewise.
23 (force_to_mode): Likewise.
25 Sun Feb 15 21:07:48 1998 Jeffrey A Law (law@cygnus.com)
27 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
28 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
29 * sparc/netbsd.h, vax/netbsd.h: Likewise.
31 Sun Feb 15 20:55:23 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
33 * i386.c (notice_update_cc): Use reg_overlap_mentioned_p.
35 Sat Feb 14 15:54:28 1998 H.J. Lu (hjl@gnu.org)
37 * config/alpha/elf.h (LIB_SPEC): New. Defined if
38 USE_GNULIBC_1 is not defined.
40 * config/linux.h (LIB_SPEC): Add -lc for -shared if
41 USE_GNULIBC_1 is not defined.
42 * config/sparc/linux.h: Ditto.
44 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
46 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
47 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
48 (LIB_SPEC): Updated for glibc 2.
50 Sat Nov 29 12:45:51 1997 Mumit Khan <khan@xraylith.wisc.edu>
52 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
53 doesn't work with it yet, so set it to 0.
54 * config/i386/x-cygwin32 (USE_COLLECT2): Delete.
55 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
57 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
59 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
62 Fri Feb 13 00:47:21 1998 Jeffrey A Law (law@cygnus.com)
64 * cccp.c (new_include_prefix): Correctly handle -I./.
66 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
68 * flow.c (find_basic_blocks): Don't create a new basic block
69 for calls in a LIBCALL block.
71 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
73 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
74 determining when a new basic block starts.
76 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
78 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
80 (find_basic_blocks_1): Likewise.
82 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
84 * except.c (get_dynamic_handler_chain): Only make the call once per
87 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
89 * except.c (expand_fixup_region_end): New fn.
90 (expand_fixup_region_start): Likewise.
91 (expand_eh_region_start_tree): Store cleanup into finalization here.
92 * stmt.c (expand_cleanups): Use them to protect fixups.
94 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
96 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
97 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
100 Wed Feb 11 01:39:47 1998 Richard Henderson <rth@cygnus.com>
102 * stor-layout.c (layout_type): Do upper - lower in the native type,
103 so as to properly handle negative indices.
105 Tue Feb 10 00:26:25 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
107 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
109 Mon Feb 9 23:15:14 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
111 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
113 Mon Feb 9 23:08:56 1998 Richard Henderson <rth@cygnus.com>
115 * i386.md (push): Prohibit symbolic constants if flag_pic.
116 (movsi+1): Likewise for move to non-register.
118 Mon Feb 9 23:07:04 1998 John Wehle (john@feith.com)
120 * i386.md: Remove redundant integer push patterns.
121 Don't bother checking for TARGET_PUSH_MEMORY when
122 pushing constants or registers.
124 1998-01-28 Mike Stump <mrs@wrs.com>
126 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
128 * genattrtab.c (reload_completed, optimize): Define.
130 Mon Feb 9 22:16:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
132 * c-decl.c (grokdeclarator): Get parameter tags from
133 last_function_parm_tags.
134 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
135 traversing the parameter types.
136 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
138 Mon Feb 9 22:10:58 1998 Todd Vierling <tv@pobox.com>
140 * fixincludes: Tweak fix for struct exception in math.h
142 Mon Feb 9 01:15:08 1998 Mark Mitchell <mmitchell@usa.net>
144 * integrate.c (get_label_from_map): New function.
145 (expand_inline_function): Use it. Initialize the label_map to
146 NULL_RTX instead of gen_label_rtx.
147 (copy_rtx_and_substitute): Use get_label_from_map.
148 * integrate.h (get_label_from_map): New function.
149 (set_label_from_map): New macro.
150 * unroll.c (unroll_loop): Use them.
151 (copy_loop_body): Ditto.
153 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
154 if all we're doing is dealing with -Wreturn-type.
156 Mon Feb 9 01:07:41 1998 Jeffrey A Law (law@cygnus.com)
158 * i386/x-sco5 (CC): Remove trailing whitespace.
160 Mon Feb 9 01:07:37 1998 J. Kean Johnston <jkj@sco.com>
162 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
165 Mon Feb 9 00:02:53 1998 Jim Wilson <wilson@cygnus.com>
167 * function.c (assign_parms): New variable named_arg, with value
168 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
170 Mon Feb 9 00:01:00 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
172 * stmt.c (pushcase_range): Clean up handling of "infinite" values.
174 * loop.c (strength_reduce): When placing increment for auto-inc
175 case, do comparison in loop order.
177 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
178 Jeffrey A Law (law@cygnus.com)
180 * crtstuff.c (__frame_dummy): New function for irix6.
181 (__do_global_ctors): Call __frame_dummy for irix6.
182 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
184 Wed Dec 24 23:03:42 1997 Jim Wilson (wilson@cygnus.com)
186 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
187 save_restore_insns if no FP and GP will be restored.
189 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
190 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
191 -mlong64, and -mgp{32,64} options.
192 * mips.c (mips_abi): Change type to int.
193 * mips.h (enum mips_abi_type): Delete.
194 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
195 (mips_abi): Change type to int.
197 Mon Dec 22 09:55:01 1997 Jeffrey A Law (law@cygnus.com)
199 * version.c: Bump for beta release of egcs-1.0.1.
201 * haifa-sched.c (create_reg_dead_note): Detect and handle another
202 case where we kill more regs after sched than were killed before
204 * sched.c (create_reg_dead_note): Similarly.
206 Sun Dec 21 21:47:38 1997 Jeffrey A Law (law@cygnus.com)
208 * pa.c (emit_move_sequence): Handle a function label source
211 Sat Dec 20 16:14:50 1997 David Edelsohn <edelsohn@mhpcc.edu>
213 * rs6000.h (FUNCTION_ARG_PADDING): Define.
214 * rs6000.c (function_arg_padding): New function.
216 Sat Dec 20 13:36:06 1997 Paul Eggert <eggert@twinsun.com>
217 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
218 H.J. Lu (hjl@gnu.org)
220 * frame.h (__register_frame, __register_frame_table,
221 __deregister_frame): New.
222 * frame.c (__register_frame, __register_frame_table,
223 __deregister_frame): New.
224 * frame.c (__deregister_frame_info): Return void *.
225 * frame.h (__deregister_frame_info): Ditto.
226 * collect2.c (__deregister_frame_info): Ditto.
228 * frame.h (__register_frame_info_table): Fix typo in declaration.
230 * frame.c (__register_frame_info): Renamed from __register_frame.
231 (__register_frame_info_table, __deregister_frame_info): Similarly.
232 * frame.h (__{,de}register_frame_info): Likewise.
233 (__register_frame_info_table): New declaration.
234 * crtstuff.c (__do_global_dtors{,_aux}): Rename __deregister_frame.
235 (frame_dummy, __do_global_ctors): Likewise for __register_frame.
236 * collect2.c (write_c_file_{stat,glob}): Rename __register_frame
237 to __register_frame_info and similarly for __deregister_frame and
238 __register_frame_table.
240 * collect2.c (write_c_file_glob):
241 Allocate initial frame object in static storage and pass its address.
243 * crtstuff.c (__do_global_ctors): Fix typo in last change.
245 * crtstuff.c (__do_global_ctors): Add missing arg to __register_frame.
247 * collect2.c (write_c_file_stat): Fix error in last change;
248 use __SIZE_TYPE__, not size_t.
250 Alter C startup code so that it doesn't invoke malloc on Solaris.
251 * frame.h (struct object): Decl moved here from frame.c.
252 * frame.c (struct object): Move decl to frame.h.
253 ("frame.h"): Include after <stddef.h>, so that size_t is defined.
254 (__register_frame, __register_frame_table, __deregister_frame):
255 It's now the caller's responsibility to allocate storage for object.
256 * crtstuff.c (frame_dummy), collect2.c (write_c_file_stat):
257 Allocate initial frame object in static storage and pass its address.
258 * crtstuff.c (<stddef.h>, "frame.h"): Include.
259 * Makefile.in ($(T)crtbegin.o, $(T)crtend.o, stamp-crtS):
260 Depend on defaults.h and frame.h.
262 Fri Dec 19 10:02:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
264 * i386.h (INITIAL_ELIMINATION_OFFSET): Correctly test for PIC
267 Fri Dec 19 09:50:30 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
269 * combine.c (simplify_rtx, case ABS): Don't get confused by a
272 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
274 Fri Dec 19 09:39:48 1997 Jeffrey A Law (law@cygnus.com)
276 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
278 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
280 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
283 Wed Dec 3 01:13:45 1997 Jeffrey A Law (law@cygnus.com)
285 * version.c: Update for egcs-1.0 release.
287 Mon Dec 1 15:36:13 1997 Jeffrey A Law (law@cygnus.com)
289 * version.c: Bump for snapshot.
291 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
293 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
294 fix_truncsfdi2): Change *.
296 Sun Nov 30 19:59:20 1997 Jason Merrill <jason@yorick.cygnus.com>
298 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
300 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
302 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
304 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
306 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
308 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Prefer stabs again.
310 * arm.md (movsfcc, movdfcc): Fix "patch" lossage.
312 * configure.in: Fix NCR entries.
314 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
316 * version.c: Bump for snapshot.
318 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
319 nested exceptions correctly.
321 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
322 that was created by loop.
324 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
326 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
328 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
330 Thu Nov 27 09:32:39 1997 Richard Earnshaw (rearnsha@arm.com)
332 * arm.md (movsfcc): If not TARGET_HARD_FLOAT, ensure operand[3]
335 Wed Nov 26 13:04:46 1997 Michael Meissner <meissner@cygnus.com>
337 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
338 (print_operand): Use SMALL_DATA_REG for the register involved in
339 small data relocations.
340 (print_operand_address): Ditto.
342 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
343 -dynamic linker is not used.
345 * rs6000.md (call insns): For local calls, use @local suffix under
346 System V. Don't use @plt under Solaris.
348 * rs6000.c (output_function_profiler): Put label address in r0, and
349 store LR in 4(sp) for System V/eabi.
351 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
352 byte boundary, and maintain stack backchain.
354 (patches originally from Geoffrey Keating)
355 * rs6000.c (function_arg): Excess floating point arguments don't
356 go into GPR registers after exhausting FP registers under the
358 (function_arg_partial_nregs): Ditto.
360 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
363 Wed Nov 26 13:04:46 1997 Jason Merrill <jason@yorick.cygnus.com>
365 * toplev.c (main): Complain about -gdwarfn.
367 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
369 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
372 * libgcc2.c (__throw): Initialize HANDLER.
374 * dwarfout.c (output_type): If finalizing, write out nested types
375 of types we've already written.
377 Tue Nov 25 10:00:42 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
379 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
382 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
384 * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine.
386 * sh/elf.h: (LINK_SPEC): Use shlelf.
387 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine.
389 * sh.h: dwarf patches from Fred Fish.
391 * va-sh.h (__va_arg_sh1): Define.
393 SH3E doesn't use any integer registers for subsequent arguments
394 once a non-float value was passed in the stack.
395 * sh.h (PASS_IN_REG_P): Fix SH3E case.
397 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
399 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
401 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
403 * configure.in (alphaev56*-*-*): Disable MASK_BYTE_OPS until
404 ev56 support works correctly.
406 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
408 Sun Nov 23 13:01:48 1997 Jeffrey A Law (law@cygnus.com)
410 * version.c: Bump for snapshot.
412 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
414 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
415 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
416 gas and not using the new HP assembler.
418 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
420 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
421 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
423 * i386.h (TARGET_CMOV): Disable conditional moves for this release.
425 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
427 * except.h: Add outer_context_label_stack.
428 * except.c: Likewise.
429 (expand_start_all_catch): Push the outer_context for the try block
430 onto outer_context_label_stack.
431 (expand_end_all_catch): Use it and pop it.
433 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
435 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
437 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
439 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
441 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
443 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
444 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
446 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
448 * except.c (output_exception_table): Don't bother with
451 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
453 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
454 is an in/out operand.
455 (zero extended variants of stwm/stwm patterns): Similarly.
457 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
459 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
461 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
463 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
464 (output_call_frame_info): Emit a \n after using it.
466 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
468 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
470 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
472 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
473 (ASM_OUTPUT_DWARF_VALUE4): New macro.
474 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
476 (output_call_frame_info): Do not output forward label differences
477 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
478 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
480 Tue Nov 18 22:50:24 1997 Jim Wilson <wilson@cygnus.com>
482 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
483 large_int, emit two insns instead of one splitable insn.
484 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
485 from cfa_temp_value, use cfa_offset. Abort if cfa_reg is not SP.
487 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
489 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
491 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
493 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
495 (cse_end_of_basic_block): Similarly.
497 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
499 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
500 (SELECT_RTX_SECTION): Define.
501 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
503 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
505 * Makefile.in (compare, compare-lean): Define $stage for each
507 (gnucompare, gnucompare-lean): Likewise.
509 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
511 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
513 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
514 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
516 Fri Nov 14 08:01:25 1997 Jeffrey A Law (law@cygnus.com)
518 * version.c: Bump for snapshot.
520 1997-11-14 Paul Eggert <eggert@twinsun.com>
522 Fix some confusion with IEEE minus zero.
524 * real.h (REAL_VALUES_IDENTICAL): New macro.
526 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
527 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
529 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
530 same tree structure as 0.0.
532 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
533 macro instead of doing it by hand.
535 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
537 * expr.c (expand_builtin_setjmp): Set
538 current_function_has_nonlocal_label.
539 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
540 call-saved registers across calls.
542 * alpha.md (exception_receiver): Remove.
543 (nonlocal_goto_receiver_osf): New
544 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
545 (nonlocal_goto_receiver): New, select _osf or _vms.
547 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
548 keep them from being propogated to the object file.
549 (alpha_write_linkage): Likewise.
550 * alpha.md (call_vms): Likewise.
551 (call_value_vms): Likewise.
552 (unnamed osf call insns): Likewise.
554 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
555 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
557 * alpha.c (call_operand): Any reg is valid for WinNT.
558 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
559 (anon nt calls): Add 'R' alternative.
560 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
561 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
563 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
565 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
566 xplus1 when xplus0 is not a register.
568 Thu Nov 13 11:51:32 1997 David Edelsohn <edelsohn@mhpcc.edu>
570 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
571 swap instruction order.
573 Thu Nov 13 11:47:55 1997 Michael Meissner <meissner@cygnus.com>
575 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
576 pick apart floating point values, instead of using CONST_DOUBLE_LOW
577 and CONST_DOUBLE_HIGH.
579 * rs6000.md (define_splits for DF constants): Use the appropriate
580 REAL_VALUE_* interface to pick apart DF floating point constants in
581 a machine independent fashion.
583 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
585 * flow.c (find_basic_blocks): During marking phase, if we encounter
586 an insn with a REG_LABEL note, make the target block live and
587 create an edge from the insn to the target block. Do not make
588 edges from all blocks to the target block.
590 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
592 * configure.in: Tweak NCR entries.
593 * configure: Rebuilt.
595 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
597 * except.c: Do not include "assert.h".
598 (save_eh_status): Turn asserts into conditional aborts.
599 (restore_eh_status, scan_region): Likewise.
600 * dwarfout.c: Do not include "assert.h".
601 (bit_offset_attribute): Turn asserts into conditional aborts.
602 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
603 (output_inlined_structure_type_die): Likewise.
604 (output_inlined_union_type_die): Likewise
605 (output_tagged_type_instantiation): Likewise.
606 (dwarfout_file_scope_decl): Likewise.
607 * dwarf2out.c: Do not include "assert.h"
608 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
609 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
610 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
611 (add_bit_size_attribute, scope_die_for): Likewise.
612 (output_pending_types_for_scope): Likewise.
613 (get_inlined_enumeration_type_die): Likewise.
614 (get_inlined_structure_type_die): Likewise.
615 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
616 (gen_tagged_type_instantiation_die): Likewise.
618 * flow.c (find_basic_blocks): Refine further to get a more correct
619 cfg, especially in the presense of exception handling, computed
620 gotos, and other non-trivial cases. Call abort if an inaccuracy
621 is detected in the cfg.
623 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
625 * stmt.c (expand_decl_cleanup_no_eh): New fn.
627 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
629 Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
631 * stmt.c (using_eh_for_cleanups_p): New variable.
632 (using_eh_for_cleanups): New function.
633 (expand_decl_cleanup): Don't call expand_eh_region_start_tree
634 unless using EH for cleanups.
636 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
638 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
639 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
641 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
643 * fixinc.svr4 (__STDC__): Add another case.
645 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
647 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
648 addresses in the epilogue delay slot.
650 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
652 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
653 in generated `specs' file.
655 Fri Nov 7 16:23:20 1997 Jim Wilson (wilson@cygnus.com)
657 * flags.h (flag_rerun_loop_opt): Declare.
658 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
659 * toplev.c (flag_rerum_loop_opt): Delete static.
661 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
663 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
666 Wed Nov 5 01:42:12 1997 Jeffrey A Law (law@cygnus.com)
668 * version.c: Bump for snapshot.
670 * alias.c (find_base_value): Only return the known base value for
673 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
675 * fixincludes: Fix "hypot" prototype in NeXT math.h.
677 * Makefile.in (USE_ALLOCA): Always include alloca.o.
678 (USE_HOST_ALLOCA): Likewise.
680 * alias.c (find_base_value): When copying arguments, return the
681 tenative value for a hard register.
683 Tue Nov 4 14:12:30 1997 Richard Henderson (rth@cygnus.com)
684 Jim Wilson (wilson@cygnus.com)
686 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
687 for SUBREG, just fall through.
689 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
691 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
693 * combine.c (try_combine): When setting elim_i1, check if newi2pat
696 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
697 sets i2dest. When calling distribute_notes for i3dest_killed, pass
700 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
702 * configure.in (sco5): Use cpio to install header files.
704 Sun Nov 2 23:30:31 1997 Manfred Hollstein <manfred@s-direktnet.de>
706 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
708 * configure: Rebuild.
710 Sun Nov 2 22:53:16 1997 Richard Earnshaw (rearnsha@arm.com)
712 * arm.c (load_multiple_sequence): Support SUBREG of MEM.
713 (store_multiple_sequence): Likewise.
715 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
717 * i386/sco5.h: enable -gstabs once again.
719 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
721 * arm.c (output_move_double): Allocate 3 entries in otherops array.
723 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
725 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
726 notes for sjlj exceptions too.
727 (expand_eh_region_end): Similarly for EH_REGION_END notes.
728 (exception_optimize): Optimize EH regions for sjlj exceptions too.
729 * final.c (final_scan_insn): Don't output labels for EH REGION
730 notes if doing sjlj exceptions.
732 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
734 * alias.c (init_alias_analysis): Handle -fno-alias-check when
735 optimizing correctly.
737 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
738 or set current_function_calls_setjmp anymore.
740 * flow.c (find_basic_blocks): If we delete the label for an
741 exception handler, remove it from the EH label list and remove
742 the EH_BEGIN/EH_END notes for that EH region.
744 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
746 * flow.c (find_basic_blocks): Generate correct flow control
747 information when exception handling notes are present.
749 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
751 * dwarf2out.c (output_call_frame_info): Fix length argument
753 (output_die, output_pubnames, output_line_info): Likewise.
755 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
757 * version.c: Bump for snapshot.
759 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
760 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
761 flag_debug_asm is on.
762 (output_die, output_pubnames, output_line_info): Likewise.
764 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
765 and static_chain_rtx into the potential base values array if
768 * alias.c (new_reg_base_value): New array of potential base values.
769 (unique_id): Now file scoped static.
770 (find_base_value, case REG): Return the value in reg_base_value
771 array for the REG if it exists. Else, return the value from
772 new_reg_base_value if copying args and REG is a hard register.
773 (find_base_value, case PLUS): If either operand of the PLUS is
774 a REG, try to get its base value. Handle base + index and
776 (record_set): Use new_reg_base_value instead of reg_base_value.
777 (init_alias_analysis): Allocate space for new_reg_base_value too.
778 Rework code to iterate over the insns propagating base value
779 information until nothing changes.
781 * global.c (global_alloc): Free the conflict matrix after
784 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
786 * libgcc2.c (L_eh): Define __eh_pc.
787 Replace __eh_type with generic pointer __eh_info.
789 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
791 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
792 use copy_to_reg if address is not a general_operand.
794 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
796 * profile.c (output_func_start_profiler): Clear flag_inline_functions
797 for the duration of the call to rest_of_compilation.
799 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
801 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
803 (sparc*-*-*): Recognize --with-cpu=v9.
804 * sparc/elf.h: New file.
805 * sparc/t-elf: New file.
807 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
809 * mn10300.c (const_8bit_operand): New function.
810 (mask_ok_for_mem_btst): New funtion.
811 * mn10300.md (btst patterns with mem operands): Use new functions
812 to avoid creating btst instructions with invalid operands.
814 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
816 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
817 are running on PowerPC Linux.
819 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
821 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
822 if not previously defined.
824 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
826 * function.c (assign_parms): Correct mode of stack_parm if
827 entry_parm underwent a mode conversion.
829 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
831 * global.c (global_alloc): Use xmalloc instead of alloca for
832 CONFLICTS, since max_allocno * allocno_row_words alone can be more
833 than 2.5Mb sometimes.
835 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
837 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
838 DEST for the spill, adjust mode of SRC to compensate.
840 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
842 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
843 since any_memory_operand() allows pseudos during reload.
844 (reload_inhi, reload_outqi, reload_outhi): Likewise.
846 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
848 * m68k.md (btst patterns): Add 5200 support.
850 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
852 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
853 optimizations, look inside dividend to determine if the expression
854 can be simplified by using EXACT_DIV_EXPR.
856 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
859 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
861 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
863 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
865 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
867 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
870 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
872 * alpha.md (movqi, movhi): Make sure new insns created during reload
873 won't need reloading themselves.
874 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
876 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
878 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
880 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
882 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
883 Patch from Klaus Kaempf <kkaempf@progis.de>.
885 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
887 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
888 to an element in a constant string.
890 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
892 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
893 bit PC-relative offset. The exception range table pointer is now in
895 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
896 (count_fdes, add_fdes, get_cie): Adjust.
897 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
900 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
902 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
904 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
905 like stack_pointer_rtx.
907 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
909 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
910 targets using "$@" to provide support for similar but not identical
911 targets without having to duplicate code.
912 (bootstrap4): New goal.
914 * Makefile.in (compare, compare-lean, compare3): Combined to one
915 ruleset determining actions to be performed via $@.
916 (compare4, compare4-lean): New targets.
917 (gnucompare, gnucompare3): Combined to one ruleset determining
918 actions to be performed via $@. Also, note which files failed
919 the comparison test in .bad_compare.
920 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
922 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
924 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
925 if the dividend is a multiple of the divisor.
927 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
929 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
931 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
934 * alias.c (true_dependence): Fix typo.
936 * toplev.c (flag_rerun_loop_opt): New variable.
937 (f_options): Handle -frerun-loop-opt.
938 (rest_of_compilation): If -frerun-loop-opt, then run the loop
940 (main): Enable -frerun-loop-opt by default for -O2 or greater.
942 * loop.c (simplify_giv_expr): Adding two invariants results
945 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
947 * expr.c (get_inner_reference): Remove the array bias after
948 converting the index to Pmode.
950 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
952 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
953 (TARGET_MULT_BUG): Define.
954 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
955 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
957 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
959 * mn10200.c (indirect_memory_operand): Delete unused function.
960 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
961 * mn10200.md (bset, bclr insns): Handle output in a reg too.
963 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
965 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
966 the callee's ldgp, we must do it ourselves, and we use the jsr tag
967 for more than scheduling.
969 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
971 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
973 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
975 * mn10300.c (symbolic_operand, legitimize_address): New functions.
976 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
977 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
979 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
981 * version.c: Bump for snapshot.
983 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
985 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
988 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
990 * toplev.c (flag_exceptions): Default value is 2.
991 (compile_file): If flag_exceptions still has the value 2, then
994 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
995 (rs6000_save_machine_status): Save pic_offset_table_rtx.
996 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
998 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1001 * rs6000.md (*movsi_got_internal_mem): New pattern.
1002 (*movsi_got_internal_mem splitter): New define_split.
1004 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1006 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1008 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1010 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1011 only need to save LR.
1013 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1015 * mn10300.md (movqi, movhi): Avoid using address registers as
1016 destinations unless absolutely necessary.
1018 * mn10200.c (expand_prologue): Fix typo.
1020 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1022 * mn10200.md (neghi2): Provide an alternative which works if
1023 the input and output register are the same.
1025 * mn10300.c (print_operand): Handle 'S'.
1026 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1027 shift amount in last alternative
1029 * mn10300.c (expand_epilogue): Rework to handle register restores
1030 in "ret" and "retf" instructions correctly.
1032 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1034 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1035 extzv for memory operands.
1037 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1038 redundant conditional moves to single operand.
1040 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1042 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1045 * xm-v850.h: Use __v850 rather than __v850__ to
1048 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
1050 * mips/mips.c (compute_frame_size): Not a leaf function if
1053 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1055 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
1057 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
1059 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1060 (DEFAULT_ARCH32_P): New macro.
1061 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1062 (enum cmodel): Declare.
1063 (sparc_cmodel_string,sparc_cmodel): Declare.
1064 (SPARC_DEFAULT_CMODEL): Provide default.
1065 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1066 (TARGET_FULLANY): Deleted.
1067 (TARGET_CM_MEDMID): New macro.
1068 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1069 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1070 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1071 (CPP_SPEC): Rewrite.
1072 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1073 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1074 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1075 (ASM_SPEC): Add %(asm_arch).
1076 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1077 Rename asm_default to asm_cpu_default.
1078 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1079 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1080 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1081 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1082 (MASK_INT64,MASK_LONG64): Delete.
1083 (MASK_ARCH64): Renamed to MASK_64BIT.
1084 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1085 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1086 (TARGET_SWITCHES): Always provide 64 bit options.
1087 (ARCH64_SWITCHES): Delete.
1088 (TARGET_OPTIONS): New option -mcmodel=.
1089 (INT_TYPE_SIZE): Always 32.
1090 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1091 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1092 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1093 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1094 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1096 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1097 * sparc/linux.h: Likewise.
1098 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1099 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1100 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1101 (SPARC_DEFAULT_CMODEL): Define.
1102 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1103 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1104 (LONG_DOUBLE_TYPE_SIZE): Define.
1105 (ASM_SPEC): Add %(asm_arch).
1106 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1107 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1108 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1109 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1110 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1111 (SPARC_DEFAULT_CMODEL): Define.
1112 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1113 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1114 MASK_LONG64, MASK_MEDANY.
1115 (SPARC_DEFAULT_CMODEL): Define.
1116 (CPP_PREDEFINES): Delete.
1117 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1118 (ASM_SPEC): Add %(asm_arch).
1119 (LONG_DOUBLE_TYPE_SIZE): Define.
1120 (DWARF2_DEBUGGING_INFO): Define.
1121 * sparc/splet.h (CPP_SPEC): Delete.
1122 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1123 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1124 (BLOCK_PROFILER): Likewise.
1125 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1126 (sparc_override_options): Handle code model selection.
1127 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1128 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1129 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1130 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1131 (sethi_di_fullany): Delete.
1133 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1134 Jeff Law <law@cygnus.com>
1135 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1137 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1138 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1139 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1140 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1141 * alpha/alpha.md (arg_home): Likewise.
1143 * alpha/alpha.c (vmskrunch): Delete
1144 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1145 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1146 truncate to 64 characters.
1148 * make-l2.com: Support openVMS/Alpha.
1150 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1152 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1154 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1156 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1158 * i386/bsd386.h (ASM_COMMENT_START): Define.
1160 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1162 * tree.c (restore_tree_status): Also free up temporary storage
1163 when we finish a toplevel function.
1164 (dump_tree_statistics): Print stats for backend obstacks.
1166 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1168 * expr.c (use_group_regs): Don't call use_reg for MEMs.
1170 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1172 * libgcc2.c (__throw): Don't copy the return address.
1173 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1175 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1176 * toplev.c (main): Initialize exceptions_via_longjmp.
1178 * tree.c: Add extra_inline_obstacks.
1179 (save_tree_status): Use it.
1180 (restore_tree_status): If this is a toplevel inline obstack and we
1181 didn't want to save anything on it, recycle it.
1182 (print_inline_obstack_statistics): New fn.
1183 * function.c (pop_function_context_from): Pass context to
1184 restore_tree_status.
1185 * obstack.h (obstack_empty_p): New macro.
1187 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
1189 * i386/freebsd.h (ASM_COMMENT_START): Fix.
1191 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
1193 * v850.c (ep_memory_offset): New function.
1194 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1196 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1197 (CONSTANT_ADDRESS_P): Add comment.
1198 (EXTRA_CONSTRAINT): Define 'U'.
1199 * v850.md: Add comments on bit field instructions.
1200 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1201 (lshrsi3): Use N not J constraint.
1203 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1205 * v850.c (reg_or_0_operand): Call register_operand.
1206 (reg_or_int5_operand): Likewise.
1207 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1208 (TARGET_SWITCHES): Add "big-switch".
1209 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1210 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1211 (CASE_DROPS_THROUGH): Comment out.
1212 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1213 * v850.md (cmpsi): Delete compare mode.
1214 (casesi): New pattern.
1216 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1217 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1218 (lshrsi3): Likewise.
1220 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1221 unreachable switch statement after 'b' support. Remove "b" from
1222 strings for 'b' support.
1223 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1225 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
1227 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
1228 empty line if @inhibit_libc@ is empty.
1230 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
1232 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
1233 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
1234 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1235 (DWARF2_UNWIND_INFO): Let this track object file format.
1236 (EXTRA_SECTIONS): Add in_eh.
1237 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
1238 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1240 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1242 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1243 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
1245 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
1246 (output_double_int): Output DI mode values correctly when
1247 HOST_BITS_PER_WIDE_INT is 64.
1248 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1249 fmovd so it works if a quad float ends up in one of the upper 32
1251 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
1252 necessary for PIC support on sparc64.
1254 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
1256 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1257 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1258 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1259 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1260 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1261 (SPARC_FP_ARG_FIRST): New macro.
1262 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1263 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1264 (NPARM_REGS): There are 32 fp argument registers now.
1265 (FUNCTION_ARG_REGNO_P): Likewise.
1266 (FIRST_PARM_OFFSET): Update to new v9 abi.
1267 (REG_PARM_STACK_SPACE): Define for arch64.
1268 (enum sparc_arg_class): Delete.
1269 (sparc_arg_count,sparc_n_named_args): Delete.
1270 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1271 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1272 (FUNCTION_ARG_ADVANCE): Rewrite.
1273 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1274 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1275 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1276 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1277 (STRICT_ARGUMENT_NAMING): Define.
1278 (doublemove_string): Declare.
1279 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1280 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1281 (doublemove_string): New function.
1282 (output_move_quad): Clean up some of the arch64 support.
1283 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1284 Don't add 8 bytes of reserved space if arch64.
1285 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1286 (init_cumulative_args): New function.
1287 (function_arg_slotno): New static function.
1288 (function_arg,function_arg_partial_nregs): New functions.
1289 (function_arg_{pass_by_reference,advance}): New functions.
1290 (function_arg_padding): New function.
1291 * ginclude/va-sparc.h: Rewrite v9 support.
1293 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1295 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
1296 for hard regs to determine base and index registers.
1298 * reload.c (debug_reload_to_stream): New function. Specify stream
1299 into which to write debug info.
1300 (debug_reload): Modify to call debug_reload_to_stream with stderr.
1302 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
1304 * combine.c (can_combine_p): Don't combine with an asm whose
1305 output is a hard register.
1307 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1309 * c-decl.c (start_struct): Ensure that structs with forward
1310 declarations are in fact packed when -fpack-struct is given.
1312 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1313 we are packing a structure. This allows a structure with only
1314 bytes to be aligned on a byte boundary and have no padding on a
1317 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1319 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1321 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1323 * alpha.c (alpha_return_addr_rtx): New variable.
1324 (alpha_save_machine_status): New; save it.
1325 (alpha_restore_machine_status): New; restore it.
1326 (alpha_init_expanders): New; clear it.
1327 (alpha_return_addr): New; set it.
1328 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1329 is overly conservative, so search the insns explicitly.
1330 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1331 (alpha_sa_size [VMS && !VMS]): Likewise.
1332 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1333 (INIT_EXPANDERS): New definition.
1335 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1336 (output_prolog [!VMS]): Use them.
1338 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1339 (alpha_does_function_need_gp): ... a new function. Refine the
1340 CALL_INSN test to just TYPE_JSR.
1341 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1343 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1345 * version.c: Bump for snapshot.
1347 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1349 * pa.c (move_operand): Respect -mdisable-indexing.
1350 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1352 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1354 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1356 (umulsidi3,umulsi3_highpart): Ditto.
1357 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1359 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1361 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1362 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1363 function in one go. Emit RTL for trapb, instead of printf directly.
1364 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1365 (trap_pending): Kill global variable.
1366 (output_epilog): Don't call final_prescan_insn.
1367 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1368 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1369 (MACHINE_DEPENENT_REORG): Define.
1370 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1373 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1375 Tune Haifa scheduler for Alpha:
1376 * alpha.h (ISSUE_RATE): Define.
1377 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1378 EV4 adjustments to EV5.
1379 * alpha.md: Remove all scaling from function unit delays. Rework
1380 EV5 function units to match the CPU.
1381 (umuldi3_highpart): EV5 added the IMULH insn class.
1383 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1385 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1388 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1390 * cplus-dem.c (demangle_signature): Don't look for return types on
1391 constructors. Handle member template constructors.
1393 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1395 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1396 * tree.h: Declare them.
1398 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1400 * configure.in: Handle --with-newlib.
1401 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1403 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1405 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1407 * config/ptx4.h: Fix typo.
1409 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1411 * version.c: Bump for snapshot.
1413 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1415 * aclocal.m4: Substitute INSTALL.
1416 * configure: Re-built.
1418 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1420 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1422 (expand_inline_function): Likewise.
1424 * dwarf2out.c (output_call_frame_info): Reinstate last change
1425 using flag_debug_asm check instead of flag_verbose_asm.
1427 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1429 * dwarf2out.c (output_call_frame_info): Remove last change.
1431 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1433 * frame.c (__frame_state_for): Execute the FDE insns until the
1434 current pc value is strictly bigger than the target pc value.
1436 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1438 * regclass.c (init_reg_modes): If we can't find a mode for the
1439 register, use the previous one.
1441 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1443 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1444 don't sprintf through an alloca'ed buffer.
1446 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1448 * reload.c (decompose): Always initialize val.base.
1450 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1452 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1453 instead of aborting.
1454 * dwarf2out.c (output_call_frame_info): Call app_enable and
1455 app_disable to let GNU as accept the generated comments.
1457 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1459 * tree.h (get_file_function_name): Add declaration.
1460 * dwarf2out.c (output_call_frame_info): No need to cast
1461 get_file_function_name call anymore.
1462 * profile.c (toplevel): Remove get_file_function_name
1464 * c-lang.c (finish_file): Ditto.
1466 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1468 * Makefile.in (program_transform_name): Let autoconf substitute
1471 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1473 * haifa-sched.c (schedule_block): If the first real insn in a
1474 block has any special notes attached to it, remove them.
1476 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1478 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1480 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1482 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1484 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1486 * Makefile.in (check-g77): New test target.
1487 (CHECK-TARGETS): Add check-g77.
1489 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1491 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1493 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1495 * flow.c (print_rtl_with_bb): Cast alloca return value for
1498 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1500 * i386.h (RETURN_ADDR_RTX): New definition that works for
1501 __builtin_return_address(0) and -fomit-frame-pointer.
1503 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1505 Bring over from FSF.
1506 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1508 * mips.c (function_arg): Handle passing a struct
1509 containing a double in a DFmode register without the PARALLEL.
1511 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1513 * pexecute.c: Use spawn if __CYGWIN32__.
1515 * pexecute.c: Include "config.h" first, as per autoconf manual
1516 (from Paul Eggert <eggert@twinsun.com>).
1518 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1520 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1521 optimisation for f/expr.o and f/stb.o.
1523 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1525 * cse.c (this_insn_cc0_mode): Initialize.
1527 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1529 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1531 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1533 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1535 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1536 that pair will dual-issue on the 21164 and plus+beq won't.
1537 (bne): Likewise for cmpeq+beq.
1539 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1541 * except.c (find_exception_handler_labels): Correct argument to free.
1543 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1545 * except.c (find_exception_handler_labels): Free LABELS when we're
1548 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1550 * version.c: Bump for snapshot.
1552 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1554 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1557 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1559 * configure.in: Substitute for "install" too.
1560 * configure: Rebuilt.
1562 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1564 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1566 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1568 * alias.c (base_alias_check): Two symbols can conflict if they
1569 are accessed via AND.
1570 (memrefs_conflict_p): Likewise.
1572 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1573 after flushing argument registers to the stack.
1575 * Makefile.in (mostlyclean): Remove .regmove files.
1577 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1579 * libgcc2.c (__throw): Fix thinko.
1581 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1583 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1584 template-function mangling.
1585 (consume_count_with_underscores): New function.
1586 (demangle_signature): Handle new name-mangling scheme.
1588 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1590 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1593 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1595 * frame.c: Remove last change.
1596 * dwarf2.h: Remove last change.
1597 * tree.h: Add declarations of DWARF2 unwind info support
1600 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1602 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1603 * tree.h (built_in_function): Likewise.
1604 * expr.c (expand_builtin): Likewise.
1605 * except.h: Likewise.
1606 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1607 * libgcc2.c (copy_reg): New fn.
1610 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1612 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1613 unsigned if -W is specified and -Wno-sign-compare is not.
1614 * c-decl.c (warn_sign_compare): Initialize to -1.
1615 (c_decode_option): -Wall no longer implies -Wsign-compare.
1617 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1619 * frame.c: Include gansidecl.h for PROTO.
1620 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1621 defined. Don't declare dwarf2out_cfi_label here.
1622 * dwarf2.h: Add declarations of DWARF2 unwind info support
1624 * m68k.c: Include dwarf2.h.
1625 (output_function_prologue): Add dwarf2 support.
1626 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1627 (INCOMING_FRAME_SP_OFFSET): Likewise.
1629 * integrate.c (expand_inline_function): Make sure there is at
1630 least one insn that can be used as an insertion point.
1632 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1634 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1636 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1638 * version.c: Bump for snapshot.
1640 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1642 Bring over from FSF.
1644 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1646 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1647 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1648 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1650 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1652 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1653 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1655 (sparc_align_{loops,jumps,funcs}_string): Declare.
1656 (sparc_align_{loops,jumps,funcs}): Declare.
1657 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1658 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1659 (STACK_BIAS): Define.
1660 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1662 (SPARC_SETHI_P): New macro.
1663 (CONST_OK_FOR_LETTER_P): Use it.
1664 (ASM_OUTPUT_ALIGN_CODE): Define.
1665 (ASM_OUTPUT_LOOP_ALIGN): Define.
1666 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1667 (sparc_align_{loops,jumps,funcs}): New globals.
1668 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1670 (move_operand): Use SPARC_SETHI_P.
1671 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1673 (arith11_double_operand): Likewise.
1674 (arith10_double_operand): Likewise.
1675 (finalize_pic): Finish sparc64 support.
1676 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1677 64 bit constants if able.
1678 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1679 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1681 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1682 (get_pc_sp32): Use for sparc64 as well.
1683 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1684 (sethi_di_sp64_const): Likewise.
1685 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1686 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1687 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1689 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1691 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1692 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1693 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1695 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1697 Add sparc64 linux support.
1698 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1699 to xm_file list on 32-bit sparc-linux.
1700 * sparc/xm-sp64.h: New file.
1701 * sparc/linux64.h: New file.
1702 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1703 Don't include xm-sparc.h.
1704 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1705 * glimits.h (LONG_MAX): Handle sparc64.
1707 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1709 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1710 * sparc.h (ASM_COMMENT_START): Define.
1711 * sparc.c (output_function_prologue): Use it.
1712 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1714 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1716 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1717 use sparc.h's copies.
1718 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1721 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1723 * sparc.c (dwarf2out_cfi_label): Add declaration.
1724 (save_regs, output_function_prologue): Remove cast for it.
1725 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1726 ({save,restore}_regs): No longer inline.
1728 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1730 * fold-const.c (make_range): Correctly handle cases of converting
1731 from unsigned to signed type.
1733 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1735 * fold-const.c (merge_ranges): Make sure that if one range is subset
1736 of another, it will always be the second range. Correct (+,-) case to
1739 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1741 * final.c (final_end_function): Also do dwarf2 thing if
1742 DWARF2_DEBUGGING_INFO.
1743 (final_start_function): Likewise.
1745 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1747 * expmed.c (expand_divmod): If compute_mode is not the same as
1748 mode, handle the case where convert_modes() causes op1 to no
1749 longer be a CONST_INT.
1751 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1752 note holding get_jump_flags() calculation to all JUMP_INSNs.
1753 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1754 * rtl.c (reg_note_name): Add new note types.
1756 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1758 * rtlanal.c (computed_jump_p): Fix typo in last change.
1760 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1762 * loop.c (indirect_jump_in_function_p): Return 0
1765 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1767 * rs6000/xm-rs6000.h: Fix thinko in last change.
1768 * rs6000/xm-sysv4.h: Likewise.
1770 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1772 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1774 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1776 * reg-stack.c (find_blocks): Fix thinko in last change.
1778 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1780 * m68k.c (output_function_prologue): Add dwarf2 support.
1782 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1783 INCOMING_FRAME_SP_OFFSET): New definitions.
1785 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1787 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1788 appropriate in calls to gen_rtx().
1789 * cse.c (cse_main): Likewise.
1790 * emit-rtl.c (gen_label_rtx): Likewise.
1791 * expr.c (init_expr_once): Likewise.
1792 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1793 sched_analyze, init_rgn_data_dependences,
1794 compute_block_backward_dependences): Likewise.
1795 * sched.c (schedule_insns): Likewise.
1796 * varasm.c (immed_double_const): Likewise.
1798 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1799 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1801 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1803 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1804 (MULTILIB_DEFAULTS): Define.
1805 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1806 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1807 (LIBGCC_SPEC): Likewise.
1808 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1809 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1810 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1811 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1812 (EXTRA_PARTS, TAROUTOPTS): Delete.
1813 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1814 (MULTILIB_OPTIONS): Define.
1815 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1816 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1818 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1820 * version.c: Bump for snapshot.
1822 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1824 * loop.c (loop_number): Delete function. Change all references
1825 to use uid_loop_num array.
1826 * loop.h (loop_number): Delete declaration.
1827 * unroll.c (unroll_loop): Change "loop_number" references to
1828 use uid_loop_num instead.
1830 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1832 (loop_unroll_iter): Remove unused variable and all references.
1833 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1834 (insert_bct): Fix minor formatting problems.
1835 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1836 (loop_unroll_iter): Removed unused decl.
1837 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1838 Always record the unrolling factor.
1840 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1841 Similarly for h1u and h1s.
1843 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1844 (find_basic_blocks): Use computed_jump_p to determine if a
1845 particular JUMP_INSN is a computed jump.
1846 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1847 if a particular JUMP_INSN is a computed jump.
1848 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1849 (computed_jump_p): Likewise.
1850 * rtl.h (computed_jump_p): Declare.
1851 * genattrtab.c (pc_rtx): Define and initialize.
1852 * loop.c (loop_optimize): Always determine if the current
1853 function has a computed jump.
1854 (indirect_jump_in_function_p): Use computed_jump_p to determine
1855 if a particular JUMP_INSN is a computed jump.
1857 * loop.c (fix_bct_param): Delete unused function.
1858 (check_bct_param): Likewise.
1860 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1862 * frame.c (__deregister_frame): Check properly for initialized object.
1864 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1866 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1868 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1870 * jump.c (thread_jumps): check can_reverse_comparison_p before
1871 threading a reversed-condition jump.
1873 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1874 * haifa-sched.c (update_flow_info): Likewise.
1876 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1878 * Makefile.in (BOOT_CFLAGS): Use -O2.
1880 * configure.in (strtoul, bsearch): Have autoconf check for these
1882 * configure, config.in: Rebuilt.
1884 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1885 * mips/mips.h (alloca): Likewise.
1886 * rs6000/xm-rs6000.h (alloca): Likewise.
1887 * rs6000/xm-sysv4.h: Likewise.
1889 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1891 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1892 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1893 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1895 * except.c (end_eh_unwinder): Subtract 1 from return address.
1896 * libgcc2.c (__throw): Likewise.
1897 (find_exception_handler): Don't change PC here. Compare end with >.
1899 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1901 * v850.c (compute_register_save_size): Correct register
1903 * v850.md (save_interrupt, return_interrupt): Correct
1905 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1906 (return_interrupt): Use stack pointer, not element pointer.
1908 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1910 * configure.in, configure: Make sure to create the stage* and include
1911 symbolic links in each subdirectory.
1913 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1915 * pa.md (reload_peepholes): Don't allow addresses with side
1916 effects for the memory operand.
1918 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1920 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1921 looking for a handler, to avoid hitting the beginning of the next
1924 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1926 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1928 * mips/abi64.h (LONG_MAX_SPEC): Define.
1929 * mips.h (LONG_MAX_SPEC): Define.
1930 (CPP_SPEC): Include long_max_spec.
1931 (EXTRA_SPECS): Include long_max_spec.
1933 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1935 * v850.c (construct_save_jarl): Fix thinko in last change.
1937 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1939 * version.c: Bump for snapshot.
1941 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1943 * libgcc2.c (find_exception_handler): Not found is -1.
1945 * integrate.c (expand_inline_function): Move expand_start_bindings
1946 after expanding the arguments.
1948 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1950 * expr.c (expand_expr): Remove previous incorrect change.
1951 If target and slot has no DECL_RTL, then call mark_addressable
1952 again for the slot after we give it RTL.
1954 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1956 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1957 again for the slot after we give it RTL.
1959 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1961 * v850.c (register_is_ok_for_epilogue,
1962 pattern_is_ok_for_epilogue, construct_restore_jr,
1963 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1965 * v850.h (pattern_is_ok_for_prologue,
1966 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1969 * v850.md: Replace prologue and epilogue patterns with a
1970 match_parallel pattern.
1972 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1974 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1975 * configure.in: Use EGCS_PROG_INSTALL.
1977 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1979 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1980 extern inline function.
1982 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1984 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1985 (concat_loc_descriptor): New function.
1986 (loc_descriptor): Call it.
1987 (add_AT_location_description): Also elide the descriptor if both
1988 halves of a CONCAT are pseudos.
1989 (add_location_or_const_value_attribute): Recognize CONCAT too.
1991 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1993 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1995 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1996 out-or-range reg_offset.
1997 (output_epilog): Likewise.
1999 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2001 * cse.c (simplify_relational_operation): If MODE specifies a
2002 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2003 is derived from the sign bit of the low word.
2005 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2007 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2009 * dwarf2.h: Add DW_CFA_GNU_args_size.
2010 * frame.c (execute_cfa_insn): Likewise.
2011 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2012 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2013 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2014 insn, hand it off to dwarf2out_stack_adjust.
2015 (dwarf2out_begin_prologue): Initialize args_size.
2016 * frame.h (struct frame_state): Add args_size.
2017 * libgcc2.c (__throw): Use args_size.
2018 * final.c (final_scan_insn): If we push args, hand off all insns
2019 to dwarf2out_frame_debug.
2020 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2022 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2023 Handle epilogue restore of SP from FP.
2024 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2025 lone insn has RTX_FRAME_RELATED_P set.
2027 * frame.c (extract_cie_info): Handle "e" augmentation.
2028 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2029 absence of UNALIGNED_*_ASM_OP.
2030 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2031 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2032 Don't emit augmentation fields length.
2033 (dwarf2out_do_frame): Move outside of #ifdefs.
2034 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2037 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2038 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2039 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2040 * sparc/sun4gas.h: New file.
2041 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2043 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2044 __register_frame_table and __deregister_frame.
2046 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
2048 * except.c (find_exception_handler_labels): Use xmalloc instead of
2049 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2052 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
2054 * Makefile.in: Various changes to build info files
2055 in the object tree rather than the source tree.
2057 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
2059 * fixinc.math: New file to fix math.h on some systems.
2060 * configure.in (freebsd, netbsd): Use fixinc.math on these
2062 * configure: Rebuilt.
2064 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
2066 * regmove.c (regmove_optimize): If we end up moving the
2067 original insn due to lifetime overlaps, make sure to move
2070 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2072 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2074 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2076 * haifa-sched.c (add_branch_dependences): Make each insn in
2077 a SCHED_GROUP_P block explicitly depend on the previous insn.
2079 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2081 * except.h: Prototype dwarf2 hooks.
2084 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2086 * configure.in (native_prefix): Delete.
2087 (mips-dec-netbsd): Don't set prefix.
2088 (*linux*): Don't set prefix.
2090 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2092 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2093 defined. If not defined, include <sys/varargs.h> if
2094 HAVE_SYS_VARARGS_H is defined.
2095 * configure.in: Test for varargs.h and sys/varargs.h.
2096 * configure: Regenerate with autoconf.
2097 * config.in: Regenerate with autoheader.
2099 * cpplib.c (quote_string): Cast first arg of sprintf call
2100 from "unsigned char *" to "char *".
2101 (output_line_command): Ditto.
2102 (macroexpand): Ditto.
2103 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2105 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2107 * version.c: Bump for snapshot.
2109 * Makefile.in (compare): Exit with nonzero status if there
2110 are comparison failures. Note which files failed the
2111 comparison test in .bad_compare.
2113 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2115 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2117 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2119 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2120 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2121 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2122 * configure: Regenerated.
2124 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2126 * loop.c (strength_reduce): Fix typo.
2128 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2130 * m88k/m88k.c (struct option): Rename to struct options.
2131 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2132 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2133 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2134 __DOLPHIN__ or sysV88.
2136 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2138 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2141 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2143 * config.sub: Accept 'amigados' for backward compatability.
2145 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2147 * Makefile.in (testsuite/site.exp): New target.
2148 (check-gcc, check-g++): Depend on testsuite/site.exp.
2149 Don't stop for failure.
2151 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2153 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2154 if DWARF2_UNWIND_INFO.
2156 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2158 Add support for exception handling using DWARF 2 frame unwind info.
2159 Currently works on SPARC and MIPS, and almost on x86.
2161 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2162 next_stack_level, in_reg_window): Helper fns.
2163 (__throw): Implement for DWARF2_UNWIND_INFO.
2165 * expr.c (expand_builtin): Handle builtins used by __throw.
2166 * tree.h (enum built_in_function): Add builtins used by __throw.
2167 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2168 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2169 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2170 (expand_builtin_extract_return_addr): Likewise.
2171 (expand_builtin_frob_return_addr): Likewise.
2172 (expand_builtin_set_return_addr_reg): Likewise.
2173 (expand_builtin_eh_stub): Likewise.
2174 (expand_builtin_set_eh_regs): Likewise.
2175 (eh_regs): Choose two call-clobbered registers for passing back values.
2177 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2178 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2179 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2180 (stmp-multilib): Likewise.
2181 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2183 * except.c: #include "defaults.h".
2184 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2185 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2186 (register_exception_table_p): New fn.
2187 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2188 (end_eh_unwinder): Likewise.
2190 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2191 call __register_frame and __deregister_frame as needed.
2192 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2193 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2194 EH_FRAME_SECTION_ASM_OP.
2195 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2196 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2197 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2199 * dwarf2out.c (output_call_frame_info): If no support for
2200 EXCEPTION_SECTION, mark the start of the frame info with a
2202 * collect2.c (frame_tables): New list.
2203 (is_ctor_dtor): Recognise frame entries.
2204 (scan_prog_file): Likewise.
2205 (main): Pass -fno-exceptions to sub-compile. Also do collection
2206 if there are any frame entries.
2207 (write_c_file_stat): Call __register_frame_table and
2208 __deregister_frame as needed.
2209 (write_c_file_glob): Likewise.
2211 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2212 Also require unaligned reloc support.
2213 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2214 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2215 * sparc/sysv4.h: Not here.
2217 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2218 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2219 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2221 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2222 EH implementations to the top.
2223 (find_exception_handler): Split out. Start from 0. Compare against
2225 (__find_first_exception_table_match): Use it.
2226 * except.c (output_exception_table): Don't do anything if there's
2227 no table. Don't output a first entry of zeroes.
2228 (eh_outer_context): Adjust properly.
2229 (add_eh_table_entry): Use xrealloc.
2230 * toplev.c (compile_file): Just call output_exception_table.
2232 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2234 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2236 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2238 * except.c (eh_outer_context): Do masking using expand_and.
2240 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
2242 Add port done awhile ago for the ARC cpu.
2243 * arc/arc.h: New file.
2244 * arc/arc.c: New file.
2245 * arc/arc.md: New file.
2246 * arc/initfini.c: New file.
2247 * arc/lib1funcs.asm: New file.
2248 * arc/t-arc: New file.
2249 * arc/xm-arc.h: New file.
2250 * ginclude/va-arc.h: New file.
2251 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2252 * ginclude/varargs.h: Likewise.
2253 * Makefile.in (USER_H): Add va-arc.h.
2254 * configure.in (arc-*-elf*): Recognize.
2255 * longlong.h: Add ARC support.
2257 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
2259 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2260 when clearing non-BLKmode data.
2262 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
2264 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
2265 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
2267 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2269 * Makefile.in (risky-stage1): Delete gratutious whitespace.
2271 * Makefile.in (clean): Delete libgcc1-test.
2273 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
2275 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2277 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
2280 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2282 * dwarf2out.c (output_call_frame_info): Call named_section.
2284 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
2286 * haifa-sched.c (print_value): Fix last change.
2288 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2290 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2293 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2295 * mips.c (function_prologue): Set up the CFA when ABI_32.
2297 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2298 for dwarf2 unwind info.
2299 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2301 * final.c (final_end_function): Check dwarf2out_do_frame instead
2302 of DWARF2_DEBUG for dwarf2 unwind info.
2303 (final_scan_insn): Likewise.
2304 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2307 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2310 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2312 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2314 * v850.h (ASM_SPEC): Pass on target processor.
2315 (CPP_PREDEFINES): Only define if not already specified.
2316 (TARGET_VERSION): Only define if not already specified.
2317 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2319 (EXTRA_SWITCHES): Extra entries in the switches array.
2320 (TARGET_DEFAULT): Set default target processor.
2322 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2324 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2325 cases, add %# and %/, and add : to make them into extended asms.
2327 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2329 * alias.c (init_alias_analysis): Clean up incompatible pointer
2330 type warning in bzero.
2331 * regmove.c (regmove_optimize): Ditto.
2332 * haifa-sched.c (find_rgns): Ditto.
2334 * haifa-sched.c (print_value): Clean up ptr->int cast
2337 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2339 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2340 * install.texi (Configurations): Ditto.
2341 * config.sub: Ditto.
2343 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2345 * Makefile.in (sdbout.o): Depend on insn-config.h.
2347 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2349 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2350 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2352 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2354 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2355 prologue insn, only the first elt is significant.
2356 (output_call_frame_info): For exception handling, always use 4-byte
2357 fields as specified by the dwarf2 spec.
2358 Don't skip trivial FDEs.
2360 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2362 * version.c: Bump for snapshot.
2364 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2366 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2367 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2370 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2372 * final.c (shorten_branches): During first pass, assume worst
2373 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2375 * Makefile.in (distclean): Remove various things left around
2376 by running the testsuite.
2378 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2380 * configure.in (out_file): Emit definition to config.status in order
2381 to have a defined value for configure.lang.
2382 * configure: Re-built.
2384 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2386 * configure.in: Make symlink to as-new rather than as.new. Similarly
2388 * configure: Rebuilt.
2390 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2392 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2394 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2396 * sparc/sparc.md: Add ultrasparc scheduling support.
2397 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2399 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2401 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2402 as initial value for real_label_map.
2403 (copy_for_inline): Likewise.
2405 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2407 * sched.c (update_flow_info) When looking if to set found_split_dest
2408 or found_orig_dest, look at all parts of a PARALLEL.
2409 * haifa-sched.c (update_flow_info): Likewise.
2411 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2413 * v850: New directory for v850 port.
2414 * v850/lib1funcs.asm: New file.
2415 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2416 * ginclude/va-v850.h: New file.
2417 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2418 * configure.in (mn10200-*-*): New target.
2419 * configure: Rebuilt.
2420 * config.sub: Handle v850-elf.
2421 * Makefile.in (USER_H): Add va-mn10200.h.
2422 * invoke.texi: Document v850 stuff.
2424 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2426 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2427 has integer TYPE_{MAX,MIN}_VALUE before using them.
2429 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2430 __HPUX_ASM__ versions.
2432 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2434 * install.sh: Delete duplicate install script.
2436 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2438 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2439 computed goto which sets the same stack register.
2441 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2442 destination are both on the regstack.
2443 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2445 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2447 * mips.md (nonlocal_goto_receiver): Define.
2449 * profile.c (output_arc_profiler): Check next_insert_after for non
2450 NULL before deferencing it.
2452 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2454 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2456 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2458 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2460 * toplev.c (rest_of_compilation): For passes starting with
2461 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2463 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2466 * flow.c (print_rtl_with_bb): Print which insns start and end
2467 basic blocks. For the start of a basic block, also print the live
2470 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2472 * toplev.c (main): Change #elif to #else/#ifdef
2474 * tlink.c: Include ctype.h.
2475 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2477 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2479 * bitmap.c: Conditionally include stdlib.h.
2480 (free): Provide a declaration if NEED_DECLARATION_FREE.
2482 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2484 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2486 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2488 * profile.c (output_arc_profiler): Verify next_insert_after is an
2489 INSN before and after skipping a stack pop.
2491 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2493 * final.c (shorten_branches): Don't count the lengths of deleted
2496 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2498 * version.c: Bump for snapshot.
2500 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2502 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2503 two bitmaps ANDed together.
2504 (bitmap_print): Declare.
2506 * bitmap.c (function_obstack): Don't declare any more.
2507 (bitmap_obstack): Obstack for allocating links from.
2508 (bitmap_obstack_init): New static to say whether to initialize
2510 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2511 (bitmap_release_memory): Free all memory allocated from
2514 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2515 EXECUTE_IF_AND_IN_BITMAP.
2517 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2519 * alias.c (true_dependence): Address with AND can alias scalars.
2520 (anti_dependence, output_dependence): Likewise.
2522 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2524 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2526 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2527 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2528 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2529 definitions. Use -qrtems instead of -mrtems.
2531 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2533 * xm-sco5.h (sys_siglist): Define.
2534 (SYS_SIGLIST_DECLARED): Likewise.
2536 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2538 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2540 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2542 * except.c (eh_outer_context): Expand masking operation using
2545 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2547 * alpha.md (floatdisf2-1): New pattern.
2549 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2551 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2552 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2553 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2554 * gcc.texi: Note that if you define sys_siglist that you should
2555 also define SYS_SIGLIST_DECLARED.
2557 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2558 are relative to the next instruction, not the current instruction.
2560 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2562 * local-alloc.c (contains_replace_regs): New function.
2563 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2564 verify that there is no existing REG_EQUIV note, and add a call to
2565 contains_place_regs.
2567 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2569 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2570 (STARTFILE_SPEC): Always use crtbegin.o%s
2571 (ENDFILE_SPEC): Always use crtend.o%s.
2573 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2575 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2577 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2578 SFmode for 64 bit hosts.
2580 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2582 * fixincludes: Permits spaces between # and define. Discard C++
2583 comments in sys/pci.h on HP/UX 10.20.
2585 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2587 * version.c: Bump for snapshot.
2589 * pa.c (restore_unscaled_index_insn_codes): New function.
2590 (record_unscaled_index_insn_codes): Likewise.
2591 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2592 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2593 (pa_reorg): Call record_unscaled_index_insn_codes.
2595 * haifa-sched.c (move_insn): Handle notes correctly for insns
2596 with SCHED_GROUP_P set.
2598 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2600 * alpha/xm-linux.h (USE_BFD): Undef before define.
2602 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2604 * cse.c (cse_insn): Don't record BLKmode values.
2606 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2608 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2610 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2612 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2613 * collect2.c (sys_errlist): Likewise.
2614 * cpplib.c (sys_errlist): Likewise.
2615 * gcc.c (sys_errlist): Likewise.
2616 * protoize (sys_errlist): Likewise.
2617 * configure.in: Check for strerror.
2618 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2619 * xm-gnu.h (HAVE_STRERROR): Likewise.
2620 * xm-linux.h (HAVE_STRERROR): Likewise.
2621 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2622 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2623 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2624 * xm-dos.h (HAVE_STRERROR): Likewise.
2625 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2626 * xm-pa.h (HAVE_STRERROR): Likewise.
2627 * xm-papro.h (HAVE_STRERROR): Likewise.
2628 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2629 * configure, config.in: Rebuilt.
2631 * Makefile.in: Add several missing "else true" clauses.
2633 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2634 * mips-tfile.c: Likewise.
2635 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2636 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2637 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2638 * configure.in: Check for sys_siglist declaration.
2639 * configure, config.in: Rebuilt.
2641 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2643 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2644 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2645 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2646 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2647 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2648 macro EXTRA_SUBTARGET_SWITCHES.
2649 * configure.in (sh*-*-rtems*): New target.
2650 * sh/rtems.h: New file.
2651 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2652 * configure: Rebuilt.
2654 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2656 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2658 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2660 * rs6000.md: Make DF fused-add operations pay attention to
2663 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2665 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2667 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2669 * pa.md (reload_peepholes): Make sure operand is a REG before
2670 examining REGNO. Allow general registers too.
2672 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2674 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2676 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2678 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2679 to reallocate abbrev_die_table.
2681 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2683 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2685 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2687 * Makefile.in (config.status): Depend on version.c
2689 * expr.h (insn_gen_function): Reenable prototype.
2691 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2694 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2696 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2698 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2700 * version.c: Bump for latest snapshot.
2702 * bc-optab.c: Conditionally include stdlib.h.
2703 (free): Provide a declaration if NEED_DECLARATION_FREE.
2704 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2705 * rtl.h (free): Remove declaration.
2706 * tree.h (free): Remvoe declaration.
2708 * configure: Rebuilt.
2710 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2712 * flags.h (flag_move_all_movables): Declare.
2713 (flag_reduce_all_givs): Likewise.
2714 * loop.c (move_movables): Handle flag_move_all_movables.
2715 (strength_reduce): Handle flag_reduce_all_givs.
2716 * toplev.c (flag_move_all_movables): Define.
2717 (flag_reduce_all_givs): Likewise.
2718 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2719 * invoke.texi: Document new options, including alias stuff that
2720 wasn't included last time.
2722 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2724 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2727 * t-vxworks68: Ditto.
2728 * t-vxworks960: Ditto.
2731 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2733 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2734 if not already defined, and USE_C_ALLOCA not defined.
2736 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2738 * config.guess: Replace with script that uses ../config.guess.
2740 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2741 if USE_GNULIBC_1 is not defined.
2743 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2745 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2746 * config.guess: Recognize alpha-linux-gnulibc1.
2747 * configure.in (alpha-*-linux-gnulibc1): New target.
2748 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2750 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2752 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2755 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2757 * loop.c (combine_movables): Earlier insns don't match later ones.
2759 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2761 * config/linux.h (CC1_SPEC): Define it only if not defined.
2763 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2766 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2767 USE_GNULIBC_1 is not defined.
2769 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2771 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2772 as 1 if USE_GNULIBC_1 is not defined.
2774 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2776 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2777 to be something other than a REG.
2778 * function.c (expand_function_end): Fix current_function_return_rtx
2781 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2782 * x-netbsd: Likewise
2783 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2784 (INSTALL_HEADERS): Delete.
2785 * x-dguxbcs: Likewise.
2786 * x-hp3bsd44: Likewise
2789 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2791 * i386.md (pop): pop increments the stack pointer.
2792 (prologue_set_stack_ptr): New pattern.
2793 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2796 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2798 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2799 address where an offsettable address is required.
2801 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2803 * loop.c (check_final_value): Don't miss a biv increment in a
2806 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2808 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2809 TYPE_DECL_IS_STUB instead of DECL_NAME.
2811 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2813 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2815 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2817 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2819 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2821 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2822 (find_post_sched_live): Likewise.
2824 * haifa-sched.c (schedule_block): Remove old code to get arguments
2825 from hard regs into pseudos early.
2827 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2829 * version.c: Bump for new snapshot.
2831 * local-alloc.c (update_equiv_regs): All the target to reject
2832 promotion of some REG_EQUAL to REG_EQUIV notes.
2833 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2835 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2838 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2839 store of the argument registers.
2841 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2843 * fold-const.c (multiple_of_p): New function.
2844 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2846 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2848 * expr.h (insn_gen_function): Temporarily remove prototype.
2850 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2852 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2853 filenames. Use sed to extract base filename for install.
2855 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2857 * unroll.c (find_splittable_givs): Only share if two givs have the
2858 same add and multiply values.
2860 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2862 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2863 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2865 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2867 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2868 around branch tables.
2869 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2870 and .end_brtab directives if TARGET_GAS.
2872 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2874 * alias.c (true_dependence): Pass x_addr not x to varies.
2876 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2877 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2878 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2880 * config.in, configure: Regenerate.
2882 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2884 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2886 (record_set): Handle LO_SUM like PLUS.
2887 (init_alias_analysis): When following chains of base addresses,
2888 do not stop on reaching a hard register.
2890 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2892 * version.c: Bump for new snapshot.
2894 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2896 * alpha.h (ARCH_ASM_FILE_START): Define.
2897 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2898 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2900 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2902 * Makefile.in (install-common): Put gcov comment at start of line.
2904 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2906 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2907 array, simplify entries for hard registers too.
2909 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2911 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2914 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2916 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2917 block_stack before dereferencing it.
2919 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2921 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2923 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2925 * cplus-dem.c: Add 'extern' to prepends_underscore.
2927 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2929 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2930 (get_issue_rate): Delete.
2931 * pa.h (ISSUE_RATE): Define.
2933 * configure.in: Turn on haifa by default for the PA.
2934 * configure: Rebuilt.
2935 * pa.c (override_options): Accept -mschedule=7200 option.
2936 (pa_adjust_cost): No longer need to scale costs for newer
2938 * pa.h (enum processor_type): Add PROCESSOR_7200.
2939 * pa.md: Revamp scheduling parameters to work better with
2940 haifa. Add scheduling parameters for the 7200.
2942 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2944 (schedule_block): When adjusting basic_block_{head,end}, account
2945 for movement of SCHED_GROUP_P insns too.
2947 * haifa-sched.c (debug_dependencies): Fix thinko.
2949 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2950 (site.exp, check, check-g++, check-gcc): New targets.
2952 * haifa-sched.c: Make lots of variables static.
2954 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2956 * expr.h, real.h: Finish prototyping.
2958 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2960 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2961 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2962 * reload1.c: Undo bugfix from Aug 11.
2964 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2966 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2967 quotes around the name.
2968 * configure: Regenerate.
2970 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2972 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2974 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2976 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2977 to sub-makes to avoid building more passes than the user might have
2978 requested on the command line.
2980 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2982 * configure.in: Expurgate `broken_install' (install is
2985 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2988 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2990 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2991 functions and declarations.
2992 (analyze_loop_iterations): Use condjump_p.
2993 (insert_bct): Likewise. Use exact_log2.
2995 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2997 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2998 (schedule_region): Likewise.
2999 (schedule_insns): Likewise.
3001 * PROJECTS: Update with Haifa stuff.
3003 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3005 * version.c: Change the version string to look like:
3006 egcs-2.90.00 970814 (gcc2-970802 experimental).
3008 * loop.c (is_conditional_branch): Make definition match declaration.
3010 * gcc.c: Take out experimental snapshot warning message.
3012 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3014 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3015 print out the names of the notes. Print out the name of the insn
3016 that is not a note, and not an {,CALL_,JUMP_}INSN.
3018 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3020 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3021 again for the slot after we give it RTL.
3023 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3025 * configure.in (haifa configury): Fix typo.
3026 * configure: Regenerate.
3028 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3030 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3032 * gcc.info*: Rebuilt.
3034 * COPYING.g77, README.g77: New files.
3035 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3036 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3037 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3039 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3041 * Integrate Haifa instruction scheduler.
3042 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3043 to sched with $(SCHED_CFLAGS.
3044 * configure.in: Handle --enable-haifa.
3045 * configure: Rebuilt.
3046 * flags.h: Add new flags for haifa instruction scheduler.
3047 * genattrtab.c (expand_units): For haifa, don't subtract one
3048 when computing blockage.
3049 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
3050 (flag_schedule_speculative): Ditto.
3051 (flag_schedule_speculative_load): Ditto.
3052 (flag_schedule_speculative_load_dangerous): Ditto.
3053 (flag_schedule_reverse_before_reload): Ditto.
3054 (flag_schedule_reverse_after_reload): Ditto.
3055 (flag_branch_on_count_reg): Ditto.
3056 (f_options): Add Haifa switches.
3057 (main): Turn off some Haifa options if appropriate macro is
3058 defined. Process Haifa switches.
3059 * unroll.c (iteration_info): No longer static, since Haifa
3061 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
3062 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
3063 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
3064 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
3065 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
3066 storage for the Haifa scheduler.
3067 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
3069 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
3070 are defined, call analyze_loop_iterations and insert_bct to use
3072 (record_giv): Refine test for jumps out of loops if HAIFA is
3074 (analyze_loop_iterations): New function to identify if we can use
3076 (insert_bct): Insert countdown loop.
3077 (instrument_loop_bct): Low level code to insert countdown loop.
3078 (loop_number): Calculate UID of loop.
3079 (indirect_jump_in_function_p): Return true if an indirect jump is
3081 (is_power_of_2): Return true if value is a power of 2.
3082 (is_conditional_branch): Return true if insn is a conditional
3084 (fix_bct_param): Process -fbct-{min,max}-N switches.
3085 (check_bct_param): Return true if loop should be instrumented.
3086 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3087 (loop_optimize): Initialize.
3088 (get_condition_for_loop): Ditto.
3089 * loop.c (strength_reduce): Inside of code that uses #ifdef
3090 HAVE_decrement_and_branch_on_count code, test it to make sure the
3092 (instrument_loop_bct): Ditto.
3093 * haifa-sched.c: New file.
3096 * Integrate regmove pass.
3097 * Makefile.in (OBJS): Add regmove.o
3098 (regmove.o): Add dependencies.
3099 * flow.c (find_use_as_address): No longer static.
3100 * rtl.h (find_use_as_address): Declare.
3101 * toplev.c (regmove_dump, flag_regmove): Define.
3102 (f_options): Add -fregmove.
3103 (regmove_dump_file, regmove_time): Define.
3104 (fatal_insn): Close the regmove dump file.
3105 (compile_file): Initialize regmove_time; open/close the regmove dump
3106 file as needed. Print regmove time as needed.
3107 (rest_of_compilation): Run regmove pass if requested, dump
3108 RTL after regmove if requested.
3109 (main): If -O2 or more, turn on regmove. Handle dump switches.
3110 * regmove.c: New file.
3112 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3114 * Integrate tlink patch from jason@cygnus.com
3115 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3116 (process_command): Increment n_switches for them. Don't discard
3117 their args. Validate them.
3118 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3120 (process_command): Set include_prefixes from COMPILER_PATH.
3121 (main): Set COLLECT_GCC_OPTIONS sooner.
3122 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3123 * tlink.c, hash.c, hash.h: New files.
3124 * Makefile.in (USE_COLLECT2): Always use collect2.
3125 (collect2): Depend on and link in hash.o and tlink.o.
3126 (tlink.o, hash.o): Add dependencies.
3128 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3130 * Integrate alias analysis changes from jfc@mit.edu
3131 * Makefile.in (OBJS): Add alias.o
3132 (alias.o): Add dependencies.
3133 * alias.c: New file.
3134 * sched.c: Remove alias analysis code. It lives in alias.c now.
3135 (sched_analyze_2): Add new arguments to true_dependence.
3136 (schedule_insns): Always call init_alias_analysis.
3137 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3138 mark return value from such functions as a pointer and keep track of
3139 them for alias analysis. If a return value from a function is a
3140 pointer, mark it as such.
3141 * combine.c (distribute_notes): Handle REG_NOALIAS.
3142 * cse.c (struct write_data): Delete. No longer needed.
3143 (invalidate): Don't call set_nonvarying_address_components anymore.
3144 Use true_dependence to decide if an entry should be removed from
3146 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3148 (note_mem_written): Similarly for WRITE_PTR argument.
3149 (invalidate_from_clobbers): Similarly for W argument.
3150 (invalidate_for_call): Remove memory elements from the hash table.
3151 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3152 (cse_rtx_varies_p): New function. Derived from old
3153 cse_rtx_addr_varies_p.
3154 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3155 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3156 pointer if PUSH_ROUNDING is defined. No longer need to call
3157 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3158 (skipped_writes_memory): Remove variable.
3159 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3160 (invalidate_skipped_block): Simplify for new alias analysis code.
3161 (cse_set_around_loop): Likewise.
3162 (cse_main): Call init_alias_analysis.
3163 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3164 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3165 (f_options): Add new alias checking arguments.
3166 (main): Set flag_alias_check when optimizing.
3167 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3169 (memref_referenced_p): Likewise.
3170 * loop.c (NUM_STORES): Increase to 30.
3171 (prescan_loop): Only non-constant calls set unknown_address_altered.
3172 (invariant_p): Add new arguments to true_dependence.
3173 (record_giv): Initialize unrolled and shared fields.
3174 (emit_iv_add_mult): Call record_base_value as needed.
3175 * loop.h (struct induction): Add unrolled and shared fields.
3176 * unroll.c (unroll_loop): Call record_base_value as needed.
3177 (copy_loop_body): Likewise.
3178 (final_biv_value): Likewise.
3179 (final_giv_value): Likewise.
3180 (find_splittable_regs): Likewise. Only create one new pseudo
3181 if we have multiple address GIVs that were combined with the same
3182 dst_reg GIV. Note when a new register is created due to unrolling.
3183 * rtl.c (reg_note_name): Add REG_NOALIAS.
3184 * rtl.h (enum reg_note): Similarly.
3185 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
3186 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
3187 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
3188 (true_dependence, read_dependence, anti_dependence): Likewise.
3189 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
3190 (mark_user_reg, mark_reg_pointer): Likewise.
3193 * Integrate reload bugfix from Wilon which enables the PA port
3195 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
3196 OPERAND_ADDRESS when computing how many registers an insn needs.
3197 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
3199 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
3201 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
3202 in reload_reg_use_in_op_addr do not reach the end.
3203 do not reach the end.
3204 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
3205 RELOAD_FOR_OPERAND_ADDRESS.
3207 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
3209 * egcs project officially starts.